Differential Hydrocarbon Migration and Accumulation in Complex Fissure and&nbsp; Pore Carbonate Reservoir of Superposition Basin：An Example of&nbsp; Pore-Fissure-Fracture Reservoir Formed by Supergene Karstification in Tz83 Well Area

WANG Fu-Huan, HAN Jian-Fa, XIANG Cai-Fu, XU Hong-Feng, ZHANG Yun-Feng, WANG Xia

doi:10.11764/j.issn.1672-1926.2010.01.33

2010 , Vol. 21 >Issue 1: 33 - 41

DOI: https://doi.org/10.11764/j.issn.1672-1926.2010.01.33

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Differential Hydrocarbon Migration and Accumulation in Complex Fissure and Pore Carbonate Reservoir of Superposition Basin：An Example of Pore-Fissure-Fracture Reservoir Formed by Supergene Karstification in Tz83 Well Area

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1.Southwest Petroleum University,Chengdu 610500, China;2.Tarim Oilfield Company, PetroChina,Korla 841000, China;3.China University of Petroleum, Beijing 102249, China.

Received date: 2009-02-21

Revised date: 2009-09-25

Online published: 2010-02-10

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Abstract

Mechanism of hydrocarbon migration and accumulation in complicated carbonate pore\|fissure\|fracture reservoir of the superposition basin is a key scientific problem to be solved. The production of crude oil and natural gas in the Tz83 well area is much high at the intersection point between NE and NW trending faults, gradually decreases away the intersection point and distributes along the structural ridge. This phenomenon is contradiction with the traditional distribution model of gas accumulated in the core while oil accumulated in the limb of an anticline. A conceptual model of the pore-fissure-fractures reservoir formed by supergene karstification was built according to the related carbonate karstification research results. The differential hydrocarbon migration and accumulation in the complex fissure-pore carbonate reservoir is the fate factor causing the abnormal distribution of oil and gas. Hydrocarbon was firstly charged into the nearest hole, pore and fissure; then migrated and charged into the other compartment alone migration pathway after the first compartment filling. Thus hydrocarbon was charged into the compartment in order, with two patterns as follows: ① Preferential accumulation of gas at the hydrocarbon-filling point, while oil accumulation far away the filling point; ② Complex gas-oil-water correlation controlled by the lateral connected networks. The latter pattern of hydrocarbon migration and filling is in coincidence with the oil and gas distribution in Tazhong area. Therefore, the intersection position of the faults is a place of oil and gas filling, and the main pathway of oil and gas migration is along structural ridge. The differential hydrocarbon migration and accumulation in the complex fissure-pore carbonate reservoir give us the following indications: ①Hydrocarbon exploration of fissure and pore reservoir should firstly describe the structure of the fissure-fracture reservoir, and the special distribution of gas-oil-water correlation can be predicted according to main charging point and migration pathway; ②Hydrocarbon exploration should be confined to hydrocarbon charging point and main migration pathway. The exploration aim should not be given up due to some failed wells.

Key words： Different hydrocarbon migration and accumulation; Supergene karstification; Pore-fissure-fracture reservoir; Tazhong area; Superposition basin.

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WANG Fu-Huan, HAN Jian-Fa, XIANG Cai-Fu, XU Hong-Feng, ZHANG Yun-Feng, WANG Xia . Differential Hydrocarbon Migration and Accumulation in Complex Fissure and Pore Carbonate Reservoir of Superposition Basin：An Example of Pore-Fissure-Fracture Reservoir Formed by Supergene Karstification in Tz83 Well Area[J]. Natural Gas Geoscience, 2010 , 21(1) : 33 -41 . DOI: 10.11764/j.issn.1672-1926.2010.01.33

References

［1］Jin Zhijun, Wang Qingchen. The application of the characteristics and hydrocarbon reservoirs of representative superimposed basins in China［J］.Science in China:Ser.D, 2004,34(supplement Ⅰ):1-12.［金之钧,王清晨. 中国典型叠合盆地与油气成藏研究新进展——以塔里木盆地为例［J］.中国科学:D辑,2004,34(Supplement Ⅰ):1-12.］

