Rotary shafts – gudgeons – housings – and flexible couplings for ro – Flexible coupling between fluid-conducting rotary shafts – Including member deformable by relative movement between shafts
Patent
1982-03-01
1984-03-27
Levy, Stuart S.
Rotary shafts, gudgeons, housings, and flexible couplings for ro
Flexible coupling between fluid-conducting rotary shafts
Including member deformable by relative movement between shafts
175321, 267125, E21B 1700
Patent
active
044391676
ABSTRACT:
A shock absorber assembly adapted to be used with a drill string dampening intermittent shocks and vibrational forces encountered with a drill string, the shock absorber assembly including a mandrel, a tubular body reciprocally mounted with respect to the mandrel, and a dampening device including an annular chamber adapted to be filled with a compressible fluid and a flexible wall with the mandrel adjacent the annular chamber for permitting flexure of the mandrel as needed for dampening.
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Bishop Thomas R.
Chancey Roger D.
Kovar Wayne A.
Peil Archie W.
Bowen Tools, Inc.
Levy Stuart S.
Stodola Daniel P.
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