ID27202A - Sistem dan proses untuk mengoptimalkan pengukuran gradiometer gravitasi - Google Patents

Sistem dan proses untuk mengoptimalkan pengukuran gradiometer gravitasi

Info

Publication number
ID27202A
ID27202A IDW20002320A ID20002320A ID27202A ID 27202 A ID27202 A ID 27202A ID W20002320 A IDW20002320 A ID W20002320A ID 20002320 A ID20002320 A ID 20002320A ID 27202 A ID27202 A ID 27202A
Authority
ID
Indonesia
Prior art keywords
gradiometers
gravitation
optimizing
optimizing gravitation
gravitation gradiometers
Prior art date
Application number
IDW20002320A
Other languages
English (en)
Inventor
Melvin Schweitzer
Walter K Feldman
William F Konig
Daniel J Difrancesco
David L Sieracki
Carlo P San Giovanni
Original Assignee
Lockheed Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lockheed Corp filed Critical Lockheed Corp
Publication of ID27202A publication Critical patent/ID27202A/id

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V7/00Measuring gravitational fields or waves; Gravimetric prospecting or detecting
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/16Enhanced recovery methods for obtaining hydrocarbons
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/16Enhanced recovery methods for obtaining hydrocarbons
    • E21B43/24Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00Survey of boreholes or wells

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
  • Testing Of Balance (AREA)
IDW20002320A 1998-05-12 1999-05-11 Sistem dan proses untuk mengoptimalkan pengukuran gradiometer gravitasi ID27202A (id)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US8505998P 1998-05-12 1998-05-12
US9993798P 1998-09-11 1998-09-11
US10732998P 1998-11-06 1998-11-06
US10736698P 1998-11-06 1998-11-06
US10913898P 1998-11-18 1998-11-18

Publications (1)

Publication Number Publication Date
ID27202A true ID27202A (id) 2001-03-08

Family

ID=27536390

Family Applications (2)

Application Number Title Priority Date Filing Date
IDW20002320A ID27202A (id) 1998-05-12 1999-05-11 Sistem dan proses untuk mengoptimalkan pengukuran gradiometer gravitasi
IDW20002321A ID27811A (id) 1998-05-12 1999-05-11 Sistem dan proses untuk pemulihan hidrokarbon sekunder

Family Applications After (1)

Application Number Title Priority Date Filing Date
IDW20002321A ID27811A (id) 1998-05-12 1999-05-11 Sistem dan proses untuk pemulihan hidrokarbon sekunder

Country Status (8)

Country Link
US (4) US6125698A (id)
AU (2) AU3893399A (id)
BR (1) BR9910400A (id)
CA (2) CA2330969C (id)
DE (2) DE19983216C2 (id)
ID (2) ID27202A (id)
MX (2) MXPA00011040A (id)
WO (2) WO1999059002A2 (id)

