Figure 16.
The line graph plots pressure from 0.50 to 2.50 megapascals against time from 0 to 70 minutes for C H 1, C H 2, C H 3, C H 4 and C H 5. Near the start of spinning, C H 2 rises to about 2.18 megapascals, while the other series settle between approximately 2.03 and 2.09 megapascals. The pressures then remain nearly steady. Near 34 minutes, opening the wellbore produces a brief rise in C H 1 followed by recovery. Near 43 minutes, the series decrease slightly, with C H 2 remaining highest at about 2.15 megapascals and the others near 2.02 to 2.06 megapascals. At production near 53 minutes, all series fall sharply. They pass approximately 1.45 to 1.60 megapascals near 55 minutes and continue decreasing to approximately 0.92 to 1.04 megapascals near 64 minutes.Evolution of pressure within the GeoTriax during the spinning and opening the wellbore