Relevant bibliographies by topics / Near-well zone physic-geological model

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers
  5. Reports

Academic literature on the topic 'Near-well zone physic-geological model'

Author: Grafiati
Published: 28 May 2022
Last updated: 18 July 2025

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Journal articles on the topic "Near-well zone physic-geological model"

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Kereyev, Anuar B., Almira Ye Aldebek, Vladislav V. Bondaruk, and Altynbek S. Mardanov. "Fracture Modeling of a Carbonate Reservoir: A Case Study of the East Urikhtau Field." Kazakhstan journal for oil & gas industry 7, no. 1 (2025): 19–31. https://doi.org/10.54859/kjogi108799.

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Background: Fracture Modeling of carbonate reservoirs plays a key role in predicting well productivity and enhancing field development efficiency. The East Urikhtau field, located in the eastern flank zone of the Pre-Caspian Depression, features a complex tectonic structure with an extensive system of faults and fractures. These geological features significantly impact the filtration and storage properties of carbonate reservoirs, making advanced geological modeling techniques necessary. A comprehensive fracture model allows a more precise evaluation of structural heterogeneities and their eff
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Soromotin, Andrey V., and Dmitriy A. Martyushev. "Integration of field data and application of machine learning methods to assess the condition of the near-wellbore zone of carbonate reservoirs." Bulletin of the Tomsk Polytechnic University Geo Assets Engineering 336, no. 1 (2025): 50–60. https://doi.org/10.18799/24131830/2025/1/4581.

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Relevance. Increase in the share of hard-to-recover reserves. Often, for the effective development of complex reservoirs, methods of enhanced oil recovery and production intensification are used. Currently, the feasibility of carrying out geological and technical measures is based on the results of interpretation well tests, which allows assessing the condition of the near-wellbore zone. The disadvantages of this research method are a long shutdown (as a result, “shortfalls” of oil) and increased risks of failure to bring wells into operation. In this regard, the integration of field data and
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Tokarevsky, O., and I. Iarmosh. "Assessing Impact of Sorption in Geological Medium on Permissible Activity of Radioactive Waste in Near-Surface Disposal Facilities." Nuclear and Radiation Safety, no. 3(75) (August 22, 2017): 34–39. http://dx.doi.org/10.32918/nrs.2017.3(75).06.

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The paper considers the conservative scenario of potential exposure that envisages simultaneous destruction of barriers with simultaneous release of radionuclides by the example of Lot 3 near-surface radioactive waste disposal facility at the Vektor Industrial Complex located in the Chornobyl Exclusion Zone. A conceptual model that considers migration of radionuclides through the aeration zone and aquifer to the potable water well, as well as mixing of infiltration water containing radionuclides with ground water in case of reaching the aquifer, was developed to analyze the mentioned scenario.
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Bychkov, A. Yu, Yu A. Popova, O. E. Kikvadze, and N. V. Lubnina. "Thermodynamic model of chemical re-magnetization on the example of Girvas paleovolcano of the Onega structure of Karelian craton." Moscow University Bulletin. Series 4. Geology, no. 1 (February 28, 2019): 38–45. http://dx.doi.org/10.33623/0579-9406-2019-1-38-45.

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Volcano Girvas is a complexly constructed volcano complex of the Yatuli age. Apparently, it is a shield lava volcano, which was probably one of the supply channels of the vast lava field of the western Prionezhie region within the Girvas volcanic zone. Despite the fact that the Girvassky volcano is bare only fragmentary, the structure of the current is perfectly preserved in the rocks, allowing to reconstruct the direction of flow. Among these rocks, there is a zone of postvolcanic hydrothermal changes in the rocks, consisting mainly of nesting and veined tourmalization and silicification, as
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Kühn, Michael, Vaughan Stagpoole, Graham Paul D. Viskovic, and Thomas Kempka. "New data for a model update of the Waiwera geothermal reservoir in New Zealand." Advances in Geosciences 65 (September 27, 2024): 1–7. http://dx.doi.org/10.5194/adgeo-65-1-2024.

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Abstract. Waiwera is a small coastal village located on New Zealand's North Island above a geothermal reservoir. The origin of the hot water is not well understood. An inferred fault zone at the base of the reservoir is thought to channelise the uprising thermal water. The most recent geological model of Waiwera integrates the depositional environment, mineralogical composition and stratigraphic structures. Coupled numerical fluid flow, heat and transport simulations indicated that further model revisions are required, with support by additional field campaigns, to increase the knowledge of th
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Tompkins, Michael J., David L. Alumbaugh, Darrell T. Stanley, and Xinyou Lu. "Numerical analysis of near‐borehole and anisotropeic layer effects on the response of multicomponent induction logging tools." GEOPHYSICS 69, no. 1 (2004): 140–51. http://dx.doi.org/10.1190/1.1649382.

