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Class Information
Number: 175/78
Name: Boring or penetrating the earth > Means carried by housing insertable in inaccessible hole to advance side wall tool laterally
Description: Apparatus comprising a supporting or carrying means insertable in an inaccessible hole, said supporting or carrying means providing a housing with an opening for the boring tool, and means is provided in the housing to advance the tool from the housing through the opening in a direction at an angle to the path of travel of the housing on being inserted in the inaccessible hole.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8684110 Sealed core Apr. 1, 2014
8622152 Down-the-hole drill hammer having a sliding exhaust check valve Jan. 7, 2014
8607857 Vacuum debris removal with articulated pickup and visual capability Dec. 17, 2013
8596386 System and method for drilling and completing lateral boreholes Dec. 3, 2013
8528644 Apparatus and method for milling casing in jet drilling applications for hydrocarbon production Sep. 10, 2013
8505622 Conical deflection wedge system for oil and gas wells and the method of use thereof Aug. 13, 2013
8430186 Sealed core Apr. 30, 2013
8424620 Apparatus and method for lateral well drilling Apr. 23, 2013
8276688 Downhole casing cutting tool Oct. 2, 2012
8210284 Coring apparatus and methods to use the same Jul. 3, 2012
8074744 Horizontal waterjet drilling method Dec. 13, 2011
7753117 Tool and method for evaluating fluid dynamic properties of a cement annulus surrounding a casing Jul. 13, 2010
7753118 Method and tool for evaluating fluid dynamic properties of a cement annulus surrounding a casing Jul. 13, 2010
7699107 Mechanical and fluid jet drilling method and apparatus Apr. 20, 2010
7631708 Method and apparatus for horizontal drilling and oil recovery Dec. 15, 2009
7584794 Mechanical and fluid jet horizontal drilling method and apparatus Sep. 8, 2009
7530407 Rotary coring device and method for acquiring a sidewall core from an earth formation May. 12, 2009
7523785 System for injecting a substance into an annular space Apr. 28, 2009
7455127 Apparatus and method for improving multilateral well formation and reentry Nov. 25, 2008
7431107 Coring bit with uncoupled sleeve Oct. 7, 2008
7370710 Erectable arm assembly for use in boreholes May. 13, 2008
7347284 Apparatus and method for hard rock sidewall coring of a borehole Mar. 25, 2008
6915853 Method and device for perforating a portion of casing in a reservoir Jul. 12, 2005
6889781 Horizontal directional drilling in wells May. 10, 2005
6883611 Sealed multilateral junction system Apr. 26, 2005
6615915 High pressure side-by-side wellhead system Sep. 9, 2003
6588517 Boring apparatus Jul. 8, 2003
6578636 Horizontal directional drilling in wells Jun. 17, 2003
6571867 Apparatus for increasing the effective diameter of a wellbore Jun. 3, 2003
6550553 Boring apparatus Apr. 22, 2003
6523624 Sectional drive system Feb. 25, 2003
6412578 Boring apparatus Jul. 2, 2002
6378629 Boring apparatus Apr. 30, 2002
6325164 Device and method for creating bore-hole branches Dec. 4, 2001
6279659 Assembly and method for providing a means of support and positioning for drilling multi-lateral wells and for reentry therein through a premilled window Aug. 28, 2001
6276453 Method and apparatus for forcing an object through the sidewall of a borehole Aug. 21, 2001
6199656 Casing for noise attenuation in a rock drilling rig Mar. 13, 2001
6050351 Drilling hole system for horizontal boreholes Apr. 18, 2000
5911283 Sectional drive system Jun. 15, 1999
5810101 Horizontal drilling machine Sep. 22, 1998
5804713 Apparatus for sensor installations in wells Sep. 8, 1998
5699866 Sectional drive system Dec. 23, 1997
5687806 Method and apparatus for drilling with a flexible shaft while using hydraulic assistance Nov. 18, 1997
5667025 Articulated bit-selector coring tool Sep. 16, 1997
5622231 Cutting head Apr. 22, 1997
5617927 Sidewall rotary coring tool Apr. 8, 1997
5553680 Horizontal drilling apparatus Sep. 10, 1996
5487433 Core separator assembly Jan. 30, 1996
5431223 Drilling kick-off device Jul. 11, 1995
5425429 Method and apparatus for forming lateral boreholes Jun. 20, 1995

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