检索结果-内蒙古大学图书馆

13th International Field Exploration and development Conference, IFEDC 2023

作者： Ye, Zhi-Lin Lu, Hai-Wei Gao, Xiang Liu, Jian-Quan Jin, Yi CNPC Engineering Technology R&D Company Limited Beijing China Research Institute of Petroleum Exploration and Development Beijing China Drilling and Production Technology Research Institute PetroChina Jidong Oilfield Company Hebei China

ISBN: (纸本)9789819704675

Computerized Tomography (CT) technology has gained wide development in the field of petroleum geology due to its unique advantages in rapid, high-precision, non-destructive analysis, and three-dimensional imaging for microstructure analysis. This article reviews the research progress of CT scanning technology in the field of petroleum engineering in recent years and summarizes its applications in reservoir microstructure, rock and mineral properties, digital core simulation, and non-destructive analysis of rubber materials. Quantitative characterization information such as reservoir pore structure, mineral composition, particle size distribution, and fracture identification can be obtained through three-dimensional image analysis. By constructing digital cores, rock physical properties such as elasticity, permeability, electrical properties, and oil-water distribution can be further studied. In addition, CT scanning and imaging technology have also been gradually applied to defect analysis in rubber materials, providing new technical means for predicting their failure behavior. The construction of digital cores based on CT scanning technology has become a research hotspot in the petroleum field, providing technical support for the three-dimensional visualization and fine quantitative characterization of rock structures. In the future, achieving the integration of digital core data and constructing an application platform from core to reservoir, from micro to macro scales, is the development trend of high-precision CT scanning combined with computer technology. © The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd. 2024.

关键词： Computerized tomography

来源：评论

学校读者我要写书评

暂无评论

Equivalent circulating density calculation after gas kick considering temperature and pressure 58

Equivalent circulating density calculation after gas kick co...

引用

58th US Rock Mechanics / Geomechanics Symposium 2024, ARMA 2024

作者： Jiang, Zhenxin Tao, Zhenyu Wang, Zheng Zhang, Wenbo Liu, Yuhan Liu, Jitong Fu, Jing Fan, Honghai Sun, Lewang Engineer Technology Research Institute Xinjiang Oilfield Company Xinjiang China China University of Petroleum Beijing China CNPC Engineering Technology Research and Development Company Limited Beijing China Colorado School of mines United States

ISBN: (纸本)9798331305086

Deep water is rich in oil and gas resources, which is of great significance to world energy. However, its reservoir geological conditions are complex, the drilling safety density window is narrow, the wellbore pressure is difficult to control, overflow, kick and other accidents are prone to occur, and there are high temperature and high pressure phenomena. In order to deal with a gas kick through managed pressure drilling in time after the gas kick, it is necessary to comprehensively consider the effects of temperature and pressure on the density and rheology of drilling fluid, and accurately calculate the bottom hole ECD after gas kick. Based on the wellbore multiphase flow model and considering the influence of temperature and pressure on the density and rheology of drilling fluid, combined with the special process flow of deep water managed pressure drilling, a more accurate ECD calculation method for deep water managed pressure drilling after gas kick is established in this paper. Verified by the data of well M in a sea area of China, the error of this method is 2% with high accuracy, which provides the basis for field managed pressure drilling. Copyright 2024 ARMA, American Rock Mechanics Association.

关键词： Drilling fluids

来源：评论

学校读者我要写书评

暂无评论

What is Learned from Polymer Flooding Practices in Offshore Reservoirs?

What is Learned from Polymer Flooding Practices in Offshore ...

引用

2023 Offshore technology Conference, OTC 2023

作者： Guo, Hu Wang, Zhengbo Dang, Sisi Wen, Rui Lyu, Xiuqin Liu, Huifeng Yang, Meng China University of Petroleum-Beijing CNPC Research Institue of Petroleum Exploration Development PetroChina Xinjiang Oilfield Company Sinopec Northwest Oilfield Company CNPC Engineering Technology R&D Company Limited

