DK200801000A - Electromagnetic surveying - Google Patents
Electromagnetic surveying Download PDFInfo
- Publication number
- DK200801000A DK200801000A DK200801000A DKPA200801000A DK200801000A DK 200801000 A DK200801000 A DK 200801000A DK 200801000 A DK200801000 A DK 200801000A DK PA200801000 A DKPA200801000 A DK PA200801000A DK 200801000 A DK200801000 A DK 200801000A
- Authority
- DK
- Denmark
- Prior art keywords
- transmitter
- antenna
- layer
- changes
- seabed
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 claims 3
- 239000013535 sea water Substances 0.000 claims 2
- 230000005672 electromagnetic field Effects 0.000 claims 1
- 230000010355 oscillation Effects 0.000 claims 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/12—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with electromagnetic waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/15—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for use during transport, e.g. by a person, vehicle or boat
- G01V3/17—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for use during transport, e.g. by a person, vehicle or boat operating with electromagnetic waves
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
Landscapes
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Electromagnetism (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Geophysics And Detection Of Objects (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Claims (15)
1. Fremgangsmåde til bestemmelse af beskaffenheden af et underjordisk lag, hvilken fremgangsmåde omfatter anvendelse af en elektrisk dipoltransmitterantenne og påføring af et elektromagnetisk (EM) felt på det lag der indeholder reservoiret, under anvendelse af transmitteren, kendetegnet ved følgende trin: måling af strømmen og spændingen ved antenneterminalerne under den elektromagnetiske transmission; og bestemmelse af lagets beskaffenhed ud fra ændringer i den målte spænding.
2. Fremgangsmåde ifølge krav 1, kendetegnet ved at antennens indgangsimpedans beregnes ud fra den målte strøm og spænding, og lagets beskaffenhed bestemmes ud fra ændringer i impedansen.
3. Fremgangsmåde ifølge krav 2, kendetegnet ved at ændringerne i impedansen anvendes til at beregne lagets resistivitet, og lagets beskaffenhed udledes af resistiviteten.
4. Fremgangsmåde ifølge krav 3, kendetegnet ved at resistiviteten kombineres med eksisterende geologisk viden om laget for at bestemme lagets beskaffenhed.
5. Fremgangsmåde ifølge krav 4, kendetegnet ved at den eksisterende geologiske viden omfatter seismiske data.
6. Fremgangsmåde ifølge et hvilket som helst af kravene 2 til 5, kendetegnet ved at havvandets ledningsevne overvåges, og ændringer i havvandets ledningsevne tages i betragtning ved bestemmelsen af antenneindgangsimpedansen.
7. Fremgangsmåde ifølge et hvilket som helst af kravene 2 til 6, kendetegnet ved at antennens højde over havbunden overvåges, og ændringer i antennehøjden tages i betragtning ved bestemmelsen af antenneindgangsimpedansen.
8. Fremgangsmåde ifølge et hvilket som helst af de foregående krav, kendetegnet ved at transmitterantennen anvendes når dens akse generelt er horisontal.
9. Fremgangsmåde ifølge et hvilket som helst af de foregående krav, kendetegnet ved at transmitteren slæbes over havbunden, mens det elektromagnetiske felt transmitteres.
10. Fremgangsmåde ifølge et hvilket som helst af de foregående krav, kendetegnet ved at transmitteren slæbes i en afstand på mellem 20 m og 200 m fra havbunden.
11. Fremgangsmåde ifølge et hvilket som helst af de foregående krav, kendetegnet ved at transmitteren slæbes i en afstand fra havbunden der er væsentligt mindre end bølgelængden af den elektromagnetiske transmitters frekvenser.
12. Fremgangsmåde ifølge et hvilket som helst af de foregående krav, kendetegnet ved at den transmitterede signalform indeholder harmoniske svingninger der anvendes ved bestemmelsen af antenneindgangsimpedansen.
13. Fremgangsmåde ifølge et hvilket som helst af de foregående krav, kendetegnet ved at den elektromagnetiske transmitters bølgelængde er givet ved formlen 0,01h < λ < 30h, hvor λ er transmissionens bølgelængde gennem de undersøiske lag, og h er afstanden fra havbunden til de lag der undersøges.
14. Fremgangsmåde ifølge et hvilket som helst af de foregående krav, kendetegnet ved at transmissionsfrekvensen er fra 0,01 Hz til 1 kHz.
15. Fremgangsmåde til fremstilling af en landmålingsrapport, hvilken fremgangsmåde omfatter udførelse af en fremgangsmåde ifølge et hvilket som helst af de foregående krav og formulering af spændings- og/eller impedansændringerne sammen med de relaterede konklusioner i en rapport.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0602656A GB2435693A (en) | 2006-02-09 | 2006-02-09 | Seabed electromagnetic surveying |
Publications (1)
Publication Number | Publication Date |
---|---|
DK200801000A true DK200801000A (da) | 2008-09-15 |
Family
ID=36119824
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK200801000A DK200801000A (da) | 2006-02-09 | 2008-07-15 | Electromagnetic surveying |
Country Status (10)
Country | Link |
---|---|
US (1) | US8188748B2 (da) |
EP (1) | EP1982216A2 (da) |
CN (1) | CN101379414A (da) |
AU (1) | AU2007213522A1 (da) |
CA (1) | CA2641813A1 (da) |
DK (1) | DK200801000A (da) |
GB (1) | GB2435693A (da) |
NO (1) | NO20083824L (da) |
RU (1) | RU2008136183A (da) |
WO (1) | WO2007091086A2 (da) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2409900B (en) | 2004-01-09 | 2006-05-24 | Statoil Asa | Processing seismic data representing a physical system |
GB2420855B (en) | 2004-12-02 | 2009-08-26 | Electromagnetic Geoservices As | Source for electromagnetic surveying |
GB2422673B (en) * | 2005-02-01 | 2010-03-24 | Electromagnetic Geoservices As | Optimum signal for sea bed logging |
GB2439378B (en) * | 2006-06-09 | 2011-03-16 | Electromagnetic Geoservices As | Instrument for measuring electromagnetic signals |
