Drill pipe bridge plug

Details Drill pipe bridge plug Drill pipe bridge plug

1990-06-04

1991-07-09

Britts, Ramon S.

Wells

Packers or plugs

With expanding anchor

166133, 166331, 166334, 166183, 166196, E21B 3300

Patent

active

050296434

ABSTRACT:
A retrievable bridge plug apparatus, and associated methods, are provided for sealing the bore of a drill pipe string to control a well that is flowing out of control.

REFERENCES:
patent: 2799346 (1957-07-01), Baker et al.
patent: 2806532 (1957-09-01), Baker et al.
patent: 2946388 (1960-07-01), Evans
patent: 2972381 (1961-02-01), Raulns
patent: 3189096 (1965-06-01), Phenix
patent: 3332494 (1967-07-01), Scott
patent: 3422900 (1969-01-01), Hyde et al.
patent: 3434538 (1969-03-01), Kilgore et al.
patent: 3454089 (1969-07-01), Brown
patent: 3809157 (1974-05-01), Dufrene
patent: 3867984 (1975-02-01), Dufrene
patent: 4050512 (1977-09-01), Giebeler
patent: 4344651 (1982-08-01), Longacre et al.
patent: 4436150 (1984-03-01), Barker
patent: 4586567 (1986-05-01), Jameson
patent: 4640363 (1987-02-01), Taylor
patent: 4693315 (1987-09-01), Taylor
Exhibit A-Brochure of Baker Oil Tools entitled "Baker Completion Systems Special Products", p. 816.
Exhibit B-Halliburton Services Sales & Service Catalog No. 43, (1985), pp. 2556-2562.

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