표제지
목차
Abstract 10
초록 11
제1장 서론 12
1.1. 연구 배경 12
1.2. 연구 목적 13
제2장 시추설비의 설계 특성 14
2.1. 시추설비의 전력특성 14
2.1.1. 로터리 테이블(Rotary table)과 탑 드라이브(Top drive) 14
2.1.2. 드로웍스(Drawworks) 15
2.1.3. 머드 펌프(Mud pump) 15
2.1.4. 크레인(Crane) 16
2.1.5. 아지무스 트러스터(Azimuth thruster) 17
2.1.6. 잭킹 시스템(Jacking system) 17
2.2. 시추선의 운전모드(Operation mode) 19
2.3. 시추설비의 시스템 특성 22
2.3.1. 경사운전(Inclination operating) 22
2.3.2. 위치제어시스템(Dynamic positioning system) 22
2.4. 시추설비용 디젤 발전기의 시스템 설계 27
2.4.1. 연료유 시스템(Fuel oil system) 27
2.4.2. 윤활유 시스템(Lubricating oil system) 29
2.4.3. 압축공기 시스템(Compressed air system) 30
2.4.4. 냉각수 시스템(Cooling water system) 31
2.4.5. 연소공기 시스템(Combustion air system) 33
2.4.6. 배기가스 시스템(Exhaust gas system) 34
2.4.7. 파운데이션(Foundation) 35
2.4.8. 자동 제어 시스템(Automation control system) 36
제3장 시추설비용 디젤 발전기의 운전특성 평가 38
3.1. 운전특성 확인 38
3.2. 운전특성 평가 41
3.2.1. 계측속도와 제어속도 평가 41
3.2.2. 조속기의 민감도 평가 42
3.3. 운전특성 평가 결과 43
3.3.1. 계측속도와 제어속도 평가 결과 43
3.3.2. 조속기의 민감도 평가 결과 44
제4장 시추설비용 디젤 발전기의 성능 개선 51
4.1. 성능 개선 방안 51
4.2. 성능 개선 방안 평가 51
4.2.1. 제트 에어 어시스트 시스템 성능 평가 51
4.2.2. 하이브리드 시스템 성능 평가 53
4.3. 성능 개선 방안 평가 결과 55
4.3.1. 제트 에어 어시스트 시스템 성능 평가 결과 55
4.3.2. 하이브리드 시스템 성능 평가 결과 67
4.4. 기타 개선 방안 고찰 69
4.4.1. 시퀀셜 과급기(Sequential turbocharger) 69
4.4.2. 자동 제어 시스템(Automation control system) 69
4.4.3. 플라이휠(Fly wheel) 70
4.4.4. 선급 규정(Classification regulation) 개정 71
제5장 결론 74
참고문헌 76
Table 2.1. Operation mode-1 19
Table 2.2. Operation mode-2 20
Table 2.3. Operation mode-3 21
Table 2.4. DP(Dynamic Positioning) notation and system 23
Table 2.5. Water Quality 32
Table 3.1. Engine governor test(gain 70%, isochronous mode) 44
Table 3.2. Engine governor test(gain 80%, isochronous mode) 47
Table 3.3. Engine governor test(gain 87%, isochronous mode) 49
Table 4.1. Governor test with jet air assist(direction) 56
Table 4.2. Governor test without jet air assist(direction) 59
Table 4.3. Governor test with jet air assist(in-direction) 62
Table 4.4. Governor test without jet air assist(in-direction) 64
Fig. 2.1. Rotary table 14
Fig. 2.2. Top drive 14
Fig. 2.3. Drawworks 15
Fig. 2.4. Drawworks control 16
Fig. 2.5. Mud pump 17
Fig. 2.6. Pedestal crane 17
Fig. 2.7. Azimuth Thruster 18
Fig. 2.8. Jacking system 18
Fig. 2.9. Fuel oil system 28
Fig. 2.10. Lubricating oil system 29
Fig. 2.11. Compressed air system 30
Fig. 2.12. Cooling water system 32
Fig. 2.13. Combustion air system 34
Fig. 2.14. Charge air shut-off valve 34
Fig. 2.15. Exhaust gas system 35
Fig. 2.16. Resilient mount 36
Fig. 2.17. Chock mount(Steel) 36
Fig. 2.18. Chock mount(Resin) 36
Fig. 2.19. Engine automation system 37
Fig. 3.1. 11 ㎸ drilling switch Board(port) 39
Fig. 3.2. Activation of power limit function for drilling 39
Fig. 3.3. Available load and consumption load 40
Fig. 3.4. Engine speed control 41
Fig. 3.5. Engine speed variation vs Governor reaction speed 43
Fig. 3.6. Engine governor test(gain 70%, 17% → 33%) 45
Fig. 3.7. Engine governor test(gain 70%, 33% → 66%) 45
Fig. 3.8. Engine governor test(gain 70%, 66% → 100%) 46
Fig. 3.9. Engine governor test(gain 70%, 100% → 17%) 46
Fig. 3.10. Engine governor test(gain 80%, 17% → 33%) 47
Fig. 3.11. Engine governor test(gain 80%, 33% → 66%) 48
Fig. 3.12. Engine governor test(gain 80%, 66% → 100%) 48
Fig. 3.13. Engine governor test(gain 80%, 100% → 17%) 49
Fig. 3.14. Engine overshooting(gain 87%, 7% → 40%) 50
Fig. 4.1. Direction jet air assist(Wartsila) 52
Fig. 4.2. In-direction jet air assist(MAN) 52
Fig. 4.3. Energy saving system 54
Fig. 4.4. Governor test with jet air assist(direction, 17% → 33%) 57
Fig. 4.5. Governor test with jet air assist(direction, 33% → 66%) 57
Fig. 4.6. Governor test with jet air assist(direction, 66% → 100%) 58
Fig. 4.7. Governor test with jet air assist(direction, 100% → 17%) 58
Fig. 4.8. Governor test without jet air assist(direction, 17% → 33%) 60
Fig. 4.9. Governor test without jet air assist(direction, 33% → 66%) 60
Fig. 4.10. Governor test without jet air assist(direction, 66% → 100%) 61
Fig. 4.11. Governor test without jet air assist(direction, 100% → 17%) 61
Fig. 4.12. Governor test with jet air assist(in-direction, 0% → 35%) 62
Fig. 4.13. Governor test with jet air assist(in-direction, 35% → 70%) 63
Fig. 4.14. Governor test with jet air assist(in-direction, 70% → 100%) 63
Fig. 4.15. Governor test with jet air assist(in-direction, 100% → 0%) 64
Fig. 4.16. Governor test without jet air assist(in-direction, 0% → 35%) 65
Fig. 4.17. Governor test without jet air assist(in-direction, 35% → 70%) 65
Fig. 4.18. Governor test without jet air assist(in-direction, 70% → 100%) 66
Fig. 4.19. Governor test without jet air assist(in-direction, 100% → 0%) 66
Fig. 4.20. MAN engine project guide 67
Fig. 4.21. Drawworks test without energy saving system 68
Fig. 4.22. Drawworks test with energy saving system 68
Fig. 4.23. Sequential Turbo Charger 69
Fig. 4.24. Active engine speed control 70
Fig. 4.25. Additional drilling flywheel system 71
Fig. 4.26. DNVGL-RU-HSLC Pt.4 Ch.2 Sec.4, 2015 72
Fig. 4.27. DNVGL-OS-D201, 2015 72
Fig. 4.28. Classification governor test condition 73
Fig. 4.29. Drawworks drilling condition 73