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A hydrocarbon enrichment model and prediction of favorable accumulation areas in complicated superimposed basins in china

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petroleum Science 2010年第1期7卷 10-19页

作者： Pang Xiongqi Meng Qingyang Jiang Zhenxue Liu Luofu Lu Xiuxiang State Key Laboratory of petroleum Resources and Prospecting China University of Petroleum Beijing 102249 China Basin and Reservoir Research Center China University of Petroleum Beijing 102249 China Research institute of petroleum exploration and development PetroChina Beijing 100083 China

The geologic conditions of superimposed basins in china are very complicated. This is mainly shown by multi-phase structural evolution, multiple sets of source-reservoir-cap rock combinations, multiple stages of hydrocarbon generation and expulsion from source rocks, multi-cycle hydrocarbon enrichment and accumulation, and multi-phase reservoir adjustment and reconstruction. The enrichment, accumulation and distribution of hydrocarbon is mainly controlled by the source rock kitchen, paleo- anticline, regional cap rock and intensity of tectonic movement. In this paper, the T-BCMS model has been developed to predict favorable areas of hydrocarbon accumulation in complicated superimposed basins according to time and spatial relationships among five key factors. The five factors include unconformity surface representing tectonic balancing （B）, regional cap rock representing hydrocarbon protection （C）, paleo-anticline representing hydrocarbon migration and accumulation （M）, source rock kitchen representing hydrocarbon generation and expulsion （S） and geological time （T）. There are three necessary conditions to form favorable areas of hydrocarbon accumulation. First, four key factors BCMS should be strictly in the order of BCMS from top to bottom. Second, superimposition of four key factors BCMS in the same area is the most favorable for hydrocarbon accumulation. Third, vertically ordered combination and superimposition in the same area of BCMS should occur at the same geological time. The model has been used to predict the most favorable exploration areas in Ordovician in the Tarim Basin in the main hydrocarbon accumulation periods. The result shows that 95% of the discovered Ordovician hydrocarbon reservoirs are located in the predicted areas, which indicates the feasibility and reliability of the key factor matching T-BCMS model for hydrocarbon accumulation and enrichment.

关键词： Complicated superimposed basin key factor matching T-BCMS model favorable area for hydrocarbon accumulation hydrocarbon distribution prediction

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Major factors controlling the formation of middle and large marine carbonate stratigraphic fields

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Science Bulletin 2007年第S1期 44-53页

作者： ZOU CaiNeng & TAO ShiZhen Research institute of petroleum exploration and development, petrochina, Beijing 100083, china

Marine carbonate oil and gas fields have become an important exploration area in china and even across the world. Their formation, distribution and enrichment are special owing to the complexity of the deposition, diagenesis and accumulation, which is caused by the multiplicity of the carbonate depositional environments and facies, huge extensions of formation time and burial depth, complication of diagenetic evolution, heterogeneity as well as the development of pores, caves and fractures affected by various factors. Oil and gas accumulations in carbonate rocks are not strictly controlled by the second-order structure belt. Most of them, under certain structural settings, are controlled by sedimentary diagenesis and its favorable facies. The hydrocarbon reservoir type is predominantly stratigraphic. Based on the worldwide researches of carbonate fields, the paper concludes that 7 main factors control the formation and distribution of middle-large marine carbonate stratigraphic fields.

