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Michel Krief
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Michel Krief

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About Michel Krief

Consultant Petrophysicist
From Field Engineer (Wireline logging) to Formation Evaluation Software (Log Analysis) Specialist to (Acoustic) Petrophysicist, now Consultant Petrophysicist. Areas worked include Africa (Gabon, Algeria, ...), Europe (France, Norway, Austria, Romania, ...), Middle East (Oman, Qatar, ...), Others (New Zealand, ...). Inventor of the Biot-Gassmann-Krief model (BGK Model) with the view of using a common framework for Petrophysics (acoustic logs modeling), Rock Physics (modeling) and Geomechanics.



Experience
Company: Storengy (Engie subsidiary) Duration: Jun 01, 2018 to Jul 01, 2019 . 1 year 1 month Description:
- JAF field (Veracruz, Mexico) - Review of petrophysical data in view of setting up a gas storage/operation for CENAGAS (state operator). Upper Miocene turbiditic sequence. - BEYNES PROFOND (Yvelines, France) gas storage - Review of petrophysical data in preparation of a field-wide facies analysis. Creation of a new log database (Techlog). Log interpretation (Quanti Elan) of the Sequanian sand reservoir (Upper Jurassic, Oxfordian) in a few key wells.
Position: Consultant Petrophysicist Duration: Jun 01, 2018 to Nov 30, -0001 . -2019 year -7 month Description:
- JAF field (Veracruz, Mexico) - Review of petrophysical data in view of setting up a gas storage/operation for CENAGAS (state operator). Upper Miocene turbiditic sequence. - BEYNES PROFOND (Yvelines, France) gas storage - Review of petrophysical data in preparation of a field-wide facies analysis. Creation of a new log database (Techlog). Log interpretation (Quanti Elan) of the Sequanian sand reservoir (Upper Jurassic, Oxfordian) in a few key wells.
Company: Krief Models Duration: Jul 01, 2017 to Present . 6 years 10 months Description:
Providing technical assistance in - Petrophysical analysis & Log analysis (Wireline, MWD) using sonic, shear sonic logs as baseline combined with density and resistivity logs - Modeling / interpretation of acoustic logs (compressional sonic, shear sonic)
Position: Owner Duration: Jul 01, 2017 to Present . 6 years 10 months Description:
Providing technical assistance in - Petrophysical analysis & Log analysis (Wireline, MWD) using sonic, shear sonic logs as baseline combined with density and resistivity logs - Modeling / interpretation of acoustic logs (compressional sonic, shear sonic)
Company: OMV Duration: May 01, 2014 to Jun 01, 2016 . 2 years 1 month Description:
Senior Petrophysicist role to strengthen the Formation Evaluation team’s expertise in the assessment of carbonate and fractured reservoirs and contribute significantly to the interdisciplinary rock-physics activities in quantitative interpretation, fluid-substitution and poro-elastic modeling (using the BGK model) within the Petroleum Engineering function. UK - West of Shetlands Cambo field - unconsolidated sands interbedded with coal, volcanics basement with hydrocarbon shows Norway - SW Barents Sea Wisting field - unconsolidated sands - 2 studies to resolve mismatch between log-derived and seismic-derived acoustic properties (AVO): study of possible gas-hydrate effect on acoustic properties - study of uplift effect on acoustic properties Tunisia Ashtart field - carbonate reservoir - acoustic properties Pakistan Miano field - clastics acoustic properties Others: Austria, Romania (offshore & onshore), New Zealand, Namibia
Position: Sr Petrophysicist Duration: May 01, 2014 to Jun 01, 2016 . 2 years 1 month Description:
