Invention Grant
- Patent Title: Lost circulation material for oilfield use
- Patent Title (中): 油田使用失水循环材料
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Application No.: US13081663Application Date: 2011-04-07
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Publication No.: US08404622B2Publication Date: 2013-03-26
- Inventor: Jaleh Ghassemzadeh
- Applicant: Jaleh Ghassemzadeh
- Applicant Address: US TX Sugar Land
- Assignee: Schlumberger Technology Corporation
- Current Assignee: Schlumberger Technology Corporation
- Current Assignee Address: US TX Sugar Land
- Agent Matthias Abrell
- Main IPC: C09K8/22
- IPC: C09K8/22 ; C09K8/74 ; E21B33/13
Abstract:
A composition for reducing lost circulation in a well, while drilling the well with a drilling mud, which is composed of a base fluid, a mixture of particles, and a blend of fibers. The composition is used by stopping drilling with the mud, injecting a spacer, injecting the water-based composition, injecting a spacer, and resuming drilling with the oil-based mud.
Public/Granted literature
- US20110183874A1 LOST CIRCULATION MATERIAL FOR OILFIELD USE Public/Granted day:2011-07-28
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