Remote control of a hydrogen sulfide gas alarm system

Details Remote control of a hydrogen sulfide gas alarm system Remote control of a hydrogen sulfide gas alarm system

2004-10-12

2008-12-09

Nguyen, Tai T (Department: 2612)

Communications: electrical

Condition responsive indicating system

Specific condition

C340S531000, C340S539110, C340S539190, C340S539220, C340S693500

Reexamination Certificate

active

07463160

ABSTRACT:
A method allows an H2S alarm system installed at a remote wellsite to be monitored and configured from a distant location. Alert-signals from the alarm system to the distant location and configuration settings from the distant location to the alarm system can be transmitted using the text-messaging feature of a conventional cell phone. The cell phone, for example, can send the H2S alarm system a text message that sets the H2S concentration threshold at which the alarm system triggers an alert. When the H2S concentration reaches the threshold or a fault occurs with the alarm system, the system can send the cell phone a text message that describes the problem, identifies the location of the wellsite, and lists the names and telephone numbers of those that should be notified.

REFERENCES:
patent: 6252510 (2001-06-01), Dungan
patent: 6404884 (2002-06-01), Marwell et al.
patent: 6670887 (2003-12-01), Dungan
patent: 6794991 (2004-09-01), Dungan
patent: 7212111 (2007-05-01), Tupler et al.
patent: 2004/0056771 (2004-03-01), Dungan

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