FR2540996B1 - Procede et moyen d'enregistrement par induction interferometrique a haute frequence - Google Patents
Procede et moyen d'enregistrement par induction interferometrique a haute frequenceInfo
- Publication number
- FR2540996B1 FR2540996B1 FR8402146A FR8402146A FR2540996B1 FR 2540996 B1 FR2540996 B1 FR 2540996B1 FR 8402146 A FR8402146 A FR 8402146A FR 8402146 A FR8402146 A FR 8402146A FR 2540996 B1 FR2540996 B1 FR 2540996B1
- Authority
- FR
- France
- Prior art keywords
- high frequency
- recording method
- induction recording
- frequency interferometric
- interferometric
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
Links
- 230000006698 induction Effects 0.000 title 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
- G01V3/18—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging
- G01V3/26—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging operating with magnetic or electric fields produced or modified either by the surrounding earth formation or by the detecting device
- G01V3/28—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging operating with magnetic or electric fields produced or modified either by the surrounding earth formation or by the detecting device using induction coils
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Life Sciences & Earth Sciences (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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/465,946 US4529938A (en) | 1983-02-14 | 1983-02-14 | High frequency induction method for locating the interface between formations having the same resistivity |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2540996A1 FR2540996A1 (fr) | 1984-08-17 |
FR2540996B1 true FR2540996B1 (fr) | 1987-12-24 |
Family
ID=23849814
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8402146A Expired FR2540996B1 (fr) | 1983-02-14 | 1984-02-13 | Procede et moyen d'enregistrement par induction interferometrique a haute frequence |
Country Status (5)
Country | Link |
---|---|
US (1) | US4529938A (fr) |
JP (1) | JPS59157585A (fr) |
CA (1) | CA1212721A (fr) |
FR (1) | FR2540996B1 (fr) |
GB (1) | GB2135461B (fr) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4739272A (en) * | 1984-05-31 | 1988-04-19 | Schlumberger Technology Corporation | Apparatus for microinductive investigation of earth formations with improved electroquasistatic shielding |
US4873488A (en) * | 1985-04-03 | 1989-10-10 | Schlumberger Technology Corporation | Induction logging sonde with metallic support having a coaxial insulating sleeve member |
US4766384A (en) * | 1986-06-20 | 1988-08-23 | Schlumberger Technology Corp. | Well logging apparatus for determining dip, azimuth, and invaded zone conductivity |
US4857852A (en) * | 1986-06-20 | 1989-08-15 | Schlumberger Technology Corp. | Induction well logging apparatus with transformer coupled phase sensitive detector |
US4831331A (en) * | 1987-04-10 | 1989-05-16 | Chevron Research Company | Method and apparatus for interface location determination |
US5157605A (en) * | 1987-04-27 | 1992-10-20 | Schlumberger Technology Corporation | Induction logging method and apparatus including means for combining on-phase and quadrature components of signals received at varying frequencies and including use of multiple receiver means associated with a single transmitter |
US4837517A (en) * | 1987-07-16 | 1989-06-06 | Schlumberger Technology Corporation | Spatial frequency method and apparatus for investigating earth conductivity with high vertical resolution by induction techniques |
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 |
GB2288027B (en) * | 1994-03-31 | 1998-02-04 | Western Atlas Int Inc | Well logging tool |
US6216090B1 (en) * | 1999-09-10 | 2001-04-10 | Halliburton Energy Services, Inc. | Interferometric processing method to identify bed boundaries |
PE20090329A1 (es) * | 2007-05-30 | 2009-03-27 | Abbott Lab | Anticuerpos humanizados contra el globulomero ab(20-42) y sus usos |
US20110166842A1 (en) * | 2008-05-27 | 2011-07-07 | Erik Jan Banning-Geertsma | Layer stripping method |
US9482776B2 (en) * | 2013-02-07 | 2016-11-01 | Aramco Services Company | Interferometric processing to detect subterranean geological boundaries |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2220788A (en) * | 1935-06-24 | 1940-11-05 | Schlumberger Well Surv Corp | Method and apparatus for investigating subterranean strata by means of electromagnetic measurements |
US2220070A (en) * | 1936-03-24 | 1940-11-05 | Schlumberger Well Surv Corp | Method of and apparatus for magnetically exploring earth strata |
