Three in one combined power unit for nitrogen system, fluid...

Details Three in one combined power unit for nitrogen system, fluid... Three in one combined power unit for nitrogen system, fluid...

2006-05-30

2006-05-30

Neuder, William (Department: 3672)

Wells

Processes

Assembling well part

C166S077200, C166S090100

Reexamination Certificate

active

07051818

ABSTRACT:
A single tractor unit is provided for pulling a trailer, in which the tractor itself drives a plurality of hydraulic motors which control a crane unit, a coiled tubing injection unit, and the pumps and motors associated with a liquid nitrogen system which is used for injecting gaseous hydrogen into a workover well with coiled tubing. In an alternative mode, the liquid nitrogen system is replaced with nitrogen generators or tanks of compressed nitrogen gas. In another alternative embodiment, a separate engine, preferably mounted with the other equipment on a trailer, skid, or barge, replaces the single tractor engine for driving the plurality of hydraulic motors. In yet another embodiment, a single engine drives a plurality of well treating systems on an off-shore installation.

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