E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 47/12 (2012.01) H01B 11/00 (2006.01)
Patent
CA 2237432
The present invention relates to composite material structures having reduced signal attenuation properties. In particular, the invention relates to composite drill string components with electromagnetic properties and acoustic properties that enable the use of electromagnetic, acoustic and nuclear sensing equipment to obtain data from a wellbore from within a drill pipe. In a specific embodiment, a composite tube is incorporated with end-fittings which enable its incorporation into a drill string thereby permitting the use of logging equipment from within the composite tube.
La présente invention concerne des structures de matériaux composites possédant des propriétés d'atténuation réduite de signaux. Cette invention concerne plus particulièrement des composants de train de tiges composites qui possèdent des propriétés électromagnétiques et acoustiques permettant d'utiliser des installations de détection électromagnétique, acoustique et nucléaire afin d'obtenir des données sur un puits de forage et depuis l'intérieur d'une tige de forage. Dans un mode de réalisation particulier, on intègre à un tube composite des inserts d'extrémité qui permettent de l'incorporer dans un train de tiges et d'utiliser ainsi des installations de diagraphie depuis l'intérieur dudit tube composite.
Maclean Doug
Pastushak Paul
Pomerleau Daniel Guy
Spencer Brian
Voghell Mark
Lwt Instruments Inc.
Na
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