CO5241371A1 - Evaluacion de formacion utilizando mediciones de sondeo de resonancia magnetica - Google Patents
Evaluacion de formacion utilizando mediciones de sondeo de resonancia magneticaInfo
- Publication number
- CO5241371A1 CO5241371A1 CO99072804A CO99072804A CO5241371A1 CO 5241371 A1 CO5241371 A1 CO 5241371A1 CO 99072804 A CO99072804 A CO 99072804A CO 99072804 A CO99072804 A CO 99072804A CO 5241371 A1 CO5241371 A1 CO 5241371A1
- Authority
- CO
- Colombia
- Prior art keywords
- model
- components
- generation
- natural oil
- probing device
- Prior art date
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
- G01V3/32—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging operating with electron or nuclear magnetic resonance
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N24/00—Investigating or analyzing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects
- G01N24/08—Investigating or analyzing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects by using nuclear magnetic resonance
- G01N24/081—Making measurements of geologic samples, e.g. measurements of moisture, pH, porosity, permeability, tortuosity or viscosity
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
- G01R33/46—NMR spectroscopy
- G01R33/4625—Processing of acquired signals, e.g. elimination of phase errors, baseline fitting, chemometric analysis
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- 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)
- High Energy & Nuclear Physics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics (AREA)
- Remote Sensing (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Geophysics And Detection Of Objects (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Abstract
Un método para la determinación de las propiedades de las formaciones terrestres que circundan un agujero de perforación, que comprende las etapas de:(a) la provisión de un dispositivo de sondeo que es movible a través del agujero de perforación;(b) la transmisión de energía electromagnética desde dichodispositivo de sondeo hacia las formaciones, y la recepción de los ecos del espín de resonancia magnética nuclear en dicho dispositivo de sondeo;(c) la realización de la etapa (b) una pluralidad de veces, con una respectiva pluralidad de diferentes condiciones de transmisión y/o recepción con el fin de obtener una pluralidad de mediciones;(d) la generación de un modelo de formación que incluye una pluralidad de componentes de modelo para una fase de salmuera y una pluralidad de componentes de modelo para una fase de petróleo natural;(e) la modificación de los componentes de modelo para optimizar el modelo con respecto a las señales de la medición; y(f) la producción de los componentes de modelo del modelo optimizado. El método conforme se define en la Reivindicación 1,caracterizado porque dicha etapa de modificación de los componentes de modelo comprende modificar de manera iterativa dichos componentes de modelo para la fase de salmuera y los componentes de modelo para la fase de petróleo natural con el fin de optimizar la correspondencia entre las señales de modelo derivadas del modelo y dichas señales de medición.<EMI FILE="99072804_1" ID="1" IMF=JPEG > - 2 -El método conforme se define en la Reivindicación 1 ó 2, caracterizado porque dicha etapa de generación de un modelo de formación comprende la generación de un modelo que incluye además un componente de filtrado de lodo basado en petróleo.El método conforme se define en cualquiera de las Reivindicaciones 1 a 3, caracterizado porque dicha etapa (d) de generación de un modelo de formación incluye la generación de un conjunto de componentes de amplitud de modelo que define la distribución del tiempo de relajación transversal de la fase de salmuera y un conjunto adicional de componentes de amplitud de modelo que define la distribución del tiempo de relajación transversal del petróleo natural y un conjunto adicional de componentes de modelo que define las viscosidades constitutivas del petróleo natural. El método conforme se define en cualquiera de las Reivindicaciones 1 a 4, caracterizado porque dicha etapa (d) de generación de un modelo de formación incluye además la generación de un componente de modelo que representa la relación aparente del tiempo de relajación longitudinal a tiempo de relajación transversal de la salmuera.El método conforme se define en cualquiera de las Reivindicaciones 1 a 3, caracterizado porque dicha etapa (d) de generación de un modelo de formación incluye la generación de un conjunto de