E21B - Earth or rock drilling; Obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells

More topics under "E21B - Earth or rock drilling; Obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells" (324,830)
E21B 1 - Percussion drilling (2,080)
E21B 10 - Drill bits (19,464)
E21B 11 - Other drilling tools (454)
E21B 12 - Accessories for drilling tools (993)
E21B 15 - Supports for the drilling machine, e.g. derricks or masts (4,619)
E21B 17 - Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Casings; Tubings (27,800)
E21B 19 - Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables (17,198)
E21B 21 - Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor (13,780)
E21B 23 - Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells (12,712)
E21B 25 - Apparatus for obtaining or removing undisturbed cores, e.g. core barrels, core extractors (2,102)
E21B 27 - Containers for collecting or depositing substances in boreholes or wells, e.g. bailers for collecting mud or sand; Drill bits with means for collecting substances, e.g. valve drill bits (1,068)
E21B 28 - Vibration generating arrangements for boreholes or wells, e.g. for stimulating production (888)
E21B 29 - Cutting or destroying pipes, packers, plugs, or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground (5,744)
E21B 3 - Rotary drilling (4,061)
E21B 31 - Fishing for or freeing objects in boreholes or wells (3,788)
E21B 33 - Sealing or packing boreholes or wells (33,564)
E21B 34 - Valve arrangements for boreholes or wells (14,685)
E21B 35 - Methods or apparatus for preventing or extinguishing fires (324)
E21B 36 - Heating, cooling, or insulating arrangements for boreholes or wells, e.g. for use in permafrost zones (4,262)
E21B 37 - Methods or apparatus for cleaning boreholes or wells (5,129)
E21B 4 - Drives for drilling, used in the borehole (6,032)
E21B 40 - Tubing catchers, automatically arresting the fall of oil-well tubing (79)
E21B 41 - Equipment or details not covered by groups (7,984)
E21B 43 - Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells (64,186)
E21B 44 - Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions (5,356)
E21B 45 - Measuring the drilling time or rate of penetration (257)
E21B 47 - Survey of boreholes or wells (31,352)
E21B 49 - Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells (11,875)
E21B 6 - Drives for drilling with combined rotary and percussive action (930)
E21B 7 - Special methods or apparatus for drilling (22,064)

