Is Ziarat a Potential Site for Conventional or Unconventional Energy Resources?
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Is Ziarat a Potential Site for Conventional or Unconventional Energy Resources?
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We are grateful to the Directorate General of Petroleum concession, Islamabad for sharing data. The instrumentation used in this study and all logistic support for the fieldwork was provided by the NCEG, which is gratefully acknowledged.

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    A structural interpretation of the Ziarat block in the Balochistan region (a part of the Suleiman Fold and Thrust Belt) has been carried out using seismic and seismological data. Seismic data consists of nine 2.5D pre-stack migrated seismic lines, whereas the seismological data covers the Fault Plane Solution and source parameters. Structural interpretation describes two broad fault sets of fore and back thrusts in the study area that have resulted in the development of pop-up structures, accountable for the structural traps and seismicity pattern in terms of seismic hazard. Seismic interpretation includes time and depth contour maps of the Dungan Formation and Ranikot group, while seismological interpretation includes Fault Plane Solution, that is correlated with a geological and structural map of the area for the interpretation of the nature of the subsurface faults. Principal stresses are also estimated for the Ranikot group and Dungan Formation. In order to calculate anisotropic elastic properties, the parameters of the rock strength of the formations are first determined from seismic data, along with the dominant stresses (vertical, minimum horizontal, and maximum horizontal). The differential ratio of the maximum and minimum horizontal stresses is obtained to indicate optimal zones for hydraulic fracturing, and to assess the potential for geothermal energy reservoir prospect generation. The stress maps indicate high values towards the deeper part of the horizon, and low towards the shallower part, attributed to the lithological and structural variation in the area. Outcomes of structural interpretation indicate a good correlation of structure and tectonics from both seismological and seismic methods.

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Sarfraz KHAN, Umair Bin NISAR, Khawar A. AHMED, Muhammad WASEEM, Waqas AHMED.2018. Is Ziarat a Potential Site for Conventional or Unconventional Energy Resources?[J]. ACTA GEOLOGICA SINICA(English edition),92(4):1544~1557

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  • 收稿日期:2017-11-10
  • 最后修改日期:2018-02-22
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  • 在线发布日期: 2018-08-21
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