RECIRCULATION AND COMPRESSION OF DRILLING FLUID OF HIGH TEMPERATURE AND HIGH PRESSURE BIT TESTING APPARATUS

Title:

RECIRCULATION AND COMPRESSION OF DRILLING FLUID OF HIGH TEMPERATURE AND HIGH PRESSURE BIT TESTING APPARATUS

Document Type and Number:

Japanese Patent JPS59118985

Kind Code:

A

Inventors:

MISAWA SHIGEO
KARASAWA HIROKAZU
MORITA KOUJI
HAYAMIZU HIROHIDE

Application Number:

JP22568682A

Publication Date:

July 09, 1984

Filing Date:

December 22, 1982

Export Citation:

Assignee:

KOGYO GIJUTSUIN

International Classes:

E21B21/08; E21B21/00; F03G4/00; F03G7/04; (IPC1-7): E21B21/00; F03G7/04

Attorney, Agent or Firm:

Director, Institute for Resources and Environmental Technology, AIST

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