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Study on an novel composite gel material solving serious lost circulations and pressurization sealing

Journal of Energy and Power Engineering 2007年第1期1卷 68-75页

作者： YE Yan YAN Jie-nian GUO Jian-hua XIE You-xin Department of oil and Gas Engineering Petroleum University of China Beijing 102249 China Drilling Engineering Institute of Zhongyuan oilfield Puyang 457001 China Tarim oilfield company Korla Xinjiang 841000 China

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前置CO2压裂工艺优化与研究

前置CO2压裂工艺优化与研究

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2018年全国天然气学术年会

作者：夏玉磊李婧王祖文兰建平叶赛詹勇 ZHONG Xin-rong 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司中国石油集团CO2压裂增产研究室低渗透油气田勘探开发国家工程实验室 CCDC Changqing Downhole Technology company National Engineering Laboratory for Exploration and Development of Low-Permeability oil & Gas Fields

在常规CO前置压裂与水力压裂协同改造过程中,现场采用两套压裂机组交替施工作业,造成占用设备多、施工时效低,施工成本高的难题。为此,通过室内实验,制备一种用于CO前置压裂的管道防冻隔离液防,设计一套隔离液注入流程,在注入前置液态CO... 详细信息

在常规CO前置压裂与水力压裂协同改造过程中,现场采用两套压裂机组交替施工作业,造成占用设备多、施工时效低,施工成本高的难题。为此,通过室内实验,制备一种用于CO前置压裂的管道防冻隔离液防,设计一套隔离液注入流程,在注入前置液态CO后,进行氮气控压置换,防冻隔离液循环,滑溜水压裂,实现了一套压裂设备完成CO前置压裂施工,解决了常规CO前置压裂存在的难题,达到降本增效,优质高效施工的目的。

关键词： CO2前置压裂水力压裂管道冰堵防冻隔离液现场试验

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STUDY ON NEIGHBORHOOD DISCOVERY PROTOCOL IN COMMUNICATION NETWORKS

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Journal of Shanghai Jiaotong university(Science) 2001年第1期6卷 52-55页

作者：时成阁王思兵胡家骏 HU Jia-jun National Lab. on local fiber-Optic Comm. Networks Advanced Optical Comm. System Shanghai Jiaotong Univ. Systems on Silicon company

One algorithm and one method for PNNI(Private Network to Network Interface) routing were presented. The algorithm is oil (Older Is Leader) algorithms for Peer Group selection, and the method is the DOO (Distributed object oriented) method for HDOS (Hierarchy Distributed Object System), PNNI systems and IP(Internet Protocol) networks. Based on the specifications from ATM forum, and the creative ideas from Distributed System realization, this paper studies and analyzes the private ATM network environment. The oil algorithm and the DOO method are both for PNNI routing protocol. Through the PNNI simulation, the availability and robustness are proved for the above two improvements.

关键词： oil algorithm DOO method PNNI routing Hello protocol private ATM network HDOS

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Illite Crystallinity Mapping of Very Low Grade Metamorphism of Triassic Metapelites in the Zoigê Area,Western China

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Acta Geologica Sinica(English Edition) 2012年第1期86卷 96-105页

作者： TANG Yan SANG Longkang YUAN Yanming YU Jishun ZHANG Yunpeng QI Xianmao YANG Yunlong Faculty of Earth Sciences China University of GeosciencesWuhan 430074China College of Earth Science and Resources Chang'an UniversityXi'an 710054China State Key Laboratory of Geological Processes and Mineral Resources China University of GeosciencesWuhan 430074China Xi'an Center of Geological Survey China Geological SurveyXi'an 710054China Chengdu Institute of Geology and Mineral Resources Chengdu 610082China Sinopec Exploration Southern company Chengdu 610082China

X-ray diffraction methods for estimating the metamorphic grade of diagenetic, anchizone and epizone in metapelites are reviewed and applied to samples from a 7000 m＋ borehole in western China and surface samples from the surrounding Zoige area. Kiibler＇s illite crystallinity （IC） measurements provide more consistent results than calculated values of percentage of illite in the I/S mixed layers and percentage of I/S mixed layers. Down-borehole IC values display a typical burial metamorphic relationship between stratigraphic level and IC. A method for preparing very low grade metamorphic maps is described, and isograds plotted on a regional geological map at selected values of IC, delineating a high temperature diagenetic zone, an anchizone, and an epizone. The map shows that IC values are controlled by stratigraphic level in the north of the study area （i.e. burial metamorphism）, and proximity to an igneous intrusive body in the south （i.e. contact metamorphism）.

