| 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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| 07/12/2006 | EP1679424A2 Integrated reservoir optimization |
| 07/12/2006 | EP1678435A1 Guide tube for a flexible duct for transporting hydrocarbons |
| 07/12/2006 | EP1678408A2 Three in one combined power unit for nitrogen system, fluid system, and coiled tubing system |
| 07/12/2006 | EP1373680B1 Method of well treatment |
| 07/12/2006 | EP1366269B1 Improved electron transfer agents in well acidizing compositions and methods |
| 07/12/2006 | EP1257729B1 Foaming agents for use in coal seam reservoirs |
| 07/12/2006 | CN2795489Y inflating type protective base for well pump |
| 07/12/2006 | CN2795441Y Multiple stage rotary start type oil, gas and sand separator |
| 07/12/2006 | CN2795440Y Concentric integrated negative over surplus internal fishing type liquid distributor |
| 07/12/2006 | CN1800673A Energy saving method for pumping unit |
| 07/12/2006 | CN1263940C Fracturing different levels within completion interval of well |
| 07/12/2006 | CN1263939C Method for treating hydrocarbon-containing formation |
| 07/12/2006 | CN1263938C Method for treating hydrocarbon-containing formation |
| 07/12/2006 | CN1263827C Integrated bitumen production and gas conversion |
| 07/12/2006 | CA2715597A1 Method of stimulating oil and gas wells using deformable proppants |
| 07/11/2006 | US7075454 Power generation using batteries with reconfigurable discharge |
| 07/11/2006 | US7073601 Profiled encapsulation for use with instrumented expandable tubular completions |
| 07/11/2006 | US7073600 Sealed multilateral junction system |
| 07/11/2006 | US7073599 Monobore wellbore and method for completing same |
| 07/11/2006 | US7073597 Downhole draw down pump and method |
| 07/11/2006 | US7073595 Method and system for controlling pressure in a dual well system |
| 07/11/2006 | US7073594 Wireless downhole well interval inflow and injection control |
| 07/11/2006 | US7073593 Method of drilling and operating a subsea well |
| 07/11/2006 | US7073589 System for fracturing wells using supplemental longer-burning propellants |
| 07/11/2006 | US7073588 Using an acidic treatment fluid containing an acidic fluid and at least one esterquat with the formula : {R(4-m)N+ [(CH2)n O C(O)}p R']m pX-, (R and R'= alkyl, aryl or alkylaryl, X= anion, m=1 to 3, p= at least 1, n=1,6 ) in a subterranean treatment operation to inhibit metal corrosion |
| 07/11/2006 | US7073587 System for increasing productivity of oil, gas and hydrogeological wells |
| 07/11/2006 | US7073586 Contacting oil or gas formation in a sequence with an aqueous solution, a hydrocarbon fluid, a glycol ether solvent, an epoxy resin derived from bisphenols, or a poly phenolic resin (novolac resins) in a glycol ether solvent, and then with a polyamine curing agent |
| 07/11/2006 | US7073583 Method and apparatus for expanding tubing downhole |
| 07/11/2006 | US7073581 Electroconductive proppant compositions and related methods |
| 07/11/2006 | US7073579 Methods of downhole testing subterranean formations and associated apparatus therefor |
| 07/11/2006 | US7073578 Staged and/or patterned heating during in situ thermal processing of a hydrocarbon containing formation |
| 07/11/2006 | US7073577 Array of wells with connected permeable zones for hydrocarbon recovery |
| 07/11/2006 | CA2405775C Downhole flow meter |
| 07/11/2006 | CA2367859C Expandable sand screen and methods for use |
| 07/11/2006 | CA2269710C Dual pump gravity separation system |
| 07/11/2006 | CA2252944C Closed loop fluid-handling system for use during drilling of wellbores |
| 07/11/2006 | CA2252728C Method and apparatus for remote control of multilateral wells |
| 07/11/2006 | CA2209224C Method of creating a casing in a borehole |
| 07/06/2006 | WO2006053248A3 Method and apparatus for jet-fluid abrasive cutting |
| 07/06/2006 | US20060148659 Fracturing fluids containing borate esters as crosslinking agents |
| 07/06/2006 | US20060148658 Compositions for reducing the viscosity of treatment fluids |
| 07/06/2006 | US20060147273 Method |
| 07/06/2006 | US20060144597 Well production optimizing system |
| 07/06/2006 | US20060144596 Well screen |
| 07/06/2006 | US20060144595 Remote delivery of latex drag-reducing agent |
| 07/06/2006 | US20060144593 Methods of sequentially injecting different sealant compositions into a wellbore to improve zonal isolation |
| 07/06/2006 | US20060144592 used in subterranean formation; well completing, drilling well bores or fracturing; fluids comprising gelling agents, oxidizers and activators comprising transition metals and proteins |
