Method and apparatus for retrieving a running tool/guideframe as

Details Method and apparatus for retrieving a running tool/guideframe as Method and apparatus for retrieving a running tool/guideframe as

1988-04-20

1989-09-19

Reese, Randolph A.

Hydraulic and earth engineering

Subterranean or submarine pipe or cable laying, retrieving,...

Submerging, raising, or manipulating line of pipe or cable...

405188, 405224, 166341, 166351, 166345, 166365, 285 18, 285 27, E21B 7128

Patent

active

048676055

ABSTRACT:
Method and apparatus for retrieving a running tool/guideframe assembly without the use of winch wires. A portion or each guidepost assembly can be unlatched from the seafloor-mounted template to permit that portion to be retrieved using the guidewires. The unlatchable portion of the guidepost system is formed with a load support that engages and supports the running tool/guideframe assembly so that the assembly is retrieved concurrently with the unlatchable portions of the guidepost assemblies.

REFERENCES:
patent: 3513909 (1970-05-01), Peterman
patent: 3553821 (1971-01-01), Postlewaite
patent: 4161367 (1979-07-01), Cuiper et al.
patent: 4400112 (1983-08-01), Castel et al.
patent: 4417830 (1983-11-01), Shotbolt
patent: 4439068 (1984-03-01), Pokladnik
patent: 4591296 (1986-05-01), Henderson et al.
patent: 4708524 (1987-11-01), Goris
Skeels, H. B. and B. T. Landeis; "A New Deepwater Exploration Template Drilling System to Accomodate Early Production Tiebuck;" 0TC5320; pp. 265-269; 5/86.

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