| 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) |
|---|
| 09/12/2006 | US7104328 Method and apparatus for hydrating a gel for use in a subterranean well |
| 09/12/2006 | US7104327 Methods of fracturing high temperature subterranean zones and foamed fracturing fluids therefor |
| 09/12/2006 | US7104326 Apparatus and method for severing pipe utilizing a multi-point initiation explosive device |
| 09/12/2006 | US7104324 Intelligent well system and method |
| 09/12/2006 | US7104323 Spiral tubular tool and method |
| 09/12/2006 | US7104322 Open hole anchor and associated method |
| 09/12/2006 | US7104321 Downhole gas/liquid separator and method |
| 09/12/2006 | US7104320 Method of optimizing production of gas from subterranean formations |
| 09/12/2006 | US7104319 In situ thermal processing of a heavy oil diatomite formation |
| 09/12/2006 | US7104317 Expandable composition tubulars |
| 09/12/2006 | CA2444756C Improved expander tool for downhole use |
| 09/12/2006 | CA2395177C Controlling fluid flow in conduits |
| 09/12/2006 | CA2260333C Method for operating an active oil and gas production well using a pumping system |
| 09/12/2006 | CA2211366C Hole in the ground for transfer of geothermal energy to an energy-carrying liquid and a method for production of the hole |
| 09/12/2006 | CA2169895C Process and means for controlling a polyphasic pumping unit |
| 09/10/2006 | CA2500500A1 Mixing device for oil well fracturing fluid |
| 09/08/2006 | WO2006093941A2 Novel device and methods for firing perforating guns |
| 09/08/2006 | WO2006093863A2 Method and composition for forming protective precipitate on cement surfaces |
| 09/08/2006 | WO2006092628A1 Fracturing method providing simultaneous flow back |
| 09/08/2006 | WO2006092586A1 Methods of using partitioned, coated particulates |
| 09/08/2006 | WO2006092438A1 Use of water-soluble alkane sulfonic acids for increasing the permeability of underground petroliferous and/or gas-bearing carbonate rock formations and for dissolving carbonate contaminants and/or contaminants containing carbonates during petroleum production |
| 09/08/2006 | WO2005111371A3 Uncollapsed expandable wellbore junction |
| 09/08/2006 | CA2853815A1 Novel device and methods for firing perforating guns |
| 09/08/2006 | CA2599811A1 Novel device and methods for firing perforating guns |
| 09/08/2006 | CA2599211A1 Use of water-soluble alkane sulfonic acids for increasing the permeability of underground petroliferous and/or gas-bearing carbonate rock formations and for dissolving carbonate contaminants and/or contaminants containing carbonates during petroleum production |
| 09/07/2006 | US20060199742 Water-soluble, low substitution hydroxyethylcellulose, derivatives thereof, process of making, and uses thereof |
| 09/07/2006 | US20060196693 Perforating apparatus, firing assembly, and method |
| 09/07/2006 | US20060196679 Apparatus for radially expanding and plastically deforming a tubular member |
| 09/07/2006 | US20060196674 Artificial lift with additional gas assist |
| 09/07/2006 | US20060196668 Method, device and apparatus |
| 09/07/2006 | US20060196667 Fracturing method providing simultaneous flow back |
| 09/07/2006 | US20060196666 Contacting with an aqueous acid mixture of acetic acid and hydrofluoric acid to form the precipitate and flushing any remaining acid mixture from the surface; ammonium chloride preflush |
| 09/07/2006 | US20060196665 Novel device and methods for firing perforating guns |
| 09/07/2006 | US20060196664 Remote Power Management Method and System in a Downhole Network |
| 09/07/2006 | US20060196662 Methods and compositions for servicing fluids comprising derivatized cellulose gelling agents |
| 09/07/2006 | US20060196661 Methods relating to maintaining the structural integrity of deviated well bores |
| 09/07/2006 | US20060196660 System and Method for Completing a Subterranean Well |
| 09/07/2006 | US20060196659 Use of distributed temperature sensors during wellbore treatments |
| 09/07/2006 | US20060196655 Labyrinth seal for pumping system |
| 09/07/2006 | US20060196654 System for expanding a tubular element in a wellbore |
| 09/06/2006 | EP1509674B1 Modeling, simulation and comparison of models for wormhole formation during matrix stimulation of carbonates |
| 09/06/2006 | EP1412614B1 Shear-sensitive plugging fluid for plugging and a method for plugging a subterranean formation zone |
| 09/06/2006 | CN2813889Y Oil well variable frequency efficient electromagnetic heating apparatus |
| 09/06/2006 | CN2813888Y Sand control well sectional oil producing pipe column |
| 09/06/2006 | CN2813887Y T type electric control beam pumping unit |
| 09/06/2006 | CN2813884Y Sand settling oil drainage drip |
| 09/06/2006 | CN1829852A System for sealing a space in a wellbore |
| 09/06/2006 | CN1828055A Overground double extraction power arrangement method and double extraction power system |
