Supply of Services for Detailed OEB Crude Assay Analysis

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Stuart York
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1 Tender Number [ ] Supply of Services for Detailed OEB Crude Assay Analysis SCOPE OF WORK

2 SCOPE OF WORK 1. Introduction Orpic is the brand name for Oman Oil Refineries and Petroleum Industries Company SAOC. Orpic operates a 106 KBPSD hydro-skimming refinery at Mina-Al- Fahal (MAF) and a 116 KBPSD cracking Refinery with downstream Aromatics and Polypropylene plant at Sohar. Feedstock for both the refining complex is Oman Export Crude Blend (OEB) supplied by PDO from Mina Al Fahal. For the purpose of Refinery business planning, Orpic now intends to carry out detailed OEB crude assay analysis. 2. Scope of Services Sample to be tested by bidder for complete crude characterization. The specific properties to be analyzed for the various product cuts are as listed in the Appendix A-J 3. Minimum Technical Requirements Laboratory shall be ISO certified. Laboratory shall be accredited to ISO International standard methods like ASTM (American standard Testing Materials) to be followed for testing 4. Facilities to be provided by Contractor Sample containers and Auto Sampler Kit to be provided by the bidder to Orpic laboratory in advance Or Assign manpower to collect the sample at a predetermined time and frequency Samples to be collected from Orpic Laboratory (MAF Refinery, Mina Al Fahal, Muscat) by the bidder. 5. Facilities Provided by Orpic Orpic will arrange for the required gate passes and other facility access requirements for the bidder personnel to collect and take away the sample. 6. Reporting Requirements Bidder to submit a full test report within 28 days time from the day of collecting the samples either by mail or hard copy. One page (A3 Size) Summary report including all the product cuts along with yields and other properties to be submitted.

3 The report shall be submitted both in print (.pdf) and editable (.xls) format. Appendix A Whole Crude a) Micro-cut TBP distillation data (every 10 deg C) with yields reported both in weight% and Vol% for the entire range from C4 to 565 deg C. (Method - ASTM D 2892 \ D 5236) b) Crude Oil Properties as per the following table C kg/l ASTM D5002 Specific F - Calculation API Gravity API Calculation Ash Content %mass ASTM D482 Salt Content PTB ASTM D3230 Water %volume ASTM D4006 Water Content - KF %volume ASTM D4928 Sediment %volume ASTM D4807 Basic Sediment & Water %volume ASTM D4007 Sulphur Total %mass ASTM D4294 Hydrogen Sulfide ppm wt UOP 163 Mercaptan Sulphur ppm wt UOP 163 Total Nitrogen ppm wt ASTM D3228 Basic Nitrogen ppm wt UOP 269 Organic Chloride ppm wt ASTM D4929 Total Chloride ppm wt UOP 588 Lights Composition (C1 to C7) %mass GC Characterisation Factor - UOP 375 Kinematic Viscosity at 10 C cst ASTM D445 Kinematic Viscosity at 40 C cst ASTM D445 Pour Point C ASTM D97 Total Acid Number mg KOH/g ASTM D664 Asphaltenes %mass IP 143 Carbon Residue - Micro %mass ASTM D4530 Conradson Carbon Residue %mass ASTM D189 Metals Nickel (Ni) mg/kg UOP 391 Vanadium (V) mg/kg UOP 391 Iron (Fe) mg/kg UOP 391 Sodium (Na) mg/kg UOP 391

4 Appendix B Analysis for LPG Density kg/m3 ASTM D2598 Specific Gravity ASTM D2598 Hydrocarbons Compositions Methane %mass ASTM D2163 Ethane %mass ASTM D2163 Propane %mass ASTM D2163 i-butane %mass ASTM D2163 n-butane %mass ASTM D2163 i-pentane %mass ASTM D2163 n-pentane %mass ASTM D2163 Hexanes %mass ASTM D2163

5 Appendix C Analysis for Light Ends (C5-65) C5-65 Specific F - Calculation API Gravity API Calculation Sulphur - Total ppm wt ASTM D5453 Sulphur - Mercaptan mg/kg ASTM D3227 PIONA Total Paraffins %volume ASTM D6293 \ D6730 n-paraffins %volume ASTM D6293 \ D6730 Naphthenes %volume ASTM D6293 \ D6730 Aromatics %volume ASTM D6293 \ D6730 Poly Naphthenes %volume ASTM D6293 \ D6730

6 Appendix D Analysis for Full Range Naphtha (65-100, , ) Specific F - ASTM D4052 Sulphur - Total ppm wt ASTM D5453 Sulphur - Mercaptan mg/kg ASTM D3227 RON - clear Rating ASTM D2699 MON - clear Rating ASTM D2700 PIONA* Total Paraffins %volume ASTM D6293 \ D6730 n-paraffins %volume ASTM D6293 \ D6730 Naphthenes %volume ASTM D6293 \ D6730 Aromatics %volume ASTM D6293 \ D6730 Poly Naphthenes %volume ASTM D6293 \ D6730 * PIONA analysis should include breakdown based on Carbon Number.