Families Citing this family (87)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ID27202A (id) * 1998-05-12 2001-03-08 Lockheed Corp Sistem dan proses untuk mengoptimalkan pengukuran gradiometer gravitasi
US6993433B2 (en) * 1999-04-02 2006-01-31 Conocophillips Company Modeling gravity and tensor gravity data using poisson's equation for airborne, surface and borehole applications
US6675097B2 (en) * 1999-04-02 2004-01-06 Conoco Inc. Nonlinear constrained inversion method to determine base of salt interface from gravity and gravity tensor data
US7006959B1 (en) * 1999-10-12 2006-02-28 Exxonmobil Upstream Research Company Method and system for simulating a hydrocarbon-bearing formation
AU5902801A (en) * 2000-04-14 2001-10-30 Lockheed Corp Method of determining boundary interface changes in a natural resource deposit
US7011154B2 (en) 2000-04-24 2006-03-14 Shell Oil Company In situ recovery from a kerogen and liquid hydrocarbon containing formation
US7096953B2 (en) 2000-04-24 2006-08-29 Shell Oil Company In situ thermal processing of a coal formation using a movable heating element
CA2669788C (en) 2000-04-24 2010-03-30 Shell Canada Limited In situ recovery from a hydrocarbon containing formation
DE60114655D1 (de) 2000-11-28 2005-12-08 Business Arts Inc Schwerkraft-gradiometrie
FR2817587B1 (fr) * 2000-12-04 2003-02-07 Innov Pro Procede et dispositif pour determiner la qualite de reserve d'un puits de petrole
US6615660B1 (en) * 2001-03-07 2003-09-09 Lockheed Martin Corporation Real-time self-compensating gravity gradiometer instrument
US6904366B2 (en) * 2001-04-03 2005-06-07 The Regents Of The University Of California Waterflood control system for maximizing total oil recovery
CA2668385C (en) 2001-04-24 2012-05-22 Shell Canada Limited In situ recovery from a tar sands formation
WO2002086029A2 (en) 2001-04-24 2002-10-31 Shell Oil Company In situ recovery from a relatively low permeability formation containing heavy hydrocarbons
US6877555B2 (en) 2001-04-24 2005-04-12 Shell Oil Company In situ thermal processing of an oil shale formation while inhibiting coking
US6981548B2 (en) 2001-04-24 2006-01-03 Shell Oil Company In situ thermal recovery from a relatively permeable formation
US6823279B1 (en) * 2001-07-27 2004-11-23 Trimble Navigation Limted Spectral method for calibrating a multi-axis accelerometer device
AU2002335711A1 (en) * 2001-09-07 2003-03-24 Conocophillips Company A nonlinear constrained inversion method to determine base of salt interface from gravity and gravity tensor data
US7165615B2 (en) 2001-10-24 2007-01-23 Shell Oil Company In situ recovery from a hydrocarbon containing formation using conductor-in-conduit heat sources with an electrically conductive material in the overburden
US7090013B2 (en) 2001-10-24 2006-08-15 Shell Oil Company In situ thermal processing of a hydrocarbon containing formation to produce heated fluids
AU2002342140B2 (en) 2001-10-24 2007-09-20 Shell Internationale Research Maatschappij B.V. In situ recovery from a hydrocarbon containing formation using barriers
US7077199B2 (en) 2001-10-24 2006-07-18 Shell Oil Company In situ thermal processing of an oil reservoir formation
US7104319B2 (en) 2001-10-24 2006-09-12 Shell Oil Company In situ thermal processing of a heavy oil diatomite formation
WO2003076970A1 (en) * 2002-03-06 2003-09-18 Lockheed Martin Corporation Gravity gradiometer and method for calculating a gravity tensor with increased accuracy
AUPS114702A0 (en) * 2002-03-18 2002-04-18 Bhp Billiton Innovation Pty Ltd Enhancement of sensors for airborne operation
US6820696B2 (en) 2002-04-25 2004-11-23 Conocophillips Company Petroleum production utilizing a salt cavern
GB0212015D0 (en) * 2002-05-24 2002-07-03 Schlumberger Holdings A method for monitoring fluid front movements in hydrocarbon reservoirs using different types of permanent sensors
