Results 21 to 30 of about 4,536 (259)

Application of Vacuum Adsorption Equipment in Treatment of Oil-based Drilling Fluid

open access: yesShiyou jixie, 2022
In order to reduce the oil-based solid drilling waste generated in the process of treatment while drilling and save the subsequent treatment cost,a vacuum adsorption equipment composed of adsorption vacuum chamber,micro-vibration device and screen ...
Chen Jinrui   +5 more
doaj  

A Highly Inhibitive Vegetable Oil-Based Drilling Fluid

open access: yesZuanjingye yu wanjingye
This study aims at finding a more environmentally friendly and efficient oil-based drilling fluid to reduce drilling costs, to minimize the negative effects of the drilling fluid on the environment, to enhance the safety and quality of drilling operation,
Hua XIAO   +6 more
doaj   +1 more source

Synthesis and Performance Evaluation of a New Deoiling Agent for Treatment of Waste Oil-Based Drilling Fluids

open access: yesThe Scientific World Journal, 2014
Oil-based drilling fluid is used more and more in the field of oil and gas exploration. However, because of unrecyclable treating agent and hard treatment conditions, the traditional treating technologies of waste oil-based drilling fluid have some ...
Pingting Liu   +4 more
doaj   +1 more source

Mechanical properties and damage constitutive model of mud shale under different drilling fluids immersion

open access: yesMeitan kexue jishu, 2023
In the process of shale oil and gas drilling, the long-term erosion and weakening of drilling fluids promotes the extension and expansion of micro-fractures on mud shale, which leads to the reduction of rock mass strength and seriously threatens the ...
Diandong GENG   +4 more
doaj   +1 more source

Research on and Application of Near-Oil-Based Drilling Fluid System

open access: yesZuanjingye yu wanjingye
In recent years many studies have been conducted on near-oil-based drilling fluids to overcome the problems encountered in using oil-based drilling fluids such as high formulation cost and difficulties in addressing the oily cutting treatment problem ...
Xiqiang SI, Zhonghua WANG
doaj   +1 more source

Wellbore Circulating Temperature Field Model for Ultra-High Density Oil-Based Drilling Fluid

open access: yesShiyou jixie, 2021
The existing bottomhole pressure models assume that the circulation temperature of drilling fluid is the formation temperature, which always leads to large errors in calculations.
Ruan Biao   +5 more
doaj  

Electrospun Wood‐Derived Biopolymers as Electrodes in Electrochemical Energy Storage Technologies

open access: yesAdvanced Functional Materials, EarlyView.
Electrospinning transforms wood‐derived cellulose and lignin into architecturally defined, binder‐free carbon electrodes with tuneable porosity and functionality. This review shows how fibre design enables decoupled charge and mass transport, enhancing performance across battery systems, while identifying key challenges in spinnability, scalability ...
Michael W. Thielke   +3 more
wiley   +1 more source

An Electrowetting Pump

open access: yesAdvanced Functional Materials, EarlyView.
A tubular electrowetting pump moves alternating droplets through a millimeter‐wide channel in discrete, reversible steps, functioning as a fluidic stepper motor. With no moving parts and electrodes insulated from the liquid, it delivers silent, accurate flow. Flexibility allows the pump to be woven directly into textiles for wearable, medical, and soft‐
Robert Hennig, Herbert Shea
wiley   +1 more source

Multidimensional Cellular Micro‐Compartments to Model Invasive Lobular Carcinoma Dormancy

open access: yesAdvanced Healthcare Materials, EarlyView.
Invasive lobular carcinoma (ILC) is an understudied subtype of breast cancer that is susceptible to late recurrences. In this study, micro‐compartmentalization techniques spanning multiple dimensions, including 2D, pseudo‐3D, and 3D, are integrated to uncover the mechanisms underlying ILC dormancy, revealing the central role of p27Kip1.
Xilal Y. Rima   +15 more
wiley   +1 more source

Nanoparticle-based drilling fluids as promising solutions to enhance drilling performance in Egyptian oil and gas fields [PDF]

open access: yesInternational Journal of Industry and Sustainable Development, 2020
Over the years, the discovery of petroleum in various regions of the world has led to the development of different techniques and equipment to enhance and optimize the drilling and production operations in this vital industry.
Abdel Sattar Dahab   +2 more
doaj   +1 more source

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