Advances in Geo-Energy Research最新文献_第5页

A semianalytical model of fractured horizontal well with hydraulic fracture network in shale gas reservoir for pressure transient analysis 页岩气藏水力裂缝网络压裂水平井压力瞬态分析半解析模型

IF 8.2 1区地球科学

Advances in Geo-Energy Research Pub Date : 2023-06-18 DOI: 10.46690/ager.2023.06.06

Qianchen Cui, Yu-long Zhao, Liehui Zhang, Man Chen, Shangjun Gao, Zhangxing Chen

{"title":"A semianalytical model of fractured horizontal well with hydraulic fracture network in shale gas reservoir for pressure transient analysis","authors":"Qianchen Cui, Yu-long Zhao, Liehui Zhang, Man Chen, Shangjun Gao, Zhangxing Chen","doi":"10.46690/ager.2023.06.06","DOIUrl":"https://doi.org/10.46690/ager.2023.06.06","url":null,"abstract":"Cited as: Cui, Q., Zhao, Y., Zhang, L., Chen, M., Gao, S., Chen, Z. A semianalytical model of fractured horizontal well with hydraulic fracture network in shale gas reservoir for pressure transient analysis. Advances in Geo-Energy Research, 2023, 8(3): 193-205. https://doi.org/10.46690/ager.2023.06.06 Abstract: Accurate construction of a seepage model for a multifractured horizontal well in a shale gas reservoir is essential to realizing the forecast of gas well production, the pressure transient analysis, and the inversion of the postfracturing parameters. This study introduces a method for determining the fracture control region to characterize the flow area of the matrix within the hydraulic fracture network, distinguishing the differences in the flow range of the matrix system between the internal and external regions caused by the hydraulic fracture network structure. The corresponding derivation and solution methods of the semi-analytical seepage model for fractured shale gas well are provided, followed by the application of case studies, model validation, and sensitivity analysis of parameters. The results indicate that the proposed model yields computational results that closely align with numerical simulations. It is observed that disregarding the differentiation of matrix flow area between the internal and external regions of the fracture network led to an overestimation of the estimated ultimate recovery, and the boundary-controlled flow period in typical well testing curves will appear earlier. Because hydraulic fracture conductivity can be influenced by multiple factors simultaneously, conducting a sensitivity analysis using combined parameters could lead to inaccurate results in the inversion of fracture parameters.","PeriodicalId":36335,"journal":{"name":"Advances in Geo-Energy Research","volume":" ","pages":""},"PeriodicalIF":8.2,"publicationDate":"2023-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44973064","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 2

Simulation of the effect of stand-off parameter on collapse behaviours of a single cavitation bubble in jet drilling 射流钻井中支座参数对单个空化气泡坍塌行为影响的模拟

IF 8.2 1区地球科学

Advances in Geo-Energy Research Pub Date : 2023-06-16 DOI: 10.46690/ager.2023.06.05

Xiaoya Wu, Yiqun Zhang, H. Huang, Chengyu Hui, Z. Hu, Gensheng Li

{"title":"Simulation of the effect of stand-off parameter on collapse behaviours of a single cavitation bubble in jet drilling","authors":"Xiaoya Wu, Yiqun Zhang, H. Huang, Chengyu Hui, Z. Hu, Gensheng Li","doi":"10.46690/ager.2023.06.05","DOIUrl":"https://doi.org/10.46690/ager.2023.06.05","url":null,"abstract":": Cavitation jet drilling has been extensively employed for the exploitation of geo-energy resources. The dynamics of cavitation bubbles in close proximity to the solid boundary have been a subject of great interest during jet drilling, as they play a crucial role in determining the cavitation performance. In present work, the dynamics of a single cavitation bubble near a solid surface is numerically investigated by using the axisymmetric Navier-Stokes equations and the volume of fluid method with considering the surface tension of gas-liquid interface, liquid viscosity and compressibility of gas in bubble. The simulated profiles are qualitatively and quantitatively consistent with the experimental images, which proves the reliability of employed numerical model. The effects of stand-off distance on the bubble profiles, bubble volume and collapse time have been analysed. Moreover, the cavitation erosion patterns towards the solid wall are also revealed for different dimensionless stand-off distances. The simulation results reveal two distinct collapse patterns for the bubble profiles. The solid wall significantly impedes the shrinkage rate of the bubble, resulting in the longest collapse time when the dimensionless stand-off distance is 1.0. Three erosion patterns of cavitation bubbles towards the solid wall are observed, with the shock wave and micro-jet both contributing significantly to the damage caused by cavitation erosion. The shock wave sweeps the wall resulting in circular corrosion pits with a severely eroded centre, while the micro jet penetrates the wall leading to small spot corrosion pits.","PeriodicalId":36335,"journal":{"name":"Advances in Geo-Energy Research","volume":"1 1","pages":""},"PeriodicalIF":8.2,"publicationDate":"2023-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41568074","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

