Tubing expansion

Details Tubing expansion Tubing expansion

2005-12-20

2005-12-20

Gay, Jennifer H (Department: 3672)

Wells

Processes

Repairing object in well

C166S055100, C166S207000, C166S212000, C166S384000

Reexamination Certificate

active

06976536

ABSTRACT:
A method of expanding tubing comprises locating an expansion tool in a section of tubing to be expanded, applying a fluid pressure to the tubing to create a fluid pressure expansion force and induce a hoop stress in the tubing, and applying a mechanical expansion force to the tubing via the expansion tool. The combined fluid pressure expansion force and mechanical expansion force is selected to be sufficient to induce expansion of the tubing.

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