Well servicing apparatus

Details Well servicing apparatus Well servicing apparatus

1980-07-02

1982-12-21

Taylor, Billy S.

Implements or apparatus for applying pushing or pulling force

Apparatus for hauling or hoisting load, including driven...

Device includes rotatably driven, cable contacting drum

212233, 212270, 254334, B66D 136

Patent

active

043645453

ABSTRACT:
A suspension structure is disclosed for use in running well hardware such as a pumping assembly by cable into a well and pulling the hardware from the well, the structure including two suspension masts. One of the masts is a lightweight mast having a working height sufficient to suspend the hardware above a well platform or the like on which the masts are mounted but not having a load capacity sufficient to withstand the forces required to pull the hardware from the well. The other mast is a short mast of high-load capacity capable of withstanding such forces but not of sufficient height to suspend the hardware. The two masts are used alternatively for running and pulling operations.

REFERENCES:
patent: 992527 (1911-05-01), Wigle
patent: 1116427 (1914-11-01), Horton et al.
patent: 1933472 (1933-10-01), DeVou
patent: 2128712 (1938-08-01), Neff
patent: 2326556 (1940-08-01), Opsal
patent: 2361053 (1944-10-01), Pedersen et al.
patent: 2438277 (1948-03-01), Fife et al.
patent: 2595307 (1952-05-01), Selberg
patent: 2742260 (1956-04-01), Patterson
patent: 3050285 (1962-08-01), Troyer
patent: 3101816 (1960-05-01), Fox
patent: 3991978 (1976-11-01), Jones
patent: 4050587 (1977-09-01), Moen

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