PDF- -COUNTY OF CAMERON EMPLOYMENT OPPORTUNITY - Cameron - Installation Procedures

Description

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Section 2 Installation Procedures

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Section 2

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Sequence of Operations for Full Size Wells Description

Procedures for the installation of the bell nipple and 20" nom

Installation of 20" nom

Running and retrieval of 20" nom

BOP test tool

Running and retrieval of 20" nom

Installation of 13

5/8" nom

Installation of 13

5/8" nom

Running and retrieval of 13

5/8" nom

BOP test tool

Running and retrieval of 13

5/8" nom

Installation of 10

Washout of compact housing lower seal areas

Installation and testing of casing hanger seal assembly

Running and retrieval of 13

5/8" nom

BOP test tool

Running and retrieval of 13

5/8" nom

Washout of compact housing upper seal areas

Installation and testing of tubing hanger

Termination of control lines

Installation and testing of xmas tree

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Description (continued)

Removal of xmas tree and retrieval of tubing hanger

Installation of 20" nom

Installation of 13

Installation of 9

5/8" or 10

Installation and testing of 9

5/8" or 10

Final A and B-annuli wellhead configuration and connection pressure testing

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Procedure for the installation of the bell nipple and 20" nom

lower casing head housing Bell nipple,

Customer supply

Equipment One

20" nom

Fastlock hub top x 18

Part no

20" nom

Part no

2125904-01

Crossover,

Part no

2205444-01

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Conductor Base Plate

'I' beam

O/D Conductor pipe 3m O/D Flange

Slotted bolt holes for bell nipple

Fig 1 – I beams and flange arrangement

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Rotary beams Trolley beams 2

Bell Nipple 7

Ground Level 36” O/D x 1” flange rubber seal 1

O/D Conductor

Fig 2 – Bell nipple stack up

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Procedure for the installation of the bell nipple and 20" nom

Install two 5" x 12" x 3m 'I' beams on the cellar as Fig 1 (see page 8)

The conductor pipe will be pre-installed by site construction contractor when constructing the cellar

Pick up 38" O/D x 1" flange with 4 slotted bolt holes and install over conductor pipe until it rests on the 'I' beams

Cut conductor pipe excess

Weld 38" O/D x 1" flange to conductor pipe and tack weld to beams

Install rubber seal on 38" O/D x 1" flange

Nipple up riser bell nipple with pre-welded 36" O/D x 1" flange,

Install 13

Drill for the 18

Nipple down riser bell nipple

If casing becomes stuck and emergency lowermost is required,

Pick up 18

Make up pre-assembled 20

3/4" nom

casing head housing (completed with crossover adaptor 18

lower casing head housing running tool) to 18

Check that the outlet orientation conforms to site requirements

Land casing head on 38" O/D x 1" flange at cellar level

Remove running tool by right hand rotation (approx

1/2 turns)

Lift tool slowly to ensure that the tool has disengaged

Rig up to cement 18

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Installation of 20" nom

drilling adaptor Equipment One

20" nom

Fastlock Connector bottom x 20

Part no

2125907-01

'CF-21' gasket

Part no

RX-74 gasket

Part no

Torque wrench and 1" A/F hex

Service tools

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Installation of 20" nom

Thoroughly clean 'CF-21' gasket prep on bottom of 20-3/4" 3,000 psi drilling riser adaptor and top of lowermost housing

Note: The drilling riser adaptor should already be connected to the rig BOP

Ensure segments of fastlock connector are fully retracted prior to make-up to the lowermost housing

Lightly grease seal preps and gaskets

Install 'CF-21' gasket into 20-3/4" lowermost housing hub and lower BOP with drilling riser adaptor onto connection

Make-up the fastlock connector by tightening each drive screw in sequence and to the correct torque specification

The correct sequence is to tighten opposite screws in pairs to 200 ft

lbf and work around the connector in a right hand or left hand direction

A second application of torque at the correct torque specification should be applied in the same sequence to ensure make-up

The torque for each drive screw is 600 ft

When the fastlock connector is fully made up,

the ends of the drive screws should be flush or just below flush with the end of the bushings

If necessary,

fill the area around the segments with a general purpose grease using the fitting on the body

A vent fitting is located opposite the grease fitting to release any trapped air

Fill the connector with grease until all the air is displaced and grease begins coming out of the vent fitting

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Running and retrieval of 20" nom

BOP test tool Equipment One

20" nom

BOP tester and wear bushing running tool,

NC50 threads top and bottom

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Part no

2125905-01

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Running and retrieval of 20" nom

BOP test tool 1

Make up NC50 handling joint into combination tool with pins facing up (see drawing)

Note: Do not tong on seal areas

Use minimum make up torque as the handling joint will need to be backed out to test the blind rams

Make up with chain tongs

Check 'O' ring for damage and replace as necessary

Lightly grease 'O' ring

Note: Ensure the tiedown screws in the riser adaptor are fully retracted (4

Lower tool through BOP stack and riser and land on lowermost housing shoulder

Note: Compare stick up above rotary table with that calculated to ensure at correct depth

