Experimental study on the sandstone abrasiveness via mineral composition and microstructure analysis
Available online 11 May 2023
Rock abrasiveness is an important factor affecting the tool’s lifetime and efficiency in breaking a rock. Characterizing rock abrasiveness helps in the design, optimization, and mean-life prediction...
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Axial-torsional nonlinear vibrations of bottom hole assembly in the air drilling technology
Available online 10 May 2023
The safety and efficiency of drilling engineering are greatly impeded by destructive vibrations of drill string in air drilling, such as stick-slip, bit-bounce and their coupled vibrations. To avoid...
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New design method of unequal taper thread (UTT) pairs and its application in API NC38 thread improvement
Available online 24 April 2023
API standard threads are the most commonly used thread configurations for drill pipe joints in the petroleum industry. Recently with the increasing application of horizontal wells and extended-reach...
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Auto-tuning PVT data using multi-objective optimization: Application of NSGA-II algorithm
Available online 20 April 2023
Reservoir simulation is known as perhaps the most widely used, accurate, and reliable method for field development in the petroleum industry. An integral part of a reliable reservoir simulation process...
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A new mixed type crack propagation criterion in shale reservoirs
Available online 19 April 2023
Hydraulic fracturing is a mainstream technology for unconventional oil and gas reservoirs development all over the world. How to use this technology to achieve high-level oil and gas resource extraction...
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Comparison of lattice and pseudo 3D numerical simulation of tip screen out operation
Available online 14 April 2023
Hydraulic fracturing (HF) is a commonly used technique to stimulate low permeability formations such as shale plays and tight formations. However, this method of well stimulation has also been used...
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The rock cutting simulation of heterogeneous granite using FDEM method
Available online 13 April 2023
Many advanced rock breaking methods are emerged form improving the ROP in deep formation drilling in recent years, such as electric pulse rock breaking, ultrasonic rock breaking and hydraulic rock breaking....
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Asphaltene onset pressure measurement and calculation techniques: A review
Available online 7 April 2023
Asphaltene precipitation can result in several production, operational, and transportation problems during oil recovery. If asphaltene precipitates and deposits, it can reduce reservoir permeability,...
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An adaptive neuro-fuzzy inference system white-box model for real-time multiphase flowing bottom-hole pressure prediction in wellbores
Available online 6 April 2023
The majority of published empirical correlations and mechanistic models are unable to provide accurate flowing bottom-hole pressure (FBHP) predictions when real-time field well data are used. This is...
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Development and performance evaluation of a high temperature resistant, internal rigid, and external flexible plugging agent for water-based drilling fluids
March 2023
During the drilling process for oil and gas production, a larger number of drilling fluids invade the formation, causing severe formation damage and wellbore collapsing, which seriously hinders the...
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Investigation of replacing tracer flooding analysis by capacitance resistance model to estimate interwell connectivity
March 2023
Interwell connectivity is an essential parameter for managing waterflooding operations in a field. Analysis of the tracer injection operation is a well-known approach to studying injected fluids distribution...
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Improvement of reservoir quality of ultra-deep tight sandstones by tectonism and fluid: A case study of Keshen gas field in Tarim Basin, western China
March 2023
The Keshen gas field is one of the most important natural gas supply sources in the Tarim basin, western China. The main gas producing interval there is the Lower Cretaceous Bashijiqike Formation(K1bs),...
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Production optimization under waterflooding with long short-term memory and metaheuristic algorithm
March 2023
In petroleum domain, optimizing hydrocarbon production is essential because it does not only ensure the economic prospects of the petroleum companies, but also fulfills the increasing global demand...
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Super gas wet and gas wet rock surface: State of the art evaluation through contact angle analysis
March 2023
Recently, super gas wet and gas wet surfaces have been extensively attended in petroleum industry, as supported by the increasing number of publications in the last decade related to wettability alteration...
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Prediction of permeability from well logs using a new hybrid machine learning algorithm
March 2023
Permeability is a measure of fluid transmissibility in the rock and is a crucial concept in the evaluation of formations and the production of hydrocarbon from the reservoirs. Various techniques such...
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Petroleum system analysis-conjoined 3D-static reservoir modeling in a 3-way and 4-way dip closure setting: Insights into petroleum geology of fluvio-marine deposits at BED-2 Field (Western Desert, Egypt)
March 2023
Imperfect determination of petroleum system processes coincidence, entrapment and charge timing, along with reservoir heterogeneity can considerably cause high risks throughout exploration and development...
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Comparative study of natural chemical for enhanced oil recovery: Focus on extraction and adsorption at quartz sand surface
March 2023
In chemical enhanced oil recovery (CEOR), it is very important to utilize the excessive usage of chemicals. A great opportunity lies in adopting natural surfactants, since it is cheaper, ecosystem friendly,...
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Experimental study on sand production and coupling response of silty hydrate reservoir with different contents of fine clay during depressurization
March 2023
To further understand the characteristics of clay and sand production (hereafter collectively referred to as sand production) and to provide optimization designs of sand control schemes are critical...
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Risk assessment of oil and gas pipelines hot work based on AHP-FCE
March 2023
A new quantitative risk assessment method for hot work is proposed based on the analytic hierarchy process (AHP) and fuzzy comprehensive evaluation (FCE). It can help pipeline companies realize the...
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Anti-drilling ability of Ziliujing conglomerate formation in Western Sichuan Basin of China
March 2023
The conglomerate rock is usually featured by strong heterogeneity, high abrasiveness, and poor drillability due to its complex composition and texture, which brought a huge challenge for drilling efficiency....
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Sealing performance and mechanical response of mud pump piston
March 2023
In order to explore the effect of piston cup structure on its sealing characteristics and mechanical properties, a numerical simulation model of the piston cup in the BW-160 mud pump was established....
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Flow characteristic of polymer solutions in porous media: Influence of the molecular weight and concentration
Available online 31 March 2023
The polymer solution flow in porous media is a central research topic related to hydraulic fracturing measures, formation damage and fracture propagation. Influenced by molecular weights and concentrations,...
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Effect of alumina and silica nanocomposite based on polyacrylamide on light and heavy oil recovery in presence of formation water using micromodel
Available online 15 March 2023
Increasing world request for energy has made oil extraction from reservoirs more desirable. Many novel EOR methods have been proposed and utilized for this purpose. Using nanocomposites in chemical...
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Novel phase field model of hydraulic fracture propagation in poroelastic media and numerical investigation of interaction between hydraulic fracture and natural fracture
Available online 7 March 2023
A novel numerical model is established to study the hydraulic fracture extend in poroelastic media with natural fractures based on the phase field method. In this new model, the poroelasticity parameter...
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Optimizing sampling frequency of surface and downhole measurements for efficient stick-slip vibration detection
Available online 28 February 2023
Drilling vibrations significantly impact drilling operations with high costs due to early downhole equipment failure and loss of productive time. Stick-slip vibrations, a severe form of torsional vibrations,...
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