GB2442749B (en) | 2006-10-12 | 2010-05-19 | Electromagnetic Geoservices As | Positioning system |
GB2445582A (en) | 2007-01-09 | 2008-07-16 | Statoil Asa | Method for analysing data from an electromagnetic survey |
JP5571549B2 (ja) | 2007-05-14 | 2014-08-13 | オーシャン フロア ジオフィジックス インコーポレイテッド | 地球物理学的方法及び地球物理学的システム |
GB2466764B (en) | 2008-10-02 | 2013-03-27 | Electromagnetic Geoservices As | Method for enhanced subsurface electromagnetic sensitivity |
US20120130641A1 (en) * | 2009-04-10 | 2012-05-24 | Morrison H Frank | Marine Source To Borehole Electromagnetic Mapping Of Sub-Bottom Electrical Resistivity |
US8378685B2 (en) | 2010-03-22 | 2013-02-19 | Westerngeco L.L.C. | Surveying a subterranean structure using a vertically oriented electromagnetic source |
GB2481845B (en) | 2010-07-08 | 2014-04-30 | Electromagnetic Geoservices As | Low noise marine electric field sensor system |
US20120323541A1 (en) * | 2011-06-14 | 2012-12-20 | Seoul National University R&Db Foundation | Seismic imaging method considering a contour of the sea bottom |
RU2491580C1 (ru) * | 2012-02-07 | 2013-08-27 | Общество с ограниченной ответственностью "Сибирская геофизическая научно-производственная компания" | Способ измерения геофизических характеристик с применением последующей инверсии геоэлектрических данных с дополнительным временным фильтром |
US9194225B2 (en) * | 2012-11-07 | 2015-11-24 | Chevron U.S.A. Inc. | Systems and methods for sensing a fluid level within a pipe |
US20140266215A1 (en) * | 2013-03-12 | 2014-09-18 | Pgs Geophysical As | Systems and methods for measuring water properties in electromagnetic marine surveys |
US9274241B2 (en) * | 2013-03-14 | 2016-03-01 | Pgs Geophysical As | Method and system for suppressing swell-induced electromagnetic noise |
CN110989019B (zh) * | 2019-12-26 | 2021-10-08 | 中国科学院电工研究所 | 一种海底底质磁学特性原位探测数据采集与处理的方法 |
Family Cites Families (249)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB188676A (en) | 1918-09-20 | 1922-12-14 | Alexander George Ionides | Improvements relating to the detection of the presence of submarine vessels and other conducting bodies |
GB220070A (en) | 1923-05-10 | 1924-08-11 | Richard Streader | Transmission mechanism for motor land and water vehicles |
GB234390A (en) | 1924-12-08 | 1925-05-28 | Mueller Heinrich | Eyes for plush toy figures |
US1818331A (en) | 1928-08-21 | 1931-08-11 | Radiore Company | Method for determining the character of ore bodies |
US2077707A (en) * | 1933-08-01 | 1937-04-20 | Melton Benjamin Starr | Electromagnetic prospecting method |
US2139460A (en) | 1936-07-06 | 1938-12-06 | Geo Frequenta Corp | Means and method for geophysical prospecting |
US2268106A (en) | 1939-05-13 | 1941-12-30 | Standard Oil Dev Co | Radio wave prospecting |
US2426918A (en) | 1941-03-17 | 1947-09-02 | Engineering Res Corp | Method for electromagnetic-wave investigations of earth formations |
US2531088A (en) | 1947-10-16 | 1950-11-21 | Standard Oil Dev Co | Electrical prospecting method |
US2766422A (en) | 1949-07-02 | 1956-10-09 | Carbonetto Stefano | Methods and arrangements for detecting layers of hydrocarbons in the ground |
US2919397A (en) | 1956-04-30 | 1959-12-29 | Lawrence W Morley | Method and apparatus for inductive prospecting |
US2907389A (en) | 1956-06-18 | 1959-10-06 | Phillips Petroleum Co | Recovery of oil from oil sands and the like |
US2953742A (en) | 1957-09-04 | 1960-09-20 | Charles J Hughes | Geophysical prospecting apparatus |
US3052836A (en) | 1957-12-24 | 1962-09-04 | Shell Oil Co | Method for marine electrical prospecting |
US3113316A (en) | 1960-05-23 | 1963-12-03 | Collins Radio Co | Uni-directional circularly polarized log periodic antenna |
US3114875A (en) * | 1961-05-04 | 1963-12-17 | Raytheon Co | Microwave device for testing formations surrounding a borehole having means for measuring the standing wave ratio of energy incident to and reflected from the formations |
US3105014A (en) | 1961-12-07 | 1963-09-24 | Tidewater Oil Company | Bacterial treatment of media containing hydrocarbons and sulfides |
US3182250A (en) * | 1962-02-23 | 1965-05-04 | Sun Oil Co | Surface electrical prospecting apparatus utilizing current focusing electrode means |
US3332487A (en) | 1963-09-30 | 1967-07-25 | Pan American Petroleum Corp | Aerobic bacteria in oil recovery |
US3398356A (en) | 1964-02-10 | 1968-08-20 | Westinghouse Electric Corp | Method utilizing a pair of subsurface antennas for determining the physical properties effecting radio energy propagation through earth |
GB1239953A (en) | 1967-06-06 | 1971-07-21 | Rech S Geol Et Minieres Bureau | Improvements in or relating to methods and apparatus for determining the electrical resistance of the sub-soil |
US3763419A (en) | 1969-03-06 | 1973-10-02 | Barringer Research Ltd | Geophysical exploration method using the vertical electric component of a vlf field as a reference |
US3836960A (en) | 1970-03-12 | 1974-09-17 | Gen Dynamics Corp | Sensor system |
GB1342475A (en) | 1970-11-11 | 1974-01-03 | Russell A W | Directional drilling of boreholes |
US4010413A (en) * | 1971-08-23 | 1977-03-01 | Geo-Nav, Inc. | Plural frequency geological exploration system and method with phase comparison |
US3806795A (en) * | 1972-01-03 | 1974-04-23 | Geophysical Survey Sys Inc | Geophysical surveying system employing electromagnetic impulses |
US4094304A (en) | 1972-10-16 | 1978-06-13 | Bolt Beranek And Newman Inc. | Method and apparatus for measurement of acoustic impedance transitions in media such as human bodies |
US4168484A (en) | 1972-10-16 | 1979-09-18 | Bolt Beranek And Newman Inc. | Method of and apparatus for radiant energy measurement of impedance transitions in media, for identification and related purposes |
US3819246A (en) | 1972-10-20 | 1974-06-25 | List Ind Inc | Storage locker |