Fill stack full of water and close pipe rams around handling joint

Open the valve in the lowermost housing below the combination tool to monitor any fluid passing

Apply test pressure to BOP down the string with pressure entering BOP through ported test joint to allow testing of lower rams for required hold period

Note: Maximum test pressure is 3,000 psi or equal to the maximum working pressure of the lowest rated item in the stack

Release pressure and retract BOP rams

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Blind Ram Test 8

Back out handling joint from combination tool

Fill stack full of water and close blind rams

Apply test pressure to BOP through kill line for required hold period

Compare volumes pumped with records from previous tests above

Note: Maximum test pressure is 3,000 psi or equal to the maximum working pressure of the lowest rated item in the stack

Release pressure,

ensure no check valve is in the kill line

Retract blind rams

Close the valve in the lowermost housing below the combination tool

Retrieve the combination tool

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Running and retrieval of 20" nom

20" nom

597" min

Part no

2055808-01

20" nom

BOP tester and wear bushing running tool,

NC50 threads top and bottom

Part no

2125905-01

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Running of wear bushing 1

Check that 'O' rings on wear bushing are in good condition

Replace as necessary

Lightly grease 'O' rings

Make up combination tool with pins down onto an NC50 handling joint,

Insert the combination tool into the wear bushing and rotate tool approx

Note: Ensure the tiedown screws in the riser adaptor are fully retracted (4

Lower wear bushing through BOP stack and riser and land off on housing shoulder

Note: Compare stick up above rotary table with that calculated to ensure at correct depth

Lock wear bushing in place by engaging the two tiedown screws into the recess of the wear bushing

To do this,

the glands must be first loosened by turning left hand with a 2-1/4" wrench approx

2 turns

The tiedown screws can then be rotated right hand with a 3/4" wrench until they come into contact with bushing wall (approx 6 turns)

Back off the tiedown screws 45º (1/8th turn) and re-tighten the glands to 250 ft

Rotate running tool left hand approx

Note: To ease rotation,

some or all of the hang-off weight should be taken up by the elevators

Drill for the 13

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Retrieval of wear bushing 8

Make up combination tool onto an NC50 handling joint

Lower combination tool into lowermost housing and land on wear bushing

Slowly rotate tool right hand to locate ‘Breech’ connection until it drops 2

Note: Compare stick up above rotary table with that calculated to ensure at correct depth

Continue rotating tool right hand approx 90º until it is fully engaged

Note: Ensure the tiedown screws in the riser adaptor are fully retracted (4

Retrieve wear bushing and running tool

Pick up slowly to ensure bushing is free

Note: Overpull should not be required

Check tiedown screws if the wear bushing does not come free

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Installation of 13

5/8" nom

5/8" nom

complete with annulus equipment

Part no

2115330-16

Compact housing running tool

Part no

2125909-01

1/2" nom

Part no

Control line outlet flush plug

Installation studs (1/2" UNC x 3" long screwed bar) for hold down ring

Service tool

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Installation of 13

5/8" nom

If casing becomes stuck and the emergency sliplock connector is required,

Ensure the compact housing annulus equipment is removed and fit temporary blanking plugs to all outlets

Ensure that the compact housing is made up onto the housing running tool away from rig floor before it is required,

Thread is 2 TPI left hand stub acme,

approximately 3-1/2 turns anti-clockwise make up

When fully made up tool shoulders out in recess of housing

Make up the pre-assembled 13

5/8" nom

compact housing and running tool onto the last joint of casing

In order to confirm correct landing position of the compact housing,

paint a 1/4" wide band on the tonging neck of the compact housing

This band should be positioned 1

Open valve and drain riser

If orientation of outlets is required,

paint two vertical white lines down the centre of the outlets and one horizontal line through the lower outlets

The compact housing can then be observed through the drain valve

Land compact housing on 45º shoulder inside the lowermost housing

Correct landing of the housing can be viewed through the lowermost housing

The band painted on the tonging neck should appear in the centre of the outlet

Rig up to cement 13

Cement through the landing string taking returns through the 3" LP outlets in the lowermost housing

Flow area of two off outlets = 16in²

Retrieve running tool by rotating right hand approximately 3-1/2 turns and pulling vertically

Lift slowly to ensure the tool has fully disengaged

Nipple down riser

Test between the compact seals through test port in the lowermost housing (see drawing) to 3,000 psi for required hold period

After successful test,

release pressure and re-install fittings (see section 3

Ensure threads on the 20" nom

lowermost housing are free of debris and greased

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Pass the hold down ring over the compact housing and thread into the 20" nom lower housing by turning left hand using the 1/2" installation studs (approx

Install inner and outer 'O'-ring seals onto the hold down ring for debris protection

Remove blanking plugs,

clean out and re-install outlet equipment as required

For the final A and B annuli outlet configuration and connection pressure testing see page 106 to 109

