Tree Jack Copyright by B&B Oilfield Services, Inc. 2009.

Tree JackTree Jack

Copyright by B&B Oilfield Services, Inc. 2009

Safely separates & removes wellhead & tree Safely separates & removes wellhead & tree components during P&A or major maintenance components during P&A or major maintenance operations.operations.

Tree Jack ApplicationTree Jack Application


Saves time and $$$ by separating and removing Saves time and $$$ by separating and removing wellhead components without the use of work wellhead components without the use of work over rig.over rig.

Reduces rig up time.Reduces rig up time. Reduces shock load on cranes while attempting Reduces shock load on cranes while attempting

to separate tree from wellhead.to separate tree from wellhead. Safe System – Minimizes exposure of personnel to Safe System – Minimizes exposure of personnel to

typical hazards associated with removing typical hazards associated with removing wellhead components.wellhead components.

Verifies that tubing hanger is free & tubing has Verifies that tubing hanger is free & tubing has been properly cut.been properly cut.

Why use the Tree JackWhy use the Tree Jack


Type H & National back pressure valve profiles Type H & National back pressure valve profiles are required.are required.

An extended neck hanger is required for adapter An extended neck hanger is required for adapter flange removal.flange removal.

RequirementsRequirements


Hydraulic forces pushing against back pressure valve Hydraulic forces pushing against back pressure valve

threads separating wellhead flanges or tree valves with threads separating wellhead flanges or tree valves with

forces up to 160,000 lbs.forces up to 160,000 lbs.

Separation can take place at any vertical run flange of Separation can take place at any vertical run flange of

the tree assembly.the tree assembly.

Separation is not limited at the tubing spool and the Separation is not limited at the tubing spool and the

tubing head adapter.tubing head adapter.

Tree Jack assembly is installed onto the threads of the Tree Jack assembly is installed onto the threads of the

tree cap.tree cap.

How it worksHow it works


Determine Tree Jack pusher rod length by measuring Determine Tree Jack pusher rod length by measuring

from back pressure valve threads to approximately two from back pressure valve threads to approximately two

thirds to three quarters of Tree Jack window.thirds to three quarters of Tree Jack window.

Install push rod into back pressure valve threads.Install push rod into back pressure valve threads.

Install Tree Jack over push rod and secure to tree cap Install Tree Jack over push rod and secure to tree cap

threads.threads.

Apply pressure to the upper hydraulic connection Apply pressure to the upper hydraulic connection

generating up to 160,000 lbs. of separation force.generating up to 160,000 lbs. of separation force.

Once tree is separated, dismantle Tree Jack and Once tree is separated, dismantle Tree Jack and

remove tree from well.remove tree from well.

How it worksHow it works


Tree separationTree separationHow it worksHow it works


To verify that hanger is free, install blocks & reverse To verify that hanger is free, install blocks & reverse

hydraulic forceshydraulic forces

How it worksHow it worksHangar separation & tubing cut verificationHangar separation & tubing cut verification


Tree Jack Copyright by B&B Oilfield Services, Inc. 2009.

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Transcript of Tree Jack Copyright by B&B Oilfield Services, Inc. 2009.