Invention Grant
- Patent Title: Fracturing with multiple fluids to improve fracture conductivity
- Patent Title (中): 用多种流体压裂以提高断裂导电性
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Application No.: US474913Application Date: 1990-02-05
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Publication No.: US5036919APublication Date: 1991-08-06
- Inventor: Ronnie L. Thomas , Curtis L. Boney
- Applicant: Ronnie L. Thomas , Curtis L. Boney
- Applicant Address: OK Tulsa
- Assignee: Dowell Schlumberger Incorporated
- Current Assignee: Dowell Schlumberger Incorporated
- Current Assignee Address: OK Tulsa
- Main IPC: C09K8/68
- IPC: C09K8/68 ; E21B43/26
Abstract:
Conductivity damage is decreased in fracturing a high temperature (greater than 200.degree. F.) well by employing a first fracturing fluid which is substantially stable at the bottom hole static temperature and pumping a second fracturing fluid behind the first fracturing fluid which is less stable at bottom hole static temperature than the first-pumped fracturing fluid.
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