Patents for E21B - Earth or rock drilling; Obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells (2,021)
10/2005
10/06/2005	US20050217866 Mono diameter wellbore casing
10/06/2005	US20050217846 Device for a long well tool
09/2005
09/29/2005	WO2005090036A1 Water and slurry collector and method for use of said collector
09/29/2005	WO2005033465A3 Downhole fiber optic acoustic sand detector
09/29/2005	US20050213898 Cable Splice Protector
09/29/2005	US20050211470 Bottom hole assembly
09/29/2005	DE102005010535A1 Vorrichtung und Verfahren zum Erzeugen elektrischer Energie in einem Bohrloch Apparatus and method for generating electric energy in a borehole
09/27/2005	CA2502165A1 Bottom hole assembly
09/22/2005	US20050206216 Drum turning mechanism for continuous miners and longwall shearers
09/22/2005	US20050205301 Testing of bottomhole samplers using acoustics
09/22/2005	US20050205262 Subsea production systems
09/22/2005	US20050205252 Casing scraper
09/22/2005	US20050205251 Casing brush assembly
09/22/2005	DE102005008430A1 Verfahren und Vorrichtung zum Bohren eines Bohrlochs von einem entfernten Ort aus Method and apparatus for drilling a borehole from a remote location
09/21/2005	EP1576253A2 Method using particulate chelates to stimulate production of petroleum in carbonate formations
09/20/2005	CA2289374C Unlocking packer setting method and device
09/15/2005	WO2005085909A1 Combined surface and wellbore electromagnetic measurement system and method for determining formation fluid properties
09/15/2005	WO2005085582A1 Single pass drilling apparatus, use a one -piece drill bit, method and rock bolt for single pass rock bolting.
09/15/2005	WO2005085581A1 Expanding drill
09/15/2005	WO2005085580A1 A method and device for establishing an underground well
09/15/2005	WO2005045175A3 Downhole fiber optic wet connect and gravel pack completion
09/15/2005	WO2005035930A3 Threaded connections and methods for forming threaded connections
09/15/2005	WO2005017300A3 Continuous monobore liquid lining system
09/15/2005	WO2004094764A3 Low cost capacitors manufactured from conductive loaded resin-based materials
09/15/2005	US20050200210 Apparatus and method for generating electrical power in a borehole
09/15/2005	US20050199401 System and Method to Seal Using a Swellable Material
09/15/2005	CA2559140A1 A method and device for establishing an underground well
09/15/2005	CA2554598A1 Single pass drilling apparatus, use a one -piece drill bit, method and rock bolt for single pass rock bolting
09/12/2005	CA2500520A1 System and method to seal using a swellable material
09/09/2005	WO2005024169A3 Automated arm for positioning of drilling tools such as an iron roughneck
09/08/2005	US20050197778 Downhole rate of penetration sensor assembly and method
09/08/2005	US20050196243 Riser apparatus assembly and method of installing same
09/08/2005	US20050194151 Expandable anchor
09/07/2005	CN1664308A Wellbore drilling system and method
09/01/2005	WO2005080750A1 Method and actuator device
09/01/2005	WO2005080743A1 Drill string component, wear protection component and cutter head for use in a rock drilling process
09/01/2005	WO2005079186A2 Expandable tubular
09/01/2005	US20050189142 Wellbore drilling system and method
09/01/2005	US20050189116 Submersible well pump installation procedure
09/01/2005	US20050189103 Drillable bridge plug
09/01/2005	CA2553606A1 Drill string component, wear protection component and cutter head for use in a rock drilling process
08/2005
08/30/2005	US6936574 Displacing a cement comprising a cement and a gelling additive into a well bore such that the gelling additive passes into the subterranean zone; allowing the gelling additive to form a crosslinked gel in the subterranean zone
08/25/2005	WO2005078325A1 Device for protection of elongate element on a seabed and method for the installation of same
08/25/2005	WO2005042905A3 A piggable flowline-riser system
08/25/2005	WO2005021921A3 A method of radially expanding and plastically deforming tubular members
08/25/2005	WO2005005763A3 Method for drilling with improved fluid collection pattern
08/25/2005	DE102005004353A1 Unterwasser-Installationsvorrichtung Underwater installation device
08/23/2005	CA2356405C Method and apparatus for safely operating radiation generators in while-drilling and while-tripping applications
08/17/2005	EP1563160A2 Tensioning system for production tubing in a riser at a floating installation for hydrocarbon production.
08/16/2005	US6929066 Method for upward growth of a hydraulic fracture along a well bore sandpacked annulus
08/11/2005	WO2005050257A8 High temperature imaging device
08/11/2005	WO2005049956A3 High pressure wireline top-entry packoff apparatus and method
08/11/2005	WO2005042911A3 System for drilling oil and gas wells using oversized drill string to achieve increased annular return velocities
08/11/2005	WO2005008016A3 Improve inflatable packer
08/11/2005	WO2004092530B1 Radially expanding casing and driling a wellbore
08/11/2005	US20050173118 Charge holder apparatus
08/09/2005	CA2201541C Signal recognition system for wellbore telemetry
08/04/2005	WO2005033466A3 Portable drilling apparatus
08/04/2005	US20050168224 Receiver electronics proximate antenna
08/04/2005	US20050167117 Underwater installation apparatus
08/03/2005	EP1558834A1 Methods and apparatus for a subsea tie back
08/03/2005	EP1558831A2 Method and apparatus for varying the density of drilling fluids in deep water oil drilling applications
08/02/2005	US6923273 Well system
07/2005
07/28/2005	WO2005035931A3 Thermal stability agent for maintaining viscosity and fluid loss properties in drilling fluids
07/28/2005	WO2004061259A3 Subterranean drainage device
07/28/2005	US20050160947 Displacement of gelling additive to well bore; crosslinking; forming barrier
07/27/2005	CN1646786A Mono-diameter wellbore casing
07/21/2005	WO2005010316A3 Remotely operated deployment system and method of use
07/21/2005	WO2004101946A3 Formation characterization using wellbore logging data
07/19/2005	US6918454 Automated control system for back-reaming
07/14/2005	WO2004088087A3 Tubing containment system
07/14/2005	US20050150691 High temperature environment tool system and method
07/13/2005	EP1551744A2 Tubular slip device and method
07/12/2005	CA2304664C An apparatus for facilitating the connection of tubulars using a top drive
07/07/2005	WO2005042908A3 Three in one combined power unit for nitrogen system, fluid system, and coiled tubing system
07/07/2005	WO2005008017A3 Instrumented drill head, related drilling/bolting machines, and methods
07/07/2005	WO2004083594B1 Apparatus and method radially expanding a wellbore casing using an expansion mandrel and a rotary expansion tool
07/06/2005	EP1550629A1 Elevator system
07/06/2005	EP1549824A2 Mono diameter wellbore casing
07/06/2005	EP1549823A2 Bottom plug for forming a mono diameter wellbore casing
07/05/2005	US6913091 Method and apparatus for replacement of underground pipe
06/2005
06/30/2005	WO2005059294A2 Pipeline integrity management process
06/23/2005	WO2004044370A3 Devices and methods for extraction, transportation and/or release of material
06/22/2005	EP1543214A2 Non-corrosive amphoteric surfactants and method of well treatment
06/16/2005	WO2004083592B1 Apparatus and method for running a radially expandable tubular member
06/16/2005	WO2004076798B1 Apparatus for radially expanding and plastically deforming a tubular member
06/16/2005	WO2004035983B1 Open water running tool and lockdown sleeve assembly
06/16/2005	WO2004033842A3 Method and apparatus for removing cuttings from a deviated wellbore
06/15/2005	EP1540219A2 Method and apparatus for replacement of underground pipe
06/15/2005	EP1540131A2 "top drive swivel apparatus and method"
06/15/2005	EP1540128A2 Interposed joint sealing layer method of forming a wellbore casing
06/15/2005	CN1628207A Well system
06/09/2005	US20050121198 Subsea completion system and method of using same
06/08/2005	EP1537289A2 New and improved method and apparatus involving an integrated or otherwise combined exit guide and section mill for sidetracking or directional drilling from existing wellbores
06/08/2005	CN1623884A 电梯系统 Elevator system
06/07/2005	CA2214459C Process for the consolidation of sand
06/02/2005	WO2005050777A2 Receiver electronics proximate antenna
06/02/2005	WO2005050714A2 High temperature electronic devices
06/02/2005	WO2005050257A2 High temperature imaging device
06/02/2005	WO2005049957A2 High temperature environment tool system and method

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