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)
10/2005
10/27/2005US20050236184 Method and apparatus and program storage device adapted for automatic drill bit selection based on earth properties and wellbore geometry
10/27/2005US20050236155 Online thermal and watercut management
10/27/2005US20050236152 Method and apparatus and program storage device for front tracking in hydraulic fracturing simulators
10/27/2005US20050236016 Coiled tubing wellbore cleanout
10/27/2005US20050236015 Drill cutting deoiling
10/26/2005EP1588022A1 A system and a method for prediction and treatment of slugs being formed in a flow line or wellbore tubing
10/26/2005EP1588015A2 Apparatus and methods for drilling a wellbore using casing
10/26/2005CA2505318A1 Method and apparatus and program storage device for front tracking in hydraulic fracturing simulators
10/25/2005US6958704 Permanent downhole, wireless, two-way telemetry backbone using redundant repeaters
10/25/2005CA2411363C Apparatus and method to complete a multilateral junction
10/21/2005CA2464970A1 Portable combination flare and holding tank apparatus and method of use
10/20/2005US20050232708 Automatically adjustable caisson clamp
10/20/2005US20050230973 Vibration based power generator
10/20/2005US20050230151 Apparatus and method for opening and closing lateral boreholes
10/20/2005US20050230118 Apparatus and methods for utilizing a downhole deployment valve
10/18/2005CA2156987C Diverter and method for running a diverter
10/13/2005US20050224258 Apparatus and methods for powering downhole electrical devices
10/13/2005US20050224226 Force Transfer Apparatus to Assist Release of Loaded Member
10/12/2005CN1682008A Three-dimensional well system for accessing subterranean zones
10/12/2005CN1682007A Drilling method
10/12/2005CN1222678C Drilling and completion system for multilateral wells
10/11/2005US6953087 Thermal processing of a hydrocarbon containing formation to increase a permeability of the formation
10/11/2005CA2240520C Apparatus for setting a liner in a well casing
10/06/2005US20050217897 Oil drilling tool
10/06/2005US20050217867 Apparatus to allow a coiled tubing tractor to traverse a horizontal wellbore
10/06/2005US20050217861 Apparatus to allow a coiled tubing tractor to traverse a horizontal wellbore
10/06/2005US20050217858 Apparatus and method of drilling with casing
10/06/2005US20050217846 Device for a long well tool
10/05/2005CN2731062Y Smooth pedal for oil well
10/05/2005CN1677597A Microelectromechanical devices
10/04/2005US6951252 Surface controlled subsurface lateral branch safety valve
10/04/2005CA2190798C Shaft alignment
10/01/2005CA2502496A1 Apparatus to allow a coiled tubing tractor to traverse a horizontal wellbore
09/2005
09/29/2005WO2005091204A1 Method and apparatus for chemometric estimations of fluid density, viscosity, dielectric constant, and resistivity from mechanical resonator data
09/29/2005WO2005091096A1 Method and apparatus and program storage device including an integrated well planning workflow control system with process dependencies
09/29/2005WO2005090750A1 Method and apparatus and program storage device adapted for automatic drill string design based on wellbore geometry and trajectory requirements
09/29/2005WO2005090749A1 Method and apparatus and program storage device adapted for automatic drill bit selection based on earth properties
09/29/2005WO2004099917A3 Stochastically generating facility and well schedules
09/29/2005US20050214079 Use of hydrate slurry for transport of associated gas
09/29/2005US20050213898 Cable Splice Protector
09/29/2005US20050211468 Method and apparatus and program storage device adapted for automatic drill string design based on wellbore geometry and trajectory requirements
09/29/2005US20050211436 Methods of heating energy storage devices that power downhole tools
09/29/2005DE102005010535A1 Vorrichtung und Verfahren zum Erzeugen elektrischer Energie in einem Bohrloch Apparatus and method for generating electric energy in a borehole
09/28/2005CN2729303Y Drilling spray electronic ignitor
09/27/2005US6948563 In situ thermal processing of a hydrocarbon containing formation with a selected hydrogen content
09/22/2005WO2005088066A1 Method and apparatus for drilling waste disposal engineering and operations using a probabilistic approach
09/22/2005WO2005086736A2 Providing a local response to a local condition in an oil well
09/22/2005WO2005086565A2 Leadless sub assembly for downhole detection system
