Patent №
US 7,938,191
Granted
2011-05-10
Filed 2008
Owner
SCHLUMBERGER TECHNOLOGY CORPORATION
Lab
—
AI components
2
nlp · planning
Assignment
Recorded
Dataset
AIPD
2023_r1 edition
Application
12103571
A downhole tool includes a swellable core, and a coating that encapsulates the swellable core, wherein the coating is made of a material comprising a component soluble in a selected fluid and a component insoluble in the selected fluid. A method for controlling a downhole tool includes disposing a downhole tool in a wellbore, wherein the downhole tool includes a swellable core, and a coating that encapsulates the swellable core, wherein the coating is made of a material comprising a component soluble in a selected fluid and a component insoluble in the selected fluid; and exposing the swellable device to the selected fluid to increase the permeability of the coating to allow the swellable core to swell.
AI classification
Ownership
SCHLUMBERGER TECHNOLOGY CORPORATION
assignment · 208090394
Assignors
VAIDYA, NITIN Y.
On an employer assignment, the assignors are typically the inventors.