BR112012026103A2 - medidas atuais melhoradas para formação de imagens elétricas galvânicas de lama baseada em água e ferramentas laterolog - Google Patents

medidas atuais melhoradas para formação de imagens elétricas galvânicas de lama baseada em água e ferramentas laterolog

Info

Publication number
BR112012026103A2
BR112012026103A2 BR112012026103A BR112012026103A BR112012026103A2 BR 112012026103 A2 BR112012026103 A2 BR 112012026103A2 BR 112012026103 A BR112012026103 A BR 112012026103A BR 112012026103 A BR112012026103 A BR 112012026103A BR 112012026103 A2 BR112012026103 A2 BR 112012026103A2
Authority
BR
Brazil
Prior art keywords
differential amplifier
electrode
water
current measurements
improved current
Prior art date
Application number
BR112012026103A
Other languages
English (en)
Inventor
Martin Folberth
Original Assignee
Baker Hughes Inc
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 Baker Hughes Inc filed Critical Baker Hughes Inc
Publication of BR112012026103A2 publication Critical patent/BR112012026103A2/pt

Links

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
    • G01V3/20—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging operating with propagation of electric current
    • G01V3/24—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging operating with propagation of electric current using ac
    • 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

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Geophysics And Detection Of Objects (AREA)

Abstract

medidas atuais melhoradas para formação de imagens elétricas galvânicas de lama baseada em água e ferramentas laterolog. um aparelho e método para estimar a propriedade de resistividade de uma formação de solo envolvendo corrente elétrica injetada na parede de um fundo de poço. o aparelho inclui um primeiro eletrodo, um segundo eletrodo, e um amplificador diferencial. o primeiro eletrodo pode ser configurado para conferir uma corrente elétrica em uma parede de fundo do poço e ser diretamente conectado a uma primeira entrada do amplificador diferencial. o segundo eletrodo pode ser diretamente conectado a uma segunda entrada do amplificador diferencial. o método pode também incluir um circuito de soma conectado à saída do amplificador diferencial. o método inclui estimar uma propriedade de resistividade usando a saída do amplificador diferencial ou o circuito de soma.
BR112012026103A 2010-04-12 2011-04-06 medidas atuais melhoradas para formação de imagens elétricas galvânicas de lama baseada em água e ferramentas laterolog BR112012026103A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US32312210P 2010-04-12 2010-04-12
US13/080,242 US20110248716A1 (en) 2010-04-12 2011-04-05 Current measurement for water-based mud galvanic electrical imaging and laterolog tools
PCT/US2011/031416 WO2011130080A2 (en) 2010-04-12 2011-04-06 Improved current measurement for water-based mud galvanic electrical imaging and laterlog tools

Publications (1)

Publication Number Publication Date
BR112012026103A2 true BR112012026103A2 (pt) 2016-06-28

Family

ID=44760466

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112012026103A BR112012026103A2 (pt) 2010-04-12 2011-04-06 medidas atuais melhoradas para formação de imagens elétricas galvânicas de lama baseada em água e ferramentas laterolog

Country Status (5)

Country Link
US (1) US20110248716A1 (pt)
BR (1) BR112012026103A2 (pt)
GB (1) GB2492020A (pt)
NO (1) NO20121198A1 (pt)
WO (1) WO2011130080A2 (pt)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014089505A1 (en) * 2012-12-07 2014-06-12 Halliburton Energy Services Inc. Gradient-based single well sagd ranging system
US10317562B2 (en) 2014-01-22 2019-06-11 Halliburton Energy Services, Inc. Cross-coupling compensation via complex-plane based extrapolation of frequency dependent measurements
WO2015142352A1 (en) 2014-03-21 2015-09-24 Halliburton Energy Services, Inc. Electromagnetic formation evaluation tool apparatus and method
CN105840174B (zh) * 2015-01-15 2021-02-26 中国石油集团长城钻探工程有限公司 侧向测井仪中的差和电路
GB2553982A (en) * 2015-06-05 2018-03-21 Halliburton Energy Services Inc Sensor system for downhole galvanic measurements
US9746574B2 (en) 2016-01-21 2017-08-29 Baker Hughes Incorporated Resistivity imager for conductive and non-conductive mud
CN109505592B (zh) * 2017-09-14 2021-10-12 中国石油化工股份有限公司 高增益随钻电阻率信号接收装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SG50594A1 (en) * 1993-06-10 1998-07-20 Shell Int Research Electrical logging system
FR2740170B1 (fr) * 1995-10-20 1998-01-02 Schlumberger Services Petrol Procedes et dispositifs de mesure de la resistivite de la boue dans un puits d'hydrocarbure
FR2740168B1 (fr) * 1995-10-20 1998-01-02 Schlumberger Services Petrol Procede et dispositif de mesure de caracteristiques geometriques d'un puits, notamment d'un puits d'hydrocarbure
FR2793031B1 (fr) * 1999-04-28 2001-06-29 Schlumberger Services Petrol Procede et appareil pour determiner la resistivite d'une formation traversee par un puits tube
US6633164B2 (en) * 2000-01-24 2003-10-14 Shell Oil Company Measuring focused through-casing resistivity using induction chokes and also using well casing as the formation contact electrodes
GB2379508B (en) * 2001-04-23 2005-06-08 Computalog Usa Inc Electrical measurement apparatus and method
AR037955A1 (es) * 2001-12-20 2004-12-22 Halliburton Energy Serv Inc Sistema y metodo para medir la resistividad a traves de la envoltura
EP1946152B1 (en) * 2005-11-10 2014-03-12 Halliburton Energy Services, Inc. Displaced electrode amplifier
US8014963B2 (en) * 2007-01-16 2011-09-06 Baker Hughes Incorporated Correction of sensor non-equipotentiality in a resistivity imaging device

