Invention Grant
US07938191B2 Method and apparatus for controlling elastomer swelling in downhole applications
有权
用于控制井下应用中的弹性体膨胀的方法和装置
- Patent Title: Method and apparatus for controlling elastomer swelling in downhole applications
- Patent Title (中): 用于控制井下应用中的弹性体膨胀的方法和装置
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Application No.: US12103571Application Date: 2008-04-15
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Publication No.: US07938191B2Publication Date: 2011-05-10
- Inventor: Nitin Y. Vaidya
- Applicant: Nitin Y. Vaidya
- Applicant Address: US TX Sugar Land
- Assignee: Schlumberger Technology Corporation
- Current Assignee: Schlumberger Technology Corporation
- Current Assignee Address: US TX Sugar Land
- Agent Rodney V. Warfford; Tim Curington
- Main IPC: E21B33/12
- IPC: E21B33/12
Abstract:
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.
Public/Granted literature
- US20080277109A1 METHOD AND APPARATUS FOR CONTROLLING ELASTOMER SWELLING IN DOWNHOLE APPLICATIONS Public/Granted day:2008-11-13
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