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Elements of reservoir simulation for tight gas reservoirs with water influx 含水侵积致密气藏储层模拟要素
Journal of Geotechnology and Energy Pub Date : 2021-08-31 DOI: 10.7494/jge.2021.38.2.4357
Magdalena Sowa-Zyzańska
{"title":"Elements of reservoir simulation for tight gas reservoirs with water influx","authors":"Magdalena Sowa-Zyzańska","doi":"10.7494/jge.2021.38.2.4357","DOIUrl":"https://doi.org/10.7494/jge.2021.38.2.4357","url":null,"abstract":"At present, gas obtained from unconventional deposits plays an important role in the global economy as an energy factor. The simulation of the exploitation of this type of deposits is very complex and requires an individual approach for each case, which is extremely inspiring and interesting, therefore this article attempts to deal with the problem of modeling the extraction of natural gas from tight unconventional deposits. Extraction of tight gas requires the use of measures that stimulate this process and requires an unusual approach both at the stage of deposit recognition, its drilling and exploitation. Using computer programs, more and more accurate models are developed taking into account almost all known processes occurring in the deposits during exploitation, which significantly influences the better selection of parameters of wells and operations that intensify the production, and thus improves the results of exploitation.","PeriodicalId":261652,"journal":{"name":"Journal of Geotechnology and Energy","volume":"84 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-08-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122939705","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
Safety and health hazards during servicing wells on the example of slickline service 以钢丝绳作业为例，说明作业过程中的安全和健康危害
Journal of Geotechnology and Energy Pub Date : 2021-07-31 DOI: 10.7494/jge.2021.38.1.4306
C. Mazur
{"title":"Safety and health hazards during servicing wells on the example of slickline service","authors":"C. Mazur","doi":"10.7494/jge.2021.38.1.4306","DOIUrl":"https://doi.org/10.7494/jge.2021.38.1.4306","url":null,"abstract":"In the oil and gas industry there are many serious hazards. Possible aftereffects of accidents happening on wells producing gas or crude oil could be fatal in consequences. Natural dangers such as high pressures, flammable and explosive fluids, H2S content are making every project demanding and special care should be taken when planning works in harsh conditions. There are many services that could be done to ensure long service life of the production wells and they could be done using slickline services. Slickline is usually good first choice to conduct operations on live wells and risks during this work should be analyzed. Safety measures during work are crucial for people and environment safety. Only after assessing them correctly work could be done securely and in timely manner.","PeriodicalId":261652,"journal":{"name":"Journal of Geotechnology and Energy","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133037512","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
Risk assessment of packed holeassemblies for rotary well drilling 旋转钻井中填充孔组合的风险评估
Journal of Geotechnology and Energy Pub Date : 2021-07-31 DOI: 10.7494/jge.2021.38.1.4468
Mykhailo Myslyuk, R. Dolyk
{"title":"Risk assessment of packed holeassemblies for rotary well drilling","authors":"Mykhailo Myslyuk, R. Dolyk","doi":"10.7494/jge.2021.38.1.4468","DOIUrl":"https://doi.org/10.7494/jge.2021.38.1.4468","url":null,"abstract":"The main elements of the statistical model of packed hole assemblies (PHA) design for drilling holding sections in the conditions of information uncertainty have been formalized and described. Сonstraints ystem has been given for angle maintain conditions of wellbore direction and dynamic stability of bottom hole assembly (BHA) lateral vibrations.\u0000The influence of information uncertainty of some factors (angle, parameters of the drilling practice, presence of local caverns, etc.) on risk indicators has been analyzed according to the results of numerical calculations. It has been specified that the risks of angle maintenance disturbance are significantly influenced by the angle and the weight on the bit (WOB), and dynamic stability conditions, such as angle and rotation frequency.\u0000Risks of multi-supported BHAs which have been designed for conditions of bit side force minimizing, dynamic stability and include 4 – 6 stabilizers.","PeriodicalId":261652,"journal":{"name":"Journal of Geotechnology and Energy","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125655332","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
Use of passive seismic to identify oil-bearing reservoirs in the Udmurt Republic, Russia 利用被动地震识别俄罗斯乌德穆尔特共和国的含油油藏