CA2488511C (en) * 2002-06-28 2012-07-03 Gedex Inc. System and method for surveying underground density distributions
US8200072B2 (en) * 2002-10-24 2012-06-12 Shell Oil Company Temperature limited heaters for heating subsurface formations or wellbores
US20060070432A1 (en) * 2003-03-21 2006-04-06 Ander Mark E Gravity techniques for drilling and logging
WO2004086094A1 (en) * 2003-03-26 2004-10-07 Westergeco Seismic Holdings Limited Processing seismic data representative of the acceleration wavefield
NZ543753A (en) 2003-04-24 2008-11-28 Shell Int Research Thermal processes for subsurface formations
US7177743B2 (en) * 2003-06-02 2007-02-13 Toyota Engineering & Manufacturing North America, Inc. Vehicle control system having an adaptive controller
CA2456459C (en) * 2003-06-16 2011-02-01 Andrew M. Mcdermott Method for enhancing depth and spatial resolution of one and two dimensional residual surfaces derived from scalar potential data
US7027354B2 (en) * 2003-09-22 2006-04-11 4Th Wave Imaging Corp. Method of obtaining pore pressure and fluid saturation changes in subterranean reservoirs by forward modeling
CA2579496A1 (en) 2004-04-23 2005-11-03 Shell Internationale Research Maatschappij B.V. Subsurface electrical heaters using nitride insulation
US7113868B2 (en) * 2004-08-11 2006-09-26 Bell Geospace, Inc. Method and system for processing geophysical survey data
US7575052B2 (en) 2005-04-22 2009-08-18 Shell Oil Company In situ conversion process utilizing a closed loop heating system
JP5570723B2 (ja) 2005-10-24 2014-08-13 シエル・インターナシヨネイル・リサーチ・マーチヤツピイ・ベー・ウイ 原油生成物の分解による追加の原油生成物の製造方法
US7610962B2 (en) 2006-04-21 2009-11-03 Shell Oil Company Sour gas injection for use with in situ heat treatment
US7588081B2 (en) * 2006-05-17 2009-09-15 Schlumberger Technology Corporation Method of modifying permeability between injection and production wells
US20090240478A1 (en) * 2006-09-20 2009-09-24 Searles Kevin H Earth Stress Analysis Method For Hydrocarbon Recovery
US8165816B2 (en) * 2006-09-20 2012-04-24 Exxonmobil Upstream Research Company Fluid injection management method for hydrocarbon recovery
WO2008036152A2 (en) * 2006-09-20 2008-03-27 Exxonmobil Upstream Research Company Earth stress management and control process for hydrocarbon recovery
RU2453692C2 (ru) 2006-10-20 2012-06-20 Шелл Интернэшнл Рисерч Маатсхаппий Б.В. Способ обработки пласта битуминозных песков и транспортное топливо, изготовленное с использованием способа
US7636275B2 (en) * 2007-02-06 2009-12-22 Conocophillips Company Direct time lapse inversion of seismic data
ITMI20070746A1 (it) * 2007-04-13 2008-10-14 Eni Spa Metodo di stima dei volumi di fluidi movimentati in aree compartimentate del sottosuolo
WO2008131168A1 (en) 2007-04-20 2008-10-30 Shell Oil Company Electrically isolating insulated conductor heater
US20080283245A1 (en) * 2007-05-16 2008-11-20 Chevron U.S.A. Inc. Method and system for heat management of an oil field
US7874358B2 (en) * 2007-06-28 2011-01-25 Gedex Inc. Method for oil sand exploration and development
GB2451807B (en) * 2007-08-02 2012-01-18 Arkex Ltd Geophysical data processing systems
US8375785B2 (en) * 2007-09-06 2013-02-19 Lockheed Martin Corporation Gravity gradiometer system
US8113042B2 (en) * 2007-09-28 2012-02-14 Schlumberger Technology Corporation Gravity measurment methods for monitoring reservoirs
CA2698564C (en) 2007-10-19 2014-08-12 Shell Internationale Research Maatschappij B.V. In situ oxidation of subsurface formations
US8151907B2 (en) 2008-04-18 2012-04-10 Shell Oil Company Dual motor systems and non-rotating sensors for use in developing wellbores in subsurface formations
US8347711B2 (en) * 2008-09-15 2013-01-08 Lockheed Martin Corporation Atom-interferometric, stepped gravity gradient measuring system
CN102089676B (zh) * 2008-09-25 2013-06-19 技术资源有限公司 重力梯度仪
