Jean-Pierre Deflandre - Academia.edu (original) (raw)

Papers by Jean-Pierre Deflandre

Research paper thumbnail of Identification ofP/S-wave successions for application in microseismicity

Pure and Applied Geophysics PAGEOPH, 1992

Interpretation of P/S-wave successions is used in induced or passive microseismicity. It makes th... more Interpretation of P/S-wave successions is used in induced or passive microseismicity. It makes the location of microseismic events possible when the triangulation technique cannot be used. To improve the reliability of the method, we propose a technique that identifies the P/S-wave successions among recorded wave successions. A polarization software is used to verify the orthogonality between the P and S polarization axes. The polarization parameters are computed all along the 3-component acoustic signal. Then the algorithm detects time windows within which the signal polarization axis is perpendicular to the polarization axis of the wave in the reference time window (representative of the P wave). The technique is demonstrated for a synthetic event, and three application cases are presented. The first one corresponds to a calibration shot within which the arrivals of perpendicularly polarized waves are correctly detected in spite of their moderate amplitude. The second example presents a microseismic event recorded during gas withdrawal from an underground gas storage reservoir. The last example is chosen as a counter-example, concerning a microseismic event recorded during a hydraulic fracturing job. The detection algorithm reveals that, in this case, the wave succession does not correspond to a P/S one. This implies that such an event must not be located by the method based on the interpretation of a P/S-wave succession as no such a succession is confirmed.

Research paper thumbnail of Induced Microseismicity: Short Overview, State of the Art and Feedback on Source Rock Production

The Open Petroleum Engineering Journal, 2016

Research paper thumbnail of Laboratory Analysis of Acoustic Emission Associated with the Hydraulic Fracturing of Sandstone Samples. The Problem of Fracture Location

Oil & Gas Science and Technology, 1989

Research paper thumbnail of Neural Network approach for multiphase hydrodynamic simulation

Research paper thumbnail of Microseismic surveying and repeated VSPs for monitoring an underground gas storage reservoir using permanent geophones

Research paper thumbnail of Downhole frac monitoring system developed

A hydraulic fracture monitoring system makes it possible to determine the azimuth, length, and he... more A hydraulic fracture monitoring system makes it possible to determine the azimuth, length, and height of hydraulic fractures. Institut Francais du Petrole (IFP) has designed, patented, and field tested the system, which is designated Simfrac. It consists of a downhole monitoring tool with real-time surface readout and recording of microseismic events generated during the fracture opening or closing that occurs after the injection of fracture fluids. Combining Simfrac Interpretation with mathematical models can provide a better image of downhole stresses improved hydraulic fracture design, and can indicate optimum drill sites.

Research paper thumbnail of Long-term fate of CO2 in a saline aquifer: modeling issues

Energy Procedia, 2014

As part of the CO 2 CARE project, modeling of the post-closure behavior within the CO 2 storage c... more As part of the CO 2 CARE project, modeling of the post-closure behavior within the CO 2 storage complex has been partly tackled in the case of the Sleipner CO 2 storage. Based on a specific workflow developed in the CO 2 ReMove project, three simulation studies were defined at different places of the storage complex. They aimed at describing the long-term fate of the CO 2 plume within the complex in order to analyze the storage stabilization and to study the geochemical impact on an abandoned distant well. These studies have shown that the CO 2 injected in the Utsira reservoir tends to evolve within the storage complex towards a situation of long-term stability thanks to CO 2 dissolution and carbonation.

Research paper thumbnail of Sensitivity Study of the Reactive Transport Model for CO2 Injection into the Utsira Saline Formation Using 3D Fluid Flow Model History Matched with 4D Seismic

Energy Procedia, 2013

This article reports on the reactive transport simulation work dealing with CO 2 storage at Sleip... more This article reports on the reactive transport simulation work dealing with CO 2 storage at Sleipner. The study has been initiated in the CO 2 ReMoVe European project with one preliminary scenario and is carrying on in the CO 2 CARE one with a sensibility study. Its main purpose was to simulate on the long term the CO 2 fate and to estimate the proportion of trapped CO 2 per trapping mechanisms over time. All the simulations were performed using a 2D reactive transport model based on a 3D fluid flow model history matched with 4D seismic.

