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)
08/2003
08/14/2003WO2003067026A1 Gas well packing system
08/14/2003WO2003067025A2 Interpretation and design of hydraulic fracturing treatments
08/14/2003WO2003067020A2 Flowline jumper for subsea well
08/14/2003US20030154056 System for acquiring data from facilities and method CIP
08/14/2003US20030153468 Integrated subsea power pack for drilling and production
08/14/2003US20030151738 On time steam quality, temperature, and pressure measuring method and apparatus at the head of an injection well
08/14/2003US20030150800 In situ method and apparatus for biodegradation of alkyl ethers and tertiary butyl alcohol
08/14/2003US20030150799 In situ method and apparatus for biodegradation of alkyl ethers and tertiary butyl alcohol
08/14/2003US20030150731 Subsea production system
08/14/2003US20030150646 Components and methods for use with explosives
08/14/2003US20030150617 Multilateral junction and method for installing multilateral junctions
08/14/2003US20030150608 Tubular expansion apparatus and method
08/14/2003CA2475007A1 Interpretation and design of hydraulic fracturing treatments
08/14/2003CA2474911A1 Extend of detonation determination method using seismic energy
08/13/2003EP1334780A2 Method and device for skimming off pollutants such as hydrocarbons from groundwater
08/13/2003EP1333963A2 Apparatus and methods for separating and joining tubulars in a wellbore
08/13/2003EP1163495B1 Method for measuring the flow rates of the single phases in a multiphase fluid stream and relevant apparatus
08/13/2003EP1146951B1 Method for recovering co 2
08/13/2003EP1047861B1 Method for injecting of foamed concrete and a foamed concrete
08/13/2003EP0993334B1 Fluids containing viscoelastic surfactant and methods for using the same
08/13/2003EP0774042B1 Method of fracturing and propping a formation
08/13/2003CN2566055Y Stepless speed variator for single screw oil-well pump ground driving device
08/13/2003CN2566016Y Hollow equal thick single screw pump
08/13/2003CN2565985Y Adjustable pressure and action time oil-gas well high energy gas hollow fracturing bomb
08/13/2003CN2565984Y Polymer stacked ball type eccentric injection allocation device
08/13/2003CN2565983Y Polymer chain ball type eccentric injection allocation device
08/13/2003CN2565982Y Polymer variable diameter eccentric injection allocation device
08/13/2003CN2565981Y Adjustable tightness degree pressure conveyer head
08/13/2003CN2565980Y Layering commingled oil production device
08/13/2003CN2565979Y Secondary effect-increasing perforator
08/13/2003CN2565978Y Intelligent beam-pumping unit for cluster well
08/13/2003CN1436274A Method and system for treating hydrocarbon contg. formation
08/13/2003CN1436273A Enhanced oil recovery by in-situ gasification
08/13/2003CN1117917C Underground gasifying furnace for producing coal gas in pit
08/13/2003CN1117916C Distributing and infecting system for tertiary oil recovery polymer displacement and ternary composition displacement
08/13/2003CN1117915C Method and device for controlling high-pressure water injecting pump station
08/12/2003US6604763 Expandable connector
08/12/2003US6604584 Downhole activation system
08/12/2003US6604581 Fluid property sensors and associated methods of calibrating sensors in a subterranean well
08/12/2003US6604580 Method and system for accessing subterranean zones from a limited surface area
08/07/2003WO2003064814A1 Expansion apparatus for use in a wellbore
08/07/2003WO2003064813A1 Apparatus and method for expanding tubular members
08/07/2003WO2003064811A2 Sand control screen assembly and treatment method using the same
08/07/2003WO2003064804A2 Shallow water riser system
08/07/2003US20030148894 In situ thermal processing of an oil shale formation using a natural distributed combustor
08/07/2003US20030146175 Mixture of oil in water emulsions and gases; separation tanks; cyclone separator
08/07/2003US20030146003 Bore isolation
08/07/2003US20030146002 Removable heat sources for in situ thermal processing of an oil shale formation
