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A New Steam Properties Calculation Models for Horizontal Well 水平井蒸汽物性计算新模型
Advances in Petroleum Exploration and Development Pub Date : 2017-03-26 DOI: 10.3968/9455
J. Xu
{"title":"A New Steam Properties Calculation Models for Horizontal Well","authors":"J. Xu","doi":"10.3968/9455","DOIUrl":"https://doi.org/10.3968/9455","url":null,"abstract":"During steam flows in horizontal wellbore, the mass flow rate decreases with steam draining into the formation, which causes acceleration pressure drop. Acceleration pressure drop can change steam physical parameters, wellbore pressure distribution and temperature distribution. Based on the rules of mass conservation and energy conservation, model for steam quality variation along the horizontal section was built. Pressure and temperature distribution of injected steam along horizontal section were deduced on the principle of momentum conservation. Models were solved by pressure increment iteration method. The calculation results are compared with the reservoir numerical simulator, which showed that the models in the paper were succinct and accurate.","PeriodicalId":313367,"journal":{"name":"Advances in Petroleum Exploration and Development","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134548913","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Establishment of Geological Knowledge Database for Meandering River Reservoirs in Offshore Oilfields With Large Well Spacing 海上大井距油田曲流河油藏地质知识库的建立
Advances in Petroleum Exploration and Development Pub Date : 2017-03-26 DOI: 10.3968/9422
Xiaoming Ye, Chunliang Huo, Jianmin Yang, Jing Xu
{"title":"Establishment of Geological Knowledge Database for Meandering River Reservoirs in Offshore Oilfields With Large Well Spacing","authors":"Xiaoming Ye, Chunliang Huo, Jianmin Yang, Jing Xu","doi":"10.3968/9422","DOIUrl":"https://doi.org/10.3968/9422","url":null,"abstract":"Based on quantitative logging microfacies identification, seismic constraint facies map compilation and horizontal wells architecture analysis, the reservoir geologic knowledge database of different grades configuration unit was established for meandering river reservoirs of Lower Minghuazhen Formation in Q oilfield. The results show that the average point bar sand body width is 360-783 m, the average sand body thickness is 4.0-8.5 m, the ratio of width to thickness mainly distributed in 40-100. Average lateral accretion layers dip is 5.7°, lateral accretion layers horizontal interval mainly distributed in 70-200 m. On the basis of reservoir geological knowledge database, a fine geological model was established together with sequential indicator method and equivalent characterization method. Base on the reservoir geologic knowledge database and geological modeling results, 130 adjustment wells were successfully deployed and implemented at the comprehensive adjustment process of Q oilfield, these wells made an obvious oil production increase effect.","PeriodicalId":313367,"journal":{"name":"Advances in Petroleum Exploration and Development","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115147261","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Effect of Betaine Surfactant on Carbonate Reservoir Wettability in Self-Diverting Acidizing Stimulation 甜菜碱表面活性剂对碳酸盐岩储层自转向酸化改造润湿性的影响
Advances in Petroleum Exploration and Development Pub Date : 2016-12-26 DOI: 10.3968/8344
Xiaqing Li, Guicai Zhang, Ge Ji-jiang, Ning Qi, Lipei Fu, Xuan Zhang
{"title":"The Effect of Betaine Surfactant on Carbonate Reservoir Wettability in Self-Diverting Acidizing Stimulation","authors":"Xiaqing Li, Guicai Zhang, Ge Ji-jiang, Ning Qi, Lipei Fu, Xuan Zhang","doi":"10.3968/8344","DOIUrl":"https://doi.org/10.3968/8344","url":null,"abstract":"Contact angle alterations of carbonate cores after immersing in spent acid with oleyl amido propyl betaine surfactant were measured to clarify the effect of viscoelastic surfactant on the wettability of carbonate reservoir during self-diverting acidizing. The results showed that spent acid solutions with hydrochloric acid and betaine surfactant induced core wettability to water-wetting for initially oil-wet rocks, and oil-wetting for initially water-wet rocks. Longer immersion time and higher concentration of surfactant enhanced the effects. The adverse wettability reversal for water-wet reservoir was eliminated by mutual solvent or brine postflush. Chemical mechanisms of the wettability alteration were interpreted.","PeriodicalId":313367,"journal":{"name":"Advances in Petroleum Exploration and Development","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-12-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125594475","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Mechanisms and Application for Hydraulic Pulsed Cavitating Jet Generator 水力脉冲空化射流发生器的机理及应用