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We present finite‐difference simulation results that lend new insight into the behavior of multicomponent induction logging tools when in the presence of anisotropic layers, boreholes, and invasion zones. We use four independent models to investigate multicomponent tool properties as well as typical magnetic field responses. In addition, model variations with respect to formation dip angle, layer geometry, and conductivity provide data about the effects of geological variation on the multicomponent responses. Simulations suggest a coaxial tool configuration senses a depth of twice the source–r
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Yakushin, R. V., A. V. Chistolinov, V. S. Boldyrev, et al. "Research of Liquid Phase Oxidation of Aliphatic Alcohols in Plasma Chemical Water Treatment." Herald of the Bauman Moscow State Technical University. Series Natural Sciences, no. 1 (94) (February 2021): 92–108. http://dx.doi.org/10.18698/1812-3368-2021-1-92-108.

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Plasma chemistry is part of the development of high technology that meets the modern requirements of greening and resource conservation. The study of physic-chemical laws and processes occurring in the zone of action of electric discharge plasma near the surface of a liquid is of high scientific and applied interest. In the study, developed and patented by a team of authors, plasma-chemical reactors were used, which implement the treatment of a liquid with both barrier and glow discharges near the surface of the liquid phase in a flow-through mode. Solutions of primary and secondary aliphatic
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Ilienko, V., Т. Burakhovich, and А. Kushnir. "INTERPRETATION OF THE 3D GEOELECTRICAL MODEL OF THE INTERSECTION AREA OF THE ZVIZDAL-ZALISKA AND NEMYRIVSK FAULT ZONES." Visnyk of Taras Shevchenko National University of Kyiv. Geology, no. 2 (101) (2023): 31–37. http://dx.doi.org/10.17721/1728-2713.101.04.

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The interpretation of the deep three-dimensional geoelectricalal model of the central part of the Zvizdal-Zaliska and Brusyliv fault zones of the Ukrainian shield, which was built with the involvement of data from experimental observations of the Earth's low-frequency electromagnetic field conducted in 2019 by the Institute of Geophysics named after S.I. Subotin of the National Academy of Sciences of Ukraine, within the Ordyntsi-Lobachiv and Zoziv-Stryzhavka profiles was done. Experimental materials were processed with the PRC_MTMV software package, tipper estimates were obtained for periods o
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Koutsoupakis, Ioannis, Yiannis Tsompanakis, Pantelis Soupios, Panagiotis Kirmizakis, SanLinn Kaka, and Costas Providakis. "Seismic Risk Assessment of Chania, Greece, Using an Integrated Computational Approach." Applied Sciences 11, no. 23 (2021): 11249. http://dx.doi.org/10.3390/app112311249.

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This study develops a comprehensive seismic risk model for the city of Chania, in Greece, which is located ina highly seismic-prone region due to the occurrenceof moderate to large earthquakes because of the nearby major subduction zone between African and Eurasian tectonic plates. The main aim is to reduce the seismic risk for the study area by incorporating the spatial distribution of the near-surface shear wave velocity model and the soil classification, along with all possible seismic sources, taking into account historical events. The study incorporates and correlates various ground motio
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Hamdon, Alaa, Rabeea Znad, Hadeer Adeeb, and Abdalrhman Qubaa. "Seismotectonic Analysis at Part of Eastern Iraq Using Remote Sensing and Geographic Information System." Iraqi Geological Journal 57, no. 1F (2024): 209–20. http://dx.doi.org/10.46717/igj.57.1f.16ms-2024-6-25.

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The northern-eastern regions of Iraq are geologically considered one of the most important areas because they have different geological structures with highly complicated morphology and are located near the Zagros suture zone (region of the collision zone between the Arabian and Eurasian plates). Therefore, these areas are very active tectonically and seismically, from this point, this study has been focused on the geological interpretation and seismic activity analysis of the seismic events of the last 10 years on the eastern side of Iraq. This study aims to explain the sources and reasons fo
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Dissertations / Theses on the topic "Near-well zone physic-geological model"

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Серженьга, О. В. "Науково-методичні засади оцінки характеру насичення пластів і положення газонафтового контакту з використанням геоелектричної моделі присвердловинної зони (на прикладі нафтогазоконденсатних родовищ Західно-Сибірської нафогазоносної провінції)". Thesis, Івано-Франківський національний технічний університет нафти і газу, 2007. http://elar.nung.edu.ua/handle/123456789/4219.

