Comprehensive Studies on Production Data Analysis of Hydrocarbon Reservoirs

Document Type: Research Paper


1 Department of Petroleum Engineering, Marvdasht Branch, Islamic Azad University, Marvdasht, Iran

2 Department of Petroleum Engineering, School of Chemical and Petroleum Engineering, Shiraz University, Shiraz, Iran


A review of field production data reveals that usually, it is very difficult to apply available decline models because of poor quality and often noisy character of initial data and also unrealistic assumptions of the models. This paper tries to introduce applicable procedures to correct initial data and reproduce missed data. Corrected data are analyzed and finally, the results for permeability and skin factor estimations are compared to results of transient well test analysis. Estimations for Initial Hydrocarbon In Place (IHIP) and reserve are also compared to the results of Material Balance Equation (MBE) and static model through field case studies. It is proved that the analysis can present acceptable estimations for radial permeability and skin values in naturally fractured reservoirs (NFR). Flowing material balance and Buba and Blasingame plotting function model give the best estimations for Original Gas In Place (OGIP) and gas reserve respectively. A simple but useful and applicable method is presented to determine reservoir fracture distribution mapping. It is also showed that the analysis can be used to distinguish water influx successfully.  


[1] Buba IM. Direct estimation of gas reserves using production data. [Doctoral dissertation]. Austin: Texas A&M University; 2004.
[2] Fekkane A, Tiab D. Application of decline-curve analysis technique in oil reservoir using a universal fitting equation. InSPE Permian Basin Oil and Gas Recovery Conference 2001 Jan 1. Society of Petroleum Engineers.
[3] Jikich SA, Popa AS. Hyperbolic Decline Parameter Identification Using Optimization Procedures. InSPE Eastern Regional Meeting 2000 Jan 1. Society of Petroleum Engineers.
[4] Arps JJ. Analysis of decline curves. Transactions of the AIME. 1945 Dec 1;160(01):228-47.
[5] Fetkovich MJ. Decline curve analysis using type curves. InFall Meeting of the Society of Petroleum Engineers of AIME 1973 Jan 1. Society of Petroleum Engineers.

[6] Fetkovich MJ, Vienot ME, Bradley MD, Kiesow UG. Decline curve analysis using type curves: case histories. SPE Formation Evaluation. 1987 Dec 1;2(04):637-56.
[7] Agarwal RG, Gardner DC, Kleinsteiber SW, Fussell DD. Analyzing well production data using combined type curve and decline curve analysis concepts. InSPE Annual Technical Conference and Exhibition 1998 Jan 1. Society of Petroleum Engineers.
[8] Doublet LE, Pande PK, McCollum TJ, Blasingame TA. Decline Curve Analysis Using Type Curves--Analysis of Oil Well Production Data Using Material Balance Time: Application to Field Cases. InInternational petroleum conference and exhibition of Mexico 1994 Jan 1. Society of Petroleum Engineers.
[9] Carter RD. Type curves for finite radial and linear gas-flow systems: constant-terminal-pressure case. Society of Petroleum Engineers Journal. 1985 Oct 1;25(05):719-28.
[10] Da Prat G, Cinco-Ley H, Ramey Jr H. Decline curve analysis using type curves for two-porosity systems. Society of Petroleum Engineers Journal. 1981 Jun 1;21(03):354-62.
[11] Blasingame TA, McCray TL, Lee WJ. Decline curve analysis for variable pressure drop/variable flowrate systems. InSPE gas technology symposium 1991 Jan 1. Society of Petroleum Engineers.
[12] Palacio JC, Blasingame TA. Decline curve analysis using type curves: Analysis of gas well production data. paper SPE. 1993 Apr 26;25909:12-4.
[13] Mattar L, McNeil R. The" flowing" gas material balance. Journal of Canadian Petroleum Technology. 1998 Feb 1;37(02).
[14] Zareenejad MH, Kalantari Asl A, Nasriani HR. Application of decline analysis in fractured reservoirs, field case studies. Journal of Chemical and Petroleum Engineering. 2012 Jun 1;46(1):53-62.

[15] Zareenejad MH, Ghanavati M, Asl AK. Production Data Analysis of Horizontal Wells Using Vertical Well Decline Models, a Field Case Study of an Oil Field. Petroleum Science and Technology. 2014 Feb 16;32(4):418-25.
[16] Zareenejad MH, Kalantari Asl A, Nasriani HR, Zargar G. Analysis and comparison of decline models: A field case study of a naturally fractured gas condensate reservoir. Energy Sources, Part A: Recovery, Utilization, and Environmental Effects. 2015 Feb 16;37(4):392-400.
[17] Aljehani AS, Da Wang Y, Rahman SS. An innovative approach to relative permeability estimation of naturally fractured carbonate rocks. Journal of Petroleum Science and Engineering. 2018 Mar 1;162:309-24.
[18] Artus V, Houzé O. A Physical Decline Curve For Fractured Horizontal Wells. InUnconventional Resources Technology Conference, Houston, Texas, 23-25 July 2018 2018 Sep 28 (pp. 3498-3516). Society of Exploration Geophysicists, American Association of Petroleum Geologists, Society of Petroleum Engineers.
[19] Zhang X, Xue Y, Ding G. Probabilistic Performance Forecasting in History Matching of Low Permeability Reservoirs. InSPE Kingdom of Saudi Arabia Annual Technical Symposium and Exhibition 2017 Jun 1. Society of Petroleum Engineers.
[20] Masini SR, Goswami S, Kumar A, Chennakrishnan B. Decline curve analysis using artificial intelligence. InAbu Dhabi International Petroleum Exhibition & Conference 2019 Nov 11. Society of Petroleum Engineers.
[21] Dake, L. P. Fundamentals of Reservoir Engineering. 17th Ed. Chapter 5, Netherlands: Shell Learning and Development Pub. Co.; 2003.
[22] Streeter VL. Fluid Mechanics. 3rd Ed. Chapter 6, New York City: McGraw-Hill Book Co.; 1962 .
[23] Briil JP, and Beggs HD. Two Phase Flow in Pipes. 6th. Ed., USA: Elsevier Scientific Publ. Co.; 1991 .
[24] Terry RE, Rogers JB, Craft BC. Applied petroleum reservoir engineering. Pearson Education; 2015.
[25] Van Golf-Racht TD. Fundamentals of fractured reservoir engineering. Elsevier; 1982 Apr 1.
[26] Shahverdi HR. Determining of fractured reservoir properties by decline rate. Tehran: Tehran University. 2005.