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)
11/2010
11/11/2010US20100282464 Method of propping agent delivery to the well
11/11/2010US20100282463 Pump In Reverse Outliner Drilling System
11/11/2010US20100282462 Methods for making and using uv/eb cured precured particles for use as proppants
11/11/2010US20100282460 Converting Organic Matter From A Subterranean Formation Into Producible Hydrocarbons By Controlling Production Operations Based On Availability Of One Or More Production Resources
11/11/2010DE102009019287A1 Verfahren zum Aufheizen von Erdböden, zugehörige Anlage und deren Verwendung Method for heating of soils, associated plant and their use
11/11/2010CA2761019A1 Pump in reverse outliner drilling system
11/11/2010CA2760235A1 Treatment fluids for reduction of water blocks, oil blocks, and/or gas condensates and associated methods
11/11/2010CA2757483A1 Converting organic matter from a subterranean formation into producible hydrocarbons by controlling production operations based on availability of one or more production resources
11/11/2010CA2755558A1 Amine sacrificial agents and methods and products using same
11/11/2010CA2697089A1 Production tubing drain valve
11/10/2010EP2248992A2 At-surface tool for pulsed injection of liquids
11/10/2010EP2247821A1 Separation and capture of liquids of a multiphase flow
11/10/2010EP2247820A1 Parallel adaptive data partitioning on a reservoir simulation using an unstructured grid
11/10/2010EP2247819A1 Method and apparatus for in situ testing of gas flow controllers
11/10/2010EP2247817A1 Underwater connection installation
11/10/2010EP1501644B1 Protective sleeve for threaded connections for expandable liner hanger
11/10/2010CN201627989U Self-locking type high-voltage one-way valve
11/10/2010CN201627707U Oil production device capable of overcoming gas locking of gas contained oil well
11/10/2010CN201627575U Oil well air-lock-preventing oil pumping pipe column
11/10/2010CN201627574U High-efficient gas-sand anchor
11/10/2010CN201627573U Horizontal well completion device with pressure controlling and water-coning retaining functions
11/10/2010CN201627572U Downhole choke
11/10/2010CN201627571U Rear-mounted oil pumping truck
11/10/2010CN201627570U Directly-driving walking-beam balanced pumping unit
11/10/2010CN201627569U Energy-saving oil pumping unit for oil field
11/10/2010CN201627567U Vertical choke-kill manifold for oceanic use
11/10/2010CN201627566U Non-return type oil nozzle sleeve
11/10/2010CN201627565U Choke seat
11/10/2010CN201627563U Hot melt steam injection packer
11/10/2010CN201627560U Device for fracturing wellhead
11/10/2010CN1777735B Method and composition for enhanced hydrocarbons recovery
11/10/2010CN1244742B High electric resistance earthing system for oil well electric system
11/10/2010CN101883909A Method of radially expanding a tubular element
11/10/2010CN101881435A Flue gas multi-return high-pressure and direct-current steam injection boiler body
11/10/2010CN101881434A Vehicle-mounted high-pressure DC steam injection boiler system with three-pass flue gas
11/10/2010CN101881154A Mechanical oil recovery testing platform
11/10/2010CN101881151A Rapid solution construction method for rock salt cavity
11/10/2010CN101881150A Hydraulic cutting nozzle with residue filer device
11/10/2010CN101881149A Heat injection drilling and sealing method of heating coalbed
11/10/2010CN101881148A Jacket riser mounting method and special riser component thereof
11/10/2010CN101881147A Suspension chain positioning device for positioning depth of buoy in sea
11/10/2010CN101881146A Swinging double-well pumping unit
11/10/2010CN101881145A Tower frame type combined transmission numerically controlled pumping unit
11/10/2010CN101880630A Method for increasing oil recovery ratio by utilizing symbiotic reproduction and complex metabolism and microbial preparation
11/10/2010CN101880523A Enzyme-microbe coupled fracturing fluid system and preparation method and applications thereof
11/10/2010CN101879385A Device for harmlessly treating crude oil containing mud and sand
11/10/2010CN101182764B High-temperature mixer generators plant
11/09/2010US7829510 Pumping a fracturing fluid including an acidifying agent and a surface modifying agent into a producing formation to enhance productivity at a pressure sufficient to fracture the formation and simultaneously to modify aggregation potential and zeta-potential of formation particles and formation surfaces
11/09/2010US7829508 Methods and compositions of controlling the rheology of a diutan-containing well treatment fluid at high temperatures