Note: If a pressure test is required on the annulus equipment,

run a VR plug into the outlet and pressure test against it

Alternatively this equipment can be tested when conducting the BOP tests,

Remove the temporary control line plugs and replace them with Control Line Blind Flange part number 2715951-01

The Blind Flange connections will be pressure tested when conducting the BOP tests,

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Installation of 13

5/8" nom

5/8" nom

Fastlock connector bottom x 13

Part no

2205286-01

'CF-13' gasket

Part no

BX-160 gasket

Part no

Torque wrench and 1" A/F hex

Service tool

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Installation of 13

5/8" nom

Thoroughly clean 'CF-13' gasket prep on bottom of 13

Note: The drilling riser adaptor should already be connected to the rig BOP

Ensure segments of fastlock connector are fully retracted prior to make-up to the compact housing

Lightly grease seal preps and gaskets

Install 'CF-13' gasket into compact housing hub and lower BOP with drilling riser adaptor onto connection

Make-up the fastlock connector by tightening each drive screw in sequence and to the correct torque specification

The correct sequence is to tighten opposite screws in pairs to 200 ft

lbf and work around the connector in a right hand or left hand direction

A second application of torque at the correct torque specification should be applied in the same sequence to ensure make-up

The torque for each drive screw is 600 ft

When the fastlock connector is fully made up,

the ends of the drive screws should be flush or just below flush with the end of the bushings

If necessary,

fill the area around the segments with a general purpose grease using the fitting on the body

A vent fitting is located opposite the grease fitting to release any trapped air

Fill the connector with grease until all the air is displaced and grease begins coming out of the vent fitting

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Running and retrieval of 13

5/8" nom

BOP test tool Test Connection (Gate Valves Annulus A & B + drilling Adapter + BOP Rams) Equipment One

BOP tester Part no

with NC50 (4-1/2 IFTJ) box thread top and bottom

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Running & retrieval of BOP test tool

Test Connection (Gate Valves Annulus A & B + drilling Adapter + BOP Rams) Note: The test using this Combination Tool (P/N: 2125910-04) will test ALL OUTLETS

Check ‘O-rings on BOP test tool for damage and replace if necessary

Note: For this operation,

only the lower ‘O’ring is required

Pipe Plug ½” NPT (P/N M103989) should be installed

Make up NC50 handling joint into combination tool with pins facing up (see drawing)

Lightly grease 'O' ring

Note: Ensure the tiedown screws in the riser adaptor are fully retracted (4

Note: Installation of Combination Tool may require the use of two stands of heavy weight drill pipe,

hung from the underside of the Running Tool

Note: Do NOT apply pressure below the BOP Test Tool

Note: The pressure test must be performed by applying pressure through Choke / Kill Lines

Ensure upper side pipe plug is correctly installed

Lower BOP Test Tool into Compact Housing,

through BOP stack and Riser Adapter and land on 45° shoulder in the Compact Housing

Close upper and lower outlets

Note: Compare stick up above rotary table with that calculated to ensure correct landing position of the combination tool

Fill the stack full of water and close the pipe rams around the handling joint

Apply test pressure to the stack and hold for the required period

Monitor open end of drill pipe for any leakage past the test plug

Note: 1) Maximum test pressure equals maximum working pressure of the lowest rated item in the stack

Pressure test to 5000 psi max

Note: 2) Any leakage past the tester seal will be visible back up the drill string

Bleed off pressure,

retract pipe rams and retrieve the combination tool

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Blind Ram Test

Equipment One

5/8" nom

BOP tester and wear bushing running tool,

NC50 threads top and bottom

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Part no

2125910-01

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Blind Ram Test 1

Make up NC50 handling joint into combination tool with pins facing up (see drawing)

Note: Do not tong on seal areas

Use minimum make up torque as the handling joint will need to be backed out to test the blind rams

Make up with chain tongs

Check 'O' rings for damage and replace as necessary

Lightly grease 'O' rings

Note: Ensure the tiedown screws in the riser adaptor are fully retracted (4

Lower tool through BOP stack and riser and land on compact housing shoulder

Note: Compare stick up above rotary table with that calculated to ensure at correct depth

Back out handling joint from combination tool

Close upper outlet valve and open lower outlet valve

Fill stack full of water and close blind rams

Apply test pressure to BOP through kill line for required hold period

Monitor open lower outlet valve for any leakage past the test plug

Note: Maximum test pressure is 5,000 psi or equal to the maximum working pressure of the lowest rated item in the stack

Release pressure,

ensure no check valve is in the kill line

Retract blind rams

Close the lower valves on the compact housing

Retrieve the combination tool

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Running and retrieval of 13

5/8" nom

lower wear bushing Equipment One

5/8" nom

300" min

Part no

2125911-01

5/8" nom

BOP tester and wear bushing running tool,

NC50 threads top and bottom

Part no

2125910-01

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Running of wear bushing 1

Check that 'O' rings on wear bushing are in good condition

Replace as necessary

Lightly grease 'O' rings

Make up combination tool with pins down onto an NC50 handling joint,

Insert the combination tool into the wear bushing and rotate tool approx 90° right hand to fully latch into the wear bushing