Advances in Petroleum Exploration and Development Pub Date : 2016-12-26 DOI: 10.3968/8953
Hongna Qu, Gensheng Li, Dongxing Jiang
{"title":"Mechanisms and Application for Hydraulic Pulsed Cavitating Jet Generator","authors":"Hongna Qu, Gensheng Li, Dongxing Jiang","doi":"10.3968/8953","DOIUrl":"https://doi.org/10.3968/8953","url":null,"abstract":"To improve the rate of penetration (ROP) further, based on analysis of the jet modulating mechanism, a new drilling tool is designed which couples the advantages of both pulsed jet and cavitating jet. When drilling fluid flows through the tool in drilling process, the fluid is modulated to pulsed and cavitating jet by impellers and in self-resonant chamber. Thus, pulsed cavitating jet is formed at the outlet of the bit nozzle. Because of jet pulsation, cavitating erosion and local negative pressure effect, bottom cuttings cleaning efficiency is enhanced and the ROP is improved. The hydraulic pulsed cavitating jet generator has been applied in 8 oil fields and more than 100 wells in China. The results indicated that the maximum density of test drilling fluid was 1.70 g/cm 3 , the maximum test well depth was 6,162 m. The generator could work over 230 h, and the maximum operation time was above 520 h. As the result, the average ROP had been increased by 10.1% to 104.4%. The generator has the characteristics of simple structure and long operation time, and has a well adaptability to the existing drilling equipments, technological parameters, which provides a safe and efficient new drilling technology for deep well.","PeriodicalId":313367,"journal":{"name":"Advances in Petroleum Exploration and Development","volume":"487 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-12-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116531109","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Influence of Filling Medium on Water Injection in Fracture-Vuggy Reservoir 充填介质对缝洞型油藏注水的影响
Advances in Petroleum Exploration and Development Pub Date : 2016-12-26 DOI: 10.3968/8991
Haojun Xie, Aifen Li, Aimin Lü, Gangzhu Li
{"title":"Influence of Filling Medium on Water Injection in Fracture-Vuggy Reservoir","authors":"Haojun Xie, Aifen Li, Aimin Lü, Gangzhu Li","doi":"10.3968/8991","DOIUrl":"https://doi.org/10.3968/8991","url":null,"abstract":"The Tahe oilfield is characterized with high degree of filling medium in an underground caves and shortage of bottom water in some unites. In addition, it has poor oil displacement effect with water injection, and low recovery rate. Considering geological interpretation results, the cave filling models with different filling mediums are designed. Through physical simulation experiments, the displacement mechanism between the un-filled areas and the filling medium were fully studied. Meanwhile, the effect of filling medium’s wettability, pore size and fluid elastic energy on the oil-water displacement efficiency were clarified. The results showed that: In the process of oil-water displacement, the capillary resistance in the oil-wet filling medium may hinder the oil-water gravity differentiation, making it impossible for the oil in the filling medium to be replaced effectively, so there is a large amount of remaining oil in the filling medium. The stronger the oil wettability of the filing medium and the smaller pore size, the lower the displacement efficiency. Increasing injecting pressure could only increase the formation energy and improve oil production at the beginning, but it could not improve oil displacement efficiency in filling medium. Injection of surfactant could reduce the oil-water interfacial tension and improve the oil phase utilization degree of the filling medium effectively. Field application has the same results with the experiment, so the surfactant injection is an EOR method to improve oil displacement for fracture-cave reservoir with high degree of filling medium.","PeriodicalId":313367,"journal":{"name":"Advances in Petroleum Exploration and Development","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-12-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129272682","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Application of Pressure Data Analysis in Tapping the Potential of Complex Fault Block Oilfield 压力数据分析在复杂断块油田潜力挖掘中的应用
