Hülya SARAK, PhD, Asst. Prof.

Correspondence
Phone:  +90 (212) 285 62 77
Fax:  +90 (212) 285 62 63
E-Mail:  hulya@itu.edu.tr

Education

Ph.D.:  Istanbul Technical University, Petroleum and Natural Gas Eng. Dept., 2004

Diploma Course in Geothermal Energy Technology:  Auckland University, 1997-1998

M.S.:  Istanbul Technical University, Petroleum and Natural Gas Eng. Dept., 1997

B.Sc.:  Istanbul Technical University, Petroleum  Eng. Dept., 1993

Professional Experience
Assistant Professor, Petroleum and Natural Gas Eng. Dept., ITU, 2007 – to date

Research Assistant, Petroleum and Natural Gas Eng. Dept., ITU, 1995-2007

Academic Activities
Department Associate Head, Petroleum and Natural Gas Eng. Dept., ITU, 2009-to date

Member of Scholarship Committee, Faculty of Mines, ITU, 2008 - to date

Member of Internship Committee, Faculty of Mines, ITU, 2006 - to date

Research Areas

  • Heat and Fluid Flow in Geothermal Reservoirs

  • Geothermal Energy Engineering

  • Natural Gas Engineering

  • Underground Gas Storage

Research Projects
Non-Isothermal Lumped-Parameter Models for Predicting Both Pressure and Temperature Behaviors of Low-Temperature Geothermal Reservoirs, Project 105M018, supported by TUBITAK, 2006-2007.

Evaluation of Production and Reservoir Engineering Performance of Omer-Gecek Geothermal Field-Afyon Project, supported by AFJET A.Þ., 2004-2005.

Modeling and Design of Natural Gas Distribution Network in Konya, Corum and Eregli-Konya Project, supported by Gaznet A.Þ., 2003-2004.

Evaluation of Production and Reservoir Engineering Performance of Balcova Geothermal Field-Izmir Project, supported by Balcova Termal LTD. Þ., 2000-2002.

Affiliations

UCTEA Chamber of Petroleum Engineers - Turkey.

Society of Petroleum Engineers, SPE.

Selected Publications

Onur, M., Sarak, H., Tureyen, O.I.: “Probabilistic Reserve Estimation Based on Volumetric Methods for Oil, Natural Gas and Geothermal Reservoirs”, 17th International Petroleum and Natural Gas Congress and Exhibition of Turkey, May 13-15, 2009, Ankara, 111-117.

Tureyen, O.I., Sarak, H., Onur, M.: “A Generalized Nonisothermal Lumped-Parameter Model for Liquid Dominated Geothermal Reservoirs”, 17th International Petroleum and Natural Gas Congress and Exhibition of Turkey, May 13-15, 2009, Ankara, 230.

Tureyen, O.I., Onur, M., Sarak, H.: “A Generalized Nonisothermal Lumped-Parameter Model for Liquid Dominated Geothermal Reservoirs”, IX. Ulusal Tesisat Mühendisliði Kongresi, Mayýs 6-9, 2009, Izmir, Turkey, 191-209.

Onur, M., Sarak, H., Tureyen, O.I.: “Assessment of Uncertainty in Estimation of Stored and Recoverable Thermal Energy in Geothermal Reservoirs by Volumetric Methods”, IX. Ulusal Tesisat Mühendisliði Kongresi, Mayýs 6-9, 2009, Izmir, Turkey, 211-233.

Tureyen, O.I., Onur, M., Sarak, H.: “A Generalized Non-Isothermal Lumped Parameter Model for Liquid Dominated Geothermal Reservoirs”, 34nd Workshop on Geothermal Reservoir Engineering, Feb. 9-12, 2009, Stanford Un., Stanford, Cal.

Sarak, H., Tureyen, O.I., Onur, M.: “Assessment of Uncertainty in Estimation of Stored and Recoverable Thermal Energy in Geothermal Reservoirs by Volumetric Methods”, 34nd Workshop on Geothermal Reservoir Engineering, Feb. 9-12, 2009, Stanford Un., Stanford, Cal.

Onur, M., Sarak, H., Tureyen, O.I., Çýnar, M., Satman, A.: “A New Non-Isothermal Lumped-Parameter Model for Low Temperature Liquid Dominated Geothermal Reservoirs and Its Applications”, 33nd Workshop on Geothermal Reservoir Engineering, Jan. 28-30, 2008, Stanford Un., Stanford, Cal.

