Systematic Design For Offshore Oilfield Development

Morooka, Celso Kazuyuki (State University of Campinas, UNICAMP) | Galeano, Yadira Diaz (State University of Campinas, UNICAMP)

OnePetro 

ABSTRACT The development of an oilfield involves several aspects of engineering. These aspects are related with the field data and the operational environment such as drilling program, the sizing of the system that will support production and definition of oil and gas lift methods. Generally, design and planning of an oilfield development are based on maximization of oil recovery with operational and capital costs minimized. In the present paper, a systematic design and planning procedure to develop an offshore oilfield and to evaluate attractiveness of an oilfield is described. The present method considers the concept of design spiral to coordinate the several aspects of the development and hierarchical decision method to make necessary decisions. The design spiral method is largely applied in the literature for ship design purpose and the hierarchical decision was originally used in the field of economic planning. Finally, comparative study is made in order to evaluate the present method with those available in the literature. The main conclusion is that the offshore oilfield development needs a rational design and planning, and the present method is very suitable for this purpose. INTRODUCTION Recent technology developments for improving efficiency of offshore oilfield exploration and production should be one of reasons for the growth of worldwide hydrocarbon reserves. These oilfields are placed in very diversified environments and geographic locations in the world. They are affected by a large variety of environmental conditions, spreading from frozen regions as in the Arctic and severe seas as in the North Sea to ultra deep water in tropical seas as in Brazil and Gulf of Mexico. Then, a rational project development which maximizes oil and gas recovery of the oilfield at a minimum cost, in a systematic approach, appears as a key of success for hydrocarbon production business.

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