Home Game live Food safety Business Finance Education and training Entertainment News Baby Products Healthy Food News Cultural life Intelligent Fashion Finance Technology Hotel Cars Sports House

EOR application of CO2 injection for small fault block reservoirs in Subei Basin

2021-12-10


EOR application of CO2 injection for small fault block reservoirs in Subei Basin

CHEN Zuhua1, WU Gongyi2, QIAN Weiming2, WANG Jun1, MA Tao3, WANG Haimei1, ZHENG Yongwang1, XIONG Xinya1

1. Research Institute of Exploration and Development, East China Oil and Gas Company, SINOPEC, Nanjing 210011, Jiangsu Province, China;

2. Taizhou Oil Production Plant, East China Oil and Gas Company, SINOPEC, Taizhou 225300, Jiangsu Province, China;

3. Petroleum Exploration & Production Research Institute, SINOPEC, Beijing 100083, China

Abstract: Based on the geological characteristics which are “broken, small, low, thin, and deep” and the development characteristics of “three low (low recovery factor, low oil production rate, and low average daily oil production), and three high (high recovery degree, high composite water cut, highly scattered remaining oil distribution)” of the small complex fault block reservoirs in Northern Jiangsu Basin (Subei Basin), five development technologies are formed in the East China Oil and Gas Field, including laboratory experiment, suitability evaluation, scheme design and timely optimization and adjustment, miscibility identification, and development evaluation. In addition, six supporting technologies of collection, purification, gathering and transportation, injection, oil production, and recovery are also formed. In the situation of low oil price and with the focus on the two key factors of cost and benefit, the CO2–EOR technology applied in low permeability reservoirs is extended to the medium-high permeability reservoirs, and also developed from single flooding/stimulation to combined flooding/stimulation, which provides strong technical support for stable and increasing production and effective development in the old fields of Subei Basin.

Disclaimer: This article is reproduced from other media. The purpose of reprinting is to convey more information. It does not mean that this website agrees with its views and is responsible for its authenticity, and does not bear any legal responsibility. All resources on this site are collected on the Internet. The purpose of sharing is for everyone's learning and reference only. If there is copyright or intellectual property infringement, please leave us a message.
©copyright 2009-2020 Patriotic Daily      Contact Us   SiteMap