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Production Dynamicanalysis Method and Software Develop of Tight Gas Reservoir

Author: ZhaoXueFeng
Tutor: FanHaiJun
School: China University of Petroleum
Course: Oil and Gas Field Development Project
Keywords: Low Permeability Tight Gas Reservoirs Dynamic Analysis Typical curve Gas well Analytical methods
CLC: TE319
Type: Master's thesis
Year: 2011
Downloads: 281
Quote: 2
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Abstract


China's natural gas proven The very abundant reserves , geological reserves of more than 10000 × 10 8 m ~~ but relatively poor reservoir properties , most of them belong to the low permeability and special low permeability gas reservoirs . Dynamic analysis of low permeability gas reservoir is the core work of such gas reservoir development , understand and analyze the low permeability tight gas reservoirs , wells of mining dynamic study its dynamic characteristics , the main job of understanding the low permeability of tight gas reservoirs . Only in-depth analysis of the dynamic variation of low permeability tight gas reservoirs in order to deepen the understanding of the low permeability of tight gas reservoirs , so as to determine the most reasonable mining plan, as well as the development of a viable gas fields in production planning , and finally make the exploration of these gas reservoirs and development to achieve a virtuous circle. This article briefly describes the research status of low permeability tight gas reservoir development , and analysis of the geological characteristics of low permeability tight gas reservoirs and percolation mechanism . Then dynamic reserves of gas reservoirs analysis method , and then use the transient testing, analysis of the basic principles of traditional production decline analysis has been improved , the establishment of a dynamic analysis methods of modern production decline curves typical illustrated, in none of well under the conditions of use of wells daily production data to calculate reservoir permeability , skin factor, the radius of the well control , the purpose of geological reserves . The basic idea is to produce dynamic analysis decreasing transient testing theory and traditional production through the introduction of a new non- dimensional flow, pressure parameters and proposed a function of time , on the basis of the analysis techniques , use of diminishing typical curve fitting method , analysis daily production data , the final calculation of parameters such as reservoir permeability , skin factor ( fracture half-length ) , the radius of the well control , well control reserves . The production dynamic analysis method is mainly traditional Arps Fetkovich methods , modern Blasingame , Agarwal - Gardner (AG ) , regularization pressure integral ( NPI ) , flowing material balance method . This paper systematically introduces the basic principles of these methods and the applicable conditions , and the use of self - preparation software to analyze the dynamic analysis of the production of a gas reservoirs .

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CLC: > Industrial Technology > Oil and gas industry > Oil and gas development and mining > Basic theory > Simulation theory and computer technology in the development
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