Research Catalog

Title

Zero-surface-charge-controlled drilling for enhanced penetration and extended bit life / by John E. Pahlman ... [et al.].

Publication

Pittsburgh, PA : U.S. Dept. of the Interior, Bureau of Mines, 1989.

Details

Additional Authors

• Pahlman, J. E. (John E.)
• United States. Bureau of Mines.

Description

18 p. : ill.; 28 cm.

Series Statement

Report of investigations ; 9227

Uniform Title

Report of investigations (United States. Bureau of Mines) ; 9227.

Alternative Title

Zero surface charge controlled drilling for enhanced penetration and extended bit life.

Subject

• Drilling muds > Testing
• Rock-drills
• Directional drilling

Note

• Distributed to depository libraries in microfiche.

Bibliography (note)

• Includes bibliographical references (p. 18).

Call Number

READEX Microfiche I 28.23:9227

LCCN

88600073 //r93

OCLC

marcive17650564

Title

Zero-surface-charge-controlled drilling for enhanced penetration and extended bit life / by John E. Pahlman ... [et al.].

Imprint

Pittsburgh, PA : U.S. Dept. of the Interior, Bureau of Mines, 1989.

Series

Report of investigations ; 9227

Report of investigations (United States. Bureau of Mines) ; 9227.

Bibliography

Includes bibliographical references (p. 18).

Added Author

Pahlman, J. E. (John E.)

United States. Bureau of Mines.

Gpo Item No.

0637-A (MF)

Sudoc No.

I 28.23:9227

Research Call Number

READEX Microfiche I 28.23:9227