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)
10/2008
10/14/2008CA2316337C Fluidic level control systems
10/14/2008CA2296108C Actuation system for a downhole tool
10/13/2008CA2584712A1 Methods of improving heavy oil production
10/11/2008CA2622939A1 Steam injection apparatus for steam assisted gravity drainage techniques
10/11/2008CA2587255A1 Perforated pump protector assembly for a down hole oil well pump
10/09/2008WO2008121782A1 System and method for recovery of fuel products from subterranean carbonaceous deposits via electric torch
10/09/2008WO2008121753A1 Tubular liner
10/09/2008WO2008120999A2 Power lift generator
10/09/2008WO2008100810A3 Silicate-based wellbore fluid and methods for stabilizing unconsolidated formations
10/09/2008WO2008095113A3 Chemical-injection management system
10/09/2008WO2008091405A3 Stimulation and recovery of heavy hydrocarbon fluids
10/09/2008WO2008085670A3 Method of isolating and completing multi-zone frac packs
10/09/2008WO2008081048A3 Installation for enhanced oil recovery using water-soluble polymers, method implementing same
10/09/2008WO2008079777B1 Material sensitive downhole flow control device
10/09/2008WO2008048966A3 Method of collecting hydrocarbons using a barrier tunnel
10/09/2008WO2006076547A3 System and method for producing fluids from a subterranean formation
10/09/2008US20080245530 Method for a Short-Term Well Operation by Means of an Electrically-Powered Downhole Pumping Unit (Kuzmichev Method)
10/09/2008US20080245527 Use Of A Chopper Mechanism To Add Fibers To A Well
10/09/2008US20080245526 Fluid-flow system, device and method
10/09/2008US20080245525 Electric submersible pumping system with gas vent
10/09/2008CA2682099A1 Power lift generator
10/09/2008CA2628660A1 Real-time onsite internet communication with well manager for constant well optimization
10/08/2008EP1977080A1 Method to improve the injectivity of fluids and gases using hydraulic fracturing
10/08/2008EP1977079A1 Method for hydraulic fracturing of subterranean formation
10/08/2008EP1977078A1 Selective electromagnetic production tool
10/08/2008EP1977077A2 Containment of drilling waste material
10/08/2008EP1977075A1 Well tool having magnetically coupled position sensor
10/08/2008EP1893843B1 Apparatus and method for transferring fluids from a floating vessel to a subsea intervention module
10/08/2008CN201130316Y Liquid-rising sensor for oil pump
10/08/2008CN201129297Y Double screw rod electric submersible pump
10/08/2008CN201129294Y Anti-disabled rod pump fixing valve
10/08/2008CN201129290Y Reverse circulation hydraulic jet pump
10/08/2008CN201129171Y Multifunctional oil and sand separating device
10/08/2008CN201129170Y Hollow water distributor
10/08/2008CN201129169Y Self-cleaning type block-resistant sand prevention pipe
10/08/2008CN201129145Y Hydraulic block water pipe pillar
10/08/2008CN101283160A Heavy wax stimulation diverting agent
10/08/2008CN101280679A High-energy air fracturing construction tubular pile and using method thereof
10/08/2008CN101280678A Oil well chemical gorge and disgorge yield increasing and inverse direction regulating block connection working process
10/08/2008CN101280677A A flow control assembly having a fixed flow control device and an adjustable flow control device
10/08/2008CN101280676A Classification sand control filtering method
10/08/2008CN101279382A Method for processing trapezoid slotted screen tube from 13Cr petroleum case pipe
10/08/2008CN100424320C High-efficiency vacuum degasifier for gas-cutting drilling liquid
10/07/2008US7431846 Method for concentrating solids from drilling slurry
10/07/2008US7431572 Hydraulic oil well pumping installation
10/07/2008US7431106 Drilling method
10/07/2008US7431096 Embedded flex-lock slip liner hanger
10/07/2008US7431093 Protection scheme and method for deployment of artificial lift devices in a wellbore
10/07/2008US7431091 Method and apparatus for wellbore fluid treatment
10/07/2008US7431090 Methods and apparatus for multiple fracturing of subterranean formations
10/07/2008US7431089 Methods and compositions for selectively dissolving sandstone formations
10/07/2008US7431088 Methods of controlled acidization in a wellbore
10/07/2008US7431087 Internal breaker for oilfield fluids
10/07/2008US7431085 Gravel pack multi-pathway tube with control line retention and method for retaining control line
