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)
04/2014
04/24/2014WO2014062687A1 Mitigating thief zone losses by thief zone pressure maintenance through downhole radio frequency radiation heating
04/24/2014WO2014062593A1 Remote downhole actuation device
04/24/2014WO2014062391A1 Controlled swell-rate swellable packer and method
04/24/2014WO2014062326A1 Invert emulsion with encapsulated breaker for well treatment
04/24/2014WO2014062199A1 Gravel packing apparatus having a rotatable slurry delivery subassembly
04/24/2014WO2014062171A1 Perforating assembly control
04/24/2014WO2014062166A1 Multilateral bore junction isolation
04/24/2014WO2014060917A1 Apparatus and process for conveying and recovering hydrocarbons' from an underwater well or from an underwater pipeline in uncontrolled release (blowout) conditions
04/24/2014WO2014059777A1 High-pressure pneumatic blasting pressure relieving and transmission increasing method
04/24/2014WO2014059749A1 Pumping unit capable of automatically adjusting balance
04/24/2014WO2014059545A1 Wellbore screen, filter medium, and method
04/24/2014WO2014036245A3 Analysis of enhanced oil recovery (eor) processes for naturally-fractured reservoirs
04/24/2014US20140110395 System including tunable choke for hydrocarbon resource heating and associated methods
04/24/2014US20140110305 Method and composition for enhanced hydrocarbon recovery
04/24/2014US20140110136 Downhole casing expansion tool and method of expanding casings using the same
04/24/2014US20140110133 Gas Separator Assembly for Generating Artificial Sump Inside Well Casing
04/24/2014US20140110132 Gravel Packing Apparatus having a Rotatable Slurry Delivery Subassembly
04/24/2014US20140110131 Gravel Packing Apparatus having a Jumper Tube Protection Assembly
04/24/2014US20140110127 Autonomous fluid control system having a fluid diode
04/24/2014US20140110120 Oligomeric and Polymeric Electronically-Modified Boronic Acids and Methods of Using the Same
04/24/2014US20140110118 Inclusion propagation by casing expansion giving rise to formation dilation and extension
04/24/2014US20140110116 Inductive shearing of drilling pipe
04/24/2014US20140110115 Gelling Agents and Methods of Using the Same
04/24/2014US20140110112 Erodable Bridge Plug in Fracturing Applications
04/24/2014US20140110111 Resin-Coated Proppant And Methods Of Use
04/24/2014US20140110110 Porous Proppants
04/24/2014US20140110109 Direct steam generation of boiler blowdown
04/24/2014US20140110107 Enhanced geothermal systems and reservoir optimization
04/24/2014US20140110105 Systems and Methods of Monitoring a Multiphase Fluid
04/24/2014US20140110104 Hydrocarbon processing apparatus including resonant frequency tracking and related methods
04/24/2014US20140110103 Systems and methods for enhancing recovery of hydrocarbon deposits
04/24/2014CA2830056A1 Flexible casing guide running tool
04/24/2014CA2829272A1 Inclusion propagation by casing expansion giving rise to formation dilation and extension
04/23/2014EP2722481A2 Produced sand gravel pack process
04/23/2014EP2722480A1 Connection appliance and connection arrangement comprising such a connection appliance
04/23/2014EP2722479A1 Subsea arrangement
04/23/2014EP2721301A1 Immersion pump and method for assembling an immersion pump
04/23/2014EP2721251A2 Time-delay fluids for wellbore cleanup
04/23/2014EP2721250A2 Air-freightable containment cap for containing a subsea well
04/23/2014EP2721249A1 Subsea containment cap adapters
04/23/2014EP2721247A1 Kobe sub with inflow control, wellbore tubing string and method
04/23/2014CN203562955U Wide-range input regulated power supply circuit of down-hole perforation ignition control circuit
04/23/2014CN203560381U Chain belt type pumping unit
04/23/2014CN203559894U Water-gas separation treatment device
04/23/2014CN203559893U Sand mixing equipment manifold
04/23/2014CN203559892U Processing equipment for fracturing and acidifying of flowback fluid for oil-water well
04/23/2014CN203559891U Fast agent injecting device of low-pressure gas well mouth
04/23/2014CN203559890U Chemical feeding tank
04/23/2014CN203559889U Automatic adjustable water distributor
04/23/2014CN203559888U Precise positioning system for perforating with pressure in coiled tubing
