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Formation mechanisms of heavy oils in the liaohe Western Depression,Bohai Gulf Basin

Science china Earth Sciences 2008年第S2期51卷 156-169页

作者： LI SuMei1,2,PANG XiongQi1,2,LIU KeYu3,GAO XianZhi1,2,LI XiaoGuang4,CHEN ZhenYan4 & LIU BaoHong41 State Key Laboratory of Petroleum Resource and Prospecting,china University of Petroleam,Beijing 102249,china 2 Basin and Reservoir Research Center,china University of Petroleum,Beijing 102249,china 3 CSIRO Petroleum,P.O. Box 1130,Bentley WA 6102,Australia 4 liaohe oilfield co. ltd.petrochina,panjin 12.010,china State Key Laboratory of Petroleum Resource and Prospecting China University of Petroleam Beijing China Basin and Reservoir Research Center China University of Petroleum Beijing China CSIRO Petroleum Bentley Australia liaohe oilfield co. ltd PetroChina Panjin China

The liaohe oilfield in the liaohe Western Depression of the Bohai Gulf Basin is the third-largest oil producing province and the largest heavy oil producing oilfield in china. A total of 65 oil samples,35 rock samples and 36 reservoir sandstone samples were co.lected and analyzed utilizing co.ventional geochemical and biogeochemical approaches to unravel the mechanisms of the formation of the heavy oils. Investigation of the oils with the lowest maturity co.pared with the oils in the Gaosheng and Niuxintuo oilfields indicates no apparent relation between the maturity and physical properties of the heavy oils. It is suggested that the heavy oil with primary origin is not likely the main mechanism re-sponsible for the majority of the heavy oils in the liaohe Western Slope. The absence and/or depletion of n-alkanes etc.,with relatively low molecular weight and the occurrence of 25-norhopane series in the heavy oils as well as the relatively high acidity of the oils all suggest that the majority of the heavy oils once experienced seco.dary alteration. The fingerprints of the total scanning fluorescence (TSF) of the inner adsorbed hydrocarbons on the reservoir grains and the included hydrocarbons in fluid inclusions are similar to that of the normal oils in the area but are different from the outer adsorbed and reser-voired free oils at present,further indicating that most of the heavy oils are seco.dary in origin. Analyses of bacteria (microbes) in 7 oil samples indicate that anaerobic and hyperthermophilic Ar-chaeoglobus sp. are the dominant microbes relevant to oil biodegradation,which co.ncides with the shallow co.mercial gas reservoirs co.taining anaerobic bacteria derived gas in the Gaosheng and Leijia teotonic belts. The biodegradation most likely occurs at the water/oil interface,where the forma-tion water is essential for microbe removal and nutrient transportation. We think that biodegradation,water washing and oxidization are interrelated and are the main mech

关键词： heavy oil liaohe Western Depression biodegradation water washing formation mechanism

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Pool-formation and seco.dary change of biodegraded visco.s oils:Case study of reservoir section in the ZhengjiaWangzhuang oilfield, Jiyang Depression

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Chinese Science Bulletin 2004年第S1期49卷 39-49页

作者： WANG Zhenqi, PENG Ping’an, YU Chiling, LU Hong, ZOU Yanrong, ZHANG Linye & LIU Junmin State Key Laboratory of Organic Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, china Department of Earth Science, Yangtze University, Jingzhou 434023, china Research Institute of Geology, Shengli oilfield co. ltd., SINOPEC, Dongying 257015, china State Key Laboratory of Organic Geochemistry Guangzhou Institute of Geochemistry Chinese Academy of Sciences Guangzhou China Department of Earth Science Yangtze University Jingzhou China Research Institute of Geology Shengli Oilfield Co. Ltd. SINOPEC Dongying China

It is demonstrated by various geochemical indexes that the Zhengjia-Wangzhuang oilfield with visco.s crude oil in the Jiyang Depression has been sourced from the co.tribution of matured source rocks in the upper Es4. The principal cause leading to the densification of crude oils would be biodegradation, with the degradation level of crude oils being ranked as 2-8; vertically, the biodegradation level increases from the top to bottom of the oil co.umn, with a distinctive biodegradation gradient occurring. Calculated parameters of sterane, terpane and methyl-phenanthrene have indicated that the source-rock’s maturity of crude oils and asphaltic sands ranges from 0.7 to 0.9, and based on the calculation of Easy Ro model, the temperature of hydrocarbon generation in the source rock would be within 120-140℃, which co.ncides with the measurements of reservoir inclusions. The measured homogenization temperature would represent the generation temperature of the source rock, and be fairly different from that

关键词： visco.s oil biodegradation time of pool-formation time of degradation Jiyang Depression.

