Hydraulic pump jack

Details Hydraulic pump jack Hydraulic pump jack

1981-08-10

1987-12-15

Freeh, William L.

Power plants

Pressure fluid source and motor

Cyclically operable reciprocating or oscillating motor or...

91279, F16D 3102, F01L 3100

Patent

active

047123745

ABSTRACT:
A hydraulic pump jack is disclosed which utilizes a hydraulic cylinder to provide pumping force to an oil well sucker rod. The hydraulic pump jack may be directly mounted on an oil well casing either above or below ground. A tubular piston rod which may be connected to a sucker rod in telescoping relation for transmitting vertical force without side loading is also disclosed. Apparatus for mounting the piston rod within a cylindrical housing is described. The use of a counter weight system for balancing the pump load is also described.

REFERENCES:
patent: 245101 (1881-08-01), Thayer et al.
patent: 2351872 (1944-06-01), Parker

Affiliated with

Also associated with

Rating

Hydraulic pump jack does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Hydraulic pump jack, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Hydraulic pump jack will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1212521