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)
12/2010
12/02/2010WO2010117265A3 Use of underground gas storage to provide a flow assurance buffer between interlinked processing units
12/02/2010US20100300672 Time and efficiency manifold
11/2010
11/25/2010WO2010101713A3 Apparatus and method for a wireless sensor to monitor barrier system integrity
11/25/2010US20100294510 Dissolvable downhole tool, method of making and using
11/25/2010US20100294505 System and method for forming connections with a compliant guide
11/24/2010EP2013446B1 Wellbore system
11/24/2010EP1945905B1 Monitoring formation properties
11/24/2010EP1611312B1 Drifting tubing
11/24/2010CN1871408B Nozzle unit and method for excavating a hole in an object
11/23/2010CA2444811C Downhole torque-generating and generator combination apparatus
11/17/2010EP2250339A2 Donhole actuator tool
11/17/2010CN101886532A Safety belt tying device of pumping unit
11/17/2010CN101886520A Oilfield underground high-pressure fluid-driven spinning horizontal perforating device and application thereof
11/16/2010US7835893 Method and system for scenario and case decision management
11/16/2010CA2509857C A system and a method for prediction and treatment of slugs being formed in a flow line or wellbore tubing
11/09/2010US7828075 Remote tooling
11/09/2010US7828060 Drifting tubing
11/09/2010CA2575468C A modular, distributed, rov retrievable subsea control system, associated deepwater subsea blowout preventer stack configuration, and methods of use
11/09/2010CA2430793C Junction isolation apparatus and methods for use in multilateral well treatment operations
11/03/2010EP2244959A1 Self-sealing method
11/02/2010US7824132 Automatically adjustable caisson clamp
11/02/2010US7823660 Apparatus and methods for drilling a wellbore using casing
11/02/2010US7823607 System tank and output unit for transporting untreated drill cuttings
10/2010
10/28/2010WO2010088874A3 Method for producing natural gas from hydrocarbon hydrates while simultaneously storing carbon dioxide in geological formations
10/28/2010US20100270746 Wellsite Replacement System and Method for Using Same
10/28/2010CA2758669A1 Well tubular, coating system and method for oilfield applications
10/28/2010CA2702678A1 Vacuum attachment tool
10/27/2010EP2243923A1 Safety device for emergency interruption of the drilling maneuvres
10/27/2010CN201614914U 油井检修用原油回收器 Overhaul with crude oil recycler
10/26/2010CA2406804C A method for sequestering a fluid within a hydrocarbon containing formation
10/23/2010CA2700027A1 System, method and apparatus for thermal wellhead having high power cable for in-situ upgrading processing
10/21/2010WO2010120806A2 System, method and apparatus for optimizing management of water for oil and gas operations
10/21/2010WO2010060434A3 Net with bands of composite material
10/21/2010CA2701049A1 System and method to provide well service unit with integrated gas delivery
10/20/2010EP2032838B1 Impulse rotor generator
10/20/2010CN101864929A Marine underwater exploration template
10/19/2010CA2603653C Method for determination and correction of a drilling malfunction for a drilling unit
10/19/2010CA2557259C Safemode operating system for a drilling or service rig
10/19/2010CA2446687C Apparatus and methods for tubular makeup interlock
10/19/2010CA2407125C Method for the production of hydrocarbons and synthesis gas from a hydrocarbon-containing formation
10/14/2010WO2010117331A1 A method and a device for registering at least one rock drill parameter when drilling in rock
10/13/2010EP2237853A1 Systems and methods for enhancing rates of in situ carbonation of peridotite
10/12/2010US7813935 System for evaluating over and underbalanced drilling operations
10/12/2010CA2407232C Electrical well heating system and method
10/07/2010US20100252251 Safety device for retrieving component within wellhead
10/06/2010EP2235234A1 Corrosion inhibitor intensifier compositions and associated methods
10/06/2010CN101855421A Heated fluid injection using multilateral wells
10/05/2010CA2575012C Methods and aqueous acid solutions for acidizing wells containing sludging and emulsifying oil
