AN EFFICIENT NUMERICAL METHOD FOR HIGH-RESOLUTION FLUID TRACKING IN OIL RECOVERY PROCESSES-

Award Information
Agency:
Department of Energy
Branch
n/a
Amount:
$182,000.00
Award Year:
1986
Program:
SBIR
Phase:
Phase II
Contract:
n/a
Award Id:
2585
Agency Tracking Number:
2585
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
22 Meadow Drive, Stony Brook, NY, 11790
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
n/a
Principal Investigator:
Dr. Yung Ming Chen
Principal Investigator
(516) 751-9518
Business Contact:
() -
Research Institution:
n/a
Abstract
IF THE RELEVANT RESERVOIR PARAMETERS WERE KNOWN PRECISELY, THEN ONE COULD SIMULATE THE ENHANCED OIL RECOVERY PROCESSES NUMERICALLY ON A COMPUTER TO TRACK THE INJECTED FLUIDS; UNFORTUNATELY, THIS IS NOT TRUE IN PRACTICE. HENCE THE ABILITY TO IDENTIFY THESE RESERVOIR PARAMETERS FROM THE PRESSURE AND/OR SATURATION MEASUREMENTS AT THE SPARSELY LOCATED EXISTING OB- SERVATION WELLS BECOMES NECESSARY PRIOR TO THE RESERVOIR SIMULATION. THE IDENTIFICATION CAN BE ACHIEVED BY EXTENDING THE PROVEN ITERATIVE NUMERICAL ALGORITHM, THE GENERALIZED PULSE-SPECTRUM TECHNIQUE (GPST). IN PHASE I, GPST WILL BE USED TO IDENTIFY THE UNKNOWN RESERVOIR PARAMETERS FROM THE PRESSURE AND/OR SATURATION MEASUREMENTS AT THOSE SPARSELY LOCATED OBSERVATION WELLS IN A TWO-DIMENSIONAL AND TWO-PHASE FLOW RESERVOIR MODEL AND TO TRACK THE INJECTED FLUID EVERYWHERE IN THE RESERVOIR ACCURATELY. IN PHASE II, GPST WILL BE FURTHER GENERALIZED AND MADE SUPER-EFFICIENT BY TAKING ADVANTAGE OF PARRALLELISM, VECTORIZATION, ADAPTIVE GRIDS, DOMAIN DECOMPOSITION, ETC., TO IDENTIFY THE UNKNOWN RESERVOIR PARAMETERS FROM THE PRESSURE AND/OR SATURATION MEASUREMENTS AT THOSE SPARSELY LOCATED OBSERVATION WELLS IN A THREE-DIMENSIONAL AND THREE-PHASE FLOW RESERVOIR MODEL AND TO TRACK THE INJECTED FLUIDS EVERY- WHERE IN THE RESERVOIR ACCURATELY.

* information listed above is at the time of submission.

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