Transitions in Natural Gas Systems, including Transportation

Transcription

1 FAPESP-NERC Workshop on Sustainable Gas Future Transitions in Natural Gas Systems, including Transportation Celso Morooka Faculty of Mechanical Eng. & Center for Petroleum Studies (FEM & Cepetro) University of Campinas - UNICAMP FAPESP February 25 th 215 Offshore Petroleum Systems

2 Chain of the Petroleum Industry Petroleum Field Exploitation Oil and Gas Offshore Processing Relief Shuttle Tanker and Transport Petroleum Product Distribution and Petrochemistry Refining

3 2 m 3 m PRE-SALT CARBONATE Source: Petrobras

4 Santos Basin - DISTANCES - LULA Field Area Source: Petrobras

5 Source: Petrobras Technological Challenges - TODAY

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7 Deepwater Offshore Petroleum Systems Underwater Problems Drill Vessel P-36 Offloading System P-47 Sea Surface Sea Bottom Wellbore Petroleum Reservoir BOP Riser and Pipelines Subsea Equipment

8 Side-By-Side (SBS) Tandem LNG Transfer Moving BOP by the Drillship Wave LNG Carrier LNG Transfer Cryogenic Hose Subsurface Buoy Flexible Jumper Free Hanging Catenary Riser Current Floaters Rigid Riser Rigid Riser Free Hanging Vertical Riser Stress Joint Wellhead Riser Tower SLWR Subsea Pipelines Pipeline with Free Span

9 RESEARCH TOPICS - Riser and pipeline hydrodynamics (current and waves); - Riser system and subsea pipeline & floating system motion behavior and design (SCR, SLWR, Tower, and so on); - Drilling riser and drillship behavior in waves and current.

10 Transverse VIV Riser System Dynamic Behavior Offset Wave Current Tensioner Y Bubble Annular Riser Flow Z In-line x Churn Riser Pipe Slug Flow Influence of the Riser Internal Flow Riser Well BOP X Vertical Riser Dynamic Behavior Wave FPU Current SCR - Steel Catenary Riser 19 Sea bottom 28 m Riser - Sea bed Interaction

11 Dynamic Behavior of Subsea Pipelines with Free Span Cross-flow y Vr Flow Pipeline In-line z

12 Numerical Simulation Tools and Visualization RISERPROD Dynamic behavior in currents and waves, and motions of the floating unit VIV due to currents and waves Frequency Domain & Time Domain APPROACH

13 Platform Motions & Riser Dynamics Numerical Methods and Experiment Catenary Shaped Riser FPSO Subsea BOP Re-entry and Suspended BOP Moving by Drillship VIV Current (U) U U U Local Curvature of the Riser a n Motions Drilling Riser Riser-Soil Touch Down Dynamics Wellhead BOP BOP Drill Bit

14 Experiment with Horizontal Pipe Model Set Up Experiment conducted at the Towing Tank (IPT) Length - 26m Width - 6,6m Depth - 4m Aluminum Pipe Experimental Assembly End Plate Carriage Carriage wheels Rail Strain Gauges Flexible Tube Side Wall of the Water Tank End Plate Universal Joint Accelerometer Electrical Cables Backlash

15 CATENARY Riser Shape Experiment Experiment Assembly CatVIV Auxiliarly Carriage Main Carriage Rail Z Y Fixed X 3,6 m Silicon Rubber D=8 mm TDP D A B C Ls= 5,2 m 2 Accelerometer Forced Oscillation Load Cell Current Bottom of the Water Tank 3,3 m Fonte: Morooka et al. (29)

16 A Y,D /D A Y,C /D A Y,B /D A Y,A /D Frequência (Hz) STFT da aceleração transversal (Teste Re = 56) Tempo (s) T Topo y A : : y B y C : y D : CATENARY Riser Shape Experiment 1, 3s < t < 5s 17s < t < 21s 35s < t < 38s 1, 1, -1, -,2 A n,a /D,2-1, -,2-1, A n,a /D,2 -,2 A n,a /D,2 A 1, 1, 1, B -1, -,2 1, A n,b /D,2-1, -,2 1, -1, A n,b /D,2 -,2 A n,b /D 1,,2 C -1, -,2 A n,c /D,2-1, -,2-1, A n,c /D,2 -,2 A n,c /D,2 D 1, 1, 1, -1, -,2 A n,d /D,2-1, -,2-1, A n,d /D,2 -,2 A n,d /D,2

