Buscar
Mostrando ítems 1-10 de 198
Uso de nanopartículas em fluidos de perfuração
(Universidade Federal do Rio Grande do NorteBrasilUFRNEngenharia de PetróleoDepartamento de Engenharia de Petróleo, 2022-02-16)
The world oil industry needs permanent research to modernize, with the aim of improving
well drilling performance. Therefore, it has been researching the importance of nanoparticles
together with fluids in the process ...
A brief history of scientific ocean drilling programsBreve história dos programas científicos
(Universidade Estadual de Campinas, 2013)
A close coupling study of the bending relaxation of H2O by collision with He
(American Institute of Physics Inc., 2021-04)
We present a close coupling study of the bending relaxation of H2O by collision with He, taking explicitly into account the bending-rotation coupling within the rigid-bender close-coupling method. A 4D potential energy ...
Identificação de fatores de risco em obras de HDD: uma revisão da literatura
(Universidade Federal do Rio Grande do NorteBrasilUFRNEngenharia Civil, 2021-04-08)
Horizontal Directional Drilling (HDD) is a tubing installation technology underground without the necessity for trenching. This technology is used in urban areas due to the reduced impact on traffic and activities around ...
Aplicação de fluidos de perfuração não-danificantes na indústria do petróleoApplication of non-damaging drilling fluids in the oil industry
(Universidade Federal do Rio Grande do NorteBrasilUFRNBacharelado em Engenharia de PetróleoEngenharia de Petróleo, 2022)
Investigating Maar Formation and the climate history of Southern Argentina–the Potrok Aike Maar Lake Sediment Archive Drilling Project (PASADO)
(Copernicus Publications, 2006-09)
Evidence is increasing that the Southern Ocean plays a key role in the global climate system. The southern hemisphere contains more than 90% of the world’s ice, and eighty-one percent of its total surface area is covered ...
Peculiaritiesblasting in undergroundof drilling and small-scale mines.
Artisanal and Small-scale Mining (ASM) is a prominent activity in the extractive industry: considering only gold, it produces about 20% of the world market supply. Despite this fact, ASM is generally associated with the ...