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AAPG Distinguished Lecture Tour 2013-14: Patrick W.M. Corbett – Is our carbonate reservoir fractured? – Engineering says yes and Geology says no!

2014-05-27 in Events

Minden érdeklődőt szeretettel várnak a szervezők az AAPG Distinguished Lecture Tour keretén belül megrendezésre kerülő előadásra.
Előadó: Patrick Corbett
BG Group Professor of Carbonate Petroleum Geoengineering, University Federal do Rio de Janeiro, Heriot-Watt University
Időpont: május 30., péntek 13 óra

További részletek az előadóról és a témáról:



AAPG Distinguished Lecture Tour 2013-14

Patrick W.M. Corbett

BG Group Professor of Carbonate Petroleum Geoengineering

University Federal do Rio de Janeiro, Heriot-Watt University


Lecture topics (of approximately 1 hour length)

Topic one: 

Is our carbonate reservoir fractured? – Engineering says yes and Geology says no!

Information on fractured reservoirs is often controversial.  Engineers see lost circulation, negative skin and fracture well test signatures.  Geologists see only matrix properties in their cores.  Geologists see fractures but engineers see only radial flow on their well tests.  In many cases, the two lines of information concur and the evidence is uncontroversial.  In other cases the information is not so clear.  Engineering data is notoriously non-unique and because carbonate reservoirs have such high heterogeneity – over 30 possible forms of porosity – and many ways this can be connected (or not!) this is a real challenge.  What is seen by geologists in small cores may not be seen in larger well tests.  Alternatively what is ‘seen’ in the well tests may bear no link to the observed rocks.  It is in these circumstances that the two specialists need to come together and understand each others points of view and the limitations of each other’s data.  This requires specialist knowledge with geoengineering insights to try and reach unification of geological and engineering models.  All models are wrong – but the one both disciplines agree with is probably useful.

Topic two: 

Closing the loop between geology and reservoir engineering in the building, calibration and history-matching of carbonate reservoir models.

It is quite common for reservoir engineers to adjust the geological modelling without recoursing to the geologists by multiplying the porosity, the permeability, the anisotropy (kv/kh), the relative permeabilities, the well factors and many other parameters within their numerical world.  Sometimes these factors can be large and global and probably outside the limits of the geological reality.  Of course it is not easy to go back and make these adjustments in a close cooperative environment for all sorts of reason – logistical, technical, management, contractual to name a few.  Rarely are these adjustments discussed and certainly there are very few published examples where the loop has been closed.  This talk will attempt to illustrate where and how multipliers are applied, what might be the reasons and how the workflows could be streamlined to make closing-the-loop a routine process rather than an occasional occurrence.








Professor Patrick Corbett, PhD, DSc, FGS, FRSE

Patrick Corbett graduated in 1977 with a degree in Geology (Exeter University) followed by a MSc in Micropalaeontology in 1978 (University College London), a postgraduate Diploma in Geological Statistics in 1982 (Kingston University), a PhD in Petroleum Engineering (Geopseudo Upscaling, 1993, Heriot-Watt University) and a DSc “Petroleum Geoengineering” (Heriot-Watt University – July 2006).


From 1978, Patrick worked for 11 years in industry in various positions in international exploration and development geoscience for Unocal in theUK,NetherlandsandIndonesia.

Since coming toHeriot-WattUniversityin 1989, his research focus has been on the integration of geoscience and engineering through geological analysis, petrophysical measurement and flow modelling.  Current research areas include permeability anisotropy modelling, well test interpretation, dynamic upscaling, and genetic petrophysics.  He has been closely involved in the Master’s course in Reservoir Evaluation and Management since its inception, a unique course designed to teach the integrated nature of reservoir description and modelling to geologists, petrophysicists, geophysicists, computer scientists and petroleum engineers.  He has been involved in research initiatives in the broader Energy field and Sustainability – particularly with respect to the Petroleum Industry and links to Marine Renewables as Head of the Energy Academy at Heriot-Watt University. In January 2012, after many years as the Total Professor, he took up a Visiting Professorship at UFRJ in Rio as the BG Group Professor of Carbonate Petroleum Geoengineering.

He is a member of AAPG, EAGE, SEG, PESGB, SCA, SPE, SPWLA, a Fellow of the Geological Society, a Chartered Geologist and a Chartered Scientist.  He is an Associate Editor of First Break.  He has published 70 reviewed journal papers, and is a co-author of books entitled “Statistics for Petroleum Engineers and Geoscientists” and “Cores from the Northwest European Hydrocarbon Province”.  Patrick was an EAGE Distinguished Lecturer (Petroleum Geoengineering) for 1998 and an SPE Distinguished Lecturer (Integration of Geology and Well Testing) for 1998-9.  He was SCA VP Arrangements for 2001.  From 2003- 2009 he was Head of the Institute of Petroleum Engineering and from 2009-12 Head of the Energy Academy.  He was Sub-Dean of Heriot-Watt University from 2002-5.  In 2005, he was awarded the Wegener Medal by the EAGE for the integration of geoscience and geoengineering.  He was SPE EUROPEC Chairman for Madrid 2005.  Patrick was awarded the 2006 SPE Europe and Russia Regional Technical Award for Distinguished Contribution to Petroleum Engineering in the Area of Reservoir Description and Dynamics. This award recognised his “..long years of dedicated service to the industry, singular devotion of time and effort to the programme and development of your section and region, and our Society”.  He was the 2009 SEG/EAGE Distinguished Instructor delivering a one-day course in Petroleum Geoengineering in 26 international locations. In 2010, he became a Fellow of the Royal Society of Edinburgh.




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