Coated oil and gas well production devices

E - Fixed Constructions – 21 – B

Patent

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Details

E21B 4/00 (2006.01)

Patent

CA 2752759

Provided are coated oil and gas well production devices and methods of making and using such coated devices. In one torn, the coated oil and gas well production device includes an oil and gas well production device including one or more bodies, and a coating on at least a portion of the one or more bodies, wherein the coating is chosen from an amorphous alloy, a heat-treated electroless or electro plated based nickel-phosphorous composite with a phosphorous content greater than 12 wt%, graphite, MoS2, WS2, a fullerene based composite, a boride based cermet, a quasicrystalline material, a diamond based material, diamond-like-carbon (DLC), boron nitride, and combinations thereof. The coated oil and gas well production devices may provide for reduced friction, wear, corrosion, erosion, and deposits for well construction, completion and production of oil and gas.

L'invention concerne des dispositifs de production de puits de gaz et de pétrole pourvus d'un revêtement ainsi que des procédés de fabrication et d'utilisation de ces dispositifs pourvus d'un revêtement. Selon un aspect, le dispositif de production de puits de gaz et de pétrole pourvu d'un revêtement comprend un dispositif de production de puits de gaz et de pétrole comprenant un ou plusieurs corps, et un revêtement sur au moins une partie du ou des corps, ledit revêtement est choisi parmi un alliage amorphe, un composite thermiquement traité à base de nickel-phosphore à revêtement autocatalytique ou électrolytique, ayant une teneur en phosphore supérieure à 12 % en poids, du graphite, MoS2, WS2, un composite à base de fullerène, un cermet à base de borure, un matériau quasi-cristallin, un matériau à base de diamant, du carbone de type diamant (DLC), du nitrure de bore, et des combinaisons de ceux-ci. Les dispositifs de production de puits de gaz et de pétrole pourvus d'un revêtement permettent de réduire le frottement, l'usure, la corrosion, l'érosion, et les dépôts en vue de la construction de puits, de la complétion et de la production de pétrole et de gaz.

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