石油与天然气地质
石油與天然氣地質
석유여천연기지질
OIL & GAS GEOLOGY
2015年
2期
297-305
,共9页
宋传真%刘传喜%徐婷%曹丽丽%丁一萍%杨森
宋傳真%劉傳喜%徐婷%曹麗麗%丁一萍%楊森
송전진%류전희%서정%조려려%정일평%양삼
低渗透率%孔隙型%稠油%碳酸盐岩储层%叙利亚
低滲透率%孔隙型%稠油%碳痠鹽巖儲層%敘利亞
저삼투솔%공극형%주유%탄산염암저층%서리아
low permeability%pore type%heavy oil%carbonate reservoir%Syria
叙利亚O油田SH_B油藏为典型的低渗孔隙型块状碳酸盐岩稠油油藏,因“低渗、油稠”等突出特点,在现行的井网和开采方式下油藏开发效果差,主要表现为“三低”,即储量动用程度低、单井产量低和油藏采收率低,尚无一套经济有效、可实施的开发方案。目前,低渗稠油油藏开发在国内外没有成功案例,也没有成熟技术及经验可借鉴,如何经济有效开发属世界级难题。为此,以“提高开发效益,实现有效开发”为目标,针对低渗稠油油藏面临的“三低”问题,应用油藏工程方法、数值模拟和经济评价技术,系统开展了开发方式、井型井网井距、水平段长度及水平井热采参数等优化研究,形成了低渗碳酸盐岩稠油油藏开发对策研究方法,针对性地提出了SH_B油藏的开发对策。优化确定的油藏开发技术对策为开发方案编制奠定了基础,也为国内外类似油藏开发提供了借鉴。
敘利亞O油田SH_B油藏為典型的低滲孔隙型塊狀碳痠鹽巖稠油油藏,因“低滲、油稠”等突齣特點,在現行的井網和開採方式下油藏開髮效果差,主要錶現為“三低”,即儲量動用程度低、單井產量低和油藏採收率低,尚無一套經濟有效、可實施的開髮方案。目前,低滲稠油油藏開髮在國內外沒有成功案例,也沒有成熟技術及經驗可藉鑒,如何經濟有效開髮屬世界級難題。為此,以“提高開髮效益,實現有效開髮”為目標,針對低滲稠油油藏麵臨的“三低”問題,應用油藏工程方法、數值模擬和經濟評價技術,繫統開展瞭開髮方式、井型井網井距、水平段長度及水平井熱採參數等優化研究,形成瞭低滲碳痠鹽巖稠油油藏開髮對策研究方法,針對性地提齣瞭SH_B油藏的開髮對策。優化確定的油藏開髮技術對策為開髮方案編製奠定瞭基礎,也為國內外類似油藏開髮提供瞭藉鑒。
서리아O유전SH_B유장위전형적저삼공극형괴상탄산염암주유유장,인“저삼、유주”등돌출특점,재현행적정망화개채방식하유장개발효과차,주요표현위“삼저”,즉저량동용정도저、단정산량저화유장채수솔저,상무일투경제유효、가실시적개발방안。목전,저삼주유유장개발재국내외몰유성공안례,야몰유성숙기술급경험가차감,여하경제유효개발속세계급난제。위차,이“제고개발효익,실현유효개발”위목표,침대저삼주유유장면림적“삼저”문제,응용유장공정방법、수치모의화경제평개기술,계통개전료개발방식、정형정망정거、수평단장도급수평정열채삼수등우화연구,형성료저삼탄산염암주유유장개발대책연구방법,침대성지제출료SH_B유장적개발대책。우화학정적유장개발기술대책위개발방안편제전정료기출,야위국내외유사유장개발제공료차감。
Reservoir SH_B of O oilfield in Syria is atypical porous carbonate heavy oil reservoir with low-permeability. It strikingly features in low permeability and high viscosity .Under the present well patterns and development models ,the development effect here is poor and it is manifested by three-low parameters:low ratio of produced reserves to proved reserves ,low single well production and low recovery .No cost-effective and enforceable development plan has been pro-posed.Presently,there is no successful case on low-permeability heavy oil reservoir development and no mature technolo-gy and experience for reference .The development of this kind of reservoir is still a world-class challenge .In order to im-prove development benefits and realize effective development ,reservoir engineering theories and methodologies ,numerical simulation and economic evaluation techniques are used to study and optimize systematically the development models , well types,well patterns,well spacing,lateral length,and thermal recovery parameters of horizontal well .Research me-thods for developing carbonate heavy oil reservoir are suggested ,and development strategy specifically for reservoir SH_B is proposed .The optimized development technical policy lays a foundation for development planning and provides a refe -rence for domestic and foreign analogous reservoirs .