Parking tool for pumpdown well completion system

Details Parking tool for pumpdown well completion system Parking tool for pumpdown well completion system

1981-01-27

1983-08-16

Pate, III, William F.

Wells

Expansible anchor or casing

Expansible means translated by wedge or cam

166156, 166382, 166383, 166237, 285 18, E21B 2308

Patent

active

043986013

ABSTRACT:
A pumpdown well completion system for pumpdown well servicing of remotely located wells such as subsea wells including particularly a parking tool and a parking tool landing nipple for a pumpdown flowline to permit pumping a tool train to the landing nipple using a large size piston unit and thereafter pumping a section of the tool train beyond the landing nipple using small size piston units. The parking tool includes a central mandrel having a coupling collet telescopically engaged in a housing having a parking collet. The mandrel is telescopically engaged in the housing for movement between a first traveling position at which the coupling collet connects a large size section of a tool train with a small size section and a second release position at which the small size tool train section is released from the parking tool. The housing includes a parking collet operated by movement of the coupling collet for releasably locking the parking tool in the landing nipple when the coupling collet moves to a release position. The landing nipple is a dual wall flow conductor having an inner parking tube including a stop shoulder and a locking recess and fluid bypass ports longitudinally spaced on either side of the parking position of the parking tool and an outer housing defining an annular bypass flow passage between the ports.

REFERENCES:
patent: 3727693 (1973-04-01), Tausch et al.
patent: 3915226 (1975-10-01), Savage
patent: 4232888 (1980-11-01), Armancharla

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