CONNECTION OF CASING AND DRILL PIPES Russian patent published in 2000 - IPC

Abstract RU 2149976 C1

FIELD: equipment for drilling of prospecting and producing wells. SUBSTANCE: pipe connection has two jaw half-couplings made on pipe ends. Course is welded to end of one pipe. Pipe and course have slots for installation of connecting members in the form of parallelepiped with head and lateral hole for installation of fastener. Fastener is made in the form of wedge and has longitudinal slot and projections on its end. The connection needs no mutual turning of pipes for their connection and disconnection, excludes falling out of lock members and reduced labor input in adding of pipes. EFFECT: higher efficiency. 2 dwg

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RU 2 149 976 C1

Authors

Pestov V.A.

Egorov N.G.

Krasnovskij F.Z.

Poletaeva V.I.

Dates

2000-05-27—Published

1996-01-04—Filed