Senior Petrophysicist role to strengthen the Formation Evaluation team’s expertise in the assessment of carbonate and fractured reservoirs and contribute significantly to the interdisciplinary rock-physics activities in quantitative interpretation, fluid-substitution and poro-elastic modeling (using the BGK model) within the Petroleum Engineering function. UK - West of Shetlands Cambo field - unconsolidated sands interbedded with coal, volcanics basement with hydrocarbon shows Norway - SW Barents Sea Wisting field - unconsolidated sands - 2 studies to resolve mismatch between log-derived and seismic-derived acoustic properties (AVO): study of possible gas-hydrate effect on acoustic properties - study of uplift effect on acoustic properties Tunisia Ashtart field - carbonate reservoir - acoustic properties Pakistan Miano field - clastics acoustic properties Others: Austria, Romania (offshore & onshore), New Zealand, Namibia
Company: Maersk Oil Duration: Oct 01, 2007 to Apr 01, 2014 . 6 years 6 months Description:
Al Shaheen field (Qatar), Shuaiba/Nahr Umr Team - Al Shaheen field development (FDP) including Shuaiba reservoir (carbonate) and Nahr Umr reservoir(unconsolidated sands) - Static model updating using log evaluations, acoustic / elastic properties, from vertical and horizontal wells. Carbonate reservoirs (Cretaceous) . Log interpretation (multimineral analysis MULTIMIN, electrofacies analysis FACIMAGE, acoustic log analysis (BGK model)) - Kharaib, Shuaiba, Mauddud, Khatiyah, Sulaiy Carbonate reservoirs (Jurassic) - Log interpretation (multimineral analysis, electrofacies analysis, acoustic log analysis) - Hith: oil-bearing dolomite stringers - Arab: oil-bearing mixed calcite/dolomite/anhydrite formation Clastics reservoirs (Cretaceous) - Log interpretation - Nahr Umr Sand: thin (<5´) iron-bearing sand layer with variable matrix density (iron-bearing minerals);used combined electrofacies analysis and multi-mineral analysis for reservoir sands characterization. Log evaluation (Wireline and LWD) - Wireline: exploration & appraisal wells (old & recent) - Electrofacies analysis (Facimage), multimineral analysis (Multimin). - Sonic quick-look interpretation (BGK model). LWD: development horizontal wells (typically RAB/ADN & RAB/ECO tools) - Image logs (resistivity, bulk density); spectroscopy data analysis. Acoustics / Rock physics / Geomechanics - Acoustic / elastic properties database. - Editing / interpretation of acoustic logs (compressional sonic, shear sonic, bulk density). - Pre-fracturing job mechanical properties analysis. - Rock physics modelling of all Cretaceous carbonate reservoirs (modelling using the BGK model). - Geolog (Loglan modules) - Techlog (Python scripts, XML).
Position: Sr Petrophysicist Duration: Oct 01, 2007 to Apr 01, 2014 . 6 years 6 months Description:
Al Shaheen field (Qatar), Shuaiba/Nahr Umr Team - Al Shaheen field development (FDP) including Shuaiba reservoir (carbonate) and Nahr Umr reservoir(unconsolidated sands) - Static model updating using log evaluations, acoustic / elastic properties, from vertical and horizontal wells. Carbonate reservoirs (Cretaceous) . Log interpretation (multimineral analysis MULTIMIN, electrofacies analysis FACIMAGE, acoustic log analysis (BGK model)) - Kharaib, Shuaiba, Mauddud, Khatiyah, Sulaiy Carbonate reservoirs (Jurassic) - Log interpretation (multimineral analysis, electrofacies analysis, acoustic log analysis) - Hith: oil-bearing dolomite stringers - Arab: oil-bearing mixed calcite/dolomite/anhydrite formation Clastics reservoirs (Cretaceous) - Log interpretation - Nahr Umr Sand: thin (<5´) iron-bearing sand layer with variable matrix density (iron-bearing minerals);used combined electrofacies analysis and multi-mineral analysis for reservoir sands characterization. Log evaluation (Wireline and LWD) - Wireline: exploration & appraisal wells (old & recent) - Electrofacies analysis (Facimage), multimineral analysis (Multimin). - Sonic quick-look interpretation (BGK model). LWD: development horizontal wells (typically RAB/ADN & RAB/ECO tools) - Image logs (resistivity, bulk density); spectroscopy data analysis. Acoustics / Rock physics / Geomechanics - Acoustic / elastic properties database. - Editing / interpretation of acoustic logs (compressional sonic, shear sonic, bulk density). - Pre-fracturing job mechanical properties analysis. - Rock physics modelling of all Cretaceous carbonate reservoirs (modelling using the BGK model). - Geolog (Loglan modules) - Techlog (Python scripts, XML).