17 Water Depth Internal Flow Momentum and Catenary Risers Whipping RISERWHIP Platform Motion Waves Currents Internal Flow Catenary Riser Well Head Sea Bed

18 Internal Flow Momentum and Catenary Risers Whipping Experiment in Air Optical Measurement

19 Internal Flow Momentum and Catenary Risers Whipping Minitank Horizontal Extension Riser Catenary 2 m Water input Air input Experiment in Water Two-phase Mixer

20 Moving a Drillship with the BOP Suspended by the Drilling Riser System TOP DRIVE Ultra deepwater drilling operations RISER TENSIONER Drill Ship longer period of continuous operation for a subsea equipment installation MOON POOL Critical loads on drilling riser BOP ABB Vetco Gray

21 Wave Significant Height [m] Heave Significant Double Amplitude [m] OPERATIONAL MAPS BOP Suspended Allowable operational condition 2 m riser length Contour Lines σ vm /σ y Zero Crossing Period [s] WAVE Zero Crossing Period [s] HEAVE Allowable operational conditions for different riser lengths Zero Crossing Period [s] WAVE Zero Crossing Period [s] HEAVE

22 Z Cryogenic Transfer Hose Dynamic Behavior for LNG A = 1. m T = 4.5 sec (f =.22 Hz) T = 8.5 sec (f =.12 Hz) T = 12.5 sec (f =.8 Hz) B A Hose Length (L) = 135 m Span (S) = 1 m Inner Pressure (P w ) = 8 Bar Inner Flow Velocity (V F ) = m/s Hose + LNG mass = 49 kg/m Focus on the region of contact of the hose at sea surface Study Cases:

23 TOPICS of THE GRADUATE PROGRAM PETROLEUM SCIENCE AND ENGINEERING UNICAMP Oil & Gas Field Development Project Development Petroleum Economics Management of Petroleum Resources Petroleum Geology and Reservoir Eng. Reservoir Characterization Geophysics and Seismic Analysis Fluid Flow in Porous Media Reservoir Simulation Well Test and Oil Recovery Methods Well Engineering and Completion Well Control Rheology Completion Methods Offshore Systems and Engineering Offshore Drilling and Completion Floating Production Systems Subsea Systems Risers Oil and Gas Production Multiphase Flow in Pipes Artificial Lift Artificial Intelligence Applications

24 Research Group LabRiser Offshore Petroleum Systems and Risers Celso Morooka Sergio Bordalo Renato Pavanello Oscillator Catenary Riser Deep Water Tank - Current -

25 Thank you!

26 Inovation FUTURE VIEW Petrobras

27 Petroleum Sciences and Engineering Graduate Program Doctoral, master and undergraduate projects Industry and agency funded projects Wellbore Engineering Production Engineering Reservoir Engineering Offshore Petroleum Systems Geological and Geophysical Modeling Wave FPU Current SCR - Steel Catenary Riser m Sea bottom

28 Computer Main Lab (DEP) LabRiser UNISIM LAGE LIG LGC Petroleum Sciences and Engineering Graduate Program Computer and Experimental Labs FEM Offshore Petroleum Systems and Risers (DEP) Reservoir Simulation (DEP) Geoeconomical Analysis of Mineral Resources (IG) Geological Information (IG) Computational Geophysics (IMECC) Experimental (DEP) Fluid Properties Rock Properties Stimulation Flow in porous media Multiphase flow

29 Petroleum Sciences and Engineering INFRASTRUCTURE Computer and Experimental Labs CEPETRO LAB PETRO Kelsen Valente Serra multidisciplinary projects in Oil and Gas Heavy Oils Production Seismic Processing, Reservoir Simulation Geological Modeling of Reservoirs Oil Recovery Process CEPETRO Bldg., 21