Multiple branch well containing one producer and one injector well

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 4396230
SERIAL NO

06276552

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A multiple branch well for use with in situ leach mining of deep lying ore bodies. The branch wells may be formed by a method disclosed in a related invention. Each well may have two branches one of which is a producer well and one an injector well. Internally of the main casing from which the two branch casings extend are--from the lower end up--a packer unit, a tubing hanger, and a wireline retrievable hydraulically generated pump. The packer and tubing hanger serve their conventional function of, respectively, blocking the flow of leach fluids and holding the branch tubular casing in place within the main casing. The hydraulic pump joins the tubular casings to maintain a constant ratio of produced fluid to injected fluid. This pump is operated by a pressurized fluid source. Since it is retrievable and hydraulically operated, the pump can be brought to the surface for any repairs or maintenance and it requires less surface plumbing with no down hole electrical power.

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Patent Owner(s)

Patent OwnerAddress
BECFIELD HORIZONTAL DRILLING SERVICES COMPANY A TEXAS PARTNERSHIP10903 METRONOME HOUSTON TX

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dareing, Donald W 13914 Jaycreek Ct., Houston, TX 77070 6 424
Larson, William C 8301 Ewing Rd., Bloomington, MN 55431 6 300
Snyder, Robert 2010 Grove Lake Dr., Kingwood, TX 77339 50 2508
Wood, Edward T 3415 Fawn Creek, Kingwood, TX 77339 65 2252

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