Design of Smart Wellhead Controllers for Optimal Fluid Injection ...
Design of Smart Wellhead Controllers for Optimal Fluid Injection ...
Design of Smart Wellhead Controllers for Optimal Fluid Injection ...
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8M. Nikaravesh, M. Soroush, R. M. Johnston, T.W. Patzek SPE 37445_____________________________________________________________________________________<strong>Injection</strong> Pressure, psi<strong>Injection</strong> Rate, BSPD CWE15 Days <strong>of</strong> Steam <strong>Injection</strong>Fig. 5. 30-second measurements <strong>of</strong> injection rate and wellhead pressure in 553AR. Note that sporadicpressure upsets cause injection rate spikes up to three-times the average.6055Cum Steam <strong>Injection</strong> MBS, CWE504540353025201510500 5 10 15 20 25Square Root <strong>of</strong> Days on <strong>Injection</strong>Fig. 6. The cumulative steam injection in 553AR-33 (upper curve) compared with that in IN2L-29 in thePhase II Pilot. Note that after 460 days on injection, both cumulatives are the same, but IN2L injects at amuch higher rate because it linked with the nearby producer, 543P-29.
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