Education and Didactics

1805 Submissions

[2] viXra:1805.0461 [pdf] submitted on 2018-05-25 06:53:38

Scheduling and Time Optimizing in Directional Biting Using Ant Algorithm

Authors: Alirezahamed
Comments: 9 Pages.

The process of biting operations is significantly important in upstream oil industry and can be considered as the most costly upstream activity. Speed optimizing and reducing the costs of biting has ever been one of the basic challenges of big biting companies all around the world and various methods with different computations have been done during the last decades. Many factors may extremely affect the biting rig including technical, economical and political factors. Permeability rate of rock is considered the main factor in the directional wells, so that the more permeability rate of rock indicates the higher speed of biting and the lower time of biting. This paper intends to investigate the basic parameters in the biting rig performance. To achieve this objective, the optimum in biting can be obtained through programming and considering the data from the drilled wells directionally in Southern areas of Iran. Using Ant Algorithm, this study determines the relation between these variables. Also, using Matlab software to compute, Ant Algorithm is applied to time optimizing of directional biting. According to the obtained results, Ant Algorithm can predicate the affecting parameters in the permeability rate of rock
Category: Education and Didactics

[1] viXra:1805.0208 [pdf] replaced on 2018-05-16 09:39:01

O Brasil na Elite da Matemática Mundial e Nossa Posição no Pisa

Authors: Valdir Monteiro dos Santos Godoi
Comments: 17 Pages.

Analisamos a recente promoção do Brasil para o grupo de elite do ranking mundial de Matemática, passando a integrar o grupo 5 da União Matemática Internacional (IMU), junto com os EUA, Canadá, Reino Unido, Alemanha, França, Itália, China, Japão, Rússia e Israel, contrapondo com nossa péssima colocação nos testes PISA que são feitos trienalmente para os alunos de 15 anos de idade de alguns países selecionados do mundo. Criticamos Paulo Freire e a pedagogia do oprimido.
Category: Education and Didactics