Title:
DRILLING FLUIDS WITH IMPROVED SHALE INHIBITION AND METHODS OF USE IN SUBTERRANEAN FORMATIONS
Document Type and Number:
WIPO Patent Application WO2004090067
Kind Code:
A3
Abstract:
The present invention provides improved drilling fluids that comprise improved shale inhibiting components, and methods for using these drilling fluids in connection with drilling in a subterranean formation. The drilling fluids comprise water and an improved shale inhibiting component. Optionally, other additives may be added to the drilling fluids of the present invention, including, inter alia, antifoams, biocides, bridging agents, corrosion control agents, dispersants, flocculants, fluid loss additives, foamers, H2S scavengers, lubricants, oxygen scavengers, salts, scale inhibitors, viscosifiers, and weighting agents.
Inventors:
YOUNGSON ARTHUR (GB)
TEMPLE COLIN (GB)
TEMPLE COLIN (GB)
Application Number:
PCT/GB2004/001563
Publication Date:
February 24, 2005
Filing Date:
April 08, 2004
Export Citation:
Assignee:
HALLIBURTON ENERGY SERV INC (US)
YOUNGSON ARTHUR (GB)
TEMPLE COLIN (GB)
WAIN C P (GB)
YOUNGSON ARTHUR (GB)
TEMPLE COLIN (GB)
WAIN C P (GB)
International Classes:
C02F5/12; C09K8/12; C09K8/18; C09K8/508; E21B33/138; C02F1/38; C02F1/52; C09K; (IPC1-7): C09K7/02; E21B33/138
Domestic Patent References:
| WO1996004348A1 | 1996-02-15 | |||
| WO1996003474A1 | 1996-02-08 |
Foreign References:
| GB2267921A | 1993-12-22 | |||
| US4792412A | 1988-12-20 | |||
| EP0668339A1 | 1995-08-23 |
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