关键词： carbonates stratigraphic reservoir accumulation condition main controlling factors

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SEQUENCE STRATIGRAPHIC FRAMEWORK AND HYDROCARBON DISTRIBUTION OF THE TERTIARY NONMARINE STRATA IN THE BOHAI BAY RIFT BASIN

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Scientia Geologica Sinica 2001年第2期 73-86页

作者： Xue Liangqing, Chi Yingliu, and Cao Yinghui Research institute of petroleum exploration & development of petrochina, Beijing 100083, china

The Tertiary strata in the Bohai Bay basin consist of the Lower Tertiary sequence deposited at the rift stage and the Upper Tertiary sequence deposited at the post-rift stage. The Lower Tertiary sequence is composed of the three second-order sequences Ek, Es4-3, and Es2-Ed. Every second-order sequence corresponding to one rifting episode can be divided into the lowstand, transgressive, and highstand third-order sequence sets, which are represented as sedimentary products of the initial rifting, lacustrine expanding and contracting stages. The late transgressive and early highstand sequence sets are favorable periods for forming regional source and seal rocks. Three sets of major source and seal rocks and four sets of source-reservoir-seal combinations are recognized in the Tertiary strata. Differences of Tertiary tectonic history in different sags or depressions result in differences of developing periods and features of source-reservoir-seal combinations.

关键词： Bay SEQUENCE STRATIGRAPHIC FRAMEWORK AND HYDROCARBON DISTRIBUTION OF THE TERTIARY NONMARINE STRATA IN THE BOHAI BAY RIFT BASIN

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The controlling factors and distribution prediction of H2S formation in marine carbonate gas reservoir,china

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Science Bulletin 2007年第S1期 150-163页

作者： ZHU GuangYou, ZHANG ShuiChang & LIANG YingBo Research institute of petroleum exploration and development, petrochina, Beijing 100083, china

Generally, there are some anhydrites in carbonate reservoir, as H2S is also familiar in carbonate oil and gas reservoirs. Nowadays, natural gas with high H2S concentration is usually considered as TSR origin, so there is close relationship between H2S and anhydrite. On the contrary, some carbonate rocks with anhydrite do not contain H2S. Recently, researches show that H2S is only a necessary condition of H2S formation. The reservoir porosity, sulfate ion content within formation water, reservoir temperature, oil/gas and water interface, hydrocarbon and some elements of reservoir rock have great controlling effects on the TSR occurrence. TSR deoxidizes hydrocarbon into the acidic gas such as H2S and CO2, and the H2S formation is controlled by TSR occurrence, so the relationship among reaction room, the contact chance of sulfate ion and hydrocarbon, the reservoir temperature has great influence on the TSR reaction. H2S has relatively active chemical quality, so it is still controlled by the content of heavy metal ion. Good conditions of TSR reaction and H2S preservation are the prerequisite of H2S distribution prediction. This paper builds a predictive model based on the characteristic of natural gas reservoir with high H2S-bearing. In the porosity reservoir with anhydrite, the formation water is rich in sulfate and poor in heavy metal ion. Oil and gas fill and accumulate in the gas reservoir with good preservation conditions, and they suffered high temperature later, which indicates the profitable area of natural gas with high H2S-bearing.

关键词： H2S carbonate rock distribution prediction controlling factors TSR Sichuan Basin

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中国油气资源的持续发展与中国特色的石油地质理论

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新疆石油地质 2008年第4期29卷 523-527页

作者：郭占谦中国石油大庆油田有限责任公司勘探开发研究院离退休管理中心黑龙江大庆163712

中国陆核是全球9大陆核中最小的也是唯一一个"四面受挤"的陆核。这种特殊的地球动力学环境,孕育出众多世界知名的地质学家,创建了具有"中国特色"的地质学理论,极大地促进了我国地质理论的发展。正如恩格斯所指出,生产的发展离不开高度... 详细信息

中国陆核是全球9大陆核中最小的也是唯一一个"四面受挤"的陆核。这种特殊的地球动力学环境,孕育出众多世界知名的地质学家,创建了具有"中国特色"的地质学理论,极大地促进了我国地质理论的发展。正如恩格斯所指出,生产的发展离不开高度发展的理论,同样,中国油气资源的持续发展,也需要具有"中国特色"石油地质理论作指导。现有的成盆、成烃、成藏理论受到了严峻的挑战,愈来愈多的资料证实了烃类无机成因的可能性,这正在深刻地改变着现有的油气地质理论基础。

