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Oil & Gas Applications
Applications
LNG Production
Service
Parameter(s)
Range(s)
Background
Model
Overhead / Top outlet
Percent H2
0-3, 0-6%
N2 / CO2, ppm H2S
2020
TCD
Process Gas
PPM CO2
0-10 ppm
Air
7500ZA
Outlet to N2 header / purity
PPM O2
0-10 ppm
N2
3000TA
Top inlet / safeguard monitor
PPM Hydrocarbons
PPM HC in water
0-2 ppm
0-10 ppm
Air
HC in condensate
4020
/
4080
Wet gas flare header
PPM O2
0-2,000 ppm
C3 Hydrocarbons
3020P
Thermal incinerator stack
Percent O2
PPM SO2
15% O2
250 ppm SO2
N2, CO, SO2, CO2
9060Z
/
6000
9060Z ZrO2
6000 SO2
LNG Transmission / LNG Gatering Systems
Service
Parameter(s)
Range(s)
Background
Model
Dry gas production lines
PPM O2
0-10 ppm
LNG
3110
(spot check for leaks)
Field compressor section
PPM O2
0-100 ppm
LNG
NA
OT-3 (prevent explosions)
Gas treatment facility
PPM O2
0-100 ppm
LNG
3020T
(unmonitored collection)
Main receiving station
PPM O2
0-100 ppm
LNG
3020T
(verifies gas treatment)
Liquid extraction facility
PPM O2
0-100 ppm
LNG
3020T
(catalyst protection)