Results 81 to 90 of about 118,861 (336)
Research and Application of Drilling Fluid Cooling System for Dry Hot Rock
EnergiesThe drilling fluid cooling system is a key technology for reducing wellbore temperatures, improving the working environment of downhole equipment, and ensuring safe and efficient drilling in high-temperature wells.
Kuan Li +4 more
doaj +1 more source
Systems Science & Control Engineering, 2019 Continuous-wave pulse generator plays an important role in generating high-quality pulse signals in measurement while drilling systems. However, the generator affects the quality of pressure wave signals due to erosion on the continuous wave generator ...
Zhidan Yan +7 more
doaj +1 more source
RHEOLOGICAL STUDY OF JATROPHA CURCAS OIL AS OIL BASED FLUID IN DRILLING OPERATION [PDF]
, 2011 The drilling fluid plays several essential functions in drilling wells. If the mud properties (physical, chemical and rheology properties) are incorrect, safety and economics may be severely compromised.
ABDUL RAHMAN, ROZITA BANU
core
Sonochemical Functionalization of Glass
Advanced Functional Materials, EarlyView.A new method for functionalizing glass using ultrasonication of aryl diazonium salts. Aryl radicals generated by ultrasounds react with glass, forming a stable, covalently bonded organic film. The functionalized glass adheres microorganisms such as microalgae, fungi, and bacteria, suggesting potential applications in enzyme production, filtration ...
Tiexin Li +13 more
wiley +1 more source
Predicting 2D Crystal Packing in Thin Films of Small Molecule Organic Materials
Advanced Functional Materials, EarlyView.A computational method is proposed for predicting the 2D molecular packing in crystalline thin films of flexible organic molecules. The approach employs a grid search for molecular arrangements, achieving accurate predictions of 2D packing motifs with strongly reduced computational costs.
Alexey O. Gudovannyy +6 more
wiley +1 more source
Applied Sciences, 2018 The study discusses the issue of introducing drilling fluid (bentonite) into the environment during the construction of linear underground investments, considering the example of the construction of the high-pressure gas pipeline, Czeszów— ...
Urszula Kwast-Kotlarek +2 more
doaj +1 more source
CFD study of thermal effect on Power-law fluid in rotating annular flow [PDF]
, 2015 Drilling in oil and gas industry is a crucial and precarious process. Inaccurate estimation or expectation of any of the parameters interfering in this process can lead to catastrophic results if not handled carefully and in proper timing.
Mahmoud Ali Shahin, Mahmoud Tarek
core
New Eco-Friendly Drilling Fluids Synthesis and Characterization: Experimental and Simulation Studies [PDF]
, 2023 Drilling fluids are an essential part of a safe and successful drilling operation. They offer several key functions such as transporting cuttings to the surface and controlling wellbore pressure.
Weber, Kyleen
core
MXene 3D/4D Printing: Ink Formulation and Electrochemical Energy Storage Applications
Advanced Functional Materials, EarlyView.A comprehensive study of MXene printing technique is presented, focusing on MXene ink formulation, surface chemistry, rheological characteristics, physical storage, and ink stability. Different printing techniques, such as 3D/4D printing, screen printing, inkjet printing, and continuous liquid interface production printing along with their applications
Shaista Nouseen, Martin Pumera
wiley +1 more source
A new type of whole oil-based drilling fluid
Petroleum Exploration and Development, 2014 To meet the demand of ultra-deep well drilling and shale gas well drilling, organic clay and a oil-based filtrate reducer were developed and a whole oil-based drilling fluid formula was optimized.
Jiancheng LI +5 more
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