Multi-function well servicing vehicle

Details Multi-function well servicing vehicle Multi-function well servicing vehicle

2007-07-31

2007-07-31

Tsay, Frank (Department: 3672)

Wells

Above ground apparatus

Moving tubing or cable into an existing well

C166S077510, C175S135000

Reexamination Certificate

active

11086398

ABSTRACT:
A mobile vehicle for inserting jointed pipe into a well, having a derrick and hydraulic rams to raise and lower same, adapted to conduct additional operations which will allow a well to be completed by this vehicle alone. Three winches are provided, a first to raise and lower power tongs to manoeuvre and thread jointed pipe, a second situate on the bed of the vehicle to raise and lower jointed tubing, and a third likewise mounted on the bed of the vehicle on which a conductive wireline is wound, for raising and lowering logging and swabbing devices in the well. Levelling jacks are provided at four corners of the vehicle to permit levelling of the vehicle and alignment of jointed pipe with the borehole of the well. Each of the rams, power tongs, levelling jacks, first, second, and third winches are hydraulically powered, preferably by a single pump, as each of the aforementioned devices are not operated at the same time but sequentially.

REFERENCES:
patent: 2847098 (1958-08-01), Heinish
patent: 3109523 (1963-11-01), Moller
patent: 3670831 (1972-06-01), Winter et al.
patent: 3734210 (1973-05-01), Wilderman
patent: 3994350 (1976-11-01), Smith et al.
patent: 4371046 (1983-02-01), Read
patent: 4478291 (1984-10-01), Futros
patent: 5094302 (1992-03-01), Back
patent: 5794723 (1998-08-01), Caneer et al.
patent: 6003598 (1999-12-01), Andreychuk

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