IN2012DN02976A - - Google Patents
Download PDFInfo
- Publication number
- IN2012DN02976A IN2012DN02976A IN2976DEN2012A IN2012DN02976A IN 2012DN02976 A IN2012DN02976 A IN 2012DN02976A IN 2976DEN2012 A IN2976DEN2012 A IN 2976DEN2012A IN 2012DN02976 A IN2012DN02976 A IN 2012DN02976A
- Authority
- IN
- India
- Prior art keywords
- fluid
- detector
- wellbore
- pulse
- system includes
- Prior art date
Links
- 239000012530 fluid Substances 0.000 abstract 5
- 230000000644 propagated effect Effects 0.000 abstract 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B47/00—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
-
- E—FIXED CONSTRUCTIONS
- 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
- E21B47/00—Survey of boreholes or wells
- E21B47/04—Measuring depth or liquid level
- E21B47/047—Liquid level
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
- F04B49/065—Control using electricity and making use of computers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/284—Electromagnetic waves
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- Electromagnetism (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- General Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Computer Hardware Design (AREA)
- Geochemistry & Mineralogy (AREA)
- Environmental & Geological Engineering (AREA)
- Geophysics (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Geophysics And Detection Of Objects (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12/573,434 US8353677B2 (en) | 2009-10-05 | 2009-10-05 | System and method for sensing a liquid level |
| PCT/US2010/051283 WO2011044023A2 (en) | 2009-10-05 | 2010-10-04 | System and method for sensing a liquid level |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN2012DN02976A true IN2012DN02976A (enrdf_load_stackoverflow) | 2015-07-31 |
Family
ID=43823321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN2976DEN2012 IN2012DN02976A (enrdf_load_stackoverflow) | 2009-10-05 | 2010-10-04 |
Country Status (11)
Families Citing this family (34)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8353677B2 (en) | 2009-10-05 | 2013-01-15 | Chevron U.S.A. Inc. | System and method for sensing a liquid level |
| US9032565B2 (en) | 2009-12-16 | 2015-05-19 | Kohler Co. | Touchless faucet assembly and method of operation |
| US8560268B2 (en) * | 2010-10-04 | 2013-10-15 | Chevron U.S.A., Inc. | System and method for sensing a liquid level |
| GB201017814D0 (en) * | 2010-10-21 | 2010-12-01 | Zenith Oilfield Technology Ltd | A cable and method |
| GB201019567D0 (en) | 2010-11-19 | 2010-12-29 | Zenith Oilfield Technology Ltd | High temperature downhole gauge system |
| GB2495132B (en) | 2011-09-30 | 2016-06-15 | Zenith Oilfield Tech Ltd | Fluid determination in a well bore |
| GB2496863B (en) | 2011-11-22 | 2017-12-27 | Zenith Oilfield Tech Limited | Distributed two dimensional fluid sensor |
| MX338806B (es) * | 2012-02-21 | 2016-04-29 | Production Sciences Inc | Sistema y método para medir la velocidad de flujo del pozo. |
| US9201156B2 (en) * | 2012-03-29 | 2015-12-01 | Chevron U.S.A. Inc. | System and method for measurement incorporating a crystal resonator |
| AU2013282287A1 (en) * | 2012-06-29 | 2015-01-29 | Wellntel, Inc. | Well head water level sensor |
| CN103573598B (zh) * | 2012-08-06 | 2015-11-18 | 中国石油天然气股份有限公司 | 一种控制潜水泵的系统和方法 |
