Rezultaty - reservoir simulation
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201
Adsorption and Squeeze Performance of PAMAM-PGlu Inhibitors for Silicate Scale Mitigation Due to ASP Flooding
Wydane 2024-12-01“…Both experimental and simulation results showed good fit in terms of adsorption and squeeze lifetime. …”Silica and silicate scale deposition in the production systems resulted in reduced production rates and equipment damages. Chemical scale inhibition using squeeze method is advantageous for petroleum reservoir conditions. This paper aims to assess the adsorption and squeeze performance of develo...
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202
Enhanced Oil and Gas Production Forecasting Through Stacked generalization Ensemble Learning Technique
Wydane 2025-06-01“…Techniques like “ Decline Curve Analysis (DCA) and Numerical Reservoir Simulation (NRS) ” have been used in the past, but they have drawbacks such reliance on static models and time consumption. …”Planning a strategy throughout the oil and gas sector depends on production forecasting. Precise projections aid in estimating future output rates, streamlining processes, and effectively allocating resources. Techniques like “ Decline Curve Analysis (DCA) and Numerical Reservoir Simulation (NRS) ”...
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203
A Group Search Algorithm for Optimal Scheduling of Cascade Hydropower Stations
Wydane 2025-06-01“…These improvements balanced global search and local search, preventing premature convergence while accelerating the convergence speed. Simulation results for four cascade hydropower plants in a region in southwest China show that the difference between the results of CHIO and LCHIO and the dynamic programming POA-DDDP is less than 1%, and the variation coefficients are 0.13% and 0.11%, which verify the rationality and effectiveness of CHIO to solve the cascade reservoir group scheduling problem and the improvement effect of LCHIO algorithm on CHIO. …”The coronavirus herd immunity optimizer (CHIO) algorithm was introduced to address the optimal scheduling problem of cascade hydropower plants, and an improved algorithm called LCHIO was proposed. The CHIO algorithm was enhanced by adopting two strategies: the Latin hypercube strategy for generating...
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204
Digital core reconstruction of tight carbonate rocks based on SliceGAN
Wydane 2025-06-01“…Precisely characterizing the rock internal structures is crucial for reservoir exploration and development. However, it is difficult to accurately characterize the pore structure of rock using traditional imaging methods to meet the simulation requirements. …”The pore structures of the Majiagou Formation in the Ordos Basin are complex, featuring micro- and nano-scale intra-crystalline and inter-crystalline pores that significantly impact hydrocarbon storage and flow. Precisely characterizing the rock internal structures is crucial for reservoir explorati...
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205
RESEARCH THE PROCESS OF DISPLACING HEAVY OIL BY HYDROCARBON SOLVENTS FROM A MODEL OF FRACTURED CARBONATE CORE
Wydane 2022-07-01“…Introduction: due to the low rate of solvents reaction with heavy oil at the reservoir temperature, solvent injection must be combined with thermal fluids. …”Introduction: due to the low rate of solvents reaction with heavy oil at the reservoir temperature, solvent injection must be combined with thermal fluids. Solvent and thermal fluids injection order depends on reservoir geological and physical properties. The mechanism of heavy oil intensification f...
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206
Two stages power generation test of the hot dry rock exploration and production demonstration project in the Gonghe Basin, northeastern Qinghai-Tibet plateau, China
Wydane 2024-07-01“…Many HDR projects worldwide have accumulated valuable experience in efficient drilling and completion, reservoir construction, and fracture simulation. In 2019, China Geological Survey (CGS) initiated a demonstration project of HDR exploration and production in the Gonghe Basin, aiming to overcome the setbacks faced by HDR projects. …”ABSTRACT: The Hot Dry Rock (HDR) is considered as a clean and renewable energy, poised to significantly contribute to the global energy decarbonization agenda. Many HDR projects worldwide have accumulated valuable experience in efficient drilling and completion, reservoir construction, and fracture...
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207
Revealing the main toxic factor and mechanisms of shale gas flowback water on the growth of algae Chlorella pyrenoidosa
Wydane 2025-08-01Dokumenty pełnotekstoweFlowback Water (FBW) have been proved to show toxicity towards some aquatic organisms, but the toxic effect across different flowback periods and underlying mechanism remained unclear due to their complex and changeable constitutes. In this study, the toxicity of FBW, the respective activated carbon...
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208
On the Method for Solving the Problem of Ice Cover Deformation under an Arbitrary Moving Load
Wydane 2024-06-01“…The second equation simulates the behavior of fluid in a state of potential flow, and it is Laplace's equation. …”Introduction. The development of the polar areas of the World Ocean and the need to solve various problems associated with a large number of freezing inland water bodies issue new challenges for science. These challenges include the problem of studying the behavior of ice cover when exposed to vario...
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209
Experimental and Numerical Flow Assessment of the Main and Additional Tract of Prototype Differential Brake Valve
Wydane 2025-07-01“…The second research method—experimental tests on the author’s bench using the reservoir method—consisted of identifying throughputs based on pressure waveforms in the measurement tanks. …”The throughput of the pneumatic brake valve is a key parameter in ensuring fast and safe vehicle braking. The instantaneous value of this parameter determines the short response time of the system to an operator’s force. The scientific objective of this paper was to determine the throughput of brake...
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210
Physicochemical Features of Hydrocarbon Fluid Flow in Shale Rocks: Review on Adsorption and Diffusion
Wydane 2024-05-01“…Key challenges and limitations in studying complex reservoir systems include limited experimental data due to a shortage of core samples and the inapplicability of conventional laboratory methods for characterizing gas flow due to properties of these reservoirs (low porosity and permeability, high amount of organic matter including kerogen).Investigating the effects of ultra-low interfacial tension, sorption, and diffusion on fluid flow under simulated reservoir conditions is crucial. …”Reliable data on the relative permeability of low-permeability organic-rich shale reservoirs are essential for optimizing the development and operation of these fields by enhancing hydrodynamic models. Key challenges and limitations in studying complex reservoir systems include limited experimental...
