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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:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 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 |
| 7353867 |
Whipstock assembly and method of manufacture |
Apr. 8, 2008 |
| 7320366 |
Assembly of downhole equipment in a wellbore |
Jan. 22, 2008 |
| 7284607 |
System and technique for orienting and positioning a lateral string in a multilateral system |
Oct. 23, 2007 |
| 7284614 |
Wellbore system for simultaneous drilling and production |
Oct. 23, 2007 |
| 7261155 |
Cable side-entry sub with grease injection flow tubes |
Aug. 28, 2007 |
| 7258165 |
Hole opener and drillable casing guide and methods of use |
Aug. 21, 2007 |
| 7243738 |
Multi seam coal bed/methane dewatering and depressurizing production system |
Jul. 17, 2007 |
| 7240738 |
Self-orienting selectable locating collet and method for location within a wellbore |
Jul. 10, 2007 |
| 7231979 |
Short radius whipstock system |
Jun. 19, 2007 |
| 7228897 |
Cement through side pocket mandrel |
Jun. 12, 2007 |
| 7228909 |
One-way valve for a side pocket mandrel of a gas lift system |
Jun. 12, 2007 |
| 7225887 |
Method of drilling an ultra-short radius borehole |
Jun. 5, 2007 |
| 7213607 |
Mandrel for a gas lift valve |
May. 8, 2007 |
| 7213654 |
Apparatus and methods to complete wellbore junctions |
May. 8, 2007 |
| RE39509 |
Top entry sub arrangement |
Mar. 13, 2007 |
| 7168498 |
Side entry apparatus and method |
Jan. 30, 2007 |
| 7104332 |
Method and apparatus for creating a cemented lateral junction system |
Sep. 12, 2006 |
| 7104316 |
Tong positioning and alignment device |
Sep. 12, 2006 |
| 7077204 |
Whip retrieval method and apparatus |
Jul. 18, 2006 |
| 7066270 |
Multilateral reference point sleeve and method of orienting a tool |
Jun. 27, 2006 |
| 6968896 |
Orienting whipstock seat, and method for seating a whipstock |
Nov. 29, 2005 |
| 6935431 |
Well reference apparatus and method |
Aug. 30, 2005 |
| 6923275 |
Multi seam coal bed/methane dewatering and depressurizing production system |
Aug. 2, 2005 |
| 6910538 |
Whipstock collet latch |
Jun. 28, 2005 |
| 6899173 |
Small tubular window system |
May. 31, 2005 |
| 6868909 |
Drillable junction joint and method of use |
Mar. 22, 2005 |
| 6848504 |
Apparatus and method to complete a multilateral junction |
Feb. 1, 2005 |
| 6845817 |
Kick over tool for side pocket mandrel |
Jan. 25, 2005 |
| 6840320 |
Method and apparatus for forming an optimized window |
Jan. 11, 2005 |
| 6830106 |
Multilateral well completion apparatus and methods of use |
Dec. 14, 2004 |
| 6786282 |
Milling apparatus and method for a well |
Sep. 7, 2004 |
| 6761217 |
Downhole latch assembly and method of using the same |
Jul. 13, 2004 |
| 6755248 |
One trip through tubing window milling apparatus and method |
Jun. 29, 2004 |
| 6648068 |
One-trip milling system |
Nov. 18, 2003 |
| 6619400 |
Apparatus and method to complete a multilateral junction |
Sep. 16, 2003 |
| 6619402 |
System for enhancing fluid flow in a well |
Sep. 16, 2003 |
| 6568480 |
Orientation and locator system and method of use |
May. 27, 2003 |
| 6536531 |
Apparatus and methods for orientation of a tubular string in a non-vertical wellbore |
Mar. 25, 2003 |
| 6513589 |
Hydraulic switch device |
Feb. 4, 2003 |
| 6510898 |
Positioning assembly |
Jan. 28, 2003 |
| 6508311 |
Apparatus, system and method for installing and retrieving pipe in a well |
Jan. 21, 2003 |
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