Patents
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)
07/2009
07/09/2009WO2009052149A3 Permeable medium flow control devices for use in hydrocarbon production
07/09/2009WO2009052114A3 Water sensing adaptable inflow control device using a powered system
07/09/2009WO2009052076A3 Water absorbing materials used as an in-flow control device
07/09/2009US20090175737 Groundwater sampling device
07/09/2009US20090173544 Method and apparatus for lateral well drilling utilizing an abrasive fluid stream discharged from a rotating nozzle
07/09/2009US20090173501 Borehole Cleaning Using Downhole Pumps
07/09/2009US20090173500 Method and Apparatus for Well Treatment
07/09/2009US20090173498 Screen coupler for modular screen packs
07/09/2009US20090173497 Sand control screen assembly and associated methods
07/09/2009US20090173496 Apparatus for Reducing Water Production in Gas Wells
07/09/2009US20090173494 System and method to interpret distributed temperature sensor data and to determine a flow rate in a well
07/09/2009US20090173492 Surface activated downhole spark-gap tool
07/09/2009US20090173491 Method and system for extraction of hydrocarbons from oil shale and limestone formations
07/09/2009US20090173488 High power microwave petroleum recovery
07/09/2009US20090173487 Downhole tool delivery system
07/09/2009US20090173390 Method and a System for Enhanced Flow Line Control
07/09/2009CA2798550A1 Casing deformation and control for inclusion propagation
07/09/2009CA2710825A1 Conductivity enhancing structures for use with proppants in oil and gas wells
07/09/2009CA2710621A1 Borehole imaging and orientation of downhole tools
07/09/2009CA2710226A1 Electric submersible pump (esp) with recirculation capability
07/09/2009CA2710015A1 Systems and methods for enhancing rates of in situ carbonation of peridotite
07/09/2009CA2709221A1 Casing deformation and control for inclusion propagation
07/08/2009EP2077374A1 Submersible pump assembly
07/08/2009EP2076732A2 Methods and apparatuses for electronic time delay and systems including same
07/08/2009EP2076654A1 Method and apparatus for removing liquid from a gas well
07/08/2009EP2076653A1 Peripheral sealing system for pre-tensioned screens
07/08/2009EP2076579A2 Functional polymer for enhanced oil recovery
07/08/2009EP1871985B1 In situ conversion process utilizing a closed loop heating system
07/08/2009CN201269091Y High-pressure gas seal intubation column jacket for separate layer fracturing
07/08/2009CN201269090Y Layered acidation and water injection integrated column jacket
07/08/2009CN201269089Y 流入控制装置 Flow control device
07/08/2009CN201269088Y Pressure control device of oil pipe
07/08/2009CN201269087Y Auto-oscillation plug-removing sand-prevention screening tube
07/08/2009CN201269086Y Reciprocating type oil well ganged oil pumping apparatus
07/08/2009CN201269085Y 直线抽油机 Linear pumping
07/08/2009CN201269084Y Double-head long-stroke pumping unit
07/08/2009CN201269083Y Down-hole buffering mechanism used for plunger gas lift
07/08/2009CN101476460A Deep-thin layer natural alkali, salt and saltpeter well-to-well multi-layer connection exploitation process
07/08/2009CN101476459A Experimental device and method for simulating real oil well acidation
07/08/2009CN101476458A Oil pool development simulation system, oil pool model body and its data processing method
07/08/2009CN101476457A Automatic ball projection apparatus for oil well
07/08/2009CN101476456A Filling water-control sieve tube and its laying method
07/08/2009CN101476455A Filling water-control sieve tube and its laying method
07/08/2009CN101476454A Double-well sharing oil pumping machine
07/08/2009CN100510317C A method and device for separation of a fluid
07/08/2009CN100510316C Viscoelastic compositions
07/08/2009CN100510315C Method and system for enhanced access to subterranean zone
07/07/2009US7556102 High differential shifting tool
07/07/2009US7556099 Recovery process
07/07/2009US7556098 Oil recovery method employing amphoteric surfactants
07/07/2009US7556096 Varying heating in dawsonite zones in hydrocarbon containing formations
07/07/2009US7556095 Solution mining dawsonite from hydrocarbon containing formations with a chelating agent
