Heating apparatus for wells

Details Heating apparatus for wells Heating apparatus for wells

2006-05-02

2006-05-02

Wilson, Gregory (Department: 3749)

Heating

Geographic or structural installation

Installed on internal combustion engine element

C432S062000, C166S062000, C166S302000

Reexamination Certificate

active

07037105

ABSTRACT:
An apparatus for warming objects such as production conduits at a well site comprises an internal combustion engine driving a well pump. A heat exchanger shell is connected to an exhaust port of the engine, and has an output port. A circulating pump is driven by the engine, and a heating circuit is connected to the circulating pump such that liquid in the heating circuit is pumped from a pump output of the circulating pump through the heating circuit to a pump intake of the circulating pump. The heating circuit comprises a heat absorbing portion inside the heat exchanger shell arranged such that heat from the exhaust of the engine is transferred to the liquid therein, and a heating conduit arranged adjacent to a production conduit or other desired object such that heat from the liquid in the heating conduit is transferred to the object.

REFERENCES:
patent: 4264826 (1981-04-01), Ullmann
patent: 5335728 (1994-08-01), Strahan
patent: 5375539 (1994-12-01), Rippberger
patent: 6644400 (2003-11-01), Irwin, Jr.
patent: 6776227 (2004-08-01), Beida et al.

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