Lead Consultants

Rock Oil has group of consultants having more than 40 years of experience in oil & gas industry which includes – reservoir, geology, chemistry, production, drilling, engineering & construction etc.

Some of the lead consultants are:

Dr. Rajendra V. Marathe

Dr. Marathe possesses Ph.D in Streamline Modeling from IIT Bombay in 1995 and published his Thesis on “Applications of Potential theory to Petroleum Reservoir Engineering”. He is Master in Arts in Applied Mathematics and Master in Science in Physics. Dr. Marathe is in the Editorial Board of Journal of Petroleum Technology of SPE.

Dr. Marathe has more than 40 years of experience in E&P and field management which includes 18 years R&D in Oil & Gas Field Development & Water Flood in Tracer Laboratories, 18 years of experience in oil & gas fields operation & management with reservoir development, monitoring & management. He has developed number of reservoirs engineering application software which helped oil field development, interpretation of laboratory data and transient well test analysis. He is Sub-Sea Domain Expert of ONGC & Oil India Ltd.


Ajay Kumar Bhatia

Mr. Ajay Bhatia is Master in Science in Chemistry. He is former General Manager of ONGC and worked more than 37 years of experience in oil & gas fields. His experiences includes - 10 years of strong experience in reservoir data acquisition an interpretation using PAN Sys and FLOSYS, 10 years in subsurface management of second largest offshore field of India i.e Heera Field, 7 years of Experience in monitoring Thermal EOR Projects, 10 years of experience in implementation of IOR/ EOR projects. Mr. Bhatia has the rich experience in preparing Feasibility Reports (FR) of major offshore and onshore projects.


Dr. Sandip K. Roy:

Dr. Roy possesses Ph. D. in Deep Water Sedimentology of Andaman basin from, IIT Bombay. He is Member of SPE, AAPG, IAS and GSI.

Dr Roy is an experienced Exploration Geologist in the Oil and gas industry with wide exposure to Indian and South East Asian sedimentary basins. He is an enthusiastic Regional Geologist and Basin Analyst with special interests in Sedimentology, Sequence Stratigraphy, unconventional and studies on International Frontier basins. He has several Geoscientific papers to his credit. Dr. Roy has served ONGC for twenty one years followed by stints in BG Group (UK), Petra Energia (Brazil), Petronas (Malaysia), and Directorate General of Hydrocarbons, Government of India.