EA027249B1 (ru) * 2008-09-25 2017-07-31 Текнолоджикал Ресорсиз Пти Лтд. Детектор для обнаружения градиента силы тяжести
CA2739039C (en) 2008-10-13 2018-01-02 Shell Internationale Research Maatschappij B.V. Systems and methods for treating a subsurface formation with electrical conductors
US8286485B2 (en) * 2008-11-07 2012-10-16 Lockheed Martin Corporation Gravimeter launch mechanism
US7954375B2 (en) * 2009-01-21 2011-06-07 General Dyamics Advanced Information Systems, Inc. Inclined axis gravity gradiometer
US8434555B2 (en) 2009-04-10 2013-05-07 Shell Oil Company Irregular pattern treatment of a subsurface formation
US8359920B2 (en) * 2009-05-15 2013-01-29 Lockheed Martin Corp. Gravity sensing instrument
FR2946759B1 (fr) * 2009-06-12 2011-08-19 Thales Sa Procede de mesure par gravimetrie et systeme mettant en oeuvre le procede
US20130055808A1 (en) * 2010-03-29 2013-03-07 Frank Joachim Van Kann Gravity gradiometer with correction of external disturbance
US8631866B2 (en) 2010-04-09 2014-01-21 Shell Oil Company Leak detection in circulated fluid systems for heating subsurface formations
US8701769B2 (en) 2010-04-09 2014-04-22 Shell Oil Company Methods for treating hydrocarbon formations based on geology
US9127523B2 (en) 2010-04-09 2015-09-08 Shell Oil Company Barrier methods for use in subsurface hydrocarbon formations
US8875788B2 (en) 2010-04-09 2014-11-04 Shell Oil Company Low temperature inductive heating of subsurface formations
GB201008993D0 (en) * 2010-05-28 2010-07-14 Arkex Ltd Processing geophysical data
AU2012218782B2 (en) * 2011-02-17 2015-12-10 Gedex Systems Inc. Gravity gradiometer and methods for measuring gravity gradients
NO345539B1 (no) * 2011-03-25 2021-04-12 Baker Hughes Holdings Llc Bruk av frekvensstandarder for gravitasjonsundersøkelser
US9016370B2 (en) 2011-04-08 2015-04-28 Shell Oil Company Partial solution mining of hydrocarbon containing layers prior to in situ heat treatment
US9651708B2 (en) * 2011-04-21 2017-05-16 Baker Hughes Incorporated Method of mapping reservoir fluid movement using gravity sensors
RU2465453C1 (ru) * 2011-04-26 2012-10-27 Иван Иванович Полын Способ определения пластового давления в межскважинном пространстве
EP2530239A1 (de) * 2011-05-31 2012-12-05 Siemens Aktiengesellschaft Injektionssystem für ein Ölfördersystem
US9279314B2 (en) 2011-08-11 2016-03-08 Conocophillips Company Heat front capture in thermal recovery simulations of hydrocarbon reservoirs
RU2612774C2 (ru) 2011-10-07 2017-03-13 Шелл Интернэшнл Рисерч Маатсхаппий Б.В. Аккомодация теплового расширения для систем с циркулирующей текучей средой, используемых для нагревания толщи пород
US20150032377A1 (en) * 2013-07-29 2015-01-29 Chevron U.S.A. Inc. System and method for remaining resource mapping
CN105637173B (zh) * 2013-11-21 2018-10-19 哈利伯顿能源服务公司 基于交叉耦合的流体前缘监测
RU2016131935A (ru) 2014-01-14 2018-02-16 Бейкер Хьюз Инкорпорейтед Способ обнаружения смещения фронта подвижной текучей среды комбинацией электрических и гравиметрических измерений в стволах скважин
US9519076B2 (en) 2014-02-20 2016-12-13 Lockheed Martin Corporation De-centralized control architecture for improved sensitivity of accelerometer-based gravity gradiometers
CA2943443C (en) 2014-03-28 2022-11-01 Gedex Systems Inc. Absolute vector gravimeter and methods of measuring an absolute gravity vector
CA2973741C (en) 2015-01-28 2024-01-23 Gedex Systems Inc. Inertial sensing augmentation for navigation of spacecraft
US20160320509A1 (en) * 2015-04-30 2016-11-03 Saudi Arabian Oil Company Suppressing near-surface scattered surface waves
GB2573152B (en) * 2018-04-26 2020-05-27 Equinor Energy As Providing for uncertainty in non-linear inversions of geophysical data
US12098630B2 (en) 2020-02-04 2024-09-24 Halliburton Energy Services, Inc. Movement noise suppression in a moving array for downhole leakage localization