Research paper thumbnail of Large-scale CO2 injection demos for the development of monitoring and verification technology and guidelines (CO2 ReMoVe)

Energy Procedia, 2009

The objectives of the EU project CO2ReMoVe are to undertake the research and development necessar... more The objectives of the EU project CO2ReMoVe are to undertake the research and development necessary to establish scientifically based standards for monitoring future CCS operations and to develop the performance assessment methodologies necessary to demonstrate the long-term reliability of geological storage of CO 2 . This could in turn lead to guidelines for the certification of sites suitable for CCS on a wide scale. Crucial to the project portfolio are the continuing large-scale CO 2 injection operation at Sleipner, the injection operation at In Salah (Algeria) and the recently started injection project at Snøhvit (Norway). Two pilot sites are also currently in the project portfolio, Ketzin in Germany and K12-B in the offshore continental shelf of the Netherlands.

Research paper thumbnail of Assessing Field Pressure and Plume Migration in CO2 Storages: Application of Case-specific Workflows at in Salah and Sleipner

Energy Procedia, 2013

Performance assessment of CO 2 geological storage aims at applying a specific workflow adapted to... more Performance assessment of CO 2 geological storage aims at applying a specific workflow adapted to the site to be considered, using iterations between modeling tools and methods together with monitoring techniques. In the frame of the CO2ReMoVe European project site specific innovative workflows have been applied at In Salah and Sleipner to respectively predict the reservoir pressure field and the CO 2 plume migration. These are the two major issues to deal with, when considering storage efficiency and safety together with the public acceptance issue.

Research paper thumbnail of CO2CARE-Site Closure Assessment Research-Recent Results

ABSTRACT The EU project CO2CARE, which started in January 2011, supports the large scale demonstr... more ABSTRACT The EU project CO2CARE, which started in January 2011, supports the large scale demonstration of CCS technology by addressing requirements of operators and regulators face in terms of CO2 storage site abandonment. The CO2CARE consortium, consisting of 24 project partners from universities, research institutes, and the industry, investigate technologies and procedures for abandonment and post-closure safety, satisfying the regulatory requirements for the transfer of responsibility. Nine key injections sites in Europe, USA, Japan, and Australia, each with a specific (hydro) geological and environmental character, were selected for investigations. These sites can be divided into the CO2 storage types on-shore, off-shore, natural CO2 reservoir, depleted gas reservoirs, and saline aquifers. The project mainly focuses on three key areas: - well abandonment and long-term integrity; - reservoir management and prediction from closure to the long-term; - risk management methodologies for long-term safety. These key areas are in turn closely linked to the three high-level requirements of the EU Directive 2009/31/EC, Article 18 for CO2 storage which are: (i) absence of any detectable leakage, (ii) conformity of actual behaviour of the injected CO2 with the modeled behaviour, and (iii) the storage site is evolving towards a situation of long-term stability. The identification of criteria and the development of site abandonment procedures and technologies, which guarantee the fulfillment of the high-level requirements, are the major objectives in CO2CARE. These criteria have to be fulfilled prior to subsequent transfer of responsibility to the competent authorities, typically 20 or 30 years after site closure. Finally, the essential results of the different working groups in CO2CARE will feed into overall guidelines for regulatory compliance and "Best Practice" for site abandonment. Dissemination of the results will show policy makers and the general public how site abandonment procedures for CO2 storage sites can be undertaken sustainably, cost-effectively and with no adverse effect to the local population and the natural environment. After more than two-thirds of the project`s lifetime, an overview of the project`s goals and the most relevant research findings are presented.

Research paper thumbnail of Use of Porosity as a Strength Indicator for Sand Production Evaluation

Proceedings of SPE Annual Technical Conference and Exhibition, 1993

Research paper thumbnail of Improvements in Downhole Equipment for Fluid Injection and Hydraulic Fracturing Monitoring using Associated Induced Seismicity

Proceedings of Abu Dhabi International Conference and Exhibition, 2004

... For other purposes, microseismicity may continually occurs everywhere. ... was to ensure equi... more ... For other purposes, microseismicity may continually occurs everywhere. ... was to ensure equipment and instrumentation compatibility for both passive (microseismic monitoring) and active ... In such conditions, it makes the induced microseisms and fracturing pressure simultaneous ...

Research paper thumbnail of Investigation of the Poromechanical Behavior of Shales in the Elastic Domain

SPE/ISRM Rock Mechanics in Petroleum Engineering, 1998

This paper was prepared for presentation at SPS/fSRM Eur0cW98 held in Trcmtheim, Norway, .s-10Jui... more This paper was prepared for presentation at SPS/fSRM Eur0cW98 held in Trcmtheim, Norway, .s-10Juiv 19ss.