Sarak, H., Tureyen, O.I., Onur, M.:“ Assessing Uncertainty in Future Pressure Changes Predicted by Lumped Parameter Models: Application to Real Fields”, IPETGAS07, 29-31 Mayýs 2007, Ankara.

Tureyen, O.I., Sarak, H., Onur, M.:“Assesing Uncertainty in Future Pressure Changes Predicted by Lumped-Parameter Models: A Field Application”, 32nd Workshop on Geothermal Reservoir Engineering, , Jan 22-24, 2007, Stanford Un., Stanford, Cal.

Sarak, H., Onur, M., Satman, A.:“Lumped-Parameter Models for Low-Temperature Geothermal Fieldds and Their Application ”, Geothermics, 34 (2005), 728-755.

Sarak, H., Satman, A., Onur, M.,:“Lumped Parameter Reservoir Models for Low-Temperature Geothermal Reservoirs”, ÝTÜ Dergisi/d, Vol. 4, No. 3, June 2005, 107-118.

Sarak, H. , Onur, M., Satman, A.:”Field Applications of Lumped Parameter Models for Geothermal Reservoirs”, 15th International Petroleum and Natural Gas Congress and Exhibition of Turkey, 11-13 May, 2005, Ankara.

Korkmaz, E. D., Sarak, H., Onur, M., Satman, A.:”Modeling of Low-Temperature Geothermal Systems Consisting of Shallow and Deep Reservoirs”, 15th International Petroleum and Natural Gas Congress and Exhibition of Turkey, 11-13 May, 2005, Ankara.

Sarak, H., Korkmaz, E. D., Onur, M., Satman, A.:“Problems in the Use of Lumped Parameter Reservoir Models for Low-Temperature Geothermal Fields”, World Geothermal Congress 2005, 24-29 April 2005, Antalya.

Satman, A., Sarak, H., Onur, M., Korkmaz, E. D., ,:“Modeling of Production/Reinjection Behavior of the Kizildere Geothermal Field by a Two-Layer Geothermal Reservoir Lumped Parameter Model”, World Geothermal Congress 2005, 24-29 April 2005, Antalya.

Gok, I. M., Sarak, H., Onur, M., Serpen, U., Satman, A., ,:“Numerical Modeling of the Balcova-Narlidere Geothermal Field, Turkey”, World Geothermal Congress 2005, 24-29 April 2005, Antalya.

Sarak, H., Onur, M., Satman, A.:“Lumped Parameter Models for Low-Temperature Geothermal Reservoirs”, EAGE 66th Conference & Exhibition, 7-10 June 2004, Paris, France.

Sarak, H., Korkmaz, E. D., Onur, M., Satman, A.: “Modeling of Pressure Behaviour of Low-Temperature Geothermal Reservoirs”, IV. National Clear Energy Symposium, 26-28 May 2004, Istanbul, 367-377.

Sarak, H., Onur, M., Satman, A.: "Lumped Parameter Modeling and Applications”, II. Agean Energy Symposium and Exhibition, 26-28 May 2004, Dumlupinar University, Kütahya.

Sarak, H., Gokmen, M., Kaya, E., Satman, A.: “Estimation of Residential Natural Gas Consumption for Kütahya”, II. Agean Energy Symposium and Exhibition, 26-28 May 2004, Dumlupinar University, Kütahya.

Sarak, H.: “Lumped Parameter Models for Low-Temperature Geothermal Reservoirs” Ph.D. Thesis, Istanbul Technical University, Petroleum and Natural Gas Eng. Dept., April 2004.

Sarak, H., Satman, A.: ”Modeling of Geothermal Reservoirs”, VI. Ulusal Tesisat Mühendisliði Kongresi ve Sergisi, 8-11 October 2003, Izmir, 233-256.

Sarak, H., Satman, A.: ”Estimation of Residential Natural Gas Consumption in Gaziantep”, II. Natural Gas & Energy Management Congress, 18-21 September 2003, Gaziantep, 127-134.

