天然气地球科学 ›› 2010, Vol. 21 ›› Issue (1): 125131.doi: 10.11764/j.issn.1672-1926.2010.01.125
王杰, 刘文汇, 陶成, 秦建中, 腾格尔
WANG Jie, LIU Wen-Hui, TAO Cheng, QIN Jian-Zhong, TENG Ge-Er
摘要:
对2种不同成因气或同源不同成熟阶段气的模拟实验表明:煤型气、油型气混源气随油型气比例降低,碳同位素组成逐渐变重,氢同位素组成变轻,各组分同位素分馏模式不同,具有三阶段变化模式;同源不同成熟阶段混源气随高熟气比例的增加,烷烃气碳同位素组成逐渐变重\.建立了煤型气、油型气混源比例定量判识的地球化学模板,在雅克拉气田得到了很好地应用\.雅克拉气田主要为油型气,掺混煤型气比例约为12%~20%。同时,建立了同源不同成熟阶段气混源比例定量判识的地球化学模板,在塔河油田应用效果很好。塔河油田天然气由高成熟气与低成熟气混合形成,塔河东部主要以高成熟天然气为主,西部以低成熟气为主,只是混合的比例不同,低成熟气与高成熟气的混源比例在1∶19~13.3∶1之间,天然气由东南向西北、由东向西运移充注。针对南方海相地层实际情况,对氩同位素积累效应确定气源岩时代模型进行了修正,并对大湾2井天然气来源进行了定量判识。
中图分类号:
[1]Xia Xinyu, Li Chunyuan, Zhao Lin. Influence of mixture on isotope indices in gas source discrimination[J]. Petroleum Exploration and Development, 1998, 25(3):89-96.[夏新宇,李春园,赵林.天然气混源作用对同位素判源的影响[J].石油勘探与开发,1998,25(3):89-96.]
[2]Jin Qiang, Cheng Fuqi, Liu Wenhui. Research in gas accumulations with mixed sources[J]. Natural Gas Industry, 2004, 24(2):22-24.[金强,程付启,刘文汇.混源气藏及混源比例研究[J].天然气工业,2004,24(2):22-24.]
[3]Wang Shunyu, Dai Hongming, Wang Haiqing. Method of quantity calculation of mixed source natural gas-study on Baimamiao gas field of the west part of Sichuan basin[J]. Natural Gas Geoscience, 2003, 14(5):351-354.[王顺玉,戴鸿鸣,王海清.混源天然气定量计算方法——以川西地区白马庙气田为例[J].天然气地球科学,2003,14(5):351-354.]
[4]Liu Wenhui, Xu Yongchang. The composition characteristics of helium and argon isotope from natural gas[J]. Chinese Science Bulletin, 1993, 38(9): 818-821.[刘文汇,徐永昌.天然气中氦、氩同位素组成特征[J].科学通报,1993,38(9):818-821.]
[5]Shen Ping, Xu Yongchang, Liu Wenhui,et al. The application model of rare gas geochemical in natural gas[J]. Acta Sedimentologica Sinica, 1995, 13(2): 48-58.[沈平,徐永昌,刘文汇,等.天然气研究中的稀有气体地球化学应用模式[J].沉积学报,1995,13(2):48-58.]
[6]Liu Wenhui, Chen Mengjin, Guan Ping,et al. Ternary tracking system of geochemistry in the gas reservoir formation[J]. Science in China:D series, 2007,37(7):908-915.[刘文汇,陈孟晋,关平,等.天然气成藏过程的三元地球化学示踪体系[J].中国科学:D辑,2007,37(7):908-915.]
[7]Hu Tilin, Ge Baoxiong, Zhang Yigang,et al. The development and application of light hydrocarbon parameter of natural gas and source rocks absorption hydrocarbon[J].Petroleum Geology and Experiment, 1990, 12(4): 375-394.[胡惕麟,戈葆雄,张义纲,等.源岩吸附烃和天然气轻烃指纹参数的开发和应用[J].石油实验地质,1990,12(4):375-394.]
[8]Wang Jie, Gu Yi, Rao Dan,et al. Migration, filling history and geochemical characteristics of Ordovician natural gases in the Tahe oilfield, Tarim basin,northwest China[J].Geochimica, 2007, 36(6):549-558.[王杰,顾忆,饶丹,等.塔河油田奥陶系天然气地球化学特征、成因及运移充注规律研究[J].地球化学,2007,36(6):549-558.]
[9]Xu Yongchang. The structure environment and the helium isotope distribution in natural gas[J]. Frontier in Geoscience, 1997, 4(3-4):185-190.[徐永昌.天然气中氦同位素分布及构造环境[J].地学前缘,1997,4(3-4):185-190.]
[10]Chen Wenzheng. Re-discuss on the Sinian gas source of Weiyuan gas field in Sichuan basin[J]. Natural Gas Industry, 1992, 12(6):28-32.[陈文正.再论四川盆地威远震旦系气藏的气源[J].天然气工业,1992,12(6):28-32.]
[11]Dai Jinxing. The forming reservoir stage and gas source in Weiyuan gas field[J]. Oil Geology and Experiment, 2003, 25(5):473-480.[戴金星.威远气田成藏期及气源[J].石油实验地质,2003,25(5):473-480.]
[12]Xu Yongchang, Liu Wenhui, Shen Ping. The important branch[JP] of natural gas geochemistry-rare gas geochemistry[J].Natural Gas Geoscience, 2003, 14(3):157-166.[徐永昌,刘文汇,沈平.天然气地球化学的重要分支—稀有气体地球化学[J].天然气地球科学,2003,14(3):157-166.]
[13]Xu Sheng, Xu Yongchang, Shen Ping,et al. The rare gas isotope composition in several basins in the west-middle basins in China[J]. Chinese Science Bulletin, 1996, 41(12):1115-1118.[徐胜,徐永昌,沈平,等.中国中西部盆地若干天然气藏中稀有气体同位素组成[J].科学通报,1996,41(12):1115-1118.]
[14]Qin Jianzhong, Fu Xiaodong, Tenger. Assessment on fine marine hydrocarbon source rocks about Triassic-Silurian system in Xuanhan-Daxian area in the north-east part of Sichuan basin[J].Oil Geology and Experiment, 2008,30(4):367-375.[秦建中,付小东,腾格尔.川东北宣汉—达县地区三叠系—志留系海相优质烃源层评价[J].石油实验地质,2008,30(4):367-375.] |
[1] | 陶国亮,王杰,秦建中,刘文汇,腾格尔,申宝剑. 天然气混源比例定量计算的多元数理分析方法[J]. 天然气地球科学, 2016, 27(2): 341-345. |
[2] | 侯读杰,肖中尧,唐友军,朱俊章,李贤庆. 柯克亚油气田混合来源天然气的地球化学特征[J]. 天然气地球科学, 2003, 14(6): 474-479. |
[3] | 黄籍中; . 油气区天然气成因分类及其在四川盆地的应用[J]. 天然气地球科学, 1991, 2(1): 6-15. |
|