Invention Grant
- Patent Title: Method of acid fracturing a sandstone formation
- Patent Title (中): 酸性压裂砂岩形成的方法
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Application No.: US12115603Application Date: 2008-05-06
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Publication No.: US07704927B2Publication Date: 2010-04-27
- Inventor: Qi Qu , Xiaolan Wang
- Applicant: Qi Qu , Xiaolan Wang
- Applicant Address: US TX Houston
- Assignee: BJ Services Company
- Current Assignee: BJ Services Company
- Current Assignee Address: US TX Houston
- Agency: Howrey LLP
- Main IPC: C09K8/26
- IPC: C09K8/26 ; C09K8/72 ; E21B43/28
Abstract:
Methods and compositions useful in acidizing a subterranean formation with an oil-in-water emulsion that includes a sulfonate ester, a fluoride salt, a proppant, and water. The reaction of the ester and fluoride salt is delayed so that hydrofluoric acid is produced in-situ.
Public/Granted literature
- US20090281005A1 METHOD OF ACID FRACTURING A SANDSTONE FORMATION Public/Granted day:2009-11-12
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