Rotating piston for ball and seat valve assembly and downhole pu

Details Rotating piston for ball and seat valve assembly and downhole pu Rotating piston for ball and seat valve assembly and downhole pu

1997-01-21

1999-04-13

Thorpe, Timothy S.

Pumps

Expansible chamber type

Relatively movable serial distributors

417507, 417554, 92173, 1375123, F04B 5312

Patent

active

058937080

ABSTRACT:
Disclosed is an assembly for unseating a seated traveling valve ball, and pumps utilizing such an assembly. The assembly generally includes a tubular member having therein a piston with an actuator for engaging the ball. Mechanical advantage is provided either by providing a sealing area of the piston that is greater than the sealing area of the seat valve and/or by providing a engaging member suitable to strike to seated ball asymmetrically with respect to the vertical axis through the center line of the ball.

REFERENCES:
patent: 880019 (1908-02-01), Futhey
patent: 1026873 (1912-05-01), Locke
patent: 1201543 (1916-10-01), Becker
patent: 1278769 (1918-09-01), Shutt
patent: 1513985 (1924-11-01), Gunn et al.
patent: 1585544 (1926-05-01), Hubbard
patent: 1784602 (1930-12-01), Kirkpatrick
patent: 2005299 (1935-06-01), Penrod
patent: 2344786 (1944-03-01), Patterson et al.
patent: 2933050 (1960-05-01), Crowl et al.
patent: 3023710 (1962-03-01), Tyree, Jr.
patent: 3139039 (1964-06-01), Adams
patent: 3612101 (1971-10-01), Pavlovich
patent: 3697199 (1972-10-01), Spears
patent: 4395204 (1983-07-01), Turner
patent: 4531896 (1985-07-01), Spears
patent: 4534715 (1985-08-01), Jones
patent: 4599054 (1986-07-01), Spears
patent: 4691735 (1987-09-01), Horton
patent: 4741679 (1988-05-01), Blassingame
patent: 4781547 (1988-11-01), Madden
patent: 4848454 (1989-07-01), Spears
patent: 5108272 (1992-04-01), Brewer et al.
patent: 5178184 (1993-01-01), Skillman
patent: 5382142 (1995-01-01), Spears
patent: 5533876 (1996-07-01), Nelson, II
patent: 5628624 (1997-05-01), Nelson, II
patent: 5660534 (1997-08-01), Snow

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