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 41 - Equipment or details not covered by groups
Patents for E21B 41 - Equipment or details not covered by groups (7,984)
08/2010
08/19/2010US20100206553 Coated oil and gas well production devices
08/19/2010US20100206544 Integrated Cable Hanger Pick-Up System
08/19/2010US20100206166 Device and method for separating particles out from a fluid
08/19/2010DE19983531B4 Ummantelung zur Geräuschdämpfung bei einer Gesteinsbohrausrüstung Jacket for noise attenuation at a rock drilling
08/18/2010EP2217791A1 Gravel packing methods
08/18/2010CN201554247U Compact oil-well rig electric control room
08/17/2010US7775290 Apparatus for radially expanding and plastically deforming a tubular member
08/17/2010CA2683339C Method and system for improving pump efficiency and productivity under power disturbance conditions
08/17/2010CA2683320C Method and system for improving pump efficiency and productivity under power disturbance conditions
08/17/2010CA2595460C Microemulsion containing oil field chemicals useful for oil and gas field applications
08/12/2010WO2010090530A1 Pressure-reducing turbine with a power generator disposed in a well stream
08/12/2010WO2010088874A2 Method for producing natural gas from hydrocarbon hydrates while simultaneously storing carbon dioxide in geological formations
08/12/2010WO2009073414A3 Magnetic motor shaft couplings for wellbore applications
08/12/2010WO2009063189A3 Methods for geomechanical fracture modeling
08/12/2010US20100200247 System and Method for Controlling Fluid Injection in a Well
08/12/2010US20100200241 Funnel system anad method
08/12/2010CA2754356A1 Method for producing natural gas from hydrocarbon hydrates while simultaneously storing carbon dioxide in geological formations
08/11/2010EP2215327A1 Harvesting energy from flowing fluid
08/11/2010CN1930573B Method and apparatus for chemometric estimations of fluid density, viscosity, dielectric constant, and resistivity from mechanical resonator data
08/10/2010US7770650 Integral orientation system for horizontal tree tubing hanger
08/05/2010WO2010086580A2 Pumps
08/05/2010WO2010051165A9 Elastic hollow particles for annular pressure buildup mitigation
08/04/2010EP2212515A2 Harvesting energy in remote locations
08/04/2010CN201539233U Protection cap for disassembling and assembling traveling block elevator link
08/03/2010CA2603667C Apparatus and method for transferring fluids from a floating vessel to a subsea intervention module
07/2010
07/29/2010WO2009087701A3 Igniter without pilot flame for oil well torch
07/29/2010US20100186964 Connection device
07/29/2010US20100186949 Assembly for Controlled Delivery of Downhole Treatment Fluid
07/29/2010US20100186944 Accessible Downhole Power Assembly
07/28/2010EP2211015A2 Connection device
07/28/2010CN101787856A Reentry method of later-operation pipe column of multi-branch well
07/22/2010DE102008003826B4 Verwendung von Salzen als Korrosionsinhibitoren mit erhöhter biologischer Abbaubarkeit und verminderter Toxizität und diese Salze Use of salts as corrosion inhibitors having increased biodegradability, and reduced toxicity, and these salts
07/21/2010EP2208854A2 Well tools incorporating valves operable by low electrical power input
07/21/2010CN101785151A High pressure, high voltage penetrator assembly
07/21/2010CN101784744A Power transmission system for use with downhole equipment
07/15/2010WO2010079327A1 Pressure management system for well casing annuli
07/15/2010WO2010079320A1 Method and apparatus for in-situ wellbore measurements
07/15/2010US20100175950 Adjustable work platform for pipe and casing stabbing operations
07/15/2010US20100175885 System and Apparatus for Drilling Riser Conduit Clamp
07/15/2010CA2748658A1 Pressure management system for well casing annuli
07/15/2010CA2748332A1 Method and apparatus for in-situ wellbore measurements
07/15/2010CA2649904A1 Adjustable work platform for pipe and casing stabbing operations
07/14/2010EP2206880A2 Modular electro-hydraulic controller for well tool
07/14/2010EP2206878A2 Multi-position hydraulic actuator
07/14/2010CN201526301U Dustproof guide sleeve for rotary drill rig
