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U.S. Department of Energy
Office of Scientific and Technical Information

Packing assembly for use with reeled tubing and method of operating and removing same

Patent ·
OSTI ID:6939045
This patent describes apparatus for operating in a tube in a well containing fluid. It comprises two members adapted for relative movement; means responsive to the relative movement for engaging the tube; hydraulically operated actuator means for receiving pressurized fluid and causing the relative movement in response to a predetermined pressure of the fluid for actuating the engaging means; means for locking the engaging means in the tube-engaging position; means for permitting flow of the well fluid through the apparatus before the actuating and for preventing the flow after the locking; and means for equalizing the pressure of the well fluid across the members.
Assignee:
Otis Engineering Corp., Carrollton, TX (United States)
Patent Number(s):
A; US 5146994
Application Number:
PPN: US 7-635900
OSTI ID:
6939045
Country of Publication:
United States
Language:
English