Analisis Performance Bit Menggunakan Diamond Bit dan Roller Cone dengan Metode Specific Energy Pada Lapangan LD Sumur D12 dan D19

Susanti, Liza Despika (2019) Analisis Performance Bit Menggunakan Diamond Bit dan Roller Cone dengan Metode Specific Energy Pada Lapangan LD Sumur D12 dan D19. Other thesis, Universitas Islam Riau.

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Abstract

LD field consists of 5 formations. The most important product that produces oil comes from the DR Formation and BK Formation, with around 51% OOIP in LD Field. Each formation has different rock hardness levels, to make wells of course it will also use different bits, according to the formation that will be penetrated. From these indications, it will be analyzed the performance of the drill bits that have been used in the LD field, namely in wells D12 and D19. In the D12 well, the performance of the Diamond Bit drill bit will be analyzed. At a depth of 0 to a depth 2.500 ft. Whereas the well D19 will be evaluated for the performance of the Roller cone Bit drill bit. At a depth of 0 to a depth of 2.385 ft. The analysis is used with the Specific Energy method. From the analysis of performance bits to formations, in wells D12 and wells D19, the penetrated rocks are soft, medium to hard formations. For diamond bits from the specific energy bit method 17 1/2 has a low SE price because of the formation penetrated by the soft category. Running 2 to 5 shows prices that are starting to rise. At running 6 to 10 indicates a larger SE price. For roller cones, bits when running first have a low SE price. Running 2 to 6 or showing prices that are starting to rise. At running 7 to 10 indicates a larger SE price. And the result of a comparison of the value of the diamond bit and the roller bit cone that is better is the diamond bit because it can penetrate the deep and harder formations.

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