Employment of mud-pulse generator for improvement of efficiency of a wellbore producing in complex mining and geological conditions
Available online 14 July 2023
In this study, the employment of mud-pulse generators to improve the efficiency of wellbores under complex mining and geological conditions is examined. A systemic analysis is made of the primary theoretical...
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A contrasting analysis of CO2 and N2 foam flood for enhanced oil recovery and geological storage of CO2
Available online 13 July 2023
Foam flooding using CO2 has emerged as a promising method for both enhanced oil recovery (EOR) and the storage of CO2 in geological reservoirs. This study conducts a thorough analysis of the behavior...
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Inhibition of asphaltene deposition by Al2O3 nanoparticles during CO2 injection
Available online 11 July 2023
Carbon dioxide flooding is of interest due to its high oil-sweep efficiency for enhanced oil recovery and contribution to the reduction of greenhouse gas emissions. However, when CO2 is injected into...
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Optimal performance of water-oil axial jet pump in an egyptian offshore oil field
Available online 11 July 2023
The jet pump is an artificial lift employed when the reservoir pressure declines and the well deviation increases. The use of computer well models for optimizing the oil well output has proven to be...
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Comparative studies on numerical sensitivity of different scenarios of enhanced oil recovery by water-alternating-gas (CO2) injection
Available online 7 July 2023
Enhanced oil recovery by CO2 injection technology (CO2-EOR) plays a crucial role in enhancing oil production and the permanent sequestration of anthropogenic CO2 in depleted oil reservoirs. However,...
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Thermal oil recovery factors from sandpacks of variable mineralogy
Available online 6 July 2023
Steam injection is commonly used for production of viscous crude oil. Reservoir rock often contains clay minerals. Reactive nature of steam and clay minerals may lead to formation damage. This work...
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Numerical analysis and experimental research on detection of welding defects in pipelines based on magnetic flux leakage
Available online 5 July 2023
Regular inspection of long-distance oil and gas pipelines plays an important role in ensuring the safe transportation of oil and gas, and inspection on welding defects is an important part of the inspection...
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A synergistic effect of zinc oxide nanoparticles and polyethylene butene improving the rheology of waxy crude oil
June 2023
This research examined the use of 75 nm zinc oxide nanoparticles (nano ZnO) and polyethylene butene (PEB) to decrease the viscosity of Nigerian waxy crude oil. The rheology of the crude oil was assessed...
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Review of application of artificial intelligence techniques in petroleum operations
June 2023
In the last few years, the use of artificial intelligence (AI) and machine learning (ML) techniques have received considerable notice as trending technologies in the petroleum industry. The utilization...
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Controlling factors for oil production in continental shales: A case study of Cretaceous Qingshankou Formation in Songliao Basin
June 2023
Continental shale oil is widely distributed in the Cretaceous Qingshankou Formation of the Songliao Basin in Northeast China. In the Qijia-Gulong sag and the Changling sag in the Songliao Basin, breakthroughs...
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The ternary combination of polymer gel, microsphere and surfactant for conformance control and oil displacement to improve oil recovery in strong heterogeneous reservoir
June 2023
The reservoir heterogeneity of Suizhong 36-1 oilfield is very obvious, the average permeability reaches 2000mD. Long-term water injection development leads to serious water channeling in high permeability...
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Digital twin in hydrocarbon industry
June 2023
The hydrocarbon industry is considering a range of digital technologies to improve productivity, efficiency, and safety of their operations while minimizing capital and operating costs, health and environmental...
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Studying the direction of hydraulic fracture in carbonate reservoirs: Using machine learning to determine reservoir pressure
June 2023
Hydraulic fracturing (HF) is an effective way to intensify oil production, which is currently widely used in various conditions, including complex carbonate reservoirs. In the conditions of the field...
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Effects of nanoparticles, polymer and accelerator concentrations, and salinity on gelation behavior of polymer gel systems for water shut-off jobs in oil reservoirs
June 2023
Excess water production is one of the crucial complications in the oil industry, leading to a rapid decline in oil production. To overcome this problem, different polymer gels are used to block the...
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An advanced workflow to compress the uncertainties of stochastic distribution of Bahariya reservoir properties using 3D static modeling: An example from Heba Oil Fields, Western Desert, Egypt
June 2023
The main objective of this paper is to construct a static model that compress the uncertainties of the stochastic distribution of the reservoir properties of the Bahariya Formation in Heba field, at...
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Determination of total organic carbon content using Passey's method in coals of the central Kalahari Karoo Basin, Botswana
June 2023
This paper focuses on determining total organic carbon (TOC) from boreholes in the Kalahari Basin, Botswana, using Passey's method. The Kalahari Karoo basin is one of several basins in southern Africa...
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Performance evaluation of nanosilica derived from agro-waste as lost circulation agent in water-based mud
June 2023
Seepage or loss of the mix-water from the drilling muds into the porous and permeable formations is a common problem during drilling operation. The drilling mud design requires a good knowledge of sealing...
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Microfacies analysis and depositional environment of the Upper Devonian Dankovo-Lebedyansky sediments, Tatarstan, Volga-Ural Basin, Russia
June 2023
The Upper Devonian, Middle Famennian Dankovo-Lebedyansky sediments in Southeast Tatarstan territory are a carbonate sequence composed of limestone and dolomite, which is important hydrocarbon reservoir...
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