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Quantitative studies of hydrocarbon loss of the Silurian bitumen sandstone in the Tarim Basin

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Science china Earth Sciences 2008年第S2期51卷 101-107页

作者： JIANG ZhenXue1,2,PANG XiongQi1,2,LIU LuoFu1,2,WANG XianDong3.ZHANG Jun4 & LI HongYi1,2 1 Basin and Reservoir Research Center,china University of Petroleum,Beijing 102249,china 2 State Key Laboratory of Petroleum Resource and Prospecting,china University of Petroleum,Beijing 102249,china 3.Research institute of exploration and development,Daqing oilfield company Ltd,Daqing 163.12,china 4 Petroleum exploration and Production institute of SINOPEC,Beijing 100083.china china Univ Petr Basin & Reservoir Res Ctr Beijing 102249 Peoples R China china Univ Petr State Key Lab Petr Resource & Prospecting Beijing 102249 Peoples R China Daqing oilfield Co Ltd Res Inst Explorat & Dev Daqing 163712 Peoples R China SINOPEC Petr Explorat & Prod Inst Beijing 100083 Peoples R China

The evolution of Tarim Basin experienced several tectonic movements,of which Caledonian movement caused a serious damage to reservoirs of Silurian. The earlier reservoirs size and the later hydrocarbon loss are two key factors to exploration prospect of Silurian. On the basis of net thickness of bituminous sandstone and recovery coefficient of crude oil converting to bitumen,the scale of the hydrocarbon loss of palaeo-accumulation in bitumen sandstone of Silurian was calculated (86.3.×108t). The deter-mination of net thickness of bitumen sandstone was completed mainly by several methods,such as physical property demarcation,observing lithology,grains with oil inclusion (GOI) technology,and quantitative grains fluorescence (QGF) technology. The samples of black sandstone and white sand-stone were collected and compared by means of the methods mentioned above. The results showed that there was little hydrocarbon,or none,in the white sandstone. The recovery coefficient was ob-tained by the analyses of plentiful physical parameters of crude oil and bitumen sandstone,based on the hypothesis that nonhydrocarbon compounds and bitumen were invariable in the process of bitu-men forming. The calculated result,which is more scientific and actual,indicates the exploration pros-pect is more promising in Silurian of the Tarim Basin.

关键词： Tarim Basin Silurian bitumen sandstone hydrocarbon loss quantitative research recovery coefficient

china Facing Five Major Challenges for Energy development

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china Oil & Gas 2004年第2期000卷 20-21页

作者： Ma Cuijie, Research institute for exploration & development Jidong {3. company, petrochina Research institute for exploration & development Jidong {3. company PetroChina

china’s energy development will be confronted with five major challenges in the coming decades, experts said at the International Partnership for the Hydrogen Economy (IPHE) Steering Committee in Beijing in late May. The five major challenges include high oil import dependency which threatens the nation’s energy security, using coal as the main energy generator, which leads to severe pollution, gigantic

关键词： china Facing Five Major Challenges for Energy development PEMFC

Multinationals Competing for china's Oil Products Retail Market

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china Oil & Gas 2004年第2期000卷 46-47页

作者： Jin Meijuan, Research institute for exploration & development Jidong {3. company, petrochina Research institute for exploration & development Jidong {3. company PetroChina

In a footnote to growing Sino-British trade, companies from both countries signed contracts worth more than US$1.5 billion on May 11 in London. Britain’s leading energy business BP alone signed four contracts worth m... 详细信息

关键词： BP will than Multinationals Competing for china’s Oil Products Retail Market US

Reservoir differences and formation mechanisms in the Ke-Bai overthrust belt,northwestern margin of the Junggar Basin,china

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Petroleum Science 2010年第1期7卷 40-48页

作者： Zhu Xiaomin Zhu Shifa Xian Benzhong Chen Shuping Kuang Lichun Xue Xinke Xue Jingjing You Xincai State Key Laboratory of Petroleum Resources and Prospecting China University of Petroleum Beijing 102249 China Faculty of Geoscience China University of Petroleum Beijing 102249 China Research institute of Petroleum exploration and development Xinjiang Oilfield Company CNPC Karamay Xinjiang 834000 China

