1 / 10

GAS QUALITY SPECIFICATIONS

GAS QUALITY SPECIFICATIONS. Docket # 04-057-09 Technical Conference October 21, 2004. Approximate Interchangeability Ranges. QGC South Post – 1998 (e.g. Payson). QGC Pre-1998 Range. QGC North Post-1998 Range (e.g. Little Mountain). Est KRGT Range @ 4% inert, 15F HCDP. 960. 980. 1000.

idana
Download Presentation

GAS QUALITY SPECIFICATIONS

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. GAS QUALITY SPECIFICATIONS Docket # 04-057-09 Technical Conference October 21, 2004

  2. Approximate Interchangeability Ranges QGC South Post – 1998 (e.g. Payson) QGC Pre-1998 Range QGC North Post-1998 Range (e.g. Little Mountain) Est KRGT Range @ 4% inert, 15F HCDP 960 980 1000 1020 1040 1060 1080 1100 BTU Docket # 04-057-09 Technical Conference October 21, 2004

  3. Questar Gas Btu Delivery Ranges(1995 – Present) Docket # 04-057-09 Technical Conference October 21, 2004

  4. Docket # 04-057-09 Technical Conference October 21, 2004

  5. Gas Quality SpecificationsPipeline Interconnects to QGC Questar Pipeline Kern River Pipeline Minimum BTU 950 970 Maximum BTU 1150 - Total Inert 3% 4% Total Nitrogen - 3% Total CO2 - 3% Hydrocarbon Dew Point - 15°F up to 800 psig Hydrocarbon Liquids Gas shall not contain any Will contain no hydrocarbons hydrocarbon fractions that in liquid form at the might condense to free temperature & pressure at liquids under normal which the gas is delivered. pipeline operation conditions. Docket # 04-057-09 Technical Conference October 21, 2004

  6. Gas Composition Coal Seam Gas 984 0.588 96.4% 0.27% 0.0543% 0.0139% 0.0018% 2.5% -110.5° 0.18% 1283 Uinta Basin Gas 1115 0.632 90.7% 5.06% 1.95% 0.863% 0.5923% 0.629% 70.4° 0.24% 1402 Northern Gates Gas 1070 0.616 92.0% 4.35% 1.20% 0.491% 0.315% 0.629% 40.9° 0.48% 1363 Representative Btu Specific Gravity Percent Methane(1010 Btu/Scf) Percent Ethane(1789 Btu/Scf) Percent Propane(2516 Btu/Scf) Percent Butane(3250 Btu/Scf) Percent C5+(5500+ Btu/Scf) Percent CO2 Hydrocarbon Dewpoint* Percent Nitrogen Wobbe (W = HV/G) *Calculated dew point at pipeline delivery pressure. Docket # 04-057-09 Technical Conference October 21, 2004

  7. Docket # 04-057-09 Technical Conference October 21, 2004

  8. Gas & Liquid Gas Liquid HDP @ Operating Pressure Cricondentherm Temperature Docket # 04-057-09 Technical Conference October 21, 2004

  9. Phase Envelope for Kern River Gas 1000 900 Gas 800 700 600 Pressure (psia) 500 Gas & Gas Liquid 400 300 Cricondentherm Temperature Cricondentherm Temperature 200 HDP @ Operating Pressure 100 0 -250 -200 -150 -100 -50 0 50 100 Temperature (F) Docket # 04-057-09 Technical Conference October 21, 2004 Bubble Point Dew Point Critical Point

  10. POTENTIAL NEW SUPPLIES THAT WILL IMPACT QUESTAR PIPELINE Powder River Basin Max. Btu -1150 Min. Btu -984 4 New Developments 26 Active Producers KRGT (Roberson Creek) CIG WIC Southern Star Overthrust Pipeline ML’s 1/13/15 Eakin Kanda ML 22 QGC (Northern Wasatch Front) Min. - 950 Btu/CF Max.– 1150 Btu/CF Green River Basin Max. Btu-1176 Min. Btu-1025 6 New Developments 14 Active Producers East Fields Max. Btu-1150 Min. Btu-950 12 New Developments 9 Active Producers Overthrust Max. Btu-1170 Min. Btu-1000 0 New Developments 4 Active Producers ML58/101 NPC (Clay Basin) ML 80 QGC (Payson) Min. - 950 Btu/Cf Max. – 1150 Btu/CF JL 47 Price Fidlar Greasewood ML 40/41 ML 40 ML 68 Uinta Basin Max. Btu-1150 Min. Btu-1020 0 New Developments 14 Active Producers Piceance Basin Max. Btu-1200 Min. Btu-1020 1 New Developments 12 Active Producers Davis Plant - 3rd Party Oak Spring ML 104 TransColorado Ferron Max. Btu-1060 Min. Btu-984 0 New Developments 17 Active Producers CO2 Plant KRGT (Goshen) Min. – 970 Btu/CF Max.– No Limit Btu/CF Docket # 04-057-09 Technical Conference October 21, 2004

More Related