GB1456009A (en) * | 1973-06-25 | 1976-11-17 | Central Geophysics Ltd | Method for exciting and detecing resonant oscillations from electronic conductors in the earth |
FR2288988A1 (fr) | 1974-07-30 | 1976-05-21 | Duroux Jean | Procede et appareil de prospection en mer par mesure de champs electromagnetiques |
US4041372A (en) | 1975-09-08 | 1977-08-09 | Continental Oil Company | Apparatus for multi-channel induced polarization surveying |
US3990123A (en) | 1975-09-22 | 1976-11-09 | The United States Of America As Represented By The Secretary Of The Navy | Inflatable sonar array |
DE2550715C3 (de) * | 1975-11-12 | 1980-07-03 | Diether-Alfred 5305 Alfter- Oedekoven Schroeder | Schaltungsanordnung zum geophysikalischen Prospektieren aus einem Fahrzeug heraus |
US4079309A (en) * | 1976-09-03 | 1978-03-14 | The United States Of America As Represented By The Secretary Of The Navy | Method for determining changes in earth resistivity by measuring phase difference between magnetic field components |
US4077686A (en) * | 1977-01-10 | 1978-03-07 | Kero Metal Products Co., Inc. | Prefabricated metal storage cabinets |
FR2390743A1 (fr) * | 1977-05-09 | 1978-12-08 | Geophysique Cie Gle | Prospection electromagnetique du sous-sol par induction, associee a une prospection par sondage electrique |
US4296379A (en) | 1977-08-25 | 1981-10-20 | Eizaburo Yoshizumi | Ground prospecting method utilizing electrical resistivity measurements for measuring the resistivity of unit blocks of the ground |
US4258321A (en) * | 1978-03-09 | 1981-03-24 | Neale Jr Dory J | Radio geophysical surveying method and apparatus |
GB1588495A (en) | 1978-05-19 | 1981-04-23 | Shell Int Research | Method and means for waterbottom logging |
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 |
US4446434A (en) * | 1978-12-20 | 1984-05-01 | Conoco Inc. | Hydrocarbon prospecting method with changing of electrode spacing for the indirect detection of hydrocarbon reservoirs |
US4229809A (en) | 1979-01-29 | 1980-10-21 | Sperry Corporation | Acoustic under sea position measurement system |
US5025218A (en) | 1979-04-23 | 1991-06-18 | The United States Of America As Represented By The Secretary Of The Navy | Pulsed field system for detecting the presence of a target in a subsurface environment |
US4218678A (en) | 1979-05-11 | 1980-08-19 | Ensco, Inc. | Synthetic pulse radar including a microprocessor based controller |
FR2458838A1 (fr) | 1979-06-06 | 1981-01-02 | Thomson Csf | Dispositif de mesure de l'orientation relative de deux corps et systeme de reperage de direction correspondant |
MA18895A1 (fr) | 1979-07-09 | 1981-04-01 | Cie Generale De Geophysique Sa | Procede et dispositif de prospection geophysique a courants transitoires |
US4283099A (en) | 1979-07-16 | 1981-08-11 | Waters Instruments, Inc. | Locker cabinet |
SE419269B (sv) * | 1979-11-29 | 1981-07-20 | Boliden Ab | Forfarande och anordning for bestemning av markens elektriska ledningsformaga |
FR2479992A1 (fr) | 1980-04-03 | 1981-10-09 | Duroux Jean | Procede de prospection geophysique par reflexion electromagnetique par mesure du champ electrique reflechi et moyen de mise en oeuvre par emetteur et recepteur rapproches |
NZ199066A (en) | 1980-12-10 | 1985-08-30 | Chevron Res | Marine seismic streamer location |
FR2497360A1 (fr) | 1980-12-31 | 1982-07-02 | Schlumberger Prospection | Mesure de phase et d'amplitude pour un systeme de diagraphie des proprietes dielectriques |
US4456067A (en) | 1981-04-03 | 1984-06-26 | Marathon Oil Company | Process for inhibiting hydrate formation in producing gas wells |
US4451789A (en) * | 1981-09-28 | 1984-05-29 | Nl Industries, Inc. | Logging tool and method for measuring resistivity of different radial zones at a common depth of measurement |
US4504833A (en) * | 1981-12-09 | 1985-03-12 | Xadar Corporation | Synthetic pulse radar system and method |
US4506225A (en) * | 1981-12-28 | 1985-03-19 | Barringer Research Limited | Method for remote measurement of anomalous complex variations of a predetermined electrical parameter in a target zone |
FR2519769B1 (fr) * | 1982-01-12 | 1985-09-20 | Thomson Csf | Systeme de positionnement acoustique |
US4489276A (en) | 1982-01-20 | 1984-12-18 | The United States Of America As Represented By The United States Department Of Energy | Dual-cone double-helical downhole logging device |
CA1133058A (en) | 1982-02-18 | 1982-10-05 | Geonics Limited | Electromagnetic geophysical surveying system |
US4494805A (en) * | 1982-11-29 | 1985-01-22 | Glen E. Beymer | Equipment locker |
PL141895B1 (en) | 1983-03-03 | 1987-09-30 | Instytut Gornictwa Naftowego Gaz | Method of and system for direct prospecting of hydrocarbon accumulations |
US4594551A (en) | 1983-03-31 | 1986-06-10 | Texaco Inc. | Method of deep penetration well logging using three receivers |
US4500146A (en) * | 1983-08-01 | 1985-02-19 | Sioux Technology, Inc. | Locker shelf assembly |
US4583095A (en) * | 1983-08-22 | 1986-04-15 | Glen Peterson | Radar seismograph improvement |
US4793664A (en) | 1983-10-26 | 1988-12-27 | Charles Jackson | Cabinet structure and shelving apparatus therefor |
US4617518A (en) | 1983-11-21 | 1986-10-14 | Exxon Production Research Co. | Method and apparatus for offshore electromagnetic sounding utilizing wavelength effects to determine optimum source and detector positions |
GB8331546D0 (en) * | 1983-11-25 | 1984-01-04 | Exxon Research Engineering Co | Polymeric compositions |
US4616184A (en) | 1984-06-27 | 1986-10-07 | The United States Of America As Represented By The United States Department Of Energy | CSAMT method for determining depth and shape of a sub-surface conductive object |
US4835473A (en) * | 1984-07-31 | 1989-05-30 | Board Of Regents, The University Of Texas System | Method using a d.c. source for determining resistivity distribution of the earth as a function of depth |
JPS61107181A (ja) | 1984-10-31 | 1986-05-26 | Hitachi Ltd | 物体探査装置及び探査方法 |
