Improved Reservoir Characterization
of a Mature Field Through an Integrated
Multi-Disciplinary Approach.
LL-04 Reservoir, Tia Juana Field, Venezuela

L. J. Márquez1, M. González1, S. Gamble3,
E. Gomez2, M. A. Vivas4, H. M. Bressler3,
L. S. Jones5, S. M. Ali2 and G. S. Forrest3

1 PDVSA, EPM, Maracaibo, Venezuela
2 Schlumberger Holditch Reservoir Technologies, Denver, CO, USA
3 Geotrace Geotrace Technologies, Denver, CO, USA
4 Consultant, Denver, CO, USA
5 Consultant, Grand Junction, CO, USA

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Abstract

Location Map

Five-Phase Work Flow an Integrated Study

Objectives of the Study

Basic Reservoir Data



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Phase 1: Data Gathering and Validation

Phase 2: Construction of Geologic Model



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Structural Framework

Structure (top of Lower Lagunillas)

Sedimentology

Seismic Interpretation



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Petrophysical Model: Data Inventory for Petrophysical Model

Petrophysical Tasks

Rock Types

Comparison of rock types and core facies

Rock Type classification in the LL-04 area

Permeability Determination

Petrophysical Interpretation Results



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Mapping Process

Engineering Model



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Fluid Movement (Cumulative Water Cut) helped understand the sealing character of the faults

Engineering methodologies



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Detalle

Results