长岭气田火山岩体分布特征及连通性评价
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摘要
针对长岭火山岩气藏地质条件的复杂性,为了合理部署设计水平并,实现储量高效动用提供依据,运用动静结合的方法,以火山喷发旋回为基础,以标志层为界限,以地震剖面上可连续追踪为手段,结合测井曲线不同组合特征及试采井气体组份变化,刻画出长岭火山岩发育上下两个期次的岩性系列、九个火山岩体。其中,上部四个酸性含气火山岩体互不连通独立成藏,是下一步开发评价的重点目标区。在经后期多口实钻井,证实了这种动静结合岩体刻画的方法较为可靠,这对其它同类火山岩气藏的开发具有重要的指导意义。
To realize the effective employment of Changling volcanic reservoir reserves and improve productivity of single well, based on volcano eruption cycles research with lithology mark layer for boundary, by means of seismic profile, combined with different assembled characteristics of well logging curves and variety gas composition of tested well and using static and dynamic combination method, 2 periods volcanic lithology series and 9 volcanic bodies of volcanic development in Changling were identified including upper 4 gas acidic volcanic rock developed independently. Each is not connected, which were confirmed as key object zone to develop. The consideration of volcanic distribution and connectivity was basally reliable with prove of latter development wells, which will has significance guidance meaning for the development of similar volcanic reservoir.
To realize the effective employment of Changling volcanic reservoir reserves and improve productivity of single well, based on volcano eruption cycles research with lithology mark layer for boundary, by means of seismic profile, combined with different assembled characteristics of well logging curves and variety gas composition of tested well and using static and dynamic combination method, 2 periods volcanic lithology series and 9 volcanic bodies of volcanic development in Changling were identified including upper 4 gas acidic volcanic rock developed independently. Each is not connected, which were confirmed as key object zone to develop. The consideration of volcanic distribution and connectivity was basally reliable with prove of latter development wells, which will has significance guidance meaning for the development of similar volcanic reservoir.
引文
[1]侯启军,赵志魁,王立武.火山岩气藏:松辽盆地南部大型火山岩气藏勘探理论与实践[J].科学出版社, 2009,8(2):1.
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[8]张大伟,孙红,马继明,等.松辽盆地南部长岭断陷火山岩气藏储量评价与计算[J].中国石油勘探,2009,4 (10):47.
[2]邵明礼,阮宝涛,李晶秋,等.长岭气田探明储量报告[R].松原:吉林油田勘探开发研究院,2007.
[3]魏兆胜,阮宝涛,李忠诚,等.长岭气田初步开发方案[R].松原:吉林油田勘探开发研究院,2008.
[4]阮宝涛,孙园辉,苏爱武,等.松辽盆地长岭1号气田营城组火山岩岩相分析[J].天然气工业,2009,29 (4):27.
[5]孙园辉,沈平平,阮宝涛,等.松辽盆地长岭断陷长深1号气田火山岩岩性及储渗特征研究[J].天然气地球科学,2008,19(5):630.
[6]袁士义,冉启全,徐正顺,等.火山岩气藏高效开发策略研究[J].石油学报,2007,28(1):73.
[7]张秀容,杨亚娟,向景红.松辽盆地南部深层火山岩识别及成藏条件分析[J].勘探地球物理进展,2006,29 (3):211.
[8]张大伟,孙红,马继明,等.松辽盆地南部长岭断陷火山岩气藏储量评价与计算[J].中国石油勘探,2009,4 (10):47.
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