塔中Ⅰ号坡折带礁滩复合体大型油气田勘探理论与技术
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摘要
在不断解决塔中Ⅰ号坡折带礁滩复合体勘探中遇到的诸多世界级难题的过程中,创新了塔中大漠海相碳酸盐岩油气勘探、开发配套技术系列:礁滩复合体地质综合建模技术,礁滩复合体优质储集层地震预测技术,礁滩复合体大型凝析气藏描述技术;礁滩复合体井位优选技术,超埋深、超高温、超高压油气层识别、保护与工艺改造技术。发展了礁滩复合体大型油气田成藏地质理论:剖析了台缘坡折带地质结构的分段性及其对礁滩复合体空间展布的控制,发现了井下奥陶纪最大型生物礁群,建立了大型礁滩复合体空间几何学地质模型,认识了多成因改良的礁滩复合体大型储集体,建立了礁滩复合体大型凝析气藏地质模型(群);查明了迄今为止全球埋藏最深、时代最老的大型凝析气藏。目前已探明中国第一个奥陶系礁滩复合体大型凝析气田,3×108 t油气规模基本落实,东部100×104 t产能已初步建成。地质研究成果丰富和发展了我国台缘高能相带油气成藏理论,勘探开发实践发展了超深复杂油气藏的勘探开发技术,开创了在塔里木盆地奥陶系台地边缘寻找大型礁滩型油气藏的新领域,对塔里木盆地资源战略接替、产能接替具有重大意义。
To deal with the world-class difficult problems for reef-flat complex(RFC) oil-gas field in Tazhong No.1 slope break,the assorted series of technologies for exploration of the marine carbonate reservoirs are presented,including RFC geologic comprehension modeling technique;RFC quality reservoir seismic prediction technique;RFC large condensate gas pool characterization technique;RFC well location optimum selection technique;super-deep,extra-thermal/pressure reservoir identification,protection and modification technique.The hydrocarbon accumulation geologic theory of RFC large reservoirs is developed,such as the segmentation of platform-margin slope break geologic structure and its control on spatial distribution of RFC,the discovery of largest downhole biohermal group of the Ordovician,the development of large-scale spatial geometry geologic model,the proposition of multi-genetic reservoir improvement,and the development of RFC large condensate gas reservoir geologic models.The deepest and oldest giant condensate gas reservoir in the world has been found out: the RFC giant condensate gas field of the Ordovician is proved as the first one in China,which has reserves of 3×108 t and constructed productivity of 100×104 t in eastern Tarim basin.These exploration and development achievements have enriched the theory and technology for exploration of hydrocarbon accumulation in domestic platform margin energetic facies belts,initiating the novel domains searching for them,being of great significance to be strategically and productively a major explorative area for replacement of resources in Tarim basin.
To deal with the world-class difficult problems for reef-flat complex(RFC) oil-gas field in Tazhong No.1 slope break,the assorted series of technologies for exploration of the marine carbonate reservoirs are presented,including RFC geologic comprehension modeling technique;RFC quality reservoir seismic prediction technique;RFC large condensate gas pool characterization technique;RFC well location optimum selection technique;super-deep,extra-thermal/pressure reservoir identification,protection and modification technique.The hydrocarbon accumulation geologic theory of RFC large reservoirs is developed,such as the segmentation of platform-margin slope break geologic structure and its control on spatial distribution of RFC,the discovery of largest downhole biohermal group of the Ordovician,the development of large-scale spatial geometry geologic model,the proposition of multi-genetic reservoir improvement,and the development of RFC large condensate gas reservoir geologic models.The deepest and oldest giant condensate gas reservoir in the world has been found out: the RFC giant condensate gas field of the Ordovician is proved as the first one in China,which has reserves of 3×108 t and constructed productivity of 100×104 t in eastern Tarim basin.These exploration and development achievements have enriched the theory and technology for exploration of hydrocarbon accumulation in domestic platform margin energetic facies belts,initiating the novel domains searching for them,being of great significance to be strategically and productively a major explorative area for replacement of resources in Tarim basin.
引文
[1]韩剑发,梅廉夫,杨海军,等.塔中Ⅰ号坡折带礁滩复合体大型凝析气田成藏机制[J].新疆石油地质,2008,29(3):323-326.