Position: Consulting Petrophysicist Duration: Mar 01, 2007 to May 01, 2007 . 2 months Description:
Awali field FDP (Bahrain) - Log evaluation of deep carbonate reservoirs (Arab, Khuff). - Log evaluation of shallow tar / heavy oil formation (Aruma).
Company: ENGIE Duration: Mar 01, 2007 to May 01, 2007 . 2 months Description:
Iran Gas Round 2007 - Log evaluation of a log data package (onshore gas fields).
Position: Consulting Petrophysicist Duration: Mar 01, 2007 to May 01, 2007 . 2 months Description:
Iran Gas Round 2007 - Log evaluation of a log data package (onshore gas fields).
Company: PEMEX Duration: Oct 01, 2006 to Nov 01, 2006 . 1 month Description:
Pemex - Activo integrado Burgos - Petrophysical support to the Paradigm G&G team.
Position: Consulting Petrophysicist Duration: Oct 01, 2006 to Nov 01, 2006 . 1 month Description:
Pemex - Activo integrado Burgos - Petrophysical support to the Paradigm G&G team.
Company: PdVSA Duration: Nov 01, 2005 to Sep 01, 2006 . 10 months Description:
Distrito Norte de Monagas - Campo Santa Bárbara - Pirital - Review of the petrophysical model of the Santa Bárbara gas field (core data acquisition (Archie n-parameter change with time; permeability-pore throat size relationship; generalization of Pitmann's equations), saturation evaluation (incoherent and overly optimistic evaluations using a unique formation water resistivity value; possible use of spontaneous potential SP log in oil-base mud environment; alternate method for formation fluid identification),
Position: Consulting Petrophysicist Duration: Nov 05, 2005 to Sep 01, 2006 . 10 months Description:
Distrito Norte de Monagas - Campo Santa Bárbara - Pirital - Review of the petrophysical model of the Santa Bárbara gas field (core data acquisition (Archie n-parameter change with time; permeability-pore throat size relationship; generalization of Pitmann's equations), saturation evaluation (incoherent and overly optimistic evaluations using a unique formation water resistivity value; possible use of spontaneous potential SP log in oil-base mud environment; alternate method for formation fluid identification),
Company: PDO Duration: Nov 01, 2002 to Nov 01, 2005 . 3 years Description:
Reservoir characterization team (Exploration/Geophysics Quantitative Interpretation group) - Creation and maintenance of a new acoustic log database (500+ wells). - Processing (using BGK model) of some 2000 wells with sonic logs. - Support of group geologists and geophysicists. Quantitative Interpretation (QI) projects - Saih Nihayda Amin deep tight sandstone gas reservoir (identified 1 extra Tcf in finely laminated sand on top of themain formation). - Al Noor, Al Shomou Review of acoustic properties of Athel silicylite. - Shuaiba Review of acoustic properties of all Shuaiba fields (Cretaceous carbonates) in North Oman resulting in the creation of an atlas of rock properties. - Harweel cluster Review of acoustic properties of the dolomite stringers (oil and gas-bearing) in the Ara salt; study of salt and bitumen plugging. - Fahud QC of all acoustic data leading to reprocessing of all wells in the field. - Mukhaizna: heavy oil field Static model generation (petrophysics). - Yibal Modelling of missing bulk density and sonic logs across the Natih (carbonate), Nahr Umr (shale), and Shuaiba (carbonate) formations.
