Wells – Processes – With indicating – testing – measuring or locating
Patent
1989-01-09
1990-01-02
Novosad, Stephen J.
Wells
Processes
With indicating, testing, measuring or locating
166 775, 166377, 254 30, E21B 1902
Patent
active
048906719
ABSTRACT:
This invention relates to a polished rod liner puller assembly and method of use having a plurality of interconnectable elements being (1) a spacer stand assembly; (2) a work table assembly mountable upon the spacer stand assembly; (3) a base plate assembly mountable upon a top surface of the work table assembly; (4) piston and cylinder jack assemblies pivotally connected to an upper surface of the base plate assembly; and (5) a winged rod clamp assembly connected to an outer end of the piston and cylinder jack assemblies and connectable to a polished rod liner assembly for axial movement thereof and subsequent replacement of a polished rod liner member. The work table assembly and base plate assembly are provided with U-shaped slot sections so as to be readily mountable about the existing pipe members in a well casing head assembly. The method of use of the polished rod liner puller assembly is operable to be placed about a well casing head assembly and a polished rod liner assembly for connection thereto for controlled vertical movement within a stuffing box assembly to remove and replace a worn polished rod liner member.
REFERENCES:
patent: 1343821 (1920-06-01), Hatch
patent: 2592168 (1952-04-01), Morris et al.
patent: 2604171 (1952-07-01), Houser
patent: 3290006 (1966-12-01), Dubberke
patent: 3316963 (1967-05-01), Boldrick et al.
patent: 3331585 (1967-07-01), Dubberke
patent: 4209066 (1980-06-01), Watson
patent: 4479537 (1984-10-01), Reed
Novosad Stephen J.
Rein Phillip A.
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