Boring or penetrating the earth – With storage means for bit lubricant carried by bit or shaft – With fluid pressure-actuated feed means
Patent
1987-02-27
1988-12-27
Massie, Jerome W.
Boring or penetrating the earth
With storage means for bit lubricant carried by bit or shaft
With fluid pressure-actuated feed means
175337, 277 23, E21B 1022
Patent
active
047934247
ABSTRACT:
A seal element for oil well tools, such as drilling cutters and roller reamers, which allows the drilling media to permeate into the bearing system of the cutter to cool and lubricate the internal mechanism. The seal element is adapted to control the particle size of contaminants flowing into the bearing system by filtering the drilling media. The bearings act as agitators during operation of the cutter to promote fluid motion through the bearing system. The seal and lubrication system may be utilized as a back-up to the conventional lubrication supply or as supplemental lubrication.
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Drilex Systems, Inc.
Massie Jerome W.
Neuder William P.
Redman Leon E.
Sutherland Malcolm L.
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