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 47 - Survey of boreholes or wells
Patents for E21B 47 - Survey of boreholes or wells (31,352)
12/2010
12/07/2010US7848895 Predicting changes in hydrofrac orientation in depleting oil and gas reservoirs
12/07/2010US7845429 Determining drillstring neutral point based on hydraulic factor
12/07/2010CA2594925C Pump control for formation testing
12/07/2010CA2564523C System and method for sensing parameters in a wellbore
12/07/2010CA2550944C System, apparatus, and method of conducting borehole resistivity measurements
12/07/2010CA2534600C Method for locating casing joints using measurement while drilling tool
12/05/2010CA2704547A1 Fracture network characterization method
12/02/2010WO2010138974A1 System and method for determining the most favorable locations for enhanced geothermal system applications
12/02/2010WO2010138961A2 Membrane for oil compensation
12/02/2010WO2010138701A2 Updating a reservoir model using oriented core measurements
12/02/2010WO2010138314A2 Downhole optical fiber splice housing
12/02/2010WO2010138244A2 Estimating velocities with uncertainty
12/02/2010WO2010138137A1 System, method, and apparatus for displaying wellbore centered data grids
12/02/2010WO2010137986A2 Method and system for transferring signals through a drill pipe system
12/02/2010WO2010136773A2 Well monitoring
12/02/2010WO2010136768A2 Well monitoring
12/02/2010WO2010136764A2 Fracture monitoring
12/02/2010WO2010136746A1 Real time pump monitoring
12/02/2010WO2010135826A1 Jet pump and multi-string tubing system for a fluid production system and method
12/02/2010WO2010096417A3 Swellable material activation and monitoring in a subterranean well
12/02/2010WO2009083805A3 Subsurface formation core acquisition system usinghigh speed data and control telemetry
12/02/2010WO2009014882A3 Method and apparatus for optimizing magnetic signals and detecting casing and resistivity
12/02/2010US20100305864 Drill bit tracking apparatus and method
12/02/2010US20100304418 Compositions and Methods for Monitoring Flow Through Fluid Conducting and Containment Systems
12/02/2010US20100301866 Capacitive Detection System
12/02/2010US20100300756 Downhole Magnetic Measurement While Rotating and Methods of Use
12/02/2010US20100300755 System and method for estimating velocity of a downhole component
12/02/2010US20100300754 Safety support pin and system for repair process for instrumented bits and electronics module end-cap for use therewith
12/02/2010US20100300753 Multiple input scaling autodriller
12/02/2010US20100300698 Wired slip joint
12/02/2010US20100300685 Method and system for using wireline configurable wellbore instruments with a wired pipe string
12/02/2010US20100300684 Continuous downhole scale monitoring and inhibition system
12/02/2010US20100300683 Real Time Pump Monitoring
12/02/2010US20100300682 Computer-implemented systems and methods for screening and predicting the performance of enhanced oil recovery and improved oil recovery methods
12/02/2010CA2764040A1 Membrane for oil compensation
12/02/2010CA2760662A1 Fracture monitoring
12/02/2010CA2760644A1 Well monitoring
12/02/2010CA2760066A1 Well monitoring
12/02/2010CA2759316A1 Method and system for transferring signals through a drill pipe system
12/01/2010EP2256291A1 Method and apparatus for initialization of a wellbore survey tool
12/01/2010EP2255069A2 Device for pressure testing of pipes
12/01/2010CN201661293U Downhole instrument for magnetic coupling communication
12/01/2010CN201661292U Multi-work mode wireless drilling inclinometer
12/01/2010CN201661291U High-temperature digital dual-laterolog equipment
12/01/2010CN201661290U Downhole mechanical device of ultrasonic logging instrument
12/01/2010CN201661289U Air sac damper for clinometer
12/01/2010CN201661288U Dewatering anti-corrosion protector for testing steel wires
12/01/2010CN201661265U Air supply pressure tester of capsule plug for drilling water injection test
12/01/2010CN101900828A Acoustic detection device
12/01/2010CN101900827A Acoustic detection device
12/01/2010CN101899970A Working parameter testing system of vertical drilling tool and working parameter testing method thereof
12/01/2010CN101899969A Real-time on-site drilling full parameter optimization method