US4652829A (en) * | 1984-12-28 | 1987-03-24 | Schlumberger Technology Corp. | Electromagnetic logging apparatus with button antennas for measuring the dielectric constant of formation surrounding a borehole |
AU608503B2 (en) | 1985-07-15 | 1991-04-11 | Chevron Research And Technology Company | Method of avoiding stuck drilling equipment |
FR2586302B1 (fr) | 1985-08-13 | 1988-02-12 | Commissariat Energie Atomique | Procede pour localiser un objet et determiner son orientation dans l'espace et dispositif de mise en oeuvre |
DE3529466A1 (de) | 1985-08-16 | 1987-04-09 | Pipeline Engineering Ges Fuer | Verfahren zur bestimmung der grenzen von unterirdischen erdgas-lagerstaetten |
US4686477A (en) | 1985-09-30 | 1987-08-11 | Mobil Oil Corporation | Multiple frequency electric excitation method and identifying complex lithologies of subsurface formations |
US4698791A (en) | 1986-06-17 | 1987-10-06 | Exxon Production Research Company | Acoustic well logging method for improved amplitude data acquisition |
FR2602410B1 (fr) | 1986-08-11 | 1989-03-10 | Secretariat Etat Premier Minis | Casier de rangement destine en particulier aux installations sportives, ensemble de casiers, rangee de casiers et vestiaire equipe de tels casiers |
GB8625365D0 (en) | 1986-10-23 | 1986-11-26 | Radiodetection Ltd | Positional information systems |
US5570024A (en) | 1986-11-04 | 1996-10-29 | Paramagnetic Logging, Inc. | Determining resistivity of a formation adjacent to a borehole having casing using multiple electrodes and with resistances being defined between the electrodes |
US5633590A (en) | 1986-11-04 | 1997-05-27 | Paramagnetic Logging, Inc. | Formation resistivity measurements from within a cased well used to quantitatively determine the amount of oil and gas present |
GB2197952A (en) | 1986-11-22 | 1988-06-02 | Marconi Co Ltd | Acoustic echo-sounding system |
US4835474A (en) * | 1986-11-24 | 1989-05-30 | Southwest Research Institute | Method and apparatus for detecting subsurface anomalies |
US4906575A (en) * | 1987-03-06 | 1990-03-06 | Chevron Research Company | Phosphate compound that is used in a microbial profile modification process |
US4971151A (en) | 1988-04-19 | 1990-11-20 | B.W.N. Live-Oil Pty. Ltd. | Recovery of oil from oil reservoirs |
AT395632B (de) | 1988-05-06 | 1993-02-25 | Keba Gmbh & Co | Schliessfachanlage mit mehreren schliessfaechern |
GB8815314D0 (en) | 1988-06-28 | 1988-08-03 | Radiodetection Ltd | Improvements relating to underground pipe & cable location |
US4986354A (en) * | 1988-09-14 | 1991-01-22 | Conoco Inc. | Composition and placement process for oil field chemicals |
GB8825435D0 (en) * | 1988-10-31 | 1988-12-29 | Cross T E | Detection of non metallic material |
US4965522A (en) | 1988-11-09 | 1990-10-23 | Schlumberger Technology Corporation | Multifrequency signal transmitter with attenuation of selected harmonies for an array induction well logging apparatus |
US5103920A (en) * | 1989-03-01 | 1992-04-14 | Patton Consulting Inc. | Surveying system and method for locating target subterranean bodies |
US4957172A (en) | 1989-03-01 | 1990-09-18 | Patton Consulting, Inc. | Surveying method for locating target subterranean bodies |
US5043667A (en) | 1989-04-21 | 1991-08-27 | Amoco Corporation | Method of magnetotelluric exploration using areal arrays |
AU625347B2 (en) * | 1989-05-08 | 1992-07-09 | Australian Institute Of Marine Science | Measurement of sediment level |
US4992995A (en) * | 1989-10-24 | 1991-02-12 | Amoco Corporation | Methods for attenuating noise in seismic data |
US4926394A (en) * | 1989-10-27 | 1990-05-15 | Western Atlas International, Inc. | Monte Carlo method for estimating lithology from seismic data |
US5066916A (en) | 1990-01-10 | 1991-11-19 | Halliburton Logging Services, Inc. | Technique for separating electromagnetic refracted signals from reflected signals in down hole electromagnetic tools |
US5185578A (en) * | 1990-01-17 | 1993-02-09 | Stolar, Inc. | Method for detecting anomalous geological zones by transmitting electromagnetic energy between spaced drillholes using different frequency ranges |
CA2024429A1 (en) | 1990-08-31 | 1992-03-01 | Vladimir M. Labuc | Borehole deviation monitor |
ES2026341A6 (es) | 1990-10-17 | 1992-04-16 | Martinez Alcala Jose Maria | Arma blanca. |
DK12291D0 (da) | 1991-01-24 | 1991-01-24 | Kurt I Soerensen | Maaleudstyr til elektrisk profilering af et terraen |
US5170440A (en) | 1991-01-30 | 1992-12-08 | Nec Research Institute, Inc. | Perceptual grouping by multiple hypothesis probabilistic data association |
US5877995A (en) | 1991-05-06 | 1999-03-02 | Exxon Production Research Company | Geophysical prospecting |
US5280284A (en) * | 1991-06-11 | 1994-01-18 | Johler J Ralph | Method of determining the electrical properties of the earth by processing electromagnetic signals propagated through the earth from a capacitor |
US5192952A (en) * | 1991-06-11 | 1993-03-09 | Johler J Ralph | Method and apparatus for transmitting electromagnetic signals into the earth from a capacitor |
US5230386A (en) | 1991-06-14 | 1993-07-27 | Baker Hughes Incorporated | Method for drilling directional wells |
USD361446S (en) | 1992-04-23 | 1995-08-22 | Mors | Locker |
USH1490H (en) * | 1992-09-28 | 1995-09-05 | Exxon Production Research Company | Marine geophysical prospecting system |
US6005916A (en) | 1992-10-14 | 1999-12-21 | Techniscan, Inc. | Apparatus and method for imaging with wavefields using inverse scattering techniques |
US5486764A (en) * | 1993-01-15 | 1996-01-23 | Exxon Production Research Company | Method for determining subsurface electrical resistance using electroseismic measurements |
USH1524H (en) * | 1993-01-15 | 1996-04-02 | Exxon Production Research Company | Method for using electromagnetic grounded antennas as directional geophones |
US5357253A (en) | 1993-04-02 | 1994-10-18 | Earth Sounding International | System and method for earth probing with deep subsurface penetration using low frequency electromagnetic signals |