componentes de amplitud de modelo que define la distribución del tiempo de relajación transversal de la fase de salmuera y un conjunto adicional de componentes de amplitud de modelo que define la distribución del tiempo de relajación transversal del petróleo natural y un conjunto adicional de componentes de modelo que define las viscosidades constitutivas del petróleo natural y un componente de modelo que define una amplitud del filtrado del lodo basado en petróleo.Un método para la determinación de las propiedades de las formaciones terrestres que circundan un agujero de perforación, que comprende las etapas de:(a) la provisión de un dispositivo de sondeo que es movible a través del agujero de perforación;(b) la transmisión de energía electromagnética desde dichodispositivo de sondeo hacia las formaciones, y la recepción de los ecos del espín de resonancia magnética nuclear en dicho dispositivo de sondeo;(c) la realización de la etapa (b) una pluralidad de veces, con una respectiva pluralidad de diferentes condiciones de transmisión y/o recepción con el fin de obtener una pluralidad de mediciones;(d) la generación de un modelo de formación que incluye una pluralidad de componentes de modelo para una fase de salmuera y también incluye una pluralidad de tiempos de relajación del petróleo natural para una fase de petróleo natural;(e) la modificación de los componentes de modelo para optimizar el modelo con respecto a las señales de la medición; y(f) la producción de los componentes de modelo del modelo optimizado.El método conforme se define en la Reivindicación 7, caracterizado porque dicha etapa de generación de un modelo de formación comprende la generación de un modelo que incluye además un componente de filtrado de lodo basado en petróleo.El método conforme se define en cualquiera de las Reivindicaciones 1 a 8, caracterizado porque dicha etapa de generación de un modelo de formación comprende la generación de un modelo que incluye además un componente de gas. El método conforme se define en cualquiera de las Reivindicaciones 1 a 9, caracterizado porque dicha etapa de transmisión de la energia electromagnética desde dicho dispositivo de sondeo y la recepción de los ecos del espín de resonancia magnética nuclear en dicho dispositivo de sondeo incluye la producción de un campo magnético estático en una región de investigación y la generación de las secuencias de los impulsos de radio frecuencia del campo magnético en la región de investigación y la recepción de las secuencias de los ecos del espín de resonancia magnética nuclear, y caracterizado porque la gradiente del campo magnético estático aplicada en la región de investigación es Gp, y caracterizado porque el tiempo de espera entre las secuencias es Wp, y la separación del eco es TEp, y la cantidad de ecos del espín recibidos de una secuencia es Jp, y caracterizado porque dicha etapa (c) comprende la realización de la etapa (b) una pluralidad de veces con respectivos valores diferentes de por lo menos una condición seleccionada del grupo que consiste de Gp, Wp, TEp y Jp.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10925298P | 1998-11-19 | 1998-11-19 | |
US09/429,802 US6229308B1 (en) | 1998-11-19 | 1999-10-29 | Formation evaluation using magnetic resonance logging measurements |
Publications (1)
Publication Number | Publication Date |
---|---|
CO5241371A1 true CO5241371A1 (es) | 2003-01-31 |
Family
ID=26806792
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CO99072804A CO5241371A1 (es) | 1998-11-19 | 1999-11-19 | Evaluacion de formacion utilizando mediciones de sondeo de resonancia magnetica |
Country Status (11)
Country | Link |
---|---|
US (1) | US6229308B1 (es) |
EP (1) | EP1003053A3 (es) |
CN (1) | CN1325940C (es) |
AR (1) | AR021326A1 (es) |
AU (1) | AU739052B2 (es) |
CA (1) | CA2288447C (es) |
CO (1) | CO5241371A1 (es) |
EG (1) | EG21984A (es) |
ID (1) | ID25743A (es) |
NO (1) | NO334229B1 (es) |
RU (1) | RU2229594C2 (es) |
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1999
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- 1999-11-19 CN CNB991277597A patent/CN1325940C/zh not_active Expired - Fee Related
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NO995658D0 (no) | 1999-11-18 |
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NO995658L (no) | 2000-05-22 |
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AU5827799A (en) | 2000-05-25 |
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CA2288447A1 (en) | 2000-05-19 |
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