Rocsole profiler vs. nucleonic device
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Rocsole profiler tool validated by 3rd party laboratory. Here we show some of the results. Now you can have reliable non nucleonic tool for your level measurement inside tanks and separators.
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Rocsole profiler vs. nucleonic device
- 1. ROCSOLE - PROFILER VS. NUCLEONIC DEVICE Rocsole Ltd, 2019
- 2. INTRODUCTION ROCSOLE PROFILER WAS INSTALLED IN 3-PHASE SEPARATOR AT MEDIUM SCALE MULTI-PHASE CLOSED FLOWLOOP Test runs were performed during 6.11.2018 – 26.11.2018. VERIFY THE PERFORMANCE OF THE ROCSOLE PROFILER VS. TYPICAL NUCLEONIC DEVICE (REFERENCE) Purpose of the test campaign was to ROCSOLE NUCLEONIC MEASUREMENT TIME 1 second 15-20 minutes INSTALLATION TYPE Fixed Vertical movement (0.04 in/s, 1.00 mm/s) OPERATING PRINCIPLE Electrical conductivity * Density * * In this project profiles were converted to water cut profiles!
- 3. INSTALLATION PROFILER INSTALLED TO SEPARATOR BEFORE ADDING FLUIDS PICTURE FROM INSIDE THE SEPARATOR OPERATING CONDITIONS & PARAMETERS: ~33 °API p = 8 bar T = 18.5 °C FLOWRATE: varied low to high velocity SEPARATOR SIZE: Volume= 11 m³ ID = 1.6 m WATERCUT RANGE: 0 to 100%
- 5. ALL 127 SCANS IN ONE PICTURE Dates EACH BLACK LINE REPRESENTS ONE SCAN SCAN 9 SCANS 16 & 19 SCANS 24 & 26 SCANS 45 & 51 SCANS 37 & 39 SCANS 80, 81 & 86 SCAN 122 FIRST SCAN ( SCAN 1 ) LAST SCAN ( SCAN 127 ) 127 SCANS WERE MEASURED WITH ROCSOLE PROFILER AND WITH NUCLEONIC DEVICE. IN THE FOLLOWING, FEW SCANS WITH EITHER STABLE OR TRANSIENT OIL-WATER INTERFACES WERE SELECTED FOR CLOSER COMPARISON In this campaign Both gamma density and conductivity profiles were converted to water cut.
- 6. WATER CUT COMPARISON OF PROFILES GAMMA DENSITY PROFILE WATER CUT PROFILE IS STEADY GAS OIL EMULSION WATER WATER CUT PROFILE (BLACK LINE) AIR-OIL INTERFACE OIL-EMULSION INTERFACE EMULSION-WATER INTERFACE WATER CUT GAMMA GAMMA DENSITY SCAN 9 Note that WATER CUT GAMMA IN THE MIDDLE FIGURE IS COMPUTED USING GAMMA DENSITY IN THE RIGHT FIGURE Time
- 7. SCAN 16 WATER CUT COMPARISON OF PROFILES GAMMA DENSITY PROFILE WATER CUT PROFILE CHANGING AIR-OIL INTERFACE OIL-EMULSION INTERFACE EMULSION-WATER INTERFACE GAMMA DENSITY GAS OIL EMULSION WATER Time WATER CUT FIRST = BEGINNING OF THE SCAN WATER CUT END = END OF THE SCAN GAMMA WATER CUT (CYAN) IS CLOSER TO THE FIRST WATER CUT PROFILE IN THE BOTTOM PART OF THE TANK and close to the last profile in upper part of the tank. Note that
- 8. SCAN 18 WATER CUT COMPARISON OF PROFILES GAMMA DENSITY PROFILE WATER CUT PROFILE IS STEADY AIR-OIL INTERFACE OIL-EMULSION INTERFACE EMULSION-WATER INTERFACE GAMMA DENSITY SMALL CHANGES GAS OIL EMULSION WATER Time WATER CUT FIRST = BEGINNING OF THE SCAN WATER CUT END = END OF THE SCAN
- 9. WATER CUT COMPARISON OF PROFILES GAMMA DENSITY PROFILE WATER CUT PROFILE (BLACK LINE) AIR-OIL INTERFACE OIL-EMULSION INTERFACE EMULSION-WATER INTERFACE GAMMA DENSITY SCAN 24 WATER CUT PROFILE IS STEADY GAS OIL EMULSION WATER Time
- 10. SCAN 26 WATER CUT COMPARISON OF PROFILES GAMMA DENSITY PROFILE WATER CUT PROFILE (BLACK LINE) AIR-OIL INTERFACE OIL-EMULSION INTERFACE EMULSION-WATER INTERFACE GAMMA DENSITY WATER CUT PROFILE IS STEADY GAS OIL EMULSION Time
- 11. SCAN 34 WATER CUT COMPARISON OF PROFILES GAMMA DENSITY PROFILE WATER CUT PROFILE IS CHANGING SMALL CHANGES GAMMA WATER CUT (CYAN) IS CLOSER TO THE FIRST WATER CUT PROFILE IN THE BOTTOM PART OF THE TANK and close to the last profile in upper part of the tank. Note that AIR-OIL INTERFACE OIL-EMULSION INTERFACE EMULSION-WATER INTERFACE GAMMA DENSITY GAS OIL EMULSION WATER Time WATER CUT FIRST = BEGINNING OF THE SCAN WATER CUT END = END OF THE SCAN