US5369892A (en) | 1993-06-04 | 1994-12-06 | Dhaemers; Gregory L. | Armoire |
USD359403S (en) | 1993-07-07 | 1995-06-20 | Suncast Corporation | Baseball storage locker |
US5421646A (en) | 1993-07-12 | 1995-06-06 | Minnesota American, Inc. | Legless locker shelf assembly |
US5444619A (en) | 1993-09-27 | 1995-08-22 | Schlumberger Technology Corporation | System and method of predicting reservoir properties |
US5373443A (en) | 1993-10-06 | 1994-12-13 | The Regents, University Of California | Method for imaging with low frequency electromagnetic fields |
US6060885A (en) * | 1993-10-14 | 2000-05-09 | Western Atlas International, Inc. | Method and apparatus for determining the resistivity and conductivity of geological formations surrounding a borehole |
US5563513A (en) | 1993-12-09 | 1996-10-08 | Stratasearch Corp. | Electromagnetic imaging device and method for delineating anomalous resistivity patterns associated with oil and gas traps |
US5400030A (en) * | 1994-02-09 | 1995-03-21 | Exxon Production Research Company | Detection and mapping of hydrocarbon reservoirs with radar waves |
US5564806A (en) | 1994-02-10 | 1996-10-15 | Compression Polymers Group | Locker |
US5811973A (en) | 1994-03-14 | 1998-09-22 | Baker Hughes Incorporated | Determination of dielectric properties with propagation resistivity tools using both real and imaginary components of measurements |
US6060884A (en) * | 1994-03-14 | 2000-05-09 | Meyer, Jr.; Wallace Harold | Method and apparatus for measuring electromagnetic properties of materials in borehole environs and simultaneously determining the quality of the measurements |
US5892361A (en) * | 1994-03-14 | 1999-04-06 | Baker Hughes Incorporated | Use of raw amplitude and phase in propagation resistivity measurements to measure borehole environmental parameters |
USD362767S (en) | 1994-03-18 | 1995-10-03 | Angeles Group Inc. | Locker |
USD366577S (en) * | 1994-05-05 | 1996-01-30 | Suncast Corporation | Full size footall locker |
USD366376S (en) * | 1994-05-05 | 1996-01-23 | Suncast Corporation | Mid-size football locker |
NO314646B1 (no) | 1994-08-15 | 2003-04-22 | Western Atlas Int Inc | Transient-elektromagnetisk måleverktöy og fremgangsmåte for bruk i en brönn |
USH1561H (en) | 1994-09-22 | 1996-07-02 | Exxon Production Research Company | Method and apparatus for detection of seismic and electromagnetic waves |
US5581024A (en) | 1994-10-20 | 1996-12-03 | Baker Hughes Incorporated | Downhole depth correlation and computation apparatus and methods for combining multiple borehole measurements |
GB2296567A (en) | 1994-12-24 | 1996-07-03 | Geco As | Source signature determination and multiple reflection reduction |
FR2729222A1 (fr) | 1995-01-10 | 1996-07-12 | Commissariat Energie Atomique | Determination de la porosite et de la permeabilite d'une formation geologique a partir du phenomene d'electrofiltration |
US5905380A (en) * | 1995-05-08 | 1999-05-18 | Eaton Corporation | Electromagnetic wave, reflective type, low cost, active proximity sensor for harsh environments |
DE19518420C2 (de) | 1995-05-19 | 1998-01-02 | Diether Alfred Schroeder | Schaltungsanordnung zur Verwendung in einem geophysikalischen Prospektionsverfahren |
GB2301902A (en) | 1995-06-08 | 1996-12-18 | Baker Hughes Inc | Detecting boundaries between strata while drilling a borehole |
US5553407A (en) * | 1995-06-19 | 1996-09-10 | Vermeer Manufacturing Company | Excavator data acquisition and control system and method of use |
GB2304483B (en) | 1995-08-18 | 2000-03-29 | London Electricity Plc | System for and method of determining the location of an object in a medium |
US6023168A (en) * | 1995-08-21 | 2000-02-08 | Schlumberger Technology Corporation | Apparatus and method for measuring the resistivity of underground formations |
JP3354036B2 (ja) | 1995-08-22 | 2002-12-09 | 富士通株式会社 | 磁気テープ装置 |
GB2304895B (en) * | 1995-08-25 | 1999-05-19 | Geco Prakla | Method of and apparatus for controlling the quality of processed seismic data |
FR2738871B1 (fr) * | 1995-09-19 | 1997-11-14 | Elf Aquitaine | Procede pour realiser une representation des textures d'une structure geologique |
FR2738920B1 (fr) | 1995-09-19 | 1997-11-14 | Elf Aquitaine | Methode de reconnaissance automatique de facies sismiques |
US6061412A (en) * | 1995-10-05 | 2000-05-09 | Westinghouse Electric Company Llc | Nuclear reaction protection system |
GB9521171D0 (en) * | 1995-10-17 | 1995-12-20 | Millar John W A | Detection method |
US5724309A (en) * | 1996-03-06 | 1998-03-03 | Chevron U.S.A. Inc. | Method for geophysical processing and interpretation using instantaneous phase and its derivatives and their derivatives |
US5838634A (en) | 1996-04-04 | 1998-11-17 | Exxon Production Research Company | Method of generating 3-D geologic models incorporating geologic and geophysical constraints |
US5886526A (en) * | 1996-06-19 | 1999-03-23 | Schlumberger Technology Corporation | Apparatus and method for determining properties of anisotropic earth formations |
US5901795A (en) * | 1996-06-25 | 1999-05-11 | Exxon Production Research Company | Well collision avoidance |
US5770945A (en) | 1996-06-26 | 1998-06-23 | The Regents Of The University Of California | Seafloor magnetotelluric system and method for oil exploration |
US5777478A (en) | 1996-08-27 | 1998-07-07 | John R. Jackson | Passive geophysical prospecting apparatus and method based upon detection of discontinuities associated with extremely low frequency electromagnetic fields |
US5690401A (en) | 1996-09-24 | 1997-11-25 | Franklin; Randolph C. | Locker dresser |
US5825188A (en) | 1996-11-27 | 1998-10-20 | Montgomery; Jerry R. | Method of mapping and monitoring groundwater and subsurface aqueous systems |
US5905657A (en) * | 1996-12-19 | 1999-05-18 | Schlumberger Technology Corporation | Performing geoscience interpretation with simulated data |
