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)
06/2010
06/17/2010WO2010068887A2 Wide liquid temperature range fluids for pressure balancing in logging tools
06/17/2010WO2010068870A2 Apparatus and method for evaluating downhole fluids
06/17/2010WO2010068852A2 Closed-loop physical caliper measurements and directional drilling method
06/17/2010WO2010068643A1 Combining reservoir modeling with downhole sensors and inductive coupling
06/17/2010WO2010068397A2 Method and apparatus for directional well logging
06/17/2010WO2010068190A1 Real time well data alerts
06/17/2010WO2010067156A2 Apparatus and method for mounting acoustic sensors closer to a borehole wall
06/17/2010WO2010067038A1 Method for calibrating a device for measuring phase fractions of polyphase fluid under flow conditions, measuring method, and related device
06/17/2010WO2010066202A1 Method of well placement modeling and geosteering
06/17/2010US20100149919 Downhole telemetry system
06/17/2010US20100149056 downhole telemetry system
06/17/2010US20100147513 Well jet device for well-logging operations and the operating method thereof
06/17/2010US20100147511 Injection well surveillance system
06/17/2010US20100147510 Remote logging operations environment
06/17/2010US20100147064 Wide liquid temperature range fluids for pressure balancing in logging tools
06/17/2010DE102009058385A1 Verpackung für Untertage-Druckaufnehmer Packaging for downhole pressure transducer
06/17/2010CA2746377A1 Method and apparatus for directional well logging
06/16/2010EP2196621A1 A micro-logging system and method
06/16/2010EP2196620A1 A micro-logging system and method
06/16/2010CN201507307U Mud pulser for motor driven valve head
06/16/2010CN201507306U Test box of positive-going pulse generator
06/16/2010CN201507305U 28-turn 37-core interface conversion short section
06/16/2010CN201507304U 28-turn 31-core interface conversion short section
06/16/2010CN201507303U Continuous inclination measuring short piece
06/16/2010CN201507302U 37-core flexible joint with test holes
06/16/2010CN201507301U Comprehensive well-logging gauge applicable to natural gas well-logging
06/16/2010CN201507300U Horizontal well multifunctional physical model test device
06/16/2010CN1975095B Wired pipe joint with current circuit inductive coupler
06/16/2010CN1575377B Method and system for forming holes in stratum, holes formed by the method and system, and compound generated thereby
06/16/2010CN101743377A In situ determination of critical desorption pressures
06/16/2010CN101737036A A downhole modulator apparatus
06/16/2010CN101737035A Pit bottom wireless data transmission method and device for continuous oil pipe operation
06/16/2010CN101737034A Method and system for transmitting pitshaft data
06/16/2010CN101737033A Instrumented formation tester for injecting and monitoring of fluids
06/16/2010CN101737032A Gamma ray detector in carbon/oxygen spectral logging system with alpha particles
06/16/2010CN101737031A Novel polar plate of micro-sphere focus logging tool
06/16/2010CN101737030A Method for controlling well depth positioning in deposit drilling
06/16/2010CN101737012A Drilling bit for guiding horizontal roatatably-jetting construction and construction method thereof
06/16/2010CN101737009A Geometry steerable drilling system driven by liquid and gas phase drilling media rotary disc
06/16/2010CN101095143B Multiscale multidimensional well log data inversion and deep formation imaging method
06/16/2010CN101074600B Core-dissecting micro-analysis method
06/16/2010CA2686923A1 Packaging for downhole pressure transducers
06/15/2010US7737863 Common interface architecture for horizontal directional drilling machines and walk-over guidance systems
06/15/2010US7736521 Circulating completion, workover and drilling fluids used in hydrocarbon oil recovery monitored by a viscometer generating a signal and divertingthe flow if the fluid viscosity is too high or too low for filtration by diatomaceous earth filter; viscosity is adjusted accordingly for reuse
06/15/2010US7735579 Measurement while drilling apparatus and method of using the same
06/15/2010CA2687006A1 Method for displaying geologic stress information and its application to geologic interpretation
06/15/2010CA2686575A1 Rugged quartz clock
06/11/2010CA2686888A1 Injection well surveillance system
06/10/2010WO2010065490A1 Method and system for deploying sensors in a well bore using a latch and mating element
06/10/2010WO2010065431A1 Downhole communication devices and methods of use
