Institut für Bohrtechnik und Fluidbergbau AAPG-Freiberg Thursday 28.05.2015 PETROLEUM ENGINEERS AND PETROLEUM GEOLOGIST „DO WE NEED EACH OTHER ?“ Vs Dr.-Ing. Melvin Kome Institute of Drilling Engineering and Fluid Mining TU Bergakademie Freiberg, Germany AAPG-Freiberg: 28.05.15 Key Players in the O&G Upstream Sector PETROLEUM ENGINEERS Drilling Engineers Reservoir Engineers Production Engineers GEOSCIENTISTS Geophysicists Geologists TU Bergakademie Freiberg | Institut für Bohrtechnik und Fluidbergbau | Agricolastr. 22, 09599 Freiberg | www.tu-freiberg.de | Dr.-Ing. Melvin Kome| AAPG Freiberg | 28.05.15 2 AAPG-Freiberg: 28.05.15 Geoscientists: Reservoir Characterization (Static Model) Seismic Well Logs Trap, Faults, Source Rock, Reservoir Rock…… Sandstone, Limestone, Porosity, Fluid Saturation…… 1:7 Well Cores Porosity, Permeability,….. Next? Appraisal Phase 3 TU Bergakademie Freiberg | Institut für Bohrtechnik und Fluidbergbau | Agricolastr. 22, 09599 Freiberg | www.tu-freiberg.de | Dr.-Ing. Melvin Kome| AAPG Freiberg | 28.05.15 Drilling Engineers Drilling and Well Planning What has this got to do with the PG? TU Bergakademie Freiberg | Institut für Bohrtechnik und Fluidbergbau | Agricolastr. 22, 09599 Freiberg | www.tu-freiberg.de | Dr.-Ing. Melvin Kome| AAPG Freiberg | 28.05.154 AAPG-Freiberg: 28.05.15 Drilling and Well Design Geological Survey Drilling Engineer Pressure Profile 0 100 200 300 Pressure[bar] 400 500 600 700 800 0 500 1,000 depth[m] 1,500 2,000 Schichtwasserdruck 2,500 Do we need each other? Spülungsdruck 3,000 Frac Druck 3,500 4,000 4,500 5 TU Bergakademie Freiberg | Institut für Bohrtechnik und Fluidbergbau | Agricolastr. 22, 09599 Freiberg | www.tu-freiberg.de | Dr.-Ing. Melvin Kome| AAPG Freiberg | 28.05.15 Reservoir Engineers Reservoir Characterization and Management (Dynamic Model) TU Bergakademie Freiberg | Institut für Bohrtechnik und Fluidbergbau | Agricolastr. 22, 09599 Freiberg | www.tu-freiberg.de | Dr.-Ing. Melvin Kome| AAPG Freiberg | 28.05.15 6 AAPG-Freiberg: 28.05.15 From Static to Dynamic Reservoir Models Reservoir Characterization Static Reservoir Model Take Fluid Samples, Measure Rate, Pressure and Temperature PVT Analysis • Saturated Oil Reservoir • Undersaturated Oil Rservoir • Gas Condensate Reservoir • Dry Gas Reservoir Perform Flow Analysis with core samples: relative permeability, capillary pressure effects…. Evaluate Rate/ Pressure Data TU Bergakademie Freiberg | Institut für Bohrtechnik und Fluidbergbau | Agricolastr. 22, 09599 Freiberg | www.tu-freiberg.de | Dr.-Ing. Melvin Kome| AAPG Freiberg | 28.05.15 7 AAPG-Freiberg: 28.05.15 Some Reservoir Engineering Aspects Flowing Material Balance Plot Rate/Pressure Transient Analysis Production Decline Analysis p/z 1000 1.00E+02 100 reD 100 1.00E+01 qD[-], pD[-], Der qDd; Der[-] 10 reD 1000 1.00E+00 reD 10000 1 reD 1,00E+07 1.00E-01 0.1 reD 100 1.00E-02 0.01 reD 1000 reD 10000 1.00E-03 0.001 OGIP 1E-05 0.0001 0.011E-04 1.00E-04 1E-03 0.1 1 1E-02 10 1001E-01 1000 tDd[-] 1E+0010000 Gp tDw[-] 1E+01 100000 1E+02 1000000 10000000 1E+03 100000000 reD 1,00E+07 1E+04 1E+09 1E+10 Gp(AOF) =RF*OGIP TU Bergakademie Freiberg | Institut für Bohrtechnik und Fluidbergbau | Agricolastr. 