Wells – With electrical means
Patent
1995-01-10
1996-04-30
Neuder, William P.
Wells
With electrical means
166 72, E21B 1916
Patent
active
055116140
ABSTRACT:
A novel improved pump pulling system for pulling a pump from a deep well casing and including all the pipe normally attached to the pump. Pulling of the pump is normally required for maintenance purposes or for replacement of the pump. Normally such pumps are electrical and therefore an attendant electrical cable is also pulled with the pump when it is necessary to remove the pump from the well casing. The present invention facilitates and simplifies such pump pulling operations by providing three significant features comprising: A novel pulling unit which is designed to attach to the interior surface of the threaded end of each pipe section as it is disconnected from the next; a holding plate which is designed to overly the casing and facilitate securing the sections of pipe while each top section is threadably disconnected from the remaining sections; and a wire reel which is designed to operate in synchronism with the hydraulic lift mechanism to automatically spool on the electrical cable as it is released from the pipe sections to which it is normally attached in a typical pump installation.
REFERENCES:
patent: 3809162 (1974-05-01), Sydor
patent: 3980143 (1976-09-01), Swartz et al.
patent: 4422508 (1983-12-01), Rutledge, Jr. et al.
patent: 4890671 (1990-01-01), Baxter
Neuder William P.
Tachner Leonard
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