Family Cites Families (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3338095A (en) * 1964-08-19 1967-08-29 Exxon Production Research Co Method for tracing the movement of fluid interfaces
US3630086A (en) * 1970-06-22 1971-12-28 Massachusetts Inst Technology Centrifugal-balance gravity gradiometer
US3731537A (en) * 1970-06-22 1973-05-08 Massachusetts Inst Technology Gravity gradiometer
US4100482A (en) * 1976-06-29 1978-07-11 Mits-Co Geophysics Ltd. Method and apparatus for measuring ellipse parameters of electromagnetic polarization in geophysical exploration
US4060718A (en) * 1976-12-10 1977-11-29 Litton Systems, Inc. Geodetic survey method
US4085798A (en) * 1976-12-15 1978-04-25 Schlumberger Technology Corporation Method for investigating the front profile during flooding of formations
US4143714A (en) * 1977-08-19 1979-03-13 Texaco Exploration Canada Ltd. Method for monitoring underground fluid movement for improving recovery of oil or bitumen
US4206809A (en) * 1978-11-02 1980-06-10 Marathon Oil Company Slug design in micellar-polymer flooding
US4381544A (en) * 1980-11-07 1983-04-26 Northwest Energy Company Process and apparatus for geotechnic exploration
US5661649A (en) * 1981-10-09 1997-08-26 Carson Services, Inc. Airborne gravity and magnetic field surveying method
US4435981A (en) * 1981-10-09 1984-03-13 Carson Helicopters, Inc. Airborne gravity surveying
US4602508A (en) * 1984-10-04 1986-07-29 Mobil Oil Corporation Continuous gravity gradient logging
US5001634A (en) * 1986-12-23 1991-03-19 Petroscan Ab Method for mapping of sea level undulations with applications to hydrocarbon prospecting
US5341681A (en) * 1987-11-27 1994-08-30 Unisys Corporation Stepped gravity gradiometer
US4841772A (en) * 1987-12-03 1989-06-27 University Of Maryland, College Park Three-axis superconducting gravity gradiometer
DD269456A1 (de) 1988-02-24 1989-06-28 Akad Wissenschaften Ddr Schweregradiometer zur bestimmung aller komponenten des schweregradienttensors
US5218864A (en) * 1991-12-10 1993-06-15 Conoco Inc. Layer density determination using surface and deviated borehole gravity values
US5339684A (en) * 1991-12-10 1994-08-23 Textron Inc. Gravity aided inertial navigation system
US5588032A (en) * 1992-10-14 1996-12-24 Johnson; Steven A. Apparatus and method for imaging with wavefields using inverse scattering techniques
FR2699287B1 (fr) * 1992-12-14 1995-01-06 Commissariat Energie Atomique Procédé et dispositif de cartographie magnétique.
US5357802A (en) * 1993-05-07 1994-10-25 Textron, Incorporated Rotating accelerometer gradiometer
CA2104179A1 (en) * 1993-08-16 1995-02-17 Canagrav Research Ltd. Isolation of environmental accelerations and tilts on moving platform
US5734104A (en) * 1993-08-16 1998-03-31 Panenka; Jerry R. Laplace gravity gradiometer
CA2104354A1 (en) * 1993-08-18 1995-02-19 Jerry R. Panenka Air-borne gravity and differential gravity surveying system
US5390114A (en) * 1993-12-13 1995-02-14 Atlantic Richfield Company Isostatically corrected gravity displays
US5402340A (en) * 1994-05-02 1995-03-28 Textron, Inc. Gradiometer based terrain estimation
US5586082A (en) * 1995-03-02 1996-12-17 The Trustees Of Columbia University In The City Of New York Method for identifying subsurface fluid migration and drainage pathways in and among oil and gas reservoirs using 3-D and 4-D seismic imaging
US5673191A (en) * 1995-04-10 1997-09-30 Atlantic Richfield Company Method and apparatus for identifying geological structures using wavelet analysis of potential fields
FR2734069B1 (fr) * 1995-05-12 1997-07-04 Inst Francais Du Petrole Methode pour predire, par une technique d'inversion, l'evolution de la production d'un gisement souterrain
AUPN951096A0 (en) * 1996-04-26 1996-05-23 Commonwealth Scientific And Industrial Research Organisation Gravity meter
WO1998015852A1 (de) * 1996-10-10 1998-04-16 Manfred Alexander Gregor Automatische kraft- und arbeitsmaschine mit gravitations- und rotationsantrieb und gravitationsmessgerät
US5912643A (en) * 1997-05-29 1999-06-15 Lockheed Corporation Passive navigation system
US5922951A (en) * 1997-06-11 1999-07-13 The Broken Hill Proprietary Company Ltd. Gravity gradiometer
US5962782A (en) * 1997-06-11 1999-10-05 The Broken Hill Proprietary Company Limited Gravity gradiometer accelerometers
GB9726764D0 (en) * 1997-12-18 1998-02-18 Univ Birmingham Measuring device
ID27202A (id) * 1998-05-12 2001-03-08 Lockheed Corp Sistem dan proses untuk mengoptimalkan pengukuran gradiometer gravitasi

