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)
08/2005
08/23/2005CA2334683C Drill pipe protector assembly
08/18/2005US20050179263 Power generation system
08/18/2005US20050178673 Axial current meter for in-situ continuous monitoring of corrosion and cathodic protection current
08/18/2005US20050178555 Sealed multilateral junction system
08/18/2005US20050178542 Method and apparatus for exploiting oilfields
08/18/2005DE102005004606A1 Einstellbares, im Bohrloch anzuordnendes Werkzeug Adjustable, to be arranged in the downhole tool
08/17/2005EP1563161A1 Re-entry in multilateral wellbores
08/17/2005EP1395732B1 In-situ casting of well equipment
08/17/2005CN1656299A Modeling, simulation and comparison of models for wormhole formation during matrix stimulation of carbonates
08/16/2005US6929075 Automated bore planning system for horizontal directional drilling
08/16/2005US6928864 Tool assembly and monitoring applications using same
08/16/2005US6928709 Apparatus for remote installation of devices for reducing drag and vortex induced vibration
08/16/2005CA2270162C Deformed multiple well template and process of use
08/13/2005CA2496860A1 Microelectromechanical devices
08/11/2005WO2005073500A1 System tank and output unit for transporting untreated drill cuttings
08/11/2005US20050175415 Apparatus and methods for remote installation of devices for reducing drag and vortex induced vibration
08/11/2005US20050173121 Multi-layered wellbore junction
08/11/2005US20050173114 System and method for optimizing production in an artificially lifted well
08/11/2005US20050172699 Method for forming an optimum stochastic model of a heterogeneous underground zone, calibrated with dynamic data by parametrization of continuous distributions
08/10/2005EP1561899A1 Turbine for generating power in a fluid stream
08/10/2005EP1250512B1 Vibration based downhole power generator
08/09/2005US6926467 Method and device for replacing equipment on the seabed
08/09/2005US6926102 Subsea controlled milling
08/04/2005WO2005071222A1 Real time earth model for collaborative geosteering
08/04/2005WO2005071208A1 Downhole drilling of a lateral hole
08/04/2005US20050171751 Method system and program storage device for simulating a multilayer reservoir and partially active elements in a hydraulic fracturing simulator
08/04/2005US20050171698 Real time earth model for collaborative geosteering
08/04/2005US20050167159 Drilling fluid for casing drilling
08/04/2005US20050167120 Sealed multilateral junction system
08/04/2005US20050167117 Underwater installation apparatus
08/04/2005US20050167115 Sealed multilateral junction system
08/04/2005US20050167114 Sealed multilateral junction system
08/04/2005US20050167113 Sealed multilateral junction system
08/04/2005US20050167112 Sealed multilateral junction system
08/04/2005US20050167111 Sealed multilateral junction system
08/04/2005US20050167110 Sealed multilaterial junction system
08/04/2005US20050167109 Sealed branch wellbore transition joint
08/04/2005US20050166961 Closed loop additive injection and monitoring system for oilfield operations
08/04/2005CA2553236A1 Downhole drilling of a lateral hole
08/03/2005EP1559867A1 Methods and compositions for treating subterranean formations with gelled hydrocarbon fluids
08/03/2005EP1559866A1 Methods of completing a subterranean well and associated apparatus
08/03/2005EP1559864A1 Downhole drilling of a lateral hole
08/02/2005US6923871 Cleaning bore hole using high energy, low energy jets
08/02/2005US6923275 Multi seam coal bed/methane dewatering and depressurizing production system
08/02/2005US6923274 Retrievable pre-milled window with deflector
08/02/2005US6923258 In situ thermal processsing of a hydrocarbon containing formation to produce a mixture with a selected hydrogen content
07/2005
07/29/2005CA2491807A1 Sealed branch wellbore transition joint
07/29/2005CA2484465A1 Methods and compositions for treating subterranean formations with gelled hydrocarbon fluids
07/28/2005WO2005068777A2 Methods of using sealants in multilateral junctions
07/28/2005WO2005068775A1 Electrically operated actuation tool for subsea completion system components