Research paper thumbnail of Contribution to Well Mechanical History Modeling Prior Abandonment

Energy Procedia, 2014

Well abandonment is a key issue considering the long term integrity of CO 2 storage sites. In thi... more Well abandonment is a key issue considering the long term integrity of CO 2 storage sites. In this study, we model the mechanical status of a well prior its abandonment to identify any zone of weakness that may affect the well integrity allowing unexpected fluids migration. We first state on wellbore stresses just after drilling and completion using a 2D reservoir model. Then, we model in 3D the stress evolution at wellbore considering pore pressure fluid variations. The final state of stress of each material is then compared to its failure envelop to assess the risk of having damaged materials.

Research paper thumbnail of Acoustic Emission Interpretation for Estimating Hydraulic Fracture Extent

SPE Gas Technology Symposium, 1988

Research paper thumbnail of Key Site Abandonment Steps in CO2 Storage

Energy Procedia, 2013

ABSTRACT The European Commission published a set of Guidance Documents to assist countries and st... more ABSTRACT The European Commission published a set of Guidance Documents to assist countries and stakeholders to implement the EU Directive 2009/31/EC on geological storage of CO2. The main objectives of the CO2CARE project are closely linked to the three high-level requirements of the Directive with regard to post-closure transfer of liability of a storage site to the relevant competent authority: (i) absence of any detectable leakage, (ii) conformity of actual behaviour of the injected CO2 with the modelled behaviour, and (iii) the storage site is evolving towards a situation of long-term stability. Guidelines for regulatory compliance and “Best Practice” for site abandonment are being established by distillation and integration of all research findings into site closure and abandonment protocols. The work is based on 9 key injection sites in Europe and worldwide.

Research paper thumbnail of Acoustic Emission Interpretation for Estimating Hydraulic Fracture Extent: Laboratory and Field Studies

SPE Annual Technical Conference and Exhibition, 1988

Research paper thumbnail of In Salah CO2 injection modeling: A preliminary approach to predict short term reservoir behavior

Energy Procedia, 2011

... References [1] Ringrose Ph., Atbi M., Mason D., Espinassous M., Myhrer Oyvind, Iding M., Math... more ... References [1] Ringrose Ph., Atbi M., Mason D., Espinassous M., Myhrer Oyvind, Iding M., Mathieson A. and Wright I., Plume development around well KB-502 at the In Salah CO 2 storage site, First ... [5] Feraille Mathieu, Jourdan Astrid, Manceau Emmanuel, Zabalza-Mezghani ...

Research paper thumbnail of Geomechanical Modeling Integrating Subseismic Faults

Asia Pacific Oil and Gas Conference & Exhibition, 2009

Research paper thumbnail of Identification ofP/S-wave successions for application in microseismicity

Pure and Applied Geophysics PAGEOPH, 1992

Interpretation of P/S-wave successions is used in induced or passive microseismicity. It makes th... more Interpretation of P/S-wave successions is used in induced or passive microseismicity. It makes the location of microseismic events possible when the triangulation technique cannot be used. To improve the reliability of the method, we propose a technique that identifies the P/S-wave successions among recorded wave successions. A polarization software is used to verify the orthogonality between the P and S polarization axes. The polarization parameters are computed all along the 3-component acoustic signal. Then the algorithm detects time windows within which the signal polarization axis is perpendicular to the polarization axis of the wave in the reference time window (representative of the P wave). The technique is demonstrated for a synthetic event, and three application cases are presented. The first one corresponds to a calibration shot within which the arrivals of perpendicularly polarized waves are correctly detected in spite of their moderate amplitude. The second example presents a microseismic event recorded during gas withdrawal from an underground gas storage reservoir. The last example is chosen as a counter-example, concerning a microseismic event recorded during a hydraulic fracturing job. The detection algorithm reveals that, in this case, the wave succession does not correspond to a P/S one. This implies that such an event must not be located by the method based on the interpretation of a P/S-wave succession as no such a succession is confirmed.

Research paper thumbnail of Induced Microseismicity: Short Overview, State of the Art and Feedback on Source Rock Production

The Open Petroleum Engineering Journal, 2016

Research paper thumbnail of Laboratory Analysis of Acoustic Emission Associated with the Hydraulic Fracturing of Sandstone Samples. The Problem of Fracture Location

Oil & Gas Science and Technology, 1989

Research paper thumbnail of Neural Network approach for multiphase hydrodynamic simulation

Research paper thumbnail of Microseismic surveying and repeated VSPs for monitoring an underground gas storage reservoir using permanent geophones

Research paper thumbnail of Downhole frac monitoring system developed

A hydraulic fracture monitoring system makes it possible to determine the azimuth, length, and he... more A hydraulic fracture monitoring system makes it possible to determine the azimuth, length, and height of hydraulic fractures. Institut Francais du Petrole (IFP) has designed, patented, and field tested the system, which is designated Simfrac. It consists of a downhole monitoring tool with real-time surface readout and recording of microseismic events generated during the fracture opening or closing that occurs after the injection of fracture fluids. Combining Simfrac Interpretation with mathematical models can provide a better image of downhole stresses improved hydraulic fracture design, and can indicate optimum drill sites.

