Coiled Tbg Cmpln

COILED TUBING COMPLETION SPOOLABLE™ INSTALLATION SEQUENCE

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SPOOLABLE Completion – Surface Equipment • Surface equipment rig-up comprises coiled tubing and pressure control equipment generally used for conventional coiled tubing service operations

Injector head

Lubricator

Coiled tubing BOP Gate valve Coiled tubing hanger Casing hanger

Fig. 1. Surface equipment rig-up.

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SPOOLABLE Completion – Well Preparation • Set bottom-hole seal assembly in existing tubing nipple • Flapper valve (closed) provides a pressure barrier – opens when locator seal is stung-in • Back-pressure valve installed in tubing hanger • Nipple down tree

Coiled tubing hanger Casing hanger

Sub-surface safety valve (closed)

Nipple in production tubing Seal bore Flapper valve (closed) Production packer

Fig. 2. Well preparation.

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SPOOLABLE Completion – BHA Preparation • Locator seal assembly (LSA) made-up to coiled tubing with an external connector • Pump-through pump-off check valve installed on LSA • LSA is long enough to allow required tubing movement

Coiled tubing hanger Casing hanger

Coiled tubing inside production tubing

Sub-surface safety valve (open) Locator/external connector Locator seal assembly with pump-out plug

Lock with PBR Flapper valve (closed)

Fig. 3. BHA preparation.

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SPOOLABLE Completion – Testing Components • Run required length of coiled tubing until the first GLM and valve are about to leave the spool • Make up a test pump and gauge to the valve port and test the valve opening pressure • Repeat as required by completion design

Testing GLV

Fig. 4. Testing a gas lift valve.

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SPOOLABLE Completion – Spacing Out • With locator engaged in the seal assembly the flapper valve will be held open • Find neutral point and test downhole seals • Prepare to set coiled tubing hanger

Valve Coiled tubing hanger Casing hanger

SPOOLABLE safety valve

Sub-surface safety valve (open)

SPOOLABLE gas lift valve SPOOLABLE gas lift valve

Locator in place Flapper valve (open)

Fig. 5. Sting-in space out.

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SPOOLABLE Completion – Setting the CT Hanger • Tighten the coiled tubing hanger slips and pack-off to the set position • Function and pressure test the hanger

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• Cut the coiled tubing and control line and rig down the coiled tubing equipment

Control line hanger

Slip actuators

Pack-off

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Side-port

Production tubing hanger

Fig. 6. Setting the coiled tubing hanger.

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SPOOLABLE Completion – Control Line Hanger • Control line cut above CT • Control line is fed through the hanger and hanger is placed on the CT • Hanger housing is placed over the hanger and made-up to the coiled tubing hanger • Top of assembly is plugged and tested

Plug profile Control line port Control line shear ram

Guides

Coiled tubing

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Fig. 7. Setting the control line hanger.

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SPOOLABLE Completion – Completion Configuration • With the test plug in place rig down the CT equipment and nipple up the tree • Retrieve the test plug with slick-line and prepare to turn well to production

Valve Control line hanger Coiled tubing hanger Casing hanger

SPOOLABLE safety valve

Sub-surface safety valve (open)

SPOOLABLE gas lift valve SPOOLABLE gas lift valve

Locator in place Flapper valve (open)

Fig. 8. Completion in place.

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