Advances in Petroleum Exploration and Development Pub Date : 2016-12-26 DOI: 10.3968/8833
Jianmin Zhu, Jianmin Zhang, Liangyuan Zhou, Geng Qian, Longtao Cui, Lei Zhang
{"title":"Application of Pressure Data Analysis in Tapping the Potential of Complex Fault Block Oilfield","authors":"Jianmin Zhu, Jianmin Zhang, Liangyuan Zhou, Geng Qian, Longtao Cui, Lei Zhang","doi":"10.3968/8833","DOIUrl":"https://doi.org/10.3968/8833","url":null,"abstract":"The B oilfield in Bohai Bay Basin is the fluvial facies sedimentary, reservoir thickness varies rapidly in lateral direction, and what is worse the fracture system is very developed, petroleum reserves are small within a single block. Due to the poor quality of seismic data, the sealing of fault and reservoir connectivity is unclear which directly affect the understanding of reserves and adjusting injection-production well pattern. This paper introduces the working principle of StethoScope, and use formation pressure testing by StethoScope analyzing the fluid system and reserve scale, which can indirectly judge the sealing of fault and reservoir connectivity. This method provides a reliable basis for well pattern deployment.","PeriodicalId":313367,"journal":{"name":"Advances in Petroleum Exploration and Development","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-12-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124243420","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Laboratory Study of the Heavy Weight Reversible Invert Emulsion Drilling Fluid 大重量可逆反乳化钻井液的实验室研究
Advances in Petroleum Exploration and Development Pub Date : 2016-12-26 DOI: 10.3968/8868
L. Fei, Yanling Wang, Kun Wang, J. Ren, Yue Zhang, A. Asteria, Zichen Yin
{"title":"Laboratory Study of the Heavy Weight Reversible Invert Emulsion Drilling Fluid","authors":"L. Fei, Yanling Wang, Kun Wang, J. Ren, Yue Zhang, A. Asteria, Zichen Yin","doi":"10.3968/8868","DOIUrl":"https://doi.org/10.3968/8868","url":null,"abstract":"A novel reversible invert emulsion drilling fluid which is useful in resolving the contradiction between drilling efficiency, cementing and environmental effect has been invented based on the protonation reversibility of amine. The new drilling fluid has reversible emulsion-phase behavior. The formulation of the reversible invert emulsion drilling fluid was: white oil (5)+25% CaCl 2 brine+50% weight agent ZFU-3+1.5% organoclay+0.5% lime +4.5% reversible emulsifier UPSG-1+1% wetting agent DYSL-3+an appropriate amount barite, oleaginous fluid to non-oleaginous fluid-ratio was 50/50, drilling fluid density was 1.9 kg/L, weight agent ZFU is sodium formate. Comprehensive performance evaluation with laboratory test showed that the new drilling fluid could be readily and reversibly converted from a water-in-oil emulsion to an oil-in water emulsion and back to a water-in-oil emulsion using an acid-based chemical switch. And before and after converting the emulsion mud maintains good performance, with emulsion-breaking voltage of 900-1,100 V, resistance to temperature of 150℃, HEHP filter loss of less than 6 ml. Additionally, the filter cake and oily cuttings could be treated easily. This suggests that the reversible invert emulsion drilling fluid has both merits of oil-based fluid and water –based fluids, and all properties are excellent. The reversible invert emulsion drilling fluid is capable of resolving the problems with the application of conventional oil-based drilling fluid. The density of the reversible invert emulsion is 1.9 kg/L, which is also better than the traditional reversible invert emulsion drilling fluid.","PeriodicalId":313367,"journal":{"name":"Advances in Petroleum Exploration and Development","volume":"145 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-12-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128178572","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Drilling Engineering Design and Construction of Well Dong 11 东井钻井工程设计与施工
Advances in Petroleum Exploration and Development Pub Date : 2016-12-26 DOI: 10.3968/9160
Zhen Wang
