Articles

The Determination of Maximum Flow Rate in Well X Layer Y Field Z

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The field development target which usually in field X are mostly carried out in gas reservoirs over time, in several candidate wells gas reserves have started to run low so that the remaining oil reserves and pressure in the reservoir naturally decrease or natural depletion. This is due to continuous production of gas reserves. One of the wells that has the biggest potential for oil reserves in field X is well A9. In this study, the maximum flow rate was determined in the A9 layer A well in field X with a skin value of 10 using manual calculations. From manual calculations on the condition of well X with skin 10 Qmax Well X from the IPR plot results with manual calculations is 25.87 bbl/day with a PI value obtained 0.009371 stb/d/psi meanwhile in well condition X without skin the Qmax value obtained is 40.12 bbl/day with a skinless J value of 0.01457 stb/d/psi. From the determination of IPR on ECRIN, the Qmax value in well X without skin is 43.08 bbl/day, meanwhile in the condition of well X with skin 10 the Qmax value obtained is 25.84 bbl/day

Capacity Planning of New Product in PT Perkebunan Nusantara VIII (Oolong Tea)

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In early 2021 PTPN VIII began producing a new product based on consumer demand, namely oolong tea, within an estimated contract worth IDR 6.000.000.000 of 150 tons. Thus, the firm should be prepared related to the garden and the factory to produce the oolong tea. This research uses a quantitative descriptive method by analyzing the capacity of the garden to provide the raw material for oolong tea; in the process of oolong tea production, the garden can provide 2.5 tons per day, exceeding the calculation of 1.9 tons. However, the machine used for the production process is inadequate. The machine’s capacity is only available to produce 106.78 tons per year, which is below consumer demand. It requires the firm to add three rotary dryer machines. Adding three machines meant oolong tea production reached 150 tons only in 13 hours and 25 minutes. Adding these machines also requires the firm to invest as much as IDR 540,000,000; by this investment value of the machine, the payback period will return in 4,4 years with the machine durability more than 25 years.