Assessment of the ecological state of haplic chernozem contaminated by oil, fuel oil and gasoline after remediation
March 2024
The intensive use of petroleum hydrocarbon products has made them priority environmental pollutants. When petroleum hydrocarbons enter the soil, a change in physical, chemical, and biological properties...
Share article
Study of asphaltene reaggregation in toluene/heptane mixture by dynamic and static light scattering
March 2024
This paper presents the study of the effect of multiple ultrasonic impacts on submicron asphaltene aggregates in a toluene/heptane solution, conducted with dynamic light scattering technique. The objects...
Share article
Characteristics and genesis of tuffaceous shale oil lithofacies:A case study of Lucaogou Formation in Santanghu Basin
March 2024
Lucaogou Formation in the Santanghu Basin is a special lacustrine fine-grained sedimentary deposits rich in volcanic debris and carbonate, with abundant shale oil resources. However, understanding of...
Share article
Optimization of gas lift system for well performance improvement in Asmari formation: A techno-economic perspective
March 2024
Well productivity in the Asmari carbonate formation of southwest Iran has decreased in recent years as a result of production issues. The production rate must be maintained below 1500 STB/day to prevent...
Share article
Modeling environmental sensitivity and risk assessment of PAHs in sediments along two marine coastal areas in Egypt
March 2024
Modeling the environmental sensitivity index (ESI) is vital in the planning and management processes, especially along the coastal areas. The main objectives of the study were to define the main sources...
Share article
Microfiltration, ultrafiltration and nanofiltration as a post-treatment of biological treatment process with references to oil field produced water of Moran oilfield of Assam
March 2024
The selection of an apt technology for the treatment of Oilfield Produced Water (OFPW) depends mainly on the quality of OFPW and methods of pre-and post-treatment processes. The most challenging part...
Share article
Modeling displacement flow inside a full-length casing string for well cementing
March 2024
While computer modeling of annular displacement efficiency is widely applied in cementing engineering, modeling the displacement flow inside a casing or drill string for cementing operations has received...
Share article
n-Alkane bound biomarker fingerprints from asphaltenes in the bitumens of Eastern Dahomey Basin, Nigeria: Source and genetic implications
March 2024
The asphaltene fractions of the bitumens of Eastern Dahomey Basin in Nigeria, were analyzed by flash pyrolysis-gas chromatography (Py-GC) method in order to unravel its geochemical history and properties....
Share article
Voids size distribution in gelled waxy crude oil under dynamic and static cooling
March 2024
Waxy crude oil is known for its high wax contents that can potentially result in gelling following sufficient cooling of the transportation line in the subsea bed at offshore fields. The gelling over...
Share article
Employment of mud-pulse generator for improvement of efficiency of a wellbore producing in complex mining and geological conditions
March 2024
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...
Share article
Effects of synthesis parameters on the performance of crosslinked Co-polymers with clays for conformance control
March 2024
Conformance control or water shut-off is a technique used to improve oil recovery. During conformance control, polymers block high permeability water areas and redistribute water drive toward unswept...
Share article
A contrasting analysis of CO2 and N2 foam flood for enhanced oil recovery and geological storage of CO2
March 2024
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...
Share article
Diverting agents in the oil and gas industry: A comprehensive analysis of their origins, types, and applications
March 2024
During the life of a well, treatments are carried out to boost productivity by stimulating initially unproduced zones. These treatments include hydraulic fracturing, matrix acidization, and acid fracturing,...
Share article
High resolution sequence stratigraphy of the Mishrif Formation (Cenomanian-Early Turonian) at zubair oilfield (al-rafdhiah dome), southern Iraq
March 2024
The Mishrif Formation (Cenomanian -E Turonian) is one of the most important geological formations in the Middle East and Iraq because it contains enormous petroleum accumulations. It is considered to...
Share article
Developing a phenomenological model to simulate single and mixed scale formation during flow in porous media: Coupling a salt precipitation model with an ion transport equation under dynamic conditions
March 2024
Water flooding and pressure maintenance are recommended to improve oil recovery practices after low recovery of petroleum reservoirs occurs during primary production. Salt crystal formation is a frequent...
Share article
Reservoir identification of marine facies carbonate shoals in the Middle Permian in the Sichuan Basin
Available online 27 March 2024
Controlled by the base level change cycle, the carbonates exposed from the periodically shallowed water body at the top of the high-frequency sequence develops multiple sets of thin reservoirs. Such...
Share article
Reliability of permanent downhole systems: Minimum sample and quality index
Available online 26 March 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...
Share article
Research on slim-hole drilling technology for shale gas geological surveying in China
Available online 25 March 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...
Share article
Empirical study of magnetohydrodynamic effect on fluid flow in clayey porous media
Available online 25 March 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...
Share article
Enhancing production monitoring: A back allocation methodology to estimate Well flow rates and assist Well test scheduling
Available online 22 March 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...
Share article
Sedimentary microfacies of Member 5 of Xujiahe Formation in the Dongfengchang area, Sichuan Basin
Available online 21 March 2024
Member 5 of the Upper Triassic Xujiahe Formation (T3X5) in central Sichuan Basin has made a breakthrough in exploration recently. However, this new horizon has not been investigated sufficiently with...
Share article
Petrophysical insights into pore structure in complex carbonate reservoirs using NMR data
Available online 21 March 2024
The study delves into pore structure attributes within the complex Eocene-ages carbonate of an Indian offshore field, encompassing pore throat, radius and their characteristics. Nuclear Magnetic Resonance...
Share article
Research on physical explosion crater model of high-pressure natural gas pipeline
Available online 18 March 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...
Share article
Fast production and water-breakthrough analysis methods demonstrated using Volve Field data
Available online 8 March 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...
Share article
Use of graphs to assess well safety in drilling projects and during operations by identification of available barrier elements and consolidation of barrier envelopes
Available online 1 March 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...
Share article