BHA Selection and Parameter Definition Using Vibration Prediction Software Leads to Significant Drilling Performance Improvements

D Amorim, C Hanley, DJ Leite - SPE Latin America and Caribbean …, 2012 - onepetro.org
The understanding and mitigation of downhole vibration has been the subject of intense
scientific research in the drilling industry in recent years, as inefficient drilling results in …

Purification of bentonite clays from the district of Cubati, PB, for obtainment of organoclays for use in drilling fluids

JMR de Figueirêdo, CD da Silva, IA da Silva… - Materials Science …, 2012 - Trans Tech Publ
The main deposits of bentonite clays are located in the district of Boa Vista, in the State of
Paraiba, Brazil. The random exploration of these deposits for many years is causing the …

Influence of Hydrocycloning Pressure on the Purification of Bentonite

PL de Oliveira, JMR de Figueirêdo… - Materials Science …, 2014 - Trans Tech Publ
The bentonite clays are rich in accessory minerals, the presence of these minerals,
depending on the application can impact the value of an industrial warehouse, reducing its …

Development of Organoclays for use in oil-based drilling fluids

MAF Cardoso, HS Ferreira, IA da Silva… - Materials Science …, 2012 - Trans Tech Publ
The organoclays are derived from bentonite clays treated in aqueous solution with
surfactants, which are incorporated into the interlayer surface of clays, covering them with an …

Nonionic Surfactant Organoclays Obtaining from Pedra Lavrada District Clays, PB, Brazil

IA da Silva, JMR Costa, MAF Cardoso… - Materials Science …, 2012 - Trans Tech Publ
The State of Paraíba has large reserves of bentonite clays, mainly in the District of Boa Vista.
New occurrences were recently discovered in the Districts of Pedra Lavrada and Cubatí …

Análise estatística do custo métrico de perfuração de poços de petróleo

FS Candol, LLB Corrêa - 2012 - pantheon.ufrj.br
Apresenta uma análise estatística do custo métrico de perfuração de poços de petróleo.
Partindo de dados de perfuração de uma mesma região na Bacia de Campos foi testada a …

[PDF][PDF] PERFURAÇÃO ECONÔMICA DE ROCHAS

MAR de Almeida - 2010 - w1files.solucaoatrio.net.br
Este trabalho desenvolve um modelo de programação não linear intervalar e outro
determinístico para o custo por metro perfurado em poços de petróleo. Além disso, um …