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海外河稠油油田注水开发效果评价

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特种油气藏 2001年第3期8卷 44-48页

作者：周鹰中油辽河油田分公司金马油田股份有限公司辽宁盘锦124010

运用现代油藏工程、三维地震精细解释、有机地球化学录井、现代工艺技术等新方法 ,对高效开发的海外河油田 11年来按不同的开发阶段所暴露出的矛盾进行治理 ,并对不断提高开发水平的方法进行研究和评价。通过对海外河油田历年开发方式... 详细信息

运用现代油藏工程、三维地震精细解释、有机地球化学录井、现代工艺技术等新方法 ,对高效开发的海外河油田 11年来按不同的开发阶段所暴露出的矛盾进行治理 ,并对不断提高开发水平的方法进行研究和评价。通过对海外河油田历年开发方式和开发效果的统计分析 ,总结该油田成功的做法 ,提出层状砂岩常规稠油油藏不同开发时期的开发方式和方法。根据不同开发时期选择不同开发方式 ,保持了油田多年的高效开发。根据层状砂岩常规稠油油藏特点 ,按天然能量开发、局部注水开发、全面注水开发 ,不断完善注采井网 ,调整措施结构和注采结构。

关键词：稠油油藏开发方式注水开发辽河油区海外河油田

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Synthesis and evaluation of an oil-soluble visco.ity reducer for heavy oil

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Petroleum Science 2010年第4期7卷 536-540页

作者： Guo Jixiang Wang Heyi Chen Chaogang Chen Yun Xie Xiaohai Enhanced Oil Reco.ery Research Center China University of Petroleum Beijing 102249 China Research Institute of Shaanxi Yanchang Petroleum（group） co. ltd Shaanxi 710075 China Northwest oilfield Branch Engineering and Technology Institute of Sinopec Urumchi 830011 China Tuha oilfield Hami Xinjiang 839009 China Yumen oilfield Yaerxia Operation Area Gansu 735019 China

To reduce the visco.ity of highly-visco.s oil of the Tahe oilfield （Xinjiang,china）,an oilsoluble polybasic co.olymer visco.ity reducer for heavy oil was synthesized using the orthogonal *** optimum reaction co.ditions are obtained as follows：under the protection of nitrogen,a reaction time of 9 h,monomer mole ratio of reaction materials of 3：2：2 （The monomers are 2-propenoic acid,doco.yl ester,maleic anhydride and styrene,respectively）,initiator amount of 0.8% （mass percent of the sum of all the monomers） and reaction temperature of 80 *** synthesized visco.ity reducer is more effective than co.mercial visco.ity *** rate of visco.ity reduction reached 95.5% at 50 *** spectra （IR） and interfacial tensions of heavy oil with and without visco.ity reducer were investigated to understand the visco.ity reduction *** visco.ity reducer is added,the molecules of the visco.ity reducer are inserted amongst the molecules of crude oil,altering the original intermolecular structure of crude oil and weakening its ability to form hydrogen bonds with hydroxyl or carboxyl groups,so the visco.ity of crude oil is *** tests of the newly developed oil-soluble visco.ity reducer was carried out in the Tahe oilfield,and the results showed that 44.5% less light oil was needed to dilute the heavy oil to achieve the needed visco.ity.

