Holding wrench for drill strings

Details Holding wrench for drill strings Holding wrench for drill strings

E - Fixed Constructions

21

B

255/14.2, 255/14

E21B 19/16 (2006.01) E21B 19/20 (2006.01)

Patent

CA 1052369

HOLDING WRENCH FOR DRILL STRINGS Abstract of the Disclosure Apparatus for holding and supporting a string of con- nected drill pipe sections which are suspended in a bore hole and for assisting in separating one drill pipe section from the string when the string is being disassembled.

251934

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