Journal of Geotechnology and Energy Pub Date : 2021-07-31 DOI: 10.7494/jge.2021.38.1.4290
O. Likhacheva, G. Kashin, V. Mironychev
{"title":"Use of passive seismic to identify oil-bearing reservoirs in the Udmurt Republic, Russia","authors":"O. Likhacheva, G. Kashin, V. Mironychev","doi":"10.7494/jge.2021.38.1.4290","DOIUrl":"https://doi.org/10.7494/jge.2021.38.1.4290","url":null,"abstract":"Currently, the level of oil production in the Udmurt Republic is on a declining trend, due to the depletion of large and medium-sized oil fields that have been operated for a long time. Therefore the main challenge in this region is to stabilize & increase oil extraction by means of exploring more promising oil fields of small size. However, some issues cause difficulties. Firstly, 2D and 3D seismic data often do not provide the reliable mapping of small fields. Secondly, geological prospecting and exploration, along with exploratory drilling, make these works costly. Also, the reserves’ estimation for such deposits often contains errors. Passive seismic is proposed to solve these problems, reducing exploratory and exploitation drilling in cost, with the time required for geological exploration being diminished.","PeriodicalId":261652,"journal":{"name":"Journal of Geotechnology and Energy","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123910459","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
Kinetic modeling of biosorption for hydrocarbons removal from wastewater using modified logistic equation 基于修正logistic方程的废水中烃类生物吸附动力学建模
Journal of Geotechnology and Energy Pub Date : 2021-07-31 DOI: 10.7494/jge.2021.38.1.4334
E. Knapik, J. Stopa
{"title":"Kinetic modeling of biosorption for hydrocarbons removal from wastewater using modified logistic equation","authors":"E. Knapik, J. Stopa","doi":"10.7494/jge.2021.38.1.4334","DOIUrl":"https://doi.org/10.7494/jge.2021.38.1.4334","url":null,"abstract":"Application of raw and modified biomass to remove hydrocarbons from wastewater by adsorption is a common practice. A mathematical modeling of biosorption kinetics is a crucial step to optimize the remediation process. In the present study, kinetic studies were carried out to describe the sorption process of crude oil and water on waste sunflower pith. To increase sorption capacity the pith surface was modified with polydimethylsiloxane (PDMS) and hydrophobic SiO2 nanoparticles. The maximum sorption capacity of raw and modified material was 17.76 and 19.62 g/g for crude oil, respectively. The system reached the equilibrium stage after 24 hours. The uptake profiles have been described by the pseudo-first order rate equation and the pseudo-second order rate equation. The calculated results were compared with experimental data and their fit was poor. To predict biosorption kinetics a new mathematically efficient procedure based on modified logistic equation was developed. The results indicate that the sunflower pith has a great potential for the removal of crude oil from water phase as an eco-friendly process.","PeriodicalId":261652,"journal":{"name":"Journal of Geotechnology and Energy","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116960682","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
Separation of natural gas liquids and water from gas condensate 从天然气凝析液中分离天然气液体和水
Journal of Geotechnology and Energy Pub Date : 2021-07-31 DOI: 10.7494/jge.2021.38.1.4331
Matthew Efe Takerhi
{"title":"Separation of natural gas liquids and water from gas condensate","authors":"Matthew Efe Takerhi","doi":"10.7494/jge.2021.38.1.4331","DOIUrl":"https://doi.org/10.7494/jge.2021.38.1.4331","url":null,"abstract":"Unlike dry gas reservoirs, condensate gas reservoirs contain a considerable amount of natural gas liquids which should be extracted to maximize energy usage. This paper uses Bryan ProMax to set up the processing units for the recovery of natural gas liquids and removal of water. The parameters for the simulation were a gas composition which assumes a sweet gas content. The outcome of the simulation includes reduction of water content below 7 lbm/MMscf, recovery of methane and recovery of propane and isobutane only. The glycol dehydration unit minimized water impurity, while cooling with Joule–Thomson valve and heat exchangers help in methane recovery and separation from natural gas liquids. The results show that natural gas liquid recovery which depends on gas composition can be recovered by controlling the conditions of several units, namely heat exchangers, flash vessels, cold separators, fractionators, stabilizers with their reboilers and condensers. ","PeriodicalId":261652,"journal":{"name":"Journal of Geotechnology and Energy","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131032022","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: 1
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