Fajriani, Masithoh Al (2023) Analisa Penurunan Data Produksi Pada Sumur L Dengan Metode Dca Dan Software Mbal Untuk Menentukan Cadangan Minyak Di Lapangan Mst. Other thesis, Universitas Islam Riau.

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Abstract

This calculation uses the Microsoft Excel Trial Error & Chisquare Decline Curve Analysis Method and the Mbal Decline Curve Analysis Software. Decline Curve is a method for determining the potential of carbon contained in a reservoir (field) based solely on production data consisting of: production rate, cumulative production and production time. Thus the method of decreasing production (Decline Curve) can be applied if a field has been in production for a long time. In general, Decline is divided into 3 (three) types, namely Exponential Decline, Hyperbolic Decline, and Harmonic Decline. Based on the price of its Decline exponent or better known as "b". Price b ranges from 0 to 1. If price b = 0 then the type of curve is Exponential Decline, if price is b =0,1-0,9 then the type of curve is called Hyperbolic Decline and if price is b = 1 the type of curve is Harmonic Decline. Decline analysis is commonly used by engineers for the safety of residual stock Reserves in some abandoned conditions, and for increasing future production. The decrease curve for this calculation uses the trial error method & chisquare with Microsoft Excel and by using Mbal software. Based on the results of data calculations on the MST field, the Reserve value obtained using Decline Curve Analysis is 106 MSTB, Estimated Ultimate Recovery (EUR) For the Decline Curve Analysis method is 1.64 MSTB then using Mbal Software the Reserve value is 106 MSTB, Estimated Ultimate Recovery (EUR) For the Mbal Software method is 1.64 MSTB. Production History of 1.54 MSTB. In this study the use of the Trial Error & Chisquare method and the Mbal software. The use of the Decline Curve Analysis Method has better results.

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