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分层测压技术在油田发中的应用 被引量:3
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作者 王瑛 《中国石油和化工标准与质量》 2014年第2期190-190,共1页
目前,在石油分层探测中,能够对地层的渗透率以及表皮系数精确计算的方法,就是分层测压技术。并且对隔层的稳定性以及油层是否连通以及连通情况进行判断,为控水以及提升测试的准确性奠定了基础。本文针对分层测压技术作了专门性阐述,并... 目前,在石油分层探测中,能够对地层的渗透率以及表皮系数精确计算的方法,就是分层测压技术。并且对隔层的稳定性以及油层是否连通以及连通情况进行判断,为控水以及提升测试的准确性奠定了基础。本文针对分层测压技术作了专门性阐述,并结合其应用,对其工艺技术提出了一点见解。 展开更多
关键词 油田发 分层测压技术 增油控水 应用
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花、瓦油田2010年开发形式分析及下步工作意见
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作者 宋光鑫 胡晓云 《中国科技期刊数据库 工业A》 2016年第4期18-18,共1页
今年我队开发部署任务为年产原油7×104t,配注21×104m3,截止到2010年11月30日,我队核实累计生产原油47557t,完成年配产任务的67.9%,其中老井部署4.4×104t,瓦庄2.8×104t,瓦18、瓦19部署0.5×104t,花庄1.1×1... 今年我队开发部署任务为年产原油7×104t,配注21×104m3,截止到2010年11月30日,我队核实累计生产原油47557t,完成年配产任务的67.9%,其中老井部署4.4×104t,瓦庄2.8×104t,瓦18、瓦19部署0.5×104t,花庄1.1×104t。老井产量完成41077t,完成了年配产任务的93.3%,措施部署0.8×104t,完成了111.8t,完成了年配产任务的1.4%,新井部署1.8×104t,完成了6497t,完成了年配产任务的36.1%;累计注水205260m3,完成了年配产任务的97.7%。 展开更多
关键词 油田 形式分析 下步工作意见
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Quantitative Description of the Effects of Sweep Efficiency and Displacement Efficiency during Chemical Flooding on a Heterogeneous Reservoir 被引量:6
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作者 沈平平 袁士义 +2 位作者 邓宝荣 宋杰 沈奎友 《Petroleum Science》 SCIE CAS CSCD 2004年第3期41-48,77,共9页
The processes of flooding—water flooding, polymer flooding and ternary combination flooding—were simulated respectively on a 2-D positive rhythm profile geological model by using the ASP numerical modeling softw... The processes of flooding—water flooding, polymer flooding and ternary combination flooding—were simulated respectively on a 2-D positive rhythm profile geological model by using the ASP numerical modeling software developed by RIPED (Yuan, et al. 1995). The recovery coefficient, remaining oil saturation, sweep efficiency and displacement efficiency were calculated and correlated layer by layer. The results show that the sweep efficiency and displacement efficiency work different effects on different layers in the severely heterogeneous reservoir. The study shows that the displacement efficiency and sweep efficiency play different roles in different layers for severely heterogeneous reservoirs. The displacement efficiency contributes mainly to the high permeability zones, the sweep efficiency to the low permeability zones, both of which contribute to the middle permeable zones. To improve the sweep efficiency in the low permeability zones is of significance for enhancing the whole recovery of the reservoir. It is an important path for improving the effectiveness of chemical flooding in the severely heterogeneous reservoirs to inject ternary combination slug after profile control. 展开更多
关键词 Chemical flooding displacement efficiency sweep efficiency recovery efficiency heterogenous reservoir
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Deepwater oil and gas field development in South China Sea 被引量:4
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作者 Zhang Dagang Wybro Pieter Kang Yongtian 《Engineering Sciences》 EI 2013年第4期2-9,共8页
This paper focuses on potential development models of future oil and gas exploration in South China Sea. A detailed study of current development models worldwide is performed through some examples of industry installe... This paper focuses on potential development models of future oil and gas exploration in South China Sea. A detailed study of current development models worldwide is performed through some examples of industry installed/ongoing projects and major technical issues encountered during these practice. Key technologies are discussed for the success of field development. Some of the technologies and field development experience can be used for South China Sea project. Several models are studied in field development for different scenarios,including marginal field,large oil field and gas field. With the massive investment activities,continued improved technologies,and rapidly growing pool of professionals,the offshore industry in China will soon encounter a golden period. 展开更多
关键词 field development deepwater exploration development model deepwater technology combinedsystem
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IMPACT OF OIL FIELD EXPLOITATION ON ECO-ENVIRONMENT OF THE DAQING LAKES
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作者 YUShao-peng LUJin-fu SUNGuang-you 《Chinese Geographical Science》 SCIE CSCD 2003年第2期175-181,共7页
The Daqing lakes are located in the region with sub-humid continent al monsoon climate. Through historical comparison of the environment before and after oil field exploitation in the area, the paper analyses the impa... The Daqing lakes are located in the region with sub-humid continent al monsoon climate. Through historical comparison of the environment before and after oil field exploitation in the area, the paper analyses the impact of oil f ield exploitation on the eco-environment of the lakes, including the impact of diversion works, drainage works, exploitation and utilization of groundwater, dr opped crude oil and petrochemical wastewater on the lakes water body. The analys is shows that oil field exploitation caused serious pollution to soil in the lak es area and deterioration of the eco-environment. The impact became more eviden t with passage of time, and the intensity varied with areas, getting more seriou s from west to east, which meant that the eastern part of the lakes were influen ced much more seriously by the human activities. To improve the eco-environment of the Daqing lakes and make them sustainable utilization, the effective protec tion measures should be taken. 展开更多
