Swellable polymeric materials

Details Swellable polymeric materials Swellable polymeric materials

2006-12-13

2010-02-23

Bates, Zakiya W. (Department: 3676)

Wells

Processes

Placing or shifting well part

C166S118000, C166S135000, C166S192000, C166S386000

Reexamination Certificate

active

07665538

ABSTRACT:
A seal comprising a polymeric material having a first swelling phase having a first swelling characteristic and a second swelling phase having a second swelling characteristic, the first swelling characteristic is greater than the second swelling characteristic is utilized to seal an upper portion from a lower portion of a wellbore. A wellbore seal tool is further described comprising a swellable layer, a supporting assembly disposed adjacent the swellable layer, and an inflatable bladder.

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