08/07/2003US20030145998 Flowline jumper for subsea well
08/07/2003US20030145997 Flowline jumper for subsea well
08/07/2003US20030145993 Fluid flow control apparatus
08/07/2003US20030145992 Method and device for regulating the flow rate of formation fluids produced by an oil well
08/07/2003US20030145991 Subsea production system
08/07/2003US20030145989 ESP pump for gassy wells
08/07/2003US20030145986 Differential pressure controller
08/06/2003EP1234090B1 Pipe connecting method
08/06/2003EP1140696B1 Method for preparing a co2-rich gas at high pressure
08/06/2003EP0835359B1 Spiral or wave strip perforating system
08/06/2003CN2564777Y Oil-submersible electric piston pump
08/06/2003CN2564750Y High-energy gas bunched fracturing bomb capable of regulating pressure and action time for oil-gas well
08/06/2003CN2564749Y Connecting rod type double-action fishing device
08/06/2003CN2564748Y High-pressure water distributing device
08/06/2003CN2564747Y 空心配水器 Hollow water distribution
08/06/2003CN2564746Y Anti-clogging throttling plug
08/06/2003CN2564745Y Ball cock gas-lift land ball falling-off device
08/06/2003CN2564744Y Composite sand-proof perforated completion device for oil-gas well
08/06/2003CN1117280C Automatic well test system and method of operating the same
08/06/2003CN1117207C Method for producing methane by penetrating underground coal layer thorugh at least one well
08/05/2003US6601656 Method and apparatus for drilling an offshore underwater well
08/05/2003US6601651 Downhole gas compression
08/05/2003US6601648 Well completion method
08/05/2003US6601646 Apparatus and method for sequentially packing an interval of a wellbore
08/05/2003US6601531 Floating support including a central cavity comprising a plurality of compartments
08/05/2003CA2092479C Flowline safety joint
07/2003
07/31/2003WO2003062597A1 Device and method for counter-current separation of well fluids
07/31/2003WO2003062596A1 Gas operated pump for hydrocarbon wells
07/31/2003WO2003062583A2 Fluid well pumping system
07/31/2003WO2003038287A8 Well jet device for testing and studying formations and the operating method thereof
07/31/2003US20030143034 Shallow water riser system
07/31/2003US20030142964 In situ thermal processing of an oil shale formation using a controlled heating rate
07/31/2003US20030141076 Tie back for use with expandable tubulars
07/31/2003US20030141074 System and method for reducing the pressure drop in fluids produced through production tubing
07/31/2003US20030141073 Advanced gas injection method and apparatus liquid hydrocarbon recovery complex
07/31/2003US20030141068 In situ thermal processing through an open wellbore in an oil shale formation
07/31/2003US20030141067 In situ thermal processing of an oil shale formation to increase permeability of the formation
07/31/2003US20030141066 In situ thermal processing of an oil shale formation while inhibiting coking
07/31/2003US20030141065 In situ thermal processing of hydrocarbons within a relatively permeable formation
07/31/2003US20030141064 Hydration; expansion; forming hydraulic fluids
07/31/2003US20030141061 Sand control screen assembly and treatment method using the same
07/31/2003US20030141060 Sand control screen assembly and treatment method using the same
07/31/2003US20030141059 One trip expansion apparatus for use in a wellbore
07/31/2003US20030141058 Environmentally friendly method for generating energy from natural gas
07/31/2003US20030141057 Outlet arrangement for down-hole separator
07/31/2003US20030141056 Below motor well fluid separation and conditioning
07/31/2003US20030141054 Method and apparatus for providing a portable flow line and measuring unit for an oil and/or gas well
07/31/2003US20030141053 Wet electric heating process
07/31/2003US20030141051 Water, oil and gas well recovery system
07/31/2003US20030140711 Method and apparatus for flow measurement
07/31/2003US20030140673 Tubing expansion
07/30/2003EP1331357A1 Method of forming permeable sand screens in well bores
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