Wells – Processes – Assembling well part
Patent
1996-09-18
1998-04-28
Bagnell, David J.
Wells
Processes
Assembling well part
166 68, 166105, 277123, 2771673, 417554, F04B 4700, F04B 5302
Patent
active
057433364
ABSTRACT:
In a down-hole well arrangement, an insert pump having a pump barrel is provided, the pump barrel having a top end and a bottom end. Tubing for the down-hole well is also provided, the tubing including one or more tubing members, a seating nipple, and a tubular member having a first end attached to the seating nipple and a second end. A pump-packing device is provided, the pump-packing device having a tubular body having a bottom end attached to the second end of the tubular member and a top end attached to one of the one or more tubing members. The pump-packing device includes one or more annular spacer members, the spacer members being disposed inside the tubular body and having a first inside diameter, and one or more annular flexible elements supported inside the tubular body by the spacer members and having a second inside diameter smaller than the first inside diameter, the second inside diameter being sufficiently large to permit the pump barrel to be removably inserted through the flexible elements. The tubular body and the tubular member are of sufficient length such that, when the bottom end of the pump barrel is disposed proximate the seating nipple, the flexible elements are disposed proximate and below the top end of the pump barrel.
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Bagnell David J.
Bull Dog Tool Inc.
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