| US9920765B2 (en) | 2013-01-25 | 2018-03-20 | Charles Wayne Zimmerman | System and method for fluid level sensing and control |
| GB2511739B (en) * | 2013-03-11 | 2018-11-21 | Zenith Oilfield Tech Limited | Multi-component fluid determination in a well bore |
| CN103197288B (zh) * | 2013-04-12 | 2014-10-15 | 中国石油集团钻井工程技术研究院 | 随钻探层测距雷达及其信号发生器 |
| US10927664B2 (en) | 2013-06-14 | 2021-02-23 | Welldata (Subsurface Surveillance Systems) Ltd | Downhole detection |
| CA2921406C (en) * | 2013-08-19 | 2019-11-12 | Total Sa | Method for monitoring a well or a reservoir containing a fluid, and apparatus for using the same |
| CN103452546B (zh) * | 2013-09-12 | 2015-07-01 | 中煤科工集团西安研究院有限公司 | 一种高精度长距离的惯性气压波钻孔测深装置及方法 |
| US20150086152A1 (en) * | 2013-09-20 | 2015-03-26 | Halliburton Energy Services, Inc. | Quasioptical waveguides and systems |
| US20160237814A1 (en) * | 2013-10-11 | 2016-08-18 | Halliburton Energy Services, Inc. | Estimation of Formation Properties by Analyzing Response to Pressure Changes in a Wellbore |
| US10753192B2 (en) | 2014-04-03 | 2020-08-25 | Sensia Llc | State estimation and run life prediction for pumping system |
| CA3012210A1 (en) | 2014-05-08 | 2015-11-12 | WellGauge, Inc. | Well water depth monitor |
| WO2015184414A1 (en) * | 2014-05-30 | 2015-12-03 | Tachyus Corporation | Fluid volumetric analyzer |
| CN105675088B (zh) * | 2014-11-20 | 2019-03-22 | 佛山市顺德区美的电热电器制造有限公司 | 衣物护理机和液量检测方法 |
| GB201420938D0 (en) | 2014-11-25 | 2015-01-07 | Welldata Subsurface Surveillance Systems Ltd | Monitoring structures |
| CN105156095B (zh) * | 2015-09-25 | 2018-01-05 | 中国石油天然气股份有限公司 | 一种井下油套管内涂层的单电极电流式检测方法 |
| EP3315784B1 (de) * | 2016-10-25 | 2022-10-12 | Grundfos Holding A/S | Tauchpumpenaggregat und verfahren zum betreiben eines tauchpumpenaggregates |
| CN106703747A (zh) * | 2016-12-12 | 2017-05-24 | 中国石油天然气股份有限公司 | 一种远程自控数字针阀装置及其方法和应用 |
| US11493374B2 (en) * | 2017-06-14 | 2022-11-08 | Micro Motion, Inc. | Minimizing a crest in a multi-tone drive signal in a vibratory meter |
| NO20220246A1 (en) * | 2019-08-28 | 2022-02-24 | Baker Hughes Oilfield Operations Llc | Mud pulse transmission time delay correction |
| CN111636863B (zh) * | 2020-06-01 | 2023-07-25 | 神华神东煤炭集团有限责任公司 | 一种水文地质测量装置 |
| DE102020132964A1 (de) * | 2020-12-10 | 2022-06-15 | Endress+Hauser SE+Co. KG | Füllstandsmessvorrichtung und Verfahren zum in-line Kalibrieren und/oder Verifizieren einer Füllstandsmessvorrichtung |
| RU2763190C1 (ru) * | 2021-04-21 | 2021-12-28 | Акционерное общество «Нижегородский завод 70-летия Победы» | Инструмент для измерения высоты подвесок обсадных колонн |
| CN113175319A (zh) * | 2021-05-06 | 2021-07-27 | 湖北省地质局武汉水文地质工程地质大队 | 中深层地热井自动监测系统和方法 |
| CN115825582B (zh) * | 2022-11-01 | 2023-11-03 | 深圳技术大学 | 一种便携式微气象电磁参数测试装置 |
Family Cites Families (75)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3320579A (en) | 1966-04-11 | 1967-05-16 | Frank R Abbott | Compliant variable reluctance electroacoustic transducer |
| US3562741A (en) | 1967-04-05 | 1971-02-09 | Burroughs Corp | Electromagnetic pulse generating system |
| US4218507A (en) | 1975-01-13 | 1980-08-19 | Graham Magnetics, Inc. | Coated particles and process of preparing same |
| US4023136A (en) | 1975-06-09 | 1977-05-10 | Sperry Rand Corporation | Borehole telemetry system |
| US4135397A (en) | 1977-06-03 | 1979-01-23 | Krake Guss L | Level measuring system |
