Exam1Key 2006 - PGE 331 Exam 1 Key Open book notes Read...

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PGE 331 Exam 1 Key Open book, notes. Read each problem carefully and show all work, including units. One hour time limit. Indicate your class unique number on the paper below your name: 19320 10-11 am 19325 1- 2 pm 1. Manipulating Production Data. The following table gives the daily rate at the end of the month production of gas, and water from a single well. (The first data entry is after one month, etc.) There was no production before the first table entry. Gas rate, Mscf/day Water rate, stb/day Cumulative gas produced Cumulative water produced Gas-water ratio Cumulative gas-water ratio 12,000 300 11,000 340 9,000 400 a (25 points) Calculate the values for the remaining columns. Be sure to give the correct units. The values are shown in the table below, which used the trapezoidal rule for the integration. Gas rate, Water rate, Cumulative gas produced, Cumulative water produced, Gas-water ratio, Cumulative gas- water ratio, Mscf/day stb/day  MMscf  Mstb MMscf/Mstb MMscf/Mstb 12,000 300 366 9.15 40 40 11,000 340 3873.5 106.75 32 36 9,000 400 6923.5 219.6 23 32 The units are shown in the table heading.
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