Position: Sr Acoustic Petrophysicist Duration: Nov 01, 2002 to Nov 01, 2005 . 3 years Description:
Reservoir characterization team (Exploration/Geophysics Quantitative Interpretation group) - Creation and maintenance of a new acoustic log database (500+ wells). - Processing (using BGK model) of some 2000 wells with sonic logs. - Support of group geologists and geophysicists. Quantitative Interpretation (QI) projects - Saih Nihayda Amin deep tight sandstone gas reservoir (identified 1 extra Tcf in finely laminated sand on top of themain formation). - Al Noor, Al Shomou Review of acoustic properties of Athel silicylite. - Shuaiba Review of acoustic properties of all Shuaiba fields (Cretaceous carbonates) in North Oman resulting in the creation of an atlas of rock properties. - Harweel cluster Review of acoustic properties of the dolomite stringers (oil and gas-bearing) in the Ara salt; study of salt and bitumen plugging. - Fahud QC of all acoustic data leading to reprocessing of all wells in the field. - Mukhaizna: heavy oil field Static model generation (petrophysics). - Yibal Modelling of missing bulk density and sonic logs across the Natih (carbonate), Nahr Umr (shale), and Shuaiba (carbonate) formations.
Position: Consulting Acoustic Petrophysicist Duration: Oct 01, 1999 to Nov 01, 2002 . 3 years 1 month Description:
Seconded to Petroleum Development Oman (PDO) Exploration/Geophysics Department by CGG - Exploration, Reservoir characterization team (Tasks: see position above).
Company: CGG Duration: Jan 01, 1990 to Oct 01, 1999 . 9 years 9 months Description:
Petrophysical analysis software development, maintenance, and support (IntegralPlus software suite, DIALOG/LAM log interpretation package) DIALOG/LAM - User support, training, software maintenance, software development (XCORREC application forsimultaneous correction of all logs in a data-base (RDBMS based)). GEOLOG 6 - Implementation of new and existing algorithms (GEOLOG 6 software due to replace DIALOG software). Short assignments: training & log interpretation - Mexico - Poza Rica, Veracruz (log interpretation) - Venezuela - Maracaibo (DIALOG training) - Indonesia - Jakarta (DIALOG training) - China - Karamay, Xinjiang (training of Karamay Oil Company (KOC) geoscientists)
Position: FE Software (Log Analysis) Specialist Duration: Jan 01, 1990 to Oct 01, 1999 . 9 years 9 months Description:
Petrophysical analysis software development, maintenance, and support (IntegralPlus software suite, DIALOG/LAM log interpretation package) DIALOG/LAM - User support, training, software maintenance, software development (XCORREC application forsimultaneous correction of all logs in a data-base (RDBMS based)). GEOLOG 6 - Implementation of new and existing algorithms (GEOLOG 6 software due to replace DIALOG software). Short assignments: training & log interpretation - Mexico - Poza Rica, Veracruz (log interpretation) - Venezuela - Maracaibo (DIALOG training) - Indonesia - Jakarta (DIALOG training) - China - Karamay, Xinjiang (training of Karamay Oil Company (KOC) geoscientists)
Position: Petrophysicist Duration: Aug 01, 1988 to Dec 01, 1989 . 1 year 4 months Description:
EVA development team (full-waveform sonic development sponsored by ELF) - Interpretation of acoustic log data (using DIALOG, ELF proprietary FE software). - Development of new methods for sonic log interpretation (published paper in The Log Analyst, 1990).
Company: COPGO HUNTING Duration: Nov 01, 1984 to Sep 01, 1987 . 2 years 10 months Description:
- Cased hole operations, production logging (Cement Bond Log (CBL), Perforations, Explosive devices, Production logging (PLT)). - Evry, France Production logging in geothermal wells of the Paris Basin (oil and geothermal wells). . Pau, France Production logging, perforation jobs - Pescara, Italy Operations in North Italy (Po Basin) and South Italy (Puglia, Basilicata, Calabria).
