E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 33/068 (2006.01)
Patent
CA 2605201
A lubricator system for receiving the intervention tool string is described. The system includes a tubular body defining a tubular bore, and the tubular bore having a wall portion defining an aperture with a tool guide disposed in said aperture. A first sleeve surrounds the tubular body and is moveable between a first position where said aperture is covered by the first sleeve and a second position where said aperture is uncovered whereby access is provided to said tubular bore via said aperture. The system also includes a seal to allow the lubricator system to withstand operating pressures when the first sleeve is in the first position. Embodiments of the invention are described.
L~invention concerne un système de graissage destiné à recevoir un train d~outils d~intervention. Le système comporte un corps tubulaire définissant un alésage tubulaire, l~alésage tubulaire présentant une partie de paroi définissant une ouverture dans laquelle est inséré un guide-outil. Un premier manchon enveloppant le corps tubulaire est mobile entre une première position dans laquelle il couvre l~ouverture et une deuxième position dans laquelle l~ouverture est découverte pour donner accès à l~alésage tubulaire. Le système comporte également un joint d~étanchéité permettant au système de graissage de supporter les pressions générées lorsque le premier manchon occupe la première position. Des modes de réalisation de l~invention sont également décrits.
Enovate Systems Limited
Sim & Mcburney
LandOfFree
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