| US4160970A (en) | 1977-11-25 | 1979-07-10 | Sperry Rand Corporation | Electromagnetic wave telemetry system for transmitting downhole parameters to locations thereabove |
| US4308499A (en) | 1978-05-26 | 1981-12-29 | Kali Und Salz A.G. | Method utilizing electromagnetic wave pulses for determining the locations of boundary surfaces of underground mineral deposits |
| FR2520951A1 (fr) | 1982-02-04 | 1983-08-05 | Commissariat Energie Atomique | Generateur d'impulsions electromagnetiques de haute tension |
| JPS6059295A (ja) | 1983-09-07 | 1985-04-05 | 新日本製鐵株式会社 | 坑井内水位測定方法 |
| CH673357A5 (enrdf_load_stackoverflow) | 1987-03-02 | 1990-02-28 | Bbc Brown Boveri & Cie | |
| US4793178A (en) * | 1987-04-13 | 1988-12-27 | Xelo, Inc. | Method and apparatus for generating data and analyzing the same to determine fluid depth in a well |
| US4839644A (en) | 1987-06-10 | 1989-06-13 | Schlumberger Technology Corp. | System and method for communicating signals in a cased borehole having tubing |
| USRE33690E (en) * | 1987-08-06 | 1991-09-17 | Oil Well Automation, Inc. | Level sensor |
| NO163578C (no) | 1987-10-23 | 1990-06-20 | Saga Petroleum | Fremgangsmaate og innretning for overfoering av maaledata fra en oljebroenn til overflaten. |
| US5150067A (en) | 1990-04-16 | 1992-09-22 | Mcmillan Michael R | Electromagnetic pulse generator using an electron beam produced with an electron multiplier |
| DE69222207T2 (de) | 1991-03-13 | 1998-03-05 | Westinghouse Electric Corp | Verfahren zur Feststellung des Verformungmasses in einem Material, in Reaktion auf eine zusammendrückende Kraft |
| US5355714A (en) | 1992-02-26 | 1994-10-18 | Nippondenso Co., Ltd. | Pressure sensor using a pressure responsive magnetic film to vary inductance of a coil |
| GB9212685D0 (en) | 1992-06-15 | 1992-07-29 | Flight Refueling Ltd | Data transfer |
| WO1994029749A1 (en) | 1993-06-04 | 1994-12-22 | Gas Research Institute, Inc. | Method and apparatus for communicating signals from encased borehole |
| US5467083A (en) | 1993-08-26 | 1995-11-14 | Electric Power Research Institute | Wireless downhole electromagnetic data transmission system and method |
| US5451873A (en) | 1993-10-05 | 1995-09-19 | Schlumberger Technology Corporation | Method and apparatus for determining the in situ larmor frequency of a wellbore NMR tool to compensate for accumulation of magnetic material on the magnet housing of the tool |
| US5917160A (en) | 1994-08-31 | 1999-06-29 | Exxon Production Research Company | Single well system for mapping sources of acoustic energy |
| US6489772B1 (en) | 1995-01-23 | 2002-12-03 | The Regents Of The University Of California | Borehole induction coil transmitter |
| US5686779A (en) | 1995-03-01 | 1997-11-11 | The United States Of America As Represented By The Secretary Of The Army | High sensitivity temperature sensor and sensor array |
| JPH10502767A (ja) | 1995-04-28 | 1998-03-10 | フィリップス エレクトロニクス ネムローゼ フェンノートシャップ | バッテリ再充電装置 |
| US5942991A (en) | 1995-06-06 | 1999-08-24 | Diversified Technologies, Inc. | Resonant sensor system and method |
| USH1744H (en) | 1995-09-21 | 1998-08-04 | Clayton; Stanley R. | Wireless remote sensing thermometer |
| US5852262A (en) | 1995-09-28 | 1998-12-22 | Magnetic Pulse, Inc. | Acoustic formation logging tool with improved transmitter |