Note: Ensure the tiedown screws in the riser adaptor are fully retracted (4

Lower wear bushing through BOP stack and riser into the compact housing and land off on 45° shoulder

Note: Compare stick up above rotary table with that calculated to ensure at correct depth

Lock wear bushing in place by engaging the two tiedown screws into the recess of the wear bushing

To do this,

the glands must be first loosened by turning left hand with a 2-1/4" wrench approx

2 turns

The tiedown screws can then be rotated right hand with a 3/4" wrench until they come into contact with bushing wall (approx 6 turns)

Back off the tiedown screws 45º (1/8th turn) and re-tighten the glands to 250 ft

Rotate running tool left hand approx

Note: To ease rotation,

some or all of the hang-off weight should be taken up by the elevators

Drill out for 10

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Retrieval of wear bushing 8

Make up combination tool onto an NC50 handling joint

Lower combination tool into compact housing and land on wear bushing

Slowly rotate tool right hand to locate ‘Breech’ connection until it drops 2

Note: Compare stick up above rotary table with that calculated to ensure at correct depth

Continue rotating tool right hand approx 90º until it is fully engaged

Note: Ensure the tiedown screws in the riser adaptor are fully retracted (4

Retrieve wear bushing and running tool

Pick up slowly to ensure bushing is free

Note: Overpull should not be required

Check tiedown screws if the wear bushing does not come free

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Installation of 10

Part no

2125537-04

Part no

2125913-01

Crossover adapter,

Part no

2205445-01

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Installation of 10

Run casing to depth

If casing becomes stuck and the emergency equipment is required,

Make up the pre-assembled 10

Ensure casing is hanging central

Run hanger through B

P stack and riser into compact housing and land on 45º shoulder

Care should be taken when lowering hanger through BOP and housing

Hanger should be run slowly to avoid damage to the housing bore

In order to confirm correct landing position for the casing hanger,

paint the running tool with a 1/4" wide band at a height of 2

On installation,

the band can be viewed through the lower outlet valve on the compact housing (see page 44)

Rig up to cement 10

Remove running tool by right hand rotation,

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Washout of compact housing lower seal areas Equipment One

Wash out tool,

NC50 box thread

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Part no

2125914-01

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Washout of compact housing lower seal areas 1

Make-up wash tool onto handling joint and connect to a clean water supply

Open lower outlets in the compact housing

Lower tool through rotary and slowly begin washing at the top of BOP stack,

using a flowrate of approximately 900 litres/min

Washout tool should be slowly rotated to achieve full circumferential washing effect

Note: Ensure the tiedown screws in the riser adaptor are fully retracted (4

Lower wash tool slowly,

continuing to wash housing bore and seal areas of casing hanger

Note: As tool approaches fully landed position on casing hanger,

the volume of water passing through the tool may have to be reduced to reduce back pressure build up

Continue to jet water until water flowing out of the compact housing outlets is clean

Stop water jet and retrieve tool

Note: DO NOT jet water and clean on retrieval of tool back up the stack,

as this may wash any remaining debris that could be lodged in the ram cavities/annular,

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Installation and testing of casing hanger seal assembly Equipment One

5/8" nom

Part no

2205123-01

Seal assembly running tool,

NC50 threads top and bottom

Part no

2095627-01

Installation tool for split lockdown ring

Part no

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Installation and testing of casing hanger seal assembly Note: Ensure the riser is drained prior to running the seal assembly

Inspect seal assembly for damage,

paying particular attention to the 'LS' and 'NS' seals

Replace as necessary

Make up the running tool onto NC50 handling joint

Note: A minimum weight of 10,000 lbf is required to install the seal assembly

This may require the use of heavy weight drill collars hung from the NC50 box thread below the running tool to supplement total hangoff weight

Partially screw seal assembly left hand onto running tool until tool contacts tapered portion of split lockdown ring

Approximately 4 turns are required to contact split lockdown ring,

Adjust bolt on the installation tool to compress the split lockdown ring

As ring is compressed,

screw the seal assembly further onto the running tool

Repeat 4

0 and 5

Approximately 4 further turns are required to fully compress the split lockdown ring

Note number of turns

With the running tool fully engaged on split lockdown ring,

adjust bolt on the installation tool and remove tool

Note: After removal of the installation tool,

split lockdown ring must be flush with or just below the O/D of the seal assembly

If required,

replace installation tool and repeat from 4

Clean seal assembly and lubricate all seals with valve grease

Open lower outlets in the compact housing

Slowly lower seal assembly through BOP stack and riser into housing

An increase in resistance will be felt as the I/D seals engage onto the casing hanger

Compare stick up above rotary table with that calculated to ensure at correct depth