关键词： Oil-soluble visco.ity reducer heavy oil synthesis evaluation

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阳信洼陷生物气成藏条件研究

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天然气工业 2005年第10期25卷 11-13页

作者：刘利中国石化胜利油田有限公司地质科学研究院

随着渤海湾盆地济阳坳陷阳信洼陷阳101井沙一段获得工业气流,首次揭示了济阳坳陷陆相断陷盆地生物气。文章从生物气地化性质、生物气形成、气源岩评价、储集层类型、圈闭类型以及后期保存等方面进行了综合研究。低温、咸化、还原沉积环... 详细信息

随着渤海湾盆地济阳坳陷阳信洼陷阳101井沙一段获得工业气流,首次揭示了济阳坳陷陆相断陷盆地生物气。文章从生物气地化性质、生物气形成、气源岩评价、储集层类型、圈闭类型以及后期保存等方面进行了综合研究。低温、咸化、还原沉积环境是该区生物气形成的有利地质要素,优质的生物气源岩提供了生物气物质基础,多类型储层构成了生物气的有利储集条件,多类型圈闭和良好的后期保存组成了生物气成藏、富集的重要因素。评价结果认为中部隆起构造带、东部披覆构造带以及南部斜坡构造带生物气具有勘探潜力,为下步寻找一批生物气储量提供了地质依据。

关键词：渤海湾盆地阳信洼陷早第三纪生物气成藏条件勘探潜力生物气成藏陆相断陷盆地济阳坳陷圈闭类型

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Hierarchy modeling of subsurface palaeochannel reservoir architecture

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Science china Earth Sciences 2008年第S2期51卷 126-137页

作者： WU ShengHe1,YUE DaLi1,LIU JianMin2,SHU QingLin2,FAN Zheng1,3 & LI YuPeng1 1 Earth Sciences and Geoinformatics School,china University of Petroleum,Beijing 102249,china 2 SINOPEC Shengli oilfield co. ltd.,Dongying 257000,china 3 Beijing Telon High-tech co.poration,Beijing 100085,china Earth Sciences and Geoinformatics School China University of Petroleum Beijing China SINOPEC Shengli oilfield co. ltd. Dongying China Beijing Telon High-tech co.poration Beijing China

The studies on fluvial reservoir architecture are mainly aimed at outcrop and modern deposition,but rarely at the subsurface reservoir,so there are few effective methods to predict the distribution of subsurface reservoir architectures. In this paper,taking the meandering river reservoir of Guantao formation Gudao oilfield,Jiyang depression,Baohai Gulf Basin,East china as an example,the archi-tectural modeling method of co.plex meandering belt reservoir is proposed,that is hierarchy co.-straint,pattern fitting and multi-dimensional interaction. Architectures of meandering river reservoir can be divided into three hierarchies: meandering channel sandbody,point bar and lateral accretion body. Different hierarchies of the quantitative architecture pattern are fitted to subsurface well data (including dynamic monitoring data) in different hierarchies through one-dimensional hole,2D profiles and plane and 3D space,which are verified by each other. And then 3D model in different hierarchies is established. At the same time,the quantificational relationship between width of active river and the scale of point bar is set up,and the scale of lateral accretion sand body and shale beddings is co.-firmed with horizontal well data. The study not only has significant meaning on the development of geology,but also can improve the oilfield exploitation greatly.

关键词： reservoir architecture hierarchical modeling meandering river point bar lateral accretion body

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10万m^3储罐基础施工质量控制要点

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施工技术 2010年第S1期39卷 495-498页

作者：刘建波辽河油田公司油建二公司辽宁盘锦124012

以大连国际储备库北区工程4号罐组为例,概述了10万m3储罐基础的施工流程,详细介绍了基槽开挖、混凝土垫层、钢筋绑扎、模板安装、混凝土浇注、砂垫层和沥青砂垫层几道主要工序的施工工艺和质量控制要点。按照这套工艺进行质量控制,解决... 详细信息

以大连国际储备库北区工程4号罐组为例,概述了10万m3储罐基础的施工流程,详细介绍了基槽开挖、混凝土垫层、钢筋绑扎、模板安装、混凝土浇注、砂垫层和沥青砂垫层几道主要工序的施工工艺和质量控制要点。按照这套工艺进行质量控制,解决了以往大型储罐基础混凝土环梁施工存在的钢筋变形大、环梁曲率难以控制等问题,其环梁半径偏差仅为5mm,顶面每10m弧长内任意两点高差小于7mm,取得了良好的效果。

关键词：储罐基础施工工艺质量控制

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中国石化工业的发展需要石油冶金技术的支持

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新疆石油地质 2004年第4期25卷 449-452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黑龙江大庆163712

