Patents
Sitemap › E21 - Earth or rock drilling; Mining › E21B - Earth or rock drilling; Obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells › E21B 43 - Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
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)
09/2010
09/07/2010CA2407228C A method for treating a hydrocarbon containing formation
09/04/2010CA2657053A1 System and method for remotely monitoring and controlling pumpjacks
09/03/2010CA2666145A1 Method for recovering energy in-situ from underground resources and upgrading such energy resources above ground
09/02/2010WO2010099480A1 Novel device and methods for firing perforating guns
09/02/2010WO2010098790A1 Double standing valve sucker rod pump
09/02/2010WO2010080946A3 Non-stick articles
09/02/2010WO2010074912A3 System and method for delivering material to a subsea well
09/02/2010WO2010065558A3 Method for perforating failure-prone formations
09/02/2010WO2010065554A3 Method for the enhancement of dynamic underbalanced systems and optimization of gun weight
09/02/2010WO2010065552A3 Methd for perforating a wellbore in low underbalance systems
09/02/2010WO2010061252A3 Artificial oil lifting unit using absorbent belts
09/02/2010WO2010051197A3 Improved downhole electrical submersible pump seal
09/02/2010WO2009094066A3 Method and system for fracturing subsurface formations during the drilling thereof
09/02/2010WO2009092997A3 Sand separation system and method
09/02/2010US20100222243 Porous Particulate Materials and Compositions Thereof
09/02/2010US20100218954 Application of Reservoir Conditioning In Petroleum Reservoirs
09/02/2010US20100218948 Conveyance Device and Method of Use in Gravel Pack Operations
09/02/2010US20100218947 Methods for Improving Low-Quality Proppant and Method of Using Low-Quality Proppant in Subterranean Operations
09/02/2010US20100218946 Water Treatment Following Shale Oil Production By In Situ Heating
09/02/2010US20100218945 Recovery of Hydrocarbons From Oil Shale Deposits
09/02/2010US20100218944 Downhole fluid separation
09/02/2010US20100218942 Gas-cap air injection for thermal oil recovery (gaitor)
09/02/2010US20100218941 Determining the Use of Stimulation Treatments Based on High Process Zone Stress
09/02/2010US20100218940 In situ loop antenna arrays for subsurface hydrocarbon heating
09/02/2010US20100218582 Tubing expansion
09/02/2010DE102009010289A1 Vorrichtung zur Temperaturmessung in elektromagnetischen Feldern, Verwendung dieser Vorrichtung sowie zugehörige Messanordnung Device for temperature measurement in electromagnetic fields, the use of this device and associated measuring arrangement
09/02/2010CA2714785A1 Novel device and methods for firing perforating guns
09/01/2010EP2222936A2 Multi-position valves for fracturing and sand control associated completion methods
09/01/2010CN201569519U Automatic load monitoring device of pumping unit
09/01/2010CN201568533U Pumping unit speed reducer with high transmission ratio
09/01/2010CN201568387U Hydraulic colony pumping installation
09/01/2010CN201568040U Automatic control system with single chip microcomputer used as upper computer for vertical oil pumping unit
09/01/2010CN201568039U Multi-phase underground liquid-gas separator
09/01/2010CN201568038U Composite fracturing and perforating device for oil and gas well
09/01/2010CN201568037U Novel gas injection pipeline
09/01/2010CN201568036U Modular moving water-shutoff profile control complete equipment
09/01/2010CN201568035U Self-limiting protector for water-feeding of well mouth
09/01/2010CN201568034U Selective zone commingled oil production pipe string
09/01/2010CN201568033U Cylinder charging device for oil well composite perforator
09/01/2010CN201568032U Double-layer filter sieve tube
09/01/2010CN201568031U Tieback connector
09/01/2010CN201568030U Normally-closed brake of pumping unit
09/01/2010CN201568029U Pumping unit with adjustable walking beam balancing weight
09/01/2010CN201568028U Energy saving device for deceleration and torque increment of pumping unit
09/01/2010CN201568027U Non-well-killing rod inspection operation device of pumping well
09/01/2010CN201568004U Coal bed gas dual-purpose production and exhaust well mouth device
09/01/2010CN201568003U Ultra-high pressure fracturing and acidizing oil-extracting wellhead device
09/01/2010CN201567999U Hydraulic electric control no-killing operation unit
09/01/2010CN201567997U Novel 90 degrees thermal expansion well head compensator
09/01/2010CN201567973U Pumping unit driving wire cable centralizer
09/01/2010CN101821476A Flow restriction device
09/01/2010CN101821355A Installation for enhanced oil recovery using water-soluble polymers, method implementing same
