特种油气藏2024，Vol.31Issue(1)：1-8,8.DOI:10.3969/j.issn.1006-6535.2024.01.001
新疆油田浅层超稠油SAGD高效低碳开发技术研究与展望
Research and Prospects of Efficient and Low-carbon SAGD Development Technology for Shallow Ultra-Heavy Oil in Xinjiang Oilfield
摘要
Abstract
In response to the increasing contradiction between high energy consumption for ultra-heavy oil develop-ment and high quality development of oilfield in the context of"carbon neutrality and emission peak"target,Xin-jiang Oilfield,through mechanism research and field practice,has continued its research and achieved significant results in maintaining efficient expansion of steam chamber,breaking through reservoir seepage barrier blockage,improving the steam flooding and gravity drainage efficiency in shallow and thin layers,and achieving efficient and balanced fluid production in long horizontal sections of horizontal wells:the gas-assisted technology is employed to achieve the insulation,pressure retention and energy boosting of steam chambers,and the oil-to-steam ratio can be increased by up to 20%;the vertical well pattern and reservoir upgrading and expansion technologies are utilized to improve the seepage characteristics of ClassⅢultra-heavy oil reservoirs,and the drainage rate can be increased by 20%to 40%;the fully confined production method is adopted,resulting in an increase in VHSD produced liquid temperature from 100℃to 150℃and a 50%increase in oil recovery rate;a further research on the mechanism of thermal recovery flow control device(FCD)is conducted,and the reservoir-wellbore coupling optimization design method is improved,so the production degree of the horizontal section of horizontal wells can be increased by 20%.During the"14th Five-Year Plan"period,Xinjiang Oilfield will conduct a further research of solvent-assisted SAGD,waterless SAGD and temperature-controlled hydrothermal fracturing technologies,and gradually improve the series of low-carbon and high-efficiency development technologies for shallow ultra-heavy oil.The research can provide technical guidance for the development of similar reservoirs.关键词
浅层超稠油/重力泄油/驱泄复合/气体辅助/储层扩容/低碳开发技术Key words
shallow ultra-heavy oil/gravity drainage/flooding-drainage combination/gas-assisted/reservoir ex-pansion/low-carbon development technology分类
能源科技引用本文复制引用
孙新革,罗池辉,张胜飞,张文胜,罗双涵..新疆油田浅层超稠油SAGD高效低碳开发技术研究与展望[J].特种油气藏,2024,31(1):1-8,8.基金项目
中国石油科技专项"蒸汽驱/SAGD中后期多介质注汽开发技术研究"(2021DJ1402) （2021DJ1402）