关键词 oil field exploitation lakes eco-environment daqing oil field environmental pollution
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Clay Minerals Properties as Downhole Formation Pressure Indicator
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作者 Dmitry Kozhevnikov Kazimir Kovalenko Andrey Gorodnov Ivan Deshenenkov 《Journal of Chemistry and Chemical Engineering》 2011年第11期990-994,共5页
The successful estimation of formation pressures (or formation pore gradient) is fundamental and the basis for many engineering works including drilling and oilfield development planning. Common log data are used fo... The successful estimation of formation pressures (or formation pore gradient) is fundamental and the basis for many engineering works including drilling and oilfield development planning. Common log data are used for formation pressure calculation. Modern techniques for pressure prediction have several disadvantages, notably, incorrect account of the downhole nonsteady thermal field and clay mineral composition. We propose a way to overcome listed shortcomings: a technique for thermal field proper account while formation pressure estimation and a petrophysical model, which reflects relationships between clay minerals composition and rock properties, derived from log data. 展开更多
关键词 Formation pressure clay minerals OVERPRESSURE temperature effect UNDERCOMPACTION PETROPHYSICS log data.
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New technology opens the door for deepwater development
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作者 Zhang Dagang 《Engineering Sciences》 EI 2011年第1期7-12,75,共7页
The paper provided an updated status of technology for deepwater field development, demonstrated the importance of its application through actual project example, and discussed some future technical development trends... The paper provided an updated status of technology for deepwater field development, demonstrated the importance of its application through actual project example, and discussed some future technical development trends. The focus was on the floating structures. By reviewing some of the engineering aspects of the project, the technology advancement, innovations and challenges in offshore engineering were discussed and demonstrated. The author’s view of technical challenges facing deepwater forwarding was discussed, which covered water depth limitations, new material application, installation methods, riser development and operational issues. An overview of technologies that will enable deepwater projects to be extended into new frontiers was presented. 展开更多
关键词 deepwater exploration field development frontier technology floating structure tender assisted drilling
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The Application of CO2-EOR in Ultra-Low Permeability Reservoir
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作者 Bo Chi Min Li Xue Wang Zhaoyong Li Lifang Wu Shuyan Sun Jiankai Wang Yangxin Su Guinan Yang 《Journal of Earth Science and Engineering》 2014年第5期264-270,共7页
CO2 flooding is a process whereby carbon dioxide is injected into an oil reservoir in order to increase output when extracting oil. Since 1952, Wharton obtained the patent concern CO2 flooding, CO2-EOR (CO2 flooding ... CO2 flooding is a process whereby carbon dioxide is injected into an oil reservoir in order to increase output when extracting oil. Since 1952, Wharton obtained the patent concern CO2 flooding, CO2-EOR (CO2 flooding enhance oil recovery) has been one of research hot-spot around the world. According to the statistical data of 2006, there are total of 94 global CO2-EOR projects, including 65 low permeability oilfield projects (79% of the total). Daqing Oilfield is the largest one of China, after more than 50 years of continuous development, oilfield comprehensive water cut has reached over 90%, and the difficulty of oilfield development has been gradually increasing. In recent years, low and ultra-low permeability reservoirs development have played a more and more important role accompany with low permeability reserves in proportion of the total reserves have been increasing year by year. But water-flooding recovery of low permeability reservoir is very low under the influence of reservoir poor properties and heterogeneity. As a kind of greenhouse gas, CO2 flooding can obtain good results for the low permeability reservoir in which the water flooding has proven ineffective. CO2 flooding Pilot Test was conducted under such background since Dec. 2002, over 10 years of practice has proved that CO2 flooding is an effective method to improve the development effect of low permeability reservoir, all experience during the mechanism study and field test should present important references for further larger-scale CO2 flooding projects. 展开更多
关键词 CO2-EOR low-permeability reservoir start-up pressure miscible-pressure MMP (minimum miscible pressure) WAG(water alternating gas injection).