中国陆壳的特殊性,决定了中国石油的特殊性。中国陆壳面积小,四面受挤,火山活动与新构造活动活跃。因此,在中国石油中含有丰富的地球深部物质,尤应指出的是来自核幔的元素,其中各类金属元素应予特别的关注。提出了开展石油冶金工业的理... 详细信息

中国陆壳的特殊性,决定了中国石油的特殊性。中国陆壳面积小,四面受挤,火山活动与新构造活动活跃。因此,在中国石油中含有丰富的地球深部物质,尤应指出的是来自核幔的元素,其中各类金属元素应予特别的关注。提出了开展石油冶金工业的理论研究与技术攻关研究的建议,这一构想的实现将会大大提高中国石油的经济价值,弥补矿产资源短缺的形势,使石油化工可持续发展走出新路。

关键词：地壳地幔金属元素资源保护冶金可持续发展石油化工

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Aquathermolysis of co.ventional heavy oil with superheated steam

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Petroleum Science 2009年第3期6卷 289-293页

作者： Song Guangshou Zhou Tiyao Cheng Linsong Wang Yunxian Tian Guoqing Pi Jian Zhang Zheng Department of Geology Northwest University Xi＇an Shaanxi 710069 China Key Laboratory of Petroleum Engineering Ministry of Education China University of Petroleum Beijing 102249 China china National Offshore Oil co. ltd-Tianjin Tianjin 300452 China NO.6 Oil Production Plant PetroChina Changqing Oilfield Company Xi＇an Shaanxi 710018 China Research Center China National Offshore Oil Corporation Beijing 100027 China

This paper presents a new aquathermolysis study of co.ventional heavy oil in superheated steam. A new high temperature autoclave was designed, where volume and pressure co.ld be adjusted. Aquathermolysis was studied on two different co.ventional heavy oil samples under different reaction times and temperatures. Experimental results show that aquathermolysis does take place for co.ventional heavy oil. As reaction time increases, the oil visco.ity reduces. However, the reaction will reach equilibrium after a certain period of time and won＇t be sensitive to any further reaction time any more. Analysis shows that, while resin and asphaltenes decrease, saturated hydrocarbons and the H/C ratio increase after reaction. The main mechanism of aquathermolysis includes hydrogenization, desulfuration reaction of resin and asphaltenes, etc.

关键词： co.ventional heavy oil superheated steam aquathermolysis visco.ity reduction

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苏里格气田上、下古生界气藏合采气井的集输工艺

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天然气工业 2011年第10期31卷 83-85,123-124页

作者：苏海平张凤喜池坤陈翠中国石油长庆油田公司西安长庆科技工程有限责任公司中国石油长庆油田公司建设工程处

随着苏里格气田下古生界气藏的不断开发,现有的集输工艺及场站建设已不能满足生产需要。为此,在综合分析该气田现有上古生界气藏气井的集输工艺和靖边气田下古生界气藏气井的集输工艺的基础上,根据苏里格气田目前完钻井的情况,选择了"... 详细信息

随着苏里格气田下古生界气藏的不断开发,现有的集输工艺及场站建设已不能满足生产需要。为此,在综合分析该气田现有上古生界气藏气井的集输工艺和靖边气田下古生界气藏气井的集输工艺的基础上,根据苏里格气田目前完钻井的情况,选择了"小站脱水、天然气净化厂集中脱硫"的上、下古生界气藏合采气井集输工艺,确定了其主要工艺路线为:井下节流、中压串接、集中注醇、常温分离、集中处理。在对集输场站的流程、平面布置、设备选型进行分析后,确定了新的集气站流程:排污和放空共用一套系统,其余均分开设置,充分利用公用系统,减少下游处理装置负担;统筹考虑上古生界气藏气井的集输系统与上、下古生界气藏合采气井的集输系统,按照同类系统靠近布置的原则,重新进行集气站的平面部署;还对站内设备重新进行了选型,确定了中压系统下的抗硫生产设备。最后讨论了新集输工艺存在的问题及下一步研究方向。新的上、下古生界气藏合采气井的集输工艺和场站建设满足了气藏合采气井的开发要求,经济合理地解决了下古生界气藏含硫气的处理难题,为规模开发上、下古生界气藏奠定了基础。

关键词：鄂尔多斯盆地苏里格气田晚古生代早古生代气藏合采集输工艺集输场站平面布置设备选型

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