US2264318A (en) * | 1938-04-08 | 1941-12-02 | Frederick W Lee | Geophysical surveying |
GB678901A (en) * | 1951-05-25 | 1952-09-10 | Schlumberger Well Surv Corp | Improvements in or relating to electromagnetic well logging systems |
GB747889A (en) * | 1953-03-02 | 1956-04-18 | Schlumberger Well Surv Corp | Improvements in or relating to induction logging apparatus |
FR1310728A (fr) * | 1961-10-20 | 1962-11-30 | Schlumberger Prospection | Perfectionnements aux appareils d'exploration utilisés dans les sondages |
US3249858A (en) * | 1962-10-11 | 1966-05-03 | Schlumberger Prospection | Borehole investigating apparatus of the induction logging type having a slotted metal support member with coil means mounted thereon |
US4107598A (en) * | 1976-02-02 | 1978-08-15 | Texaco Inc. | Electromagnetic wave logging system for determining resistivity and dielectric constant of earth formations |
SU798671A1 (ru) * | 1977-04-21 | 1981-01-23 | Всесоюзный Научно-Исследова-Тельский Институт Нефтепромысло-Вой Геофизики | Способ электромагнитного каро-ТАжА СКВАжиН |
US4278941A (en) * | 1978-10-30 | 1981-07-14 | Shell Oil Company | High frequency induction log for determining resistivity and dielectric constant of the earth |
IN155412B (fr) * | 1980-07-24 | 1985-01-26 | Schlumberger Ltd | |
US4427941A (en) * | 1981-08-13 | 1984-01-24 | Texaco Inc. | Temperature compensated well logging tool |
-
1983
- 1983-02-14 US US06/465,946 patent/US4529938A/en not_active Expired - Lifetime
-
1984
- 1984-01-12 CA CA000445198A patent/CA1212721A/fr not_active Expired
- 1984-02-13 FR FR8402146A patent/FR2540996B1/fr not_active Expired
- 1984-02-13 GB GB08403727A patent/GB2135461B/en not_active Expired
- 1984-02-13 JP JP59024926A patent/JPS59157585A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
GB2135461A (en) | 1984-08-30 |
JPH0339595B2 (fr) | 1991-06-14 |
FR2540996A1 (fr) | 1984-08-17 |
GB8403727D0 (en) | 1984-03-14 |
JPS59157585A (ja) | 1984-09-06 |
US4529938A (en) | 1985-07-16 |
GB2135461B (en) | 1986-10-22 |
CA1212721A (fr) | 1986-10-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2646741B1 (fr) | Echantillonneur-bloqueur a haute frequence d'echantillonnage | |
FR2566706B1 (fr) | Support et procede d'enregistrement | |
FR2454603B1 (fr) | Procede et dispositif pour enregistrer une topographie | |
FR2540996B1 (fr) | Procede et moyen d'enregistrement par induction interferometrique a haute frequence | |
FR2521314B1 (fr) | Procede de matage d'un materiau d'enregistrement | |
FR2547929B1 (fr) | Procede de balayage et d'enregistrement de figures | |
FR2619897B1 (fr) | Procede pour le refroidissement d'un four rotatif | |
FR2538656B1 (fr) | Procede et circuit d'asservissement en frequence et en phase d'un oscillateur local en television | |
FR2633058B1 (fr) | Procede pour produire et enregistrer des vibrations aleatoires non impulsionnelles pour l'exploration sismique | |
IT8449363A0 (it) | Testa magnetica trasduttrice e metodo per la sua produzione | |
IT8323089A0 (it) | Apparecchio e metodo per controllare il profilo dell'umidita' trasversalmente alla macchina di un nastro di carta in movimento. | |
BE854454A (fr) | Procede et appareillage de placement de tringles sur une carcasse d'un pneumatique | |
FR2590400B1 (fr) | Transformateur d'intensite haute frequence a air | |
BR8604166A (pt) | Metodo e aparelho de gravacao magnetica vertical de retorno a zero | |
EP0307125A3 (en) | Apparatus and method for tracking a web | |
FR2618812B1 (fr) | Support d'impression-ecriture anticopie et procede associe | |
BE862673A (fr) | Porteur d'enregistrement magnetique et procede pour le preparer | |
DE3872406D1 (de) | Herstellungsverfahren eines magnetkopfes. | |
FR2624323B1 (fr) | Dispositif pour asservir un signal, en frequence et en phase, a celle d'un signal impose | |
NO174269C (no) | Fremgangsmåte og anordning for å redusere virkningene av vibrasjonsmessige forstyrrelser på frekvensstabiliteten for en laser | |
DE2966221D1 (en) | Method for producing a magnetic recording medium and magnetic recording medium so produced | |
FR2549639B1 (fr) | Bobines modifiees de deviation et procede de formation | |
FR2573993B1 (fr) | Procede pour ameliorer le fonctionnement d'un filtre a disques et filtre a disques mettant en oeuvre ce procede | |
FR2604819B1 (fr) | Echantillonneur-bloqueur a haute frequence d'echantillonnage | |
KR890013611A (ko) | 수직자기기록매체의 제조방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse | ||
RC | Opposition against decision of lapse | ||
DA | Annulment of decision of lapse | ||
ST | Notification of lapse |