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)
10/2002
10/23/2002CN2517870Y Large passage pin oil drain appts.
10/23/2002CN2517865Y Self checking and sealing water injection packer
10/23/2002CN2517856Y Extension compensator
10/23/2002CN1375619A Single-well rope pulley oil puming unit
10/23/2002CN1375618A Double well interactive beam-rope pulley autobalanced oil pumping unit
10/23/2002CN1375617A Multiple well interactive autobalance integral intelligent oil pumping unit
10/23/2002CN1375616A Multiple well interactive autobalanced integral intelligent oil pumping unit
10/22/2002US6467547 Hydraulic running tool with torque dampener
10/22/2002US6467543 System and process for secondary hydrocarbon recovery
10/22/2002US6467542 Method for resonant vibration stimulation of fluid-bearing formations
10/22/2002US6467541 Plunger lift method and apparatus
10/22/2002US6467387 Apparatus and method for propelling a data sensing apparatus into a subsurface formation
10/22/2002US6467136 Connector assembly
10/17/2002WO2002081928A1 Well jet device
10/17/2002WO2002081864A2 Expandable coaxial tubings
10/17/2002WO2002081863A1 Downhole apparatus and method for expanding a tubing
10/17/2002WO2002081862A1 Downhole cable protection device
10/17/2002WO2002081860A1 Pump control method and apparatus
10/17/2002US20020148647 Method and system for accessing subterranean deposits from the surface
10/17/2002US20020148616 Apparatus and method for remote adjustment of drill string centering to prevent damage to wellhead
10/17/2002US20020148613 Method and system for accessing subterranean deposits from the surface
10/17/2002US20020148612 Isolation of subterranean zones
10/17/2002US20020148611 One trip completion method and assembly
10/17/2002US20020148610 Intelligent well sand control
10/17/2002US20020148608 In-situ combustion restimulation process for a hydrocarbon well
10/17/2002US20020148607 Zonal isolation tool with same trip pressure test
10/17/2002US20020148605 Method and system for accessing subterranean deposits from the surface
10/16/2002EP1249574A2 Multilateral well drilling and completion method and apparatus
10/16/2002EP0988440B1 Control and monitoring system for chemical treatment of an oilfield well
10/16/2002CN2516694Y Self-excitation wave waterflooding device
10/16/2002CN2516693Y Waterflooding pipeline compensator
10/16/2002CN2516552Y Production device of konjak glue fracturing fluids
10/16/2002CN1375037A System for enhancing fluid flow in a well
10/16/2002CN1375036A Well screen having an internal alternate flowpath
10/16/2002CN1092744C Equipment for establishing branch wells at node of parent well
10/15/2002US6464261 Pipe coupling
10/15/2002US6464019 Perforating charge case
10/15/2002US6464012 Oil lift system
10/15/2002US6464011 Production well telemetry system and method
10/15/2002US6464007 Method and well tool for gravel packing a long well interval using low viscosity fluids
10/15/2002US6464006 Single trip, multiple zone isolation, well fracturing system
10/15/2002US6464001 Multilateral wellbore system
10/15/2002CA2212604C Latch and release perforating gun connector
10/10/2002WO2002079659A2 Method for preventing critical annular pressure buildup
10/10/2002WO2002054005A3 Blasting apparatus for forming horizontal underground cavities and blasting method using the same
10/10/2002US20020146336 Lubrication system for downhole application
10/10/2002US20020145281 An apparatus and method for isolating a section of tubing
10/10/2002US20020144953 Gas-gas-water treatment system for groundwater and soil remediation
10/10/2002US20020144822 Apparatus comprising expandable bistable tubulars and methods for their use in wellbores
10/10/2002US20020144821 Apparatus and system control fot the removal of fluids and gas from a well
10/10/2002US20020144819 Arrangement related to riser pipelines
10/10/2002US20020144818 Liquid addition to steam for enhancing recovery of cyclic steam stimulation or laser-CSS
10/10/2002US20020144816 Apparatus and system control for the removal of fluids and gas from a well
10/10/2002US20020144814 System for running tubular members
10/10/2002US20020144813 System for running tubular members
10/09/2002EP1247935A1 Production riser
10/09/2002EP1247178A1 Method and program for simulating a physical system using object-oriented programming
10/09/2002EP1247036A1 System for acquiring data from a facility and method
10/09/2002EP1247001A1 Filter for subterranean wells
10/09/2002EP1155241A4 Gas displaced chamber lift system
10/09/2002CN2515423Y Beam-pumping unit
10/09/2002CN1373284A Sealed oil well as oil reservoir
10/09/2002CN1092280C Method for stabilizing gas flow in water-bearing natural gas deposits or reservoirs
10/09/2002CN1092279C System, vessel, seabed installation and method for producing oil or gas
10/09/2002CN1092278C Subsea module
10/09/2002CN1092277C Subsea well apparatus
10/09/2002CN1092209C Resin coated product contg. bisphenol and its use method
10/09/2002CA2343544A1 Arrangement related to riser pipelines
10/08/2002USRE37867 Downhole equipment, tools and assembly procedures for the drilling, tie-in and completion of vertical cased oil wells connected to liner-equipped multiple drainholes
10/08/2002US6461414 Foam monitoring and control system
10/08/2002US6460936 Borehole mining tool
10/08/2002US6460622 Apparatus and system control for the removal of fluids and gas from a well
10/08/2002US6460619 Whereby earlier created fractures are not negatively affected by the creation of later fractures; sealing a first section of the wellbore from the remainder of the wellbore
10/08/2002US6460615 Pipe expansion device
10/08/2002US6460463 Shaped recesses in explosive carrier housings that provide for improved explosive performance in a well
10/03/2002WO2002077728A1 Field/reservoir optimization utilizing neural networks
10/03/2002WO2002077412A1 Passive low pressure flash gas compression system
10/03/2002WO2002077411A1 Creation of a downhole seal
10/03/2002WO2002077124A2 Integrated bitumen production and gas conversion
10/03/2002WO2002076818A1 Riser system for use for production of hydrocarbons with a vessel of the epso-type with a dynamic positioning system (dp)
10/03/2002WO2002076816A2 Seabed oil storage and tanker offtake system
10/03/2002WO2001021935A9 Valve for use in wells
10/03/2002US20020142919 Reactive material mixed with a chemical binder so that the reactive material is released from the binder when the binder and reactive material are inserted into a wellbore.
10/03/2002US20020141829 Seabed oil storage and tanker offtake system
10/03/2002US20020141288 Regenerative combustion device
10/03/2002US20020140573 Pressure impulse telemetry apparatus and method
10/03/2002US20020139540 Method and apparatus for downhole tubular expansion
10/03/2002US20020139536 Method for preventing critical annular pressure buildup
10/03/2002US20020139534 Crossover housing for gas lift valve
10/03/2002US20020139531 Method of generating heat and vibration in a subterranean hydrocarbon-bearing formation
10/03/2002US20020139526 Pump protection system
10/03/2002US20020139525 Downhole jet pump
10/03/2002US20020139524 Wellsite inert gas generator
10/03/2002US20020139422 Multiport gate valve assembly
10/03/2002US20020139248 System for subsea flash gas compression includes separator and ejector; use in offshore drilling
10/02/2002EP1244866A1 Improved method for the drilling of oil wells
10/02/2002CN2514114Y Top Sheave type long stroke pumping unit
10/02/2002CN2514113Y Well washing packer for water injection well
10/02/2002CN1372067A Method for thermal producing ultrathick oil by cyclic steam stimulation and special apparatus thereof
10/02/2002CN1372066A Straight line movement oil pumping machine