Reservoir Formation Damage Episode 1 Part 4 ppsx

Petrography and Texture of Petroleum-Bearing Formations 57

^COMPARISONS^

INTEGRATION

(BOUNDARY

AND INITIAL

CONDITIONS)

1) LABORATORY

DATA

2) DATA FILTERING

AND SMOOTHING

3) MARQUARDT￾LEVENBERG

NONLINEAR

OPTIMIZATION

4) PARAMETER

ESTIMATION

VOLUME

AVERAGING

ETWORK

MODEL

JUULJUU1_\ x-v

unnnnnc \(sj DiDnac ^v

^

DDDDDDn

NETWORKING

Figure 3-5. An integrated modeling approach to characterization of porous

formation and processes (after Civan, ©1994; reprinted by permission of the

U.S. Department of Energy).

58 Reservoir Formation Damage

O

•o O

o

[INTERCONNECTED PORES [ DEAD-END PORES ISOLATED PORES

Figure 3-6. Interconnectivity of pores.

0.01

O

CC

O

03

5

DC 10-=

100-=

\

X

THROATS ASSOCIATED

WITH INTERQRANULAR

FORES

BODIES

A—A THROATS

100

I

SO so 40 SO

CUMULATIVE FREQUENCY (%)

Figure 3-7. Typical cumulative pore body and pore throat size distributions

in porous formation (after Ehrlich and Davies, ©1989 SPE; reprinted by

permission of the Society of Petroleum Engineers).