Also Published As

Publication number Publication date
CA2330969C (en) 2005-11-15
BR9910400A (pt) 2001-09-04
WO1999058816A1 (en) 1999-11-18
US6125698A (en) 2000-10-03
DE19983216C2 (de) 2003-07-17
AU3893399A (en) 1999-11-29
CA2330968C (en) 2002-10-29
DE19983231B4 (de) 2005-12-01
US6152226A (en) 2000-11-28
WO1999059002A3 (en) 2000-02-03
AU3978399A (en) 1999-11-29
CA2330969A1 (en) 1999-11-18
CA2330968A1 (en) 1999-11-18
ID27811A (id) 2001-04-26
US6212952B1 (en) 2001-04-10
DE19983216T1 (de) 2001-05-17
US6467543B1 (en) 2002-10-22
MXPA00011041A (es) 2003-08-01
DE19983231T1 (de) 2001-05-17
WO1999059002A2 (en) 1999-11-18
MXPA00011040A (es) 2003-08-01

Similar Documents

Publication Publication Date Title
ID27202A (id) Sistem dan proses untuk mengoptimalkan pengukuran gradiometer gravitasi
GB2342793B (en) Unified test system and method
ID16508A (id) Metode dan sistem untuk pemantauan sumur
GB2341927B (en) Method and system for towing multiple streamers
IL127293A0 (en) Script development systems and methods useful therefor
IL120632A0 (en) Multiprocessor system and method
ID20811A (id) Sistem dan metode untuk memdapatkan data mesin
EP0795131A4 (en) SYSTEM FOR DETERMINING PARTICLE AGGLUTINATION
GB9615802D0 (en) Simulation system
GB2316545B (en) Seismic cable retrieval systems
EG22556A (en) Method and system for combining three component seismic data
GB2327756B (en) Seismic cable
IL113098A0 (en) Solar collection system
DE59505152D1 (en) Gradiometer
IL121534A0 (en) Immunoassay method
GB2321665B (en) Seismic cables
GB2332520B (en) Seismic data acquisition method
GB2330094B (en) Sorting system
GB2337128B (en) Magnetic gradiometer
GB9514734D0 (en) Tunnelling Methods
GB9622044D0 (en) Seismic surveying system
SE9403926D0 (sv) Förfarande vid partikelsortering
ID18667A (id) Metode dan sistem penjadwalan
AU7795398A (en) Neurotechnical method for geological research and prospecting
GB9504516D0 (en) Vehicle tagging system