10/07/2008US7431084 Production of hydrogen from underground coal gasification
10/07/2008US7431083 Coal-bearing formation is perforated with the perforation charge to form initial perforations defined by carbonaceous material; combustion of the carbonaceous material is initiated using the oxidizing environments, thus enlarging the initial perforations, producing methane
10/07/2008US7431080 Anchor device to relieve tension from the rope socket prior to perforating a well
10/07/2008US7431076 Temperature limited heaters using modulated DC power
10/07/2008US7431075 Propellant fracturing of wells
10/07/2008US7430965 Debris retention perforating apparatus and method for use of same
10/07/2008CA2623904A1 Apparatus and method for the treatment of sour natural gas
10/07/2008CA2550750C Coiled tubing overbalance stimulation system
10/07/2008CA2516538C Compliant swage
10/07/2008CA2514776C Method for completing a well using increased fluid temperature
10/07/2008CA2494599C Expandable screen with external conduit
10/07/2008CA2439107C Creation of a downhole seal
10/07/2008CA2424395C Apparatus and methods for isolating a wellbore junction
10/07/2008CA2423031C Lightweight particulate materials and uses therefor
10/07/2008CA2337554C Formation treatment method using deformable particles
10/07/2008CA2319470C Apparatus for running two tubing strings into a well
10/02/2008WO2008118904A1 Energy efficient, low emissions shale oil recovery process
10/02/2008WO2008118241A1 Compositions and methods for treating a water blocked well
10/02/2008WO2008117222A1 Method for treating subterranean formation
10/02/2008WO2008117198A1 Apparatus, system, and method for determining injected fluid vertical placement
10/02/2008WO2008117048A1 Method and apparatus for controlling the manufacture of well treatment fluid
10/02/2008WO2008116899A2 Wellbore system and method of completing a wellbore
10/02/2008WO2008116896A2 Method of interconnecting subterranean boreholes
10/02/2008WO2008116323A1 Method and apparatus for slotting tubular steel
10/02/2008WO2008094069A3 Proppant, proppant production method and use of proppant
10/02/2008WO2008075242B1 Real-time automated heterogeneous proppant placement
10/02/2008WO2007124041A3 A system and method for estimating supercharge pressure and initial pressure of a formation
10/02/2008US20080237140 Adjustment of droplet distribution in a multi-phase fluid flow strea; fluid phase coalescer and a mixer; for generating radial acceleration are selected to provide fluid velocities and turbulence intensities so that desired effects of droplet coalescence or mixing are produced
10/02/2008US20080236845 Method for Increasing the Production of Hydrocaarbon Liquids and Gases
10/02/2008US20080236843 Inflow control device
10/02/2008US20080236842 Downhole oilfield apparatus comprising a diamond-like carbon coating and methods of use
10/02/2008US20080236834 Wireline bailing system for removing large volumes of liquid from a borehole
10/02/2008US20080236833 Fluid-flow system, device and method
10/02/2008US20080236832 Method for Treating Subterranean Formation
10/02/2008US20080236825 Particulate Material for Proppant Flowback Control
10/02/2008US20080236824 contacting zirconium triethanolamine complex with mixture of polyols comprising hydroxyalkylated diamine and hydrocarbon polyol; oil fields, hydraulic fracturing and plugging of permeable zones of subterranean formations; well bores
10/02/2008US20080236823 Degradable Fiber Systems for Stimulation
10/02/2008US20080236822 System and method for separating, monitoring and sampling coiled tubing flow back returns
10/02/2008US20080236821 Monitoring and automatic control of operating parameters for a downhole oil/water separation system
10/02/2008US20080236820 Production of natural gas from hydrates
10/02/2008US20080236815 Method and apparatus for continous downhole fluid release and well evaluation
10/02/2008US20080236812 Oil recovery by injection of steam, carbon dioxide and nitrogen
10/02/2008US20080236810 System for Power Supply to Subsea Installations
10/02/2008US20080236809 Drilling, completing and stimulating a hydrocarbon production well
10/02/2008US20080236808 Wellbore System
10/02/2008CA2682240A1 Apparatus, system, and method for determining injected fluid vertical placement
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