辽河油田蒸汽辅助重力泄油开发实践

doi:10.3969/j.issn.1006-6535.2020.06.003

特种油气藏 ›› 2020, Vol. 27 ›› Issue (6): 20-29.DOI: 10.3969/j.issn.1006-6535.2020.06.003

辽河油田蒸汽辅助重力泄油开发实践

王宏远¹, 杨立强²

1.中国石油辽河油田分公司,辽宁盘锦 124010;
2.中国石油浙江油田分公司,浙江杭州 310023

收稿日期:2020-09-20 修回日期:2020-11-20 出版日期:2020-12-25 发布日期:2022-02-18
通讯作者: 杨立强(1970—),男,教授级高级工程师,1991年毕业于石油大学(华东)石油地质勘查专业,2007年毕业于中国石油大学(华东)油气田开发工程专业,获博士学位,现主要从事油气田开发和管理工作。
作者简介:王宏远(1979—),男,高级工程师,2002年毕业于中国地质大学(北京)石油工程专业,现从事油田开发试验工作。
基金资助:
国家科技重大专项“改善SAGD开发效果技术研究与应用”(2016ZX05012-002)

The Practice of Steam Assisted Gravity Drainage in Liaohe Oilfield

Wang Hongyuan¹, Yang Liqiang²

1. Liaohe Oilfield Branch, CNPC, Panjin, Liaoning, 124010, China;
2. Zhejiang Oilfield Branch, CNPC, Hangzhou, Zhejiang, 310023, China

Received:2020-09-20 Revised:2020-11-20 Online:2020-12-25 Published:2022-02-18

摘要/Abstract

摘要： 辽河油田是中国最大的稠油热采基地,稠油资源丰富,蒸汽吞吐是大部分稠油油藏的主要开发方式,但采收率仅为22%～25%。为有效提高辽河油田超稠油油藏采收率,针对油藏埋藏深、隔夹层发育和蒸汽吞吐后非均质性加剧等难题,开展蒸汽辅助重力泄油(SAGD)的室内物理模拟实验,进行油藏工程、钻采工艺、地面工艺等方面的系列攻关研究,先后经历了蒸汽辅助重力泄油先导试验、工业化一期工程和工业化扩大3个阶段。目前,辽河油田已有72个井组转为SAGD开发,2019年年产油达到105×10⁴t/a,已连续3 a年产油超过100×10⁴t/a。形成的地质、油藏、工艺配套的SAGD系列技术,可为同类油藏的开发提供借鉴。

关键词: 超稠油, 蒸汽辅助重力泄油, 油藏工程, 提高采收率, 辽河油田

Abstract: Liaohe Oilfield is the largest thermal recovery base of heavy oil in China, which enjoys abundant heavy oil resources. Most of the heavy oil resources are productd by steam stimulation, with oil recovery factors of only 22%～25%. To improve the recovery factors of the superheavy oil reservoirs in Liaohe Oilfield, the laboratory physical simulation of steam assisted gravity drainage (SAGD) were carried out targeting the more deep buried depth of the reservoirs, interlayer developed reservoir, and increasing heterogeneity after steam stimulation. Meanwhile, a series of studies were conducted to tackle key issues inreservoir engineering, such as drilling and production technology and surface treatment technology. SAGD in Liaohe Oilfield experienced three stages,the pilot tests,the first phase of industrialized project and the enlargement of industrialization. And now there are 72 SAGD well groups and the annual oil production reached to 105×10⁴t/a in 2019, exceeded 100×10⁴t/a for three years. The SAGD technologies of reservoir geology, reservoir engineering and progress of surface technology were mature and complete, which provides references for the development of similar oil reservoirs.

Key words: super heavy oil, steam-assisted gravity drainage, reservoir engineering, enhanced oil recovery, Liaohe Oilfield

中图分类号:

TE345

王宏远, 杨立强. 辽河油田蒸汽辅助重力泄油开发实践[J]. 特种油气藏, 2020, 27(6): 20-29.

Wang Hongyuan, Yang Liqiang. The Practice of Steam Assisted Gravity Drainage in Liaohe Oilfield[J]. Special Oil & Gas Reservoirs, 2020, 27(6): 20-29.

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辽河油田蒸汽辅助重力泄油开发实践

The Practice of Steam Assisted Gravity Drainage in Liaohe Oilfield

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