关键词：油气资源持续发展中国特色新理论

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Formation and evolution of the Chinese marine basins

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Science Bulletin 2007年第S1期 1-11页

作者： JIA ChengZao1, LI BenLiang2, 3, ZHANG XingYang3 & LI ChuanXin1 1 Research institute of petroleum exploration and development, petrochina, Beijing 100083, china 2 Resources and Information institute, china University of petroleum, Beijing 102249, china 3 Central Laboratory of petroleum Geology Research, Research institute of petroleum exploration and development, Beijing 100083, china

There are plenty of petroleum resources in the Chinese marine basins, which will be the potential exploration regions of petroleum in the 21st century. The formation and evolution of the Chinese marine basins have mainly undergone two major tectonic epochs and five tectonic evolution stages. The first major tectonic epoch is the early Paleozoic plate divergence and drifting epoch during which the marine basins were formed, and the second one is the late Paleozoic plate convergence and collision epoch during which the pre-existent marine basins were superimposed and modified. The five tectonic evolution stages include: ① the drifting of micro-continental plates in Oceans and the formation of marine basins mainly filled with carbonate rocks during Proterozoic-Middle Carboniferous; ② the northward collage and convergence of continental plates and the development of the paralic sedimentary basins during Late Carboniferous-Middle Triassic; ③ the tectonically stabilized stage after the plate collage and the superimposition of lacustrine basins controlled by the inland subsidence during Late Triassic-Early Cretaceous; ④ the stage of the inland deformation and successive deep burial, uplifting, erosion or breakage of marine basins influenced by the plate tectonic activities of Neo-Tethys Ocean and the West Pacific developed in Late Cretaceous-Paleocene; ⑤ the stage of the foreland compression and basin-range coupling in the margin of the marine basins caused by the collision between India and Eurasia Plates and its long-distance effect since Neocene. The process of the tectonic evolution has controlled the petroleum geologic characteristics of Chinese marine basins, and a material foundation for the formation of oil and gas reservoirs has been built up via the formation of Paleozoic ma- rine basins, and the Mesozoic-Cenozoic tectonic superimposition and modification have controlled the key conditions of hydrocarbon accumulation and preservation. From the Late Proterozoic to

关键词： marine basin plate tectonics tectonics evolution petroleum exploration

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对质疑Wang-Li产量数学模型一文的解析

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新疆石油地质 2008年第4期29卷 532-534页

作者：王俊魁中国石油大庆油田有限责任公司勘探开发研究院黑龙江大庆163712

"质疑"一文认为Wang-Li模型存在数学原理的错误,模型是不成立的,应用实例结果也是不可信的。仔细地阅读了该文,并未发现其中有否定Wang-Li模型实质性的理由与论据。针对该文提出的3个问题,对模型结构进行了深入理论分析与应用实践检验,... 详细信息

"质疑"一文认为Wang-Li模型存在数学原理的错误,模型是不成立的,应用实例结果也是不可信的。仔细地阅读了该文,并未发现其中有否定Wang-Li模型实质性的理由与论据。针对该文提出的3个问题,对模型结构进行了深入理论分析与应用实践检验,进一步证明了Wang-Li模型的数学原理是正确的,结构是严谨的;当模型积分下限t=0时,Np0不为零;常数项C为大于-1的数值时,也不会出现难以置信的结果。

关键词：模型产量可采储量预测

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鸡西盆地煤层气勘探方向

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天然气工业 1996年第3期16卷 1-4页

作者：唐金生大庆石油管理局勘探开发研究院

鸡西盆地位于黑龙江省东南部,面积3780km^2,是我国重要产煤基地之一。盆地内上侏罗统穆棱组和城子河组为含煤地层,具有多煤层、多煤种和厚度大等特点。煤乐中煤岩有机质丰度高,煤种以肥煤一气煤为主,具有生成煤成气的物质基础。煤岩显... 详细信息