11/2010
11/30/2010US7841405 Flexible borehole liner with diffusion barrier and method of use thereof
11/30/2010US7841403 Rotator for wireline conveyed wellbore instruments and method for rotating an instrument in a wellbore
11/30/2010US7841399 Pressure and friction reducing flow adapter
11/30/2010US7841234 System and method for sensing pressure using an inductive element
11/30/2010CA2628603C Well jet device and the operating method thereof
11/30/2010CA2628561C Well jet device and the operating method thereof
11/30/2010CA2463110C In situ recovery from a hydrocarbon containing formation using barriers
11/30/2010CA2462794C Method and system for in situ heating a hydrocarbon containing formation by a u-shaped opening
11/27/2010CA2705618A1 Method for monitoring a subsoil zone, particularly during stimulated fracturing operations
11/25/2010WO2010135636A2 Apparatus and method for modeling well designs and well performance
11/25/2010WO2010135618A2 Optimization of neutron-gamma tools for inelastic gamma-ray logging
11/25/2010WO2010135591A2 Downhole sensor tool for nuclear measurements
11/25/2010WO2010135584A2 Downhole sensor tool with a sealed sensor outsert
11/25/2010WO2010135554A2 Methods and apparatus for providing complimentary resistivity and standoff image
11/25/2010WO2010135282A2 High speed telemetry full-duplex pre-equalized ofdm over wireline for downhole communication
11/25/2010WO2010135009A1 Method and apparatus for initialization of a wellbore survey tool
11/25/2010WO2010134845A1 Compensated electromagnetic logging array for use during the drilling of small diameter wells
11/25/2010WO2010134843A1 Method for monitoring the oil-field development
11/25/2010WO2010134807A2 Method of monitoring a hydrocarbon reservoir
11/25/2010WO2010132927A1 Forward looking borehole radar to determine proximity of adjacent interface of different seams or layers
11/25/2010WO2010112893A3 A rig for wellbore operations
11/25/2010WO2010108666A3 Method for localizing a boring device of an earth boring apparatus
11/25/2010WO2010101713A3 Apparatus and method for a wireless sensor to monitor barrier system integrity
11/25/2010WO2010091160A3 Multi-mode downhole acoustic source
11/25/2010WO2010067156A3 Apparatus and method for mounting acoustic sensors closer to a borehole wall
11/25/2010US20100299068 Apparatus for determining the concentration of a conductive fluid present in a fluid filled borehole
11/25/2010US20100294492 Function Spool
11/25/2010US20100294491 Cleanup production during sampling
11/25/2010US20100294480 Sensor deployment
11/25/2010US20100294383 Subsea accumulator monitoring system
11/25/2010US20100294033 Assembly and method for transient and continuous testing of an open portion of a well bore
11/25/2010DE102009007197B4 Teleskopierbare Meßvorrichtung Telescopic measuring device
11/25/2010CA2763285A1 Optimization of neutron-gamma tools for inelastic gamma-ray logging
11/25/2010CA2762975A1 Apparatus and method for modeling well designs and well performance
11/25/2010CA2762804A1 Method of monitoring a hydrocarbon reservoir
11/25/2010CA2761819A1 Downhole sensor tool for nuclear measurements
11/25/2010CA2761814A1 Downhole sensor tool with a sealed sensor outsert
11/24/2010EP2253971A1 Method of monitoring a hydrocarbon reservoir
11/24/2010EP2252904A2 Analysis refracted acoustic waves measured in a borehole
11/24/2010EP1945905B1 Monitoring formation properties
11/24/2010EP1611312B1 Drifting tubing
11/24/2010EP1434980B1 Real-time on-line sensing and control of mineral scale deposition from formation fluids
11/24/2010CN201650274U Single-rotor wheel mud continuous-wave generator
11/24/2010CN201650273U Two-way wheel mud continuous wave generator
11/24/2010CN201650272U Electromagnetic-valve control type slurry continuous wave generator
11/24/2010CN201650271U Wireless logging while drilling motor type pulse generator
11/24/2010CN201650270U Sound wave transmitting device for transmitting continuous oil tube operation downhole wireless data
11/24/2010CN201650269U Automatically program controlled amplifier used for bottom hole wireless data transmission of coiled tubing operation
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