SUMMARY Use and interpretation of wireline lookahead VSP combined with LWD seismic while drilling and LWD sonic log for base of salt prediction, a case study offshore Brasil deep offshore Campos. It aimed to assist drilling decisions by obtaining a more accurate prediction of Base of Salt depth. Setting the 9-5/8" casing point was key from a drilling perspective.

A good turbine casing cooling design should control the thermal stress and maintain a reasonable tip clearance between blade casing. Since inlet temperature has been increased yearly, influence of radiation on become more significant. Therefore, heat transfer characteristics considering effect need to be precisely predicted. In this study, theoretical model is established for describing turbofa...

The antennas installed in mobile devices are small and low-profile compared to wavelength at the operating frequency. In general, horizontal elements short monopole have low radiation resistance. Low resistance requires matching circuit between 50 Ω feed line decreases efficiency. By using characteristic mode, excitation of ground plane improve has been investigated. This paper proposes structu...

Electrochemical machining (ECM) is a non-traditional technology that widely used in the manufacturing of key components aviation industry. The current efficiency defined as ratio observed amount dissolved metal to theoretical predicted from Faraday’s law. In ECM, curve relates dissolution rate anode material and density. Accurate measurement basis for shape prediction cathode tool design. Howev...

This article explores the heat and mass transfer behaviour of magnetohydrodynamic free convective flow past a permeable vertical rotating cone and a plate filled with gyrotactic microorganisms in the presence of nonlinear thermal radiation, thermo diffusion and diffusion thermo effects. We presented dual solutions for the flow over a rotating cone and a rotating flat plate cases. Similarity var...