© 2019 Department of Petroleum Resources. All rights reserved Department of Petroleum Resources (DPR) PROCEDURE GUIDE

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1.16.3 Determination of Density .................................................................................. 93 
1.17 DETERMINATION OF TEMPERATURE AND PRESSURE .......................................... 93 
1.17.1 PRESSURE ........................................................................................................... 93 
1.17.2 Temperature ...................................................................................................... 93 
1.17.3 Sampling determination of composition of LNG in accordance with ISO 8943.93 
1.17.4 Definitions and Notations .................................................................................. 94 
1.18 FUEL GAS MEASUREMENT .................................................................................... 96 
1.18.1 Special consideration for fuel gas system .......................................................... 96 
1.19 FLARE GAS MEASUREMENT .................................................................................. 96 
1.19.1 Functional requirements ................................................................................... 96 
1.19.1.1 General ............................................................................................................ 96 
1.20 GAS SAMPLER SYSTEMS ........................................................................................ 97 
1.20.1 Functional requirements ................................................................................... 97 
1.20.1.1 General ............................................................................................................ 97 
1.20.2 Equipment/Schematic ....................................................................................... 97 
1.20.3 Performance ...................................................................................................... 97 
1.20.3.1 General ............................................................................................................ 97 
1.20.3.2 Operational Requirements ............................................................................. 97 
1.20.3.2.1 Isolating and Sectioning ............................................................................... 97 
1.20.3.2.2 Layout Requirements ................................................................................... 97 
1.20.3.2.3 Interface Requirements ............................................................................... 98 
1.20.3.3 Technical requirements .................................................................................. 98 
1.20.3.3.1 Initial selection of automatic probe location .............................................. 98 
1.20.3.3.2 Probe design ................................................................................................ 98 
1.20.3.3.3 Sample collection pump .............................................................................. 98 
1.20.3.4 Sample receiver .............................................................................................. 98 
1.20.3.5 Tubing and valves ........................................................................................... 98 
1.20.3.6 Back-pressure system ..................................................................................... 98