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Installation and testing of casing hanger seal assembly (continued) 12

Mark angular datum on handling joint and back out running tool 4 turns right hand to allow split lockdown ring to expand into its groove in the housing

Initial rotation right hand will locate the four anti-rotation spring loaded pins of the seal assembly into the casing hanger

This will be achieved within 90°

A revised angular datum should then be marked at this point

If confirmation of ring expansion is required,

an overpull of 20,000 lbf can be applied to the running tool at this stage

Ensure lower outlets are open on housing,

do not retrieve running tool at this stage

Pressure testing of seal assembly Note: The split lockdown ring must be expanded into the lockdown groove before pressure testing commences

Failure to do this can result in damage to the seal assembly

Remove autoclave plug and gland from test port 1 (see page 54) in housing

Connect pressure test pump into the test port and apply pressure while bleeding air from the opposite port

Test pressure is to be 5,000 psi max

Lock in for required hold period

After successful test,

and re-install plug and gland (see manual section 3

Fully back out running tool by right hand rotation,

approximately 4 further turns (see 3

Lift slowly to ensure that the tool has fully disengaged

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Installation and testing of casing hanger seal assembly (continued) Retrieval of seal assembly Note: In the unlikely event that a successful pressure test is not obtained on the seal assembly,

it may be necessary to retrieve the seal assembly and investigate the problem

If the running tool is still engaged on the seal assembly down hole,

Make up running tool onto NC50 handling joint

Lubricate threads and inner lip of tool

Slowly lower running tool through BOP and riser into the compact housing landing out on top of the seal assembly

Rotate left hand to engage tool onto seal assembly thread

Continue rotation approximately 8 turns (see 3

0 and 6

The torque required will increase as the running tool approaches 7 turns and the 8th turn should be achieved within 5000 ft

DO NOT exceed 7,000 ft

lbf of make-up torque as the seal assembly latch pins may be sheared

Back off from this point a maximum of 45° (1/8th of a turn) right hand

Retrieve seal assembly by overpull

Note: An overpull of 15,000 lbf should be satisfactory to retrieve the assembly,

DO NOT exceed 25,000 lbf

To remove seal assembly from running tool,

replace the installation tool and adjust bolt to fully compress the ring

Unscrew seal assembly right hand

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Running and retrieval of 13

5/8" nom

BOP test tool Equipment One

5/8" nom

BOP tester and wear bushing running tool,

NC50 threads top and bottom

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Part no

2125910-01

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Running and retrieval of 13

5/8" nom

BOP test tool Running the combination tool at this stage does not allow testing of the compact housing upper annulus outlets

Should this be a requirement while testing the BOP,

then a cup tester is to be used

Make up NC50 handling joint into combination tool with pins facing up (see drawing)

Note: Do not tong on seal areas

Use minimum make up torque as the handling joint will need to be backed out to test the blind rams

Make up with chain tongs

Check 'O' rings for damage and replace as necessary

Lightly grease 'O' rings

Note: Ensure the tiedown screws in the riser adaptor are fully retracted (4

Lower tool through BOP stack and riser and land on seal assembly

Note: Compare stick up above rotary table with that calculated to ensure at correct depth

Note: Do NOT apply pressure below the Test Tool

Note: The pressure test must be performed by applying pressure through Choke / Kill Lines

Ensure upper side pipe plug is correctly installed

Fill stack full of water and close pipe rams around handling joint

Open the upper outlet valves in the compact housing to monitor any fluid passing

Apply test pressure to BOP through kill line for required hold period

Note: Maximum test pressure is 5,000 psi or equal to the maximum working pressure of the lowest rated item in the stack

Release pressure and retract BOP rams

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Blind Ram Test 8

Back out handling joint from combination tool

Apply test pressure to BOP through kill line for required hold period

Monitor open upper outlet valve for any leakage past the test plug

Note: Maximum test pressure is 5,000 psi or equal to the maximum working pressure of the lowest rated item in the stack

Release pressure,

ensure no check valve is in the kill line

Retract blind rams

Close the upper valves in the compact housing

Retrieve the combination tool

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Running and retrieval of 13

5/8" nom

upper wear bushing Equipment One

5/8" nom

845" min

Part no

2125916-01

5/8" nom

BOP Tester and wear bushing running tool,

NC50 threads top and bottom

Part no

2125910-01

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Running of wear bushing 1

Check that 'O' rings on wear bushing are in good condition

Replace as necessary

Lightly grease 'O' rings

Make up combination tool with pins down onto an NC50 handling joint,

Insert the combination tool into the wear bushing and rotate tool approx 90° right hand to fully latch into the wear bushing

Note: Ensure the tiedown screws in the riser adaptor are fully retracted (4

Lower wear bushing through B

stack and riser into the compact housing and land off on the seal assembly

Note: Compare stick up above rotary table with that calculated to ensure at correct depth

Lock wear bushing in place by engaging the two tiedown screws into the recess of the wear bushing

