| Patents for E21B 43 - Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells (64,186) |
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| 06/10/2008 | US7384892 Water-based drilling fluids |
| 06/10/2008 | US7383958 Desanding apparatus and system |
| 06/10/2008 | US7383896 Impact excavation system and method with particle separation |
| 06/10/2008 | US7383889 Mono diameter wellbore casing |
| 06/10/2008 | US7383888 Expansion pig |
| 06/10/2008 | US7383886 Device and a method for selective control of fluid flow between a well and surrounding rocks |
| 06/10/2008 | US7383884 Cross-over tool |
| 06/10/2008 | US7383882 Interactive and/or secure activation of a tool |
| 06/10/2008 | US7383877 Temperature limited heaters with thermally conductive fluid used to heat subsurface formations |
| 06/10/2008 | CA2559815C Packer apparatus with annular check valve |
| 06/10/2008 | CA2535882C Apparatus and methods for preventing or limiting rotation of cementing plugs |
| 06/10/2008 | CA2468936C Methods and compositions for sealing an expandable tubular in a wellbore |
| 06/10/2008 | CA2461297C Viscous well treating fluids and methods |
| 06/10/2008 | CA2445782C Tie back for use with expandable tubulars |
| 06/10/2008 | CA2348559C Method for transporting and installing an expandable steel tubular |
| 06/10/2008 | CA2292954C Defoaming compositions and methods |
| 06/08/2008 | CA2570719A1 Heated separation system for well fluids |
| 06/07/2008 | CA2570613A1 Insulating method and ducting configuration |
| 06/06/2008 | CA2612500A1 Thermally activated well perforating safety system |
| 06/05/2008 | WO2008067154A2 Expandable wellbore liner |
| 06/05/2008 | WO2008067138A1 Multi-component aqueous gel solution for control of delayed gelation timing and for resulting gel properties |
| 06/05/2008 | WO2008066986A2 Wireless perforating gun |
| 06/05/2008 | WO2008066918A1 Scale squeeze treatment methods and systems |
| 06/05/2008 | WO2008064452A1 Downhole drilling compositions and methods of preparation |
| 06/05/2008 | WO2007126496A3 Wellbore method and apparatus for sand and inflow control during well operations |
| 06/05/2008 | WO2007021181A9 Hydrocyclone |
| 06/05/2008 | WO2006093863A3 Method and composition for forming protective precipitate on cement surfaces |
| 06/05/2008 | US20080128138 Riser lifecycle management system, program product, and related methods |
| 06/05/2008 | US20080128132 Well perforating and fractuing |
| 06/05/2008 | US20080128131 Methods for enhancing fracture conductivity in subterranean formations |
| 06/05/2008 | US20080128130 System and Method for Facilitating Downhole Operations |
| 06/05/2008 | US20080128129 Gravel packing methods |
| 06/05/2008 | US20080128125 System and method for reducing resistance to flow in liquid reservoir extraction |
| 06/05/2008 | US20080128124 Pumping and Repairing Unit |
| 06/05/2008 | CA2707098A1 Multi-component aqueous gel solution for control of delayed gelation timing and for resulting gel properties |
| 06/05/2008 | CA2670053A1 Downhole drilling compositions and methods of preparation |
| 06/05/2008 | CA2653316A1 Perforating system comprising an energetic material |
| 06/04/2008 | EP1926885A1 Method of producing a hydrocarbon stream from a subterranean zone |
| 06/04/2008 | EP1926884A2 Sub-surface deployment valve |
| 06/04/2008 | EP1458908B1 A tubular member having an anti-galling coating |
| 06/04/2008 | CN201068858Y Simplified type oil-submersible electric screw pump |
| 06/04/2008 | CN201068855Y Oil pumping machine braking failure prevention device |
| 06/04/2008 | CN201068853Y Mutually stimulated reversing piston oil extraction units |
| 06/04/2008 | CN201068794Y Down-hole data wireless exchange set |
| 06/04/2008 | CN201068792Y Corrugated settling cup and multi-cup iso-flow rate anchor |
| 06/04/2008 | CN201068791Y Gas-tight sand-setting device |
| 06/04/2008 | CN201068790Y Self locking type locating pin |
| 06/04/2008 | CN201068789Y Fracturing sand-proof filling tool |
| 06/04/2008 | CN201068788Y Throttling water-distributing device |
| 06/04/2008 | CN201068787Y Down-hole distributor |
| 06/04/2008 | CN201068786Y Beam type hydraulic energy-saving oil pump |
| 06/04/2008 | CN201068785Y Beam type oil pumping machine mule head pin mounter |
