| Patents for E21B 47 - Survey of boreholes or wells (31,352) |
|---|
| 03/03/2010 | CN201416443Y Micro-spheroidal focused logging device |
| 03/03/2010 | CN201416442Y Collection system of down-hole vibration signals by drilling |
| 03/03/2010 | CN201416441Y Cable telemetry logging tool |
| 03/03/2010 | CN201416440Y Thermal-type single-well metering device |
| 03/03/2010 | CN201416439Y Continuous inclinometer |
| 03/03/2010 | CN201416438Y Angle gauge |
| 03/03/2010 | CN201416437Y Borehole measuring rod |
| 03/03/2010 | CN201416436Y Self-priming electric degasser |
| 03/03/2010 | CN201416435Y Cable controlled signal transmission mechanism for well-testing winch |
| 03/03/2010 | CN201416434Y Repeated climbing-free high-pressure test blowout control device |
| 03/03/2010 | CN201416414Y Integral combination type electric cable-passing through packer for deep well |
| 03/03/2010 | CN101660407A Pulse generator |
| 03/03/2010 | CN101660406A Memory-type pressure acquisition system and oil well pressure acquisition method thereof |
| 03/03/2010 | CN101660405A Limnimeter for measuring underground water level |
| 03/03/2010 | CA2677486A1 Gas flow system |
| 03/02/2010 | US7672825 Closed loop control system for controlling production of hydrocarbon fluid from an underground formation |
| 03/02/2010 | US7672818 Method for solving implicit reservoir simulation matrix equation |
| 03/02/2010 | US7672785 Method and system for evaluating and displaying depth data |
| 03/02/2010 | US7669672 Apparatus, system and method for installing boreholes from a main wellbore |
| 03/02/2010 | US7669669 Tool face sensor method |
| 03/02/2010 | US7669668 System, apparatus, and method of conducting measurements of a borehole |
| 03/02/2010 | US7669656 Method and apparatus for rescaling measurements while drilling in different environments |
| 03/02/2010 | US7669655 Method of fracturing a subterranean formation at optimized and pre-determined conditions |
| 03/02/2010 | US7669469 Method and apparatus for a continuous data recorder for a downhole sample tank |
| 03/02/2010 | US7669468 Measuring mud flow velocity using pulsed neutrons |
| 02/25/2010 | WO2010022014A2 Processing of azimuthal resistivity data in a resistivity gradient |
| 02/25/2010 | WO2010021877A2 Subterranean survey communication system and technique |
| 02/25/2010 | WO2010021850A1 High temperature monitoring system for esp |
| 02/25/2010 | WO2010021837A2 Determining characteristics of a subterranean body using pressure data and seismic data |
| 02/25/2010 | WO2010020354A1 Wireless telemetry systems for downhole tools |
| 02/25/2010 | WO2009151867A3 Multiple magnetic sensor ranging method and system |
| 02/25/2010 | WO2009085341A3 Wireless perforating gun initiation |
| 02/25/2010 | US20100047089 High temperature monitoring system for esp |
| 02/25/2010 | US20100045279 Device and method for detecting an anomaly in an assembly of a first and a second object |
| 02/25/2010 | US20100045278 Probe for analysis of a collection of rods or tubes |
| 02/25/2010 | US20100044109 Sensor for Determining a Position of a Jack Element |
| 02/25/2010 | US20100044108 Apparatus and method for detection of position of a component in an earth formation |
| 02/25/2010 | US20100044036 Tracer injector tool for well investigation |
| 02/25/2010 | US20100044035 Apparatus and method for detection of position of a component in an earth formation |
| 02/25/2010 | US20100044034 Subsurface tagging system with wired tubulars |
| 02/25/2010 | US20100044033 Oilfield application framework |
| 02/25/2010 | US20100044027 Arrangement and method for sending and/or sealing cement at a liner hanger |
| 02/25/2010 | US20100043538 Methods of and apparatus for determining the viscosity of heavy oil |
| 02/25/2010 | US20100043229 Electrical Isolation Connector For Electromagnetic Gap Sub |
| 02/25/2010 | CA2734245A1 High temperature monitoring system for esp |
| 02/25/2010 | CA2676493A1 Apparatus and method for detection of position of a component in an earth formation |
| 02/24/2010 | EP2157279A1 Transmitter and receiver synchronisation for wireless telemetry systems technical field |
| 02/24/2010 | EP2157278A1 Wireless telemetry systems for downhole tools |
| 02/24/2010 | EP2156016A2 Control system |
| 02/24/2010 | EP2156015A2 Repeater for wired drill pipe |
| 02/24/2010 | CN201412191Y Intelligentized underground ore body stopping ground pressure disaster monitoring system |
| 02/24/2010 | CN201412142Y Hanging piece device for oil pipe internal corrosion testing |
