Wireline set baffle and method of setting thereof

Details Wireline set baffle and method of setting thereof Wireline set baffle and method of setting thereof

1993-03-31

1995-03-21

Melius, Terry Lee

Wells

Processes

Placing or shifting well part

166162, 166208, 166242, E21B 2302

Patent

active

053987632

ABSTRACT:
A wireline set baffle for positioning in a well casing after the well casing has already been placed in a wellbore. The apparatus comprises a baffle and a setting or running tool engaged with the baffle and adapted for positioning the baffle at a predetermined location in the wellbore. In one embodiment, a lock ring may be used to lock the baffle to the casing at a predetermined location, and in another embodiment, collet fingers on the baffle may be used to engage the casing. The lock ring may be initially held in a non-engaging position by a lock ring retainer or shear pins. The collet fingers may be initially held in a non-engaging position by a cover which is disengaged from the collet fingers by a blasting cap. Engagement may be with an inner surface of the casing or a recess defined at a casing joint. A method of using the wireline set baffle is also disclosed.

REFERENCES:
patent: 3289762 (1966-12-01), Schell et al.
patent: 3768562 (1973-10-01), Baker
patent: 3811500 (1974-05-01), Morrisett et al.
patent: 3948322 (1976-04-01), Baker
patent: 4250966 (1981-02-01), Streich et al.
patent: 4637468 (1987-01-01), Derrick
patent: 4664192 (1987-05-01), Hogarth
Halliburton Services Sales & Service Catalog No. 43 (1985), pp. 2412, 2442, 2444-2446 and 2509-2510.

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