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У дисертації висвітлюються актуальні питання визначення положення газонафтового і водонафтового контактів на “водоплавних” нафтогазоконденсатних покладах за результатами геофізичних досліджень у відкритому стовбурі свердловини. Такі поклади є об'єктами з дуже складними електричними властивостями присвердловинної зони і потребують підвищення інформативності комплексу методів ГДС. Теоретично обґрунтовано і доведено фактичними дослідженнями в свердловинах переваги методу ВІКІЗ для визначення параметрів геоелектричної моделі порід-колекторів, які виповнюють теригенні відклади юрського комплексу ЗС
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Book chapters on the topic "Near-well zone physic-geological model"

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Ávila, Guillermo, and María Paula Ávila-Guzmán. "Lessons from the Great Gramalote: Colombia Landslide (2010) and its Relocation Process." In Progress in Landslide Research and Technology. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-72736-8_5.

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AbstractColombia is located in a tropical zone periodically affected by El Niño Southern Oscillation (ENSO), which in the wet phase is called La Niña, characterized by rain values over the historical average. The last important La Niña event occurred in 2010–2011 and produced generalized floods and many landslides around the country, with important human and material losses. One of the most significant landslides triggered in this period was the Gramalote landslide, which destroyed a town of 3000 people, located in the northeast of the country and made it necessary to evacuate all the population and construct a new village 3.5 km north of the affected site. This article presents a general framework of the 2010–2011 La Niña effects in Colombia as a main cause of the Gramalote Landslide, the description of the instability problem, considering the stages previous, during, and after the landslide, as well as a back data vulnerability analysis and a review regarding the relocation process and its results after more than 13 years of the landslide occurrence. Important lessons can be learned about this complex risk management process, as a) the geological and geotechnical conditions in which the landslide occurred and the identification of the main triggering factors, b) the necessity of confident technical information about the local risk condition that takes into account extreme climate events c) the importance of such information being known and understood by local authorities and the population, d) the difficulties that arise under massive evacuation when a detailed emergency plan is not available (no one expected that there would be a landslide of the magnitude that occurred, much less that they would have to permanently evacuate all the homes), e) the complexities associated to the selection of a new site for relocation, considering not only technical aspects but social, economic, cultural and political elements that play a relevant role in the governance and success of the process, f) the back analysis of the structural vulnerability showed similar results as observed in place, but human susceptibility was much lower than the estimated on the model, and g) the positive and negative aspects of a big and long-time relocation project that may be of interest for similar cases, considering that the frequency and magnitude of future events due to climate change may produce large population migrations and the necessity to find new places to relocate these people.
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Liu, Guoping, Jun Feng, and Heyi Liu. "Numerical Simulation Research on Coupling Mechanism of Shield-Support-Surrounding Rock in Complex Loess Geology." In Advances in Frontier Research on Engineering Structures. IOS Press, 2023. http://dx.doi.org/10.3233/atde230189.

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The tunneling machine for the Hanjiang to Weihe River Water Diversion Project is expected to encounter complex and unpredictable geological conditions, which could result in accidents such as large deformations of soft rock and segment failure. To address this, a refined numerical simulation model using FLAC3D was utilized to study the coupling mechanism of shield-support-surrounding rock under loess geological conditions. Results show that the overall rock deformation is significant, but due to the support effect of the face, displacement at the cutter head is minimal. Deformation of the surrounding rock increases gradually from the back of the face to the pipe segment. Stress redistribution occurs within a certain range of the gap reserved at the shield, with the maximum principal stress in the secondary stress located near the tail of the shield. A typical cave section of Bailu Tableland exhibits a layered stress distribution phenomenon, with stress release from the cave wall to the outer rock mass. This includes zones of concentration, transition zones, and non-interference zones. In the excavation direction of the tunnel, the maximum principal stress is relatively high at the junction of the shield tail and the segment structure, as well as at the entrance of the tunnel.
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Liu, Cong, Kang Wang, and Shen Zhou. "An Improved Elastoplastic Damage Model Combining Tension and Shear Failure Modes for Brittle Rock and Its Application." In Advances in Transdisciplinary Engineering. IOS Press, 2023. http://dx.doi.org/10.3233/atde230708.