APyCE: A Python module for parsing and visualizing 3D reservoir digital twin models APyCE:用于解析和可视化3D油藏数字孪生模型的Python模块

IF 8.2 1区地球科学

Advances in Geo-Energy Research Pub Date : 2023-06-12 DOI: 10.46690/ager.2023.06.07

Mateus Tosta, G. P. Oliveira, Bin Wang, Zhiming Chen, Q. Liao

引用次数: 0

Effect of drilling and wellbore geometry parameters on wellbore temperature profile: Implications for geothermal production 钻井和井筒几何参数对井筒温度剖面的影响：对地热生产的影响

IF 8.2 1区地球科学

Advances in Geo-Energy Research Pub Date : 2023-06-10 DOI: 10.46690/ager.2023.06.04

Mostafa M. Abdelhafiz, J. Oppelt, O. Mahmoud, L. Hegele

引用次数: 0

Dynamic mechanisms of tight gas accumulation and numerical simulation methods: Narrowing the gap between theory and field application 致密气成藏动力学机制及数值模拟方法——缩小理论与现场应用的差距

IF 8.2 1区地球科学

Advances in Geo-Energy Research Pub Date : 2023-05-31 DOI: 10.46690/ager.2023.06.02

Wenfeng Zhao, C. Jia, Yan Song, Xiangfang Li, L. Hou, Lin Jiang

{"title":"Dynamic mechanisms of tight gas accumulation and numerical simulation methods: Narrowing the gap between theory and field application","authors":"Wenfeng Zhao, C. Jia, Yan Song, Xiangfang Li, L. Hou, Lin Jiang","doi":"10.46690/ager.2023.06.02","DOIUrl":"https://doi.org/10.46690/ager.2023.06.02","url":null,"abstract":"Cited as: Zhao, W., Jia, C., Song, Y., Li, X., Hou, L., Jiang, L. Dynamic mechanisms of tight gas accumulation and numerical simulation methods: Narrowing the gap between theory and field application. Advances in Geo-Energy Research, 2023, 8(3): 146-158. https://doi.org/10.46690/ager.2023.06.02 Abstract: Despite the significant progress made in tight gas exploration and development in recent years, the understanding of the dynamic mechanisms of tight gas accumulation is still limited, and numerical simulation methods are lacking. In fact, the gap between theory and field application has become an obstacle to the development of tight gas exploration and development. This work sheds light on the dynamic mechanisms of hydrocarbon accumulation in tight formations from the aspect of capillary self-sealing theory by embedding calculation of pressureand temperature-dependent capillary force in a pore network model. The microscale dynamic mechanisms are scaled up to the reservoir level by geological simulation, and the quantitative evaluation of reserves based on real geological sections is realized. From the results, several considerations are made to assist with resource assessment and sweet spot prediction. Firstly, the self-sealing effect of capillary in the micro-nano pore-throat system is at the core of tight sandstone gas accumulation theory; the hydrocarbon-generated expansion force is the driving force, and capillary force comprises the resistance. Furthermore, microscopic capillary force studies can be embedded into a pore network model and scaled up to a geological model using relative permeability curve and capillary force curve. Field application can be achieved by geological numerical simulations at the reservoir scale. Finally, high temperature and high pressure can reduce capillary pressure, which increases gas saturation and reserves.","PeriodicalId":36335,"journal":{"name":"Advances in Geo-Energy Research","volume":" ","pages":""},"PeriodicalIF":8.2,"publicationDate":"2023-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45827521","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 3

Improved Duncan-Chang model for reconstituted hydrate-bearing clayey silt from the South China Sea 改进的Duncan—Chang模型研究南海含水凝土的再造

IF 8.2 1区地球科学

Advances in Geo-Energy Research Pub Date : 2023-05-22 DOI: 10.46690/ager.2023.05.07

Lin Dong, N. Wu, Yajuan Zhang, Hualin Liao, G. Hu, Yanlong Li

引用次数: 1

Gas well performance prediction using deep learning jointly driven by decline curve analysis model and production data 基于递减曲线分析模型和生产数据的深度学习气井动态预测