［2］He Dengfa, Jia Chengzao, Tong Xiaoguang,et al.Discussion and analysis of superimposed sedimentary basins［J］.Petroleum Exploration and Development, 2004, 31(1):1-7.［何登发,贾承造,童晓光,等.叠合盆地概念辨析［J］.石油勘探与开发, 2004, 31(1):1-7.］

［3］Pang Xiongqi, Luo Xiaorong, Jiang Zhenxue,et al.Advancements and problems on hydrocarbon accumulation research of complicated superimposed basins in western China［J］.Advances in Earth Science, 2007, 22(9):879-887.［庞雄奇,罗晓容,姜振学,等.中国西部复杂叠合盆地油气成藏研究进展与问题［J］.地球科学进展,2007, 22(9):879-887.］

［4］Jia Chengzao. Formation and evolution of the superimposed basins in China and potential of hydrocarbon exploration of theirs middle-lower complex［J］.China Petroleum Exploration,2006,1:1-4.［贾承造.中国叠合盆地形成演化与中下组合油气勘探潜力［J］.中国石油勘探,2006,1:1-4.］

［5］Zhang Guangya, Zhao Wenzhi, Zou Caineng,et al.Petroleum geological conditions and exploration potential in middle and lower combinations of onshore superimposed basins in China［J］.Earth Science Frontiers, 2008,15(2):120-126.［张光亚,赵文智,邹才能,等. 中国陆上叠合盆地中下组合油气成藏条件及勘探潜力［J］.地学前缘,2008,15(2):120-126.］

［6］Law B E. Basin-centered gas systems［J］.AAPG Bulletin,2002b, 86(11):1891-1915.

［7］Law B E,Curtis J B. Introduction to unconventional petroleum systems［J］.AAPG Bulletin, 2002, 86(11):1851-1852.

［8］Wu Heyong, Liang Xiaodong, Xiang Caifu,et al.The characteristics of downfold reservoir and investigation of hydrocarbon ccumulation in Songliao basin［J］.Science in China:Ser.D, 2007,37(2):185-191.［吴河勇,梁晓东,向才富,等.松辽盆地向斜油藏特征及成藏机理探讨［J］.中国科学：D辑，地球科学,2007,37(2):185-191.］

［9］Wei Liling, Kang Zhihong. An approach on flow units in fracture-and-cavernous carbonate reservoirs［J］.Xingjiang Geology, 2005,23(2):169-172.［魏历灵,康志宏.碳酸盐岩油藏流动单元研究方法探讨［J］.新疆地质,2005,23(2):169-172.］

［10］Guo Chunhua, Yang Yu, Mo Zhenmin,et al.Study and discussion on flow units of fractured carbonate reservoir［J］.Petroleum Geology and Engineering, 2006,20(6):34-37.［郭春华, 杨宇, 莫振敏,等. 缝洞型碳酸盐岩油藏流动单元概念和研究方法探讨［J］.石油地质与工程, 2006,20(6):34-37.］

［11］Bradley J S, Powley D E. Pressure compartments in sedimentary basin: A review on basin compartment and seal［J］.AAPG Memoir, 1994, 61:3-26.

［12］Zhu Zongqi, Miao Jianyu, Liu Wenrong,et al.The pressured fluid compartment and its preserving to secondary pores［J］.Journal of Northwest University:Natural Science Edition, 1997,27(1):73-78.［祝总祺,苗建宇,刘文荣,等.论压力封存箱及其对次生孔隙的保护作用［J］.西北大学学报:自然科学版, 1997,27(1):73-78.］

［13］Jin Zhijun. Particularity of petroleum exploration on marine carbonate strata in China sedimentary basins［J］.Earth Science Frontiers, 2005, 12(3):15-22.［金之钧.中国海相碳酸盐岩层系油气勘探特殊性问题［J］.地学前缘,2005,12(3):15-22.］

［14］[JP2]Xiang Caifu, Xia Bin, Xie Xinong,et al.Tracing hydrocarbon migration by integrated analysis of different kinds of tracers in western slope zone of Songliao basin, northeast China［J］.Geological Science and Technology Information, 2004, 23(4):64-70.［向才富,夏斌,解习农,等. 松辽盆地西部斜坡带流体运移示踪分析［J］.地质科技情报, 2004, 23(4):64-70.］[JP]

［15］Vincelette R R ,Chittum W E. Exploration for oil accumulations in Entrada sandstone, San Juan basin, New Mexico［J］.AAPG Bulletin, 1981, 65:2546-2570.