To do this,

the glands must be first loosened by turning left hand with a 2-1/4" wrench approx

2 turns

The tiedown screws can then be rotated right hand with a 3/4" wrench until they come into contact with bushing wall (approx 6 turns)

Back off the tiedown screws 45º (1/8th turn) and re-tighten the glands to 250 ft

Rotate running tool left hand approx

Note: To ease rotation,

some or all of the hang-off weight should be taken up by the elevators

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Retrieval of wear bushing (continued) 7

Make up combination tool onto an NC50 handling joint

Lower combination tool into compact housing and land on wear bushing

Slowly rotate tool right hand to locate ‘Breech’ connection until it drops 2

Note: Compare stick up above rotary table with that calculated to ensure at correct depth

Continue rotating tool right hand approx 90º until it is fully engaged

Note: Ensure the tiedown screws in the riser adaptor are fully retracted (4

Retrieve wear bushing and running tool

Pick up slowly to ensure bushing is free

Note: Overpull should not be required

Check tiedown screws if the wear bushing does not come free

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Washout of compact housing upper seal areas Equipment One

Wash out tool,

NC50 box thread

Page 69 of 110 Rev

Part no

2125914-01

SD-018239-01

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Washout of compact housing upper seal areas 1

Make-up wash tool onto handling joint and connect to a clean water supply

Open upper outlets in the compact housing

Lower tool through rotary and begin washing at the top of BOP stack,

using a flowrate of approximately 900 litres/min

Washout tool should be slowly rotated to achieve full circumferential effect

Note: Ensure the tiedown screws in the riser adaptor are fully retracted (4

Lower wash out tool slowly,

continuing to wash housing bore until wash out tool lands on top face of seal assembly

Note: As tool approaches fully landed position on seal assembly,

the volume of water passing through the tool may have to be reduced to reduce back pressure build up

Continue to jet water until water flowing out of the outlets is clean

Stop water jet and retrieve tool

Note: DO NOT jet water and clean on retrieval of tool back up the stack,

as this may wash any remaining debris that could have lodged in the ram cavities/annular back down hole

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Installation and testing of tubing hanger Equipment One

5/8" nom

7" Vam Top

Part no

2205088-05

Tubing hanger running tool,

Part no

Installation tool for split lockdown ring

Part no

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Installation and testing of tubing hanger 1

Inspect the running threads on both the hanger and the running tool and lubricate

Inspect tubing hanger seals for damage,

Apply a light coat of valve grease to seals

Check 'O' ring on the running tool is in good condition

Replace as necessary

Note: The tubing hanger is supplied with a protector sleeve for the 'SRL' seal preparation

This should remain in place until installation of the tree assembly

Attach the snap ring lock to the snap ring but do not collapse it until the hanger is ready to be run at the rig floor

Note: In order to confirm the correct landing position for the tubing hanger,

paint a band on the 45° chamfer (see drawing)

On installation,

the painted band can be reviewed through the upper outlet valve or flange

Once the hanger is landed off,

the painted band should be central in the upper annulus outlet

Make up the running tool onto the handling joint (if not already made up)

Tong only on the running tool neck

Run the tubing string complete with control line per completion program

Make up hanger onto the last joint of tubing

Cut and bevel the control line at a height of approx

strip back encapsulation and check for any scarring of stripped lines

Slide the 1/4" NPT fitting over the control line (thread towards the top)

Insert continuous control line through the port in the tubing hanger

Make up the compression fittings on top and bottom of the tubing hanger

Pressure test the gallery around the control line through the test port on the O/D of the tubing hanger to a maximum of 5,000 psi

Collapse the snap ring using the snap ring lock mechanism

Lift the running tool above the tubing hanger and insert the control line through the hole provided in the running tool

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Installation and testing of tubing hanger (continued) Note: The pins in the running tool sleeve will ensure the control lines through the hanger are aligned with the through hole in the sleeve

Re-attach the spooled control line to the control line exiting the tool with a coupling,

ensuring that the coupling will fit through the hole in the running tool

Pick up the running tool and carefully lower it onto the tubing hanger assembly

Make up the running tool to the tubing hanger by rotating the tool right hand with respect to the tubing hanger

Be sure to keep the outer sleeve of the running tool from rotating by sliding the pins in the outer barrel into their respective slots in the hanger

Also be sure to properly capture the snap ring with the running tool

Approximately 10-1/2 turns are required,

Remove the snap ring lock and ensure that the snap ring is below flush with the body of the tubing hanger

If it is not then the running tool must be further engaged onto the hanger by additional right hand rotation

Pressure test control lines as required

Just prior to landing,

drain BOP stack and ensure tubing is central in rotary table

Lower hanger and running tool through BOP stack and riser into the compact housing and land on top of seal assembly

Note: Compare stick up above rotary table with that calculated to ensure correct depth

Look through upper outlet valve in the compact housing and confirm painted band is in the correct position

Close valve

Slowly rotate the running tool left hand to disengage the snap ring from the running tool and engage it into the compact housing

