辽河坳陷锦99块地质特征与油气聚集规律
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摘要
辽河油田锦99块构造特征复杂,储层砂体变化快,区块1992年投入开发,但初期投产油井生产效果较差,区块全面停产12年,属于尚未进行大规模开发的地区,为了正确识别油水层并为制定油田开发方案提供依据,建立该地区油水关系解释图版和识别标准显得尤为重要,通过储层"四性"(指岩性、物性、含油性、电性)关系研究,应用交会图版法来识别油水层。同时,结合对区块内各四级断块内的油井进行试采,来综合确定含油层系,为下部开发部署提供可靠依据。
Block Jin-99 in Liaohe Oilfield is an area which hard to adopt,with complex geological features and fast-changing sand body.The area was developed from 1992,which with poor production had to stop exploitation for 16 years,is a place that has not been developed massively.In order to correctly identify the oil-water layer and provide the basis for oil field development program,establishing the oil-water relationship interpretation plate and identifying standard appears especially necessary.Through the study of Block Jin-99 of "four property"(refers to lithology,petrophysical property,oil content,electrical),apply crossplot engraving method and comprehensive evaluation standard to identify oil-water layer.Moreover,according to the result of the well production in all fauts,finaly to determine the oil-bearing strata,provide a reliable basis for the next step development.
Block Jin-99 in Liaohe Oilfield is an area which hard to adopt,with complex geological features and fast-changing sand body.The area was developed from 1992,which with poor production had to stop exploitation for 16 years,is a place that has not been developed massively.In order to correctly identify the oil-water layer and provide the basis for oil field development program,establishing the oil-water relationship interpretation plate and identifying standard appears especially necessary.Through the study of Block Jin-99 of "four property"(refers to lithology,petrophysical property,oil content,electrical),apply crossplot engraving method and comprehensive evaluation standard to identify oil-water layer.Moreover,according to the result of the well production in all fauts,finaly to determine the oil-bearing strata,provide a reliable basis for the next step development.
引文
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[2]李明刚,漆家福,童享茂等.辽河西部凹陷新生代断裂构造特征与油气成藏[J].石油勘探与开发,2010,37(1):284-285.
[3]陈学义,魏斌,陈艳.辽河油田滩海地区低阻油层成因及其精细解释[J].测井技术,2000,24(1):55-59.
[4]李国玉,吕鸣岗.中国含油气盆地地图集[M].北京:石油工业出版社,2002.
[5]林畅松,潘元林,肖建新等“.构造坡折带”—断陷盆地层序分析和油气预测的重要概念[J].地球科学—中国地质大学学报,2000,25(3):260-266.
[6]孙洪斌,张凤莲.辽河坳陷古近系构造-沉积演化特征[J].岩性油气藏,2008,20(2):60-65.
[7]刘特阶等.欢西油田—鸳鸯沟地区构造整体编图[R].盘锦维信石油高科技开发有限公司,2010.
[8]孙洪斌,张凤莲.辽河断陷西部凹陷古近系砂岩储层[J].古地理学报,2002,4(3):83-92.
[9]李晓光,陈振岩.辽河坳陷古近系碎屑岩储层孔隙演化特征探讨[J].古地理学报,2006,8(2):251-258.
[10]高延新,吴崇筠,庞增福等.辽河盆地大凌河油层组湖底扇沉积特征[J].沉积学报,1985,3(4):83-93.
[11]李海燕,彭仕宓,黄述旺等.山东渤南油田古近系沙河街组沙二段及沙三段低渗透储层成岩储集相[J].古地理学报,2004,6(4):503-513.
[12]赵澄林,胡爱梅,陈碧珏等.油气储层评价方法(中华人民共和国石油与天然气行业标准SY/T6285-1997)[S].北京:石油工业出版社,1997.
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