［16］Allan U S. Model for hydrocarbon migration and entrapment within faulted structures ［J］.AAPG Bulletin, 1989, 73(7):803-811.

［17］Esteban M, Klappa C F. Subaerial exposure surfaces, in P.A. Scholle,et al.(eds.), Carbonate depositional environments［J］.AAPG Memoir, 1983, 33:1-54.

［18］Kerans C. Karst-controlled reservoir heterogeneity in Ellenburger group, carbonates of west Texas［J］.AAPG Bulletin, 1988, 72(10):1160-1183.

［19］Zhu Qihuang. Development pattern, evolution characteristic and reservoir types of carbonate paleaokarst［J］.Xinjiang Petroleum Geology, 1993, 14(2):188-196 .［朱起煌. 碳酸盐岩古岩溶相的发育模式、演化特点及储层类型［J］.新疆石油地质, 1993, 14(2):188-196.］

［20］Budd D A, Saller A H, Harris P M. Unconformities and porosity in carbonate strata［J］.AAPG Memoir, 1995, 63: 55-76.

［21］Xia Riyuan, Tang Jiansheng, Zou Shengzhang,et al. Palaeo-karst research of the carbonate oil-gas field and its application to oil-gas exploration and development［J］.Acta Geoscientica Sinica, 2006,27(5):503-509.［夏日元,唐建生,邹胜章,等. 碳酸盐岩油气田古岩溶研究及其在油气勘探开发中的应用［J］.地球学报,2006,27(5):503-509.］

［22］Gu Jiayu. Characterstics and evolutional model of karst reservoir of Lower Ordovician carbonate rocks in Lunnan area of Tarim basin［J］.Journal of Palaeogeography, 1999,1(1):54-60.［顾家裕.塔里木盆地轮南地区下奥陶统碳酸盐岩岩溶储层特征及形成模式［J］.古地理学报, 1999,1(1):54-60.］

［23］Liu Zhongbao, Yu Bingsong, Li Tingyan,et al.Sequence development controls on iyngenesis karst of the middle-upper ordovician carbonate in Tazhong Area,Tarim basin［J］.Acta Sedimentologica Sinica, 2004, 22(1):103-109.［刘忠宝,于炳松,李廷艳,等. 塔里木盆地塔中地区中上奥陶统碳酸盐岩层序发育对同生期岩溶作用的控制［J］.沉积学报,2004, 22(1):103-109.］

［24］He Faqi. Karst Weathering crust oil-gas field on carbonate unconformity: an example from the Tahe oilfield in the ordovician reservoir in the Tarim basin［J］.Geological Review, 2002, 48(4):391-397.［何发崎. 碳酸盐岩地层中不整合岩溶风化壳油气田——以塔里木盆地塔河油田为例［J］.地质论评, 2002, 48(4):391-397.］

［25］Hunt J M. Petroleum Geochemistry and Geology(2nd ed.) ［M］.New York: W.H. Freeman and Company, 1994：1-627.

［26］England W A, Mackenzie A S, Mann D M,et al.The movement of entrapment of petroleum in the Subsurface［J］.Journal of the Geological Society,1987,144:327-347.

［27］Hindle A D. Petroleum migration pathways and charges in concentration:A three-dimensional model［J］.AAPG Bulletin, 1997,81:1451-1481.

［28］Thompson K F M .Contrasting Characteristics Attributed to Migration Observed in Petroleums Reservoired in Clastic and Carbonate Sequences in the Gulf of Mexico Region[C]//England W A, Fleet A J.Petroleum migration.Geological Society, Special Publication,1991, 59:191-205.

［29］Miles J A. Secondary migration routes in the Brent sandstones of the Viking Graben and east Shetland basin: Evidence from oil residues and subsurface pressure data［J］.AAPG Bulletin,1990,74(11):1718-1735.

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