MXPA04003024A - Metodos y aparato para predecir presiones de poro y fractura de una formacion subsuperficial. - Google Patents

Metodos y aparato para predecir presiones de poro y fractura de una formacion subsuperficial.

Info

Publication number
MXPA04003024A
MXPA04003024A MXPA04003024A MXPA04003024A MX PA04003024 A MXPA04003024 A MX PA04003024A MX PA04003024 A MXPA04003024 A MX PA04003024A MX PA04003024 A MXPA04003024 A MX PA04003024A
Authority
MX
Mexico
Prior art keywords
formation
pdfs
formation parameters
uncertainties
uncertainty
Prior art date
Application number
Other languages
English (en)
Inventor
Malinverno Alberto
Original Assignee
Schlumberger Technology Bv
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
Priority claimed from US10/406,722 external-priority patent/US6826486B1/en
Application filed by Schlumberger Technology Bv filed Critical Schlumberger Technology Bv
Publication of MXPA04003024A publication Critical patent/MXPA04003024A/es

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00—Survey of boreholes or wells
    • E21B47/06—Measuring temperature or pressure
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
    • E21B49/006—Measuring wall stresses in the borehole
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/40—Seismology; Seismic or acoustic prospecting or detecting specially adapted for well-logging

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geophysics (AREA)
  • Acoustics & Sound (AREA)
  • Remote Sensing (AREA)
  • General Physics & Mathematics (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Geophysics And Detection Of Objects (AREA)

Abstract

Un metodo para predecir valores de parametros de formacion (v.gr., velocidad de compresion, densidad, presion de poro, y presion de fractura) como una funcion de profundidad incluye generar una prediccion inicial de un perfil de los parametros de formacion e incertidumbre asociadas con los mismos utilizando informacion disponible respecto a la formacion, obtener informacion relacionada con los parametros de formacion durante la perforacion, y actualizar las incertidumbres como una funcion de la primera prediccion y la informacion obtenida en una forma recursiva. Las ecuaciones conocidas se utilizan para encontrar valores iniciales, e incertidumbre asociadas con los mismos se cuantifican utilizando funciones de densidad de probabilidad (PDFs). Un acercamiento de Bayes se utiliza donde en donde "PDFs anteriores" describen incertidumbre antes de obtener informacion adicional, y los "PDFs posteriores" consideran la informacion adicional adquirida. A medida que la informacion adicional s adquiere mientras que se perfora, los PDFs posteriores se definen nuevamente. La incertidumbre en los parametros de formacion se cuantifica muestreando PDFs posteriores dado todos los datos con un algoritmo de Markov Chain Monte Carlo que genera numerosos perfiles de parametro de formacion consistentes con los datos y las incertidumbres de Bayes computadas. Los histogramas de los perfiles de los numerosos perfiles de parametro de formacion se pueden trazar para visualizar la incertidumbre en los parametros de formacion.
MXPA04003024 2003-04-03 2004-03-31 Metodos y aparato para predecir presiones de poro y fractura de una formacion subsuperficial. MXPA04003024A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/406,722 US6826486B1 (en) 2000-02-11 2003-04-03 Methods and apparatus for predicting pore and fracture pressures of a subsurface formation

Publications (1)

Publication Number Publication Date
MXPA04003024A true MXPA04003024A (es) 2004-10-06

Family

ID=32298230

Family Applications (1)

Application Number Title Priority Date Filing Date
MXPA04003024 MXPA04003024A (es) 2003-04-03 2004-03-31 Metodos y aparato para predecir presiones de poro y fractura de una formacion subsuperficial.

Country Status (2)

Country Link
GB (1) GB2400212B (es)
MX (1) MXPA04003024A (es)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7782709B2 (en) * 2003-08-22 2010-08-24 Schlumberger Technology Corporation Multi-physics inversion processing to predict pore pressure ahead of the drill bit
GB0722469D0 (en) * 2007-11-16 2007-12-27 Statoil Asa Forming a geological model
CN101183154B (zh) * 2007-11-30 2010-04-07 辽河石油勘探局 一种地质录井解释方法
NO20101371A1 (no) 2009-10-05 2011-04-06 Logined Bv Fremgangsmate, system og apparat for modellering av usikkerhet i produksjonssystemnettverk
CN102261240B (zh) * 2010-08-23 2013-06-05 鞍钢集团矿业公司 精确监控牙轮钻机钻孔深度的装置及其监控方法
CN110410069B (zh) * 2019-08-15 2022-08-19 中石化石油工程技术服务有限公司 页岩气水平井地层破裂压力梯度测井预测方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1151326B1 (en) * 1999-02-12 2005-11-02 Schlumberger Limited Uncertainty constrained subsurface modeling
GB2354852B (en) * 1999-10-01 2001-11-28 Schlumberger Holdings Method for updating an earth model using measurements gathered during borehole construction

Also Published As

Publication number Publication date
GB0407356D0 (en) 2004-05-05
GB2400212B (en) 2005-05-25
GB2400212A (en) 2004-10-06

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