| US5751895A (en) | 1996-02-13 | 1998-05-12 | Eor International, Inc. | Selective excitation of heating electrodes for oil wells |
| CA2217411C (en) * | 1996-10-07 | 2006-08-22 | Tri-Ener-Tech Petroleum Services Ltd. | Method for controlling the speed of a pump based on measurement of the fluid depth in a well |
| US6025725A (en) | 1996-12-05 | 2000-02-15 | Massachusetts Institute Of Technology | Electrically active resonant structures for wireless monitoring and control |
| US5821129A (en) | 1997-02-12 | 1998-10-13 | Grimes; Craig A. | Magnetochemical sensor and method for remote interrogation |
| US6234257B1 (en) | 1997-06-02 | 2001-05-22 | Schlumberger Technology Corporation | Deployable sensor apparatus and method |
| US6766854B2 (en) | 1997-06-02 | 2004-07-27 | Schlumberger Technology Corporation | Well-bore sensor apparatus and method |
| WO1999004283A1 (en) | 1997-07-18 | 1999-01-28 | Kohler Company | Advanced touchless plumbing systems |
| US6085836A (en) * | 1997-10-15 | 2000-07-11 | Burris; Sanford A. | Well pump control using multiple sonic level detectors |
| NO310384B1 (no) | 1998-06-18 | 2001-06-25 | Norges Geotekniske Inst | Fremgangsmåte for detektering av reflektorer i en produksjonsbrönn ved hjelp av en radarlignende sende- ogmottakerinnretning |
| NO315725B1 (no) | 1998-06-18 | 2003-10-13 | Norges Geotekniske Inst | Anordning for måling og overvåking av resistivitet utenfor et brönnrör i etpetroleumsreservoar |
| US6234267B1 (en) * | 1998-11-25 | 2001-05-22 | Richard Ellis Foster, Sr. | Earth anti-twist apparatus for reactive machines/ saves energy |
| US6798338B1 (en) | 1999-02-08 | 2004-09-28 | Baker Hughes Incorporated | RF communication with downhole equipment |
| US6393921B1 (en) | 1999-05-13 | 2002-05-28 | University Of Kentucky Research Foundation | Magnetoelastic sensing apparatus and method for remote pressure query of an environment |
| GB2386691B (en) | 1999-06-22 | 2003-12-24 | Axon Instr Ltd | Ratio tool |
| US6633236B2 (en) | 2000-01-24 | 2003-10-14 | Shell Oil Company | Permanent downhole, wireless, two-way telemetry backbone using redundant repeaters |
| US7114561B2 (en) | 2000-01-24 | 2006-10-03 | Shell Oil Company | Wireless communication using well casing |
| US6670880B1 (en) | 2000-07-19 | 2003-12-30 | Novatek Engineering, Inc. | Downhole data transmission system |
| US6701783B2 (en) * | 2000-09-12 | 2004-03-09 | Vega Grieshaber Kg | Device and a process for determining the positions of border areas between different mediums |
| US6434372B1 (en) | 2001-01-12 | 2002-08-13 | The Regents Of The University Of California | Long-range, full-duplex, modulated-reflector cell phone for voice/data transmission |
| US6640628B2 (en) * | 2001-01-19 | 2003-11-04 | Endress + Hauser Gmbh + Co. Kg | Level-measuring device |
| US6898149B2 (en) | 2001-02-02 | 2005-05-24 | Dbi Corporation | Reprogrammable downhole telemetry and control system |
| DE10245425A1 (de) | 2001-09-28 | 2003-04-30 | Rudolf Thierbach | Simultanes geophysikalisches Bohrlochmessverfahren |
| JP4164290B2 (ja) | 2002-05-20 | 2008-10-15 | 古野電気株式会社 | 超音波送受信装置およびスキャニングソナー |
| US20040046572A1 (en) * | 2002-09-09 | 2004-03-11 | Champion James Robert | Determining levels of substances using multistatic probes |
| GB2434165B (en) | 2002-12-14 | 2007-09-19 | Schlumberger Holdings | System and method for wellbore communication |
