Results 41 to 50 of about 136,396 (361)
An experimental drilling apparatus used for evaluating drilling risks related to natural gas hydrate
MethodsX, 2020 Some countries are trying to drill and exploit natural gas hydrate (NGH). However, the disturbance effects of drilling on the stability of NGH-bearing sediments are unclear.
Tian-Jia Huang +4 more
doaj +1 more source
SUBSTANTIATION OF MUD PREPARATION TECHNOLOGY [PDF]
, 2018 To study the advantages of hydrodynamic cavitation, to calculate the frequency of cavitation oscillations by the device parameters, to obtain a formula for determining the dispersion time of the material, and to study the flow of the drilling ...
KAMYSHATSKYI, Oleksandr +5 more
core
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
Zuanjingye yu wanjingyeFractured-vuggy carbonate reservoirs are difficult to stimulate because of the complex fracture and vug connection as well as the varied formation structures.
Xiaofan TANG +4 more
doaj +1 more source
Heliyon, 2020 An enhanced drill bit combining high pressure fluid jetting with a conventional rotary drilling system incorporating a tailored drilling fluid was designed to improve drilling performance in hard crystalline rock.
Timon Echt +2 more
doaj +1 more source
Power consumption of rock decomposition process during diamond core drilling using pulse flushing [PDF]
, 2018 Purpose. To study the impact of pulse flushing on the power consumption of rock decomposition during diamond core drilling. Methods. Theoretical analysis, processing of the obtained experimental data. Findings. The decrease in power consumption of rock
Dreus, A, Kozhevnykov, A
core +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
Balancing Hydraulic Fracturing’s Environmental and Economic Impacts: The Need for a Comprehensive Federal Baseline and the Provision of Local Rights [PDF]
, 2013 Reliable evaluation methods is needed to ensure that investments in energy conservation measures (ECMs) and the construction of new energy efficient buildings lives up to the promised and expected performance.
Garmezy, Adam
core +2 more sources
Formulation of High Temperature Gas-Kick Preventer and Its Mechanism of Blocking Gas Cut
Zuanjingye yu wanjingyeIn high temperature reservoir operations, oil/gas cut causes drilling accidents such as well kick and even well blowout. Conventional polymer gels, though can be used to prevent gas channeling from occurring, have poor high temperature resistance.
Zhen ZHANG +3 more
doaj +1 more source
Chemical Engineering Transactions, 2023 Drilling fluid performs a crucial function in petroleum drilling operations. This functional fluid improves the performance of the drilling process by controlling bottom hole pressure, wellbore stability, and cleaning the hole.
Nam Nguyen Hai Le +6 more
doaj +1 more source