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Class Information
Number: 166/117.6
Name: Wells > Means for guiding insertable element laterally of well axis (e.g., whipstock) > Secured in operative position by movable means engaging well conduit (e.g., anchor)
Description: Devices in which the diverting means is secured in operative position in the well conduit by means movable relative to the diverting means and adapted to engage or cause a portion of the diverting means to engage the wall of the well conduit to prevent either longitudinal or rotary movement of the diverting means relative to the well conduit.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7575050 |
Method and apparatus for a downhole excavation in a wellbore |
Aug. 18, 2009 |
| 7559371 |
Method and apparatus for centralizing through tubing milling assemblies |
Jul. 14, 2009 |
| 7537055 |
Method and apparatus for forming a window in a casing using a biasing arm |
May. 26, 2009 |
| 7513302 |
Apparatus for orienting a mule shoe to enter a previously-installed tubular in a lateral and method of use |
Apr. 7, 2009 |
| 7455127 |
Apparatus and method for improving multilateral well formation and reentry |
Nov. 25, 2008 |
| 7455110 |
In-situ creation of drilling deflector |
Nov. 25, 2008 |
| 7448446 |
Thru tubing tool and method |
Nov. 11, 2008 |
| 7422057 |
Whipstock with curved ramp |
Sep. 9, 2008 |
| 7337846 |
Surface controlled subsurface lateral branch safety valve |
Mar. 4, 2008 |
| 7331387 |
Downhole window finder and method of using the same |
Feb. 19, 2008 |
| RE40067 |
Downhole equipment tools and assembly procedures for the drilling, tie-in and completion of vertical cased oil wells connected to liner-equipped multiple drainholes |
Feb. 19, 2008 |
| 7320373 |
One-step directional coring or drilling system |
Jan. 22, 2008 |
| 7299864 |
Adjustable window liner |
Nov. 27, 2007 |
| 7299878 |
High pressure multiple branch wellbore junction |
Nov. 27, 2007 |
| 7234526 |
Method of forming a sealed wellbore intersection |
Jun. 26, 2007 |
| 7231980 |
Self orienting lateral junction system |
Jun. 19, 2007 |
| 7219746 |
Apparatus and method for installing a branch junction from a main well |
May. 22, 2007 |
| 7207390 |
Method and system for lining multilateral wells |
Apr. 24, 2007 |
| 7178589 |
Thru tubing tool and method |
Feb. 20, 2007 |
| 7159661 |
Multilateral completion system utilizing an alternate passage |
Jan. 9, 2007 |
| 7124827 |
Expandable whipstock anchor assembly |
Oct. 24, 2006 |
| 7121352 |
Isolation of subterranean zones |
Oct. 17, 2006 |
| 7117958 |
One-step directional coring or drilling system |
Oct. 10, 2006 |
| 7096962 |
Wellbore recovery operation |
Aug. 29, 2006 |
| 7077206 |
Method and apparatus involving an integrated or otherwise combined exit guide and section mill for sidetracking or directional drilling from existing wellbores |
Jul. 18, 2006 |
| 7070000 |
Sealed multilateral junction system |
Jul. 4, 2006 |
| RE39141 |
Downhole equipment, tools and assembly procedures for the drilling, tie-in and completion of vertical cased oil wells connected to liner-equipped multiple drainholes |
Jun. 27, 2006 |
| 7063143 |
Docking station assembly and methods for use in a wellbore |
Jun. 20, 2006 |
| 7051810 |
Downhole force generator and method for use of same |
May. 30, 2006 |
| 7011151 |
Sealed lateral wellbore junction |
Mar. 14, 2006 |
| 7000695 |
Expanding wellbore junction |
Feb. 21, 2006 |
| 6991047 |
Wellbore sealing system and method |
Jan. 31, 2006 |
| 6991048 |
Wellbore plug system and method |
Jan. 31, 2006 |
| 6968903 |
Orientable whipstock tool and method |
Nov. 29, 2005 |
| 6968896 |
Orienting whipstock seat, and method for seating a whipstock |
Nov. 29, 2005 |
| 6951252 |
Surface controlled subsurface lateral branch safety valve |
Oct. 4, 2005 |
| 6945328 |
Lockable motor assembly for use in a well bore |
Sep. 20, 2005 |
| 6935422 |
Expanding wellbore junction |
Aug. 30, 2005 |
| 6935428 |
Apparatus and methods for anchoring and orienting equipment in well casing |
Aug. 30, 2005 |
| 6923274 |
Retrievable pre-milled window with deflector |
Aug. 2, 2005 |
| 6915845 |
Re-enterable gravel pack system with inflate packer |
Jul. 12, 2005 |
| 6915855 |
Wellbore junction drifting apparatus and associated method |
Jul. 12, 2005 |
| 6910538 |
Whipstock collet latch |
Jun. 28, 2005 |
| 6896050 |
Latching system for maintaining position of component within a downhole drill string section |
May. 24, 2005 |
| 6883611 |
Sealed multilateral junction system |
Apr. 26, 2005 |
| 6880631 |
Whipstock casing milling system |
Apr. 19, 2005 |
| 6848504 |
Apparatus and method to complete a multilateral junction |
Feb. 1, 2005 |
| 6843314 |
Retrievable through-tubing whipstock apparatus having fluid-responsive pivotal anchoring members |
Jan. 18, 2005 |
| 6820690 |
Technique utilizing an insertion guide within a wellbore |
Nov. 23, 2004 |
| RE38642 |
Downhole equipment, tools and assembly procedures for the drilling, tie-in and completion of vertical cased oil wells connected to liner-equipped multiple drainholes |
Nov. 2, 2004 |
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