Lithologic Reservoirs ›› 2024, Vol. 36 ›› Issue (4): 169-177.doi: 10.12108/yxyqc.20240415

• PETROLEUM ENGINEERING AND OIL & GAS FIELD DEVELOPMENT • Previous Articles     Next Articles

Numerical simulation of fracture propagation law of in-fracture temporary plugging and diverting fracturing in tight reservoirs

TANG Shukai1, GUO Tiankui2, WANG Haiyang2, CHEN Ming2   

  1. 1. Dongsheng Jinggong Petroleum Development Group Co., Ltd., Sinopec Shengli Oilfield Company, Dongying 257000, Shandong, China;
    2. School of Petroleum Engineering, China University of Petroleum, Qingdao 266580, Shandong, China
  • Received:2022-12-20 Revised:2023-03-14 Online:2024-07-01 Published:2024-07-04

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Abstract: Based on the theory of damage mechanics，a numerical model of reservoir flow-stress-damage coupling fracture propagation was established，and it was verified by comparing with inddor true triaxial hydraulic fracturing physical simulation experiment results. What’s more，the influences of fracturing fluid viscosity，displacement，horizontal stress difference and reservoir rock heterogeneity on in-fracture temporary plugging and diverting fracturing were discussed. The results show that：（1）The numerical model of reservoir flow-stress- damage coupling fracture propagation is a combination of fluid flow control equation and rock deformation equation to form an overall control equation，and the temporary plugging in the fracture can be simulated by artificially setting high-strength rock physical and mechanical parameters and small reservoir permeability values in a certain area along the initial fracture propagation path.（2）The numbers of branch fractures，area of main fractures，and extension direction of main fracture in numerical simulation of in-fracture temporary plugging and diverting fracturing fracture propagation model are basically consistent with the results of indoor true triaxial hydraulic fracturing physical simulation experiment results. This model can achieve the simulation of matrix fracture and new fracture extension after temporary plugging in fractures，and also has a good simulation effect on the situation of in-fracture temporary plugging and diverting fracturing fracture propagation.（3）The larger the viscosity and displacement of fracturing fluid，the greater the length，reconstruction area and deflection angle of in-fracture temporary plugging and diverting fracturing fracture，and single fractures gradually transition to complex fractures. When the horizontal stress difference is less than 7.5 MPa，the effect of in-fracture temporary plugging and diverting fracturing is better. When the horizontal stress difference is 10-15 MPa，the fracturing effect deteriorates. When the horizontal stress difference is greater than 15 MPa，the fractures hardly deflect. Reservoir heterogeneity can affect the local propagation path of fractures，but has little impact on the overall propagation trend of fractures.

Key words: tight reservoirs, in-fracture temporary plugging and diverting fracturing, numerical model of fracture propagation, true triaxial hydraulic fracturing physical simulation, fracture deflection, damage mechanics, horizontal stress difference, heterogeneity

CLC Number: 

