Title:
IMPROVED SUBTERRANEAN TREATMENT FLUIDS AND METHODS OF TREATING SUBTERRANEAN FORMATIONS
Document Type and Number:
WIPO Patent Application WO2005028587
Kind Code:
A3
Abstract:
The present invention relates to bridging agents for use in subterranean formations, to well drill-in and servicing fluids comprising such bridging agents, and to methods of using such bridging agents and well drill-in and servicing fluids in subterranean drilling operations. An example of a well drill-in and servicing fluid of the present invention comprises a viscosified fluid, a fluid loss control additive, and a bridging agent comprising a degradable material.
Inventors:
TODD BRADLEY L (US)
MUNOZ TRINIDAD JR (US)
WAIN CHRISTOPHER PAUL (GB)
MUNOZ TRINIDAD JR (US)
WAIN CHRISTOPHER PAUL (GB)
Application Number:
PCT/GB2004/003831
Publication Date:
July 28, 2005
Filing Date:
September 08, 2004
Export Citation:
Assignee:
HALLIBURTON ENERGY SERV INC (US)
TODD BRADLEY L (US)
MUNOZ TRINIDAD JR (US)
WAIN CHRISTOPHER PAUL (GB)
TODD BRADLEY L (US)
MUNOZ TRINIDAD JR (US)
WAIN CHRISTOPHER PAUL (GB)
International Classes:
C09K8/03; C09K8/06; C09K8/504; C09K8/508; C09K8/52; (IPC1-7): C09K7/00; C09K7/02; E21B33/138; E21B37/06
Domestic Patent References:
| WO2004037946A1 | 2004-05-06 |
Foreign References:
| US20020036088A1 | 2002-03-28 | |||
| US6131661A | 2000-10-17 | |||
| US6143698A | 2000-11-07 |
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