IF 8.2 1区地球科学

Advances in Geo-Energy Research Pub Date : 2023-05-22 DOI: 10.46690/ager.2023.06.03

Liang Xue, Jiabao Wang, Jiangxia Han, Minjing Yang, Mpoki Sam Mwasmwasa, Felix Nanguka

{"title":"Gas well performance prediction using deep learning jointly driven by decline curve analysis model and production data","authors":"Liang Xue, Jiabao Wang, Jiangxia Han, Minjing Yang, Mpoki Sam Mwasmwasa, Felix Nanguka","doi":"10.46690/ager.2023.06.03","DOIUrl":"https://doi.org/10.46690/ager.2023.06.03","url":null,"abstract":": The prediction of gas well performance is crucial for estimating the ultimate recovery rate of natural gas reservoirs. However, physics-based numerical simulation methods require a significant effort to build a robust model, while the decline curve analysis method used in this field is based on certain assumptions, hence its applications are limited due to the strict working conditions. In this work, a deep learning model driven jointly by the decline curve analysis model and production data is proposed for the production performance prediction of gas wells. Due to the time-series characteristics of gas well production data, the long short-term memory neural network is selected to establish the architecture of artificial intelligence. The existing decline curve analysis model is first implicitly incorporated into the training process of the neural network and then used to drive the neural network construction along with the actual gas well production historical data. By applying the proposed innovative model to analyze the conventional and tight gas well performance predictions based on field data, it is demonstrated that the proposed long short-term memory neural network deep learning model driven jointly by the decline curve analysis model and production data can effectively improve the interpretability and predictive ability of the traditional long short-term memory neural network model driven by production data alone. Compared with the data-driven model, the jointly driven model can reduce the mean absolute error by 42.90% and 13.65% for a tight gas well and a carbonate gas well, respectively.","PeriodicalId":36335,"journal":{"name":"Advances in Geo-Energy Research","volume":" ","pages":""},"PeriodicalIF":8.2,"publicationDate":"2023-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48454443","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Experimental and numerical modeling of deformation-cracking mechanics of 3D-printed rock samples with single fracture 单裂隙3d打印岩样变形-开裂力学实验与数值模拟

IF 8.2 1区地球科学

Advances in Geo-Energy Research Pub Date : 2023-05-15 DOI: 10.46690/ager.2023.05.06

R. Song, Jun Tian, Mingyang Wu, J. Liu

{"title":"Experimental and numerical modeling of deformation-cracking mechanics of 3D-printed rock samples with single fracture","authors":"R. Song, Jun Tian, Mingyang Wu, J. Liu","doi":"10.46690/ager.2023.05.06","DOIUrl":"https://doi.org/10.46690/ager.2023.05.06","url":null,"abstract":": The analysis of mechanical response and deformation-cracking behavior contributes to the high-efficiency extraction of geo-energy and long-term safety of underground engineering structures. Compared to natural cores, the mechanical properties of 3D-printed samples made from quartz sand as raw material are relatively homogeneous, and can be used for quantitative studies on the influence of natural defects on the mechanical properties of rocks. In this work, 3D-printed samples with single fractures of different crack angles, lengths and widths were fabricated and used for uniaxial compression tests. Adopting the digital image correlation method, the stress-strain distribution during uniaxial compression tests were visualized, and the influence of prefabricated fracture characteristics (dip angle, length, and width) on the deformation-failure process were studied. An extended finite element method subroutine for ABAQUS ® software was modeled and used for the uniaxial compression simulation, which was validated by experiments. Then, the influence of mechanical parameters (Young’s modulus, Poisson’s ratio, cohesion","PeriodicalId":36335,"journal":{"name":"Advances in Geo-Energy Research","volume":" ","pages":""},"PeriodicalIF":8.2,"publicationDate":"2023-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48820202","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Opportunities and challenges in CO2 geologic utilization and storage 二氧化碳地质利用和储存的机遇与挑战

IF 8.2 1区地球科学

Advances in Geo-Energy Research Pub Date : 2023-05-05 DOI: 10.46690/ager.2023.06.01

Liwei Zhang, W. Nowak, S. Oladyshkin, Yan Wang, J. Cai

引用次数: 3

Preparation and investigation of self-healing gel for mitigating circulation loss 缓解循环损失的自修复凝胶的制备与研究

IF 8.2 1区地球科学

Advances in Geo-Energy Research Pub Date : 2023-04-28 DOI: 10.46690/ager.2023.05.05

Ren Wang, Cheng Wang, Yifu Long, Jinsheng Sun, Luman Liu, Jianlong Wang

引用次数: 2