| 02/24/2010 | CN201412141Y Array acoustic well logger |
| 02/24/2010 | CN201412140Y Bedding hole coal bed gas pressure measuring device |
| 02/24/2010 | CN201412139Y Antitheft box for test wellhead |
| 02/24/2010 | CN201412138Y Oil well work diagram remote measuring device |
| 02/24/2010 | CN201412087Y Winch for measuring deep well and salvaging inclinometer |
| 02/24/2010 | CN101655008A Self-power generation type high-pressure impeller flowmeter of water injection well |
| 02/24/2010 | CN101655006A Automatic downlink system |
| 02/23/2010 | US7665543 Permanent downhole deployment of optical sensors |
| 02/23/2010 | US7665523 Treating tar sand or tar resident in well bore by contacting the tar sand with treatment fluid comprising an aqueous fluid and a styrene-acrylate polymer, the tar sand comprising tar and sand, and allowing styrene-acrylate polymers to interact with tar to separate tar from sand |
| 02/23/2010 | US7665518 Method of using a charged chamber pressure transmitter for subsurface safety valves |
| 02/23/2010 | US7665356 Pressure interference testing for estimating hydraulic isolation |
| 02/23/2010 | CA2431707C Data transmission in pipeline systems |
| 02/23/2010 | CA2431704C Subsea communication |
| 02/21/2010 | CA2673083A1 Data reduction of images measured in a borehole |
| 02/18/2010 | WO2010019879A2 Apparatus and method for generating sector residence time images of downhole tools |
| 02/18/2010 | WO2010019866A1 Down-hole liquid level control for hydrocarbon wells |
| 02/18/2010 | WO2010019863A2 System and method for evaluation of structure-born sound |
| 02/18/2010 | WO2010019823A2 Determining a status in a wellbore based on acoustic events detected by an optical fiber mechanism |
| 02/18/2010 | WO2010019798A2 Bottom hole assembly configuration management |
| 02/18/2010 | WO2010019731A2 Extraction of processed borehole image elements to create a combined image |
| 02/18/2010 | WO2010019070A1 Method and a system for monitoring a logging tool position in a borehole |
| 02/18/2010 | WO2009155316A3 System, program product, and related methods for estimating and managing crude gravity in flowlines in real-time |
| 02/18/2010 | WO2009135157A3 Adaptive drilling control system |
| 02/18/2010 | WO2009134842A3 Steerable bit |
| 02/18/2010 | WO2009117470A4 Downhole fluid characterization based on changes in acoustic properties |
| 02/18/2010 | US20100042326 Method of detecting a lateral boundary of a reservoir |
| 02/18/2010 | US20100039898 Acoustic telemetry system using passband equalization |
| 02/18/2010 | US20100039893 Method for seismic monitoring of a formation hydraulic fracturing |
| 02/18/2010 | US20100038860 Controllably-Deformable Inflatable Sleeve, Production Method Thereof and Use of Same For Pressure Metering Applications |
| 02/18/2010 | US20100038137 Apparatus and Method for Generating Sector Residence Time Images of Downhole Tools |
| 02/18/2010 | US20100038135 System and method for evaluation of structure-born sound |
| 02/18/2010 | US20100038080 Method and apparatus for programmable robotic rotary mill cutting of multiple nested tubulars |
| 02/18/2010 | US20100038079 Determining a status in a wellbore based on acoustic events detected by an optical fiber mechanism |
| 02/18/2010 | US20100038077 Method for Centralized Proppant Storage and Metering |
| 02/18/2010 | US20100038068 Centralizer-based survey and navigation device and method |
| 02/18/2010 | DE102008026082B4 Verfahren zum Betreiben eines Bohrlochkabels und Bohrlochkabel A method of operating a downhole well bore cable and cable |
| 02/18/2010 | CA2734297A1 Down-hole liquid level control for hydrocarbon wells |
| 02/17/2010 | EP2153026A1 Method of optimizing a well path during drilling |
| 02/17/2010 | EP2153025A2 Real time closed loop interpretation of tubing treatment systems and methods |
| 02/17/2010 | CN201407038Y Electronic door locking device and door |
| 02/17/2010 | CN201407036Y Acoustic variable density logger |
| 02/17/2010 | CN201407035Y Sand production rate detector of thick oil production of oil field |
| 02/17/2010 | CN201407034Y Metal-ceramic composite measuring wheel |
| 02/17/2010 | CN201407033Y Single-well optical control oil metering device |
| 02/17/2010 | CN201407032Y Digital induction logging tool |
| 02/17/2010 | CN201407031Y Dual induction laterolog-eight tool |
| 02/17/2010 | CN201407030Y Homocentric intelligent water distribution downhole test and modification apparatus |
| 02/17/2010 | CN201407029Y Direct reading packer float flow logger |