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 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
Patents for 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)
12/2007
12/25/2007US7313480 Integrated drilling dynamics system
12/21/2007WO2007120786B1 Methods for designing and fabricating earth-boring rotary drill bits having predictable walk characteristics and drill bits configured to exhibit predicted walk characteristics
12/19/2007CN200993002Y Drilling parameter collecting coder fixing device
12/18/2007CA2322118C Method for optimizing drill bit and drilling parameter selection using rock strength measurements made from drill cuttings
12/13/2007US20070284148 System and method for damping vibration in a drill string
12/13/2007US20070284147 System for optimizing drilling in real time
12/12/2007CN200989202Y Blowout preventer control equipment with wireless remote-control function
12/12/2007CN200989192Y Suspension rope device suspended-cable broken instruction stopping machine
12/11/2007US7306054 Method for improving drilling depth measurements
12/11/2007US7306053 Boring tool tracking fundamentally based on drill string length, pitch and roll
12/11/2007US7306043 System and method to control multiple tools through one control line
12/11/2007CA2271525C Method of downhole drilling and apparatus therefor
12/06/2007WO2007138170A1 Rock drilling rig and method of controlling thereof
12/06/2007DE102007020662A1 Induktives Kopplungssystem Inductive coupling system
12/05/2007EP1606493B1 Automated control system for back-reaming
12/05/2007CN100353027C Under balance drilling bottom pressure automatic control system and method
12/04/2007CA2453015C Drilling rig closed loop controls
12/04/2007CA2450653C Use of axial accelerometer for estimation of instantaneous rop downhole for lwd and wireline applications
12/04/2007CA2354692C Method and rock drilling apparatus for controlling rock drilling
12/04/2007CA2296054C Computer controlled injection wells
11/2007
11/28/2007CN200982184Y Metering, operating mode analysis optimization system for oil well liquid-producing capacity
11/28/2007CN101078338A Automatic intermittent mine mouth oil pumping method and device
11/27/2007CA2453774C Closed loop drilling assembly with electronics outside a non-rotating sleeve
11/27/2007CA2264632C Wellbores utilizing fiber optic-based sensors and operating devices
11/21/2007CN200978667Y Drilling well gushing and leakage pre-alarming device
11/21/2007CN101076654A Arrangement and method for controlling drilling parameters
11/21/2007CN100350130C Method and apparatus for research and evaluation of foundation type
11/20/2007US7299132 Method and system for pre-drill pore pressure prediction
11/14/2007EP1853794A1 Device for monitoring a drilling or coring operation and installation comprising such a device
11/14/2007EP1766186B1 Method and system for collaring
11/14/2007CN101070755A Pressure-control well-drilling method and device based two gradients
11/13/2007CA2421137C Realtime control of a drilling system using an output from the combination of an earth model and a drilling process model
11/08/2007WO2007126333A1 System for measuring drilling mechanical loads provided with a resonance sensor
11/08/2007WO2007126332A1 System for measuring drilling mechanical loads (variants)
11/08/2007WO2007125509A1 Intervention tool with operational parameter senors
11/08/2007US20070256861 Bit face orientation control in drilling operations
11/08/2007CA2650000A1 Intervention tool with operational parameter sensors
11/01/2007WO2007124330A2 Pressure safety system for use with a dynamic annular pressure control system
11/01/2007WO2007122288A1 Method of controlling operation of rock drilling rig, and rock drilling rig
11/01/2007WO2007101444A3 System for injecting a substance into the space surrounding a well tubular
10/2007
10/31/2007CN101063873A Oil pump intelligent energy-saving controlling cabinet
10/25/2007WO2007120786A1 Methods for designing and fabricating earth-boring rotary drill bits having predictable walk characteristics and drill bits configured to exhibit predicted walk characteristics
10/25/2007US20070247162 Tracking the Positional Relationship Between a Boring Tool and One or More Buried Lines using a Composite Magnetic Signal
10/25/2007US20070246263 Pressure Safety System for Use With a Dynamic Annular Pressure Control System
10/25/2007US20070246262 Earth drilling rig having electronically controlled air compressor
10/25/2007US20070246261 Ac coiled tubing rig with automated drilling system
