article

Determiantion of the Key Dissolution Stage of Oolitic Beach Reservoir and Discussion of Relationship Between H2S and Anhydrite in Puguang Gas Field

Expand
  • 1.Postdoctoral Research Workstation,Zhongyuan Oilfield,Puyang 457001,China;
    2.Research Institute of Petroleum Exploration & Development,Zhongyuan Oilfield,Puyang 457001,China

Received date: 2009-06-23

  Revised date: 2009-10-14

  Online published: 2010-02-10

Abstract

A lot of oolitic model pores,biological model pores and intragranular dissolved pores were formed during syngenetic dissolution stage in the Puguang gas field,and had an effective preservation mechanism. At the first stage of buried dissolution,the acidulous water enriched organic acid with strong dissolution causes the formation of intragranular dissolved pore,intergranular dissolved pore,intercrystalline dissolved pore and cave etc. The syngenetic dissolution and the first stage buried dissolution with dolomitisation generated the main pore type of high-quality reservoir,constituted the main reservoir rocks,and coincided with the porosity change regularity; they were two key dissolution stages,were necessary and sufficient condition to the forming of high-quality oolitic reservoir. The second stage of buried dissolution mainly dissolved with CO2 and H2S,and the third stage of buried dissolution related to the crack and H2S. But in thin slice,it′s seldom the mark of H2S erosion,namely,the asphalt rim lies in the internal of pore. In Puguang gas field,the origin of H2S has less relationship with anhydrite,source rock containing FeS2 and sulphur in reservoirs are probably the main reason of the origin of H2S.

Cite this article

XIA Ming-Jun, DENG Rui-Jian, JIANG Yi-Wei, BI Jian-Xia, JIN Xiu-Ju . Determiantion of the Key Dissolution Stage of Oolitic Beach Reservoir and Discussion of Relationship Between H2S and Anhydrite in Puguang Gas Field[J]. Natural Gas Geoscience, 2010 , 21(1) : 68 -77 . DOI: 10.11764/j.issn.1672-1926.2010.01.68