ISBN: (纸本)9781613999745

Polymer flooding is very promising chemical enhanced oil recovery technique because it has been widely field tested in many oil fields and commercially applied in several countries in onshore reservoirs. The understanding of polymer flooding mechanisms is still developing, even though the principal mechanism was sweep efficiency increase due to reduced mobility ratio of water and oil due to reduced mobility of water. The incorporation of polymer flooding mechanisms and practical challenges make some projects fail to attain economical or technical goal. For offshore reservoirs, the polymer flooding becomes more difficult because of limited space and harsh reservoirs. Although there were hundreds of polymer flooding field tests in onshore reservoirs, polymer flooding in offshore reservoirs remains limited. In this paper, the previous onshore polymer flooding lessons and findings were briefly reviewed to look into the mechanisms which can guide the design of polymer flooding in offshore reservoirs. Then, the lessons learned from previous offshore reservoirs were reviewed. Advices were given to improve the field test performance. it is conclude that low concentration polymer solution with moderately-low viscosity should be injected into offshore reservoirs to keep displacing pressure between injectors and producers. The injected polymers should have good transportation ability which avoids the formation blockage. The optimum injection timing remains to be further investigated because the evidences. The injection rate should be controlled to avoid well casing damage which has been observed in onshore reservoirs. Except for Bohai oilfield, the formation blockage was not reported in offshore reservoirs. However, the microfracture can form in injectors which improved the injectivity of polymers as long as the injected polymers have good transportation capacity. © 2023, Offshore technology Conference.

关键词： Reservoirs (water)

来源：评论

学校读者我要写书评

暂无评论

research on the Formation Gravity Displacement Window

Research on the Formation Gravity Displacement Window

引用

2023 SPE Caspian Technical Conference and Exhibition, CTC 2023

作者： Tao, Zhenyu Fan, Honghai Liu, Yuhan Ye, Yuguang Zhou, Fei Yin, Wen Sun, Yanshuai Wang, Jinxing China University of Petroleum Beijing China CNPC Engineering Technology Research and Development Company Limited Beijing China Changzhou University Changzhou city China

ISBN: (纸本)9781959025160

Formation gravity displacement refers to the phenomenon of "overflow and leakage" in the same crack due to the difference in density between the drilling fluid and the formation fluid. In order to restrain the leakage accident caused by gravity displacement, this paper studies the formation gravity displacement window, studies the conditions of gravity displacement, and puts forward the corresponding solutions. In summary, this paper develops the wellbore-formation gravity displacement experimental device, carries out gas-liquid gravity displacement critical point experiments, summarizes and analyzes the formation gravity displacement window, and fits the critical point pressure curve of the gravity displacement window based on the results of constant pressure experiments. The existence of formation gravity displacement window was verified through computer simulation. The error between the fitting formula and the measured value is less than 10%, it can reflect the relationship between the gravity displacement window and the density difference, which is of guiding significance for on-site gravity displacement suppression and pressure-controlled drilling. Copyright 2023, Society of Petroleum Engineers.

关键词： Drilling fluids

来源：评论

学校读者我要写书评

暂无评论

A micro-crosslinked amphoteric hydrophobic association copolymer as high temperature-and salt-resistance fluid loss reducer for water-based drilling fluids

引用

Petroleum Science 2024年第3期21卷 1980-1991页

作者： Jian Li Yu-Xi Ji Xiao-Xiao Ni Kai-He Lv Xian-Bin Huang Jin-Sheng Sun School of Petroleum Engineering China University of Petroleum(East China)Qingdao266580ShandongChina Key Laboratory of Unconventional Oil&Gas Development China University of Petroleum(East China)Qingdao26650ShandongChina Inspection and Testing Center of Huabei Oil Field Company PetroChinaRenqiu062552HebeiChina Drilling Fluid Research Institute CNPC Engineering Technology R&D Company LimitedBeijing102206China

During ultradeep oil and gas drilling,fluid loss reducers are highly important for water-based drilling fluids,while preparing high temperature-and salt-resistance fluid loss reducers with excellent rheology and filtration performance remains a ***,a micro-crosslinked amphoteric hydrophobic association copolymer(i.e.,DADC)was synthesized using N,N-dimethyl acrylamide,diallyl dimethyl ammonium chloride,2-acrylamido-2-methylpropane sulfonic acid,hydrophobic monomer,and pentaerythritol triallyl ether *** to the synergistic effects of hydrogen bonds,electrostatic interaction,hydrophobic association,and micro-crosslinking,the DADC copolymer exhibited outstanding temperature-and *** rheological experiments have shown that the DADC copolymer had excellent shear dilution performance and a certain degree of salt-responsive viscosity-increasing *** DADC copolymer could effectively adsorb on the surface of bentonite particles through electrostatic interaction and hydrogen bonds,which bring more negative charge to the bentonite,thus improving the hydration and dispersion of bentonite particles as well as the colloidal stability of the drilling ***,the drilling fluids constructed based on the DADC copolymer exhibited satisfactory rheological and filtration properties(FLHTHP=12 m L)after aging at high temperatures(up to200℃)and high salinity(saturated salt)***,this work provided new insights into designing and fabricating high-performance drilling fluid treatment agents,demonstrating good potential applications in deep and ultradeep drilling engineering.

