Patents for E21B 41 - Equipment or details not covered by groups (7,984)
03/2005
03/15/2005US6866097 Superpositioning of heaters for pyrolysis to form mixture of hydrocarbons and hydrogen; controlling pressure; heat exchanging
03/15/2005CA2480537A1 Downhole force generator and method for use of same
03/15/2005CA2236011C Method for verifying positive inflation of an inflatable element
03/10/2005WO2005021920A2 Downhole tubular splitter assembly and method
03/10/2005US20050055163 Borehole equipment position detection system
03/10/2005US20050051324 Drilling rig elevator safety system
03/10/2005US20050051323 Borehole discontinuities for enhanced power generation
03/10/2005CA2480540A1 Borehole discontinuities for enhanced power generation
03/09/2005EP1511912A2 Downhole tool deployment safety system and methods
03/09/2005CN2683820Y Well servicing unit
03/09/2005CN1592816A Thermoacoustic electric power generator
03/08/2005US6864593 Device for producing of electric energy and of signal transmitting pressure pulses
03/08/2005US6863129 Method and apparatus for providing plural flow paths at a lateral junction
03/08/2005US6863126 Alternate path multilayer production/injection
03/08/2005CA2353900C Closed loop chemical injection and monitoring system for oilfield operations
03/03/2005WO2005019600A2 Hydraulically actuated control system for use in a subterranean well
03/03/2005WO2005019598A1 Methods for navigating and for positioning devices in a borehole system
03/03/2005US20050045331 Secure activation of a downhole device
03/02/2005EP1509674A1 Modeling, simulation and comparison of models for wormhole formation during matrix stimulation of carbonates
03/02/2005EP1509670A1 Downhole cathodic protection cable system
03/02/2005CN2682197Y Hand protector for repairing pumping rod
03/01/2005CA2292541C Electro-hydraulic well tool actuator
02/2005
02/24/2005WO2005017302A2 Changing the temperature of offshore produced water
02/24/2005US20050039921 Wellbore power generating system for downhole operation
02/24/2005US20050039915 Methods for navigating and for positioning devices in a borehole system
02/24/2005US20050039914 Hydraulically actuated control system for use in a subterranean well
02/24/2005US20050039913 Changing the temperature of offshore produced water
02/23/2005EP1508666A2 Method and apparatus for completing wells with lateral branches
02/23/2005EP1303681A4 Well management system
02/22/2005US6857484 Steering tool power generating system and method
02/17/2005WO2005015024A1 Galvanic corrosion protection apparatus for a pump
02/17/2005WO2005014192A1 Process for the disposal of sulfur in the form of compounds liquid at room temperature
02/17/2005WO2005014191A1 Process for the disposal of sulfur
02/17/2005US20050034856 Microbial growth inhibiting material and method of forming
02/17/2005US20050034855 Well having inhibited microbial growth
02/16/2005EP1383984B1 Downhole electrical power system
02/16/2005EP1234100B1 Production valve
02/15/2005US6855261 Method for handling and disposing of drill cuttings
02/15/2005CA2327773C Method and apparatus for completing a wellbore
02/10/2005WO2005012688A1 Method and system for accessing subterranean deposits from the surface and tools therefor
02/08/2005US6851444 Closed loop additive injection and monitoring system for oilfield operations
02/08/2005CA2074954C Device for the assembly or disassembly of probes in process pipes, tanks, etc
02/03/2005WO2005010557A2 Method for producing full field radial grid for hydrocarbon reservoir simulation
02/03/2005WO2005010318A1 Construction of a tubular at a downhole location
02/03/2005US20050024231 Apparatus and methods for self-powered communication and sensor network
02/02/2005EP1502005A1 Method and apparatus for determining drill string movement mode
02/02/2005EP1502004A1 System and method for interpreting drilling data
02/02/2005EP1502003A2 Method for improving drilling depth measurements
02/01/2005US6848539 Work platform for blowout preventer stacks
02/01/2005US6848504 Apparatus and method to complete a multilateral junction
02/01/2005US6848503 Wellbore power generating system for downhole operation
01/2005
01/27/2005US20050021234 Method for producing full field radial grid for hydrocarbon reservoir simulation
01/27/2005US20050016729 Linearly scalable geothermic fuel cells
01/26/2005EP1500783A2 Method of designing a roller cone bit
01/26/2005EP1500782A2 Method of designing a roller cone bit
01/26/2005EP1500781A2 Method of designing a roller cone bit
01/26/2005EP1060450A4 Method for measuring and controlling the flow of natural gas from gas wells
01/26/2005CN1570345A Transporting and handling implement for rapid adapter or joint in cementing-head apparatus
01/25/2005US6845821 Separation oil, water in wells; vertical oil accumulation channel; transverse plates
01/20/2005WO2005005771A1 Self orienting lateral junction system
01/20/2005US20050012340 Downhole electrical submersible power generator
01/20/2005US20050012036 Providing a light cell in a wellbore
01/19/2005EP1498575A2 Method of designing a roller-cone drill bit.
