Schlumberger

Technical Paper: New Technologies Application To Solve Practical Challenges in Exploration and Development of HC in the Russian Sector of Caspian Sea

Society: SPE
Paper Number: 166862
Presentation Date: 2013
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Abstract

Hydrocarbon deposits in the Russian sector of the Caspian Sea are characterized by a considerable variety of traps in a wide stratigraphic range, substantial lateral substitution of lithological, porosity and permeability reservoir properties, variation of structural and morphological properties, fluid saturation and phase composition of hydrocarbons. Exploration and development of these fields are complicated by the fact that they are located in difficult ice conditions zone (in wintertime), in the region with the strictest environmental requirements where JSC “LUKOIL” is the pioneer in offshore projects.

To overcome successfully geological, technical and climatic difficulties JSC “LUKOIL” supported technically by “Schlumberger” applied a number of unique technological solutions concerning drilling muds, stem assemblies, geo-steering and geomechanics, wireline surveys, geological and technological surveys, fracturing, high-performance drilling bits, as well as intelligent completions, application of up-to-date high-performance tools, advanced software tools, methods of processing and interpretation of geological wireline surveys. The objective of the article is to review and to analyze these solutions.

Availability of theoretical and practical resources while implementing the project, mutually-beneficial cooperation of all interested parties together with innovative decisions supported by corporate management became a key point of success in fulfillment of capital-intensive projects by JSC “LUKOIL” in the Russian sector of the Caspian Sea.

It is obvious that there are quite serious reasons for further application of new technologies according to approved scheme: problem statement, finding solutions, planning, implementation, analysis of obtained results, recommendations working-out, and establishment of close partnership relations between project operator and multifunctional engineering company.

Further improvement of drilling technologies, optimization of hydrocarbon production, provision of the necessary facilities for field development, adaptation of intelligent field conception, geological support while well drilling, application of new scientific investigations and technologies, well logging tools without chemical sources and methods, drilling muds and bits, modeling and prognosis in real time are considered as prospective conceptual areas.

It can be said with confidence that fulfillment of the above mentioned measures and already implemented operations in the Northern Caspian region will change dramatically approaches to hydrocarbon deposits development, and will help to explore hydrocarbon potential to the full extent in the Russian sector of the Caspian Sea.

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