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Extensive application of rate transient method in performance analysis for low permeability gas reservoirs
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作者 WANG Shao-jun HE Shun-li TIAN Shu-bao ZHANG Jun-jing 《Journal of Energy and Power Engineering》 2009年第3期29-33,共5页
Rate transient method is a recently-developed performance analysis tool specially designed for low-permeability or tight gas reservoirs. This method, theoretically based on pressure transient analysis, integrates mate... Rate transient method is a recently-developed performance analysis tool specially designed for low-permeability or tight gas reservoirs. This method, theoretically based on pressure transient analysis, integrates material balance principle and the concept of material balance pseudo-time proposed by Blansingame. With daily production data of gas well, it could be used to calculate OGIP, current formation pressure, permeability, skin factor, to identify complex geologic boundaries, to determine whether drainage boundary has been reached, to calculate drainage area and drainage radius for single well and to predict performance. It has been extensively employed in more than ten low-permeability gas fields. It proves that most problems in performance analysis for low permeability gas reservoirs could be solved by this method. Field practices show great economical benefits could be achieved by employing this method in gas field development. 展开更多
关键词 low permeability gas reservoir performance analysis rate transient method
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Development characteristics and quantitative prediction of reservoir fractures in the Chaoyanggou oil field 被引量:3
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作者 ZHANG Zhen TONG Heng-mao BAO Zhi-dong 《Mining Science and Technology》 EI CAS 2009年第3期373-379,共7页
The Chaoyanggou oil field is a fractured low-permeability reservoir, where the distribution of oil and gas is controlled by the distribution and development of fractures.Based on outcrop, drilling core, thin section a... The Chaoyanggou oil field is a fractured low-permeability reservoir, where the distribution of oil and gas is controlled by the distribution and development of fractures.Based on outcrop, drilling core, thin section and log data, the development characteristics of fractures in this area are described.On this basis, the degree of fracture development was predicted by quantitative analysis of fracture strength and numerical simulation.The result shows that four groups of structural fractures, i.e., in near NS, and EW directions and in due NW and NE directions, were developed in the reservoir, with the nearly NS and EW fractures dominant, which are the along bedding decollement fractures formed by compressive folding action, while low angle shear fractures are related to thrusts.These fractures are mainly formed in the reversed tectonic stage at the end of the Mingshui formation during the Cretaceous period.The degree of fracture development is controlled by such factors as lithology, stratum thickness, faults, folds and depth.The fractures are developed with a clear zonation and are best developed in the northern zone, moderately developed towards the south and poorly developed in the middle zone.These prediction results are in good agreement with interpretation results from logs. 展开更多
关键词 FRACTURE development characteristic fracture strength numerical simulation Chaoyanggou oil field
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Innovate Project Supervision System for Higher Engineering Construction Quality
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作者 Gao Qiang Yan Ruoyu 《China Oil & Gas》 CAS 2015年第3期53-55,共3页
With rapid development of PetroChina's Qinghai Oilfield, engineering construction quality becomes more and more important in infrastructure construction of the oilfield. Generally speaking, engineering construction q... With rapid development of PetroChina's Qinghai Oilfield, engineering construction quality becomes more and more important in infrastructure construction of the oilfield. Generally speaking, engineering construction quality is related both to national economic development and safety of people and assets. To turn a design map into a materialized object, the construction project involves a large number of elements, such as design, materials, machinery, landform, geological factors, meteorological factors, construction process, technological measures and supervision system. Therefore, quality control holds the key to a construction project. 展开更多
关键词 speaking oilfield supervision infrastructure inspection technological contract destruction awareness economics
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Exploration technology and development trend of Daqing Oilfield
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作者 Feng Zhiqiang Jin Chengzhi Liang Jiangping Zhao Bo 《Engineering Sciences》 EI 2012年第2期66-70,83,共6页
Exploration for oil and deep gas in northern Songliao Basin,complex rift basin—Hailaer Basin,and Yi-Shu Graben in peripheral basin has technical challenge.Researches on supporting technology including seismic acquisi... Exploration for oil and deep gas in northern Songliao Basin,complex rift basin—Hailaer Basin,and Yi-Shu Graben in peripheral basin has technical challenge.Researches on supporting technology including seismic acquisition,processing and interpretation,logging and drilling are performed to establish high resolution 3D seismic technology for lithologic reservoir,deep volcanic rock and complex rift basin,reservoir evaluation and stimulation technology for low permeability reservoir,volcanic reservoir and complex rift reservoir,and drilling technology for deep volcanic rock,providing technical support for reserves increase in northern Songliao Basin,large gas reservoirs discovery in deep volcanic rock and exploration progress in complex rift basin.Next-step development trend of exploration technology is proposed to meet the demand of more technical challenges in the future. 展开更多
关键词 Daqing Oilfield exploration technology status development trend
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