| 06/04/2008 | CN201068784Y Composite pipes column type rod-free gas production oil extraction device |
| 06/04/2008 | CN201068779Y Eccentric center water-dispensing packer |
| 06/04/2008 | CN201068749Y Circulative sieve tube hanger |
| 06/04/2008 | CN101191483A Heavy spherical pump with double oil filling |
| 06/04/2008 | CN101191412A Direct current reversing chain reciprocal reciprocating oil pumping method |
| 06/04/2008 | CN101191411A Antiseptic sand-proof underground pumping unit |
| 06/04/2008 | CN101191407A Well drilling method for shallow layer thick oil branching well |
| 06/04/2008 | CN101191406A Method for drilling ultra-shallow layer thick oil horizontal well by using vertical well drilling machine drill |
| 06/04/2008 | CN100392309C Method for making a sealed tubular joint with plastic expansion |
| 06/04/2008 | CN100392206C Methods of treating a subterranean formation to convert organic matter into producible hydrocarbons |
| 06/03/2008 | US7381689 Methods for inhibiting hydrate blockage in oil and gas pipelines using amide compounds |
| 06/03/2008 | US7380839 Sealing expandable tubing |
| 06/03/2008 | US7380608 Pumping water from a natural gas well |
| 06/03/2008 | US7380606 Composition and process for well cleaning |
| 06/03/2008 | US7380602 Composition and method for treating a subterranean formation |
| 06/03/2008 | US7380601 Degradable fiber systems for stimulation |
| 06/03/2008 | US7380600 Degradable material assisted diversion or isolation |
| 06/03/2008 | US7380597 Deployment of underground sensors |
| 06/03/2008 | US7380595 System and method to deploy and expand tubular components deployed through tubing |
| 06/03/2008 | US7380594 Method of installing a tubular assembly in a wellbore |
| 06/03/2008 | US7380593 Expandable tubes with overlapping end portions |
| 06/03/2008 | CA2521022C Method and system for extraction of resources from a subterranean well bore |
| 06/03/2008 | CA2519325C Methods and apparatus for expanding tubular strings and isolating subterranean zones |
| 06/03/2008 | CA2517208C Apparatus for radially expanding and plastically deforming a tubular member |
| 06/03/2008 | CA2498437C Method for increasing the reaction efficiency of acetic and/or formic acid |
| 06/03/2008 | CA2475957C Multi-point high pressure seal for expandable tubular connections |
| 06/03/2008 | CA2469068C Modular liner hanger |
| 06/03/2008 | CA2458838C Method and system for lining multilateral wells |
| 06/03/2008 | CA2396291C Method of drilling a bore hole |
| 06/03/2008 | CA2371113C Pump systems and methods |
| 06/03/2008 | CA2355798C Method of casing multilateral wells and associated apparatus |
| 06/03/2008 | CA2347354C Conveyor apparatus |
| 06/03/2008 | CA2304687C Apparatus and method for installing a branch junction from a main well |
| 05/29/2008 | WO2008063947A1 Valve for equalizer sand screens |
| 05/29/2008 | WO2008063239A1 Method for extraction of hydrocarbons from limestone formations |
| 05/29/2008 | WO2008063080A1 A connector means |
| 05/29/2008 | WO2008063074A1 Flotation device |
| 05/29/2008 | WO2008061969A1 Method of radially expanding a tubular element |
| 05/29/2008 | WO2008035194A3 A method and an apparatus for cold start of a subsea production system |
| 05/29/2008 | WO2008032196A3 Downhole fluid analysis for production logging |
| 05/29/2008 | WO2008007324A3 Methods and systems for monitoring fluid placement during stimulation treatments |
| 05/29/2008 | WO2007072173B1 Method and system for monitoring the incursion of particulate material into a well casing within hydrocarbon bearing formations including gas hydrates |
| 05/29/2008 | US20080122286 Recovery of bitumen by hydraulic excavation |
| 05/29/2008 | US20080122182 Progressive cavity pump (pcp) drive head stuffing box with split seal |
| 05/29/2008 | US20080121399 Method and system for accessing subterranean deposits from the surface |
| 05/29/2008 | US20080121398 Method of Acidizing a Subterranean Formation with Diverting Foam or Fluid |
| 05/29/2008 | US20080121397 Method Of Injecting Lift Gas Into A Production Tubing Of An Oil Well And Gas Lift Flow Control Device For Use In The Method |
| 05/29/2008 | US20080121396 Completion apparatus and methods for use in hydrocarbon wells |