7 Appendix E Analysis for Kerosene ( , ) Specific F - ASTM D4052 Sulphur - Total %mass ASTM D4294 Sulphur - Mercaptan mg/kg ASTM D3227 Freezing Point C ASTM D2386 Smoke Point Mm ASTM D1322 Flash point (Abel) C IP 170 Aniline Point C ASTM D611 Total Acid Number mg KOH/g ASTM D3242 FIA - Aromatics %volume ASTM D1319 Kinematic Viscosity at 40 C cst ASTM D445 Cloud Point C ASTM D2500 Pour Point C ASTM D97 Cetane Index - ASTM D976 & D4737

8 Appendix F Analysis for Straight Run Gas Oil ( , ) Specific F - ASTM D4052 Sulphur Total %mass ASTM D4294 Cetane Index - ASTM D976 & D4737 Kinematic Viscosity at 40 C cst ASTM D445 Kinematic Viscosity at 50 C cst ASTM D445 Cloud Point C ASTM D2500 Pour Point C ASTM D97 Aniline Point C ASTM D611 Total Acid Number mg KOH/g ASTM D664 Characterisation Factor - UOP 375 Aromatic Hydrocarbons Total Aromatics %mass IP 391 Mono-aromatics %mass IP 391 Di-aromatics %mass IP 391 Poly-aromatics %mass IP 391

9 Appendix G Analysis for Heavy Gas Oil ( ) Specific F - ASTM D4052 Sulphur - Total %mass ASTM D4294 Cetane Index - ASTM D976 & D4737 Kinematic Viscosity at 40 C cst ASTM D445 Kinematic Viscosity at 50 C cst ASTM D445 Kinematic Viscosity at 100 C cst ASTM D445 Cloud Point C ASTM D2500 Pour Point C ASTM D97 Aniline Point C ASTM D611 Total Acid Number mg KOH/g ASTM D664 Characterisation Factor - UOP 375 Conradson Carbon Residue %mass ASTM D189 Metals Nickel (Ni) mg/kg IP 470 Vanadium (V) mg/kg IP 470 Aromatic Hydrocarbons Total Aromatics %mass IP 391 Mono-aromatics %mass IP 391 Di-aromatics %mass IP 391 Poly-aromatics %mass IP 391

10 Appendix H Analysis for Atmospheric Residue (370+) C kg/l ASTM D4052 Specific F - ASTM D4052 Sulphur - Total %mass ASTM D4294 Total Nitrogen ppm wt ASTM D3228 Kinematic Viscosity at 60 C cst ASTM D445 Kinematic Viscosity at 100 C cst ASTM D445 Congealing Point C ASTM D938 Wax Content %mass UOP 46 Pour Point C ASTM D97 Conradson Carbon Residue %mass ASTM D189 Total Acid Number mg KOH/g ASTM D664 Asphaltenes %mass IP 143 Carbon Residue - Micro %mass ASTM D4530 Characterisation Factor - UOP 375 Metals Nickel (Ni) mg/kg UOP 391 Vanadium (V) mg/kg UOP 391 Iron (Fe) mg/kg UOP 391 Sodium (Na) mg/kg UOP 391

11 Appendix I Analysis for Vacuum Gas Oil ( , , ) C kg/l ASTM D4052 Specific F - ASTM D4052 Sulphur - Total %mass ASTM D4294 Total Nitrogen ppm wt ASTM D3228 Kinematic Viscosity at 60 C cst Kinematic Viscosity at 100 C cst ASTM D445 ASTM D445 Congealing Point C ASTM D938 Wax Content %mass UOP 46 Pour Point C ASTM D97 Aniline Point C ASTM D611 Conradson Carbon Residue %mass ASTM D189 Total Acid Number mg KOH/g ASTM D664 Asphaltenes %mass IP 143 Carbon Residue - Micro %mass ASTM D4530 Characterisation Factor - UOP 375 Metals Nickel (Ni) mg/kg UOP 391 Vanadium (V) mg/kg UOP 391 Iron (Fe) mg/kg UOP 391 Sodium (Na) mg/kg UOP 391

12 Appendix J Analysis for Vacuum Residue (565+) 565+ C kg/l ASTM D4052 Specific F - ASTM D4052 Sulphur - Total %mass ASTM D4294 Total Nitrogen ppm wt ASTM D3228 Ash Content %mass ASTM D482 Wax Content %mass UOP 46 Asphaltenes %mass IP 143 Ductility cm ASTM D113 Solubility ASTM D4042 Penetration mm ASTM D5 Conradson Carbon Residue %mass ASTM D189 Carbon Residue - Micro %mass ASTM D4530 Characterisation Factor - UOP 375 Metals Nickel (Ni) mg/kg UOP 391 Vanadium (V) mg/kg UOP 391 Iron (Fe) mg/kg UOP 391 Sodium (Na) mg/kg UOP 391

Crude Assay Report. Crude Oil sample marked. Barrow Crude Oil. On Behalf Of. Chevron Australia Pty Ltd. Laboratory Supervisor. Crude Assay Chemist

Crude Assay Report. Crude Oil sample marked. Barrow Crude Oil. On Behalf Of. Chevron Australia Pty Ltd. Laboratory Supervisor. Crude Assay Chemist Crude Assay Report on Crude Oil sample marked Barrow Crude Oil On Behalf Of Chevron Australia Pty Ltd. Reported by: Approved by: Michelle Fernandez Laboratory Supervisor Jhonas Fernandez Crude Assay Chemist