INVESTIGATION OF STRUCTURAL FEATURES OF ASPHALTENES USED FOR CARBON MATERIALS SYNTHESIS BY ARC PLASMA TREATMENT
Available online 1 November 2024
This study presents analysis of asphaltenes isolated from two crude oils: naphthenic-aromatic biodegraded oil and paraffin-naphthenic oil, which have been used as precursors for carbon materials synthesis....
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The role of hydrocyclone and induced gas flotation technologies in offshore produced water deoiling advancements
Available online 28 October 2024
Produced water, a byproduct of oil and gas extraction, presents significant environmental challenges if not properly treated. This review focuses on advancements in two primary offshore deoiling technologies,...
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Optimization of fracturing parameters for horizontal wells in high-sulfur gas reservoirs considering the effect of sulfur deposition
Available online 23 October 2024
During the development of high-sulfur gas reservoirs, the precipitation and deposition of elemental sulfur can lead to a reduction in reservoir porosity and permeability. Previous studies focus on the...
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Use of graphs to assess well safety in drilling projects and during operations by identification of available barrier elements and consolidation of barrier envelopes
September 2024
Two independent barrier envelopes are the usual requirement used in most well operations to avoid catastrophic accidents. These are classified as primary – concerning preventing the occurrence of a...
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Research on slim-hole drilling technology for shale gas geological survey in China
September 2024
Over the last 10 years, the China Geological Survey has deployed 137 slim-hole shale gas geological exploration wells for coring entire wellbores. These wells are primarily located in new blocks and...
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Experimental study of cryogenic treatment of Karaganda coal samples
September 2024
Karaganda Coal Basin bears the largest undeveloped reserve of coalbed methane (CBM) in Kazakhstan, which lacks water resources for implementing large-volume hydraulic fracturing. Cryogenic fracturing...
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Sedimentary microfacies of Member 5 of Xujiahe Formation in the Dongfengchang area, Sichuan Basin
September 2024
Member 5 of the Upper Triassic Xujiahe Formation (T3X5) in central Sichuan Basin has made a breakthrough in exploration recently. However, this new stratum has not been investigated sufficiently with...
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Petrophysical insights into pore structure in complex carbonate reservoirs using NMR data
September 2024
The study delves into pore structure attributes within the complex Eocene carbonate of an Indian offshore field, encompassing pore throat, radius and their characteristics. Nuclear Magnetic Resonance...
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Harnessing deep transient testing for reservoir characterization and CO2 emission reduction in challenging geological settings
September 2024
This paper provides a comprehensive overview of Deep Transient Testing (DTT), a cutting-edge technique for reservoir characterization that has revolutionized the oil and gas industry. The main aim of...
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Fast production and water-breakthrough analysis methods demonstrated using Volve Field data
September 2024
When producing from conventional fields, the well rates are primarily constrained by the production-system in the early years of the field-life, while later in the field-life the production rates are...
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Research on physical explosion crater model of high-pressure natural gas pipeline
September 2024
In this study, Hypermesh and LS-DYNA numerical simulation software are used to build a multi domain coupling model of natural gas pipeline, including soil, pipeline, TNT explosive and air domain, and...
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Applicability of deep neural networks for lithofacies classification from conventional well logs: An integrated approach
September 2024
Parametric understanding for specifying formation characteristics can be perceived through conventional approaches. Significantly, attributes of reservoir lithology are practiced for hydrocarbon exploration....
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Enhancing production monitoring: A back allocation methodology to estimate well flow rates and assist well test scheduling
September 2024
Production flow rates are crucial to make operational decisions, monitor, manage, and optimize oil and gas fields. Flow rates also have a financial importance to correctly allocate production to fiscal...
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Reliability of permanent downhole systems: Minimum sample and quality index
September 2024
Permanent downhole monitoring systems are responsible for measuring pressure and temperature time series and enable uninterrupted reservoir characterization during the oil field production period, playing...
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Empirical study of magnetohydrodynamic effect on fluid flow in clayey porous media
September 2024
Enhancing oil recovery from clayey reservoirs is a significant challenge in petroleum industry due to complex interactions between fluids and rock surfaces, particularly clay swelling. This study presents...
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Influence of mantle plume on continental rift evolution: A case study of the East African rift system
September 2024
Mantle plume is an essential component of the mantle convection system, and its influence on the geodynamics of continental rifts is of great significance for understanding the crust–mantle interaction....
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Investigation of a solid particle deposition velocity in drag reducing fluids with salinity
September 2024
Optimal and cost-effective drilling operations in extended-reach horizontal wells depend on efficient solid cuttings removal from the borehole. Several solids-suspended multiphase processes such as...
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Mitigating gas migration with eutectic bismuth alloy plugs
Available online 25 September 2024
Gas migration is an important concern to address in oil wells, especially in those that are to be abandoned. Stopping a gas leakage is not a simple task, and this can be particularly detrimental when...
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Comparative organic geochemistry of shale deposits of northern Appalachian Basin
Available online 23 September 2024
The organic-rich black shales in the Appalachian basin are a vital producer of natural gas. In this study, we present new multiproxy geochemical data from the Ordovician and Devonian black shales in...
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Combined mechanistic and machine learning method for construction of oil reservoir permeability map consistent with well test measurements
Available online 12 September 2024
We introduce a novel method for estimating the spatial distribution of absolute permeability in oil reservoirs, consistent with well logging and well test measurements. The primary objective is to create...
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CO2 injection for enhanced oil recovery: Analyzing the effect of injection rate and bottom hole pressure
Available online 30 August 2024
The goal of net-zero carbon emissions has led to widespread interest in lowering carbon dioxide (CO2) emissions. At the same time, the oil and gas industry seeks to enhance oil recovery (EOR) techniques...
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Nanoparticles stabilized foam fluid for hydraulic fracturing application of unconventional gas reservoirs: A review of the properties, progress and future prospects
Available online 28 August 2024
Nanoparticles stabilized foam fracturing fluid is an emerging technology in the field of hydraulic fracturing for the unconventional reservoirs. Hydraulic fracturing, commonly known as fracking, is...
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Production optimization of heavy oil recovery utilizing Mo-Ni based liquid catalysts: A simulation approach
Available online 28 August 2024
In recent years, the demand for heavy oil has increased due to its abundant availability and low cost. However, the extraction of heavy oil poses a significant challenge due to its high viscosity and...
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Leakage monitoring of carbon dioxide injection well string using distributed optical fiber sensor
Available online 26 August 2024
Whether the oil and gas fields in the Carbon Capture, Utilization, and Storage (CCUS) project use underground storage or energy supplementation to enhance oil recovery, they must be injected or monitored...
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Determining the geomechanical units using rock physics methods
Available online 15 August 2024
The stability of the drilled wellbores in carbonate formations is of great importance. This paper is a new approach to determine the elastic properties of the wellbore based on rock physics methods...
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