Also Published As

Publication number Publication date
WO2011130080A3 (en) 2012-01-19
WO2011130080A2 (en) 2011-10-20
GB201218073D0 (en) 2012-11-21
GB2492020A (en) 2012-12-19
US20110248716A1 (en) 2011-10-13
NO20121198A1 (no) 2012-11-08

Similar Documents

Publication Publication Date Title
BR112012026103A2 (pt) medidas atuais melhoradas para formação de imagens elétricas galvânicas de lama baseada em água e ferramentas laterolog
GB2441260A (en) Permittivity measurements with oil-based mud imaging tool
MX2013005458A (es) Herramientas de diagrafia lateral de varias disposiciones y metodos con mediciones de voltaje diferencial.
MX355600B (es) Sistema y metodo de enfoque de un lateroperfil de arreglo.
MX2015017038A (es) Tecnicas de herramienta de lateroperfil de serie mejoradas.
GB2466591A (en) Apparatus and method for azimuthal MWD resistivity imaging at multiple depths of investigation
MX2015005147A (es) Fluidos de pozo electricamente conductores y metodos de uso.
EA200800335A1 (ru) Способ электрического каротажа обсаженных скважин
BR112012009092A2 (pt) ferramenta de microrresistividade de perfilagem durante a perfuração, e método para perfilagem por microrresistividade durante a perfuraçao em um poço subterrâneo
WO2011035301A3 (en) System and method for measuring consumption in a residential or commercial building via a wall socket
MX2012007685A (es) Herramienta de registro de anisotropia de microresistividad que emplea un electrodo monopolo de inyeccion de corriente.
GB2489154A (en) Apparatus and method for pulsed neutron measurement
GB2497499A (en) Improved pad device for resistivity imaging in the wells with oil based drilling fluid
MX369063B (es) Supresion o eliminacion de diafonia para mediciones galvanicas.
WO2008036585A3 (en) Method and apparatus for combined induction and imaging well logging
GB2498502A (en) Imaging in oil-based mud by synchronizing phases of currents injected into a formation
GB2493655A (en) Oil-based mud imager with a line source
Aziz et al. Efficacy of electrical resistivity imaging technique in mapping bedrock in some regions of south Iraq
RU2615404C1 (ru) Способ электрического каротажа в скважинах, обсаженных металлической колонной
Kiese et al. Influence of bedrock topography on the runoff generation under use of ERT data
Rozos et al. Estimation of the hydraulic parameters of a confined geologic formation from slug test in fully penetrating well using a complete quasi-steady flow model in a forward and in an inverse optimal estimation procedure
Henine et al. Robust spatialization of soil water content at the scale of an agricultural field using geophysical and geostatistical methods
Doro et al. Monitoring High Velocity Salt Tracer via 4D Electrical Resistivity Tomography-Possibility for Salt Tracer Tomography
Van Bockstal Determination of an unknown diffusion coefficient in a parabolic problem
Noell et al. Observation of flow processes in the vadose zone using ERT on different space and time scales: results, obstacles, and suggestions

Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE AS 4A E 5A ANUIDADES.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2384 DE 13-09-2016 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.