| 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) |
|---|
| 03/10/2005 | US20050053473 Well jet device for testing and studying formations and the operating method thereof |
| 03/10/2005 | US20050051343 Apparatus for facilitating the connection of tubulars using a top drive |
| 03/10/2005 | US20050051342 Liner running system and method |
| 03/10/2005 | US20050051340 Downhole draw down pump and method |
| 03/10/2005 | US20050051332 Methods for enhancing the consolidation strength of resin coated particulates |
| 03/10/2005 | US20050051331 Reducing number and prevent migration of particles; preflushing with aqueous solution containing surfactant; noncatalytic reaction |
| 03/10/2005 | US20050051328 Injecting air into formation; igniting the coal; driving fire from well bore by injecting cooling media; extinguishing the fire |
| 03/10/2005 | US20050051327 Thermal processes for subsurface formations |
| 03/10/2005 | US20050051326 Method for making wells for removing fluid from a desired subterranean |
| 03/10/2005 | CA2536623A1 A method of radially expanding and plastically deforming tubular members |
| 03/09/2005 | EP1511957A1 Connector for expandable downhole tubulars |
| 03/09/2005 | EP1511912A2 Downhole tool deployment safety system and methods |
| 03/09/2005 | EP1511619A2 Particulate material having multiple curable coatings and methods for making and using same |
| 03/09/2005 | EP1268975B1 Sand removal and device retrieval tool |
| 03/09/2005 | EP1204806B1 Floating support comprising a central cavity including a plurality of sections |
| 03/09/2005 | EP1082515B1 Offshore drilling system |
| 03/09/2005 | CN2683945Y Shaft end sealing device of horizontal oil submersible pump |
| 03/09/2005 | CN2683896Y Automatic intermittent pumping wireless group control device of pumping unit |
| 03/09/2005 | CN2683847Y Eccentric water distributor capable of checking sealing of pouring-stop layer without pulling out blanking plug |
| 03/09/2005 | CN2683846Y Pipe column desilting equipment |
| 03/09/2005 | CN2683845Y Double working head full balanced type pumping unit |
| 03/09/2005 | CN2683844Y Gear wheel reversing long stroke pumping unit |
| 03/09/2005 | CN2683843Y Arc rolling balanced walking beam type pumping unit |
| 03/09/2005 | CN1590767A Well drilling pump piston |
| 03/09/2005 | CN1590704A Undergroud gasification surface over dip fault technology |
| 03/08/2005 | US6863131 Expandable screen with auxiliary conduit |
| 03/08/2005 | US6863130 Multi-layer deformable composite construction for use in a subterranean well |
| 03/08/2005 | US6863128 Method of predicting friction pressure drop of proppant-laden slurries using surface pressure data |
| 03/08/2005 | US6863127 System and method for making an opening in a subsurface tubular for reservoir monitoring |
| 03/08/2005 | US6863126 Alternate path multilayer production/injection |
| 03/08/2005 | US6863125 Device for flow and liftgas production of oil-wells (versions) |
| 03/08/2005 | US6863124 Sealed ESP motor system |
| 03/08/2005 | CA2353900C Closed loop chemical injection and monitoring system for oilfield operations |
| 03/03/2005 | WO2005019599A1 Methods of drilling and consolidating subterranean formation particulates |
| 03/03/2005 | WO2005019484A2 Charging material for producing refractory high-strength spherical granules and method for the production thereof |
| 03/03/2005 | WO2005018300A2 Alkylxylene sulfonates for enhanced oil recovery processes |
| 03/03/2005 | WO2004044367A3 Drilling and producing deep water subsea wells |
| 03/03/2005 | WO2004023014A3 Threaded connection for expandable tubulars |
| 03/03/2005 | US20050049151 Methods for controlling migration of particulates in a subterranean formation |
| 03/03/2005 | US20050047926 Artificial lift with additional gas assist |
| 03/03/2005 | US20050045384 Methods of drilling and consolidating subterranean formation particulate |
| 03/03/2005 | US20050045342 Apparatus and method for completing a wellbore |
| 03/03/2005 | US20050045341 Radial expansion of tubular members |
| 03/03/2005 | US20050045340 Method of forming a bore |
| 03/03/2005 | US20050045336 Propellant treatment and continuous foam removal of well debris |
| 03/03/2005 | US20050045334 Propellant treatment and continuous foam removal of well debris |
| 03/03/2005 | US20050045333 Bearing assembly for a progressive cavity pump and system for liquid lower zone disposal |
| 03/03/2005 | US20050045332 Wellbore pumping with improved temperature performance |