09/22/2005US20050209836 Method and apparatus and program storage device including an integrated well planning workflow control system with process dependencies
09/22/2005US20050207279 Apparatus and methods for self-powered communication and sensor network
09/22/2005CA2789735A1 Providing a local response to a local condition in an oil well
09/22/2005CA2789217A1 Drilling method
09/22/2005CA2789215A1 Drilling with a muscular drill string
09/22/2005CA2789181A1 System for controlling oil well drill dynamics
09/21/2005EP1109974B1 Well riser lateral restraint and installation system for offshore platform
09/15/2005WO2005085590A1 System and method for optimizing production in a artificially lifted well
09/15/2005WO2005085588A1 Annular pressure relief collar
09/15/2005WO2005084376A2 Rotating systems associated with drill pipe
09/15/2005WO2005084246A2 Safemode operating system for a drilling or service rig
09/15/2005US20050203723 Method and apparatus for drilling waste disposal engineering and operations using a probabilistic approach
09/15/2005US20050200210 Apparatus and method for generating electrical power in a borehole
09/15/2005US20050199388 Safemode operating system for a drilling or service rig
09/14/2005EP1313665A4 Web-based system and method for evaluating oil and gas properties
09/14/2005CN2725517Y Wheel type hydraulic drifting machine
09/13/2005US6943340 Method and apparatus of providing an optical fiber along a power supply line
09/13/2005US6942030 Three-dimensional well system for accessing subterranean zones
09/13/2005CA2161874C Drill bit and other downhole tools
09/08/2005US20050194191 Roller cone drill bits with enhanced drilling stability and extended life of associated bearings and seals
09/08/2005US20050194188 Method of drilling and completing multiple wellbores inside a single caisson
09/08/2005US20050194187 Rotating systems associated with drill pipe
09/08/2005US20050194186 Apparatus and method for pressure-compensated telemetry and power generation in a borehole
09/08/2005US20050194183 Providing a local response to a local condition in an oil well
09/07/2005EP1571105A2 Method and arangement for the storage of CO2 dissolved in water and its permanent fixation in geologic formations
09/07/2005CN1664301A Roller cone drill bits with enhanced cutting elements and cutting structures
09/07/2005CN1664300A Roller cone drill bits with enhanced drilling stability and extended life of associated bearings and seals
09/06/2005US6938708 Electrically sequenced tractor
09/06/2005US6938697 Apparatus and methods for tubular makeup interlock
09/06/2005US6938690 Downhole tool and method for fracturing a subterranean well formation
09/06/2005US6938689 Communicating with a tool
09/06/2005US6938470 Method and apparatus for downhole fluid characterization using flexural mechanical resonators
09/06/2005CA2352604C Expandable tubing joint and through-tubing multilateral system and method
09/06/2005CA2207690C Remote control for a plug-dropping head
09/01/2005US20050192855 System for evaluating over and underbalanced drilling operations
09/01/2005US20050189148 Nozzle bore for high flow rates
09/01/2005US20050189115 Subsea Intervention
09/01/2005US20050189107 Annular pressure relief collar
09/01/2005DE102004004689A1 Process to trap and store atmospheric carbon dioxide in a chilled sub-surface store within calcium mineral deposits
08/2005
08/31/2005EP1567746A1 Apparatus and method for opening and closing lateral boreholes
08/31/2005CN2721867Y Device of moving hoister
08/30/2005US6935431 Well reference apparatus and method
08/30/2005US6935428 Apparatus and methods for anchoring and orienting equipment in well casing
08/30/2005US6935422 Expanding wellbore junction
08/30/2005CA2361359C Method and apparatus for multilateral junction
08/25/2005WO2005078236A1 Method and system for lining multilateral wells
08/25/2005WO2005078233A1 Power generation system
08/25/2005WO2005076904A2 Process to sequester co2 in natural gas hydrate fields and simultaneously recover methane
08/25/2005US20050183574 Systems and methods for storing and handling drill cuttings
08/25/2005DE102005004353A1 Unterwasser-Installationsvorrichtung Underwater installation device
08/23/2005US6933856 Adaptive acoustic transmitter controller apparatus and method
08/23/2005US6932168 Method for making a well for removing fluid from a desired subterranean formation
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