C - Chemistry – Metallurgy – 10 – M
Patent
C - Chemistry, Metallurgy
10
M
253/12
C10M 125/00 (2006.01) C10M 161/00 (2006.01) C10M 171/00 (2006.01) C10M 171/06 (2006.01) C10M 177/00 (2006.01)
Patent
CA 2219674
The present invention discloses the use of nonmetallic, finely divided polymeric or natural fibers in anti-seize thread compound formulations for use on rotary shouldered, oilfield tubular good or tapered threaded connections. The addition of such fibers into formulas that do not contain metallic powders or flakes (typically utilized to provide the anti-galling properties) provides a measurable improvement in the galling and seize resistance properties. Therefore, the incorporation of such fibers provides a film strength improvement in environmentally responsible thread compound compositions, which previously would not provide the level of galling resistance to perform in severe applications such as oilfield directional or geothermal drilling.
La présente invention concerne l'utilisation de fibres non métalliques, polymères ou naturelles, finement divisées, dans des formulations de graisse de protection des filetages de vis, à utiliser sur des éléments tubulaires à épaulement rotatif ou sur des connexions filetées coniques, employés dans les champs pétrolifères. L'addition de ces fibres dans les formules ne contenant pas de poudres ou flocons métalliques (généralement utilisées pour conférer des propriétés anti-grippantes) constitue une amélioration mesurable de ces propriétés. En conséquence, l'incorporation de ces fibres améliore la résistance de pellicule dans les compositions de graisses antigrippantes respectant l'environnement qui n'offraient pas auparavant le niveau de résistance anti-grippant nécessaire dans des applications rigoureuses telles que le forage directionnel ou géothermique en champ pétrolifère.
George Matthews
Oldiges Donald A.
Jet-Lube Inc.
Kirby Eades Gale Baker
LandOfFree
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