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OFM Well Type and DCA (How To Do!)

𝐇𝐨𝐰 𝐭𝐨 𝐀𝐝𝐝 𝐖𝐞𝐥𝐥 𝐓𝐲𝐩𝐞 𝐂𝐮𝐫𝐯𝐞 𝐢𝐧 𝐎𝐅𝐌 𝐢𝐧 𝐮𝐬𝐞 𝐟𝐨𝐫 𝐭𝐡𝐞 𝐃𝐂𝐀 Type well analyses are used to get a statistical overview of the field production from each well's production history. Typical statistical type wells are P10, P50, P90, Average, and Expected value type wells. A P10 type well is an optimistic type well. It categorizes all the wells’ production data in such a way that only 10% of the production data at that instant is higher than the P10 value. For a P10 type well, there is a 10% chance that a new well drilled in that field will have production that is greater than the P10 type well value. A similar analogy can be extended to a P50 (median type well) and a P90 (pessimistic type well). The average type well categorizes the production history based on the average production trend. Summing (0.25*p10) + (0.5*p50) + (0.25*p90) leads to the expected value.