01/19/2005EP1498574A2 Method of determining a drilling parameter of a roller-cone drill bit
01/19/2005EP1498573A2 Method for designing a roller-cone bit
01/19/2005EP1498572A2 Roller-cone bits, systems, drilling methods, and design methods with optimization of tooth orientation
01/19/2005EP1435120B1 Operating electrolyte based components
01/19/2005EP1234099B1 Downhole pulser
01/13/2005WO2005003511A1 Apparatus and method for sealing a wellbore
01/13/2005WO2004079150A3 Full bore lined wellbores
01/13/2005US20050006100 Self orienting lateral junction system
01/12/2005EP1109609A4 Apparatus and method for handling waste
01/12/2005CN2670593Y Power recovering brake system of petroleum drilling machine
01/11/2005US6842700 Method and apparatus for effective well and reservoir evaluation without the need for well pressure history
01/11/2005US6840321 Multilateral injection/production/storage completion system
01/11/2005US6840317 Wireless downwhole measurement and control for optimizing gas lift well and field performance
01/11/2005US6840315 Device for cleaning an inner pipe inserted into a gas or oil producing well
01/06/2005US20050002740 Guide device in an offshore drilling installation
01/06/2005US20050000697 Formed tubulars
01/05/2005EP1268972B1 Pressure boost pump
01/05/2005CN2668843Y Guider for branch well joining-in again
01/05/2005CN2668842Y Fluid concentrated-delivering pipe mechanism
01/04/2005US6838485 Treatments for drill cuttings
01/04/2005CA2337030C Downhole multiplexer and related methods
12/2004
12/30/2004US20040265682 Operating electrolyte based components
12/30/2004US20040265066 Apparatus and method for horizontal subsea connection
12/30/2004US20040263350 Permanent downhole, wireless, two-way telemetry backbone using redundant repeaters
12/30/2004US20040262008 Subsea communications system
12/30/2004US20040262006 Method and apparatus for multilateral junction
12/29/2004WO2004113677A1 Apparatus and method for self-powered communication and sensor network
12/29/2004EP1491714A2 Multilateral well drilling and completion method and appratus
12/23/2004WO2004111389A1 System and method for transmitting electric power into a bore
12/23/2004US20040258482 Subsea connection apparatus
12/23/2004US20040256152 Real-time drilling optimization based on MWD dynamic measurements
12/23/2004US20040256100 Method and apparatus of providing an optical fiber along a power supply line
12/22/2004EP1489260A1 Downhole tool and method of fracturing a well formation
12/22/2004EP1192715B1 Opto-electrical actuation system and method
12/16/2004US20040251053 Methods for evaluating cutting arrangements for drill bits and their appliction to roller cone drill bit designs
12/16/2004US20040251032 Apparatus and methods for utilizing a downhole deployment valve
12/15/2004EP1274992A4 Apparatus and method for downhole well equipment and process management, identification, and actuation
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