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Title:
Experimental Study on the Physical Simulation of Water Invasion in Carbonate Gas Reservoirs
Author: Fang FF; Shen WJ(沈伟军); Gao SS; Liu HX; Wang QF; Li Y
Source: APPLIED SCIENCES-BASEL
Issued Date: 2017-07
Volume: 7, Issue:697, Pages:1-12
Abstract:

Water invasion in carbonate gas reservoirs often results in excessive water production, which limits the economic life of gas wells. This is influenced by reservoir properties and production parameters, such as aquifer, fracture, permeability and production rate. In this study, seven full diameter core samples with dissolved pores and fractures were designed and an experimental system of water invasion in gas reservoirs with edge and bottom aquifers was established to simulate the process of water invasion. Then the effects of the related reservoir properties and production parameters were investigated. The results show that the edge and bottom aquifers supply the energy for gas reservoirs with dissolved pores, which delays the decline of bottom-hole pressure. The high water aquifer defers the decline of water invasion in the early stage while the big gas production rate accelerates water influx in gas reservoirs. The existence of fractures increases the discharge area of gas reservoirs and the small water influx can result in a substantial decline in recovery factor. With the increase of permeability, gas production rate has less influence on recovery factor. These results can provide insights into a better understanding of water invasion and the effects of reservoir properties and production parameters so as to optimize the production in carbonate gas reservoirs.

Language: 英语
Indexed Type: SCI
Corresponding Author: Shen WJ(沈伟军)
Correspondent Email: wjshen763@imech.ac.cn
DOI: doi:10.3390/app7070697
DOC Type: Article
WOS Subject: Chemistry, Multidisciplinary; Materials Science, Multidisciplinary; Physics, Applied
WOS Subject Extended: Chemistry; Materials Science; Physics
WOS Keyword Plus: carbonate gas reservoirs; water invasion; recovery factor; aquifer size; production rate
WOS ID: WOS:000407700400054
Funder: National Science and Technology Major Project of the Ministry of Science and Technology of China Project (NO. 50150503-12 and NO. 2016ZX03005) ; Project of PetroChina Research Institute of Petroleum Exploration & Development (NO. RIPED-LFFY-2017-JS-118) ; Youth Foundation of Key Laboratory for Mechanics in Fluid Solid Coupling Systems, Chinese Academy of Sciences
Department: LMFS海洋土力学(LHO)
Classification: Q3
First Institution (Yes or Not): True
Citation statistics:
Content Type: 期刊论文
URI: http://dspace.imech.ac.cn/handle/311007/60723
Appears in Collections:流固耦合系统力学重点实验室(2012-)_期刊论文

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description.institution: 1.School of Engineering Science, University of Chinese Academy of Sciences
2.Institute of Porous Flow and Fluid Mechanics, Chinese Academy of Sciences
3.Institute of Mechanics, Chinese Academy of Sciences
4.PetroChina Research Institute of Petroleum Exploration and Development

Recommended Citation:
Fang FF,Shen WJ,Gao SS,et al. Experimental Study on the Physical Simulation of Water Invasion in Carbonate Gas Reservoirs[J]. APPLIED SCIENCES-BASEL,2017-07-01,7(697):1-12.
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