Boring or penetrating the earth – With signaling – indicating – testing or measuring
Patent
1997-10-16
2000-04-18
Neuder, William
Boring or penetrating the earth
With signaling, indicating, testing or measuring
175 93, 367 83, 3408538, 73744, E21B 4400, G01V 140
Patent
active
060503491
ABSTRACT:
A hydraulic system for supplying hydraulic fluid for operating a mud pulse generator includes an accumulator that has a reservoir. The accumulator is arranged to maintain the fluid pressure in the reservoir. The system also has a pressure operated, one way inlet valve that is arranged to allow hydraulic fluid to be added, under pressure, to the reservoir. The one way inlet valve also includes a valve core.
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Broussard Joan B.
Rountree Steven P.
Tamporello Angelo J.
Neuder William
Prime Directional Systems, LLC
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