PTRT 1307 01 Petroleum Production Operations Chapter 1
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PTRT 1307 -01 Petroleum Production Operations Chapter 1 Fundamentals of Petroleum Reservoirs Petroleum Technology Program
Fundamentals of Reservoirs ·permeability rock ·reservoir fluid water (salt oil (condensate) gas (natural) ·fluid flow concepts Petroleum Technology Program
Q's to be answered: ·Will the well flow to depletion? ·Will artificial lift be needed? ·Will we produce large volumes of gas or water ? Petroleum Technology Program
Recognizing Normal: Well performance allows one to: Recognize Abnormal Behavior Petroleum Technology Program
Reservoir Rock Permeability Absolute - defines the ease for fluid to flow through the rock. darcy (usually too large) millidarcy (md) Property of the rock! Petroleum Technology Program
Petroleum Technology Program
Relative Permeability Complicating factors result in: Interference Oil Gas Water Petroleum Technology Program
Connate Water "stuck" water surface tension makes some of the water "cling" to the inside wall of the pores Petroleum Technology Program
When oil is produced with connate water Oil permeability = Absolute Oil + Gas flowing together: Relative Permeability curves Petroleum Technology Program ko kg k k
Petroleum Technology Program
Two-phase flow gas in presence of oil OR oil in presence of gas Petroleum Technology Program
Permeability k = absolute ko = oil permeability Two phase flow kg = gas permeability Petroleum Technology Program not absolute
Reservoir Fluids oil gas water Solubility of Gas in oil What changes? Petroleum Technology Program
Properties depend on amount of gas in solution as small as 14 cuft/bbl typical number 500 -600 cuft/bbl SCF/STB = Petroleum Technology Program standard cubic feet stock tank barrel
Viscosity As gas in solution viscosity Petroleum Technology Program
Petroleum Technology Program
Formation Volume Factor FVF Ratio Volume of Oil (Formation) Volume of oil (Stock Tank) Petroleum Technology Program
Petroleum Technology Program
Shrinkage factor Bo = FVF = 1. 25 1. 0 = 0. 8 1. 25 bbl (formation) yields 1. 0 bbl (surface) Bo = 1. 4 High shrinkage Bo = 1. 2 Low shrinkage Petroleum Technology Program
Petroleum Technology Program
Pressure Radial Flow drainage radius Distance Petroleum Technology Program
Darcy's Law q = flow rate bbl/day Later we introduce Productivity Index q = P. I. (Pe-Pw) Petroleum Technology Program
Ups flight 1307
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Chapter 13 production and business operations
Production operations definition
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Operations management functions
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Cylindrical grinding machine
Petroleum registry
Petroleum ether composition
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Petroleum facts
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Advantages of petroleum
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Pros and cons of petroleum engineering
Composition of petroleum
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Ministry of petroleum angola
