Three in one combined power unit for nitrogen system, fluid system, and coiled tubing system
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United States of America Patent
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May 30, 2006
Issued Date -
N/A
app pub date -
Oct 22, 2003
filing date -
Apr 22, 2002
priority date (Note) -
In Force
status (Latency Note)
Importance
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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