鸡西盆地位于黑龙江省东南部,面积3780km^2,是我国重要产煤基地之一。盆地内上侏罗统穆棱组和城子河组为含煤地层,具有多煤层、多煤种和厚度大等特点。煤乐中煤岩有机质丰度高,煤种以肥煤一气煤为主,具有生成煤成气的物质基础。煤岩显微组分构成以镜质体为主,产气能力高,模拟实验煤气发生率达99.9mL/g。据计算,全盆地煤层的总生气量为67048×10~8m^3,资源量十分可观,是勘探煤层气的有利盆地。据地质条件分析认为,盆地北部的兰岭村—东海区及南部的合作区是勘探煤层气的有利区。

关键词：盆地侏罗纪勘探区煤层气

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提高储量评估水平的三大地质要素

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石油学报 2004年第1期25卷 25-29页

作者：毕海滨查全衡王永卓中国石油勘探开发研究院北京100083 大庆油田有限责任公司黑龙江大庆163453

分析了我国石油地质储量的发展历程及现状 ,探讨了油藏及储集类型不同时影响地质储量变化的因素 ;主要体现在储层的含油面积和有效厚度两个参数的变化上 ,即含油体积的变化。概括了影响地质储量评估的三个不确定性 :油藏样本的局限性 ,... 详细信息

分析了我国石油地质储量的发展历程及现状 ,探讨了油藏及储集类型不同时影响地质储量变化的因素 ;主要体现在储层的含油面积和有效厚度两个参数的变化上 ,即含油体积的变化。概括了影响地质储量评估的三个不确定性 :油藏样本的局限性 ,技术的不确定性 ,经济的不确定性。在地质储量评估方面应加强对构造特征、储层分布及油水关系等三大地质基础的研究 ,合理评估不同地质条件下构造图的精度 ,正确区分油藏类型及油水系统 ,充分认识储层分布及其非均质性特点。

关键词：地质储量构造特征储层分布油藏评估不确定性技术经济

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Physical simulation of fluid flow and production performance in extra-low permeability porous media

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petroleum Science 2009年第4期6卷 415-420页

作者： You Yuan Yue Xiang’an Li Mingyi Zhao Chunpeng Zhang Tao Key Laboratory of petroleum Engineering Ministry of EducationChina University of PetroleumBeijing 102249China Enhanced Oil Recovery Research Center China University of PetroleumBeijing 102249China Jilin Oil Field PetroChinaSongyuanJilin 138000China exploration&Production Research institute SinopecBeijing 100083China exploration Department Changqing Oil FieldPetroChinaXi’anShaanxi 710018China

For extra-low permeability reservoirs, with a permeability of about 0.3×10?3 μm2, fluid flow and production performance in cores were studied. A long core holder with a multi-location piezometric measurement was specially designed. An artificial long core, about 700 mm long and with a cross section of 45mm×45mm, was used. In the experiment, pressure distribution along the core can be measured in real time. Single phase flow in the core was investigated. Different modes of production in long cores were also simulated including natural depletion, water flooding, and advanced water flooding. Through physical simulation, flow parameters were collected and production characteristics in extra-low permeability cores were studied. From experimental results, it can be seen that fluid flow in extra-low permeability cores is different from that in high permeability cores. Transmission of pressure in extra-low permeability cores is very slow, and it needs a long time for the pressure to become stable. The distribution curve of pressure along the core is nonlinear and the production rate in extra-low permeability reservoirs decreases sharply. The development effects of different production modes in extra-low permeability cores were compared with one another. Among the production modes, advanced water flooding has much potential for effective development of extra-low permeability reservoirs. Natural depletion and conventional water flooding can also be used in early production periods. In addition, the countermeasures and some ideas especially for the potential development of extra-low permeability reservoirs are suggested.

关键词： Extra-low permeability reservoirs physical simulation fluid flow production performance

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