Position: Production Logging Engineer Duration: Nov 01, 1984 to Sep 01, 1987 . 2 years 10 months Description:
- Cased hole operations, production logging (Cement Bond Log (CBL), Perforations, Explosive devices, Production logging (PLT)). - Evry, France Production logging in geothermal wells of the Paris Basin (oil and geothermal wells). . Pau, France Production logging, perforation jobs - Pescara, Italy Operations in North Italy (Po Basin) and South Italy (Puglia, Basilicata, Calabria).
Company: SCHLUMBERGER Duration: May 01, 1975 to May 01, 1983 . 8 years Description:
Log analyst (October 1982 - May 1983) - Venezuela: Caracas Log Interpretation Center (multi-mineral analysis using GLOBAL) . France: Log analyst school in Montrouge Schlumberger center General field engineer Field operations - Open-hole, cased-hole, production logging, perforation jobs - France . Orléans: logging operations in the Paris Basin+ offshore Brittany . Pau: logging operations in the Aquitaine Basin + offshore Bay of Biscay - Algeria . Mereksen: logging operations in Mereksen oil field and Alrar gas field + logging operations in Hassi Messaoud oil field, Gassi Touil gas field . Teguentour: logging operations in exploration wells (gas) north of Ain Salah + logging operations in Hassi R'mel gas field . First Repeat Formation Tester (RFT) service in Algeria - Gabon . Port Gentil: mostly offshore operations General Field Engineer Production Logging specialist (PLT, TDT). - Short assignments . Zaire (offshore), Norway (Ekofisk), Denmark (offshore)
Position: General Field Engineer Duration: May 01, 1975 to May 01, 1983 . 8 years Description:
Log analyst (October 1982 - May 1983) - Venezuela: Caracas Log Interpretation Center (multi-mineral analysis using GLOBAL) . France: Log analyst school in Montrouge Schlumberger center General field engineer Field operations - Open-hole, cased-hole, production logging, perforation jobs - France . Orléans: logging operations in the Paris Basin+ offshore Brittany . Pau: logging operations in the Aquitaine Basin + offshore Bay of Biscay - Algeria . Mereksen: logging operations in Mereksen oil field and Alrar gas field + logging operations in Hassi Messaoud oil field, Gassi Touil gas field . Teguentour: logging operations in exploration wells (gas) north of Ain Salah + logging operations in Hassi R'mel gas field . First Repeat Formation Tester (RFT) service in Algeria - Gabon . Port Gentil: mostly offshore operations General Field Engineer Production Logging specialist (PLT, TDT). - Short assignments . Zaire (offshore), Norway (Ekofisk), Denmark (offshore)
Education
University: Stanford University Degree: MOOC Graduation Year: 2019 Area: Geomechanics Start - End Year: 2019 - 2019 Notes:
Mark Zoback, Stanford University MOOC - Unconventional Reservoirs Geomechanics
University: Stanford University Degree: MOOC Graduation Year: 2018 Area: Geomechanics Start - End Year: 2018 - 2018 Notes:
Mark Zoback, Stanford University MOOC - Reservoir Geomechanics
University: IAE (Business Administration Institute) Aix-en-Provence France Degree: Certificate Graduation Year: 1984 Area: Business Administration Start - End Year: 1983 - 1984 Notes:
DESS CAAE Certificate in Business Administration
University: INSA (National Institute for Applied Sciences) Lyons France Degree: Engineer Graduation Year: 1972 Area: Engineering (Physics) Start - End Year: 1967 - 1972 Notes:
Materials Science and Engineering (Master's degree equivalent)
Skills

Formation Evaluation; 

Wireline Operations; 

Measurement While Drilling; 

Core-log integration; 

Coding; 

Planning, implementation and QC of data accquisition programs for Oil/Gas operators; 

Carbonates; 

Rock Physics; 

Sonic; 

Log Analysis (Wireline); 

Log Analysis (MWD); 

Multimineral Analysis; 

Electrofacies Analysis; 

Work History & Review

No Work History & Review yet!