| 07/06/2006 | US20060144590 Multiple Zone Completion System |
| 07/06/2006 | US20060144589 Downhole separation of oil and water |
| 07/06/2006 | US20060144587 Interpretation and design of hydraulic fracturing treatments |
| 07/06/2006 | CA2784248A1 Thermoset nanocomposite particles, processing for their production, and their use in oil and natural gas drilling applications |
| 07/06/2006 | CA2531008A1 Methods for reducing the viscosity of treatment fluids |
| 07/06/2006 | CA2531004A1 Compositions for reducing the viscosity of treatment fluids |
| 07/05/2006 | EP1676033A1 Fluid phase distribution adjuster |
| 07/05/2006 | EP1675768A2 Method and device for recovering petroleum from a tank disposed on a sea bed, particularly a wreck |
| 07/05/2006 | EP1583887B8 Method and device for intensifying the permeability of ground layers close to bore holes and filter bodies and filter layers in wells and other production wells |
| 07/05/2006 | EP1534925B1 Combined casing expansion / casing while drilling method and apparatus |
| 07/05/2006 | CN2793320Y Slag depositing cylinder |
| 07/05/2006 | CN2793319Y High-pressure condensate gas separator |
| 07/05/2006 | CN2793318Y High-efficient and impacting natural gas dewatering device |
| 07/05/2006 | CN2793317Y Parameter-variable window maker of oil well |
| 07/05/2006 | CN2793316Y Plasma composite screen pipe with cut gaps as sandproof pipe |
| 07/05/2006 | CN2793315Y Crank handle pin fallen monitor of pumping unit |
| 07/05/2006 | CN2793314Y Impacting oil discharging device |
| 07/05/2006 | CN2793308Y Self-vibrating oil increaser of pumping unit |
| 07/05/2006 | CN2793301Y Cracking oil pipe hanger |
| 07/05/2006 | CN2793288Y Branched double-pipe guider under well |
| 07/05/2006 | CN1798902A Method and apparatus for penetrating subsurface formations |
| 07/05/2006 | CN1798901A Downhole pump |
| 07/05/2006 | CN1797410A Method for implementing complete system of oil diving electric pump |
| 07/05/2006 | CN1262735C Process for gasifying underground coal |
| 07/04/2006 | US7070001 Expandable sealing apparatus |
| 07/04/2006 | US7070000 Sealed multilateral junction system |
| 07/04/2006 | US7069997 Valve cage insert |
| 07/04/2006 | US7069996 Completion of lateral well bores |
| 07/04/2006 | US7069994 Method for hydraulic fracturing with squeeze pressure |
| 07/04/2006 | US7069993 Down hole oil and gas well heating system and method for down hole heating of oil and gas wells |
| 07/04/2006 | US7069992 Mono-trip cement thru completion |
| 07/04/2006 | US7069991 Method and apparatus for surge pressure reduction in a tool with fluid motivator |
| 07/04/2006 | US7069990 Enhanced oil recovery methods |
| 07/04/2006 | US7069989 Method of increasing productivity and recovery of wells in oil and gas fields |
| 07/04/2006 | US7069988 Flow completion system |
| 07/04/2006 | US7069987 Casing adapter tool for well servicing |
| 07/04/2006 | US7069986 Portable, surface-mounted well pump |
| 07/04/2006 | US7069985 Leakage resistant shroud hanger |
| 07/04/2006 | US7069776 Method for measuring particle concentration during injection pumping operations |
| 07/04/2006 | US7069657 Method to reduce the width of a slot in a pipe or tube |
| 07/04/2006 | CA2452907C Expansion assembly for a tubular expander tool, and method of tubular expansion |
| 07/04/2006 | CA2428479C Apparatus and methods for separating and joining tubulars in a wellbore |
| 07/04/2006 | CA2357887C Method of adapting a downhole multi-phase twin screw pump for use in wells having a high gas content and a downhole multi-phase twin screw pump |
| 07/04/2006 | CA2331915C Rod hanger and clamp assembly |
| 07/04/2006 | CA2296357C Methods for deposition of materials in underground reservoirs |
| 07/04/2006 | CA2236047C Deviated borehole drilling assembly |
| 07/04/2006 | CA2229487C Through-tubing lateral re-entry |
| 06/29/2006 | WO2006069239A1 Method and system for producing a reservoir through a boundary layer |
| 06/29/2006 | WO2006069177A2 Accessing subterranean resources by formation collapse |
| 06/29/2006 | WO2006069088A1 Method and system for cleaning a well bore |
| 06/29/2006 | WO2006067151A1 Controlling the flow of a multiphase fluid from a well |
| 06/29/2006 | WO2006067105A1 Method, system, controller and computer program product for controlling the flow of a multiphase fluid |
| 06/29/2006 | WO2006029019A3 Method of removing an invert emulsion filter cake after the drilling process using a single phase microemulsion |