Method and apparatus for drilling horizontal holes in geological structures from a vertical bore

Summers, David A; Barker, Clark R; Keith, H Dean

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Title: Method and apparatus for drilling horizontal holes in geological structures from a vertical bore

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Abstract

This invention is directed to a method and apparatus for drilling horizontal holes in geological strata from a vertical position. The geological structures intended to be penetrated in this fashion are coal seams, as for in situ gasification or methane drainage, or in oil-bearing strata for increasing the flow rate from a pre-existing well. Other possible uses for this device might be for use in the leaching of uranium ore from underground deposits or for introducing horizontal channels for water and steam injections.

Inventors:

Summers, David A ^[1]; Barker, Clark R ^[1]; Keith, H Dean ^[1]

Rolla, MO

Issue Date:: 1982-01-01

Research Org.:: Sandia National Laboratories (SNL), Albuquerque, NM, and Livermore, CA (United States)

OSTI Identifier:: 864146

Patent Number(s):: 4317492

Assignee:: Curators of University of Missouri (Columbia, MO)

Patent Classifications (CPCs):: E - FIXED CONSTRUCTIONS E21 - EARTH DRILLING E21B - EARTH DRILLING, e.g. DEEP DRILLING

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E - FIXED CONSTRUCTIONS E21 - EARTH DRILLING E21B - EARTH DRILLING, e.g. DEEP DRILLING
E21B17/20 - Flexible or articulated drilling pipes {, e.g. flexible or articulated rods, pipes or cables
E21B4/18 - Anchoring or feeding in the borehole
E21B7/046 - {horizontal drilling
E21B7/061 - {the tool shaft advancing relative to a guide, e.g. a curved tube or a whipstock}
E21B7/18 - Drilling by liquid or gas jets, with or without entrained pellets

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DOE Contract Number:: AC04-76

Resource Type:: Patent

Country of Publication:: United States

Language:: English

Subject:: method; apparatus; drilling; horizontal; holes; geological; structures; vertical; bore; directed; strata; position; intended; penetrated; fashion; coal; seams; situ; gasification; methane; drainage; oil-bearing; increasing; flow; rate; pre-existing; device; leaching; uranium; underground; deposits; introducing; channels; water; steam; injections; steam injection; coal seam; situ gasification; flow rate; vertical position; coal seams; horizontal channel; vertical bore; geological structures; horizontal holes; situ gas; drilling horizontal; /175/

Citation Formats


                    Summers, David A, Barker, Clark R, and Keith, H Dean. Method and apparatus for drilling horizontal holes in geological structures from a vertical bore.  United States: N. p., 1982. 
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                    Summers, David A, Barker, Clark R, & Keith, H Dean. Method and apparatus for drilling horizontal holes in geological structures from a vertical bore.  United States.

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                    Summers, David A, Barker, Clark R, and Keith, H Dean. Fri .  
        "Method and apparatus for drilling horizontal holes in geological structures from a vertical bore".  United States.  https://www.osti.gov/servlets/purl/864146.

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@article{osti_864146,

  title        = {Method and apparatus for drilling horizontal holes in geological structures from a vertical bore},

  author       = {Summers, David A and Barker, Clark R and Keith, H Dean},

  abstractNote = {This invention is directed to a method and apparatus for drilling horizontal holes in geological strata from a vertical position. The geological structures intended to be penetrated in this fashion are coal seams, as for in situ gasification or methane drainage, or in oil-bearing strata for increasing the flow rate from a pre-existing well. Other possible uses for this device might be for use in the leaching of uranium ore from underground deposits or for introducing horizontal channels for water and steam injections.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {1982},

  month        = {1}

}

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