关键词： X-ray diffraction metapelitic zone illite crystallinity percentage of illite in I/S mixed layers percentage of I/S mixed layers the metamorphic map

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Petrophysical Texture Heterogeneity of Vesicles in Andesite Reservoir on Micro-Scales

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Journal of Earth Science 2021年第4期32卷 799-808页

作者： Mutian Qin Shuyun Xie Jianbo Zhang Tianfu Zhang Emmanuel John M.Carranza Hongjun Li Jiayi Ma State Key Laboratory of Geological Processes and Mineral Resources(GPMR) School of Earth SciencesChina University of GeosciencesWuhan 430078China School of Geography and Information Engineering China University of GeosciencesWuhan 430074China PetroChina Hangzhou Institute of Petroleum Geology Hangzhou 310023China Geological Sciences School of AgriculturalEarth and Environmental SciencesUniversity of KwaZulu-NatalWestville 3629South Africa Dagang oilfield company China National Petroleum CorporationTianjin 300280China

It is of great significance to study the spatial distribution patterns and petrophysical complexity of volcanic vesicles which determine whether the reservoir spaces of the volcanic rocks can accumulate oil and gas and enrich high yields or *** this paper,the digital images of three different textures of vesicular andesite samples,including spherical vesicular andesite,shear deformation vesicular andesite,and secondary filling vesicular andesite,are obtained by microscopic morphology X-CT imaging *** spatial micro-vesicle heterogeneity of vesicular andesite samples with different textures is quantitatively analyzed by fractal and multifractal methods such as box-counting dimension and the moment *** is found that the shear stress weakens the spatial homogeneity since vesicles rupture are accelerated,elongated directionally,and connected with one another under the strain;the secondary filling breaks the vesicles,which significantly enhances the spatial *** addition,shear stress and secondary filling increase the complexity of vesicle microstructures characterized by different fractal and multifractal *** conclusions will provide important theoretical and practical insights into understanding the degassing of volcanic rocks and prediction of high-quality volcanic reservoirs.

关键词： volcanic vesicles fractal and multifractal microscopic morphology heterogeneity X-CT imaging

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Geological Modeling on the Reservoir of oil Sand in Estuary

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Acta Geologica Sinica(English Edition) 2015年第A1期89卷 106-108页

作者： WU Yihao LU Shuangfang CHEN Fangwen XIAO Hong YUAN Dandan Research Institute of Unconventional Petroleum andRenewable Energy China University of Petroleum Qingdao266580 Shandong China School of Geosciences China University of Petroleum Qingdao 266580 Shandong China Exploration and Development Research Institute PetroChina Huabei Oilfield Company Renqiu 062552 Hebei China

1 Introduction Pore is the major oil and gas reservoir, and its volume and structure determines the gas capacity of shale and the occurrence mode of gas. The development of shale porosity is mainly affected by the content and diagenesis of quartz, clay and some other minerals, the content and maturity of TOC, the strength and time of tectonic activities etc., besides the study ofpore＇s character of shale reservoir is an important prerequisite to exploration and production of shale hydrocarbon and guarantee and improvement of hydrocarbon reserves. Among pores, the organic pores include organic matter pores and biological fossil pores.

关键词： oil shales GEOLOGICAL modeling FORMATION damage (Petroleum engineering) oil sands PETROLEUM geology

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Prediction of natural fracture in shale oil reservoir based on R/S analysis and conventional logs

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Frontiers of Earth Science 2021年第3期15卷 705-718页

作者： Haoran XU Wei JU Xiaobing NIU Shengbin FENG Yuan YOU Hui YANG Sijia LIU Wenbo LUAN Key Laboratory of Coalbed Methane Resources and Reservoir Formation Process(Ministry of Education)China University of Mining and Technology Xuzhou 221008China School of Resources and Geosciences China University of Mining and TechnologyXuzhou 221116China School of Geosciences China University of Petroleum(East China)Qingdao 266580China Institute of Exploration and Development PetroChina Changqing Oilfield CompanyXi'an 710018China School of Computer Science and Technology China University of Mining and TechnologyXuzhou 221116China