After 4 turns the snap ring should be checked for engagement into the housing by an overpull of 20,000 lbf above string weight

Note 1:

If visual confirmation of the correct snap ring engagement is required,

remove the blanking plug and view through the viewing port provided

Note 2:

Visual confirmation of the correct overpull test can be achieved by viewing through the upper 'A' annulus

The hanger should lift a maximum of 0

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Test between the tubing hanger seals through test port 2 (see drawing) in the compact housing to 5000 psi for required hold period

After successful test,

release pressure and re-install fittings (see section 3

Proceed with wireline work as necessary

Refer to running procedure RP-002398 for installation of two way check valve (see section 3

Torque to 400 ft

lbf and test to 5000 psi per completion procedure

Disengage running tool from tubing hanger by left hand rotation,

after approximately 10-1/2 turns,

0 and 18

Begin to slowly lift the running tool out of the housing ensuring the tool has fully disengaged

After approx

Release pressure in control lines and cut either just below or above the running tool at rig floor level

Remove running tool from landing string

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Termination of control lines Note: Terminate control line as follows: 1

Nipple down the BOP stack from the 13-5/8" compact housing

Lift the riser adaptor and stack clear and remove the CF-13 gasket

Remove the control line blind flange where applicable

Wrap control line around the hanger neck and feed through the control line exit port in the compact housing

Clean and lightly oil gasket preps in the needle valve and control line exit flange on compact housing

Install fitting nut,

Cut control line to length,

use a tube cutter not a hacksaw

Ensure sufficient line is available to work with and that excess can be pushed back into the compact housing

Make-up compression fitting (ferrule and nut) into control line needle valve

Install control line needle valve,

secure with cap screws pushing excess tubing back into compact housing

Connect control line for SSSV to port in control line as required

Note: To ease installation of the needle valve block,

use two 1/2" UNC threaded stud bolts approx

before installing the needle valve onto the wellhead

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Installation and testing of xmas tree Equipment One

Xmas tree,

Part no

2115330-04

Part no

'CF-13' gasket

Part no

Part no

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Installation and testing of xmas tree 1

Remove the BOP stack from the compact housing by backing out drive screws in the fastlock drilling adaptor left hand until they bottom out

Lift the BOP and riser clear and remove the 'CF-13' gasket

Install studs into the compact housing 50 to 100 ft

After installation of studs,

Note: Do not over torque

Thoroughly clean seal preps in top of the compact housing and in the bottom of the xmas tree

Fit new 'CF-13' gasket into the compact housing

Prise out protector sleeve from seal prep in the hanger neck

Ensure prep for 'SRL' seal in hanger neck is clean and free from defects

Apply a light coat of oil only and install seal

Prior to installing seal,

drift through the seal with spare BPV

Note: The 'SRL' seal is an interference fit in the bore of the tubing hanger (and xmas tree) and requires a certain load to fully install it

The seal can be carefully installed in the tubing hanger using the 'SRL' seal installation tool

Alternatively,

use a block of wood and a sharp rap with a hammer

The seal will be fully installed during installation of xmas tree

Ensure prep for 'SRL' seal in xmas tree is clean and free from defects

Check 'NS' seal is in good condition

Replace as necessary

Remove autoclave fittings from test port and vent port (see drawing) in the xmas tree

Ensure all gates and swab cap vent port in the vertical bore of the xmas tree are open to prevent trapped pressure when landing tree

Lift tree and orientate to suit site requirements

Ensure tree is as near vertical as possible

It is recommended at this stage to fill the compact housing annulus with test fluid

This will aid the connection pressure test

Note: Ensure correct lifting eyes are used to lower tree onto the compact housing

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Note: It is recommended at this stage to fill the annulus in the top of the housing with light oil (pressure test fluid)

This will assist the connection pressure test later

Installation and testing of xmas tree 12

Slowly lower tree onto housing taking extra care as the tree slides over the projecting hanger neck

Install the 24 nuts onto studs to make up Flangelock connection

Tighten in stages in an opposite and alternate pattern to evenly make up connection

Final torque to be within range of 750 ft

Connection pressure test 14

Apply pressure through test port 3 (see drawing) to 5,000 psi and lock in for required hold period

Note: Ensure the vent port is open to monitor any leakage past the 'NS' seal

After successful test,

release pressure and install fittings (see section 3

'SRL' hanger neck seal test 16

The 'SRL' hanger neck seal is a uni-directional metal to metal seal

It cannot be tested via an external test port

Note: Under no circumstances apply a pressure test through the vent port

The test is performed by pressurising the flow bore of the tree against the two way check valve set in the tubing hanger

Pressure to 5,000 psi and lock in for required hold period

Monitor for leakage through the vent port (see drawing)

After successful test,

release pressure and install fittings (see section 3

Test each valve on xmas tree

Install and pressure test lubricator and retrieve the two way check valve (see section 3

Page 85 of 110 Rev

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Removal of xmas tree and retrieval of tubing hanger 1