关键词： Fluid loss reducer Temperature-and salt-resistance Hydrophobic association Amphoteric Micro-crosslinking

来源：评论

学校读者我要写书评

暂无评论

Analysis of Hidden Dangers in Low Production and Efficiency Gas Wells in Remote Areas of Changqing Oilfield and Discussion on Treatment Measures 13th

Analysis of Hidden Dangers in Low Production and Efficiency ...

引用

13th International Field Exploration and development Conference, IFEDC 2023

作者： Zheng, Weishi Drilling and Production Engineering Technology Research Institute CNPC Chuanqing Drilling Engineering Company Limited Sichuan Chengdu China National Engineering Laboratory for Low-Permeability Oil and Gas Field Exploration and Development Shaanxi Xi’an China

ISBN: (纸本)9789819702558

There are many remote gas exploration wells in Changqing Oilfield, which have problems such as long development time, incomplete information, missing key gas testing data and data, unclear wellbore conditions, high wellhead pressure, and the possibility and uncertainty of wellhead leakage accidents, making management difficult. This article analyzes and explores the hidden dangers and treatment measures of remote low production and low efficiency gas wells in Changqing Oilfield, providing reference opinions for the treatment work of remote low production and low efficiency wells, in order to improve the safety management of remote gas exploration wells, reduce economic costs and losses. © The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd. 2024.

关键词： Efficiency

来源：评论

学校读者我要写书评

暂无评论

Experimental study of the influencing factors and mechanisms of the pressure-reduction and augmented injection effect by nanoparticles in ultra-low permeability reservoirs

引用

Petroleum Science 2024年第3期21卷 1915-1927页

作者： Pan Wang Yu-Hang Hu Liao-Yuan Zhang Yong Meng Zhen-Fu Ma Tian-Ru Wang Zi-Lin Zhang Ji-Chao Fang Xiao-Qiang Liu Qing You Yan Zhang Beijing Key Laboratory of Unconventional Natural Gas Geological Evaluation and Development Engineering China University of Geosciences(Beijing)Beijing100083China School of Energy Resources China University of Geosciences(Beijing)Beijing100083China Petroleum Engineering Technology Research Institute Sinopec Shengli Oilfield CompanyDongying257000ShandongChina Hekou Oil Production Plant Sinopec Shengli Oilfield CompanyDongying257200ShandongChina Petroleum Exploration and Production Research Institute SINOPECBeijing102206China CNPC Engineering Technology R&D Company Limited Beijing102206China

Nanoparticles(NPs)have gained significant attention as a functional material due to their ability to effectively enhance pressure reduction in injection processes in ultra-low permeability *** are typically studied in controlled laboratory conditions,and their behavior in real-world,complex environments such as ultra-low permeability reservoirs,is not well understood due to the limited scope of their *** study investigates the efficacy and underlying mechanisms of NPs in decreasing injection pressure under various injection conditions(25—85℃,10—25 MPa).The results reveal that under optimal injection conditions,NPs effectively reduce injection pressure by a maximum of 22.77%in core *** pressure reduction rate is found to be positively correlated with oil saturation and permeability,and negatively correlated with temperature and ***,particle image velocimetry(PIV)experiments(25℃,atmospheric pressure)indicate that the pressure reduction is achieved by NPs through the reduction of wall shear resistance and wettability *** work has important implications for the design of water injection strategies in ultra-low permeability reservoirs.

关键词： Nanoparticle Pressure reduction Augmented injection Ultra-low permeability reservoir

来源：评论

学校读者我要写书评

暂无评论

Evaluation and Study on Factors Influencing Scale Formation in Low Production and Low Efficiency Gas Wells 13th

Evaluation and Study on Factors Influencing Scale Formation ...

