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Characteristics of remaining oil viscosity in water-and polymer-flooding reservoirs in daqing Oilfield

Science china Earth Sciences 2010年第12期53卷 72-83页

作者： XU ZhengShun,ZHANG JuHe,FENG ZiHui,FANG Wei & WANG FengLan exploration and development research institute,{4. Oilfield company ltd.,{4. 163712,china exploration and development research institute Daqing Oilfield Company Ltd. Daqing China

The experimental analysis of 21 crude oil samples shows a good correlation between high molecular-weight hydrocarbon components (C 4.+) and ***-four remaining oil samples extracted from oil sands of oilfield development coring wells were analyzed by high-temperature gas chromatography (HTGC),for the relative abundance of C 21-,C 21-C 4. and C 4.+ *** relationship between viscosity of crude oil and C 4.+ (%) hydrocarbons abundance is used to expect the viscosity of remaining *** mobility characteristics of remaining oil,the properties of remaining oil,and the next displacement methods in reservoirs either water-flooded or polymer-flooded are studied with rock permeability,oil saturation of coring wells,*** experimental results show that the hydrocarbons composition,viscosity,and mobility of remaining oil from both polymer-flooding and water-flooding reservoirs are heterogeneous,especially the *** abundance of C 21- and C 21-C 4. hydrocarbons in polymer-flooding reservoirs is lower than that of water-flooding,but with more abundance of C 4.+ *** is then suggested that polymer flooding must have driven more C 4.- hydrocarbons out of reservoir,which resulted in relatively enriched C 4.+,more viscous oils,and poorer *** oil in water-flooding reservoirs is dominated by moderate viscosity oil with some low viscosity oil,while polymer-flooding mainly contained moderate viscosity oil with some high viscosity *** each oilfield and reservoir,displacement methods of remaining oil,viscosity,and concentration by polymer-solution can be adjusted by current viscosity of remaining oil and mobility ratio in a favorable range.A new basis and methods are suggested for the further development and enhanced oil recovery of remaining oil.

关键词： remaining oil viscosity mobility ratio water-flooding polymer-flooding heterogeneity polymer-solution viscosity

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Present geotemperature and its suggestion to natural gas generation in Xujiaweizi fault-depression of the northern Songliao Basin

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Science china Earth Sciences 2008年第S1期51卷 207-220页

作者： ZHOU QingHua 1,2 ,FENG ZiHui 3 &MEN GuangTian 3 1 research institute of Petroleum exploration and development,Petro{4.,Beijing 100083,{4. 2 Geological Logging Subcompany of daqing Oil Field company ltd.,daqing 1634.1,{4. 3 research institute of Petroleum exploration and development of daqing Oil field company ltd.,daqing 163732,{4. research institute of Petroleum exploration and development PetroChina Beijing China Geological Logging Subcompany of daqing Oil Field company ltd. Daqing China research institute of Petroleum exploration and development of {4. Oil field company ltd. Daqing China

According to stastistic of present geotemperatures at the depths of 1000,2000,3000 and 4.00 m,respectively in the Xujiaweizi fault-depression of the north Songliao Basin,the result indicates that Xujiaweizi fault-depression falls in the high geotemperature area,with the higher geothermal gradient in the depression layer than that in the fault-depression *** geothermal gradient decreases with the increasing of the *** thermal conductivity of rock greatly controls the geothermal *** main factors constraining the current geotemperature include thermal configuration of the earth's crust, deep faults,distribution and abundance of *** high geotemperature is in favour of generation of deep gas.

关键词： Xujiaweizi fault-depression geotemperature geothermal gradient thermal conductivity of rock deep layer natural gas

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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 10224.,china 2 State Key Laboratory of Petroleum Resource and Prospecting,china University of Petroleum,Beijing 10224.,china 3 research institute of exploration and development,daqing Oilfield company ltd.daqing 163712,china 4.Petroleum exploration and Production institute of SINOPEC,Beijing 100083,china Basin and Reservoir research Center China University of Petroleum Beijing China State Key Laboratory of Petroleum Resource and Prospecting China University of Petroleum Beijing China research institute of exploration and development Daqing Oilfield Company Ltd Daqing China Petroleum exploration and Production institute of SINOPEC Beijing 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 (86.30×108t). 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

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中国东北地区CO_2气藏成因及聚集规律分析

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石油学报 2003年第6期24卷 13-17,23页

作者：张晓东大庆油田有限责任公司勘探开发研究院黑龙江大庆163712

对东北地区区域构造进行了研究,分析了对该区有控制作用的各个深而大的断裂的特征,进而研究了各构造地质单元的演化规律、岩浆作用及其对盆地形成、演化的控制作用.在此基础上,阐述了CO2气的形成环境.CO2的碳同位素资料、3He 4.e比值及... 详细信息

对东北地区区域构造进行了研究,分析了对该区有控制作用的各个深而大的断裂的特征,进而研究了各构造地质单元的演化规律、岩浆作用及其对盆地形成、演化的控制作用.在此基础上,阐述了CO2气的形成环境.CO2的碳同位素资料、3He 4.e比值及甲烷、乙烷、丙烷同位素的倒序证明了该区的气藏属于无机幔源气.基于CO2与深大断裂和岩浆岩、火山岩的关系,论述了盆地中CO2的成因机制和分布范围以及CO2气藏的类型、聚集规律、流体性质等.

