A Water Base Mud for Shale Gas Horizontal Well

CHANG Dewu; CAI Jihua; YUE Ye; YANG Xianyu

doi:10.3969/j.issn.1001-5620.2015.02.012

Volume 32 Issue 2

Mar. 2015

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CHANG Dewu, CAI Jihua, YUE Ye, YANG Xianyu. A Water Base Mud for Shale Gas Horizontal Well[J]. DRILLING FLUID & COMPLETION FLUID, 2015, 32(2): 47-51. doi: 10.3969/j.issn.1001-5620.2015.02.012

Citation:

CHANG Dewu, CAI Jihua, YUE Ye, YANG Xianyu. A Water Base Mud for Shale Gas Horizontal Well[J]. DRILLING FLUID & COMPLETION FLUID, 2015, 32(2): 47-51. doi: 10.3969/j.issn.1001-5620.2015.02.012

CHANG Dewu, CAI Jihua, YUE Ye, YANG Xianyu. A Water Base Mud for Shale Gas Horizontal Well[J]. DRILLING FLUID & COMPLETION FLUID, 2015, 32(2): 47-51. doi: 10.3969/j.issn.1001-5620.2015.02.012

Citation:

CHANG Dewu, CAI Jihua, YUE Ye, YANG Xianyu. A Water Base Mud for Shale Gas Horizontal Well[J]. DRILLING FLUID & COMPLETION FLUID, 2015, 32(2): 47-51. doi: 10.3969/j.issn.1001-5620.2015.02.012

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A Water Base Mud for Shale Gas Horizontal Well

doi: 10.3969/j.issn.1001-5620.2015.02.012

College of Engineering, China University of Geosciences(Wuhan), No. 388 Lumo Lu, Hongshan District, Wuhan, Hubei 430074, China

Received Date: 2015-01-10
Publish Date: 2015-03-31

Abstract

Abstract

Shale gas well drilling imposes strict limits to the performance of drilling fluid used because of the shale formation and technical features. A water base drilling fluid formulated with nano material was recently developed in an effort to replace oil base drilling fluid commonly used in shale gas drilling. In this drilling fluid, the nano particles plug the pore throats of shale formation, and the sulfonated asphalt is used to stabilize shale formation. In laboratory study, this drilling fluid showed better shale inhibitive capacity than poly glycol drilling fluids. The friction coefficient of the drilling fluid was 0.21, and that of the filter cake 0.0497. At 120℃, this drilling fluid still retained its good property. Low surface tension of this drilling fluid mitigated reservoir damage. This drilling fluid can also be used in shale drilling.
- Shale,
- Horizontal well,
- Water base drilling fluid,
- Nano material,
- Inhibitive capacity

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References(25)

References

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A Water Base Mud for Shale Gas Horizontal Well

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