07/07/2009US7556094 Method for converting coal to biogenic methane
07/07/2009US7556093 Downhole fiber optic wet connect and gravel pack completion
07/07/2009US7556092 Flow control system for an apparatus for radially expanding tubular members
07/07/2009CA2632646C Retrievable frac mandrel and well control stack to facilitate well completion, re-completion or workover and method of use
07/07/2009CA2532088C Connector for perforating gun tandem
07/07/2009CA2526854C Method and system for mining hydrocarbon-containing materials
07/07/2009CA2489063C Filtered actuator port for hydraulically actuated downhole tools
07/07/2009CA2450924C Expandable liner hanger with bypass
07/07/2009CA2445033C Downhole apparatus and method for expanding a tubing
07/07/2009CA2403932C Method of joining metal oilfield tubulars and well provided therewith
07/07/2009CA2397460C Method and apparatus for stimulation of multiple formation intervals
07/07/2009CA2339478C Downhole separation and injection of produced water in hydrocarbon wells using partial gas lift
07/07/2009CA2175928C A method of operating a gas lift flow control device
07/02/2009WO2009082240A1 Tool for connecting pipelines
07/02/2009WO2009080711A2 Method for producing hydrocarbons through a well or well cluster of which the trajectory is optimized by a trajectory optimisation algorithm
07/02/2009WO2009052103A3 Water sensing devices and methods utilizing same to control flow of subsurface fluids
07/02/2009WO2009046070A3 Shrink tube encapsulated magnet wire for electrical submersible motors
07/02/2009WO2009032589A4 Downhole tubular seal system and method
07/02/2009WO2009018536A4 Methods of increasing fracture resistance in low permeability formations
07/02/2009US20090168606 Interactive and/or secure acivation of a tool
07/02/2009US20090166045 Harvesting vibration for downhole power generation
07/02/2009US20090166042 Purging of fiber optic conduits in subterranean wells
07/02/2009US20090166039 Inhibiting formation face failure in oil and gas wells
07/02/2009US20090166038 Organic Acid Compositions and Methods of Use in Subterranean Operations
07/02/2009US20090166034 Gas wellhead extraction system and method
07/02/2009US20090166033 Closed loop control system for controlling production of hydrocarbon fluid from an underground formation
07/02/2009US20090166032 Inline Downhole Heater and Methods of Use
07/02/2009US20090166030 Method to monitor reservoir fracture development and its geometry
07/02/2009US20090166029 Method of formation fracture dimensions
07/02/2009US20090166028 Demulsification of Water-In-Oil Emulsion
07/02/2009US20090166025 Collection and Lift Modules for use in a Wellbore
07/02/2009US20090166024 Completion apparatus for measuring streaming potentials and determining earth formation characteristics
07/02/2009US20090166023 Well Having Inductively Coupled Power and Signal Transmission
07/02/2009CA2708521A1 Tool for connecting pipelines
07/02/2009CA2705893A1 Method for producing hydrocarbons through a well or well cluster of which the trajectory is optimized by a trajectory optimisation algorithm
07/01/2009EP2075403A1 Real-time measurement of reservoir fluid properties
07/01/2009EP2074284A2 Heating hydrocarbon containing formations in a line drive staged process
07/01/2009EP2074283A2 Heating tar sands formations to visbreaking temperatures
07/01/2009EP2074282A2 In situ heat treatment process utilizing a closed loop heating system
07/01/2009EP2074281A2 Heating tar sands formations while controlling pressure
07/01/2009EP2074279A2 Moving hydrocarbons through portions of tar sands formations with a fluid
07/01/2009EP1692421B1 Production by plastic expansion of a sealed tubular joint with inclined abutting surface(s)
07/01/2009EP1640560B1 Device for arranging a shut-off valve in a well
07/01/2009CN201265404Y Radiant section apparatus of double-tube pass spiral coil of steam-filling boiler
07/01/2009CN201265403Y Well head flux control apparatus for electric pump well
07/01/2009CN201265402Y Real screen casing
07/01/2009CN201265401Y Slit screen casing with polytetrafluoroethylene coating
07/01/2009CN201265400Y Self-cleaning type sand filter of oil pumping well