关键词：区域构造断裂带二氧化碳气藏成因聚集规律碳同位素中国东北地区油气勘探

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Controlling the uncertainty in reservoir stochastic simulation

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Petroleum Science 2010年第4期7卷 472-476页

作者： Cui Yong Chi Bo Chen Guo Ouyang Cheng Xia Bairu china University of Geosciences Beijing 100083 China research institute of daqing Oilfield company {4.. Heilongjiang 163712 China Geological exploration ＆ development research institute PetroChina Chuanqing Drilling Engineering CompanyChengdu Sichuan 610051 China

Unexpected noise in reservoir stochastic simulation realization may be too high to make the realization useful, especially when there is a lack of hard data. Through discussing the uncertainties, we present two ways to control the uncertainty ratio that is brought by the algorithm of stochastic simulation. By reasonably reducing the random value of the stochastic simulation result, the unexpected values introduced by the residual that associates with random series can be controlled. Another way when the data disperse unevenly is to control the stochastic simulation order by grouping the points that need to be simulated to make those points which can be simulated by more neighborhood hard data calculated first. Both methods do not go against the core stochastic simulation algorithm.

关键词： Reservoir stochastic simulation hard data Kriging algorithm residual realization

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Testing Standard Sample Calibrating Device Developing of Entire Diameter Rock Gas Permeability and its Calibrating Technique to Value Tracing to Source

Testing Standard Sample Calibrating Device Developing of Ent...

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The 12～(th) International Conference on Flow Measurement

作者： PAN Hao XU Xiqing CHENG Xianmei MA Fengcheng exploration and development research institute of {4. Oilfield company ltd. {4. 163712 china

＜正＞ Rock gas permeability is one of the most important foundation parameters during exploration and development of oil/gas *** present, only φ25 mm " 25 mm rock gas permeability testing standard material is produced and calibrated in china, the value tracing to the source and device calibration of other specification rock permeability devices are dependent on *** seriously restricts the development of rock physical property testing *** the basis of deep analysis to calibrating technique of rock permeability testing device,this paper introduces the entire diameter rock permeability testing standard sample calibrating device from our own design and its calibrating technique to value tracing to source,which is a great breakthrough to calibrate big diameter rock gas permeability of various specifications using small diameter standard sample in china. The rock permeability calibrating device introduced in the paper granted the patent of invention in china,its calibrating method has been applied for the patent.

关键词： calibrating device calibrating technique rock gas permeability value tracing to source entire diameter standard material

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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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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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PALYNOLOGICAL ASSEMBLAGES OF THE YIMIN FORMATION IN THE HAILAER BASIN, INNER MONGOLIA

PALYNOLOGICAL ASSEMBLAGES OF THE YIMIN FORMATION IN THE HAIL...

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第二届国际古生物学大会

作者： Chuanbiao WAN, Xiuyun QIAO, Tongyan LIU, Pin WANG, Yunfei XUE, Huanyuan CHI, Guobin ZHANG exploration and development research institute of {4. Oilfield company ltd., {4. 163712, china.

The Halaer Basin is located in the southwest part of the Hulunbeir League of Inner Mongolia Autonomous Region. The Basin is bounded to the east by the Yimin River, to the west by the west shore of Hulun Lake, to the north by the northern section of the Hailaer River, to the south by Mongolia. The Yimin Formation is divided into three pollen-spore assemblages in the Hailaer Basin: Impardecispora-Aequitriradites-Clavatipollenites assemblage, Triporoletes - Pilosisporites- Asteropollis assemblage, Appendicisporites - Asteropollis

关键词： Barremian - Early Albian palynological assemblage Yimin Formation Early-Age angiosperm pollen

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Extrapolate well logs based on the constrained interpolation algorithm

Extrapolate well logs based on the constrained interpolation...

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中国科学院地质与地球物理研究所2008学术年会

作者： Liu Hongwei,Liu Hong,Qin Yueshuang,and Shou Hao 1.institute of Geology and Geophysics,Chinese Academy of Sciences,Beijing 100029,china. 2.State Key Laboratory of Geological Processes and Mineral Resources,china University of Geosciences,Beijing,100083 3.The Exploratory development institute of daqing Oilfield Limited Liability company,daqing 163712,china. 4.research institute of exploration and development of Chinese Petroleum,Beijing 100083,china.

Based on a detailed analysis of differences between seismic data and well logs, we discuss the problem of matching seismic traces and well logs and present a new matching method based on event search in instantaneous phase which greatly improves seismic *** method is based on flattening events in instantaneous phase to compare the seismic traces to the well log traces with the same *** calculate the coefficients using the singular value decomposition method to extrapolate the well *** a result,the events in the seismic profile are continuous and match well with well *** apply this method to the Mao-2 well in daqing Oilfield with good results.

关键词： events flattening SVD method instantaneous phase correlation

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