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...

2011-08-23

2011-08-23

Thompson, Kenneth (Department: 3676)

Wells

Above ground apparatus

With means facilitating connecting or disconnecting...

C166S077530, C166S075140, C175S423000, C294S102200

Reexamination Certificate

active

08002027

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.

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