- 12. SCAN 37 WATER CUT COMPARISON OF PROFILES GAMMA DENSITY PROFILE WATER CUT PROFILE (BLACK LINE) AIR-OIL INTERFACE OIL-EMULSION INTERFACE EMULSION-WATER INTERFACE GAMMA DENSITY WATER CUT PROFILE IS STEADY GAS OIL EMULSION WATER Time
- 13. SCAN 39 WATER CUT COMPARISON OF PROFILES GAMMA DENSITY PROFILE WATER CUT PROFILE (BLACK LINE) AIR-OIL INTERFACE OIL-EMULSION INTERFACE EMULSION-WATER INTERFACE GAMMA DENSITY WATER CUT PROFILE IS STEADY GAS OIL EMULSION WATER Time
- 14. SCAN 45 WATER CUT COMPARISON OF PROFILES GAMMA DENSITY PROFILE WATER CUT PROFILE (BLACK LINE) AIR-OIL INTERFACE OIL-EMULSION INTERFACE EMULSION-WATER INTERFACE GAMMA DENSITY WATER CUT PROFILE IS STEADY WATER CUT USING GAMMA MEASUREMENTS IN THE BOTTOM REGION OF THE TANK IS ESTIMATED TO BE SLIGHTLY UNDER ONE. Note that Errors in the gamma density estimates makes the differentiation of the pure water from emulsion sometimes difficult. GAS OIL EMULSION WATER Time
- 15. SCAN 51 WATER CUT COMPARISON OF PROFILES GAMMA DENSITY PROFILE WATER CUT PROFILE IS CHANGING EMULSION IS CHANGING GAMMA WATER CUT (CYAN) IS CLOSER TO THE FIRST WATER CUT PROFILE IN THE BOTTOM PART OF THE TANK and close to the last profile in upper part of the tank. Note that AIR-OIL INTERFACE OIL-EMULSION INTERFACE EMULSION-WATER INTERFACE GAMMA DENSITY GAS OIL EMULSION WATER CUT FIRST = BEGINNING OF THE SCAN WATER CUT END = END OF THE SCAN Time
- 16. SCAN 80 WATER CUT COMPARISON OF PROFILES GAMMA DENSITY PROFILE WATER CUT PROFILE IS CHANGING EMULSION IS CHANGING GAMMA WATER CUT (CYAN) IS CLOSER TO THE FIRST WATER CUT PROFILE IN THE BOTTOM PART OF THE TANK and close to the last profile in upper part of the tank. Note that AIR-OIL INTERFACE OIL-EMULSION INTERFACE EMULSION-WATER INTERFACE GAMMA DENSITY GAS OIL EMULSION Time WATER CUT FIRST = BEGINNING OF THE SCAN WATER CUT END = END OF THE SCAN
- 17. SCAN 81 WATER CUT COMPARISON OF PROFILES GAMMA DENSITY PROFILE WATER CUT PROFILE IS CHANGING AIR-OIL INTERFACE OIL-EMULSION INTERFACE EMULSION-WATER INTERFACE GAMMA DENSITY EMULSION IS CHANGING THERE ARE LARGE FLUCTUATIONS IN THE GAMMA WATER CUT (ESPECIALLY IN THE BOTTOM PART OF THE TANKS) Note that GAS OIL EMULSION WATER Time WATER CUT FIRST = BEGINNING OF THE SCAN WATER CUT END = END OF THE SCAN
- 18. SCAN 86 WATER CUT COMPARISON OF PROFILES GAMMA DENSITY PROFILE WATER CUT PROFILE (BLACK LINE) AIR-OIL INTERFACE OIL-EMULSION INTERFACE EMULSION-WATER INTERFACE GAMMA DENSITY WATER CUT PROFILE IS STEADY GAS OIL EMULSION Time
- 19. EPOXY COATING § Two days of measurements were recorded with coated probe. § As with other data points, the results for these points were calculated using the same algorithm parameters. USED EPOXY PAINT COATED PROFILER ROCSOLE PROFILER WAS TAKEN OUT FROM SEPARATOR & COATED WITH 2 COMPONENT EPOXY PAINT PURPOSE OF THE COATING IS TO SIMULATE AN INSULATING DEPOSIT LAYER
- 20. SCAN 122 (WITH EPOXY) WATER CUT COMPARISON OF PROFILES GAMMA DENSITY PROFILE AIR-OIL INTERFACE OIL-EMULSION INTERFACE EMULSION-WATER INTERFACE GAMMA DENSITY EMULSION IS CHANGING WATER CUT PROFILE IS CHANGING GAS OIL EMULSION Time WATER CUT FIRST = BEGINNING OF THE SCAN WATER CUT END = END OF THE SCAN
- 21. SUMMARY ROCSOLE PROFILER HAS MANY OTHER BENEFITS: No moving parts Environmentally safe Low maintenance ROCSOLE PROFILER GIVES VERY SIMILAR WATER CUT PROFILES & INTERFACES AS THE GAMMA DENSITY SCANNER The Rocsole profiler measures the whole profile instantaneously while with gamma scanner it takes 15-20 minutes to measure the profile