06/10/2010WO2010065272A2 Rotatable orientation independent gravity sensor and methods for correcting systematic errors
06/10/2010WO2010065161A1 Systems and methods for well positioning using phase relations between transverse magnetic field components of a transverse rotating magnetic source
06/10/2010WO2010064919A1 A downhole pressure and vibration measuring device integrated in a pipe section as a part of a production tubing
06/10/2010WO2010063375A1 Method and apparatus for suspending a cable in a pipe
06/10/2010WO2010042383A3 Method for correcting the measured concentrations of gas components in drilling mud
06/10/2010WO2009090466A3 Downhole sensing system using carbon nanotube fet
06/10/2010WO2009085813A3 Ball dropping assembly and technique for use in a well
06/10/2010US20100139976 Downhole positioning system
06/10/2010US20100139909 Intelligent Well Control System for Three or More Zones
06/10/2010US20100139388 Monitoring fluid pressure in a well and retrievable pressure sensor assembly for use in the method
06/10/2010US20100139386 System and method for monitoring volume and fluid flow of a wellbore
06/10/2010DE102008048964A1 Verfahren und Vorrichtung zur Erkennung der Spiegelteufe in einem Bohrloch Method and apparatus for detection of a borehole in Spiegelteufe
06/10/2010CA2745752A1 Rotatable orientation independent gravity sensor and methods for correcting systematic errors
06/10/2010CA2745086A1 Downhole communication devices and methods of use
06/09/2010EP2194229A1 Method and Apparatus for Suspending a Cable in a Pipe
06/09/2010EP2194228A1 Method for determining a stuck point for pipe, and free point logging tool
06/09/2010EP2194227A2 System and method for verifying perforating gun status prior to perforating a wellbore
06/09/2010EP2193255A1 Methods and systems for evaluating and treating previously-fractured subterranean formations
06/09/2010EP2193254A2 Wireless perforating gun initiation
06/09/2010CN201503268U Continuous inclinometer measuring module
06/09/2010CN201502372U Cycling-type pulse generator test device
06/09/2010CN201502371U Portable device for measuring oil well working level
06/09/2010CN201502370U Flow regulating device
06/09/2010CN201502285U Comprehensive logging instrument observation window
06/09/2010CN1902820B Signalling system
06/09/2010CN1575373B Method for in situ thermal processing of a hydrocarbon containing formation via backproducing through a heater well
06/09/2010CN101725343A Ground device for separated layer water injection
06/09/2010CN101725342A Hollow cable type directed water conveying device
06/09/2010CN101725341A Method for logging borehole trace of horizontal well for three-flexible-gyroscope sensor after casing
06/09/2010CN101725340A Detection device of high-precision mine parameters
06/09/2010CN101725339A Method for aiming and directionally marking central lines through visual inspection
06/09/2010CN101725338A Underground generation device
06/09/2010CN101387565B Electric contact type pressure gauge for improving bridging structure of induction assembly
06/09/2010CN101117887B Well dynamic liquid level auto detector
06/09/2010CA2693716A1 Real time well data alerts
06/08/2010US7730968 Apparatus for wellbore communication
06/08/2010US7730967 Drilling wellbores with optimal physical drill string conditions
06/08/2010US7730954 Hydraulic control and actuation system for downhole tools
06/08/2010US7730943 Determination of azimuthal offset and radius of curvature in a deviated borehole using periodic drill string torque measurements
06/08/2010US7730937 Electric submersible pump and motor assembly
06/08/2010US7730774 Tracking fluid displacement along a wellbore using real time temperature measurements
06/08/2010US7730625 Gyroscopically-oriented survey tool
06/08/2010CA2588059C Identification of the channel frequency response using chirps and stepped frequencies
06/08/2010CA2530915C Apparatus and methods for operating a tool in a wellbore
06/03/2010WO2010062635A2 Methods and apparatus for planning and dynamically updating sampling operations while drilling in a subterranean formation
06/03/2010WO2010062574A2 Using an acoustic ping and sonic velocity to control an artificial lift device
06/03/2010WO2010062216A1 Thermal well logging method and a device for carrying out same
06/03/2010WO2010062208A1 Method for estimation of sagd process characteristics
06/03/2010WO2010060620A1 Method for monitoring cement plugs
06/03/2010WO2010036599A3 System and method for modeling fluid flow profiles in a wellbore
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