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Dynamic failure of brittle rock controlled by complex tensile and shear loads has been a hot topic in both research and practice field. Based on plasticity and damage theory of continuum mechanics, a new Elastoplastic Damage Model (EDM) combining compressive/tensile and shear failure modes together for brittle rock materials is proposed in this study. The EDM is further explicitly solved by Finite Difference Method (FDM) and implemented into FLAC3D commercial software to simulate rock problems. One of application problems of rock mechanics is analysis of the stability of large section tunnels. Ganggou Tunnel is a typical super-large section tunnel with the cross area up to 219.78 m2. The stability of Ganggou Tunnel during excavation process has become a hot issue. Considering the geological condition of Ganggou Tunnel, sets of numerical cases of tunnel excavation with variable net distances between tunnels are carried out. Numerical result such as the distribution law of plastic failure zone, displacement deformation and stress evolution in surrounding rock are analysed. Results indicate that plastic failure zone of surrounding rock increases as net distance between tunnels decreases. While both eventual displacement deformation and tensile stress after tunnel excavation decrease as net distance increases. The new model is validated by well describing the transitional mechanism of tensile and shear modes for rock dynamic problems. The proposed model will provide an effective numerical tool for studying the stability of rock in similar tunnel projects.
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Ignatyshyn, Vasil, Monika Ignatyshyn, and Adalbert Ignatyshyn. "Modern Horizontal Movements of the Crust in the Central Part of the Transcarpathian Internal Depression in 2021." In Contemporary Transformations of Social Development: New Challenges and Perspectives: International collective monograph / edited by Lucir Reinaldo Alves, Grygoriy Starchenko. NGO «Research and Educational Innovation Center of Social Transformations», 2024. http://dx.doi.org/10.54929/monograph-06-2024-11-02.

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The Transcarpathian internal depression is an earthquake-generating region of the Carpathian-Balkan region. Local earthquakes are registered here throughout the year, among them there are periodically noticeable local earthquakes. Previous studies of modern horizontal movements of the crust in the zone of the Berehiv mountain range and the zone of the Oash deep fault showed the main directions of crust movements. The general character of modern horizontal movements of the crust in the central part of the Transcarpathian internal depression is the expansion of rocks. Long-term studies of crustal movements in the region show the compression of rocks in the near meridional direction and the expansion of rocks in the near latitudinal direction. The results of observations in the zone of the Oash deep fault confirm the age trends characteristic of the Berehiv mountain range - east-west extension. The periodicity of modern horizontal movements of the crust in the studied region with a duration of 12 years was noted: 2 years of dynamic rest turn into a 10-year period of intensive linear expansion of rocks. It is important to point out the discovered connection between the period of rock expansion and the seismic activity of the region, when many local earthquakes are recorded, including significant ones. The obtained results are important for obtaining a model of seismotectonic processes in earthquake-prone regions. Therefore, it is urgent to continue the measurement of modern horizontal movements of the crust in the Transcarpathian internal depression, which opens up opportunities for establishing the dynamics of crust movements and the directions of displacements of the upper layers of the earth's crust, which is important in the future forecasting of geological processes in earthquake-prone regions.
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Wackernagel, Hans, and Henri Sanguinetti. "Gold Prospecting With Factorial Cokriging In The Limousin, France." In Computers in Geology - 25 Years of Progress. Oxford University Press, 1994. http://dx.doi.org/10.1093/oso/9780195085938.003.0008.

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In geochemical prospecting for gold a major difficulty is that many values are below the chemical detection limit. Tracers for gold thus play an important role in the evaluation of multivariate geochemical data. In this case study we apply geostatistical methods presented in Wackernagel (1988) to multielement exploration data from a prospect near Limoges, France. The analysis relies upon a metallogenetic model by Bonnemaison and Marcoux (1987, 1990) describing auriferous mineralization in shear zones of the Limousin. The aim of geochemical exploration is to find deposits of raw materials. What is a deposit? It is a geological anomaly which has a significant average content of a given raw material and enough spatial extension to have economic value. The geological body denned by an anomaly is generally buried at a specific depth and may be detectable at the surface through indices. These indices, which we shall call superficial anomalies, are disposed in three manners: at isolated locations, along faults, and as dispersion halos. These two definitions of the word "anomaly" correspond to a vision of the geological phenomenon in its full continuity. Yet in exploration geochemistry only a discrete perception of the phenomenon is possible through samples taken along a regularly meshed grid. A superficial anomaly thus can be apprehended by one or several samples or it can escape the grip of the geochemist when it is located between the nodes of the mesh. A geochemical anomaly, in the strict sense, only exists at the nodes of the sampling grid and we shall distinguish between: a pointwise anomaly defined on a single sample, and a groupwise anomaly defined on several neighboring samples. This distinction is important both upstream, for the geological interpretation of geochemical measurements, and downstream, at the level of geostatistical manipulation of the data. It will condition an exploration strategy on the basis of the data representations used in this case study. A pointwise anomaly, i.e., a high, isolated value of the material being sought, will correspond either to a geological phenomenon of limited extent or to a well hidden deposit.
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Doveton, John H. "Compositional Analysis of Mineralogy." In Principles of Mathematical Petrophysics. Oxford University Press, 2014. http://dx.doi.org/10.1093/oso/9780199978045.003.0009.