| US7084782B2 (en) | 2002-12-23 | 2006-08-01 | Halliburton Energy Services, Inc. | Drill string telemetry system and method |
| US7158049B2 (en) | 2003-03-24 | 2007-01-02 | Schlumberger Technology Corporation | Wireless communication circuit |
| US7397388B2 (en) | 2003-03-26 | 2008-07-08 | Schlumberger Technology Corporation | Borehold telemetry system |
| GB2399921B (en) | 2003-03-26 | 2005-12-28 | Schlumberger Holdings | Borehole telemetry system |
| US7234519B2 (en) | 2003-04-08 | 2007-06-26 | Halliburton Energy Services, Inc. | Flexible piezoelectric for downhole sensing, actuation and health monitoring |
| US7168487B2 (en) | 2003-06-02 | 2007-01-30 | Schlumberger Technology Corporation | Methods, apparatus, and systems for obtaining formation information utilizing sensors attached to a casing in a wellbore |
| GB2425177B (en) | 2003-11-18 | 2009-03-18 | Halliburton Energy Serv Inc | High temperature imaging device |
| US7256707B2 (en) | 2004-06-18 | 2007-08-14 | Los Alamos National Security, Llc | RF transmission line and drill/pipe string switching technology for down-hole telemetry |
| US7180826B2 (en) | 2004-10-01 | 2007-02-20 | Teledrill Inc. | Measurement while drilling bi-directional pulser operating in a near laminar annular flow channel |
| US7548068B2 (en) | 2004-11-30 | 2009-06-16 | Intelliserv International Holding, Ltd. | System for testing properties of a network |
| GB2421449B (en) | 2004-12-21 | 2009-06-03 | Daniel Stefanini | Fluid treatment method and apparatus |
| EP2418350A1 (en) | 2005-05-24 | 2012-02-15 | Baker Hughes Incorporated | A method for analysing a downhole fluid |
| US7454978B2 (en) | 2005-11-16 | 2008-11-25 | Delphi Technologies, Inc. | Versatile strain sensor employing magnetostrictive electrical conductors |
| US8077053B2 (en) | 2006-03-31 | 2011-12-13 | Chevron U.S.A. Inc. | Method and apparatus for sensing a borehole characteristic |
| US8390471B2 (en) | 2006-09-08 | 2013-03-05 | Chevron U.S.A., Inc. | Telemetry apparatus and method for monitoring a borehole |
| US7810993B2 (en) | 2007-02-06 | 2010-10-12 | Chevron U.S.A. Inc. | Temperature sensor having a rotational response to the environment |
| US7863907B2 (en) | 2007-02-06 | 2011-01-04 | Chevron U.S.A. Inc. | Temperature and pressure transducer |
| US8106791B2 (en) | 2007-04-13 | 2012-01-31 | Chevron U.S.A. Inc. | System and method for receiving and decoding electromagnetic transmissions within a well |
| US7583085B2 (en) | 2007-04-27 | 2009-09-01 | Hall David R | Downhole sensor assembly |
| US7636052B2 (en) | 2007-12-21 | 2009-12-22 | Chevron U.S.A. Inc. | Apparatus and method for monitoring acoustic energy in a borehole |
| US9547104B2 (en) | 2007-09-04 | 2017-01-17 | Chevron U.S.A. Inc. | Downhole sensor interrogation employing coaxial cable |
| US8353677B2 (en) | 2009-10-05 | 2013-01-15 | Chevron U.S.A. Inc. | System and method for sensing a liquid level |
-
2009
- 2009-10-05 US US12/573,434 patent/US8353677B2/en active Active
-
2010
- 2010-10-04 MX MX2012003960A patent/MX2012003960A/es active IP Right Grant
- 2010-10-04 CN CN2010800446258A patent/CN102549236A/zh active Pending
- 2010-10-04 CA CA2776579A patent/CA2776579C/en not_active Expired - Fee Related
- 2010-10-04 AU AU2010303710A patent/AU2010303710B2/en not_active Ceased
