Multi-stage well drilling mast assembly

Details Multi-stage well drilling mast assembly Multi-stage well drilling mast assembly

E - Fixed Constructions

21

B

255/17, 255/14.6

E21B 15/00 (2006.01) E02B 17/00 (2006.01) E21B 15/02 (2006.01) E21B 19/14 (2006.01) E21B 19/15 (2006.01)

Patent

CA 1062239

ABSTRACT A multi-stage, well-drilling mast assembly, particularly adapted to mobile drilling platforms, such as drilling vessels, the assembly having a main stage mast and an auxiliary mast, both pivoted to the platform for swinging movements between horizontal and vertical positions, The main stage carries well pipe hoisting equipment, and the auxiliary stage carries rack equipment for vertically storing well pipe, and racker equipment for moving the well pipe between the rack and the center line of the mast assembly. Slings operated by the hoisting equipment swing the stages between horizontal and vertical positions. A low profile and a low center of gravity are achieved when the stages are horizontally disposed. The distribution of the weight of the hoist, the rack, and the rackers between the stages of the mast assembly provides a multi-stage mast assembly in which the individual stages may be conveniently swung between reclined and vertical, well-drilling positions.

207503

Affiliated with

Also associated with

Rating

Multi-stage well drilling mast assembly does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Multi-stage well drilling mast assembly, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Multi-stage well drilling mast assembly will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-164930