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Formation lithologies that are composed of several minerals require multiple porosity logs to be run in combination in order to evaluate volumetric porosity. In the most simple solution model, the proportions of multiple components together with porosity can be estimated from a set of simultaneous equations for the measured log responses. These equations can be written in matrix algebra form as: . . . CV = L . . . where C is a matrix of the component petrophysical properties, V is a vector of the component unknown proportions, and L is a vector of the log responses of the evaluated zone. The equation set describes a linear model that links the log measurements with the component mineral properties. Although porosity represents the proportion of voids within the rock, the pore space is filled with a fluid whose physical properties make it a “mineral” component. If the minerals, their petrophysical properties, and their proportions are either known or hypothesized, then log responses can be computed. In this case, the procedure is one of forward-modeling and is useful in situations of highly complex formations, where geological models are used to generate alternative log-response scenarios that can be matched with actual logging measurements in a search for the best reconciliation between composition and logs. However, more commonly, the set of equations is solved as an “inverse problem,” in which the rock composition is deduced from the logging measurements. Probably the earliest application of the compositional analysis of a formation by the inverse procedure applied to logs was by petrophysicists working in Permian carbonates of West Texas, who were frustrated by complex mineralogy in their attempts to obtain reliable porosity estimates from logs, as described by Savre (1963). Up to that time, porosities had been commonly evaluated from neutron logs, but the values were excessively high in zones that contained gypsum, caused by the hydrogen within the water of crystallization. The substitution of the density log for the porosity estimation was compromised by the occurrence of anhydrite as well as gypsum.
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Ballantyne, Geoffrey H., Tracy W. Smith, and Patrick B. Redmond. "Distribution and Mineralogy of Gold and Silver in the Bingham Canyon Porphyry Copper Deposit, Utah." In Geology and Ore Deposits of the Oquirrh and Wasatch Mountains, Utah. Society of Economic Geologists, 1998. http://dx.doi.org/10.5382/gb.29.11.

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Abstract The Bingham Canyon porphyry copper deposit, prior to mining, is estimated to have contained 40.4 million ounces of gold and 289 million ounces of silver within 3,105 million tons of ore. The gold-mineralized zone mimics the shape of, and is coaxial with, the copper ore shell, but the zone of highest-grade gold mineralization lies at a slightly lower elevation than the zone of highest-grade copper mineralization. Geological observations suggest that high gold grades are associated with abundant bornite. The distribution of silver corresponds closely with that of copper. Gold and silver recoveries for Bingham porphyry ore have averaged 68 and 81 percent, respectively, since the introduction of froth flotation in 1920. Electron microprobe examinations of head and concentrate samples suggest that most gold occurs as particles less than 25 microns across and is alloyed with less than 15 wt percent silver. Most gold particles occur on the boundaries of chalcopyrite and bornite grains and as inclusions within those minerals. Gold, silver, and bismuth tellurides are present but rare. The mode of occurrence of silver is not well established, but based on the high silver recovery and the response of concentrator products to leach tests, most of the silver is inferred to be present in solid solution in copper sulfide minerals. Sequential leach tests suggest that approximately 10 percent of the gold in the ore is encapsulated in pyrite and approximately 5 percent is encapsulated in silicate minerals.
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Auez Egemberdievich, Abetov, Yessirkepova Sharbanu Bakhytovna, and Julia Barbosa Curto Ma. "The Geomagnetic Field Transformants and Their Complexing with Data of Gravitational, Thermal and Radioactive Fields: During the Exploration of Hydrocarbon Fields at the Southern Part of the Ustyurt Region." In GIS and Spatial Analysis [Working Title]. IntechOpen, 2023. http://dx.doi.org/10.5772/intechopen.111560.

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The chapter discusses the results of the interpretation of aeromagnetic survey data in the southern part of the Ustyurt region in order to identify zones that are heterogeneous in magnetic properties, with their subsequent tie-up with areas promising for the detection of hydrocarbon accumulations. Three tectonic elements are distinguished—the Central Ustyurt system of disturbances, the Shakhpakhty step and the Assakeaudan depression according to the sign, orientation and quantitative values of the transformants of the geomagnetic field, and, consequently, according to the depth and extent of distribution of magnetized rocks, based on the degree of deformation of lithological-stratigraphic complexes and levels by deep faults. Within these tectonic elements, the transformants of the geomagnetic field were comprehensively interpreted with the data of gravitational, thermal and radiochemical fields to increase the reliability of the results of geological interpretation. This made it possible to study the behavior and characteristics of faults, to draw conclusions about the depth of gravitational and magnetically disturbing masses, about the degree of geological heterogeneity of large geostructures, as well as to trace the nature of the manifestation of local structures in geophysical fields. The Central Ustyurt system of dislocation, the Shakhpakhty step and the Assakeaudan depression differ in varying degrees of active tectonics and differentiation by the degree of dislocation of oil and gas prospective objects, fragmentation by faults, by the extent of distribution of reservoir rocks and oil and gas source suite, conditions of conservation of hydrocarbon accumulations, directions and channels of probable hydrocarbon migration, and assumptions are made about the relationship of oil and gas prospective structures and explored hydrocarbon field with large deep faults. The author’s studies of transformants of magnetic and gravitational fields, geothermal and aerogamma spectrometry data clearly indicate in favor of the prospects of oil and gas potential of local structures of the Shakhpakhty step: Utezhan, Kozhantai, Northern Kozhantai, Otynshy. In general, the results obtained will serve as a reliable basis for clarifying and detailing the geological and structural-formation models of the Southern Ustyurt, which can be used as the basis for the design of geological exploration for the exploration of new hydrocarbon field using expensive and time-consuming seismic exploration of CDP-3D and deep drilling.
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Zoran M. "Seismic hazard in Vrancea area, Romania, inferred from satellite, GPS and geophysical data." In Remote Sensing for a Changing Europe. IOS Press, 2009. https://doi.org/10.3233/978-1-58603-986-8-475.

