Abstract: Offshore oil recovery technological development will bear a direct influence on effective development of China offshore oil reserves and further improvement of the recovery factor of offshore oil and gas fields, following the efforts to infill adjustment wells of offshore oil and gas fields and tap the potential for increase of production through conventional stimulation measures. In the new period of China offshore oil and gas development, the oil recovery technology development pursues a general principle of accelerating the pilot development and attaching importance to concentrated development. Based on the actual conditions, CNOOC comes up with the orientation for oil recovery technological development and work proposals. The pilot technological development includes offshore heavy oil thermal production, development of offshore low-permeability oil and gas reservoirs, chemical flooding stimulation, gas-injection, and microbial enhanced oil production. The orientation for concentration of integrated technology aims mainly at the technological application systems, such as water injection and treatment, ESP process, reservoir protection, well completion and workover, and anti-corrosion, antiscaling and anti-wax process. The efforts will be also focused on some key issues affecting implementation of the strategy, such as talents, technological research and management capability.

Key words: China offshore area, oil recovery, principle, orientation for technological development

摘要： 在中国近海油气田实施调整井加密、整体加密和常规增产增注工艺挖潜之后,海上采油工艺技术要承担起进一步提高油田采收率以及促进难动用储量开发的重担。在中国近海油气开发新时期,采油工艺技术发展的总思路是:先导试验与集中集合并举,加快先导试验,重视集中集合。结合实际工作,提出了采油工艺技术发展方向和工作建议,先导试验技术方向包括海上稠油热采、海上低渗透油气藏开采、化学驱、注气采油、微生物采油,集中集合技术方向主要是建立注水治水、电潜泵采油工艺、储层保护工艺、完井与修井工艺、防腐防垢防蜡等技术应用体系,并对如人才、技术研究和管理能力不足等影响战略落地的核心问题进行了研讨。

关键词: 中国近海, 采油工艺, 思路, 技术方向