| 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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| 08/25/2005 | US20050184083 Remote actuator for ball injector |
| 08/25/2005 | US20050183891 Tool and method for drilling, reaming, and cutting |
| 08/25/2005 | US20050183864 Centraliser |
| 08/25/2005 | US20050183863 Method of coupling a tubular member to a preexisting structure |
| 08/25/2005 | US20050183860 Wireline coupler |
| 08/25/2005 | US20050183859 System and method for enhancing permeability of a subterranean zone at a horizontal well bore |
| 08/25/2005 | US20050183858 Means and method for assessing the geometry of a subterranean fracture during or after a hydraulic fracturing treatment |
| 08/25/2005 | US20050183741 Methods of cleaning and cutting using jetted fluids |
| 08/25/2005 | DE102005004353A1 Unterwasser-Installationsvorrichtung Underwater installation device |
| 08/25/2005 | CA2554237A1 Suppressing fluid communication to or from a wellbore |
| 08/25/2005 | CA2547974A1 Annulus plugging detection using a pressure transmitter in gas-lift oil production |
| 08/24/2005 | EP1565644A1 Well treating process and system |
| 08/24/2005 | EP1278934B1 Tubing hanger system with gate valve |
| 08/24/2005 | CN2720156Y Hydraulic driven oil-production screw pump |
| 08/24/2005 | CN2720155Y Tower-type oil pump |
| 08/24/2005 | CN2720154Y Chain jointing device for oil pump |
| 08/24/2005 | CN2720147Y Rod free oil-production system equipment |
| 08/24/2005 | CN2720113Y Synergetic perforation gun-bullet rack assembly for horizontal well |
| 08/24/2005 | CN2720112Y Equi-diameter yarn-wound filter sand tube |
| 08/24/2005 | CN2720111Y Balancing additional-weight device of linear motor driven oil pump |
| 08/24/2005 | CN2720110Y Secondary-stage positioning regulating device for oil pump driven by linear motor |
| 08/24/2005 | CN2720092Y Sucker-rod automatic rotating device |
| 08/24/2005 | CN1659359A Method and system for dewatering of coal seams |
| 08/24/2005 | CN1659020A Particulate material having multiple curable coatings and methods for making and using same |
| 08/24/2005 | CN1216121C Acidification blocking remover of sandstone thin difference oil layer compound acid |
| 08/23/2005 | US6932581 Gas lift valve |
| 08/23/2005 | US6932168 Method for making a well for removing fluid from a desired subterranean formation |
| 08/23/2005 | US6932161 Profiled encapsulation for use with instrumented expandable tubular completions |
| 08/23/2005 | US6932160 Riser pipe gas separator for well pump |
| 08/23/2005 | US6932159 Run in cover for downhole expandable screen |
| 08/23/2005 | US6932157 Apparatus and method for treating an interval of a wellbore |
| 08/23/2005 | US6932156 Method for selectively treating two producing intervals in a single trip |
| 08/23/2005 | US6932155 In situ thermal processing of a hydrocarbon containing formation via backproducing through a heater well |
| 08/23/2005 | CA2415446C Wellhead hydraulic drive unit |
| 08/23/2005 | CA2336646C Combination side pocket mandrel flow measurement and control assembly |
| 08/23/2005 | CA2332244C System and method for enhanced conditioning of well fluids circulating in and around artificial lift assemblies |
| 08/23/2005 | CA2233710C Cleaning compositions for oil and gas wells, lines, casings, formations and equipment and methods of use |
| 08/23/2005 | CA2187644C Method for fracturing and propping a subterranean formation |
| 08/23/2005 | CA2071266C Method of sand consolidation with resin |
| 08/18/2005 | WO2005075791A1 Method and system for testing a partially formed hydrocarbon well for evaluation and well planning refinement |
| 08/18/2005 | WO2005075790A1 Down hole fluid heating apparatus and method |
| 08/18/2005 | WO2005054746A3 Method for production of high pressure steam from produced water |
| 08/18/2005 | WO2005038347A3 Apparatus for igniting combustible mediums |
| 08/18/2005 | US20050178562 Method and apparatus for isolating and testing zones during reverse circulation drilling |
| 08/18/2005 | US20050178561 Ribbed sealing element and method of use |
| 08/18/2005 | US20050178556 Subsea hydrocarbon production system |
| 08/18/2005 | US20050178555 Sealed multilateral junction system |
| 08/18/2005 | US20050178554 Technique and Apparatus for Multiple Zone Perforating |
| 08/18/2005 | US20050178553 Placing an uncrosslinked first fluid of carbon dioxide, i nto a subterranean formation at a pressure sufficient to create and extend a fracture therein, placing gravel and crosslinked guars as second fluid, depressurization causes remixing of both fluids, lowers pH of 2nd fluid causing lower viscosity |
