An experimental study of alcohol injection to mitigate water blockage in commingled layered reservoirs
December 2024
This study explores the effectiveness of alcohol injection as a stimulation treatment to mitigate water blockage in the vicinity of the wellbore. Over the years, water blockage has emerged as a recurring...
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Influence of triton-assisted coconut shell derived graphene nanoplatelets in water-based drilling fluid lubricity and shale inhibition application
December 2024
Insufficient hole cleaning, cutting suspension, clay swelling, and filtrate invasion of the formation might result from inadequate drilling mud properties. For effective drilling and wellbore stability,...
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A review on oilfield produced water and its treatment technologies
December 2024
Owing to the soaring urge to meet the demand for oil and gas on different frontiers, its exploration all over the world is of paramount importance. Exploration and production of oil calls for handling...
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Foam drainage modeling of vertical foam column and validation with experimental results
December 2024
The understanding of the mechanisms behind foam generation and the structure of foam itself form the basis of foam-related experiments for its application in Enhanced Oil Recovery and overcoming gas...
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Chemometric analysis on concentrations and ratios of terpanes and steranes and implications for oils from the cratonic region of the Tarim Basin, NW China
December 2024
More than 2 × 109 tonnes of proved oils have been found in the cratonic region of the Tarim Basin. The source rocks for these oils remain unresolved although the source rocks are marine facies within...
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Sedimentary characteristics and geological significance of a mixed-process delta for petroleum exploration in the Zhuhai formation of the Baiyun Depression, Pearl River Mouth Basin, China
December 2024
The Zhuhai Formation in the Baiyun Depression of the Pearl River Mouth Basin in the northern South China Sea is a marine delta influenced by multiple hydrodynamic forces, including rivers, waves, and...
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Machine learning classification algorithm screening for the main controlling factors of heavy oil CO2 huff and puff
December 2024
CO2 huff and puff technology can enhance the recovery of heavy oil in high-water-cut stages. However, the effectiveness of this method varies significantly under different geological and fluid conditions,...
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Laser drilling through Hashma sandstone
December 2024
The application of laser in the drilling and perforation of oil wells can achieve great benefits such as reduced drilling costs and time with a higher rate of penetration (ROP) and elimination of casing...
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Investigation of petrophysical properties of synthetic carbonate plugs: Adding a novel 3D printing approach to control pore networks
December 2024
The physical and chemical properties of rocks play a crucial role in understanding fluid-solid flow behavior at the pore level. Thus, studying pore space characteristics is important in evaluating and...
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Recent developments, challenges, and prospects of carbon dots (CDs) for fluid flow investigation in porous media
December 2024
Carbon nanostructures exhibit unique physicochemical properties and play a significant role in modern and advanced technologies. Carbon dots (CDs) are a subset of carbon-based particles less than 20 nm...
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Case studies and operation features of transient multiphase flow in low-flow wells with multistage fracturing and extended horizontal wellbore operated with ESP in PSA mode
December 2024
The article is dedicated to the analysis and modeling of the operation modes of low-flow wells with extended horizontal wellbore (HW) and multi-stage hydraulic fracturing (MHF) during artificial lift...
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Experimental investigation of the impact of soybean oil-derived surfactant as a surface-active agent during gas well deliquification
December 2024
The inability of the gas rate to overcome the gas critical (minimum) flow rate leads to liquid loading in a gas well. To avoid premature well shut-in, the injection of surfactants is one of the standard...
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The discrete-imitation modeling concept of the “sucker-rod pump-well-reservoir” system and the optimization of the pumping process
December 2024
A new approach to dynamic modeling based on a discrete-imitation concept has been developed. The fundamentals, including terms and principles of the concept, have been explained. The presented concept...
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Reservoir identification of marine facies carbonate shoals in the Middle Permian in the Sichuan Basin
December 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...
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Innovative Treatment of Toxic Oily Petroleum Wastewater with Magnetic Sludge Under UVA Light
Available online 28 November 2024
The primary objective of the present study is to address the critical issue of managing the large volumes of toxic oil sludge and oil waste generated in various industrial processes. This environmental...
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A 3D printing approach to microfluidic devices for enhanced oil recovery research: An updated perspective
Available online 26 November 2024
Reservoir simulation uses numerical models to study how reservoir properties impact oil recovery. However, numerical modelling is insufficient and is often paired with physical simulation, where physical...
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Integrated geological study for reservoir modeling and characterization of the Shurijeh gas bearing sandstones in one of the Northeast Iran gas fields
Available online 22 November 2024
The sandstones deposited in the sequence of Shurijeh Formation comprise a giant gas reservoir in the Northeast of Iran. Five primary facies (petrofacies) were identified in the deposits of Shurijeh...
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Hydrocarbon generation potential of South Geisum Oilfield, Gulf of Suez, Egypt: Source rock evaluation and basin modeling for unconventional hydrocarbon prospects
Available online 15 November 2024
This study aims to define the hydrocarbon generation potential of source rocks by assessing various factors including quantity of organic matter, types of kerogen, thermal maturity, and source of organic...
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Early oil charging from Sinian shales in Ordovician carbonates of the Tabei Uplift, Tarim Basin: Evidence from biomarkers
Available online 13 November 2024
Despite over 40 years of exploration focusing on the deep to ultra-deep Ordovician carbonates as major hydrocarbon targets in the Tarim Basin, the identification of their source rocks remains elusive....
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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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