| 03/03/2005 | US20050045331 Secure activation of a downhole device |
| 03/03/2005 | US20050045329 Intelligent well system and method |
| 03/03/2005 | US20050045328 Orthoester compositions and methods for reducing the viscosified treatment fluids |
| 03/03/2005 | US20050045327 Gravel packing a well |
| 03/03/2005 | US20050045325 Array of wells with connected permeable zones for hydrocarbon recovery |
| 03/03/2005 | US20050045324 Radial expansion of tubular members |
| 03/03/2005 | US20050045323 Pump drive head with stuffing box |
| 03/03/2005 | US20050044690 Well screen cover |
| 03/03/2005 | CA2573540A1 Alkylxylene sulfonates for enhanced oil recovery processes |
| 03/03/2005 | CA2479478A1 Gravel packing a well |
| 03/02/2005 | EP1510651A2 Method and apparatus for expanding a liner patch |
| 03/02/2005 | EP1510650A2 Downhole surge pressure reduction and filtering apparatus |
| 03/02/2005 | EP1509676A1 Use of surface-modified nanoparticles for oil recovery |
| 03/02/2005 | EP1509675A1 Method for construction and completion of injection wells |
| 03/02/2005 | EP1509674A1 Modeling, simulation and comparison of models for wormhole formation during matrix stimulation of carbonates |
| 03/02/2005 | EP1389260B1 Radially expandable tubular with supported end portion |
| 03/02/2005 | EP1264073B1 Downhole surge pressure reduction and filtering apparatus |
| 03/02/2005 | CN2682201Y Device for separating and collecting ground reverse direction flow |
| 03/02/2005 | CN2682200Y Throwing rod unblocking automatic negative pressure detonating device |
| 03/02/2005 | CN2682199Y Multistage pulse type deep penetration perforator |
| 03/02/2005 | CN2682198Y Apparatus for multiple-level successive perforating |
| 03/02/2005 | CN1588790A Electric control energy saving device for oil pump unit |
| 03/02/2005 | CN1588260A Water source heat pump well water flow energy saving automatic cotnroller |
| 03/02/2005 | CN1587861A Well head system for geothermal tertiary system sandstone recharge |
| 03/02/2005 | CN1587751A Rotary positive displacement hydraulic device and hydraulic driving type petroleum production oil pump |
| 03/02/2005 | CN1587709A Strong anti-thickening anti-sand hydraulic feedback oil pump with long plug ring seal and oil inlet sand deposition path |
| 03/02/2005 | CN1587708A Plunger type oil pump driven by linear motor |
| 03/02/2005 | CN1587707A Hydraulic oil pump |
| 03/02/2005 | CN1587706A Rodless hydraulic oil pumping system |
| 03/02/2005 | CN1587639A Rod type liquid lift device |
| 03/02/2005 | CN1587341A Process for improving raw oil productive rate by high dense polymer flooding |
| 03/01/2005 | US6860921 Method and apparatus for separating liquid from a multi-phase liquid/gas stream |
| 03/01/2005 | US6860420 Method of joining metal oilfield tubulars and well provided therewith |
| 03/01/2005 | US6860329 Apparatus for and method of including a packer to facilitate anchoring a first conduit to a second conduit |
| 03/01/2005 | US6860328 Method for selectively positioning proppants in high contrast permeability formations to enhance hydrocarbon recovery |
| 03/01/2005 | US6860325 Downhole flow meter |
| 03/01/2005 | US6860147 Process for predicting porosity and permeability of a coal bed |
| 03/01/2005 | CA2468602A1 A method of forming a bore |
| 03/01/2005 | CA2377631C Pc pump inlet backwash method and apparatus |
| 03/01/2005 | CA2367650C Apparatus comprising expandable bistable tubulars and methods for their use in wellbores |
| 03/01/2005 | CA2344331C Device and method for eliminating severe slugging in multiphase-stream flow lines |
| 02/28/2005 | CA2438640A1 Propellant treatment and continuous foam removal of well debris |
| 02/24/2005 | WO2005017465A2 Apparatus and method for creating a vortex flow |
| 02/24/2005 | WO2005017354A2 Portable, surface-mounted well pump |
| 02/24/2005 | WO2005017313A1 Compositions and methods for controlling the release of chemicals placed on particulates |
| 02/24/2005 | WO2005017312A1 Apparatus and method for monitoring a treatment process in a production interval |
| 02/24/2005 | WO2005017311A1 Methods for fracturing stimulation |
| 02/24/2005 | WO2005017303A2 Expandable tubular |
| 02/24/2005 | WO2005017299A2 Pump for tail production of oil |
| 02/24/2005 | WO2004094770A3 Downhole pump |
| 02/24/2005 | WO2004083590A3 Method and apparatus for drilling a borehole with a borehole liner |
| 02/24/2005 | WO2004026500B1 Self-lubricating expansion mandrel for expandable tubular |