| 08/18/2005 | US20050178552 Method and apparatus for wellbore fluid treatment |
| 08/18/2005 | US20050178551 Method and apparatus for stimulation of multiple formation intervals |
| 08/18/2005 | US20050178550 High-Pressure Explosive Retention Device |
| 08/18/2005 | US20050178549 Methods of reducing the permeabilities of horizontal well bore sections |
| 08/18/2005 | US20050178547 Apparatus and method for gravel packing |
| 08/18/2005 | US20050178545 Method for controlling oil and gas well production from multiple wells |
| 08/18/2005 | US20050178544 Placing an aqueous polymer in water conduits of production zone of a gas or oil reservoir to form a barrier to shut off or reduce unwanted production of water, through a well-bore tubing; injecting nitrogen or carbon dioxide into formation in to displace water |
| 08/18/2005 | US20050178542 Method and apparatus for exploiting oilfields |
| 08/18/2005 | US20050178541 Packoff subassembly |
| 08/17/2005 | EP1563161A1 Re-entry in multilateral wellbores |
| 08/17/2005 | EP1458952B1 Shot direction indication device |
| 08/17/2005 | EP1395732B1 In-situ casting of well equipment |
| 08/17/2005 | CN2718271Y Bush combined screw pump |
| 08/17/2005 | CN2718257Y Inforced double-runner oil producing device by layer |
| 08/17/2005 | CN2718222Y Remote-control lifting and stopping apparatus for artificially lifted well |
| 08/17/2005 | CN2718221Y Symmetric compound perforation sandproof device for oil well use |
| 08/17/2005 | CN2718220Y Rolling and riveting inserting sponge filtering unit sieve tube |
| 08/17/2005 | CN2718219Y Mechanical closed loop track long-stroke pumping machine |
| 08/17/2005 | CN2718218Y Composite casing oil extractor tool |
| 08/17/2005 | CN2717925Y Shifting device for vertical pumping unit operation |
| 08/17/2005 | CN1656301A Method of producing hydrocarbon gas |
| 08/17/2005 | CN1656299A Modeling, simulation and comparison of models for wormhole formation during matrix stimulation of carbonates |
| 08/17/2005 | CN1654782A Construction method for compound blind holes of perforating gun |
| 08/17/2005 | CN1654781A Tower type hydraulic long stroke well pumping unit |
| 08/16/2005 | US6929067 Heat sources with conductive material for in situ thermal processing of an oil shale formation |
| 08/16/2005 | US6929066 Method for upward growth of a hydraulic fracture along a well bore sandpacked annulus |
| 08/16/2005 | CA2358312C Flexible swedge |
| 08/16/2005 | CA2270162C Deformed multiple well template and process of use |
| 08/13/2005 | CA2496860A1 Microelectromechanical devices |
| 08/11/2005 | WO2005073508A1 Method for the generation of deep-drillings in geological structures |
| 08/11/2005 | WO2005073506A1 Expandable well screen having temporary sealing substance |
| 08/11/2005 | WO2005073504A1 Methods of cementing in subterranean formations using crack resistant cement compositions |
| 08/11/2005 | WO2005072289A2 Improved down hole oil and gas well heating system and method for down hole heating of oil and gas wells |
| 08/11/2005 | WO2005052317A3 Simultaneous development of underground caverns and deposition of materials |
| 08/11/2005 | WO2004092530B1 Radially expanding casing and driling a wellbore |
| 08/11/2005 | US20050173677 Mutual solvent for improved oil and gas permeability |
| 08/11/2005 | US20050173336 Methods and apparatus for enhancing venturi suction in eductor mixers |
| 08/11/2005 | US20050173322 Subsea separation apparatus for treating crude oil comprising a separator module with a separator tank |
| 08/11/2005 | US20050173130 Self-conforming screen |
| 08/11/2005 | US20050173129 Expander device |
| 08/11/2005 | US20050173125 Apparatus for changing flowbore fluid temperature |
| 08/11/2005 | US20050173121 Multi-layered wellbore junction |
| 08/11/2005 | US20050173120 Down hole oil and gas well heating system and method for down hole heating of oil and gas wells |
| 08/11/2005 | US20050173118 Charge holder apparatus |
| 08/11/2005 | US20050173115 Apparatus and method for repair of underground conduits |
| 08/11/2005 | US20050173114 System and method for optimizing production in an artificially lifted well |
| 08/11/2005 | US20050173112 Annulus plugging detection using a pressure transmitter in gas-lift oil production |
| 08/11/2005 | US20050173109 Profiled recess for instrumented expandable components |
| 08/11/2005 | US20050173108 Method of forming a mono diameter wellbore casing |
| 08/11/2005 | US20050172710 Method for borehole conductivity profiling |
| 08/11/2005 | US20050172473 Method and apparatus for forming a mono-diameter wellbore casing |