Sarak, H., Onur, M., Satman, A.: “Modeling of Low-Temperature Geothermal Reservoirs”, Turkish Journal of Oil and Gas (TJOG), June 2003, Vol. 9, No. 2, 15-27.

Sarak, H., Onur, M., Satman, A.: “Modeling of Low Temperature Geothermal Reservoirs”, 14th International Petroleum Congress and Exhibition of Turkey, 12-14 May, 2003, Ankara, 374-386.

Sarak, H., Satman, A.: “Estimation of Residential Natural Gas Consumption for the Agean Region”, I. Agean Energy Symposium and Exhibition, 22-24 May 2003, Pamukkale University, Denizli, 218-221.

Sarak, H., Onur, M., Satman, A.: “Modeling of Geothermal Reservoirs”, I. Agean Energy Symposium and Exhibition, 22-24 May 2003, Pamukkale University, Denizli, 222-228.

Sarak, H., Onur, M., Satman, A.: ”Applications of  Lumped Parameter Models For Simulation of Low-Temperature Geothermal Reservoirs”, 28th Workshop on Geothermal Reservoir Engineering, Jan 27-29, 2003, Stanford Un., Stanford, Cal.

Sarak, H., Onur, M., Satman, A.:”New Lumped Parameter Models For Simulation of Low-Temperature Geothermal Reservoirs”, 28th Workshop on Geothermal Reservoir Engineering, Jan 27-29, 2003, Stanford Un., Stanford, Cal.

Sarak, H., Satman, A.: “The Degree-Day Method to Estimate the Residential Heating Natural Gas Consumption in Turkey:A Case Study”, ENERGY, 28 (2003) 929-939.

Sarak (Karaalioglu), H., Onur, M., Satman, A.: “The Importance of Natural Recharge on Geothermal Reservoirs”, IV. National Clear Energy Symposium, 16-18 October 2002, Ýstanbul, 629-637.

Sarak, (Karaalioglu) H., Satman, A.: “Residential Natural Gas Consumption Potential for Turkey”, Turkish Journal of Oil and Gas (TJOG), June 2001, Vol. 7, No. 2, 25-36.

Karaalioglu, H., Satman, A.: “Residential Natural Gas Consumption Potential for Turkey”, 13th Petroleum Congress and Exhibition of Turkey, June 2001, Ankara, 467-475.

Tureyen, O.I., Karaalioglu, H., Satman, A.: “Effect of Wellbore Conditions on the Performance of the Underground Gas-Storage”, Paper SPE 59737, the 2000 SPE/CERI Gas Technology Symposium held in Calgary, 3-5 April 2000, Alberta Canada.

Karaalioglu, H..: “A Comparison of Two Wellbore Simulators Using Field Measurements” Diploma Project, October 1998, The University of Auckland, Auckland, New Zealand.

Tureyen, O.I., Karaalioglu, H., Satman, A.: “The Effect of Wellbore Conditions on the Performance of the Underground Gas Storage Reservoirs”, 12th Petroleum Congress and Exhibition of Turkey, October 1998, Ankara, 60-69.

Karaalioglu, H.: “The Need for Underground Gas Storage in Turkey and Modeling of the Northern Marmara Gas Field as a Storage Reservoir”, M.S. Thesis, Istanbul Technical University, Petroleum and Natural Gas Eng. Dept., 1997.

Karaalioglu, H.: “Liquified Natural Gas (LNG)”, B.Sc. Thesis, Istanbul Technical University, Petroleum Eng. Dept., 1993.

Satman, A., Karaalioglu, H.: “The Importance of Underground Gas Storage for Planning of Residential Gas Consumption in Turkey”, 7th Energy Congress of Turkey, November 1997, Ankara, Vol. II, 1-13.

Satman, A., Karaalioðlu, H.: “Use of Northern Marmara Gas Field for Underground Gas Storage Purposes”, Turkish Journal of Oil and Gas (TJOG), February 1997, Vol. III, 16-28.

Satman, A., Karaalioglu, H.: “Possibilities of Underground Gas Storage in Turkey”, 11th Petroleum Congress and Exhibition of Turkey, April 1996, Ankara, 289-299.

Babadaglý, T., Karaalioglu, H.: “Stochastic Transport in Porous Media Representing Correlation”, 11th Petroleum Congress and Exhibition of Turkey, April 1996, Ankara, 149-159.