Experimental Study on Fracture Conductivity in Hydraulic Fracturing

Abstract

Due to high strength, ceramic is used in deep and ultra-deep reservoir, and sand is used in shallow reservoir. However, sand is cheaper than ceramic. In the field, the mixture of these two proppants have been pumped to improve the economic production. At present, there is no one to evaluate the conductivity of proppants with mixture of sand and ceramic. In this paper, the different ratio of sand and ceramic were designed to evaluate the fracture conductivity, the results were empirical formula, which could help optimize the combined proppants in field.

Keywords

• Closure stress; Ceramic; Conductivity cell; Hydraulic fracture

References

1. [1]. API RP 27 - RECOMMENDED PRACTICE FOR DETERMINING PERMEABILITY OF POROUS MEDIA THIRD EDITION (R 1956) (WITHDRAWN) | Engineering360. (n.d.). Retrieved June 18, 2017, from http://standards.globalspec.com/std/554507/api-rp-27[2]. API RP 61 - Recommended Practices for Evaluating Short Term Proppant Pack Conductivity | Engineering360. (n.d.). Retrieved June 18, 2017, from http://standards.globalspec.com/std/61555/api-rp-61[3]. Chao, L., Zhihong, Z., Jianchun, G., & Shengchuan, Z. (2016). Experimental study on conductivity decline with proppant embedment in tight oil reservoir. Petroleum Geology and Recovery Efficiency, 23(4), 122–126.[4]. Core Laboratories: Proppant Conductivity Evaluation System - FCS-842. (n.d.). Retrieved June 18, 2017, from http://www.corelab.com/cli/drilling-and-stimulation/proppant-conductivity-evaluation-system-fcs-842[5]. Duenckel, R., Moore, N., O’Connell, L., Abney, K., Drylie, S., & Chen, F. (2016). The Science of Proppant Conductivity Testing- Lessons Learned and Best Practices. Presented at the SPE Hydraulic Fracturing Technology Conference, Society of Petroleum Engineers. https://doi.org/10.2118/179125-MS[6]. Gidley, J. L. (1989). Recent advances in hydraulic fracturing. Retrieved from https://www.osti.gov/scitech/biblio/6558063[7]. ISO 13503-5 Procedures for measurement. (n.d.).[8]. Jian-chun, G. U. O. (2008). Experimental research on proppant embedment. Journal of China Coal Society, 33(6), 661–664.[9]. Keshavarz, A., Badalyan, A., Johnson, R., & Bedrikovetsky, P. (2016). Productivity enhancement by stimulation of natural fractures around a hydraulic fracture using micro-sized proppant placement. Journal of Natural Gas Science and Engineering, 33, 1010–1024. https://doi.org/10.1016/j.jngse.2016.03.065[10]. Kunnath Aven, N., Weaver, J., Loghry, R., & Tang, T. (2013). Long-Term Dynamic Flow Testing of Proppants and Effect of Coatings. Presented at the SPE European Formation Damage Conference & Exhibition, Society of Petroleum Engineers. https://doi.org/10.2118/165118-MS[11]. Lacy, L. L., Rickards, A. R., & Bilden, D. M. (1998). Fracture Width and Embedment Testing in Soft Reservoir Sandstone. SPE Drilling & Completion, 13(01), 25–29. https://doi.org/10.2118/36421-PA[12]. Palisch, T. T., Duenckel, R., Chapman, M. A., Woolfolk, S., & Vincent, M. (2010). How To Use and Misuse Proppant Crush Tests: Exposing the Top 10 Myths. SPE Production & Operations, 25(03), 345–354. https://doi.org/10.2118/119242-PA[13]. Shah, S. N., Vincent, M. C., Rodriquez, R. X., & Palisch, T. T. (2010). Fracture Orientation And Proppant Selection For Optimizing Production In Horizontal Wells. Presented at the SPE Oil and Gas India Conference and Exhibition, Society of Petroleum Engineers. https://doi.org/10.2118/128612-MS[14]. Szymanska, J., Wisniewski, P., Wawulska-Marek, P., Malek, M., & Mizera, J. (2016). Selecting key parameters of the green pellets and lightweight ceramic proppants for enhanced shale gas exploitation. In F. Iacoviello, L. Reis, M. Fonte, M. Freitas, & V. Infante (Eds.), Xv Portuguese Conference on Fracture, Pcf 2016 (Vol. 1, pp. 297–304). Amsterdam: Elsevier Science Bv.[15]. Vlis, V. D., C, A., Haafkens, R., Schipper, B. A., & Visser, W. (1975). Criteria For Proppant Placement and Fracture Conductivity. Presented at the Fall Meeting of the Society of Petroleum Engineers of AIME, Society of Petroleum Engineers. https://doi.org/10.2118/5637-MS[16]. Wen, Q., Zhang, S., Wang, L., Liu, Y., & Li, X. (2007). The effect of proppant embedment upon the long-term conductivity of fractures. Journal of Petroleum Science and Engineering, 55(3), 221–227. https://doi.org/10.1016/j.petrol.2006.08.010[17]. Zhang, J., Zhu, D., & Hill, A. D. (2016). Water-Induced Damage to Propped-Fracture Conductivity in Shale Formations. SPE Production & Operations, 31(02), 147–156. https://doi.org/10.2118/173346-PA