07/28/2005WO2005068774A1 Control system of an actuator for the actuation of submarine devices
07/28/2005US20050163573 Methods for remote installation of devices for reducing drag and vortex induced vibration
07/28/2005US20050161260 System for communicating information between a rig location and a cpmputer network and methods using the system
07/28/2005US20050161227 Method and device to clamp control lines to tubulars
07/28/2005US20050161222 Apparatus and methods for forming a lateral wellbore
07/28/2005US20050161212 System and Method for Utilizing Nano-Scale Filler in Downhole Applications
07/26/2005US6920930 Drop ball catcher apparatus
07/26/2005CA2382231C Oil well servicing system
07/26/2005CA2366496C Steerable modular drilling assembly
07/26/2005CA2212479C Low toxic corrosion inhibitor
07/26/2005CA2158903C Bit-stabilized combination coring and drilling system
07/21/2005WO2005066452A1 Turbine generator system and method
07/21/2005WO2005066379A1 Disposal of accumulated waste solids from processing of titanium-bearing ores
07/21/2005US20050159319 Methods of using sealants in multilateral junctions
07/21/2005US20050155771 Apparatus and methods for expanding tubulars in a wellbore
07/21/2005CA2552227A1 Turbine generator system and method
07/20/2005CN2711385Y Frame type well repairing machine seat for offshore oil-prodn. able to move in all-directions
07/20/2005CN1211563C Method for establishing multi-branches nodes and method for drilling branch hole from mother holes
07/16/2005CA2492981A1 Monobore wellbore and method for completing same
07/14/2005US20050150692 Directional cased hole side track method applying rotary closed loop system and casing mill
07/14/2005US20050150659 Running a Completion Assembly Without Killing a Well
07/14/2005US20050150657 Method and apparatus for injecting steam into a geological formation
07/13/2005EP1348064B1 An assembly and method for forming a seal in a junction of a multilateral wellbore
07/13/2005CN1210488C Wheel type hydraulic drifting machine
07/12/2005US6915855 Wellbore junction drifting apparatus and associated method
07/12/2005US6915847 Testing a junction of plural bores in a well
07/07/2005WO2005045173A3 A liquid seal for recovering flared gas
07/07/2005US20050149307 Integrated reservoir optimization
07/07/2005US20050149306 Iterative drilling simulation process for enhanced economic decision making
07/07/2005US20050147472 Disposal of accumulated waste solids from processing of titanium-bearing ores
07/07/2005US20050145392 Wellbore liner system
07/05/2005US6914538 High-power well logging method and apparatus
07/05/2005US6913082 Reduced debris milled multilateral window
07/05/2005US6913078 In Situ thermal processing of hydrocarbons within a relatively impermeable formation
07/05/2005CA2096714C Process for treating and transporting natural gas from a gas well
06/2005
06/30/2005US20050139393 Turbine generator system and method
06/28/2005US6910536 In situ thermal processing of a hydrocarbon containing formation using a natural distributed combustor
06/23/2005US20050133273 Roller cone drill bits with enhanced cutting elements and cutting structures
06/23/2005US20050133219 Three-dimensional well system for accessing subterranean zones
06/21/2005US6907930 Multilateral well construction and sand control completion
06/21/2005CA2203179C Procedure for testing the imperviousness of an underground fluid storage cavity
06/16/2005WO2005054628A1 Boring machine having differential global positioning system receiver for underwater rock and boring method thereof
06/16/2005WO2005054626A1 Methods for geomechanical fracture modeling
06/16/2005WO2005054544A1 Methods and compositions for inhibiting metal corrosion
06/16/2005WO2004085960A3 Wireline subsea metering head and method of use
06/16/2005US20050126828 Self-blocking fishing device
06/16/2005CA2549134A1 Methods for geomechanical fracture modeling
06/16/2005CA2549127A1 Methods and compositions for inhibiting metal corrosion
06/14/2005CA2336901C Well riser lateral restraint and installation system for offshore platform
06/14/2005CA2281698C Removing a waste component from a hydrocarbon fluid
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