Contact Information

  • Ladimir Riera
    (832) 374-0122


Highly motivated knowledgeable Reservoir Engineer-Senior Advisor with extensive experience in the oil and gas industry in production and exploration area evaluations. Proficient to evaluate oil and gas reservoirs (conventional and unconventional). Merger and Acquisition (M&A) Abandonment and Divesture (A&D) including Gulf of Mexico and GOM regulatory documentation approvals, Offshore Canada, Alaska, South America (Atlantic), and West Africa, Permian, and Eagle Ford. Experience in working with EOR and IOR strategies optimization including water injection, gas lifting, sub-sea pumps (ESP), RTA and DFTI for unconventional reservoirs. Experience in Offshore reservoir analytical approach for GOM and in Onshore reservoir analyses for unconventional (Permian, Eagle Ford and Bakkens basins). Universally understanding of subsurface concepts (geology and geophysics) in the geoscience area, well planning, operational and technical support, production forecasts by using analytics tools or numeric tools (simulators), completion and production operations, database analytics and management. Demonstrated ability to work as part of a team or independently to deliver projects in the given time frame with high technical expertise. Recognized for being highly skilled at work, self-motivated and problem solving. Known for consistent performance with the ability to deal effectively with challenges and perform under pressure. Member of the Society of Petroleum Engineers.


Katy, Texas (West Houston Area)


YHW Solution LLC – Houston, Texas 08/2017 – present
Reservoir Engineering Advisor. Consultant

HESS CORPORATION – Houston, Texas 04/2014 – 11/2016
Senior Reservoir Engineering Advisor. Pre-developments-Exploration

PETROBRAS AMERICA, INC. – Houston, Texas 12/2006 – 04/2014
Senior Reservoir Engineer. Walker Ridge Asset in the Gulf of Mexico

PETROBRAS ENERGIA, S.A. – Argentina 08/2005 – 12/2006
Senior Project Engineer. ProAni Project

PETROBRAS VENEZUELA. Venezuela 11/2000 – 08/2005
Reservoir Engineering Team Lead. Reservoir Engineering Management

ARCO PRODUCCION DE VENEZUELA. Venezuela 02/1999 – 06/2000
Senior Reservoir Engineer. Reservoir Engineering Management

ARCO AE&PT-Plano, TX 02/1998 – 2/1999
Senior Research Reservoir Engineer. Engineering Technology


Reservoir characterization | 3D Flow Simulation Model (PETREL RE, ECLIPSE, RUBIS, REVEAL) | Hydrocarbon Resource Optimization | Reserve Estimates and Evaluations (SEC and PRMS) | Well Reservoir Engineering Design (vertical, horizontal, slanted) | IOR/EOR| Material Balance (MBAL, PROSPER, GAP) | Well Workovers and Stimulation Proposals | Reservoir Development Plans | Reservoir Project Portfolios | Reservoir Project Management | M&A | A&D | GOM Regulatory Approvals| PVT Simulation and Interpretation (PVTp, CALSEP, PVTsim) | Special Core Analysis Data Interpretation | Well Testing such PTA RTA Analysis (SAPHIR, TOPAZE) | MDT Analysis | OFM | MS Office Suites | Technical Reviews | Project Budgeting | Financial Analysis | Portfolio Management | Cristal Ball Montecarlo Analysis | SAP PS | PETROLOOK | ARIES | PHDwin | Data Analytics SPOTFIRE | Enverus (Drilling Info) | IHS | PETRO VR | Mentoring Younger Engineers


B.S Petroleum Engineering