10/25/2007CA2648192A1 Methods for designing and fabricating earth-boring rotary drill bits having predictable walk characteristics and drill bits configured to exhibit predicted walk characteristics
10/24/2007CN200965629Y A centrifugal motor current-based closed-loop control system
10/24/2007CN200964834Y Remotely-controlled type acoustic-optic power distribution control device oil well
10/24/2007CN101059074A Underground drill for controlling underground drilling and the method
10/23/2007US7286959 Drill bit performance analysis tool
10/23/2007US7284623 Method of drilling a bore hole
10/18/2007US20070240903 Earth penetrating apparatus and method employing radar imaging and rate sensing
10/17/2007CN200961471Y Automatic intermittent oil pumping device
10/17/2007CN200961277Y Electronic control device for rotary-dredging drill
10/17/2007CN100343481C Automated control system for back-reaming
10/17/2007CN100343475C Dynamic annular pressure control apparatus and method
10/16/2007US7283060 Control apparatus for automated downhole tools
10/11/2007US20070235199 Methods and apparatus for actuating a downhole tool
10/09/2007US7278496 Drilling system and method
10/04/2007US20070227775 Shape memory alloy actuated steerable drilling tool
10/04/2007US20070227773 Positioning control system for moving element and laser drilling machine
10/03/2007EP1838948A1 Method and system for monitoring and documenting the installation of rock reinforcement bolt
10/03/2007EP1613837B1 System for managing borehole information
10/03/2007CN200955354Y Adjustable eccentric screw rod
10/03/2007CN200955350Y Underwater pipeline perforating machine capable of controlling feeding depth
10/02/2007CA2240479C Method and system for detecting the precession of a component of a drill string
09/2007
09/27/2007US20070221375 Control method for downhole steering tool
09/26/2007EP1836509A2 Method for predicting rate of penetration using bit-specific coefficients of sliding friction and mechanical efficiency as a function of confined compressive strength
09/26/2007CN101042043A Method for implementing under balance drilling operation
09/25/2007CA2492354C Flow control valve
09/25/2007CA2394950C Three dimensional steerable system
09/20/2007WO2006053248A8 Method and apparatus for jet-fluid abrasive cutting
09/20/2007US20070214878 Use of deuterium oxide-depleted water as a tracer in downhole and core analysis applications
09/19/2007CN200949460Y Baking-free drill control device
09/19/2007CN200949453Y Pumping rod breakaway monitoring alarm
09/18/2007CA2323950C Method and apparatus for controlling drilling of rock drill
09/13/2007US20070209812 Method And System For Collaring
09/13/2007US20070209799 In situ recovery from a hydrocarbon containing formation
09/12/2007CN200946494Y Integral monitor system for safety of pumping unit
09/11/2007US7267182 Rock drilling rig and rock breaking machine
09/05/2007CN200943482Y Measuring and control device for swab operation
09/04/2007US7264050 Method and apparatus for controlling wellbore equipment
08/2007
08/29/2007CN200940444Y Automatic guide system for horizontal positioning drill
08/29/2007CN101027455A Arrangement for controlling percussive rock drilling
08/29/2007CN101026661A Pumpingunit long-distance information transmission and control device and control method
08/28/2007US7261168 Methods and apparatus for using formation property data
08/28/2007US7261167 Method and system for predicting performance of a drilling system for a given formation
08/23/2007US20070193777 Boring Tool Control using Remote Locator
08/22/2007EP1819899A1 Arrangement and method for controlling drilling parameters
08/22/2007EP1507955B1 Automated method and system for determining the state of well operations
08/22/2007EP1436487B1 Rock drilling apparatus and rock breaking machine
08/22/2007EP1149227B1 Method and rock drilling apparatus for controlling rock drilling
08/21/2007US7260508 Method and system for high-resolution modeling of a well bore in a hydrocarbon reservoir
08/21/2007US7258175 Method and apparatus and program storage device adapted for automatic drill bit selection based on earth properties and wellbore geometry
08/15/2007EP1817474A2 Method and apparatus for jet-fluid abrasive cutting
08/15/2007CN1332516C Remote radio oil field monitoring system
08/15/2007CN1332122C Drilling multistage throttling process of high-pressure gas-oil well
08/15/2007CN101018926A Downhole measurements during non-drilling operations
08/09/2007WO2007090034A2 Horizontal drilling system with oscillation control
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