Research paper thumbnail of Long-term fate of CO2 in a saline aquifer: modeling issues

Energy Procedia, 2014

As part of the CO 2 CARE project, modeling of the post-closure behavior within the CO 2 storage c... more As part of the CO 2 CARE project, modeling of the post-closure behavior within the CO 2 storage complex has been partly tackled in the case of the Sleipner CO 2 storage. Based on a specific workflow developed in the CO 2 ReMove project, three simulation studies were defined at different places of the storage complex. They aimed at describing the long-term fate of the CO 2 plume within the complex in order to analyze the storage stabilization and to study the geochemical impact on an abandoned distant well. These studies have shown that the CO 2 injected in the Utsira reservoir tends to evolve within the storage complex towards a situation of long-term stability thanks to CO 2 dissolution and carbonation.

Research paper thumbnail of Sensitivity Study of the Reactive Transport Model for CO2 Injection into the Utsira Saline Formation Using 3D Fluid Flow Model History Matched with 4D Seismic

Energy Procedia, 2013

This article reports on the reactive transport simulation work dealing with CO 2 storage at Sleip... more This article reports on the reactive transport simulation work dealing with CO 2 storage at Sleipner. The study has been initiated in the CO 2 ReMoVe European project with one preliminary scenario and is carrying on in the CO 2 CARE one with a sensibility study. Its main purpose was to simulate on the long term the CO 2 fate and to estimate the proportion of trapped CO 2 per trapping mechanisms over time. All the simulations were performed using a 2D reactive transport model based on a 3D fluid flow model history matched with 4D seismic.

Research paper thumbnail of Large-scale CO2 injection demos for the development of monitoring and verification technology and guidelines (CO2 ReMoVe)

Energy Procedia, 2009

The objectives of the EU project CO2ReMoVe are to undertake the research and development necessar... more The objectives of the EU project CO2ReMoVe are to undertake the research and development necessary to establish scientifically based standards for monitoring future CCS operations and to develop the performance assessment methodologies necessary to demonstrate the long-term reliability of geological storage of CO 2 . This could in turn lead to guidelines for the certification of sites suitable for CCS on a wide scale. Crucial to the project portfolio are the continuing large-scale CO 2 injection operation at Sleipner, the injection operation at In Salah (Algeria) and the recently started injection project at Snøhvit (Norway). Two pilot sites are also currently in the project portfolio, Ketzin in Germany and K12-B in the offshore continental shelf of the Netherlands.

Research paper thumbnail of Assessing Field Pressure and Plume Migration in CO2 Storages: Application of Case-specific Workflows at in Salah and Sleipner

Energy Procedia, 2013

Performance assessment of CO 2 geological storage aims at applying a specific workflow adapted to... more Performance assessment of CO 2 geological storage aims at applying a specific workflow adapted to the site to be considered, using iterations between modeling tools and methods together with monitoring techniques. In the frame of the CO2ReMoVe European project site specific innovative workflows have been applied at In Salah and Sleipner to respectively predict the reservoir pressure field and the CO 2 plume migration. These are the two major issues to deal with, when considering storage efficiency and safety together with the public acceptance issue.

Research paper thumbnail of CO2CARE-Site Closure Assessment Research-Recent Results

ABSTRACT The EU project CO2CARE, which started in January 2011, supports the large scale demonstr... more ABSTRACT The EU project CO2CARE, which started in January 2011, supports the large scale demonstration of CCS technology by addressing requirements of operators and regulators face in terms of CO2 storage site abandonment. The CO2CARE consortium, consisting of 24 project partners from universities, research institutes, and the industry, investigate technologies and procedures for abandonment and post-closure safety, satisfying the regulatory requirements for the transfer of responsibility. Nine key injections sites in Europe, USA, Japan, and Australia, each with a specific (hydro) geological and environmental character, were selected for investigations. These sites can be divided into the CO2 storage types on-shore, off-shore, natural CO2 reservoir, depleted gas reservoirs, and saline aquifers. The project mainly focuses on three key areas: - well abandonment and long-term integrity; - reservoir management and prediction from closure to the long-term; - risk management methodologies for long-term safety. These key areas are in turn closely linked to the three high-level requirements of the EU Directive 2009/31/EC, Article 18 for CO2 storage which are: (i) absence of any detectable leakage, (ii) conformity of actual behaviour of the injected CO2 with the modeled behaviour, and (iii) the storage site is evolving towards a situation of long-term stability. The identification of criteria and the development of site abandonment procedures and technologies, which guarantee the fulfillment of the high-level requirements, are the major objectives in CO2CARE. These criteria have to be fulfilled prior to subsequent transfer of responsibility to the competent authorities, typically 20 or 30 years after site closure. Finally, the essential results of the different working groups in CO2CARE will feed into overall guidelines for regulatory compliance and "Best Practice" for site abandonment. Dissemination of the results will show policy makers and the general public how site abandonment procedures for CO2 storage sites can be undertaken sustainably, cost-effectively and with no adverse effect to the local population and the natural environment. After more than two-thirds of the project`s lifetime, an overview of the project`s goals and the most relevant research findings are presented.

