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)
11/2013
11/05/2013US8573300 Reducing sulfide in oil reservoir production fluids
11/05/2013US8573299 Non-ionic alkali polymer solutions for enhanced oil recovery in a subterranean formation
11/05/2013US8573292 Method for producing viscous hydrocarbon using steam and carbon dioxide
11/05/2013CA2753255C Methods for reducing biological load in subterranean formations comprising ttpc
11/05/2013CA2748994C Downhole hydraulic jetting assembly, and method for stimulating a production wellbore
11/05/2013CA2746623C Injection valve
11/05/2013CA2736631C Packaging system for detonation cords, which is used for x-ray examination and safe shipping
11/05/2013CA2732675C Downhole hydraulic jetting assembly, and method for stimulating a production wellbore
11/05/2013CA2684670C In-situ formation of solids for well completions and zonal isolation
11/05/2013CA2682687C Downhole burner wells for in situ conversion of organic-rich rock formations
11/04/2013CA2806404A1 Improved polymer dissolution equipment suitable for large fracturing operations
10/2013
10/31/2013WO2013163607A1 Magnetic retrieval tool
10/31/2013WO2013163401A2 Delivery system for fracture applications
10/31/2013WO2013163314A1 Hydropower and geothermal energy system and methods
10/31/2013WO2013162852A1 Predicting steam assisted gravity drainage steam chamber front velocity and location
10/31/2013WO2013162819A1 Method of using multi-component fibers as lost-circulation material
10/31/2013WO2013162801A1 Flow control device, method and production adjustment arrangement
10/31/2013WO2013162763A1 Gellable treatment fluids having adjustable gel times and methods associated therewith
10/31/2013WO2013162730A2 Assemblies, systems and methods for installing multiple subsea functional lines
10/31/2013WO2013162545A1 Sand control device cleaning system
10/31/2013WO2013162490A1 Method and apparatus for expendable tubing-conveyed perforating gun
10/31/2013WO2013162381A1 Synthetic alkylated graphenes and solutions thereof as multiphase flow test fluids to be used by the oil and gas industry.
10/31/2013WO2013159237A1 Methods and electrically-actuated apparatus for wellbore operations
10/31/2013WO2013159153A1 Downhole motor with concentric rotary drive system
10/31/2013WO2013130906A3 Oil well head pressure reduction device and method of use
10/31/2013WO2013124744A3 Sagd steam trap control
10/31/2013WO2013119590A9 Interruptor sub, perforating gun having the same, and method of blocking ballistic transfer
10/31/2013WO2013043499A3 A bottom hole assembly for deploying an expandable liner in a wellbore
10/31/2013WO2013039689A3 Method for determining fracture spacing and well fracturing using the method
10/31/2013US20130288935 Compositions and methods useful for oil extraction
10/31/2013US20130284461 Steam Anti-Coning/Cresting Technology ( SACT) Remediation Process
10/31/2013US20130284455 Delivery System for Fracture Applications
10/31/2013US20130284443 Sampling Assembly for a Well
10/31/2013US20130284440 System, apparatus and method for abrasive jet fluid cutting
10/31/2013US20130284438 Multi-stage fracture injection process for enhanced resource production from shales
10/31/2013US20130284437 Propping Complex Fracture Networks in Tight Formations
10/31/2013US20130284436 Method of providing an annular seal, and wellbore system
10/31/2013US20130284435 Satellite steam-assisted gravity drainage with oxygen (sagdox) system for remote recovery of hydrocarbons
10/31/2013US20130284430 System for heating a hydrocarbon resource in a subterranean formation including a magnetic amplifier and related methods
10/31/2013US20130284429 System for heating a hydrocarbon resource in a subterranean formation including a transformer and related methods
10/31/2013US20130284428 Fluid driven pump for removing debris from a wellbore and methods of using same
10/31/2013US20130284427 Constraining Pyrite Activity in Shale
10/31/2013US20130284426 Setting Tool
10/31/2013US20130284423 Downhole gas and liquid separation
10/30/2013EP2657448A2 Swellable packer in hookup nipple
10/30/2013EP2656055A1 Apparatus and method for generating steam quality delivered to a reservoir