US5946271A (en) | 1997-03-21 | 1999-08-31 | Western Atlas International, Inc. | Calibration system for use in time lapse tomography |
US5894450A (en) * | 1997-04-15 | 1999-04-13 | Massachusetts Institute Of Technology | Mobile underwater arrays |
US5841280A (en) | 1997-06-24 | 1998-11-24 | Western Atlas International, Inc. | Apparatus and method for combined acoustic and seismoelectric logging measurements |
GB9717409D0 (en) | 1997-08-15 | 1997-10-22 | Geco Prakla Uk Ltd | A method of processing seismic data |
US5996414A (en) | 1997-09-09 | 1999-12-07 | North American Geotechnical Company | Method of determining the length of a pile |
US6188222B1 (en) * | 1997-09-19 | 2001-02-13 | Schlumberger Technology Corporation | Method and apparatus for measuring resistivity of an earth formation |
US6026913A (en) * | 1997-09-30 | 2000-02-22 | Halliburton Energy Services, Inc. | Acoustic method of connecting boreholes for multi-lateral completion |
US6041018A (en) * | 1997-11-13 | 2000-03-21 | Colorado School Of Mines | Method for correcting amplitude and phase differences between time-lapse seismic surveys |
US5987388A (en) | 1997-12-26 | 1999-11-16 | Atlantic Richfield Company | Automated extraction of fault surfaces from 3-D seismic prospecting data |
GB9800741D0 (en) | 1998-01-15 | 1998-03-11 | Geco As | Multiple attenuation of multi-component sea-bottom data |
US6114972A (en) | 1998-01-20 | 2000-09-05 | Halliburton Energy Services, Inc. | Electromagnetic resistivity tool and method for use of same |
US6140819A (en) | 1998-05-26 | 2000-10-31 | Heath Consultants, Inc. | Continuous-depth-indicating underground pipe and cable locator |
NO315725B1 (no) | 1998-06-18 | 2003-10-13 | Norges Geotekniske Inst | Anordning for måling og overvåking av resistivitet utenfor et brönnrör i etpetroleumsreservoar |
US6236211B1 (en) * | 1998-06-18 | 2001-05-22 | The United States Of America As Represented By The United States Secretary Of The Interior | Induced polarization method using towed cable carrying transmitters and receivers for identifying minerals on the ocean floor |
US6236212B1 (en) * | 1998-06-22 | 2001-05-22 | The United States Of America As Represented By The Secretary Of The Interior | Induced polarization system using towed cable carrying transmitters and receivers for identifying minerals on the ocean floor |
US6188221B1 (en) * | 1998-08-07 | 2001-02-13 | Van De Kop Franz | Method and apparatus for transmitting electromagnetic waves and analyzing returns to locate underground fluid deposits |
GB9818875D0 (en) | 1998-08-28 | 1998-10-21 | Norske Stats Oljeselskap | Method and apparatus for determining the nature of subterranean reservoirs |
US6573855B1 (en) | 1998-08-31 | 2003-06-03 | Osaka Gas Co., Ltd. | Three-dimensional questing method, three-dimensional voxel data displaying method, and device therefor |
US6108605A (en) | 1998-12-16 | 2000-08-22 | Western Atlas International, Inc. | Low distortion digitally controlled transmitter for use in a well logging tool |
AU756936B2 (en) * | 1999-01-13 | 2003-01-30 | Kevin L. Alft | Automated bore planning method and apparatus for horizontal directional drilling |
US6163155A (en) | 1999-01-28 | 2000-12-19 | Dresser Industries, Inc. | Electromagnetic wave resistivity tool having a tilted antenna for determining the horizontal and vertical resistivities and relative dip angle in anisotropic earth formations |
US6184685B1 (en) * | 1999-02-22 | 2001-02-06 | Halliburton Energy Services, Inc. | Mulitiple spacing resistivity measurements with receiver arrays |
US6181138B1 (en) * | 1999-02-22 | 2001-01-30 | Halliburton Energy Services, Inc. | Directional resistivity measurements for azimuthal proximity detection of bed boundaries |
AU3622200A (en) * | 1999-03-12 | 2000-09-28 | Profile Technologies, Inc. | Dynamic electromagnetic methods for direct prospecting for oil |
US6424918B1 (en) | 1999-04-02 | 2002-07-23 | Conoco Inc. | Method for integrating gravity and magnetic inversion data with model based seismic data for oil, gas and mineral exploration and production |
FR2792419B1 (fr) | 1999-04-16 | 2001-09-07 | Inst Francais Du Petrole | Methode pour obtenir un modele optimal d'une caracteristique physique dans un milieu heterogene, tel que le sous-sol |
US7028806B2 (en) * | 1999-06-03 | 2006-04-18 | Baker Hughes Incorporated | Acoustic isolator for downhole applications |
US6615949B1 (en) * | 1999-06-03 | 2003-09-09 | Baker Hughes Incorporated | Acoustic isolator for downhole applications |
US6294917B1 (en) | 1999-09-13 | 2001-09-25 | Electromagnetic Instruments, Inc. | Electromagnetic induction method and apparatus for the measurement of the electrical resistivity of geologic formations surrounding boreholes cased with a conductive liner |
US6499817B2 (en) | 1999-09-27 | 2002-12-31 | American Locker Group Incorporated | Locker |
US6826483B1 (en) | 1999-10-13 | 2004-11-30 | The Trustees Of Columbia University In The City Of New York | Petroleum reservoir simulation and characterization system and method |
DE69932932D1 (de) | 1999-10-22 | 2006-10-05 | Jason Geosystems B V | Verfahren zur Bestimmung der elastischen Parameter und Felszusammensetzung von unterirdischen Formationen mit Hilfe von seismischen Daten |
GB2357097A (en) | 1999-12-08 | 2001-06-13 | Norske Stats Oljeselskap | Method of assessing positional uncertainty in drilling a well |
GB0002422D0 (en) * | 2000-02-02 | 2000-03-22 | Norske Stats Oljeselskap | Method and apparatus for determining the nature of subterranean reservoirs |
GB2364390B (en) * | 2000-07-03 | 2004-11-17 | Yousri Mohammad Tah Haj-Yousef | A method and device for detecting and monitoring concealed bodies and objects |
GB0018480D0 (en) | 2000-07-27 | 2000-09-13 | Geco Prakla Uk Ltd | A method of processing surface seismic data |
