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Methods of Decline Curve Analysis for Shale Gas Reservoirs

Figure 2. Shale samples. (a) Outcrop of natural fractures in Woodford Shale, Oklahoma, USA [3]; (b) High-resolution images of Montery shale, California, USA [4].

Methods of Decline Curve Analysis for Shale Gas Reservoirs In this article, the eight most popular deterministic decline curve methods are reviewed: Arps, Logistic Growth Model, Power Law Exponential Model, Stretched Exponential Model, Duong Model, Extended Exponential Decline Model, and Fractural Decline Curve model. This review article is dedicated to summarizing

Global Impact of Unconventional Energy Resources

Global Impact of Unconventional Energy Resources

Global Impact of Unconventional Energy Resources Authors Manochehr Dorraj, Ken Morgan, Contributors Anas Alhajji, Stefan Andreasson, Larry Brogdon, Tina Hunter, Bijan Khajehpour, Tatiana Mitrova, Isidro Morales, Thomas B. Murphy, Silke Popp, Michael Slattery, David Yoxtheimer Abstract The chapters in this volume represent the latest thinking on the development and exploration of unconventional energy resources in the

Live Imaging of Micro-Wettability Experiments Performed for Low-Permeability Oil Reservoirs

Figure 5 (a–c) Elemental maps superimposed on a back-scatter electron image of the cryogenically-frozen middle Bakken sample after it had been submersed in formation oil. The elemental map in (a) is zoomed in (b) (green box, 30 µm wide) to reveal oil micro-droplets (green) in the intergranular space.

Live imaging of controlled water condensation/evaporation experiments allowed micro-droplet contact angles to be evaluated, while imaging combined with x-ray mapping of cryogenically frozen samples facilitated the evaluation of oil and water micro-droplet contact angles after successive fluid injection. For the first time, live imaging of fluids injected through a micro-injection

Production Decline Curves of Tight Oil Wells in Eagle Ford Shale

This study derives typical production curves of tight oil wells based on monthly production data from multiple horizontal Eagle Ford shale oil wells.

  Abstract This study derives typical production curves of tight oil wells based on monthly production data from multiple horizontal Eagle Ford shale oil wells. Well properties initial production (IP) rate and production decline rate were documented, and estimated ultimate recovery (EUR) was calculated using two empirical production decline curve models, the

Well test, rate transient analysis and reservoir simulation for characterizing multi-fractured unconventional oil and gas reservoirs

Also at the well location, although the well may penetrate a productive shale, but in the same interval, away from the well location there might be non-productive shale sections. In other words, in unconventional shale reservoirs, productive shale zones and non-productive shale sections have randomly been distributed as illustrated in Fig. 3.

Abstract Unconventional reservoirs such as shale gas and shale oil have become an increasingly important source of energy in the USA with potential reservoirs identified worldwide. Due to the insufficient permeability of the shale reservoirs, they require efficient stimulation using multistage hydraulic fractures to produce gas  in commercial quantities. A critical

U.S. Tight Oil Production

U.S. Tight Oil Production per Month and Play.

U.S. Tight Oil Production May 2016 Emanuel Martin The total production of Tight oil in the United States in the month of May 2016 was 4,22MMbbl per day being the main producing fields Eagle Ford with 1,19MMbbl/d, Bakken with 0,99MMbbl/d, Spraberry with 0,69MMbbl/d, Wolfcamp with 0,33MMbbl/d, Niobra-Codell with 0,29MMbbl/d and Bonespring with

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