Positioning of well pipe jack in a rig

Details Positioning of well pipe jack in a rig Positioning of well pipe jack in a rig

E - Fixed Constructions

21

B

166/61

E21B 7/20 (2006.01) E21B 15/00 (2006.01) E21B 19/00 (2006.01) E21B 19/07 (2006.01)

Patent

CA 1195241

Abstract A well pipe jacking mechanism includes two generally vertical structures beneath a rig floor which function as power operated actuating units and which are offset circularly about the well axis from a tubular mousehole element, and with a blow- out preventer beneath the rig floor projecting away from the well axis at a location circularly between one of the generally verti- cal structures and the mousehole.

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