Wellbore overshot

Details Wellbore overshot Wellbore overshot

1997-04-09

1999-02-02

Suchfield, George

Wells

Processes

Freeing stuck object, grappling or fishing in well

166 98, 294 8631, E21B 3118

Patent

active

058652531

ABSTRACT:
An overshot for engaging and retrieving a collapsed coiled tubing in a wellbore, has been invented. In one aspect the overshot has a body member with a top, a bottom, and a body channel therethrough from top to bottom, the body member having a slip chamber, at least one slip movably disposed in the slip chamber of the body member, and movable on at least one inclined rail in the slip chamber so that, upon contacting the collapsed coiled tubing, upward movement of the body member results in downward movement of the at least one slip which also moves the at least one slip inwardly in the body member thereby increasing gripping force of the at least one slip on the collapsed coiled tubing. Methods have also been invented for using such overshots.

REFERENCES:
patent: 264930 (1882-09-01), Conradson
patent: 529781 (1894-11-01), Craelius
patent: 885478 (1908-04-01), Hollingsworth
patent: 1351744 (1920-09-01), Dailey
patent: 1428385 (1922-09-01), Meredith et al.
patent: 1487440 (1924-03-01), Butts
patent: 1524288 (1925-01-01), Burns
patent: 1581010 (1926-04-01), Murray
patent: 1592337 (1926-07-01), Cailloux et al.
patent: 1592981 (1926-07-01), Ligon
patent: 1599067 (1926-09-01), Segelhorst
patent: 1601369 (1926-09-01), Montgomery
patent: 1616024 (1927-02-01), Brust, Jr.
patent: 1664461 (1928-04-01), Montgomery
patent: 1720692 (1929-07-01), Reynolds et al.
patent: 1728781 (1929-09-01), Cameron
patent: 1732962 (1929-10-01), Brust, Jr.
patent: 1778968 (1930-10-01), Towne
patent: 1791529 (1931-02-01), Lamoureux et al.
patent: 1920617 (1933-08-01), Young et al.
patent: 2014804 (1935-09-01), Hinderliter
patent: 2067009 (1937-01-01), Hinderliter
patent: 2174077 (1939-09-01), Bowne
patent: 2201434 (1940-05-01), Gallagher
patent: 2245571 (1941-06-01), Chappell
patent: 2275911 (1942-03-01), LeBus
patent: 2313263 (1943-03-01), Rea
patent: 2492813 (1949-12-01), Osmun
patent: 2553985 (1951-05-01), Siracusa
patent: 2567337 (1951-09-01), Hunt
patent: 2595008 (1952-04-01), Sill
patent: 2616752 (1952-11-01), Osmun
patent: 2743130 (1956-04-01), Osmun
patent: 2852301 (1958-09-01), Gentry
patent: 2970859 (1961-02-01), Justice
patent: 3191981 (1965-06-01), Osmun
patent: 3358765 (1967-12-01), LeBlanc
patent: 3422524 (1969-01-01), Timmons
patent: 3527494 (1970-09-01), Young
patent: 3590921 (1971-07-01), Brunjes
patent: 3608932 (1971-09-01), Brown
patent: 3698756 (1972-10-01), Groves
patent: 4124245 (1978-11-01), Kuenzel
patent: 4138145 (1979-02-01), Lawrence
patent: 5054832 (1991-10-01), Davis et al.
patent: 5409065 (1995-04-01), Davis
patent: 5413171 (1995-05-01), Womack
patent: 5580114 (1996-12-01), Palmer
patent: 5765638 (1998-06-01), Taylor
Homco Casing Bowl, Composite Catalog, 1970--71, p. 2535.
Web Wilson Champion Elevators, Joy Petroleum Equipment Brochure 875, 1975.
Oversocket Fishing Tool, Bull Dog, Inc., 1996--97 Composite Catalog.

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