E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 47/18 (2006.01) E21B 43/1185 (2006.01)
Patent
CA 2622318
A system that is usable with a subterranean well includes a downhole assembly and an apparatus. The downhole assembly is adapted to respond to a command that is encoded in a stimulus that is communicated downhole. The apparatus is adapted to change a pressure of a gas in communication with the well to generate the stimulus.
Un système utilisable avec un puits souterrain comprend un ensemble de fond de trou et un appareil. L'ensemble de fond de trou est adapté pour réagir à une commande codée dans une excitation communiquée au fond du trou. L'appareil est adapté pour changer la pression d'un gaz en communication avec le puits pour produire l'excitation.
Goodman Kenneth R.
Hansen Merlin D.
Herrmann Wolfgang E.
Vaynshteyn Vladimir
Schlumberger Canada Limited
Smart & Biggar
LandOfFree
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