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Title: The Influence of an Interlayer on Dual Hydraulic Fractures Propagation

Journal Article · · Energies (Basel)
DOI: https://doi.org/10.3390/en13030555 · OSTI ID:1631629
 [1];  [1];  [2];  [2];  [3];  [4];  [4]
  1. Dalian Univ. of Technology, Dalian (China)
  2. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
  3. Northeastern Univ., Shenyang (China)
  4. Oil Production Technology Research Inst., Sinopec Shengli Oilfield Company, Dongying (China)

Multi-cluster hydraulic fracturing of long-range horizontal wells is an approach for enhancing the productivity of low-permeability shale reservoirs. In this study, RFPA-Petrol (rock failure process analysis on petroleum problems) is applied for modeling hydraulic fracture propagation in multilayered formations. RFPA-Petrol based on coupled hydraulic-mechanical-damage (HMD) modeling was first tested by modeling a laboratory scale experiment on a physical (cement) model with a single completion. The modeling demonstrated the capability of RFPA-Petrol for simulating hydraulic fracture propagation. Then, we used RFPA-Petrol to investigate how the difference in material properties between oil-bearing layers and interlayers and the fracturing fluid properties influence the propagation of dual fractures in multilayered laboratory-scale models. In this case, the models with geological discontinuities in the vertical direction are strongly heterogeneous and RFPA-Petrol simulations successfully modeled the fracture configurations.

Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Organization:
China Scholarship Council; National Natural Science Foundation of China (NNSFC); National Science, Technology Major Project of China; USDOE Office of Science (SC)
Grant/Contract Number:
AC02-05CH11231
OSTI ID:
1631629
Journal Information:
Energies (Basel), Journal Name: Energies (Basel) Journal Issue: 3 Vol. 13; ISSN 1996-1073; ISSN ENERGA
Publisher:
MDPI AGCopyright Statement
Country of Publication:
United States
Language:
English

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