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Placed at conjunction of four tectonic blocks which lie on the edge of the Eurasian plate, Vrancea zone in Romania is considered one of the most seismically active area in Europe, being characterized by strong intermediate depth seismicity in a very limited and well defined hypocentral region.The joint analysis of geodetic, seismological, geological and time-series satellite data (LANDSAT MSS, TM and ETM, SAR-ERS 1/2, ASTER, MODIS) is revealing new insights in the understanding of the kinematics and dynamics of the complex plate boundary system and long-term deformation in relation with earthquake activity. Multispectral and multitemporal satellite images over a period 1975–2005 have been analyzed for recognizing the continuity and regional relationships of active faults as well as for geologic and seismic hazard mapping. Seismic hazard maps and classifications of different geologic features and Digital Elevation Models (DEM) generation from SAR ERS1/2, Landsat TM, ETM, and ASTER data are highly correlated with in-situ ground data. GPS measurements provide information on the rate of strain accumulation on active faults (coseismic, postseismic, and interseismic deformation; plate motion and crustal deformation at plate boundaries). Based on GPS Romanian network stations data was revealed a displacement of about 5 or 6 millimeters per year in horizontal direction relative motion, and a few millimeters per year in vertical direction. Future use of long-term InSAR data will be a useful tool in active tectonic investigation for this region.
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Conference papers on the topic "Near-well zone physic-geological model"

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Andaru, Arkanu, Muhammad Budisatya Wiranatanagara, Muhammad Yusuf Abdul Madjid, Nugraha Ardiansyah, and Jonathan Kristian. "An Onshore to Offshore Conceptual Model to Characterise Structural Domain in West Timor Basin." In SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition. SPE, 2023. http://dx.doi.org/10.2118/215285-ms.

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Abstract Despite its complex geological and structural conditions, West Timor holds great potential for petroleum exploration. However, a lack of data on the onshore area has made it challenging to fully understand the geological conditions that extend from offshore to onshore. This study aims to develop a geologic conceptual model that unravels the geological and structural complexity in West Timor by extending the geological understanding from onshore to offshore. To achieve this goal, a play-based exploration methodology is employed, which includes geological field mapping and fluid sample
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Hasanov, A. B., E. Y. Abbasov, and D. N. Mammadova. "Graphical 3D Detailing of the Bottomhole Part of the Well with the Identification of Drainage Zones within of Productive Interval." In SPE Caspian Technical Conference and Exhibition. SPE, 2023. http://dx.doi.org/10.2118/217648-ms.

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Abstract Objectives The article describes a method of detailing the bottom hole part of the well with the identification of drainage zones and subsequent graphical 3D modeling of the pore structure of the productive interval. Procedures A geological and geophysical section of the productive horizon of an oil well was chosen as a natural polygon, for which well logging data and microcomputer tomography of the core are available. Thus, according to well logging data, it was proved that the studied productive part of the section is characterized by a high degree of heterogeneity. At the same time
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Abdel Rafea, Mahmoud, and Cristhian Criado. "Autonomous Inflow Control Device Pilot Application for Extra Heavy Oil Field." In ASME 2018 37th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/omae2018-77223.

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Autonomous Inflow Control Device (AICD) completion was successfully designed and applied in a horizontal well drilled in a deep reservoir in an extra heavy oil field located in South America where the average total depth of the targeted reservoir is around ten thousands feet and the in-situ viscosity is 600 cps while API Gravity is ranged between 8.5–9.5. Due to geological and petro-physical features in this area which turns into permeability variations and thick transition zone across the reservoir, a horizontal well of 2500 feet length was drilled and completed with a standalone screen along
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Kumari, B., D. Chatterjee, S. Kumar Singh, K. Gollapudi v s, S. Somasundaram, and S. Chakraborty. "Maximizing Hydrocarbon Potential in Marginal Field Using Data Integration Techniques, A Case Study from the Saraswati Field, Barmer Basin, India." In ADIPEC. SPE, 2023. http://dx.doi.org/10.2118/216198-ms.

