Retrievable subsurface well casing slip and packer apparatus and

Details Retrievable subsurface well casing slip and packer apparatus and Retrievable subsurface well casing slip and packer apparatus and

1985-05-06

1986-03-18

Novosad, Stephen J.

Wells

Processes

Placing or shifting well part

166138, 166216, E21B 2300, E21B 33129

Patent

active

045762309

ABSTRACT:
A retrievable subsurface well casing slip and packer apparatus and method having upper and lower interconnected and expandable slips which have a combined circumferential engagement of a well conduit greater than or equal to 360.degree. and a control means for releasing engaging means for engagement with a well bore and permitting rotation of a running string in clockwise and counterclockwise directions without releasing the engagement means for setting the apparatus in a well bore.

REFERENCES:
patent: 2136047 (1938-11-01), Fulkerson
patent: 2805723 (1957-09-01), Young
patent: 2832422 (1958-04-01), Cross, Jr. et al.
patent: 3115189 (1963-12-01), Althouse, Jr. et al.
patent: 3179180 (1965-04-01), Hart

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