Development of a corrosion inhibition model. 2: Verification of model by continuous corrosion rate measurements under flowing conditions with a novel downhole tool
Conference
·
OSTI ID:697040
- Mobil E and P US, Inc., Houston, TX (United States)
- Mobil E and P US, Inc., Guymon, OK (United States)
- Corro-Consults, Dallas, TX (United States)
- Nova Technologies Corp., Broussard, LA (United States)
- Baker Petrolite, Turpin, OK (United States)
A novel downhole corrosion monitoring system was used to monitor corrosion rates, and verify corrosion inhibitor effectiveness in the production tubing of a CO{sub 2}flood in the Oklahoma panhandle. The monitoring system was placed in the first tubing joint immediately above the electrical submersible pump. This location was deemed most corrosive, and therefore requiring the highest inhibitor concentration, due to high CO{sub 2}partial pressure, the elevated temperature, and the extremely turbulent flow. Laboratory evaluations had indicated the approximate effective inhibitor concentration required to attain the desired target corrosion rate under similar environmental and turbulence conditions. The complex problem of translating laboratory flow (high speed autoclave test) to field conditions was attempted empirically using established correlation for the rotating cylinder and tubular flow.
- OSTI ID:
- 697040
- Report Number(s):
- CONF-990401--
- Country of Publication:
- United States
- Language:
- English
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