Reentry system for subsea well apparatus

Details Reentry system for subsea well apparatus Reentry system for subsea well apparatus

1977-01-13

1978-06-20

Purser, Ernest R.

Wells

With below and above ground modification

Eduction pump or plunger in well

33180R, 285 27, 175 7, 61 69R, E21B 712

Patent

active

040956490

ABSTRACT:
A reentry system for a subsea apparatus or station including a normally retracted guide post, which is extendable above the well apparatus for connection to a single guide line. A frame structure lowered along the single guide line includes a gimbal mounted guide funnel assembly which provides self-adjustment of the funnel assembly during a non-axial approach into axial alignment with the guide post means. The guide posts means and funnel assembly are provided with orientation and positioning means for the frame structure so that well equipment carried by the frame structure is positioned in alignment with its cooperable part on the well apparatus. A retractable, extendable guide post which is non-rotatable and which is recoverable for maintenance and service. A method of making such a reentry to a subsea well apparatus.

REFERENCES:
patent: 1803199 (1931-04-01), Melms
patent: 2808229 (1957-10-01), Bauer et al.
patent: 3050138 (1962-08-01), Outwin et al.
patent: 3090437 (1963-05-01), Geer
patent: 3301322 (1967-01-01), Newsome
patent: 3313347 (1967-04-01), Crain
patent: 3401746 (1968-09-01), Stevens et al.
patent: 3513909 (1970-05-01), Peterman et al.
patent: 3517737 (1970-06-01), Petersen
patent: 3602301 (1971-08-01), James

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