Ball drop head with rotating rings

Details Ball drop head with rotating rings Ball drop head with rotating rings

1996-10-17

1998-06-02

Suchfield, George A.

Wells

Processes

Assembling well part

137268, 166 7515, 166381, E21B 2303

Patent

active

057587264

ABSTRACT:
A ball drop head for dropping balls into a tubing or casing string of a well. The ball drop head has a central container with at least one ball carrier ring rotatably disposed therein. A ball cavity is defined in the ring, and a ball is disposed therein. The ball is biased radially inwardly toward the container so that when the ring is rotated to align the cavity with a ball release opening defined in the container, the ball is pushed through the ball release opening to enter and fall through a central opening in the container. The ring may be rotated manually or remotely, such as by inflating a pneumatic or hydraulic bellows. Additional rings may be mounted on the container to use in dropping additional balls. A method of dropping balls into a well is also disclosed.

REFERENCES:
patent: 2961045 (1960-11-01), Stogner et al.
patent: 2961046 (1960-11-01), Moeller et al.
patent: 3130783 (1964-04-01), Orr
patent: 3372705 (1968-03-01), Bodhaine
patent: 3512554 (1970-05-01), Childers
patent: 4073303 (1978-02-01), Foley, Jr.
patent: 4420040 (1983-12-01), Arbasak et al.
patent: 4491177 (1985-01-01), Baugh
patent: 5095988 (1992-03-01), Bode
patent: 5205359 (1993-04-01), Stephenson
Halliburton Services Sales & Service Catalog No. 44, pp. 28-30 and 128-131 (1990).
Brochure from Firestone 4001 (Undated).
Brochure from Frank's International, Aug. 14, 1995.

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