Zero-surface-charge-controlled drilling for enhanced penetration and extended bit life / by John E. Pahlman ... [et al.] (Report of investigations ; 9227)

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

(Report of investigations ; 9227)

Call No. (NDL): YCA-I 28.23:9227
Bibliographic ID of National Diet Library: 000006587190

Material type: 図書

Author: Pahlman, J. E. (John E.)ほか

Publisher: -

Publication date: 1989

Material Format: Microform

Capacity, size, etc.: microfiche ; 11 × 15 cm

NDC: -

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Notes on use

Note (General)：: Distributed to depository libraries in microfichePhysical description for original version: 18 p. : 28 cm

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Material Type: 図書
Title: Zero-surface-charge-controlled drilling for enhanced penetration and extended bit life / by John E. Pahlman ... [et al.]
Series Title: Report of investigations ; 9227
Title Heading: Report of investigations (United States. Bureau of Mines) ; 9227
Author Heading: Pahlman, J. E. (John E.)
United States. Bureau of Mines
Publication Date (W3CDTF): 1989
Extent: microfiche
Size: 11 × 15 cm
Alternative Title: Zero surface charge controlled drilling for enhanced penetration and extended bit life
Place of Publication (Country Code): US
Text Language Code: eng
Note (Material Type): [microform]
Subject Heading: Drilling muds -- Testing
Rock-drills
Directional drilling
Note (General): Distributed to depository libraries in microfiche
Physical description for original version: 18 p. : 28 cm
Note (Bibliography): Includes bibliographical references (p. 18)
Note (Original Version): 原資料の出版事項: Pittsburgh, PA : U.S. Dept. of the Interior, Bureau of Mines, 1989
SUPTDOC番号: I 28.23: 9227
GPO管理番号: 0637-A (MF)
Holding library: 国立国会図書館
Call No.: YCA-I 28.23:9227
Data Provider (Database): 国立国会図書館 : 国立国会図書館蔵書
https://ndlsearch.ndl.go.jp
Bibliographic ID (NDL): 000006587190
http://id.ndl.go.jp/bib/000006587190
OCLC No.: 17650564
https://www.worldcat.org/oclc/17650564
Bibliographic Record Category (NDL): 281