Assignee
CDX GAS LLC
US69 patents
Top patents by PatentIndex Score
US6688388B2Feb 10, 2004
Method for accessing subterranean deposits from the surface
CDX GAS LLC103 citations99
US6679322B1Jan 20, 2004
Method and system for accessing subterranean deposits from the surface
CDX GAS LLC126 citations99
US6561288B2May 13, 2003
Method and system for accessing subterranean deposits from the surface
CDX GAS LLC79 citations99
US6439320B2Aug 27, 2002
Wellbore pattern for uniform access to subterranean deposits
CDX GAS LLC84 citations99
US6425448B1Jul 30, 2002
Method and system for accessing subterranean zones from a limited surface area
CDX GAS LLC119 citations99
US6357523B1Mar 19, 2002
Drainage pattern with intersecting wells drilled from surface
CDX GAS LLC140 citations99
US7178611B2Feb 20, 2007
System and method for directional drilling utilizing clutch assembly
CDX GAS LLC90 citations98
US6708764B2Mar 23, 2004
Undulating well bore
CDX GAS LLC87 citations98
US6681855B2Jan 27, 2004
Method and system for management of by-products from subterranean zones
CDX GAS LLC104 citations98
US6604580B2Aug 12, 2003
Method and system for accessing subterranean zones from a limited surface area
CDX GAS LLC85 citations98
US6604910B1Aug 12, 2003
Fluid controlled pumping system and method
CDX GAS LLC81 citations98
US6575235B2Jun 10, 2003
Subterranean drainage pattern
CDX GAS LLC86 citations98
US6454000B1Sep 24, 2002
Cavity well positioning system and method
CDX GAS LLC93 citations98
US6722452B1Apr 20, 2004
Pantograph underreamer
CDX GAS LLC93 citations97
US6595301B1Jul 22, 2003
Single-blade underreamer
CDX GAS LLC81 citations97
US6478085B2Nov 12, 2002
System for accessing subterranean deposits from the surface
CDX GAS LLC68 citations97
US7090009B2Aug 15, 2006
Three-dimensional well system for accessing subterranean zones
CDX GAS LLC37 citations96
US7048049B2May 23, 2006
Slant entry well system and method
CDX GAS LLC40 citations96
US7036584B2May 2, 2006
Method and system for accessing a subterranean zone from a limited surface area
CDX GAS LLC37 citations96
US7025137B2Apr 11, 2006
Three-dimensional well system for accessing subterranean zones
CDX GAS LLC41 citations96
US7025154B2Apr 11, 2006
Method and system for circulating fluid in a well system
CDX GAS LLC45 citations96
US6991047B2Jan 31, 2006
Wellbore sealing system and method
CDX GAS LLC57 citations96
US6991048B2Jan 31, 2006
Wellbore plug system and method
CDX GAS LLC61 citations96
US6988548B2Jan 24, 2006
Method and system for removing fluid from a subterranean zone using an enlarged cavity
CDX GAS LLC58 citations96
US6986388B2Jan 17, 2006
Method and system for accessing a subterranean zone from a limited surface area
CDX GAS LLC58 citations96
US6976533B2Dec 20, 2005
Method and system for accessing subterranean deposits from the surface
CDX GAS LLC38 citations96
US6942030B2Sep 13, 2005
Three-dimensional well system for accessing subterranean zones
CDX GAS LLC45 citations96
US6848508B2Feb 1, 2005
Slant entry well system and method
CDX GAS LLC58 citations96
US6732792B2May 11, 2004
Multi-well structure for accessing subterranean deposits
CDX GAS LLC53 citations96
US6725922B2Apr 27, 2004
Ramping well bores
CDX GAS LLC68 citations96
US6668918B2Dec 30, 2003
Method and system for accessing subterranean deposit from the surface
CDX GAS LLC58 citations96
US6662870B1Dec 16, 2003
Method and system for accessing subterranean deposits from a limited surface area
CDX GAS LLC67 citations96
US6598686B1Jul 29, 2003
Method and system for enhanced access to a subterranean zone
CDX GAS LLC74 citations96
US6591922B1Jul 15, 2003
Pantograph underreamer and method for forming a well bore cavity
CDX GAS LLC57 citations96
US6575255B1Jun 10, 2003
Pantograph underreamer
CDX GAS LLC59 citations96
US6497556B2Dec 24, 2002
Fluid level control for a downhole well pumping system
CDX GAS LLC77 citations96
US6412556B1Jul 2, 2002
Cavity positioning tool and method
CDX GAS LLC42 citations96
US6595302B1Jul 22, 2003
Multi-blade underreamer
CDX GAS LLC66 citations95
US7434620B1Oct 14, 2008
Cavity positioning tool and method
CDX GAS LLC16 citations93
US7353877B2Apr 8, 2008
Accessing subterranean resources by formation collapse
CDX GAS LLC30 citations93
US7311150B2Dec 25, 2007
Method and system for cleaning a well bore
CDX GAS LLC25 citations93
US7225872B2Jun 5, 2007
Perforating tubulars
CDX GAS LLC24 citations93
US7222670B2May 29, 2007
System and method for multiple wells from a common surface location
CDX GAS LLC36 citations93
US7213644B1May 8, 2007
Cavity positioning tool and method
CDX GAS LLC19 citations93
US7207395B2Apr 24, 2007
Method and system for testing a partially formed hydrocarbon well for evaluation and well planning refinement
CDX GAS LLC41 citations93
US7182157B2Feb 27, 2007
Enlarging well bores having tubing therein
CDX GAS LLC28 citations93
US6964308B1Nov 15, 2005
Method of drilling lateral wellbores from a slant well without utilizing a whipstock
CDX GAS LLC38 citations93
US6964298B2Nov 15, 2005
Method and system for accessing subterranean deposits from the surface
CDX GAS LLC38 citations93
US6962216B2Nov 8, 2005
Wedge activated underreamer
CDX GAS LLC27 citations93
US7360595B2Apr 22, 2008
Method and system for underground treatment of materials
CDX GAS LLC44 citations92
Showing the top 50 of 69 patents by PatentIndex Score.