There are some differences in reservoir quality of clastic rock between the hanging wall and the foot wall of the Ke-Bai overthrust belt, northwestern margin of the Junggar Basin, western china, which affect the efficient petroleum exploration in this highly mature exploration area. Based on a large number of thin-sections, cast thin-sections, and physical property analysis of cores, we systematically discuss the Permian-Jurassic reservoir differences between the hanging wall and the foot wall of the Ke- Bai overthrust fault from the aspects of structural evolution, time-space distribution of the depositional system, diagenesis characteristics, and reservoir quality and analyzed the reasons for the differences in reservoir properties. The overthrusting of the Ke-Bai fault directly results in different burial histories, diagenesis evolution, and porosity evolution between the hanging wall and the foot wall. The diflbrences of reservoir characteristics are mainly embodied in buried depth, grain size, sedimentary facies, diagenetic stage, and reservoir quality. The analysis results showed that burial history and depositional characteristics controlled by overthrusting are direct influencing factors of reservoir differences. Because of shallow burial depth of the hanging wall, the reservoir compaction is weak and primary pores are preserved well. The porosity of reservoir on the hanging wall is generally 10%-25%. The strata on the foot wall are deeply buried, and there are mainly mixed pores with the average porosity of 5%-20%. The favorable reservoir on the foot wall is generally developed near faults or in the channel sand bodies, which are usually dissolution {3. areas.

关键词： Junggar Basin overthrust belt reservoir differences formation mechanism

Controlling Factors Affecting Pressure Differential development of the Upper Paleozoic Gas Reservoir in the Sulige and Yulin Area of the Ordos Basin

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地学前缘 2009年第S1期16卷 126-127页

作者： Hao Xu~1,Junfeng Zhang~2,Chengzao Jia~3.Dazhen Tang~1,Ming Li~3.Wenzhong Zhang~1 1.Key Laboratory of Marine Reservoir Evolution and Hydrocarbon Accumulation Mechanism,Ministry of Education,china University of Geosciences(Beijing),Beijing 100083.china. 2.petrochina {3. and Production company,Beijing 100724,china 3.Research institute of Petroleum {3. & development,Beijing 100083.china

The origin and distribution of Upper Paleozoic reservoirs pressure in mid-northem Ordos Basin has attracted widespread attention in recent *** reservoir pressure of Sulige area shows characteristics of basically subnormal pressure,and the reservoir pressure of Yulin area shows characteristics of basically normal hydrostatic *** the sense of structural location,

关键词： Ordos Basin Sulige area Yulin area formation pressure controlling factors

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复杂地质构造条件下地应力模型与图版解释法

新疆石油地质 2008年第4期29卷 510-512页

作者：杨虎刘颖彪中国石油新疆油田分公司勘探开发研究院新疆克拉玛依834000

由于传统水平地应力模型中的构造系数很难准确求取,无法获得计算水平主地应力的数学式。借助已钻井的测井资料、采用钻井地破试验或水力压裂试验法可较精确地测定最小水平主地应力;在测井数据反演地层岩石参数的基础上,利用复杂构造条... 详细信息

由于传统水平地应力模型中的构造系数很难准确求取,无法获得计算水平主地应力的数学式。借助已钻井的测井资料、采用钻井地破试验或水力压裂试验法可较精确地测定最小水平主地应力;在测井数据反演地层岩石参数的基础上,利用复杂构造条件下主地应力力学模型,建立目标井水平主地应力的数学关系并绘制解释图版,由此求取最大水平主地应力值。该图版解释新方法充分考虑了上覆岩体的自重、地质构造应力及地层孔隙压力,可较准确的预测勘探目标区块水平主地应力。

关键词：复杂构造地应力模型图版解释地破试验实例

Hydrocarbon enrichment characteristics and difference analysis in the TZ1-TZ4 well block of the Tarim Basin

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Petroleum Science 2010年第2期7卷 201-210页

作者： Jiang Zhenxue Pang Xiongqi Yang Haijun Li Zhuo Xiang Caifu Gu Qiaoyuan State Key Laboratory of Petroleum Resources and Prospecting Beijing 102249 China Basin and ReservoirResearch Center China University＂ of Petroleum Beijing 102249 China exploration and development institute of the Tarim {3. company PetroChina Korla Xinjiang 841000 China

The reservoirs in the TZ1-TZ4 well block of the Tarim Basin are complex, and the hydrocarbon enrichment shows differences. The three Carboniferous oil layers are characterized by ＂oil in the upper and lower layers and gas in the middle＂ in profile and ＂oil in the west and gas in the east＂ in plane view. In order to discuss the complex reservoir accumulation mechanisms, based on the petroleum geology and reservoir distribution, we studied the generation history of source rocks, the fault evolution and sealing, the accumulation periods and gas washing, and reconstructed the accumulation process of the TZ1-TZ4 well block. It is concluded that the hydrocarbon enrichment differences of oil layers CIII, CII and CI were caused by multiple sources and multi-period hydrocarbon charging and adjustment. The CII was closely related to CIII, but CI was formed by reservoir adjustment during the Yanshan period and was not affected by gas washing after it was formed. During the Himalayan period, different degrees of gas washing in the east and west led to hydrocarbon enrichment differences on the plane. The Carboniferous accumulation process of two-stage charging and one-stage adjustment is summarized： oil charging during the late Hercynian period is the first accumulation period of CIII and CII; oil reservoirs were adjusted into CI in the Yanshan period; finally gas washing in the Himalayan period is the second accumulation period of CIII and CII, but CI was not affected by gas washing. This complex accumulation process leads to the hydrocarbon enrichment differences in the TZ1-TZ4 well block.

