Wells – Packers or plugs – With controllable bypass outside central conduit
Patent
1976-01-20
1977-06-28
Leppink, James A.
Wells
Packers or plugs
With controllable bypass outside central conduit
1661175, 166188, 166244C, E21B 3312
Patent
active
040319555
ABSTRACT:
Apparatus is provided for affording transmission of liquid or gas inhibitor within and below the bore of a well packer during production of hydrocarbons in a subterranean well.
REFERENCES:
patent: 258565 (1882-05-01), Dresser
patent: 1273663 (1918-07-01), Pierce
patent: 2748792 (1956-06-01), Davis
patent: 2798558 (1957-07-01), McCulloch
patent: 3566970 (1971-03-01), Crow
patent: 3727683 (1973-04-01), Terral et al.
patent: 3897822 (1975-08-01), Mott
Baker Oil Tools, Inc.
Leppink James A.
Norvell, Jr. William C.
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