Results 41 to 50 of about 68,928 (314)
The Phase Inversion Mechanism of the pH-Sensitive Reversible Invert Emulsion
Molecules, 2023 Reversible emulsification drilling fluids can achieve conversion between oil-based drilling fluids and water-based drilling fluids at different stages of drilling and completion, combining the advantages of both to achieve the desired drilling and ...
Fei Liu +3 more
doaj +1 more source
Advanced Engineering Materials, EarlyView.This study reports the fabrication of trabecular bioactive glass scaffolds (composition “1d”: 46.1SiO2‐28.7CaO‐8.8MgO‐6.2P2O5‐5.7CaF2‐4.5Na2O wt%) through vat photopolymerization and the relevant results from mechanical testing and in vivo implantation procedures in rabbit femora, showing great promise for bone tissue engineering applications.
Dilshat Tulyaganov +8 more
wiley +1 more source
MoleculesReversible emulsion drilling fluids can concentrate the advantages of water-based drilling fluids and oil-based drilling fluids. Most of the existing reversible emulsion drilling fluid systems are surfactant-based emulsifier systems, which have the ...
Fei Liu +3 more
doaj +1 more source
Can Ti‐Based MXenes Serve as Solid Lubricants for Brake Applications? A Tribological Study
Advanced Engineering Materials, EarlyView.This study explores the first implementation of Ti‐based MXenes materials in brake pad friction composite material. The resulting composite material exhibits a 48% reduction in the wear rate; alongside significant improvements are observed for thermal and mechanical properties.
Eslam Mahmoud +7 more
wiley +1 more source
Scientific ReportsThis study investigates the effect of coconut shell (CS) addition on the pyrolysis behavior of oil sludge (OS) through co-pyrolysis experiments using bottom sludge from an oil refinery in Sichuan Province, China.
Mao-Ren Wang +3 more
doaj +1 more source
Известия высших учебных заведений: Нефть и газ, 2022 Drilling and fastening of wells in hydrogen sulfide-containing highly permeable rocks is often accompanied by concomitant complications, such as absorptions of various intensities and differential sticking of the drilling tool, and with a decrease in ...
S. V. Kamenskikh
doaj +1 more source
Application of clayless drilling fluids under conditions of high reservoir pressures and temperatures [PDF]
, 2013 The paper considers the application clayless drilling fluids under conditions of great depths, high reservoir pressures and temperatures. It was determined that increasing the density of clayless drilling fluids by conventional weighting agents is ...
Boyko, A. H. +4 more
core
A review of biolubricants in drilling fluids: recent research, performance, and applications [PDF]
, 2015 Lubricant additives are added to drilling fluids to lower the drag and torque between the drill strings and rock formation. They impart lubricating properties into two moving surfaces contacts under extreme temperature and pressure conditions. Currently,
Abdul Rashid, Suraya +4 more
core +1 more source
Advanced Engineering Materials, EarlyView.High‐temperature interactions between low‐sulfur Al‐killed Mn–B steel and MgO–C refractories (0 and 50 wt% recyclates) are studied via finger immersion tests (1600 °C). Surface‐active elements influence infiltration. MgO/CaS layer forms, along with spinel and calcium silicate.
Matheus Roberto Bellé +5 more
wiley +1 more source
Quantum Emitters in Hexagonal Boron Nitride: Principles, Engineering and Applications
Advanced Functional Materials, EarlyView.Quantum emitters in hexagonal boron nitride have emerged as a promising candidate for quantum information science. This review examines the fundamentals of these quantum emitters, including their level structures, defect engineering, and their possible chemical structures.
Thi Ngoc Anh Mai +8 more
wiley +1 more source