Shock absorber for tubular storage or drill stands on a drilling

Details Shock absorber for tubular storage or drill stands on a drilling Shock absorber for tubular storage or drill stands on a drilling

1975-05-22

1976-06-29

Marbert, James B.

Supports: racks

Special article

Article includes elongated portion

267 34, 267136, A47F 700

Patent

active

039660540

ABSTRACT:
Means are described for absorbing energy when a drill string has been lowered into a tube for storage. The apparatus comprises a piston, orifice, fluid and spring in combination with a storage tube capable of holding a string of drill pipe.

REFERENCES:
patent: 690676 (1902-01-01), Tait
patent: 3339747 (1967-09-01), Sherman
patent: 3889934 (1975-07-01), Kamman

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