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Class Information
Number: 166/50
Name: Wells > Wells with lateral conduits
Description: Devices comprising a main vertical shaft and one or more conduits extending outwardly transversely into the formation for collecting fluid therefrom or inserting fluid thereinto.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7617891 |
Mechanical crawler |
Nov. 17, 2009 |
| 7610961 |
Downhole separation of oil and water |
Nov. 3, 2009 |
| 7604060 |
Gripper assembly for downhole tools |
Oct. 20, 2009 |
| 7584795 |
Sealed branch wellbore transition joint |
Sep. 8, 2009 |
| 7575050 |
Method and apparatus for a downhole excavation in a wellbore |
Aug. 18, 2009 |
| 7575052 |
In situ conversion process utilizing a closed loop heating system |
Aug. 18, 2009 |
| 7571765 |
Hydraulic open hole packer |
Aug. 11, 2009 |
| 7571771 |
Cavity well system |
Aug. 11, 2009 |
| 7562706 |
Systems and methods for producing hydrocarbons from tar sands formations |
Jul. 21, 2009 |
| 7513304 |
Method for drilling with improved fluid collection pattern |
Apr. 7, 2009 |
| 7513302 |
Apparatus for orienting a mule shoe to enter a previously-installed tubular in a lateral and method of use |
Apr. 7, 2009 |
| 7493951 |
Under-balanced directional drilling system |
Feb. 24, 2009 |
| 7493952 |
Oilfield enhanced in situ combustion process |
Feb. 24, 2009 |
| 7487835 |
Method of developing a re-entry into a parent wellbore from a lateral wellbore, and bottom hole assembly for milling |
Feb. 10, 2009 |
| 7451818 |
Method of reducing sand production from a wellbore |
Nov. 18, 2008 |
| 7451814 |
System and method for producing fluids from a subterranean formation |
Nov. 18, 2008 |
| 7445041 |
Method and system for extraction of hydrocarbons from oil shale |
Nov. 4, 2008 |
| 7413020 |
Full bore lined wellbores |
Aug. 19, 2008 |
| 7409993 |
Weight spacer apparatus |
Aug. 12, 2008 |
| 7401665 |
Apparatus and method for drilling a branch borehole from an oil well |
Jul. 22, 2008 |
| 7401652 |
Multi-perf fracturing process |
Jul. 22, 2008 |
| 7377322 |
Method and apparatus for cementing production tubing in a multilateral borehole |
May. 27, 2008 |
| 7373984 |
Lining well bore junctions |
May. 20, 2008 |
| 7370696 |
Wellbore system for producing fluid |
May. 13, 2008 |
| 7370701 |
Wellbore completion design to naturally separate water and solids from oil and gas |
May. 13, 2008 |
| 7360595 |
Method and system for underground treatment of materials |
Apr. 22, 2008 |
| 7357182 |
Method and apparatus for completing lateral channels from an existing oil or gas well |
Apr. 15, 2008 |
| 7353867 |
Whipstock assembly and method of manufacture |
Apr. 8, 2008 |
| 7353877 |
Accessing subterranean resources by formation collapse |
Apr. 8, 2008 |
| 7353878 |
Apparatus and method for wellbore isolation |
Apr. 8, 2008 |
| 7337846 |
Surface controlled subsurface lateral branch safety valve |
Mar. 4, 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 |
| 7328743 |
Toe-to-heel waterflooding with progressive blockage of the toe region |
Feb. 12, 2008 |
| 7320366 |
Assembly of downhole equipment in a wellbore |
Jan. 22, 2008 |
| 7318473 |
Methods relating to maintaining the structural integrity of deviated well bores |
Jan. 15, 2008 |
| 7311152 |
Gas operated pump for hydrocarbon wells |
Dec. 25, 2007 |
| 7303006 |
Method for improved vertical sweep of oil reservoirs |
Dec. 4, 2007 |
| 7299864 |
Adjustable window liner |
Nov. 27, 2007 |
| 7299878 |
High pressure multiple branch wellbore junction |
Nov. 27, 2007 |
| 7284614 |
Wellbore system for simultaneous drilling and production |
Oct. 23, 2007 |
| 7273109 |
Puller-thruster downhole tool |
Sep. 25, 2007 |
| 7270178 |
Horizontally oriented gas separator |
Sep. 18, 2007 |
| 7267175 |
Apparatus and methods for forming a lateral wellbore |
Sep. 11, 2007 |
| 7264048 |
Slot cavity |
Sep. 4, 2007 |
| 7258163 |
Method and system for production of gas and water from a coal seam using well bores with multiple branches during drilling and after drilling completion |
Aug. 21, 2007 |
| 7243738 |
Multi seam coal bed/methane dewatering and depressurizing production system |
Jul. 17, 2007 |
| 7234526 |
Method of forming a sealed wellbore intersection |
Jun. 26, 2007 |
| 7231979 |
Short radius whipstock system |
Jun. 19, 2007 |
| 7231980 |
Self orienting lateral junction system |
Jun. 19, 2007 |
| 7225875 |
Multi-layered wellbore junction |
Jun. 5, 2007 |
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