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Class Information
Number: 166/117.5
Name: Wells > Means for guiding insertable element laterally of well axis (e.g., whipstock)
Description: Devices comprising a means positioned in a well conduit and adapted to be engaged by an element or member movable in the well conduit so that the element or member is directed laterally of the longitudinal axis of the well conduit.










Sub-classes under this class:

Class Number Class Name Patents
166/117.6 Secured in operative position by movable means engaging well conduit (e.g., anchor) 311


Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
8701775 Completion of lateral bore with high pressure multibore junction assembly Apr. 22, 2014
8678092 Controllably installed multilateral completions assembly Mar. 25, 2014
8607858 Spiral whipstock for low-side casing exits Dec. 17, 2013
8602097 Well assembly with a composite fiber sleeve for an opening Dec. 10, 2013
8590608 Method and apparatus for multilateral construction and intervention of a well Nov. 26, 2013
8567527 System and method for drilling a borehole Oct. 29, 2013
8505621 Well assembly with recesses facilitating branch wellbore creation Aug. 13, 2013
8505622 Conical deflection wedge system for oil and gas wells and the method of use thereof Aug. 13, 2013
8469096 Whipstock Jun. 25, 2013
8459345 Extended reach whipstock Jun. 11, 2013
8453737 Diameter based tracking for window milling system Jun. 4, 2013
8430187 Directional sidetrack well drilling system Apr. 30, 2013
8393404 Downhole multiple bore rotary diverter apparatus Mar. 12, 2013
8376066 Combination whipstock and completion deflector Feb. 19, 2013
8360172 Steering device for downhole tools Jan. 29, 2013
8327944 Whipstock attachment to a fixed cutter drilling or milling bit Dec. 11, 2012
8316937 Multi-window lateral well locator/reentry apparatus and method Nov. 27, 2012
8307890 Whipstock assembly Nov. 13, 2012
8267172 System and method for determining position within a wellbore Sep. 18, 2012
8245774 Whipstock assembly for forming a window within a wellbore casing Aug. 21, 2012
8230920 Extended reach whipstock and methods of use Jul. 31, 2012
8220554 Degradable whipstock apparatus and method of use Jul. 17, 2012
8210270 Drilling and completion deflector and method of using Jul. 3, 2012
8210254 Diverting tool Jul. 3, 2012
8146685 Methods and apparatus for drilling, completing and configuring U-tube boreholes Apr. 3, 2012
8069920 Lateral well locator and reentry apparatus and method Dec. 6, 2011
8025105 Downhole tool retrieval and setting system Sep. 27, 2011
7997336 Method and apparatus for retrieving an assembly from a wellbore Aug. 16, 2011
7980307 Downhole window finder system Jul. 19, 2011
7967075 High angle water flood kickover tool Jun. 28, 2011
7934563 Inverted drainholes and the method for producing from inverted drainholes May. 3, 2011
7886835 High angle water flood kickover tool Feb. 15, 2011
7878253 Hydraulically released window mill Feb. 1, 2011
7878270 Methods and apparatus for drilling, completing and configuring U-tube boreholes Feb. 1, 2011
7814972 Wireline entry sub Oct. 19, 2010
7770634 Gas lift apparatus for flushing and snubbing well Aug. 10, 2010
7726401 Casing exit joint with easily milled, low density barrier Jun. 1, 2010
7690443 Apparatus, system, and method for casing hole formation in radial drilling operations Apr. 6, 2010
7669664 Apparatus and method for opening and closing lateral boreholes Mar. 2, 2010
7640985 Methods of directional drilling and forming kickoff plugs using self-degrading cement in subterranean well bores Jan. 5, 2010
7637319 Kickoff plugs comprising a self-degrading cement in subterranean well bores Dec. 29, 2009
7610971 One trip milling system and method Nov. 3, 2009
7575049 Exit window milling assembly with improved restraining force Aug. 18, 2009
7506700 Method for steering mud motors and retrieving measurement while drilling devices Mar. 24, 2009
7506699 Directional drilling tool Mar. 24, 2009
7487847 Lateral downhole drilling tool Feb. 10, 2009
7451810 Kickover tool and selective mandrel system Nov. 18, 2008
7422057 Whipstock with curved ramp Sep. 9, 2008
7373984 Lining well bore junctions May. 20, 2008
7370702 Single mill casing window cutting tool and method May. 13, 2008

1 2 3 4 5 6 7










 
 
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