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211
Kinetics of Organic Matter thermal transformation in source rocks: Overview of Methods and Experimental results
Wydane 2024-12-01“…The results are required for petroleum generation prediction and assessment of reservoir hydrocarbons quantity and quality using basin modelling. …”The paper is devoted to kinetic studies of thermal decomposition of organic matter in organic-rich rocks. Kinetic studies are the consisting part of geochemical investigations of source rocks and petroleum systems. The results are required for petroleum generation prediction and assessment of reserv...
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212
Influencing mechanisms of solid-phase asphaltene precipitation in crude oil of Yongjin Oil Field, Junggar Basin
Wydane 2025-07-01“…Solid-phase asphaltene precipitation and deposition, commonly occurring during reservoir development, lead to reservoir damage and production well blockage, seriously affecting crude oil exploitation and reducing economic efficiency. …”Solid-phase asphaltene precipitation and deposition, commonly occurring during reservoir development, lead to reservoir damage and production well blockage, seriously affecting crude oil exploitation and reducing economic efficiency. Solid-phase asphaltene precipitation is affected by the properties...
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213
Water sampling process for ecological monitoring of water bodies: Modeling and calculation of parameters
Wydane 2025-01-01“…Ultimately, the analytical model developed for the first time provides an opportunity for engineers and researchers in the field of environmental monitoring of a reservoir to create similar equipment, depending on other production tasks.…”The process of water sampling, carried out for the purpose of environmental monitoring of various water bodies, is labor-intensive and quite expensive. Therefore, it is necessary not only to ensure the objectivity of water sampling at various depths of water bodies, but also to have the ability to p...
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214
Investigation of a Vacuum Ejector Used in a Dynamic Function Vehicle Tire Air Control Valve
Wydane 2025-07-01“…While the CTIS includes a compressed air reservoir and a pressure pump for reservoir filling, it lacks a dedicated vacuum pump to create negative pressure. …”A critical component of a central tyre inflation system (CTIS) is the tyre valve. When positive pressure air is directed to the valve, it allows air to enter the tyre, increasing the tyre’s internal pressure. Conversely, when vacuum pressure is applied, the tyre pressure decreases. Consequently, the...
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215
Backfill-strip mining and CO2 mineralization sequestration in coal mine goaves: A synergetic method and its key technologies
Wydane 2025-06-01“…Additionally, key technologies for the synergetic method were proposed.Results and ConclusionsGoaves formed under the caving and room-and-pillar mining are characterized by poor reservoir and cap rock conditions for CO2 storage, which tend to pose high leakage risks. …”ObjectiveCoals serve as both the cornerstone of China’s energy security and important industrial raw materials. However, their mining and utilization tend to cause ecological and environmental problems such as CO2 emissions, the generation of solid wastes, and land subsidence. This necessitates refo...
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216
Assessment of the Impact of Climate Change on Dam Hydrological Safety by Using a Stochastic Rainfall Generator
Wydane 2025-06-01“…Annual maximum flood hydrographs are selected and considered as inflows to the Eugui Reservoir. The Volume Evaluation Method is applied to simulate the operation of the Eugui Dam spillway gates, obtaining maximum water levels in the reservoir and outflow hydrographs. …”Dam breaks can lead to important economic and human losses. Design floods, which are useful to assess possible dam breaks, are usually estimated through statistical analysis of rainfall and streamflow observed data. However, such available samples are commonly limited and, consequently, high uncerta...
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217
Geochemical and hydrocarbon generation evolution characteristics of marine-continental transitional facies shale: a case study of the Lower Permian Shanxi Formation in the Daning-J...
Wydane 2025-07-01Dokumenty pełnotekstoweTo clarify the geochemical and hydrocarbon evolution characteristics of marine-continental transitional facies shale, the shale in the Lower Permian Shanxi Formation of the Daning-Jixian area in the eastern margin of the Ordos Basin was taken as the research object. By analyzing and determining tota...
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218
New interpretation technique for tracer well tests
Wydane 2024-01-01“…It is established that the process of formation of such fractures in the reservoir is still ongoing.…”Background. Tracer well tests were proposed in the last century as an approach for elaboration of detailed reservoir models. Such tests implied injecting weakly adsorbable tracers into an injection well followed by collection and analysis of samples in nearby production wells. The results were assum...
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219
Assessment of Sensitivity and Validity Hydrodynamic Model in Cisadane Using Delft3d Flow Model
Wydane 2024-03-01“…It is a part of the North Java Coastal Integrated Development Program project. A coastal reservoir development plan at the Cisadane River estuary is one of the outcomes. …”The National Capital Integrated Coastal Development (NCICD) program was prioritized as a disaster reduction technology within the annual target of BRIN in 2022. It is a part of the North Java Coastal Integrated Development Program project. A coastal reservoir development plan at the Cisadane River e...
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220
Innovative Application of the Ritz Method to Oil-Gas Seepage Problems: A Novel Variational Approach for Solving Underground Flow Equations
Wydane 2025-06-01“…State-of-the-art commercial simulators (e.g., Eclipse, CMG) predominantly employ finite difference schemes, which face persistent challenges in modeling strongly nonlinear seepage dynamics. …”State-of-the-art commercial simulators (e.g., Eclipse, CMG) predominantly employ finite difference schemes, which face persistent challenges in modeling strongly nonlinear seepage dynamics. This study explores the application of the Ritz method, grounded in variational theory, to solve underground o...
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