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Ghadames Basin Require a Certain Edge TROUDI H. REZOUGA N. & - PowerPoint PPT Presentation

Shale Gas Workshop Oran, Algeria 27- 29 February 2012 The Unconventional Gas Play in Tunisia Ghadames Basin Require a Certain Edge TROUDI H. REZOUGA N. & MESKINI A. troudi@etap.com.tn Why is it Called Unconventional?


  1. Shale Gas Workshop – Oran, Algeria 27- 29 February 2012 The Unconventional Gas Play in Tunisia Ghadames Basin Require a Certain Edge TROUDI H. REZOUGA N. & MESKINI A. troudi@etap.com.tn

  2. Why is it Called “Unconventional”? ● Conventional Methods DON’T WORK; ● Resource Type, Reservoir & Trap Poorly Understood; ● Difficult to Produce Using Conventional Drilling and Completion Techniques; ● DST’s Often Yield Nothing. IT’S NOT CONVENTIONAL

  3. Factors Governing GIP in Shale Total Gas = Free Gas + Adsorbed Gas + Solution Gas Free Gas in Pores Adsorbed Gas Solution Gas and Fracture ● Area ● Area ● Area ● Thickness ● Thickness ● Thickness ● Pressure ● Pressure ● Pressure ● Temperature ● TOC ● Temperature ● Porosity ● Content ● Total Bitunmen Liptinite content ● Maturity ● Gas Saturation ● Maturity

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