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[6]王振宇,孙崇浩,张云峰,等.塔中I号坡折带上奥陶统成礁背景分析[J].沉积学报,2010,28(3):525-533.
[7]杨海军,王建坡,黄智斌,等.塔中隆起上奥陶统凯迪阶良里塔格组生物群及其生态特征[J].古生物学报,2009,48(1):109-122.
[8]张园园,王建坡,马俊业,等.礁滩分类以及在岩芯中的识别[J].古生物学报,2009,48(1):89-101.
[9]邬光辉,黄广建,王振宇,等.塔中奥陶系生物礁地震识别与预测[J].天然气工业,2007,27(4):40-42.
[10]王振宇,孙崇浩,杨海军,等.塔中Ⅰ号坡折带上奥陶统台缘礁滩复合体建造模式[J].地质学报,2010,84(4):546-552.
[11]张宝民,刘静江,边立曾,等.礁滩体与建设性成岩作用[J].地学前缘,2009,16(1):270-289.
[12]王招明,赵宽志,邬光辉,等.塔中Ⅰ号坡折带上奥陶统礁滩型储层发育特征及其主控因素[J].石油与天然气地质,2007,28(6):797-801.
[13]高志前,樊太亮,王惠民,等.塔中地区礁滩储集体形成条件及分布规律[J].新疆地质,2005,23(3):283-287.
[14]韩剑发,梅廉夫,杨海军,等.塔里木盆地塔中地区奥陶系碳酸盐岩礁滩复合体油气来源与运聚成藏研究[J].天然气地球科学,2007,18(3):426-435.
[15]韩剑发,梅廉夫,杨海军,等.塔里木盆地塔中奥陶系天然气的非烃成因及其成藏意义[J].地学前缘,2009,16(1):314-325.
[2]顾家裕,方辉,蒋凌志.塔里木盆地奥陶系生物礁的发现及其意义[J].石油勘探与开发,2001,28(4):1-3.
[3]王招明,杨海军,王振宇,等.塔里木盆地塔中地区奥陶系礁滩体储集层地质特征[M].北京:石油工业出版社,2008.
[4]杨海军,胡太平,于红枫,等.塔中地区上奥陶统礁滩复合体储层地震预测技术[J].石油与天然气地质,2008,29(2):230-236.
[5]陈景山,王振宇,代宗仰,等.塔中地区中上奥陶统台地镶边体系分析[J].古地理学报,1999,1(2):8-17.
[6]王振宇,孙崇浩,张云峰,等.塔中I号坡折带上奥陶统成礁背景分析[J].沉积学报,2010,28(3):525-533.
[7]杨海军,王建坡,黄智斌,等.塔中隆起上奥陶统凯迪阶良里塔格组生物群及其生态特征[J].古生物学报,2009,48(1):109-122.
[8]张园园,王建坡,马俊业,等.礁滩分类以及在岩芯中的识别[J].古生物学报,2009,48(1):89-101.
[9]邬光辉,黄广建,王振宇,等.塔中奥陶系生物礁地震识别与预测[J].天然气工业,2007,27(4):40-42.
[10]王振宇,孙崇浩,杨海军,等.塔中Ⅰ号坡折带上奥陶统台缘礁滩复合体建造模式[J].地质学报,2010,84(4):546-552.
[11]张宝民,刘静江,边立曾,等.礁滩体与建设性成岩作用[J].地学前缘,2009,16(1):270-289.
[12]王招明,赵宽志,邬光辉,等.塔中Ⅰ号坡折带上奥陶统礁滩型储层发育特征及其主控因素[J].石油与天然气地质,2007,28(6):797-801.
[13]高志前,樊太亮,王惠民,等.塔中地区礁滩储集体形成条件及分布规律[J].新疆地质,2005,23(3):283-287.
[14]韩剑发,梅廉夫,杨海军,等.塔里木盆地塔中地区奥陶系碳酸盐岩礁滩复合体油气来源与运聚成藏研究[J].天然气地球科学,2007,18(3):426-435.
[15]韩剑发,梅廉夫,杨海军,等.塔里木盆地塔中奥陶系天然气的非烃成因及其成藏意义[J].地学前缘,2009,16(1):314-325.
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