10/30/2013EP2656021A1 Systems and methods for interpreting multi-phase fluid flow data
10/30/2013EP2655795A1 Multi-stage fracture injection process for enhanced resource production from shales
10/30/2013EP2655794A1 High pressure hydrocarbon fracturing on demand method and related process
10/30/2013EP2655793A1 Technical system, method and uses for dosing of at least one liquid treatment means into injection water to an injection well
10/30/2013EP2655792A2 Gravel packing in lateral wellbore
10/30/2013EP2655791A2 An exit assembly with a fluid director for inducing and impeding rotational flow of a fluid
10/30/2013EP2655789A2 Downhole apparatus and method
10/30/2013EP2655788A2 Downhole release joint with radially expandable member
10/30/2013EP2655544A2 Method for treating hydrocarbon-bearing formations with fluorinated amine
10/30/2013CN203259825U Intelligent adjusting and pumping apparatus for oil pumping unit
10/30/2013CN203257997U Mechanical commutation speed reducer and vertical oil pumping machine
10/30/2013CN203257952U Beam-pumping unit brake locking device
10/30/2013CN203257648U Downhole thrice liquid inlet gas preventing pump
10/30/2013CN203257407U Oil well mouth metering device
10/30/2013CN203257402U Oil well output liquid in-place dehydration back-mixing device
10/30/2013CN203257401U Backer rod drainage gas recovery automatic feeding device
10/30/2013CN203257400U Bridge concentric water distributor
10/30/2013CN203257399U Multifunctional high pressure water meter assembly
10/30/2013CN203257398U System for controlling oil extraction and water filling to be synchronously conducted in same oil well
10/30/2013CN203257397U Magnetically-controlled bottom-hole regulator
10/30/2013CN203257396U Foam nickel silicon alloy sand control device
10/30/2013CN203257395U Petroleum sieve tube
10/30/2013CN203257394U Self-cleaning pre-filling sand prevention pipe for sand prevention in oil and gas field
10/30/2013CN203257393U Balance weight regulator
10/30/2013CN203257392U Linear oil pumping unit
10/30/2013CN203257391U Automatic electronic balancing device of oil pumping unit
10/30/2013CN203257390U Beam moving device of beam pumping unit
10/30/2013CN203257389U Well plant inter-well hydraulic balance oil rig
10/30/2013CN203257388U Hydraulic oil pumping device
10/30/2013CN203257387U Novel vertical mechanical reversing energy-saving pumping unit
10/30/2013CN203257386U Self-balancing intelligent walking beam type pumping unit
10/30/2013CN203257385U Medium frequency electric heating oil sampling device
10/30/2013CN203257384U Walking beam type oil pumping unit
10/30/2013CN203257383U Side turnover horse head beam-pumping unit
10/30/2013CN203257382U Downhole throttling atomization drainage gas recovery device
10/30/2013CN203257381U Hydraulic type pumping unit
10/30/2013CN203257380U Novel coal bed gas discharging and extracting device
10/30/2013CN203257379U Twin-well self-balancing pumping unit
10/30/2013CN203257378U Pumping unit
10/30/2013CN203257377U Ejection boosting type recovery device for sleeve gas
10/30/2013CN203257374U Leakproof structure of adjustable blanking plug in eccentric water distributor
10/30/2013CN103380266A Igniting an underground coal seam in an underground coal gasification process, ucg
10/30/2013CN103380265A Enhanced oil recovery screening model
10/30/2013CN103380264A Surface close proximity wells
10/30/2013CN103380263A An exit assembly with a fluid director for inducing and impeding rotational flow of a fluid
10/30/2013CN103375159A Multi-flowing-hole slide bushing and multistage horizontal well fracturing slide bushing string
10/30/2013CN103375158A Fracturing wellhead ball catcher
10/30/2013CN103375157A Crude oil recovery and transportation method
10/30/2013CN103375156A Crude oil recovery method
10/30/2013CN103375155A Linear physical simulation system for thermal recovery of heavy oil reservoirs
10/30/2013CN103375154A Catalytic viscosity reduction method for ground heavy oil
10/30/2013CN103375153A Oil field profile control and water shutoff method
10/30/2013CN103375152A Adjustable plug capable of simultaneously controlling one water nozzle to be opened and the other closed
10/30/2013CN103375151A Clutch drive type double-layer adjustable plug
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