Install two way check valve and pressure test

Disconnect flowline from tree and remove flangelock nuts

Lift tree as vertical as possible

Clean the top of the tubing hanger in readiness for the tubing hanger running tool

Disconnect control line exit and remove control line needle valve from compact wellhead outlet

Plug the control line in the wellhead outlet

Cut off the control line 1/2" above the tubing hanger fitting

Clean the top of the tubing hanger in readiness for the tubing hanger running tool

Install and pressure test the BOP against the blind ram only

Function test BOP

Note: The BOP should have been pressure tested on the test stump so only a pressure test of the connection to the wellhead is necessary

Recover two way check valve

Note: Recover other plugs,

as required by the workover programme

Remove 4 off pins from the tubing hanger running tool outer sleeve

Lower the tool on the landing string down onto the tubing hanger

When landed,

turn the landing string right hand to make up the tubing hanger running tool to the tubing hanger

Slowly retrieve the tubing hanger with a straight vertical lift

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Installation of 20" nom

emergency lowermost housing Equipment One

Part no

2289213-01

20" nom

Part no

2125904-01

Crossover,

Part no

2205444-01

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Installation of 20" nom

In the event that the 18

centralise the casing and cement per completion programme

Cut and dress the 18

50" +/- 0

25" (190

Make up the emergency lowermost housing running tool to landing string

Prepare 20" nom

emergency lowermost housing for running by backing off 8 sliplock activating screws

Ensure that the slips are in their uppermost position and lock in by tightening the slip retaining screws hand tight only

Make up running tool to housing by left hand rotation 200 ft

Lower housing over the casing stub

Prior to landing on conductor pipe / plate,

loosen the slip retaining screws

Confirm that outlet orientation conforms to site requirements

Energise 'P' seals,

Test between the two 'P' seals through test port in the emergency lowermost housing (see drawing) to 80% of casing collapse pressure

After successful test,

release pressure and re-install fittings (see section 3

Run in the eight slip activating screws and torque up evenly in sequence to 100 to 200 ft

to engage the slip segments onto the casing

Note: It is important to successfully test the 'P' seals prior to setting the slips

In the event that the seals fail a pressure test and require replacing,

it may be necessary to remove the housing

It will be impossible to pull the housing after setting the slips

To ensure that the slip segments have gripped the casing,

perform an overpull test to approx

30,000 lbf

Remove running tool by right hand rotation approximately 4

Thoroughly flush out and clean housing bore and install outlet equipment

Continue with operations,

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Installation of 13

5/8" nom

complete with annulus equipment

Part no

2115330-16

Compact housing running tool

Part no

2125909-01

Emergency sliplock connector,

3/8" slips

Part no

2055120-05

1/2" nom

Part no

Control line outlet flush plug

Part no

Installation studs (1/2" UNC x 3" long screwed bar) for hold down ring

(Service tool)

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Installation of 13

In the event that the 13

ensure that there are no casing collars or centralisers within the lowermost housing

Centralise the casing and cement per completion programme

Using a rig internal casing cutter,

To determine the position,

measure from the top of the compact hub to the bottom face of the sliplock connector

Take 21

There is a +/- 2

00" (50

Nipple down 20

Dress and chamfer top of 13

Measure diameter of the 13

Casing diameter 13

308 / 13

375” 13

375 / 13

442” 13

442 / 13

02 / 339

72mm] [339

72 / 341

43mm] [341

43 / 343

'T' seal part no

Assemble the selected seals and retainer wires into the sliplock connector

Check 'O'-ring on compact housing running tool is in good condition

Replace as necessary

Ensure the compact housing annulus equipment is removed and four off plugs part no

Make up compact housing running tool to landing joint

Make up running tool into compact housing left hand to 200 ft

Make up 13

Check 'O'-rings on the compact housing are in good condition

Replace as necessary

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Installation of 13

Loosen but do not remove the 4 off transportation socket head screws locking the slips in place

Ensure that the screws are below the O/D of the connector

Confirm that the slips are held in the uppermost position

Run compact housing and sliplock connector over casing stub and into lowermost housing

Ensure outlets conform to site requirement

Test between the compact seals through test port in the lowermost housing (see drawing) to 3,000 psi for required hold period

After successful test,

release pressure and re-install fittings (see Section 3

Retrieve running tool by rotating right hand approximately 4 turns (see 9

Lift slowly to ensure the tool has fully dis-engaged

Ensure threads on the 20" nom

lowermost housing are free of debris and greased

Pass the hold down ring over the compact housing and thread into the 20" nom

lower housing by turning left hand using the 1/2" installation studs (approx

3 turns)

Install inner and outer 'O'-rings seals onto the hold down ring for debris protection

Remove blanking plugs,

clean out and re-install outlet equipment as required

For the final A and B annuli outlet configuration and connection pressure testing see page 106 to 109

Install 13

5/8" nom

drilling adaptor with BOP and riser,