Method and apparatus for controlling a well during drilling oper

Details Method and apparatus for controlling a well during drilling oper Method and apparatus for controlling a well during drilling oper

1975-11-24

1978-02-28

Novosad, Stephen J.

Boring or penetrating the earth

Processes

Boring with specific fluid

166142, 166183, 166187, 166317, 166318, 166319, 175325, E21B 2304, E21B 33127, E21B 4100

Patent

active

040760839

ABSTRACT:
A method and apparatus for use in controlling a well during drilling operations is disclosed. The method includes actuating a downhole packer and providing for flow in a controlled manner past the packer. The apparatus includes a packer and means for controlling flow past the packer. This abstract is neither intended to define the scope of the invention which, of course, is defined in the claims, nor is it intended to be limiting in anyway.

REFERENCES:
patent: 2978046 (1961-04-01), True
patent: 3134439 (1964-05-01), Shields, Jr.
patent: 3190359 (1965-06-01), Brown
patent: 3373820 (1968-03-01), Robinson, Jr. et al.
patent: 3503445 (1970-03-01), Cochrum et al.
patent: 3527296 (1970-09-01), Malone
patent: 3710862 (1973-01-01), Young et al.

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