Notes

Slide Show

Outline

1	Use of Dry Gas Properties in Material Balance Equation PETE 310 Maria A. Barrufet
2	Classical Reservoir Engineering Analysis Volumetric Isomaps Structural maps Geological wisdom Material Balance Production data PVT data Fluid Displacement Fractional Flow theory Waterflooding
3	Limitations of Material Balance Methods No spatial distribution of pressures and saturations No Indication of Unswept or Uncontacted Areas Does Not Use Spatial Information Reservoir properties are average properties Reservoir is a tank
4	Processes Included in GMBE
5	Sequence of Stirred Tanks Model
6	Sources of Reservoir Energy Liquid and rock compressibility, Gas in solution, Gas in the gas cap, Water influx, Gravity Segregation
7	Volumetric gas material balance
8	A Simple Mass Balance
9	Volumetric gas material balance
10	Material Balance Derivation
11	Material Balance Derivation
12	P/z plot Volumetric reservoir graphic interpretation--
13	Material Balance Exercise Volumetric Depletion of a Dry Gas Reservoir
14	Material Balance Exercise
15	Material balance with connate water and rock compressibility
16	More Involved Accounting Note water and rock volumes