  • TE357.1
[1] 王永辉,卢拥军,李永平,等.非常规储层压裂改造技术进展及应用[J].石油学报,2012,33(1):149-158. WANG Yonghui,LU Yongjun,LI Yongping,et al. Progress and application of hydraulic fracturing technology in unconventional reservoir[J]. Acta Petrolei Sinica,2012,33(1):149-158.
[2] 王拓,朱如凯,白斌,等.非常规油气勘探、评价和开发新方法[J].岩性油气藏,2013,25(6):35-39. WANG Tuo,ZHU Rukai,BAI Bin,et al. New methods for the exploration,evaluation and development of unconventional reservoirs[J]. Lithologic Reservoirs,2013,25(6):35-39.
[3] MAYERHOFER M J,LOLON E,WARPINSKI N R,et al. What is stimulated reservoir volume?[J]. SPE Production&Operations,2010,25(1):89-98.
[4] 苏皓,雷征东,张荻萩,等.致密油藏体积压裂水平井参数优化研究[J].岩性油气藏,2018,30(4):140-148. SU Hao,LEI Zhengdong,ZHANG Diqiu,et al. Volume fracturing parameters optimization of horizontal well in tight reservoir[J]. Lithologic Reservoirs,2018,30(4):140-148.
[5] GUO Tiankui,ZHANG Shicheng,QU Zhanqing,et al. Experimental study of hydraulic fracturing for shale by stimulated reservoir volume[J]. Fuel,2014,128:373-380.
[6] 张雄,王晓之,郭天魁,等.顺北油田缝内转向压裂暂堵剂评价实验[J].岩性油气藏,2020,32(5):170-176. ZHANG Xiong,WANG Xiaozhi,GUO Tiankui,et al. Experiment on evaluation of temporary plugging agent for in-fracture steering fracturing in Shunbei oilfield[J]. Lithologic Reservoirs,2020,32(5):170-176.
[7] LIU Xiaoqiang,QU Zhanqing,GUO Tiankui,et al. Numerical simulation of non-planar fracture propagation in multi-cluster fracturing with natural fractures based on lattice methods[J]. Engineering Fracture Mechanics,2019,220:106625.
[8] 曾义金.深层页岩气开发工程技术进展[J].石油科学通报, 2019,4(3):233-241. ZENG Yijin. Progress in engineering technologies for the development of deep shale gas[J]. Petroleum Science Bulletin,2019, 4(3):233-241.
[9] 蒋廷学,王海涛,卞晓冰,等.水平井体积压裂技术研究与应用[J].岩性油气藏,2018,30(3):1-11. JIANG Tingxue,WANG Haitao,BIAN Xiaobing,et al. Volume fracturing technology for horizontal well and its application[J]. Lithologic Reservoirs,2018,30(3):1-11.
[10] WANG Bo,ZHOU Fujian,LIANG Dongbing,et al. Numerical simulation on near-wellbore temporary plugging and diverting during refracturing using XFEM-Based CZM[J]. Journal of Natural Gas Science and Engineering,2018,55:368-381.
[11] YUAN Lishan,ZHOU Fujian,LI Ben,et al. Experimental study on the effect of fracture surface morphology on plugging efficiency during temporary plugging and diverting fracturing[J]. Journal of Natural Gas Science and Engineering,2020,81:103459.
[12] LI Wei,ZHAO Huan,PU Hui,et al. Study on the mechanisms of refracturing technology featuring temporary plug for fracturing fluid diversion in tight sandstone reservoirs[J]. Energy Science&Engineering,2019,7(1):88-97.
[13] YANG Chen,FENG Wei,ZHOU Fujian. Formation of temporary plugging in acid-etched fracture with degradable diverters[J]. Journal of Petroleum Science and Engineering,2020,194:107535.
[14] BIOT M A. Theory of elasticity and consolidation for a porous anisotropic solid[J]. Journal of Applied Physics,1955,26(2):182-185.
[15] GUO Tiankui,ZHANG Shicheng,ZOU Yushi,et al. Numerical simulation of hydraulic fracture propagation in shale gas reservoir[J]. Journal of Natural Gas Science and Engineering,2015, 26:847-856.
[16] RUI Zhenhua,GUO Tiankui,FENG Qiang,et al. Influence of gravel on the propagation pattern of hydraulic fracture in the glutenite reservoir[J]. Journal of Petroleum Science and Engineering,2018,165:627-639.
[17] YANG Zhaozhong,YI Liangping,LI Xiaogang,et al. Wellbore temperature and pressure calculation model for supercritical carbon dioxide jet fracturing[J]. Energy Sources,Part A:Recovery,Utilization,and Environmental Effects,2019,41(2):185-200.
[18] WEIBULL W. A statistical distribution function of wide applicability[J]. Journal of Applied Mechanics,1951,13(2):293-297.
[19] WONG T F,WONG R H C,CHAU K T,et al. Microcrack statistics,weibull distribution and micromechanical modeling of compressive failure in rock[J]. Mechanics of Materials,2006, 38(7):664-681.
[20] KUMAR H,ELSWORTH D,MATHEWS J P,et al. Permeability evolution insorbing media:Analogies between organic-rich shale and coal[J]. Geofluids,2015,16(1):43-55.
[21] GUO Tiankui,TANG Songjun,LIU Shun,et al. Physical simulation of hydraulic fracturing of large-sized tight sandstone outcrops[J]. SPE Journal,2021,26(1):372-393.
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