Remote alignment method and apparatus

Details Remote alignment method and apparatus Remote alignment method and apparatus

E - Fixed Constructions

21

B

166/51

E21B 7/12 (2006.01) E21B 41/00 (2006.01) E21B 43/017 (2006.01)

Patent

CA 1182039

ABSTRACT OF THE DISCLOSURE An apparatus and method are disclosed for aligning equipment lowered from the ocean surface with a fixed subsea structure without the use of guidelines. The apparatus comprises a guide frame including primary and secondary members, a mating guide base including primary and secondary members, vertical channeling means and rotational engagement means. In the practice of the method, the frame is generally positioned above the base using known means of limited precision. Using remote means, the frame is first lowered to vertically channel the primary members into alignment, then rotated until the secondary members are engaged and finally lowered further to fully land the frame on the base.

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