References

[1]Ma Yongsheng,Cai Xunyu,Li Guoxiong.Basic characteristics and concentration of the Puguang gas field in the Sichuan basin[J].Acta Geologica Sinica,2006,79(6):861-865.[马永生,蔡勋育,李国雄.四川盆地普光大型气藏基本特征及成藏富集规律[J].地质学报,2006,79(6):861-865.][2]Wei Guoqi,Yang Wei,Wu Shixiang,et al. Prediction on distribution of Feixianguan Formation oolitic shoal reservoir in northern Sichuan and selection of favorable plays[J].China Petrleum Exploration,2004,9(2):38-43. [魏国齐,杨威,吴世祥,等.川北飞仙关组鲕滩储层分布预测和有利勘探区带优选[J].中国石油勘探,2004,9(2):38-43.]
[3]Chen Gengsheng,Zeng Wei,Yang Yu,et al.Discussion on dolomitization genesis of Feixianguan Formation in northeast Sichuan[J].Natural Gas Industry,2005,25(4):40-41.[陈更生,曾伟,杨雨,等.川东北部飞仙关组白云岩化成因探讨[J].天然气工业,2005,25(4):40-41.]
[4]Zhao Wenzhi,Wang Zecheng,Wang Yigang. Formation mechanism of highly effective gas pools in [JP]the Feixianguan Formation in the NE Sichuan basin[J].Geological Review,2006,52(5):708-718.[赵文智,汪泽成,王一刚.四川盆地东北部飞仙关组高效气藏形成机理[J].地质学报,2006,52(5):708-718.]
[5]Zhao Wenzhi,Luo Ping,Chen Chenshen,et al. Origin and reservoir rocks characteristics of dolo-stones[JP] in the early Triassic Feixianguan Formation,NE Sichuan basin,China;significane for future gas exploration[J].Journal of Petroleum Geology,2005,28(1):83-100.
[6]Wang Yigang,Wen Yingchu,Hong Haitao,et al.Diagenesis of Triassic Feixianguan [JP]Formation in Sichuan basin,southwest China[J].Acta Sedimentologica Sinica.2007,25(6):831-839.[王一刚,文应初,洪海涛,等.四川盆地三叠系飞仙关组气藏储层成岩作用研究拾零[J].沉积学报,2007,25(6):831-839.]
[7]Zhu Guangyou,Dai Jinxing,Zhang Shuichang,et al.Generation mechanism and distribution characteristics of hydrogen sulfide bearing gas in China[J].Natural Gas Geoscience,2004,15(2):166-170.[朱光有,戴金星,张水昌,等.含硫化氢天然气的形成机制及分布规律研究[J].天然气地球科学,2004,15(2):166-170.]
[8]Chen Zhiyong,Li Qiming,Xia bin. Mechanism and accumulation effect of thermochemical sulfate reduction in northeast area of Sichuan basin[J].Natural Gas Geoscience,2007,18(5):743-749.[陈志勇,李启明,夏斌.川东北地区热化学硫酸盐还原反应机理及成藏效应研究[J].天然气地球科学,2007,18(5):743-749.]
[9]Xie Zengye,Li Jian,Li Zhisheng,et al.Genesis on hydrogen sulfide of Feixianguan Formation in Sichuan basin[J].Acta Sedimentologica Sinica,2008,26(2):314-323.[谢增业,李剑,李志生,等.四川盆地飞仙关组气藏H2S成因及其依据[J].沉积学报,2008,26(2):314-323.]
[10]Ma Yongsheng. Geochemical characteristics and origin of natural gases from Puguang gas field on eastern Sichuan basin[J].Natural Gas Geoscience,2008,19(1):1-7.[马永生.普光气田天然气地球化学特征及气源探讨[J].天然气地球科学,2008,19(1):1-7.]
[11]Xia Mingjun,Zeng Daqian,Deng Ruijian,et al.Reef and shallow facies and reservoir characteristics in Changxing Formation platform margin,Puguang gas field[J].Natural Gas Geoscience,2009,20(4):549-556,562.[夏明军,曾大乾,邓瑞健,等.普光气田长兴组台地边缘礁、滩沉积相及储层特征[J].天然气地球科学,2009,20(4):549-556,562.]
[12]Chen Hui,Tian Jingchun,Zhang Xiang,et al. Dolomization genetic of the lower Triassic Feixianguan Formation oolitic beach in northeast Sichuan basin[J].Natural Gas Industry,2008,28(1):42-46.[陈辉,田景春,张翔,等.川东北地区下三叠统飞仙关组鲕滩白云岩成因[J].天然气工业,2008,28(1):42-46.]
[13]Surdam R C,Crossey L J,Svenhagan E,et al.Organic-inorganic interaction and sandstone diagenesis[J].AAPG Bulletin,1989,73(1):1-23.
[14]Ma Yongsheng.Generation mechanism of Puguang gas field in Sichuan basin[J].Acta Petrolei Sinica,2007,28(2):9-12.[马永生.四川盆地普光超大型气田的形成机制[J].石油学报,2007,28(2):9-12.]
[15]He Ying,Hu Dongfeng,Zhang Jian,et al. Reservoir rock characteristics and main controlling factors of the Feixianguan Formation in the Maoba-Dawan-Tieshanpo area,Sichuan basin[J].Geology in China,2008,35(5):922-939.[何莹,胡东风,张箭,等.四川盆地大湾—毛坝—铁山坡地区飞仙关组储层特征及其主控因素[J].中国地质,2008,35(5):922-939.]
[16]Kharaka Y K,Law L M,CarothersW W,et al.The Effect of the Dissolved Organic Constituent in Sedimentary Basin Formation Water on the Diagenetic Process[C]//Mei Bowen,Ma Ting interprete.Reservoir Geochemistry(Translation Collected Works).Xi′an:Northwest University Publishing House,1992:111-118.[Kharaka Y K,Law L M,CarothersW W,等.沉积盆地地层水中溶解有机组分在矿物成岩过程中的作用[C]//梅博文,马亭译.储层地球化学(译文集).西安:西北大学出版社,1992:111-118.]
[17]Xie Zengye,Li Zhisheng,Huang Zhixing,et al.Stable sulfur isotopic compositions of different sulfur-containing materials and genesis of H2S in northeastern Sichuan basin[J]Geochimica,2008,37(2):187-194.[谢增业,李志生,黄志兴,等.川东北不同含硫物质硫同位素组成及H2S成因探讨[J].地球化学,2008,37(2):187-194.]
[18]Li Jian,Xie Zengye,Zhang Guangwu,et al.Thermal simulation experiment on generation of oil-gas and H2S from marlite in lower Triassic Feixianguan Formation in northwestern Sichuan[J].China Petroleum Exploration,2006,4:37-41.[李剑,谢增业,张光武,等.川西北下三叠统飞仙关组泥灰岩的油气及H2S生成模拟实验研究[J].中国石油勘探,2006,4:37-41.]
Outlines

/