US6415231B1 (en) | 2000-08-14 | 2002-07-02 | Joel J. Hebert | Method and apparatus for planning and performing a pressure survey |
WO2002014906A1 (en) * | 2000-08-14 | 2002-02-21 | Statoil Asa | Method and apparatus for determining the nature of subterranean reservoirs |
AUPQ975100A0 (en) * | 2000-08-29 | 2000-09-21 | Siemensindustrial Services Ltd | Re-locatable partial discharge transducer head |
US6700526B2 (en) * | 2000-09-08 | 2004-03-02 | Witten Technologies Inc. | Method and apparatus for identifying buried objects using ground penetrating radar |
US6950786B1 (en) | 2000-10-10 | 2005-09-27 | Schlumberger Technology Corporation | Method and apparatus for generating a cross plot in attribute space from a plurality of attribute data sets and generating a class data set from the cross plot |
US20050035696A1 (en) * | 2001-01-02 | 2005-02-17 | Snap-On Incorporated | Suspendable Locker |
JP3696512B2 (ja) | 2001-02-13 | 2005-09-21 | シャープ株式会社 | 表示素子駆動装置およびそれを用いた表示装置 |
CN1311773C (zh) * | 2001-03-23 | 2007-04-25 | 图托埃斯布莱束股份公司 | 一种用可溶产品制备饮料的组合装置及制备饮料的方法 |
US6450599B1 (en) | 2001-03-30 | 2002-09-17 | Betty J. Mamuyac | Locker apparatus |
US6876326B2 (en) | 2001-04-23 | 2005-04-05 | Itt Manufacturing Enterprises, Inc. | Method and apparatus for high-accuracy position location using search mode ranging techniques |
FR2824147B1 (fr) | 2001-04-27 | 2004-03-19 | Inst Francais Du Petrole | Methode pour faciliter le suivi au cours du temps de l'evolution d'une zone souterraine par analyse comparee de differents jeux d'enregistrements sismiques |
FR2824148B1 (fr) | 2001-04-30 | 2003-09-12 | Inst Francais Du Petrole | Methode pour faciliter le suivi au cours du temps de l'evolution d'etats physiques dans une formation souterraine |
GB2383133A (en) * | 2001-08-07 | 2003-06-18 | Statoil Asa | Investigation of subterranean reservoirs |
GB2413188B (en) | 2001-08-07 | 2006-01-11 | Electromagnetic Geoservices As | Method and apparatus for determining the nature of subterranean reservoirs |
US6867866B1 (en) * | 2001-08-10 | 2005-03-15 | Therma-Wave, Inc. | CD metrology analysis using green's function |
US7769572B2 (en) * | 2001-09-07 | 2010-08-03 | Exxonmobil Upstream Research Co. | Method of imaging subsurface formations using a virtual source array |
GB0125713D0 (en) | 2001-10-26 | 2001-12-19 | Statoil Asa | Method of combining spatial models |
GB2382875B (en) * | 2001-12-07 | 2004-03-03 | Univ Southampton | Electromagnetic surveying for hydrocarbon reservoirs |
GB2384068B (en) | 2002-01-11 | 2005-04-13 | Westerngeco Ltd | A method of and apparatus for processing seismic data |
US6889449B2 (en) * | 2002-05-07 | 2005-05-10 | Steve Silver | Sanitizing cabinet for sports equipment |
GB2385923B (en) * | 2002-05-24 | 2004-07-28 | Statoil Asa | System and method for electromagnetic wavefield resolution |
CN100395562C (zh) | 2002-06-11 | 2008-06-18 | 加利福尼亚大学董事会 | 采用垂直电场测量的海底地质勘测方法及系统 |
US6842006B2 (en) * | 2002-06-27 | 2005-01-11 | Schlumberger Technology Corporation | Marine electromagnetic measurement system |
GB2390904B (en) | 2002-07-16 | 2004-12-15 | Univ Southampton | Electromagnetic surveying for hydrocarbon reservoirs |
US20040017137A1 (en) * | 2002-07-29 | 2004-01-29 | Straub Andrew D. | Locker display case |
US6686726B1 (en) | 2002-08-08 | 2004-02-03 | Innoveta Technologies, Inc. | Tracking or independent output voltage adjustment for multiple output supplies |
US6777940B2 (en) * | 2002-11-08 | 2004-08-17 | Ultima Labs, Inc. | Apparatus and method for resistivity well logging |
GB2395563B (en) | 2002-11-25 | 2004-12-01 | Activeem Ltd | Electromagnetic surveying for hydrocarbon reservoirs |
WO2004053528A1 (en) * | 2002-12-10 | 2004-06-24 | The Regents Of The University Of California | System and method for hydrocarbon reservoir monitoring using controlled-source electromagnetic fields |
GB2399640B (en) | 2003-03-17 | 2007-02-21 | Statoil Asa | Method and apparatus for determining the nature of submarine reservoirs |
US7072767B2 (en) | 2003-04-01 | 2006-07-04 | Conocophillips Company | Simultaneous inversion for source wavelet and AVO parameters from prestack seismic data |
US7095357B1 (en) | 2003-05-14 | 2006-08-22 | Joseph Ralph Johler | Method and apparatus for transmitting electromagnetic signals into the earth at frequencies below 500 KHz from a capacitor emplaced on the surface of the earth or raised aloft in an aircraft |
NO326506B1 (no) | 2003-07-10 | 2008-12-15 | Norsk Hydro As | Et maringeofysisk innsamlingssystem med en kabel med seismiske kilder og mottakere og elektromagnteiske kilder og mottakere |
US7123543B2 (en) | 2003-07-16 | 2006-10-17 | Pgs Americas, Inc. | Method for seismic exploration utilizing motion sensor and pressure sensor data |
GB2404444B (en) | 2003-07-28 | 2006-11-29 | Statoil Asa | Transmitter antena |
US6971728B2 (en) * | 2003-08-18 | 2005-12-06 | Ritter Tsai | Combinative locker |
US7042802B2 (en) * | 2003-09-18 | 2006-05-09 | Schlumberger Technology Corporation | Determination of stress characteristics of earth formations |
GB2409900B (en) | 2004-01-09 | 2006-05-24 | Statoil Asa | Processing seismic data representing a physical system |
GB2411006B (en) | 2004-02-16 | 2006-01-25 | Ohm Ltd | Electromagnetic surveying for hydrocarbon reservoirs |
GB2412741B (en) * | 2004-04-03 | 2009-02-25 | Statoil Asa | Electromagnetic data processing |
GB2412739B (en) * | 2004-04-03 | 2008-08-06 | Statoil Asa | Electromagnetic wavefield analysis |
GB2412740B (en) | 2004-04-03 | 2008-09-17 | Statoil Asa | Calibration filters |
GB2415511B (en) | 2004-06-26 | 2008-09-24 | Statoil Asa | Processing electromagnetic data |
US7140434B2 (en) * | 2004-07-08 | 2006-11-28 | Schlumberger Technology Corporation | Sensor system |
JP2006145360A (ja) | 2004-11-19 | 2006-06-08 | Radioactive Waste Management Funding & Research Center | 単独型地下探査装置、ケーブル型地下探査装置および海底地下探査方法 |
GB2420855B (en) * | 2004-12-02 | 2009-08-26 | Electromagnetic Geoservices As | Source for electromagnetic surveying |
