Lubricating grease

Details Lubricating grease Lubricating grease

1998-11-02

2000-05-02

Howard, Jacqueline V.

Boring or penetrating the earth

With storage means for bit lubricant carried by bit or shaft

175228, 175371, 175372, 508136, 508144, 508167, 508208, 508539, C10M16900, E21B 1024

Patent

active

06056072&

ABSTRACT:
A heavy-duty lubricating grease is shown which includes a synthetic fluid base and a thickener system. The heavy-duty grease can be used in both rolling element and journal type rock bit bearings to drill in heavy-duty, high temperature applications, such as in the bearing structures of rock bits used to drill hot subterranean formations.

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