09/01/2010CN101819436A System for monitoring running of oil extractor in oil field
09/01/2010CN101818638A Fracturing and separate zone production combined operation device and method
09/01/2010CN101818637A Method for improving recovery rate of thick massive viscous oil reservoir by controlling burning gas injection speed
09/01/2010CN101818636A Three-dimensional simulation test device for oil extraction by injecting multielement hot fluid
09/01/2010CN101818635A Method for exploiting natural gas hydrates by using high-pressure thermal jetting
09/01/2010CN101818634A Method for regulating and controlling microbial community for oil extraction
09/01/2010CN101818633A Downhole closing well technology of replacing tubing after deep horizontal gas well open hole staged fracturing
09/01/2010CN101818632A Digital automatic oil extraction control system
09/01/2010CN101818631A Gantry chain transmission type twin-well oil pumping unit
09/01/2010CN101818620A Mining method for maximum reservoir contact well and maximum reservoir contact well structure
08/2010
08/31/2010US7786054 an injection fluid e.g. fresh water or salt water for removing oil from a subterranean formation; and 3,5-dimethyl-1,3,5-thiadiazinane-2-thione a biocide to inhibit bacterial growth
08/31/2010US7786051 Method of preventing or reducing fluid loss in subterranean formations
08/31/2010US7785080 Downhole ram pump
08/31/2010US7784549 Self-propelled swabbing device and method
08/31/2010US7784545 In-situ method of fracturing gas shale and geothermal areas
08/31/2010US7784544 Method of treating a subterranean formation using a rheology model for fluid optimization
08/31/2010US7784543 Device and system for well completion and control and method for completing and controlling a well
08/31/2010US7784541 System and method for low damage fracturing
08/31/2010US7784540 enhancing oil recovery; introducing a flooding fluid containing water, surfactants and carbon dioxide into the reservoir; extracting the oil through a wellbore at a location different than the point of introduction of the flooding fluid; decrease in surface tension and increase in viscosity
08/31/2010US7784538 Using an acoustic ping and sonic velocity to control an artificial lift device
08/31/2010US7784534 Sealed drive for a rotating sucker rod
08/31/2010US7784533 Downhole combustion unit and process for TECF injection into carbonaceous permeable zones
08/31/2010US7784532 Shunt tube flowpaths extending through swellable packers
08/31/2010US7784339 Perforation logging tool and method
08/31/2010CA2579647C Control systems and methods for active controlled bottomhole pressure systems
08/31/2010CA2453400C Method of expanding a tubular element in a wellbore
08/31/2010CA2440742C Expander for expanding a tubular element
08/26/2010WO2010096489A1 Integrated cable hanger pick-up system
08/26/2010WO2010096481A1 Gas well dewatering system
08/26/2010WO2010096431A1 Monitoring and control system for a gas well dewatering pump
08/26/2010WO2010096417A2 Swellable material activation and monitoring in a subterranean well
08/26/2010WO2010096349A2 Apparatus and system to actuate and pump well bore liquids from hydrocarbon wells
08/26/2010WO2010096255A2 Screen flow equalization system
08/26/2010WO2010096210A1 Water treatment following shale oil production by in situ heating
08/26/2010WO2010078162A3 Method and system for producing hydrocarbons from a hydrate reservoir using a sweep gas
08/26/2010WO2010075227A3 Monitoring an alternating current component of a downhole electrical imbalance voltage
08/26/2010WO2010065597A3 Expandable tubular installation systems, methods and apparatus
08/26/2010WO2010045343A3 Methods of simultaneously dissolving calcium carbonate, silica, and silicate minerals in subterranean formations
08/26/2010US20100212914 Hydraulic Installation Method and Apparatus for Installing a Submersible Pump
08/26/2010US20100212909 Method For Analyzing Multiple Geophysical Data Sets
08/26/2010US20100212908 Stealth Orifice
08/26/2010US20100212906 Method for diversion of hydraulic fracture treatments
08/26/2010US20100212905 Method and system using zeta potential altering compositions as aggregating reagents for sand control
08/26/2010US20100212904 In situ fluid reservoir stimulation process
08/26/2010US20100212903 Apparatus and method for abrasive jet perforating
08/26/2010US20100212901 Downhole vibration apparatus and methods
08/26/2010US20100212900 Running and Cement Tubing
08/26/2010US20100212898 Methods and compositions for consolidating particulate matter in a subterranean formation
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