NO323490B1 (no) | 2005-01-10 | 2007-05-29 | Norsk Hydro As | Elektromagnetisk hydrokarbonprospektering i grunne havomrader |
GB2422673B (en) | 2005-02-01 | 2010-03-24 | Electromagnetic Geoservices As | Optimum signal for sea bed logging |
WO2007001759A2 (en) | 2005-06-24 | 2007-01-04 | Exxonmobil Upstream Research Company | Method for obtaining porosity and shale volume from seismic data |
US7106065B1 (en) | 2005-11-01 | 2006-09-12 | Seismic Science, Inc. | Method of geologic exploration for subsurface deposits |
US7884612B2 (en) | 2005-12-22 | 2011-02-08 | Westerngeco L.L.C. | Multi-component field sources for subsea exploration |
US7471089B2 (en) | 2006-04-24 | 2008-12-30 | Schlumberger Technology Corporation | Electrode array for marine electric and magnetic field measurements having first and second sets of electrodes connected to respective first and second cables |
NO327007B1 (no) * | 2006-05-24 | 2009-04-06 | Norsk Hydro As | Fremgangsmate for elektromagnetisk geofysisk kartlegging av undersjoiske bergartsformasjoner |
US7340348B2 (en) | 2006-06-15 | 2008-03-04 | Kjt Enterprises, Inc. | Method for acquiring and interpreting seismoelectric and electroseismic data |
GB2441786A (en) * | 2006-09-15 | 2008-03-19 | Electromagnetic Geoservices As | Combined electromagnetic and seismic surveying |
GB2442749B (en) * | 2006-10-12 | 2010-05-19 | Electromagnetic Geoservices As | Positioning system |
US20080169817A1 (en) | 2006-11-01 | 2008-07-17 | Schlumberger Technology Corporation | Determining an Electric Field Based on Measurement from a Magnetic Field Sensor for Surveying a Subterranean Structure |
GB2445582A (en) * | 2007-01-09 | 2008-07-16 | Statoil Asa | Method for analysing data from an electromagnetic survey |
US7636275B2 (en) | 2007-02-06 | 2009-12-22 | Conocophillips Company | Direct time lapse inversion of seismic data |
US20090195251A1 (en) * | 2007-11-05 | 2009-08-06 | Darnet Mathieu | Apparatus, system and method for receiving a vertical component of a signal and for determining a resistivity of a region below a geologic surface for hydrocarbon exploration |
US20090265111A1 (en) | 2008-04-16 | 2009-10-22 | Kjt Enterprises, Inc. | Signal processing method for marine electromagnetic signals |
-
2006
- 2006-02-09 GB GB0602656A patent/GB2435693A/en not_active Withdrawn
-
2007
- 2007-02-09 US US12/278,933 patent/US8188748B2/en not_active Expired - Fee Related
- 2007-02-09 EP EP07712693A patent/EP1982216A2/en not_active Withdrawn
- 2007-02-09 WO PCT/GB2007/000459 patent/WO2007091086A2/en active Application Filing
- 2007-02-09 AU AU2007213522A patent/AU2007213522A1/en not_active Abandoned
- 2007-02-09 CA CA002641813A patent/CA2641813A1/en not_active Abandoned
- 2007-02-09 RU RU2008136183/28A patent/RU2008136183A/ru not_active Application Discontinuation
- 2007-02-09 CN CNA2007800049730A patent/CN101379414A/zh active Pending
-
2008
- 2008-07-15 DK DK200801000A patent/DK200801000A/da not_active Application Discontinuation
- 2008-09-08 NO NO20083824A patent/NO20083824L/no not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
WO2007091086A2 (en) | 2007-08-16 |
CA2641813A1 (en) | 2007-08-16 |
EP1982216A2 (en) | 2008-10-22 |
NO20083824L (no) | 2008-09-08 |
US20100052688A1 (en) | 2010-03-04 |
WO2007091086A3 (en) | 2008-06-19 |
GB0602656D0 (en) | 2006-03-22 |
GB2435693A (en) | 2007-09-05 |
US8188748B2 (en) | 2012-05-29 |
AU2007213522A1 (en) | 2007-08-16 |
RU2008136183A (ru) | 2010-03-20 |
CN101379414A (zh) | 2009-03-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DK200801000A (da) | Electromagnetic surveying | |
JP4996615B2 (ja) | 炭化水素貯留層マッピング方法およびその方法実施のための装置 | |
DK200701422A (da) | Svejsning af ptfe-dele | |
NO20121244A1 (no) | Dielektrisk spektroskopi for nedihullsfluidanalyse under formasjonstesting | |
DK200701036A (da) | Shallow marine electromagnetic hydrocarbon prospecting | |
GB2468734A (en) | Em-guided drilling relative to an existing borehole | |
NO20100614L (no) | Fremgangsmåte og apparat for avbildning av grenser på bunnen med resistivitetsmålinger | |
NO20171876A1 (en) | Electromagnetic monitoring with formation-matched resonant induction sensors | |
RU2013101597A (ru) | Утонченное определение ориентации проводящего пласта за счет выполнения коррекции ошибки зонда в стволе скважины | |
CA2383879C (en) | Interferometric processing method to identify bed boundaries | |
BR112013005126A2 (pt) | método de ressonância para medir a constante eletroacústica e a permeabilidade de formações rochosas | |
NO344652B1 (no) | Anordning og fremgangsmåte for borehullslogging for å bestemme undergrunnens elektriske resistivitetsegenskaper | |
Colombo et al. | Surface to borehole CSEM for waterflood monitoring in Saudi Arabia: Data analysis | |
CN105044782B (zh) | 一种海洋地下介质总有机碳含量的获取方法 | |
ITMI20110228A1 (it) | Sistema di rilevamento di formazioni geologiche | |
GB2529767A (en) | Ranging measurements using modulated signals | |
NO20110651A1 (no) | Fremgangsmate for okt elektromagnetisk folsomhet under en overflate | |
NO20110278A1 (no) | Prosessering av asimutale resistivitetsdata i en resistivitetsgradient | |
US20140136114A1 (en) | Apparatus and Method for Formation Resistivity Measurements | |
US11215051B2 (en) | Intelligent in-well steam monitoring using fiber optics | |
US20210048552A1 (en) | Multi-well fiber optic electromagnetic systems | |
CN107035364B (zh) | 一种井间电磁刻度方法 | |
RU2724177C1 (ru) | Способ диэлектрического каротажа околоскважинного пространства | |
GB2472535A (en) | Noise in a first communication channel is estimated and compensated for using noise measurements in adjacent channels | |
US20140136113A1 (en) | Apparatus and Method for Formation Dielectric Constant and Resistivity Measurements |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AHS | Application shelved for other reasons than non-payment |