{"title":"Drilling Engineering Design and Construction of Well Dong 11","authors":"Zhen Wang","doi":"10.3968/9160","DOIUrl":"https://doi.org/10.3968/9160","url":null,"abstract":"The planned depth of well Dong 11 is 5,780 m, many complicated conditions may exist in the drilling process of this well, such as loose cementation and high risk of hole collapse in the upper formation, leakage of Cretaceous strata, caving mudstone in Jurassic, possible high-pressured saltwater zone and hydrocarbon zone in Sangonghe formation. In addition, this block is located in fault ruptured zone. Based on the above problems, casing program design, BHA design, drill bit selection, drilling fluid design and the cementing design was optimized and the drilling engineering design and site construction of the well was introduced. No complicated condition occurred during the whole well construction. PDC bit was used in the upper well section and PDC bit combined with screw drilling technology was used in lower well section, the average rate of penetration is 4.77 m/h, compared with the offset wells, the drilling speed increased obviously and the good hole diameter validates the serviceability of a strong inhibitive heat-resisting plugging polymer anti-collapse drilling fluid system in this area.","PeriodicalId":313367,"journal":{"name":"Advances in Petroleum Exploration and Development","volume":"21 24","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-12-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132654213","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Application of Holography in Subsea Pipeline Corrosion Control 全息技术在海底管道腐蚀控制中的应用
Advances in Petroleum Exploration and Development Pub Date : 2016-12-26 DOI: 10.3968/9152
Lu Zhang
{"title":"Application of Holography in Subsea Pipeline Corrosion Control","authors":"Lu Zhang","doi":"10.3968/9152","DOIUrl":"https://doi.org/10.3968/9152","url":null,"abstract":"Oil leak caused by pipeline corrosion has always be a seriously problem in oil industry. Not only the economic loss happens in oil company, but also sever damages to the environment around the pipe line. Due to the problems caused by oil leak, lots of technologies have been developed to monitoring and controlling pipeline corrosion.In the age of technology, holography is a very advanced and popular optical technology in the world, and has been used in the industry engineering area. This paper is going to clearly and simply clarify the working concept of holography, and some applications of this optical method in oil and gas industry.","PeriodicalId":313367,"journal":{"name":"Advances in Petroleum Exploration and Development","volume":"57 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-12-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126541152","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Research on Well Testing Interpretation Method of Polymer Flooding Considering Variety of Polymer Concentration in Reservoirs 考虑储层聚合物浓度变化的聚合物驱试井解释方法研究
Advances in Petroleum Exploration and Development Pub Date : 2016-12-26 DOI: 10.3968/8834
Guangyu Tu, C. Yang, Xiaona Cui, Xin Li
{"title":"Research on Well Testing Interpretation Method of Polymer Flooding Considering Variety of Polymer Concentration in Reservoirs","authors":"Guangyu Tu, C. Yang, Xiaona Cui, Xin Li","doi":"10.3968/8834","DOIUrl":"https://doi.org/10.3968/8834","url":null,"abstract":"Combining the oretical analysis and actual production data statistics, the paper found that concentration of polymer solution at a point in the stratum had exponential relation with the distance away from injectors. Based on viscosity model considering shear degradation and polymer concentration, a non-Newtonian power-law fluid well test interpretation model is built. Then well test interpretation chart of polymer flooding is proposed by numerically resolving the new model. Example analysis shows that the polymer flooding well test interpretation method and chartprovide a theoretical and technical support for explaining reasonably formation parameters under conditions of polymer flooding and quantitatively evaluating the effects of polymer flooding.","PeriodicalId":313367,"journal":{"name":"Advances in Petroleum Exploration and Development","volume":"9 4","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-12-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114103060","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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