Analisis Keekonomian Dan Sensitivitas Stimulasi Kombinasi Coiled Tubing Dan Bullhead Terhadap Nilai Laju Alir Produksi Minyak Pada Sumur Horizontal

Duistiana, Riska (2022) Analisis Keekonomian Dan Sensitivitas Stimulasi Kombinasi Coiled Tubing Dan Bullhead Terhadap Nilai Laju Alir Produksi Minyak Pada Sumur Horizontal. Diploma thesis, Universitas Islam Riau.

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Abstract

Production declines often occur in Indonesia's oil and gas fields, which are problematic for oil well exploration. So that the role of the company demands to be able to optimize the rate of oil production in the oil and gas field again. One of the workover jobs is stimulation. The work is carried out mechanically and chemically with the aim of increasing productivity which has decreased oil production, which stimulates mechanically in the form of coiled tubing units and bullheads using chemical stimulation, namely acidizing and solvent. In order to prove the economics of the coiled tubing unit and bullhead stimulation work, it is possible to calculate and analyze economic indicators such as net present value (NPV), internal rate of return (IRR), pay out time (POT). Where this study aims to determine the economics of the stimulation project carried out on horizontal wells in the RD field. The results of the calculation of economic indicators that will be feasible, unlike this stimulated workover project with an investment in coiled tubing acidizing wells US$133,053, oil price 68.51 US$/bbl, the calculation of NPV@JO% 60631 US$, POT 0. 74 months, Pl 9.73, IRR 355%, solvent coiled tubing well US$ 185,967,166 NPV@l0% 98,431 US$, POT 3.94 months, Pl 3.69, IRR 103%, bullhead acidizing well US$ 8858.31 NPV value @10% 218029 US$, POT 0.95 months, PI 45.16, IRR 1890% and bullhead solvent wells US$ 72745 NPV value@JO% 248586 US$, POT 0.94 months, PI 52.53, Rp 1822 %. Sensitivity analysis on workover stimulation is done by changing the assumptions with 85% and 115% then the results obtained are the value of oil prices is the parameter that has the most influence on the NPV value, then oil production, and capital expenditures. From the results of the profit calculation and sensitivity analysis, it can be said that the work carried out will stimulate the RD of all work that is feasible to do because it meets the requirements ofa project.

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