A Brief Note On The Islamic Republic Of Pakistan

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Table of Contents: Page No. 1.0 Management Summary 2 2.0 Introduction 2 3.0 Regional setting and location 3 3.1 Petroleum Geology 4.0 Appraisal programme 4 4.1 Exploration history 4.2 Data procurement 4.3 Well results 5.0 Economic and commercial considerations 5.1 Licence terms 5.2 Production forecast 6.0 Conclusion 7.0 References 1.0 Introduction: The Islamic Republic of Pakistan is a sovereign nation situated in South Asia having the expansive sedimentary basin covering more than 827,000 Sq. Km and spread over both onshore and offshore. The total evaluated reserves of Pakistan are 27 billion barrels of oil and 280 trillion cubic feet of…show more content…
The Haseeb Gas field is situated in Lower Indus Basin within the Jacobabad-Khairpur high tectonic structure. The Jacobabad-Khairpur feature was developed by domal uplifting during the Early Cretaceous and later on along deep-seated faults in the Late Cretaceous and Palaeocene. The presence of Jurassic rocks in the area show deposition during rifting. On the Jacobabad-Khairpur high, Eocene carbonates (Sui Main Limestone) are broadly distributed and form good hydrocarbon reservoirs (Intergrated Petroleum Consultants (PVT) Limited Islamabad Pakistan & GSM INC., 2007) Petroleum Geology: Haseeb gas field structure was outlined by a seismic survey acquitted in 2004-2005. It is a well formed, gently plunging anticline oriented in an NW-SE direction. The extent of the structure is about 15 sq. km with the vertical closure of 69 m approximately shown in Figure 2. The structure is cut by the two normal faults on the Northern side having 15-20m throw. The primary target for the Haseeb well-1 was to encounter the Eocene Sui Main Limestone which is the producing reservoir in the vicinity small and large gas fields, including the world-class Sui gas field at the depth of 1048mKB. The 746m thick Eocene shale dominated Ghazij Formation promptly above Sui Main Limestone is forming an adequate regional seal for thick carbonate reservoir. The carbonate reservoir zone demonstrates more than 20% porosity within the Haseeb gas field. The
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