Use of a New Well Productivity Model and Post-Frac Rate-Transient Data Analysis to Evlauate Production Potential of Refracturing Horizontal Wells in Shale Oil Reservoirs
- Xu Yang (Southwest Petroleum University) | Boyun Guo (University of Louisiana at Lafayette) | Xiaohui Zhang (University of Louisiana at Lafayette)
- Document ID
- Society of Petroleum Engineers
- SPE Eastern Regional Meeting, 15-17 October, Charleston, West Virginia, USA
- Publication Date
- Document Type
- Conference Paper
- 2019. Society of Petroleum Engineers
- Oil, Refracturing, Horizontal, Wells, Shale
- 7 in the last 30 days
- 78 since 2007
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Production data and analytical models derived from coupling the linear flow in the reservoir and the linear flow in hydraulic fractures were used in this study to optimize fracture spacing for maximizing productivity of shale oil and gas wells through refracturing. This study concludes that productivity of multi-fractured horizontal wells is inversely proportional to the fracture spacing. The shortest possible fracture spacing should be used to maximize well productivity through refracturing. This supports the practice of massive volume fracturing where as many as perforation clusters with the shortest possible spacing are used for pumping massive proppant into the created hydraulic fractures. Production data analysis indicates that the multi-fractured horizontal oil and gas wells could have higher productivity if they were fractured with less perforation cluster spacing. Mathematical model analysis implies that reducing the cluster spacing from 70 ft to 15 ft through refracturing can doubled well productivity, with the Minimum Required Cluster Spacing (MRCS) determined by well completion constraints (packers, perforation clusters, and casing couplings). Result can be checked for fracture trend interference on the basis of analyses of pressure transient data or production data.
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Alotaibi, B., Schechter, D., and Wattenbarger, R. A. 2015. Production Forecast, Analysis and Simulation of Eagle Ford Shale Oil Wells. Presented at the SPE Middle East Unconventional Resources Conference and Exhibition, Muscat, Oman, 26-28 January. SPE-172929-MS. https://doi.org/10.2118/172929-MS.
Bajwa, A. I. and Blunt, M. J. 2016. Early-Time 1D Analysis of Shale-Oil and –Gas Flow. SPE Journal 21 (4): 1254-1262. SPE-179742-PA. https://doi.org/10.2118/179742-PA.
Chaudhary, A. S., Ehlig-Economides, C., and Wattenbarger, R. 2011. Shale Oil Production Performance from a Stimulated Reservoir Volume. Presented at the SPE Annual Technical Conference and Exhibition, Denver, Colorado, 30 October – 2 November. SPE-147596-MS. https://doi.org/10.2118/147596-MS.
Cheng, Y. 2011. Pressure transient characteristics of hydraulically fractured horizontal shale gas wells. Presented at the SPE Eastern Regional Meeting, Columbus, Ohio, 17-19 August. SPE-149311-MS. https://doi.org/10.2118/149311-MS.
Gong, X., Tian, Y., McVay, D. A.. 2013. Assessment of Eagle Ford Shale Oil and Gas Resources. Presented at the SPE Unconventional Resources Conference Canada, Calgary, Alberta, Canada, 5–7 November. SPE-167241-MS. https://doi.org/10.2118/167241-MS.
Guo, B., Shan, J., and Feng, Yin: "Productivity of Blast-Fractured Wells in Liquid-Rich Shale Gas Formations," Journal of Natural Gas Science and Engineering (April 14, 2014). 18C, pp. 360-367. DOI: 10.1016/j.jngse.2014.03.018.
Guo, B., Yu, X., and Khoshgahdam, M. 2009. A Simple Analytical Model for Predicting Productivity of Multifractured Horizontal Wells. SPE Reservoir Evaluation & Engineering 12 (6): 879-885. SPE 114452-PA. https://doi.org/10.2118/114452-PA.
Jenkins, C. D. and Boyer II, C. M. 2008. Coalbed- and shale-gas reservoirs. Journal of Petroleum Technology 60 (2): 92-99. SPE-103514-JPT. https://doi.org/10.2118/103514-JPT.
