Patents for E21B 41 - Equipment or details not covered by groups (7,984)
10/2009
10/21/2009CN201330564Y Derrick lifting recovery unit
10/20/2009US7604049 Polymeric composites, oilfield elements comprising same, and methods of using same in oilfield applications
10/20/2009CA2533008C Corrosion inhibitor systems for low, moderate and high temperature fluids and methods for making and using same
10/20/2009CA2504844C Hydraulic fracturing method
10/20/2009CA2401681C Controlled downhole chemical injection
10/20/2009CA2398097C Vibration based downhole power generator
10/20/2009CA2354900C Apparatus and methods for isolating a wellbore junction
10/15/2009WO2009125293A2 Method and system for the extinction of an underwater well for the extraction of hydrocarbons under uncontrolled fluid discharge conditions
10/15/2009WO2009098447A3 Method for determining the viscosity of a waxy fluid in a shut-in pipeline
10/15/2009WO2009086180A3 Cladding for fatigue control
10/15/2009US20090255681 Off-center running tool for subsea tree
10/14/2009EP2108166A2 Modeling and designing of well drilling system that accounts for vibrations
10/14/2009CN201326602Y Double-medium cylinder
10/14/2009CN101555780A Self-operated drop instillator
10/13/2009US7600928 System and method for performing and protecting hybrid line splices
10/13/2009US7600565 Downhole trigger apparatus
10/13/2009CA2559020C Method and apparatus for drilling waste disposal engineering and operations using a probabilistic approach
10/13/2009CA2531542C Safety shield for rotary drilling rigs
10/13/2009CA2524681C Electrical transmission apparatus through rotating tubular members
10/08/2009WO2009123466A1 System and method related to downhole energy generation
10/08/2009WO2009122174A1 Underwater power supplies
10/08/2009WO2009122168A1 Communication system for a hydrocarbon extraction plant
10/08/2009WO2009093203A3 Connecting compliant tubular members at subsea locations
10/08/2009DE202009009082U1 Abtropfmatte Draining mat
10/07/2009EP2004953B1 Method for optimising the production of a cluster of wells
10/07/2009CN101553552A Degradable material assisted diversion
10/06/2009US7597139 Downhole trigger apparatus
10/06/2009CA2512328C Safety lock for elevators
10/01/2009WO2009120090A2 A collection device and method of using same
10/01/2009US20090242276 Pump Mechanism for Cooling of Rotary Bearings in Drilling Tools
10/01/2009CA2722617A1 A collection device and method of using same
09/2009
09/30/2009CN201318152Y Highly-integrated combined-type driller-controlled seat
09/30/2009CN100545414C Method and system for injecting a treatment fluid into a well
09/29/2009US7594551 Downhole supercharger process
09/29/2009US7594541 Pump control for formation testing
09/24/2009WO2009116869A2 Cleaning tool
09/24/2009WO2007057378A8 Wellbore system
09/23/2009EP2103776A2 System and method for selectively communicatable hydraulic nipples
09/22/2009CA2524749C System and method for placement of a packer in an open hole wellbore
09/17/2009WO2009113895A1 Use of electric submersible pumps for temporary well operations
09/17/2009WO2008106476A9 System and method for waterflood performance monitoring
09/17/2009US20090229830 Subsea well production system
09/17/2009CA2717858A1 System and method for controlling the flow of fluid in branched wells
09/16/2009CN100540839C Boring machine having differential global positioning system receiver for underwater rock and boring method thereof
09/15/2009US7590516 Method for quantifying uncertainties related to continuous and discrete parameters descriptive of a medium by construction of experiment designs and statistical analysis
09/15/2009US7588527 elemental sulfur reacts with chlorine to form sulfur chloride, reacting nSCL2 with H2S to form H2Sn+1( n=1 to 7) and HCl, oxidizing HCl to form Cl2, recycling produce Cl2; injecting the sulfanes liquid at room temperature into geological formations having a temperature lower than 150 degrees C.
