The Open Petroleum Engineering Journal

ISSN: 1874-8341 ― Volume 12, 2019

Practical Considerations for Well Performance Analysis and Forecasting in Shale Plays

D. Ilk1, *, T. A. Blasingame2, O. Houzé3
1 DeGolyer and MacNaughton, 5001 Spring Valley Rd. Suite 800 East, Dallas, Texas, USA
2 Texas A&M University, College Station, Texas, USA
3 Kappa Engineering, Mougins, France


Analysis and forecasting of well performance data in unconventional reservoirs is and will likely remain problematic as there is considerable uncertainty related to our current lack of understanding of the fluid flow phenomenon in low/ultra-low permeability reservoir systems.There are many unknowns which are the primary sources of the uncertainty on production performance.To name a few, these can be stated as the link between flow in nano scale and macro scale, effect of natural fractures and stress fields/geomechanics, pressure/stress dependent dynamic reservoir properties (e.g., permeability), Pressure-volume-temperature (PVT) properties at nano scale, extent of drainage area, etc. Recently, a great amount of research has been performed to understand and relate these issues to well performance analysis and forecasting, but still no conclusive answer has been provided.The objective of this paper is to briefly discuss the specifics of flow in low permeability systems and models to represent well performance then present a methodology to analyze and forecast production data.

Keywords: Decline curves, Diffusion equations, Flow regimes, Fluid-flow phenomenon, Shale plays.

Article Information

Identifiers and Pagination:

Year: 2016
Volume: 9
Issue: Suppl-1, M7
First Page: 107
Last Page: 136
Publisher Id: TOPEJ-9-107
DOI: 10.2174/18748341016090100107

Article History:

Received Date: 25/3/2015
Revision Received Date: 29/6/2015
Acceptance Date: 12/8/2015
Electronic publication date: 30/06/2016
Collection year: 2016

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© Ilk et al.; Licensee Bentham Open.

open-access license: This is an open access article licensed under the terms of the Creative Commons Attribution-Non-Commercial 4.0 International Public License (CC BY-NC 4.0) (, which permits unrestricted, non-commercial use, distribution and reproduction in any medium, provided the work is properly cited.

* Address correspondence to this author at the DeGolyer and MacNaughton, 5001 Spring Valley Rd. Suite 800 East, USA; E-mail:


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