- 2010-10-04 EP EP10768115.7A patent/EP2486232B1/en not_active Not-in-force
- 2010-10-04 IN IN2976DEN2012 patent/IN2012DN02976A/en unknown
- 2010-10-04 WO PCT/US2010/051283 patent/WO2011044023A2/en active Application Filing
- 2010-10-04 BR BR112012007697-3A patent/BR112012007697A2/pt not_active Application Discontinuation
- 2010-10-04 EA EA201270524A patent/EA021895B1/ru not_active IP Right Cessation
-
2012
- 2012-04-04 ZA ZA2012/02459A patent/ZA201202459B/en unknown
- 2012-12-24 US US13/726,515 patent/US8784068B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN102549236A (zh) | 2012-07-04 |
| WO2011044023A3 (en) | 2011-09-29 |
| MX2012003960A (es) | 2012-05-08 |
| CA2776579A1 (en) | 2011-04-14 |
| EP2486232A2 (en) | 2012-08-15 |
| US8353677B2 (en) | 2013-01-15 |
| US20110081256A1 (en) | 2011-04-07 |
| AU2010303710B2 (en) | 2015-07-23 |
| CA2776579C (en) | 2018-06-12 |
| WO2011044023A2 (en) | 2011-04-14 |
| BR112012007697A2 (pt) | 2020-09-15 |
| US20130108474A1 (en) | 2013-05-02 |
| EP2486232B1 (en) | 2017-12-27 |
| US8784068B2 (en) | 2014-07-22 |
| EA021895B1 (ru) | 2015-09-30 |
| ZA201202459B (en) | 2013-06-26 |
| AU2010303710A1 (en) | 2012-04-19 |
| EA201270524A1 (ru) | 2012-09-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| IN2012DN02976A (enrdf_load_stackoverflow) | ||
| MX2013012801A (es) | Sistema y metodo para deteccion de un nivel de liquido. | |
| WO2014074393A3 (en) | Systems and methods for sensing a fluid level within a pipe | |
| MX2016001841A (es) | Sistemas y metodos para mediciones en tiempo real de contenido de gas en fluidos de perforacion. | |
| GB2445498A (en) | Apparatus and method for detecting fluid entering a wellbore | |
| WO2011119318A3 (en) | System and method for correction of borehole effects in a neutron porosity measurement | |
| GB2504419A (en) | Method and system for passive electroseismic surveying | |
| WO2013028515A3 (en) | Wellbore leak detection systems and methods of using the same | |
| WO2009138980A8 (en) | Cavitation detector | |
| GB2543184A (en) | Acoustic calipering and analysis of annulus materials | |
| GB2521282A (en) | Apparatus and method for kick detection using acoustic sensors | |
| PE20140367A1 (es) | Sistema de advertencia de sismos | |
| TW201711639A (en) | Urine amount estimation device and urine amount estimation method | |
| EA201201642A1 (ru) | Устройство для морской буровой установки, способ изготовления морской буровой установки и способ обнаружения текущего или приближающегося события выброса в морской буровой установке | |
| GB2498106A (en) | Frequency sweeping tubewave sources for liquid filled boleholes | |
| WO2014109952A3 (en) | Apparatus and method for determining temperature | |
| WO2014199179A3 (en) | Downhole detection | |
| MX2015014588A (es) | Dispositivo y metodo para detectar y analizar depositos. | |
| EP3020914A3 (en) | Well monitoring | |
| MX2014010100A (es) | Sistema y metodo para determinar una propiedad de un objeto, y una valvula. | |
| GB2543185A (en) | Guided wave downhole fluid sensor | |
| JP2016538541A5 (enrdf_load_stackoverflow) | ||
| MX2016000707A (es) | Medicion del grosor de la tuberia de revestimiento mediante la correlacion de ondas acusticas. | |
| EP4184221A3 (en) | P/s wave measurement and compensation | |
| GB201207527D0 (en) | Determining the depth and orientation of a feature in a wellbore |