Invention Grant
US08127859B2 Use of swellable material in an annular seal element to prevent leakage in a subterranean well
有权
在环形密封元件中使用可溶胀材料以防止地下井中的泄漏
- Patent Title: Use of swellable material in an annular seal element to prevent leakage in a subterranean well
- Patent Title (中): 在环形密封元件中使用可溶胀材料以防止地下井中的泄漏
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Application No.: US12909193Application Date: 2010-10-21
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Publication No.: US08127859B2Publication Date: 2012-03-06
- Inventor: David B. Allison , Timothy Bozeman , Michael MacDonald , Alf K. Sevre , Earl Webb
- Applicant: David B. Allison , Timothy Bozeman , Michael MacDonald , Alf K. Sevre , Earl Webb
- Applicant Address: US TX Houston
- Assignee: Halliburton Energy Services, Inc.
- Current Assignee: Halliburton Energy Services, Inc.
- Current Assignee Address: US TX Houston
- Agent Marlin R. Smith
- Main IPC: E21B33/14
- IPC: E21B33/14
Abstract:
A method of sealing an annulus formed between a casing string and a surface in a well may include: positioning a seal element in the annulus with a swellable material of the seal element positioned between the casing string and the surface; and flowing cement through a channel formed between the swellable material and the casing string. A method of sealing in a well may include the steps of: positioning an annular seal element in the well, wherein the element may include a swellable material; and flowing cement into at least one channel formed longitudinally through the seal element. A method of sealing an annulus between two casing strings may include: providing multiple arcuate segments that may include a swellable material; and installing the segments in the annulus, wherein each of the segments may occupy a respective circumferential portion of the annulus.
Public/Granted literature
- US20110030954A1 USE OF SWELLABLE MATERIAL IN AN ANNULAR SEAL ELEMENT TO PREVENT LEAKAGE IN A SUBTERRANEAN WELL Public/Granted day:2011-02-10
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