关键词： Tarim Basin enrichment difference multi-source and multi-period charging accumulation process

Poly-phase salt tectonics and hydrocarbon accumulation in Tarim superimposed basin,northwest china

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Science china Earth Sciences 2004年第Z2期47卷 104-113页

作者： TANG Liangjie1,2, JIN Zhijun1’3. JIAChengzao1’4, Pl Xuejun5 & CHEN Suping1,2 1. Key Laboratory for Hydrocarbon Accumulation of Education Ministry, Beijing 102249, china 2. Basin & Reservoir Research Center, University of Petroleum, Beijing 102249, china 3. institute of Petroleum {3. and development, SINOPEC, Beijing 100083. china 4. petrochina company Limited, Beijing 100011, china 5. Tarim oilfield company, petrochina company Ltd., Korla 841000, china Key Laboratory for Hydrocarbon Accumulation of Education Ministry Beijing 102249 China Basin & Reservoir Research Center University of Petroleum Beijing 102249 China Key Laboratory for Hydrocarbon Accumulation of Education Ministry Beijing 102249 China institute of Petroleum exploration and development SINOPEC Beijing 100083 China Key Laboratory for Hydrocarbon Accumulation of Education Ministry Beijing 102249 China petrochina company Limited Beijing 100011 China Tarim oilfield company PetroChina Company Ltd. Korla 841000 China

The purpose of this paper is to discuss the poly-phase salt tectonics and its relation to the hydrocarbon accumulation of the Tarim superimposed basin. Several salt sequences are developed in the Tarim basin, they are: (1) the Mid-Early Cambrian salt sequence, mainly distributed in the west part of the north Tarim uplift and Keping uplift; (2) the Early Carboniferous salt sequence, mainly distributed in the south slope of the north Tarim uplift; (3. the Paleogene salt sequence, mainly distributed in the mid-west part of the Kuqa foreland fold belt and north Tarim uplift; and (4) the Miocene salt sequence, mainly distributed in the east part of the Kuqa foreland fold belt. The salt sequences deposited in the tectonically calm scenario, while the salt layers deformed during the period of intense tectonism. Although the salt sequences are characteristic of plastic flow, the differences of salt deformation styles exist in the different salt sequences be-cause of the different deformation mechanism. It is attractive that the distribution of the large oil-gas fields or pools has a bearing upon the salt sequences and salt structures, such as the Tahe oilfield related to the Lower Carboniferous salt sequence and laterally facies changed mudstone, the Kela No.2 gas field to the Paleogene salt structures, and the Dina gas field to the Miocene salt structures. It is indicated that the large-scale hydrocarbon accumulation is con-trolled by the poly-phase salt sequences and structures. The deep analysis of the poly-phase salt tectonics is helpful to understanding the characteristics of the structural deformation and oil-gas accumulation of the Tarim basin.

关键词： superimposed basin, salt tectonics, hydrocarbon accumulation, Tarim basin.

准噶尔盆地南缘深部优质储集层及有利勘探领域

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新疆石油地质 2008年第4期29卷 435-438页

作者：雷德文唐勇常秋生中国石油新疆油田分公司勘探开发研究院新疆克拉玛依834000

准噶尔盆地南缘深部碎屑岩优质储集层岩性主要为滨岸及三角洲前缘环境沉积的不等粒、中-细粒及极细粒砂岩,具有成分成熟度及结构成熟度较高、杂基含量低、成岩演化程度较低、固结较弱、储集性能较好的特点,深部碎屑岩相对优质储集层形... 详细信息

准噶尔盆地南缘深部碎屑岩优质储集层岩性主要为滨岸及三角洲前缘环境沉积的不等粒、中-细粒及极细粒砂岩,具有成分成熟度及结构成熟度较高、杂基含量低、成岩演化程度较低、固结较弱、储集性能较好的特点,深部碎屑岩相对优质储集层形成主要与高能沉积环境、长期处于碱性成岩环境、早期长期浅埋-后期快速深埋、异常高压、早期胶结-后期溶蚀等因素有关。南缘第二、第三排构造带为重要的勘探领域,新近纪、古近纪、白垩纪及晚侏罗世,沿古湖岸线的滨岸及三角洲前缘的高能环境沉积的有利的储集体是南缘深部重要的勘探目标。

关键词：准噶尔盆地南缘优质储集层控制因素勘探领域