Method of running a pipe string having an outer diameter...

Details Method of running a pipe string having an outer diameter... Method of running a pipe string having an outer diameter...

2011-05-20

2011-11-22

Thompson, Kenneth L (Department: 3676)

Wells

Above ground apparatus

With means facilitating connecting or disconnecting...

C166S077530, C175S423000

Reexamination Certificate

active

08061418

ABSTRACT:
One embodiment provides an adjustable guide10ato steer the end90of a pipe string88into position to be engaged and supported by a pipe gripping apparatus such as, for example, an externally gripping elevator assembly10. The adjustable guide10amay comprise a plurality of angularly distributed guide inserts30, each having a sloped surface30A to engage a pipe end90. Another embodiment provides an adjustable guide60ato steer a pipe connection into position to pass through a spider60. The guide inserts30, 80of an adjustable guide may be controllably positionable to together form a guide that is concentric with the bore of the tapered bowl of an elevator assembly or a spider. One embodiment comprises a guide insert retainer11having a plurality of channels28, each slidably receiving a guide insert30and positionable by rotation of a threaded shaft40.

REFERENCES:
patent: 3571865 (1971-03-01), Johnson
patent: 4715456 (1987-12-01), Poe et al.
patent: 6394201 (2002-05-01), Feigel et al.
patent: 7775270 (2010-08-01), Sipos
patent: 7832470 (2010-11-01), Anthony
patent: 7980298 (2011-07-01), Halse

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