11/09/2010US7828061 Method and apparatus for on-site nitrate production for a water processing system
11/09/2010US7828059 Dual zone flow choke for downhole motors
11/09/2010US7828058 Monitoring and automatic control of operating parameters for a downhole oil/water separation system
11/09/2010US7828057 Microwave process for intrinsic permeability enhancement and hydrocarbon extraction from subsurface deposits
11/09/2010US7828056 Method and apparatus for connecting shunt tubes to sand screen assemblies
11/09/2010US7828055 Apparatus and method for controlled deployment of shape-conforming materials
11/09/2010US7828051 Perforating gun
11/09/2010CA2653725C Perforating methods and devices for high wellbore pressure applications
11/09/2010CA2625753C Method of isolating open perforations in horizontal wellbores using an ultra lightweight proppant
11/09/2010CA2619380C Methods for extracting oil from tar sand
11/09/2010CA2599204C Multiple port cross-over design for frac-pack erosion mitigation
11/09/2010CA2592839C Well production optimizing system
11/09/2010CA2575468C A modular, distributed, rov retrievable subsea control system, associated deepwater subsea blowout preventer stack configuration, and methods of use
11/09/2010CA2473073C Vessel for well intervention
11/09/2010CA2462087C Method for the recovery of hydrocarbons from hydrates
11/09/2010CA2442649C Methods of introducing treating fluids into subterranean producing zones
11/09/2010CA2430793C Junction isolation apparatus and methods for use in multilateral well treatment operations
11/09/2010CA2369417C Water, oil and gas well recovery system
11/04/2010WO2010127126A2 Flow-actuated actuator and method
11/04/2010WO2010126971A2 Systems and methods for reducing vortex induced vibrations
11/04/2010WO2010126925A2 Wellbore fluids employing sacrificial viscosifiers
11/04/2010WO2010126874A2 Systems and methods for installing structures in a body of water
11/04/2010WO2010126262A2 Apparatus for extracting crude oil from sand
11/04/2010WO2010124932A2 Method for heating the ground, related system and use thereof
11/04/2010WO2010124611A1 Control system for oil pumping system
11/04/2010WO2010124582A1 Pumping unit system and electricity-saving control method thereof
11/04/2010WO2010124394A1 Method and apparatus for separating downhole hydrocarbons from water
11/04/2010WO2010101612A3 Method for recovering energy in-situ from underground resorces
11/04/2010WO2010070348A3 Subsea system
11/04/2010WO2009129444A3 Methods of treating a hydrocarbon containing formation
11/04/2010WO2009129442A3 Method for recovery of hydrocarbons from a subsurface hydrocarbon containing formation
11/04/2010WO2009118467A3 Method of installing an underwater riser
11/04/2010WO2009102804A3 Systems and methods for positioning of pads and orienting slot templates
11/04/2010WO2009009297A3 Generating heated fluid
11/04/2010WO2008151315A3 Insert sleeve forming device for a recess shoe
11/04/2010US20100276983 Integration of an in-situ recovery operation with a mining operation
11/04/2010US20100276156 Wellhead System Having a Tubular Hanger Securable to Wellhead and Method of Operation
11/04/2010US20100276152 Acidic aqueous solution containing a chelating agent and the use thereof
11/04/2010US20100276151 Dual Functional Components and Associated Methods
11/04/2010US20100276150 Provision of viscous compositions below ground
11/04/2010US20100276149 Method for Treating a Hydrocarbon Formation
11/04/2010US20100276148 Hot fluid recovery of heavy oil with steam and carbon dioxide
11/04/2010US20100276147 lower sheet and upper sheet; lower sheet is typically planar sheet material, suitably cellulosic in composition and printable, and pervious to steam, water vapor and sterilization gases; printing domain being surrounded and blocked by first and second seal lines; prevents contamination by inks
11/04/2010US20100276146 Method and apparatus to enhance oil recovery in wells
11/04/2010US20100276145 Milling system and method of milling
11/04/2010US20100276144 High pressure/deep water perforating system
11/04/2010US20100276142 Method of treating proppants and fractures in-situ with fluorinated silane
11/04/2010US20100276141 Creating fluid injectivity in tar sands formations
11/04/2010US20100276140 Method for Viscous Hydrocarbon Production Incorporating Steam and Solvent Cycling
11/04/2010US20100276139 System and method for generation of synthesis gas from subterranean coal deposits via thermal decomposition of water by an electric torch
11/04/2010US20100276136 Internally supported perforating gun body for high pressure operations
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