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Investigation of Hydraulic Fracturing Effect on Production of Natural Reservoir Fractures

Fatehirad, Mansour | 2014

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  1. Type of Document: M.Sc. Thesis
  2. Language: Farsi
  3. Document No: 46638 (06)
  4. University: Sharif University of Technology
  5. Department: Chemical and Petroleum Engineering
  6. Advisor(s): Jamshidi, Saeeid; Pak, Ali
  7. Abstract:
  8. Hydraulic fracturing process as one of the most important ways to inhanse of production requires careful study and investigation and due to its importance has been studied for decades. The effect of this process on the production at oil and gas industry has many complexities and these complexities with the complex structure of natural gaps, would be multiplied. In this thesis effect of hydraulic fracturing operation on the production of natural fractures at naturaly fractured reservoirs from two aspects of hydraulic and geomechanics will be investigated. First we provide models for fractures network by using UDEC software after that investigate the effect of hydraulic farcture on the natural fracture from geomecganics aspect by use of ABAQUS software.
    Effect of this operation on the reservoirs with different fracture density has been evaluated and result show significant impact of fracture length at high-fracture density reservoirs. This is when the low-fracture density reservoirs are more sensitive towards the opening of hydraulic fracture.
    The results show that the growing hydraulic fracture will induce into the natural fracture before the intersection and can open the fractures closed with cement. The effect of various parameters such as the geometry of the gap, in situ stresses, approaching direction, the toughness of cement and different patterns of natural fracture network has also been studied in this thesis
  9. Keywords:
  10. Production ; Hydraulic Fracturing ; Naturally Fractured Reservoir ; In-Situ Stresses ; Cement Toughness

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