System and method to seal using a swellable material

Details System and method to seal using a swellable material System and method to seal using a swellable material

2005-03-10

2010-02-23

Bomar, Shane (Department: 3676)

Wells

Processes

Placing or shifting well part

C166S187000, C166S191000, C166S285000

Reexamination Certificate

active

07665537

ABSTRACT:
The invention is a sealing system, such as a packer, that is used in a wellbore to seal against an exterior surface, such as a casing or open wellbore. The sealing system includes a swellable material that swells from an unexpanded state to an expanded state thereby creating a seal when the swellable material comes into contact with a triggering fluid.

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Al-Anazi, Hamoud A., Sharma, Mukul M.; Evaluation of a pH-Sensitive Polymer for Gravel-Packing Operations; SPE Production and Operations Symposium; Oklahoma City, OK; Mar. 24-27, 2001; SPE 67292; Society of Petroleum Engineers Inc., Richmond, TX.
Al-Anazi, Hamoud A., Sharma, Mukul M.; Use of a pH-Sensitive Polymer for Conformance Control; SPE International Symposium and Exhibition on Formation Damage Control; Lafayette, LA; Feb. 20-21, 2002; SPE 73782; Society of Petroleum Engineers Inc., Richmond, TX.
Al-Anazi, Hamoud A., Sharma, Mukul M.; Evaluation of a pH-Sensitive Polymer for Gravel-Packing Operations; Revised manuscript (of SPE 67292); SPE 76813 revised Jan. 2, 2002; Society of Petroleum Engineers Inc., Richmond, TX.

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