22, 09599 Freiberg | www.tu-freiberg.de | Dr.-Ing. Melvin Kome| AAPG Freiberg | 28.05.15 8 AAPG-Freiberg: 28.05.15 Reservoir Engineering: From Static to Dynamic Models • Characterizing Pore Volume/ Reserve Estimation (OOIP, OGIP) • Describing/Characterize Flow Mechanisms (Reservoir Dynamics) • Estimating Quantity of Wells • Defining the Location of Wells TU Bergakademie Freiberg | Institut für Bohrtechnik und Fluidbergbau | Agricolastr. 22, 09599 Freiberg | www.tu-freiberg.de | Dr.-Ing. Melvin Kome| AAPG Freiberg | 28.05.15 9 Methodology of Reservoir Engineering and Reservoir Characterization METHOD 1: DIRECT PROBLEM METHOD 2: INDIRECT PROBLEM RESULT Formation and Geological Classification Classify and Identify Flow Mechanism Parameter Estimation/ Reservoir Characterization Identify Reservoir Model by Pressure/Rate Match Repeat Interpretation Data Interpretation Establish Mathematical Model Model Analysis and Parameter Estimation Brownfields Greenfields Identify Best Method of Analysis Derive Solutions to Model Examine Test Data and Eliminate Anomaly Data Derive Methods of Analysis Acquire Pressure /Rate Data from Test Dynamic Reservoir Model Rate/Pressure Transient, Production Decline, Numerical History Match → All in conformity with the Geological Model/Classification 10 Production Engineers Determine what is required to complete the wells and workover operations. What has this got to do with PG? TU Bergakademie Freiberg | Institut für Bohrtechnik und Fluidbergbau | Agricolastr. 22, 09599 Freiberg | www.tu-freiberg.de | Dr.-Ing. Melvin Kome| AAPG Freiberg | 28.05.15 11 AAPG-Freiberg: 28.05.15 Production Engineers Decision making • Choice of Downhole Completion Equipment • Plan Workover operations • Investigate and optimize flow from Wellbore TU Bergakademie Freiberg | Institut für Bohrtechnik und Fluidbergbau | Agricolastr. 22, 09599 Freiberg | www.tu-freiberg.de | Dr.-Ing. Melvin Kome| AAPG Freiberg | 28.05.15 12 AAPG-Freiberg: 28.05.15 Production Engineers Decision making /Role of PG • Wellbore completion: Screens • Workover operations: Fluid Injection Hydraulic Stimulation Matrix/Fracture Acidizing Enhanced Oil Recovery: Chemical Flooding TU Bergakademie Freiberg | Institut für Bohrtechnik und Fluidbergbau | Agricolastr. 22, 09599 Freiberg | www.tu-freiberg.de | Dr.-Ing. Melvin Kome| AAPG Freiberg | 28.05.15 13 AAPG-Freiberg: 28.05.15 Integrated Production (Asset) Modeling TU Bergakademie Freiberg | Institut für Bohrtechnik und Fluidbergbau | Agricolastr. 22, 09599 Freiberg | www.tu-freiberg.de | Dr.-Ing. Melvin Kome| AAPG Freiberg | 28.05.15 14 Thank You Any “Other” Questions? 15 TU Bergakademie Freiberg | Institut für ... | Professur für ... | Institutsadresse | Telefonnummer: 03731 / 39-1234 | www.tu-freiberg.de | Vortragender: Max Mustermann | Veranstaltungstitel | 02.01.2012 16
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