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Abstract Saraswati Field, located in south-central part of hydrocarbon prolific Barmer Basin is a marginal field and has been developed with a cautious approach to address high degree of uncertainty. The paper summarizes the robust workflow considered for a complete phased re-development approach by leveraging state-of-the-art multi-disciplinary data integration techniques aiming to access the true potential through maximizing the productivity while mitigating uncertainties associated with reservoir characterization for minimizing risk. The stratigraphy of the Saraswati field can be divided in
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Kolomytsev, Alexander, and Yulia Pronyaeva Pronyaeva. "3D PETROPHYSICS FOR HAWE: CASE STUDIES." In 2021 SPWLA 62nd Annual Logging Symposium Online. Society of Petrophysicists and Well Log Analysts, 2021. http://dx.doi.org/10.30632/spwla-2021-0055.

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Most conventional log interpretation technics use the radial model, which was developed for vertical wells and work well in them. But applying this model to horizontal wells can result in false conclusions. The reasons for this are property changes in vertical direction and different depth of investigation (DOI) of logging tools. DOI area probably can include a response from different layers with different properties. All of this complicates petrophysical modeling. The 3D approach for high angle well evaluation (HAWE) is forward modeling in 3D. For this modeling, it is necessary to identify th
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Farnetano, Ruben Pinto, Rodrigo Gutierrez, Alfredo Freites, Kevin Torres, and Eiman Alnuaimi. "Assessment of the Influence of Fault-Associated Fracture Corridors Through Integrated Geological-Engineering Sector Screening: A Game Changer for Optimizing Reservoir Management Practices in a Giant Carbonate Onshore, Abu Dhabi U.A.E." In SPE Reservoir Characterisation and Simulation Conference and Exhibition. SPE, 2023. http://dx.doi.org/10.2118/212675-ms.

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Abstract The sector screening review is a surveillance tool used to assess and find opportunities to increase the oil production and improve the performance of the reservoir. We developed a novel interdisciplinary workflow (geology-engineering) integrating dynamic and static data in order to generate opportunities at well and field level; this methodology was used to analyze the impact of fractures in the reservoir performance and management. The complexity of the geology on areas near a graben system (structure at center of the field with biggest vertical displacement) was suspected to cause
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Gezeeri, T. M., Y. Halawah, M. Al-Haddad, et al. "Reducing Geological Uncertainty and Enhancing Reservoir Navigation in A Complex Clastic Reservoir Through Integration of Extra-Deep Azimuthal Resistivity Inversion and Litho-Density Imaging: A Case Study on Minagish Field in West Kuwait." In International Petroleum Technology Conference. IPTC, 2024. http://dx.doi.org/10.2523/iptc-24196-ms.

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Abstract The Upper Burgan Reservoir located in west Kuwait is a diverse and intricate clastic reservoir, presenting challenges in well placement due to structural and sedimentological factors, as well as uncertainty regarding the Oil Water Contact (OWC) of the reservoir. To address these uncertainties a real-time resistivity inversion coupled with the near-bit-gamma ray and litho-density image interpretation were used to map remote conductive boundaries and to provide invaluable information on the reservoir structural architecture. A geo-navigation model was created using offset well gamma ray
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Ahmad, Fazeel, Ferran Pacheco, Velimir Radman, et al. "Successful Implementation of Advanced Inversion in a New Field Achieved 100% Reservoir Exposure in a Complex Heterogeneous Reservoir – An Integrated Solution Comprising Near and Far Field LWD Measurements." In ADIPEC. SPE, 2024. http://dx.doi.org/10.2118/221815-ms.

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Abstract In a new field in the UAE offshore, the field development plan was initiated by drilling the first lateral oil producer in a low-resistivity reservoir characterized by structural uncertainty, reservoir heterogeneity, and the presence of high-permeability streaks that can act as conduits for water, potentially compromising the well's productivity. To achieve the navigation objective, two target reservoir subzones, separated by an impermeable dense zone, each with independently associated water risks, need to be exposed. To maximize reservoir exposure, maintain a safe distance from dens
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Yoon, Sangcheol, Romain Prioul, William J. Bailey, Richard Birchwood, Adrian Rodriguez-Herrera, and Joe Stefani. "Assessing CO2 Leakage Risks and Fault Stability: A Coupled Flow and Geomechanics Simulation with Uncertainty Analysis of Fault Properties." In 58th U.S. Rock Mechanics/Geomechanics Symposium. ARMA, 2024. http://dx.doi.org/10.56952/arma-2024-0772.

