风城浅层超稠油油藏双水平井SAGD关键技术及发展方向  

Key Technologies and Development Trend of SAGD for Dual-horizontal Wells in Shallow Super-heavy Oil Reservoir in Fengcheng Oilfield

作　　者：杨智[1] 孟祥兵[1] 吴永彬[2] 赵慧龙[1] 罗池辉[1] 甘衫衫 Yang Zhi;Meng Xiangbing;Wu Yongbin;Zhao Huilong;Luo Chihui;Gan Shanshan(PetroChina Xinjiang Oilfield Company,Karamay,Xinjiang 834000,China;Research Institute of Petroleum Exploration and Development,Beijing 100083,China)

机构地区：[1]中国石油新疆油田分公司,新疆克拉玛依834000 [2]中国石油勘探开发研究院,北京100083

出　　处：《特种油气藏》2021年第1期92-97,共6页Special Oil & Gas Reservoirs

基　　金：国家重大专项“稠油注溶剂开采新技术研究”(2016B-1403)。

摘　　要：针对风城油田浅层超稠油油藏原油埋藏浅、黏度高、储层非均质性强,实施双水平井SAGD开发存在诸多挑战的问题,开展浅层超稠油SAGD开发技术及配套工艺技术攻关研究,优化双水平井部署设计,SAGD循环预热及油藏工程设计,配套钻完井工艺、井下管柱结构、井下测温测压等关键技术。根据开发实践及技术经济指标,制订了超稠油双水平井SAGD开发的技术界限,并综合论述了复合井网开发、储层扩容改造、溶剂辅助SAGD等改善SAGD开发效果的新技术。浅层SAGD系列开发配套技术对同类型油藏开发具有重要借鉴意义。In view of the shallow burial,high viscosity,and strong heterogeneity of crude oil in shallow super-heavy oil reservoir in Fengcheng Oilfield,there are many challenges in the SAGD development of dual-horizontal wells.This paper aims to study SAGD development technology and supporting technologies of shallow super-heavy oil reservoir,optimize the deployment design of double horizontal wells,design SAGD cycle preheating and reservoir project,and study supporting key technologies such as drilling and completion technologies,downhole string structure,and downhole temperature and pressure measurement.According to development practice and technical and economic indicators,the technical limits of SAGD development for super-heavy oil dual-horizontal wells were formulated,and new technologies to improve SAGD development effects were comprehensively discussed,including composite well pattern development,reservoir expansion and stimulation,and solvent-assisted SAGD.The supporting technologies for shallow SAGD series development provide an important reference for the development of similar gas reservoirs.

关 键 词：浅层 超稠油油藏 SAGD 溶剂辅助SAGD技术 风城油田 

分 类 号：TE345[石油与天然气工程—油气田开发工程]