Project Engineering

CURRICULUM VITAE

Name: SANCHEZ ROMERO, Néstor L.

Place of birth: Caracas, Venezuela

Marital status : Married, 2 Children

Address : Urb. Caurimare, Avenida 4, Quinta Belnes,

Caracas, Venezuela

Phone: 582-***-**** (h), cel: (041*-***-****

Email: ***********@*****.***

EDUCATION

B.S. Petroleum Engineering, Universidad Central de

Venezuela, Caracas 1978

M.S. Petroleum Engineering, University of Pittsburgh, PA,

1983

RESUME

At present working as senior advisor for integrated compositional reservoir simulation, Thermal

reservoir modeling, and EOR process projects implementation in Mexico for mature oil fracture

reservoirs, identifying development opportunities to increase oil and gas reserves. Leader

exploration multidisciplinary teams to build business opportunities incorporating all information

available from G&G, reservoir engineering, drilling, operation facilties, and planning, in order to

develop optimal economical development plan. Throughout visualization, project

conceptualization and implementation, using integrated reservoir simulation modeling, project

planning experience, specialized skills and experience in conducting major multidisciplinary

integrated projects.

Experience includes:

(1) Development, evaluation & optimization of exploitation plans for new and mature oil & gas

fields, using state-of-the-art simulation software (Eclipse and Petrel) and Integrated multi-

disciplinary reservoir exploitation methodology.

(2) Reservoir engineering & simulation studies (Black oil, PVT/ phase behavior/ complex reservoir

fluid characterization/ compositional, naturally fractured, heavy oil and thermal)

(3) Gas-condensate/ volatile oil reservoir EOS Characterization development studies (Gas

cycling/ pressure maintenance to accelerate/ maximize liquid production, and recovery

forecasting)

(4) Improved/ Enhanced oil recovery studies (Waterflood, Miscible-flood, W AG, SWAG,

Hydrocarbon gas-flood, Steam flood, CO2 and Nitrogen injection; pilot-test and field wide project

design, evaluation and optimization)

(5) Design, evaluation and optimization of well drilling and management schemes, including

horizontal, and slant wells, for optimum depletion and economic exploitation of offshore and on

land oil & gas fields.

(6) Modeling sub-surface fields giant gas gathering system (2.5 Tscfd) using GAP, PROSPER

and MBAL, to evaluate installation of compression facilities to increase gas recovery.

(7) Laddering gas and oil reservoirs exploratory projects integrating information from G&G,

reservoir engineering, drilling, and production facilities to develop plan for economics reserves

development.

(8) Last four years modeling naturally fractures reservoirs using compositional and thermal

simulation models. Developing Pilot Test for surfactant injection, Nitrogen and CO2 injection,

Miscible gas injection, steam drive and soak injection projects in complex carbonate reservoir in

gulf of Mexico, including main major Mexican Pemex fracture reservoirs.

Extensive project management experience on several Venezuelan oil, gas condensate and heavy oil

reservoirs. The following list is representative of project experience:

1. Simulation of pilot test of cyclic gas-steam injection in the Tia Juana field. II International

Symposium on Enhanced Oil Recovery, Feb. 1987, Maracaibo, Venezuela.

2. Redimention of the M-6 Steam Drive Project, Tia Juana field, Venezuela. II International

Symposium on Enhanced Oil Recovery, Feb. 1987, Maracaibo, Venezuela.

3. Simulation of field results of cyclic steam/gas injection in the Tia Juana field, Bolivar Coast,

W estern Venezuela, paper SPE 16732, Dallas, TX, Sep. 1987.

4. Interpretation of field test of cyclic steam/gas injection in the Tia Juana field, Bolivar Coast,

W estern Venezuela, 4th International Conference on Heavy Crude & Tar Sands, Alberta,

Canada, August. 1988.

5. Laguna Reservoir, Prediction of Production Performance by using a Numerical Simu lation

Model. III International Symposium on Enhanced Oil Recovery, Feb. 1989, Maracaibo,

Venezuela.

6. Numerical Modeling of Sedimentological Facies as Flow Units in the Laguna Water

Injection Project, Lake Maracaibo. I Latin American Petroleum Engineering Conference,

Paper SPE-21091, Brazil, Oct. 1990.

7. Eocene C, 3-D Volatile oils Reservoir Simulation Study, Lake Maracaibo, Venezuela. Third

International Forum on Reservoir Simulation, Baden, Austria, July 1990.

8. Simulation of Slant Well in a Naturally Fractured Reservoir, Lake Maracaibo, Venezuela.

Fourth International Forum on Reservoir Simulation, Salzburg, Austria, August. 1992.

9. Methodological Approach for Reservoir Simulation. II Latin American Petroleum

Engineering Conference, Paper SPE-23616 Caracas, March. 1992.

10. Simulation of highly deviated Well in a Naturally Fractured Reservoir. II Latin American

Petroleum Engineering Conference, Paper SPE-23614, Caracas, Mar. 1992.

11. Compositional and Pseudo Compositional Simulations Comparison for a Complex Volati le

Oil-Reservoir Modeling. II Latin American Petroleum Engineering Conference, Paper SPE -

23616, Caracas, Mar. 1992.

12. Methodological Approach for Horizontal Well Evaluation in the Lamar Field. Lake

Maracaibo. III Latin American Petroleum Engineering Confere nce, Paper SPE-26992,

Argentina, April. 1994.

13. 3D Simulation of Water-Alternated- Gas Injection (WAG) in a Complex Volatile –Oil

Reservoir. Paper SPE-39036. V Lapec, Brazil, 1997.

14. Management o W ater Alternating Gas (WAG) Injection projects. Paper SPE - 53714, VI

Lapec, 1999.

15. Development CO2 injection project in Chiguido La Salina, Argentina, 2006.

16. 16. A General Approach for Asfphaltene Modeling. SPE-107191-PP. SPE Latin American

and Caribbean Petroleum Engineering Conference held in Buenos Aires, Argentina, 1 5–18

April 2007.

Experience includes background in the following topics:

1. Alternated Water-Gas (WAG, SWAG) Injection process. Compositional and Pseudo

compositional modeling of gas condensate and volatile oil reservoirs. Equation of state

phase behavior packages for Characterization of complex fluids with composition changing

with depth. EOR, Miscible gas and Nitrogen injection.

2. Selection of locations to drill appraisal and development wells based on multidisciplinary

teamwork evaluation.

3. Simulation of steam-gas injection, cyclic steam injection, and steam flood, SAGD, including

compaction.

4. Asphaltene EOS characterization and modeling.

5. Tarmat modeling in gas condensate reservoirs using different EOS regions.

Experience includes solid ability using the following software:

1. Eclipse 100,300 for black oil and compositional simulations, and Flowgrid, VFP, PVTi

for reservoir characterization, vertical flow performance, and static model development.

2. Using GAP, MBAL and PROSPER, to build gas and oil pipeline netw ork analysis, and

forecast gas and oil reserves.

3. Use Petrel to build static model for reservoir simulation.

4. Use fraca to build interaction of matrix to fracture in natural fracture reservoirs.

5. Several Training courses for Halliburton Engineers, EOR Modeling for Naturally

fracture reservoirs, Fluid Characterization, and compositional reservoir simulation

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