10/05/2010CA2504721C Method and apparatus to facilitate wet or dry control line connection for the downhole environment
10/05/2010CA2406628C A method for treating a hydrocarbon containing formation
09/2010
09/30/2010WO2010109340A2 Method, apparatus and system for a supervisory system for carbon sequestration
09/30/2010WO2010044027A3 Downhole application for a backpressure valve
09/30/2010US20100243262 Submarine Device
09/30/2010US20100243261 Rotation Mechanism
09/30/2010US20100243254 Method and apparatus for isolating and treating discrete zones within a wellbore
09/29/2010CN201593398U Tool special for maintaining packer
09/29/2010CN1729346B 水力压裂方法 Hydraulic fracturing method
09/29/2010CN101849082A Gravel packing methods
09/27/2010CA2834958A1 Transportable well service platform
09/27/2010CA2834904A1 Transportable well service platform
09/27/2010CA2834898A1 Transportable well service platform
09/23/2010US20100236787 Well Release System and Method
09/23/2010US20100236786 System and method for performing intervention operations with a subsea y-tool
09/23/2010US20100236782 Ball catcher apparatus for use in fracturing of formations surrounding horizontal oil and gas wells, and method for using same
09/22/2010EP2230376A2 Power systems for wireline well service using wires pipe string
09/21/2010US7798221 In situ recovery from a hydrocarbon containing formation
09/21/2010CA2406742C A method for treating a hydrocarbon containing formation
09/16/2010WO2010103002A2 Subsea well template
09/16/2010WO2010086580A3 Pump for pumping hydraulic well control fluid into a prosuction flowline
09/16/2010US20100230093 performance of permanently installed tubing conveyed seismic arrays using passive acoustic absorbers
09/16/2010US20100230090 Low Cost Rigless Intervention and Production System
09/15/2010EP1561004B1 Apparatus for recycling of oil based drilling fluid contaminated with water.
09/15/2010CN201581880U Micro-computer numerical control medicine feeding device
09/15/2010CN201581869U Gas-circuit control anti-freezing alcohol feeder of oil drilling machine
09/15/2010CN201581868U Novel wired guiding connection wire compressing device of directional drilling machine
09/10/2010WO2010101473A1 Drilling control method and system
09/10/2010WO2010042719A3 Methods and apparatus for mechanical and thermal drilling
09/10/2010CA2762217A1 Tool for locating and plugging lateral wellbores
09/09/2010US20100224410 System and method for damping vibration in a drill string using a magnetorheological damper
09/09/2010US20100224372 Hydraulically released window mill
09/09/2010US20100224356 Apparatus for electrical power and/or data transfer between rotating components in a drill string
09/08/2010EP2225433A1 Tubular control apparatus
09/07/2010CA2407228C A method for treating a hydrocarbon containing formation
09/02/2010US20100219646 Apparatus and Method for Generating Power Downhole
09/02/2010US20100218955 Oil field system for through tubing rotary drilling
09/01/2010EP2222937A2 An intelligent drilling advisor
09/01/2010CN201568026U Light electric coal drill propulsion device
08/2010
08/31/2010US7788074 Method of modelling the production of an oil reservoir
08/31/2010CA2571665C Apparatus and method for moving drill cuttings
08/31/2010CA2446357C Device for producing of electric energy and of signal transmitting pressure pulses
08/26/2010WO2010096210A1 Water treatment following shale oil production by in situ heating
08/26/2010WO2010066874A3 Subsea well intervention module
08/26/2010WO2007018613A3 Apparatus for downhole power supply with shunt regulation
08/26/2010US20100212881 Dual Mini Well Surface Control System
08/26/2010CA2750405A1 Water treatment following shale oil production by in situ heating
08/24/2010US7779934 Flexible/rigid drilling assembly
08/24/2010US7779911 Method and means for providing time delay in downhole well operations
08/19/2010WO2009139616A3 Offshore unit and method of installing wellhead platform using the offshore unit
08/19/2010WO2009113870A3 System and method for controlling the flow of fluid in branched wells
08/19/2010US20100206581 Shearing tool and methods of use
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