引用

13th International Field Exploration and development Conference, IFEDC 2023

ISBN: (纸本)9789819702558

In the long-term production process of gas wells, wellbore scaling and blockage are very important adverse factors, and their impact on the normal production operations of low production and low efficiency gas wells is particularly significant. In order to fully utilize the production capacity of gas wells, petroleum workers have studied and applied many wellbore blockage removal techniques. This article conducts experimental evaluation and research on the produced fluid and wellbore blockages of low production and low efficiency wells in Jingbian Gas Field, exploring the causes and mechanisms of wellbore scaling and blockages, providing important reference opinions for the resumption of production and production increase of low production and low efficiency gas wells. © The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd. 2024.

关键词： Efficiency

来源：评论

学校读者我要写书评

暂无评论

research and Application of Online Replaceable Anode Well for Cathodic Protection of Oil Well Casing 13th

Research and Application of Online Replaceable Anode Well fo...

引用

13th International Field Exploration and development Conference, IFEDC 2023

作者： Gao, Bao-Yuan Li, Zhao-Hui Zheng, Wei-Shi Wei, Ke-Ying Drilling & Production Engineering Technology Research Institute CNPC Chuanqing Drilling Engineering Company Limited Chengdu China National Engineering Laboratory for Low-Permeability Oil and Gas Field Exploration and Development Xian China PetroChina Changqing Oilfield Company Xi’an China

ISBN: (纸本)9789819702558

For cathodic protection of oil well casings, the existing anode well is an open-hole completion well, and after a period of operation, the well wall is prone to collapse, resulting in the anode body and exhaust pipeline being buried. After the anode well fails, it is difficult to repair it, and the anode body of the anode well cannot be directly replaced after consumption. Therefore, it is necessary to rebuild the anode well. A study on online replaceable anode wells for cathodic protection of oil well casings was conducted. In August 2021, field applications were conducted in two cluster well groups in the Pingqiao operation area of the First Oil Production Plant of Changqing Oilfield. Both sets of anode body mechanisms in the anode shaft were vertically placed in the anode shaft, with one main and one standby operating. When the electronic release capabilities of both the main and standby anode bodies cannot meet the system operation requirements, The anode core in the main and standby anode bodies can be removed and replaced, enabling the system to work normally, achieving the goal of reusing the anode ground bed, avoiding the need for repeated drilling. Moreover, the replacement is simple and the construction period is short, not only saving the cost of re drilling the anode well, but also beneficial to the environmental protection of the well site, with significant economic benefits, achieving and meeting the needs of oilfield development. © The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd. 2024.

关键词： Anodes

来源：评论

学校读者我要写书评

暂无评论

Optimization of Well Types and Trajectories for development of Stratified Carbonate Gas Reservoirs 13th

Optimization of Well Types and Trajectories for Development ...

引用

13th International Field Exploration and development Conference, IFEDC 2023

作者： Shi, Hai-Dong Liu, Xiao-Yan Xing, Yu-Zhong Cheng, Mu-Wei Wu, Ling-Ke Li, Yun-Zhu Langfang China Beijing ReMark Energy Technology Co. Ltd. Beijing China Geological Exploration and Development Research Institute CNPC Chuanqing Drilling Engineering Company Limited Chengdu China

ISBN: (纸本)9789819704743

The type and trajectory optimization of development well is of great significance for the development of gas reservoirs, which is related to the work in many aspects, such as the number of development wells, well pattern design, and production proration of single well. Carbonate gas reservoirs have strong heterogeneity. Definitely, the stratified carbonate gas reservoirs on the right bank of Amu Darya River are thin in single layer, so that no benefit can be gained from the development of a single layer. Therefore, commingled production in vertical direction should be considered. However, it is usually hard to obtain high production by development through the vertical well. Generally, the optimization of well type and trajectory is one of the key factors for efficient development of gas fields. Taking GAD Gasfield on the right bank of Amu Darya River as an example, the production indexes under different types and trajectories of development well were predicted through numerical simulation. On this basis, the development effects of development wells in different types and trajectories were compared, and the impact of well types and trajectories on the development effects of gas fields was analyzed, thus providing a theoretical basis for the productivity construction of such gas reservoirs. © The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd. 2024.

关键词： Trajectories

来源：评论

学校读者我要写书评

暂无评论

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

请选择保存的检索档案：

请选择收藏分类：

通借通还

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：