Choon Wah Wong from Spring, TX, age 64

Secure Activation Of A Downhole Device
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US Patent:

7347278, Mar 25, 2008
Filed:

Aug 27, 2004
Appl. No.:

10/928856
Inventors:

Nolan C. Lerche - Stafford TX, US
James E. Brooks - Manvel TX, US
Choon Fei Wong - Sugar Land TX, US
Assignee:

Schlumberger Technology Corporation - Sugar Land TX
International Classification:

E21B 43/116
US Classification:

175 455, 102215
Abstract:

A system includes a well tool for deployment in a well, a controller, and a link coupled between the controller and the well tool. The well tool comprises plural control units, each of the plural control units having a microprocessor and an initiator coupled to the microprocessor. Each microprocessor is adapted to communicate bi-directionally with the controller. The controller is adapted to send a plurality of activation commands to respective microprocessors to activate the respective control units. Each activation command containing a unique identifier corresponding to a respective control unit.

Providing Electrical Isolation For A Downhole Device
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US Patent:

20040108114, Jun 10, 2004
Filed:

Nov 20, 2003
Appl. No.:

10/717872
Inventors:

Nolan Lerche - Stafford TX, US
James Brooks - Manvel TX, US
Choon Wong - Pearland TX, US
International Classification:

E21B043/24
US Classification:

166/302000, 166/065100
Abstract:

An isolation apparatus is provided between an electrical conductor and an electrically-activated well tool. The isolation apparatus has a blocking element to enable a signal having a first electrical polarity to pass through the element. The blocking element blocks a signal having a second electrical polarity.