Li, J., Guo, B., & Ling, K. 2012. Case Studies Suggest Heterogeneity Is a Favorable Characteristic of Shale Gas Reservoirs, paper SPE-162702 presented at the SPE Canadian Unconventional Resources Conference, Calgary, Alberta, Canada, 30 October – 1 November. https://doi.org/10.2118/162702-MS
Makinde, I. and Lee, J. 2016. Forecasting Production of Shale Volatile Oil Reservoirs using Simple Models. Presented at the SPE/IAEE Hydrocarbon Economics and Evaluation Symposium, Houston, Texas, 17-18 May. SPE-179964-MS. https://doi.org/10.2118/179964-MS.
Mississippi State Oil and Gas Board: http://www.ogb.state.ms.us/TMSDevelopment.php.
Orangi, A., Nagarajan, N. R., Honarpour, M. M.. 2011. Unconventional Shale Oil and Gas-Condensate Reservoir Production, Impact of Rock, Fluid, and Hydraulic Fractures. Presented at the SPE Hydraulic Fracturing Technology Conference and Exhibition, The Woodlands, Texas, 24-26 January. SPE-140536-MS. https://doi.org/10.2118/140536-MS.
Pang, W., Wu, Q., and He, Y. 2015. Production analysis of one shale gas reservoir in China. Presented at the SPE Annual Technical Conference and Exhibition, Houston, Texas, 28-30 September, SPE-174998-MS. https://doi.org/10.2118/174998-MS
Rafiee, M., Soliman, M. Y., and Pirayesh, E. 2012. Hydraulic fracturing design and optimization: a modification to Zipper frac. Presented at the SPE Easter Regional Meeting, Lexington, Kentucky, 3-5 October. SPE-159786-MS. https://doi.org/10.2118/159786-MS.
Stewart, G. 2014. Integrated analysis of shale gas well production data. Presented at the SPE Asia Pacific Oil & Gas Conference and Exhibition, Adelaide, 14-16 October. SPE-171420-MS. https://doi.org/10.2118/171420-MS.
Sun, H., Zhou, D., Chawathé, A.. 2016. Quantifying shale oil production mechanisms by integrating a Delaware basin well data from fracturing to production. Presented at the Unconventional Resources Technology Conference, San Antonio, Texas, 1-3 August. URTEC-2425721-MS. https://doi.org/10.15530/URTEC-2016-2425721.
Tran, T., Sinurat, P., and Wattenbarger, B. A. 2011. Production Characteristics of the Bakken Shale Oil. Presented at the SPE Annual Technical Conference and Exhibition, Denver, Colorado, 30 October-2 November. SPE-145684-MS. https://doi.org/10.2118/145684-MS.
Vicente, R. and Ertekin, T. 2006. Modeling of coupled reservoir and multifractured horizontal well flow dynamics. Presented at the SPE Annual Technical Conference and Exhibition, San Antonio, Texas, 24-27 September. SPE-101929-MS. https://doi.org/10.2118/101929-MS.
Wan, J. and Aziz, K. 2002. Semi-Analytical well model of horizontal wells with multiple hydraulic fractures. SPE Journal 7 (4): 437-445. SPE-81190-PA. https://doi.org/10.2118/81190-PA.
Wang, J. and Liu, Y. 2011. Well performance modelling of Eagle Ford shale oil reservoirs. Presented at the SPE North American Unconventional Gas Conference and Exhibition, The Woodlands, Texas, 14-16 June. SPE-144427-MS. https://doi.org/10.2118/144427-MS.
Yang, C., Sharma, V. K., Datta-Gupta, A.. 2015. A Novel Approach for Production Transient Analysis of Shale gas/Oil Reservoirs. Presented at the Unconventional Resources Technology Conference, San Antonio, Texas, 20-22 July. SPE-178714-MS/URTeC-2176280-MS. https://doi.org/10.15530/URTEC-2015-2176280.
Yu, W., Xu, Y., Weijermars, R.. 2017. Impact of Well Interference on Shale Oil Production Performance: a Numerical Model for Analyzing Pressure Response of Fracture Hits with Complex Geometries. Presented at the SPE Hydraulic Fracturing Technology Conference and Exhibition, The Woodlands, Texas, 24-26 January. SPE-184825-MS. https://doi.org/10.2118/184825-MS.
Zerzar, A. and Bettam, Y. 2003. Interpretation of multiple hydraulically fractured horizontal wells in closed systems. Presented at the SPE International Improved Oil Recovery Conference in Asia Pacific, Kuala Lumpur, 20-21 October. SPE-84888-MS. https://doi.org/10.2118/84888-MS.