09/11/2009WO2009110804A1 A method and device for making lateral openings out of a wellbore
09/11/2009CA2717007A1 A method and device for making lateral openings out of a wellbore
09/10/2009US20090223681 Zone isolation assembly for isolating a fluid zone in an existing subsurface well
09/09/2009EP2098679A1 A method and device for making lateral openings out of a wellbore
09/09/2009CN101529049A Fluid flowrate determination
09/08/2009US7584795 Sealed branch wellbore transition joint
09/08/2009CA2461278C Corrugated downhole tubulars
09/03/2009WO2009108940A2 Underground sequestration system and method
09/03/2009WO2009106875A2 Pressure actuable downhole tool and a method for actuating the same
09/03/2009US20090218137 Drilling rig drawworks installation
09/03/2009CA2711198A1 Pressure actuable downhole tool and method for actuating the same
09/02/2009EP2096257A1 Method for increasing the oil recovery of a productive formation
09/02/2009EP2095086A1 An apparatus for leakage testing and/or pressure testing of a portion of a pipe and also a method for use of same
09/02/2009CN100535381C Modeling, simulation and comparison of models for wormhole formation during matrix stimulation of carbonates
08/2009
08/27/2009US20090211999 Underwater deployment system
08/27/2009US20090211762 Detachable Electrical Actuator
08/27/2009US20090211761 Oil and gas well completion system and method of installation
08/26/2009CN101515039A Underground power supply and signal transmission system
08/25/2009US7578038 Apparatus and methods for remote installation of devices for reducing drag and vortex induced vibration
08/20/2009WO2009102218A2 Method and device for position control of a working organ of a down-hole actuator
08/20/2009WO2009065579A3 Sensor deployment
08/20/2009US20090205831 Method and tool for unblocking a control line
08/19/2009EP2089605A2 Discrete element modeling of rock destruction under high pressure conditions
08/18/2009US7575073 Separation of evolved gases from drilling fluids in a drilling operation
08/14/2009CA2652479A1 Apparatus to clear control line in well
08/13/2009WO2009098447A2 Method for determining the viscosity of a waxy fluid in a shut-in pipeline
08/13/2009WO2009098070A1 Subterranean storage of co2 or its derivatives
08/13/2009US20090200084 Injection System and Method
08/13/2009US20090200013 Well tubular, coating system and method for oilfield applications
08/13/2009US20090200011 Truck-mounted pumping system for treating a subterranean formation via a well with a mixture of liquids
08/13/2009DE19983678B4 Bohrloch-Aktivierungssystem Borehole activation system
08/12/2009EP2088281A1 Method for determining the viscosity of a waxy fluid in a shut-in pipeline
08/06/2009WO2009097574A2 Small footprint drilling rig
08/06/2009US20090194290 Control system for blowout preventer stack
08/05/2009CN100523428C A method and apparatus for creating a cemented lateral junction system
07/2009
07/30/2009WO2009093203A2 Connecting compliant tubular members at subsea locations
07/30/2009WO2009093058A1 Self-sealing method
07/30/2009WO2009092908A2 Device for measuring the movement of a subsea deformable pipeline
07/30/2009US20090188675 Drilling rigs with apparatus identification systems and methods
07/30/2009US20090188665 Monitoring of Downhole Parameters and Tools Utilizing Fiber Optics
07/30/2009CA2713133A1 Self-sealing method
07/29/2009CN201280917Y Mobile operating platform
07/29/2009CN101495713A System and method for optimization of gas lift rates on multiple wells
07/29/2009CN101495712A System and method for multivariable control in three-phase separation oil and gas production
07/28/2009CA2625281C Field development system and associated methods
07/23/2009WO2009045661A3 Composition and method for the solidification of toxic or hazardous drilling and agricultural waste
07/23/2009US20090183870 Apparatus and method
07/22/2009CN101487385A Downhole tool for reducing equivalent circulation density
07/21/2009CA2497027C Apparatus and methods for utilizing a downhole deployment valve
07/21/2009CA2422832C Downhole tubular string connections
07/16/2009WO2009087701A2 Igniter without pilot flame for oil well torch
07/16/2009US20090178810 Hydraulic overshot with removable setting and testing core
07/16/2009US20090178798 Fracturing isolation sleeve
07/15/2009EP2032838A4 Impulse rotor generator
1 ... 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 ... 80