04/23/2014CN203559887U Downhole electric detonator ignition control circuit for perforation
04/23/2014CN203559886U Nozzle filter device
04/23/2014CN203559885U Petroleum sand filter tube
04/23/2014CN203559884U Petroleum screen pipe
04/23/2014CN203559883U Pre-filter type oil screen pipe
04/23/2014CN203559882U Petroleum sieve tube
04/23/2014CN203559881U Gas-balancing hydraulic oil pumping unit
04/23/2014CN203559880U Rail type hydraulic pumping unit
04/23/2014CN203559879U Pumping well operating condition night inspection light indicating device
04/23/2014CN203559878U Drainage mining pump for gas well
04/23/2014CN203559877U Novel balance tank
04/23/2014CN203559876U Closed gas-lift liquid discharge combined tubing string for low-pressure oil and gas well
04/23/2014CN203559875U Dirty oil recovery device for oil well sampling
04/23/2014CN203559874U Novel gear-and-rack type oil pumping unit
04/23/2014CN203559873U Injection-production allocation metering structure for gas storage
04/23/2014CN203559805U Anti-eccentric-wear oil extraction device
04/23/2014CN103748317A System and method for producing a hydrocarbon product stream from a hydrocarbon well stream, and a hydrocarbon well stream separation tank
04/23/2014CN103748316A Hydrocarbon recovery with in-situ combustion and separate injection of steam and oxygen
04/23/2014CN103744312A Intelligent energy-saving controller for pumping unit
04/23/2014CN103742490A Hybrid pumping unit
04/23/2014CN103742382A Fracturing pump transmission system and fracturing truck
04/23/2014CN103742381A Fracturing pump system and fracturing truck
04/23/2014CN103742124A Method for re-separating produced liquid of underground oil-water separation co-well injection and production well
04/23/2014CN103742123A System and method for separating oil from water by using natural gas floatation of solution gas in crude oil production liquid
04/23/2014CN103742122A Underground coal gasification system and gasification method
04/23/2014CN103742121A Underground gasification gas injection device and method
04/23/2014CN103742120A Underground gasification communication method
04/23/2014CN103742119A High-pressure brine supply system for water-dissolving cavity making experiment of salt rock storage cavern
04/23/2014CN103742118A Modified guar fracturing fluid recycling method
04/23/2014CN103742117A Large-diameter multi-layer fracturing string applicable to environment of 120 DEG C and 70 MPa
04/23/2014CN103742116A 70-MPa sand blaster
04/23/2014CN103742115A Underground coal mine fracture sealing device and method
04/23/2014CN103742114A Device and method for thermally extracting oil by means of injecting steam and flue gas of same boiler in mixed manner
04/23/2014CN103742113A Infrared yield increasing equipment for use under coal-bed gas well
04/23/2014CN103742112A Systems and methods for producing oil and/or gas
04/23/2014CN103742111A Constant-power energy-saving multispeed drive device
04/23/2014CN103742099A Perforation, fracturing, sealing and separating device
04/23/2014CN103742095A Cylinder type gas well ground pipeline ball precipitator
04/23/2014CN103742075A Supercritical carbon dioxide abrasive jet flow perforation simulation experiment system
04/23/2014CN103740345A Foam sealing channeling composition, preparation method thereof and applications thereof
04/23/2014CN102676149B Viscoelastic fluid, preparation method thereof and method for treating subsurface formation
04/23/2014CN102585795B Viscoelastic fluid, preparing method thereof and method for processing underground stratum
04/23/2014CN102465688B Oil displacement method for improving tertiary oil recovery rate of high-temperature and high-salt oil reservoir
04/23/2014CA2830405A1 Use of steam assisted gravity drainage with oxygen ("sagdox") in the recovery of bitumen in thin pay zones
04/22/2014US8705949 Method and system for direct electric heating of a pipeline
04/22/2014US8703657 Inverse emulsion polymers as lost circulation material
04/22/2014US8701794 High power laser perforating tools and systems
04/22/2014US8701788 Preconditioning a subsurface shale formation by removing extractible organics
04/22/2014US8701780 Hydraulically driven, down-hole jet pump
04/22/2014US8701774 Hydraulic fracturing
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