Subsurface stuffing box assembly

Details Subsurface stuffing box assembly Subsurface stuffing box assembly

1986-09-22

1988-06-14

Smith, Leonard E.

Pumps

Processes

417448, 417554, F04B 4700

Patent

active

047508655

ABSTRACT:
A method and apparatus for pumping high viscosity fluids such as viscous crude oils using a reciprocating pump powered by a reciprocating rod string where friction between the viscous fluid and the rod string and the resulting floatation effect are reduced greatly or substantially eliminated.

REFERENCES:
patent: 138477 (1873-05-01), Carll
patent: 2522825 (1950-09-01), Hoffer
patent: 3040673 (1962-06-01), Dunbar
patent: 3045606 (1962-07-01), Schmidt
patent: 3102495 (1963-09-01), Page
patent: 4102608 (1978-07-01), Balkau et al.
patent: 4440231 (1984-04-01), Martin

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