Invention Grant
- Patent Title: Spotting fluid for differential sticking
- Patent Title (中): 检测流体用于差别粘贴
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Application No.: US10680951Application Date: 2003-10-08
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Publication No.: US06984611B2Publication Date: 2006-01-10
- Inventor: James D. Kercheville , Kenneth W. Pober
- Applicant: James D. Kercheville , Kenneth W. Pober
- Applicant Address: US OK Duncan
- Assignee: Halliburton Energy Services, Inc.
- Current Assignee: Halliburton Energy Services, Inc.
- Current Assignee Address: US OK Duncan
- Agent Craig W. Roddy; Karen B. Tripp
- Main IPC: C09K3/00
- IPC: C09K3/00
Abstract:
A new composition for a spotting fluid and a method of using such spotting fluid for freeing differential stuck pipe in a subterranean well drilling operation is disclosed. The composition comprises an invert water-in-oil emulsion comprising iso-butyl oleate as its external phase and glycerin as the internal phase. In an alterative embodiment, calcium chloride and water may be substituted for glycerin.
Public/Granted literature
- US20040072697A1 Spotting fluid for differential sticking Public/Granted day:2004-04-15
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