Research paper thumbnail of Use of Porosity as a Strength Indicator for Sand Production Evaluation

Proceedings of SPE Annual Technical Conference and Exhibition, 1993

Research paper thumbnail of Improvements in Downhole Equipment for Fluid Injection and Hydraulic Fracturing Monitoring using Associated Induced Seismicity

Proceedings of Abu Dhabi International Conference and Exhibition, 2004

... For other purposes, microseismicity may continually occurs everywhere. ... was to ensure equi... more ... For other purposes, microseismicity may continually occurs everywhere. ... was to ensure equipment and instrumentation compatibility for both passive (microseismic monitoring) and active ... In such conditions, it makes the induced microseisms and fracturing pressure simultaneous ...

Research paper thumbnail of Investigation of the Poromechanical Behavior of Shales in the Elastic Domain

SPE/ISRM Rock Mechanics in Petroleum Engineering, 1998

This paper was prepared for presentation at SPS/fSRM Eur0cW98 held in Trcmtheim, Norway, .s-10Jui... more This paper was prepared for presentation at SPS/fSRM Eur0cW98 held in Trcmtheim, Norway, .s-10Juiv 19ss.

Research paper thumbnail of Contribution to Well Mechanical History Modeling Prior Abandonment

Energy Procedia, 2014

Well abandonment is a key issue considering the long term integrity of CO 2 storage sites. In thi... more Well abandonment is a key issue considering the long term integrity of CO 2 storage sites. In this study, we model the mechanical status of a well prior its abandonment to identify any zone of weakness that may affect the well integrity allowing unexpected fluids migration. We first state on wellbore stresses just after drilling and completion using a 2D reservoir model. Then, we model in 3D the stress evolution at wellbore considering pore pressure fluid variations. The final state of stress of each material is then compared to its failure envelop to assess the risk of having damaged materials.

Research paper thumbnail of Acoustic Emission Interpretation for Estimating Hydraulic Fracture Extent

SPE Gas Technology Symposium, 1988

Research paper thumbnail of Key Site Abandonment Steps in CO2 Storage

Energy Procedia, 2013

ABSTRACT The European Commission published a set of Guidance Documents to assist countries and st... more ABSTRACT The European Commission published a set of Guidance Documents to assist countries and stakeholders to implement the EU Directive 2009/31/EC on geological storage of CO2. The main objectives of the CO2CARE project are closely linked to the three high-level requirements of the Directive with regard to post-closure transfer of liability of a storage site to the relevant competent authority: (i) absence of any detectable leakage, (ii) conformity of actual behaviour of the injected CO2 with the modelled behaviour, and (iii) the storage site is evolving towards a situation of long-term stability. Guidelines for regulatory compliance and “Best Practice” for site abandonment are being established by distillation and integration of all research findings into site closure and abandonment protocols. The work is based on 9 key injection sites in Europe and worldwide.

Research paper thumbnail of Acoustic Emission Interpretation for Estimating Hydraulic Fracture Extent: Laboratory and Field Studies

SPE Annual Technical Conference and Exhibition, 1988

Research paper thumbnail of In Salah CO2 injection modeling: A preliminary approach to predict short term reservoir behavior

Energy Procedia, 2011

... References [1] Ringrose Ph., Atbi M., Mason D., Espinassous M., Myhrer Oyvind, Iding M., Math... more ... References [1] Ringrose Ph., Atbi M., Mason D., Espinassous M., Myhrer Oyvind, Iding M., Mathieson A. and Wright I., Plume development around well KB-502 at the In Salah CO 2 storage site, First ... [5] Feraille Mathieu, Jourdan Astrid, Manceau Emmanuel, Zabalza-Mezghani ...

Research paper thumbnail of Geomechanical Modeling Integrating Subseismic Faults

Asia Pacific Oil and Gas Conference & Exhibition, 2009