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ABSTRACT: This study investigates coupled flow and geomechanics simulations of carbon dioxide (CO2) injection within a hypothetical saline aquifer. We intentionally set a scenario to enable fluid migration and fault reactivation in the synthetic model of the SEG Advanced Modeling Corporation (SEAM) CO2 project. The numerical model consists of a main turbidite aquifer, along with several geological layers including a capping shale layer, middle, as well as upper aquifers. In addition, two faults, western and eastern, cut across the section striking North-South. We assume the western fault is a
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Wang, Han, Dong Chen, Zhihui Ye, and Kaifeng Mao. "A Downhole Closed-Loop Method for Wellbore Trajectory Control Based on Azimuthal Logging While Drilling Data." In SPE/IADC International Drilling Conference and Exhibition. SPE, 2025. https://doi.org/10.2118/223822-ms.

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Abstract As the drilling operations face increasingly complex geological conditions, the geosteering technology is commonly used for drilling horizontal wells. The real time drilling data is usually transmitted to surface via mud-pulse telemetry to be reconstructed, while it is often obstructed by unpredictable signal impairments, resulting in time lag or error for decision making. Therefore, this study proposes a downhole closed-loop trajectory control method based on azimuth LWD data, aimed at addressing the challenges of horizontal drilling in complex geological conditions and enhancing the
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Reports on the topic "Near-well zone physic-geological model"

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Thomas, M. D. Magnetic and gravity models, northern half of the Taltson Magmatic Zone, Rae Craton, Northwest Territories: insights into upper crustal structure. Natural Resources Canada/CMSS/Information Management, 2022. http://dx.doi.org/10.4095/328244.

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A prominent magnetic low along an eastern portion of the Paleoproterozoic Taltson magmatic zone (TMZ) correlates mainly with the youngest granitoid in the zone, the peraluminous ca. 1936 Ma Konth granite. Flanking belts of higher magnetic intensity coincide mainly with slightly older Taltson plutonic rocks (e.g. ca. 1986 Ma Deskenatlata granodiorite, ca. 1955 Ma Slave granite) to the west and Neoarchean and/or Paleoproterozic gneisses of the Rae Craton to the east. A prominent gravity low along a portion of the northeastern margin of the TMZ correlates mainly with the Konth granite. Modelling
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Carter, T. R., C. E. Logan, J K Clark, H. A. J. Russell, E. H. Priebe, and S. Sun. A three-dimensional bedrock hydrostratigraphic model of southern Ontario. Natural Resources Canada/CMSS/Information Management, 2022. http://dx.doi.org/10.4095/331098.

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A hydrostratigraphic framework has been developed for southern Ontario consisting of 15 hydrostratigraphic units and 3 regional hydrochemical regimes. Using this framework, the 54 layer 3-D lithostratigraphic model has been converted into a 15 layer 3-D hydrostratigraphic model. Layers are expressed as either aquifer or aquitard based principally on hydrogeologic characteristics, in particular the permeability and the occurrence/absence of groundwater when intersected by a water well or petroleum well. Hydrostratigraphic aquifer units are sub-divided into up to three distinct hydrochemical reg
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Russo, David, Daniel M. Tartakovsky, and Shlomo P. Neuman. Development of Predictive Tools for Contaminant Transport through Variably-Saturated Heterogeneous Composite Porous Formations. United States Department of Agriculture, 2012. http://dx.doi.org/10.32747/2012.7592658.bard.

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The vadose (unsaturated) zone forms a major hydrologic link between the ground surface and underlying aquifers. To understand properly its role in protecting groundwater from near surface sources of contamination, one must be able to analyze quantitatively water flow and contaminant transport in variably saturated subsurface environments that are highly heterogeneous, often consisting of multiple geologic units and/or high and/or low permeability inclusions. The specific objectives of this research were: (i) to develop efficient and accurate tools for probabilistic delineation of dominant geol
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Wozniakowska, P., D. W. Eaton, C. Deblonde, A. Mort, and O. H. Ardakani. Identification of regional structural corridors in the Montney play using trend surface analysis combined with geophysical imaging, British Columbia and Alberta. Natural Resources Canada/CMSS/Information Management, 2021. http://dx.doi.org/10.4095/328850.

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The Western Canada Sedimentary Basin (WCSB) is a mature oil and gas basin with an extraordinary endowment of publicly accessible data. It contains structural elements of varying age, expressed as folding, faulting, and fracturing, which provide a record of tectonic activity during basin evolution. Knowledge of the structural architecture of the basin is crucial to understand its tectonic evolution; it also provides essential input for a range of geoscientific studies, including hydrogeology, geomechanics, and seismic risk analysis. This study focuses on an area defined by the subsurface extent
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