Investigation into natural fractures is extremely important for the exploration and development of low-permeability *** studies have proven that abundant oil resources are present in the Upper Triassic Yanchang Formation Chang 7 oil-bearing layer of the Ordos Basin,which are accumulated in typical low-permeability shale *** fractures are important storage spaces and flow pathways for shale *** this study,characteristics of natural fractures in the Chang 7 oil-bearing layer are first *** results indicate that most fractures are shear fractures in the Heshui region,which are characterized by high-angle,unfilled,and ENE-WSW-trending ***,natural fracture distributions in the Yanchang Formation Chang 7 oil-bearing layer of the study area are predicted based on the R/S analysis *** of AC,CAL,ILD,LL8,and DEN are selected and used for fracture prediction in this study,and the R(n)/S(n)curves of each log are *** quadratic derivatives are calculated to identify the concave points in the R(n)/S(n)curve,indicating the location where natural fracture *** the difference in sensitivity of each log to natural fracture,gray prediction analysis is used to construct a new parameter,fracture prediction indicator K,to quantitatively predict fracture *** addition,fracture development among different wells is *** results show that parameter K responds well to fracture *** minor errors may probably be caused by the heterogeneity of the reservoir,limitation of core range and fracture size,dip angle,filling minerals,etc.

关键词： natural fracture prediction shale oil reservoir R/S analysis Chang 7 oil-bearing layer Ordos Basin

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Review on the Estimating the Effective Way for Managing the Produced Water: Case Study

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Open Journal of Modern Hydrology 2021年第2期11卷 19-37页

作者： Mohamed A. Kassab Ali E. Abbas Iman Elgamal Basem M. Shawky Mahmoud F. Mubarak R. Hosny Egyptian Petroleum Research Institute (EPRI) Cairo Egypt Faculty of Petroleum and Mining Engineering-Suez University Suez Egypt Bader EL-Din Petroleum company (BAPETCO) Cairo Egypt

Water manufactured is the primary waste source in the oil and gas industry. Because of the rising amount of waste worldwide, the environmental effect of wastewater has become a primary environmental concern in recent years. The vast amounts involved have resulted in considerable costs to the industry for handling produced water. This research explains the wide variety of choices for water management. This research’s first phase was water minimization techniques, consisting of three different applications made in three different wells (Well 1, Well 2 and Well 3) and water recycling and reuse by two techniques. In Well 1, Mechanical shut-off technique was applied using through tubing bridge plug and 5 m cement dumped above it to isolate the watered out zone;as per water oil ration plot the water cut is decreased from 100% to 4% and the production is increased from 0 to 400 bcpd. In Well 2, Chemical shut-off technique using a polymer called Brightwater has been used to block channeling through high permeability intervals after PLT log detected it, and the result was brilliant, the water cut decreased from 60% to 25%, also the oil production increase from 500 to 3000 bopd. In Well 3, downhole separator installed in it using workover (unfortunately, this technique is not applied in middle east till the moment so this application is taken from an oil field in Canada)and the result was perfect, the water cut decreased from 70% to 28%, also the oil production increase from 44 to 100 bopd. This study tried to clarify and compare the most widely used water management techniques using one of the Western Desert (W.D.) (enhanced for oil recovery, constructed wetland).

关键词： Produced Water Water Production Problem Management Techniques Water Minimization Techniques Recycling and Reusing Technologies

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Formation Conditions of the Dolomite Tight oil in Fengcheng Formation of Fengcheng Area,Junggar Basin,Northwest China

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Acta Geologica Sinica(English Edition) 2015年第A1期89卷 247-249页

作者： HU Tao PANG Xingqi WANG Xulong PANG Hong YU Sa State Key Laboratory of Petroleum Resources and Prospecting China University of Petroleum Changping DistrictBeijing 102249 PR China College of Geoseience China University of Petroleum ChangpingDistrict Beijing 102249 PR China Xinjiang oilfield company PetroChina Karamay Xinjiang 834000 PR China

1 Introduction Combined with the actual geological settings, this paper defines that the dolomite tight oil is the oil that occurs in tight reservoirs which has permeability less than lmD, which is interbeded with or closed to shale （Energy Information Administration, 2012; National Energy Board, 2011; Canadian Society for Unconventional Resources, 2011; Jia et al., 2012; Zhou et al., 2012）.

关键词： DOLOMITE PETROLEUM reservoirs PETROLEUM prospecting PETROLEUM geology BASINS (Geology) CHINA

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YANGPU WORLD PETROLEUM BARTER TRADE CENTER PUT INTO OPERATION IN CHINA

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China oil & Gas 2005年第4期12卷 63-63页

作者： Shan Wenge Zhuanghe Subsidiary company of PetroChina Dalian Marketing company

Recently, the first petroleum barter trade market in the world has been put into operation in success, which becomes to the third petroleum trade mode in parallel with petroleum future trade and spot trade.

关键词：中国石油贸易贸易模式市场分析市场发展

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