| 09/06/2006 | CN1828010A Multi-block equal-fluidity energy-gathering parallel synchronous oil displacement method for heterogeneous oil reservoir |
| 09/06/2006 | CN1828009A Overground gathering and transporting system for petroleum exploitation and method thereof |
| 09/05/2006 | US7103521 Method and device for neutralizing, by controlled gas injection, the formation of liquid slugs at the foot of a riser connected to a multiphase fluid transport pipe |
| 09/05/2006 | US7102745 Automated optical inspection of wire-wrapped well screens |
| 09/05/2006 | US7101156 Method and apparatus for controlling a pumping unit |
| 09/05/2006 | US7100994 injecting a heated fluid into the well bore, producing a second fluid from the formation, conducting an in situ conversion process in the selected section. |
| 09/05/2006 | US7100695 Gas recovery apparatus, method and cycle having a three chamber evacuation phase and two liquid extraction phases for improved natural gas production |
| 09/05/2006 | US7100693 Process for pressure stimulating a well bore through a template |
| 09/05/2006 | US7100692 Tertiary oil recovery combined with gas conversion process |
| 09/05/2006 | US7100691 Methods and apparatus for completing wells |
| 09/05/2006 | US7100690 Gravel packing apparatus having an integrated sensor and method for use of same |
| 09/05/2006 | US7100688 Fracture monitoring using pressure-frequency analysis |
| 09/05/2006 | US7100687 Multi-purpose well bores and method for accessing a subterranean zone from the surface |
| 09/05/2006 | US7100686 Controlled-pressure drop liner |
| 09/05/2006 | US7100685 Mono-diameter wellbore casing |
| 09/05/2006 | US7100684 Liner hanger with standoffs |
| 09/05/2006 | US7100683 In-well aeration device |
| 09/05/2006 | CA2491444C Method and apparatus for remote control of multilateral wells |
| 09/05/2006 | CA2453729C Expandable sealing apparatus for wellbores |
| 09/05/2006 | CA2452798C Reinforced swelling elastomer seal element on expandable tubular |
| 09/05/2006 | CA2414449C Liner hanger with slip joint sealing members |
| 09/05/2006 | CA2249047C Composite rollers for continuous-belt drilling mud separation unit |
| 09/05/2006 | CA2238588C System and method for connecting together two assemblies which can move one with respect to the other, especially in underwater installations |
| 09/05/2006 | CA2192390C Process and device for raising liquids from wells |
| 09/03/2006 | CA2538536A1 Tubular slug reducer |
| 08/31/2006 | WO2006091784A2 Multple port cross-over design for frac pack erosion mititgation |
| 08/31/2006 | WO2006091634A2 Gas lift plunger arrangement |
| 08/31/2006 | WO2006090338A1 Shaped charge assembly and method of damaging a target |
| 08/31/2006 | WO2006090168A1 Valve |
| 08/31/2006 | WO2006090115A1 Methods and compositions for the in-situ thermal stimulation of hydrocarbons using peroxide-generating compounds |
| 08/31/2006 | WO2006090102A1 Subsea tanker hydrocarbon production system |
| 08/31/2006 | WO2006052144A3 Means for transferring electric power in a turret-moored vessel and method of assembly |
| 08/31/2006 | WO2006024795A3 Method for treating underground formations or cavities with microgels |
| 08/31/2006 | WO2005113934A3 Installation tool for oil and grease seals |
| 08/31/2006 | US20060191691 Expander system for stepwise expansion of a tubular element |
| 08/31/2006 | US20060191688 Multilateral reference point |
| 08/31/2006 | US20060191686 by introducing a peroxide-generating compound (H2O2)) and a moderator into a desired location in a subterranean formation; no premature decomposition of peroxide |
| 08/31/2006 | US20060191685 Multiple port cross-over design for frac-pack erosion mitigation |
| 08/31/2006 | US20060191684 Assembly for determining thermal properties of a formation while drilling or perforating |
| 08/31/2006 | US20060191680 Metal-to-metal seal for bridging hanger or tieback connection |
| 08/31/2006 | DE112004001941T5 Verfahren zum Verbessern der Perforationseffektivität unter Verwendung eines Ladungsperforators A method for improving the Perforationseffektivität using a Ladungsperforators |
| 08/31/2006 | CA2807835A1 Method and apparatus for stimulating wells with propellants |
| 08/31/2006 | CA2598981A1 Shaped charge assembly and method of damaging a target |
| 08/31/2006 | CA2598941A1 Methods and compositions for the in-situ thermal stimulation of hydrocarbons using peroxide-generating compounds |
| 08/31/2006 | CA2598685A1 Gas lift plunger arrangement |
| 08/30/2006 | EP1695003A1 Combined storage facility for co2 and natural gas |
| 08/30/2006 | EP1332276B1 Flow controller with downhole pumping system |
| 08/30/2006 | CN2811629Y Big flow submersible pump |
| 08/30/2006 | CN2811599Y Hydraulic self-sealing plunger oil-well pump |
| 08/30/2006 | CN2811595Y Modular upper seal holder for protector of electric submersible pump |
| 08/30/2006 | CN2811594Y Oil-well pump capable of pumping oil and water |
| 08/30/2006 | CN2811565Y Detachable profiled seal head with big hole |