07/13/2010CA2441757C Method for preventing critical annular pressure buildup
07/08/2010WO2010076416A1 Method for blocking a storage well
07/08/2010US20100170678 Mounting a Module on an Underwater Structure
07/08/2010US20100170671 Systems and methods for providing electrical transmission in downhole tools
07/07/2010EP2203627A2 Method and device
07/06/2010US7748460 Method and apparatus for wellbore fluid treatment
07/06/2010CA2604810C Method for selecting and using drilling operating parameters for a drilling unit
06/2010
06/30/2010CN101761321A Well blowout out-of-control path type ignition system
06/24/2010WO2010046686A3 Method and apparatus for subsea installations
06/24/2010WO2009056842A3 Object manoeuvring apparatus
06/24/2010US20100155076 System for providing rotational power in a subsea environment
06/24/2010US20100155071 Subsea Force Generating Device and Method
06/24/2010US20100155066 Proppant control in an lpg frac system
06/23/2010EP2198113A2 A downhole assembly
06/23/2010CN1755061B Roller cone drill bits with optimized bearing structure
06/22/2010US7740078 Method and device to clamp control lines to tubulars
06/17/2010WO2010066874A2 Subsea well intervention module
06/17/2010WO2010065993A1 Removal/fitting of subsea sealing plug(s)
06/17/2010US20100147527 Subsea boosting cap system
06/17/2010CA2743008A1 Subsea well intervention module
06/16/2010EP2196622A1 Subsea well intervention module
06/16/2010CN101737007A Self-propelled heavy desert workover rig chassis
06/15/2010US7739089 Integrated reservoir optimization
06/15/2010CA2635852C Ball catcher for wellbore operations
06/15/2010CA2558625C Drive for a rotating chemical dispensing apparatus
06/15/2010CA2510139C Method and system for improving pump efficiency and productivity under power disturbance conditions
06/10/2010WO2010065210A1 Sub-sea chemical injection metering valve
06/10/2010US20100139924 Method and apparatus for removing plugs from subsea equipment through the use of exothermic reacting chemicals
06/10/2010CA2806479A1 Methods and systems for characterizing lcm particle plugging and rheology in real time
06/10/2010CA2744481A1 Sub-sea chemical injection metering valve
06/09/2010EP2193251A1 Well construction using small laterals
06/08/2010US7730954 Hydraulic control and actuation system for downhole tools
06/08/2010CA2552805C Tubular running apparatus
06/03/2010WO2010060434A2 Net with bands of composite material
06/02/2010EP2192264A1 Net with bands of composite material
06/02/2010EP2191096A2 Devices and methods for dynamic boring procedure reconfiguration
06/01/2010CA2629578C Movable wellhead platform
06/01/2010CA2485810C System and method to control multiple tools through one control line
05/2010
05/27/2010WO2010058160A1 Apparatus and method for servicing a wellbore
05/27/2010WO2010030190A3 Deep water well intervention system
05/27/2010US20100126716 Actuator For Downhole Tools
05/27/2010CA2743381A1 Apparatus and method for servicing a wellbore
05/26/2010EP2189623A2 Generation of a pressure pulse of known magnitude
05/26/2010EP2189621A1 Well tool system and method of operating a downhole well tool
05/26/2010CN201486541U Liquid level flow display device of reagent feeding barrel at mouth of oil well
05/26/2010CN1711405B Downhole hydraulic control line connector
05/20/2010WO2010056523A1 Diaphragm pumps and transporting drag reducers
05/20/2010WO2010035135A3 Asset integrity management system and methodology for underground storage
05/20/2010WO2009024544A3 Method for virtual metering of injection wells and allocation and control of multi-zonal injection wells
05/20/2010WO2009023490A3 Piezoelectric generator particularly for use with wellbore drilling equipment
05/20/2010US20100122811 Systems and methods for mitigating annular pressure buildup in an oil or gas well
05/20/2010CA2741849A1 Diaphragm pumps and transporting drag reducers
05/19/2010CN101709635A Lead-in device of branch mechanism for six-stage branch well
05/18/2010US7720323 High-temperature downhole devices
05/18/2010CA2551569C Downhole gas compressor
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