Tests show best corrosion inhibitors for high pressure, temperature pipeline

Autoclave tests have determined corrosion-inhibitor effectiveness under the severe flow conditions anticipated for a pipeline to serve Texaco North Sea UK Co.'s Erskine field, the North Sea's first high pressure, high-temperature field. Production will begin later in 1997. The tests evalua...

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Bibliographic Details
Published in:The Oil & gas journal 1997-05, Vol.95 (18), p.96-107
Main Authors: FARQUHAR, G.B, KANE, R.D, ABAYARATHNA, D, SANDERS, D.H
Format: Magazinearticle
Language:English
Subjects:
Applied sciences
Calibration
Carbon steel
Corrosion
Corrosion inhibitors
Crude oil, natural gas and petroleum products
Efficiency
Energy
Exact sciences and technology
Flow control
Flow velocity
Fuels
High pressure
High temperature
Hydrocarbons
Inhibitors
Laboratories
Oil fields
Pipelines
Reynolds number
Shear stress
Simulation
Solvents
Studies
Temperature
Testing
Tests
Transportation and distribution of crude oils and liquid petroleum products. Ships. Pipelines. Terminals. Service stations
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Summary:Autoclave tests have determined corrosion-inhibitor effectiveness under the severe flow conditions anticipated for a pipeline to serve Texaco North Sea UK Co.'s Erskine field, the North Sea's first high pressure, high-temperature field. Production will begin later in 1997. The tests evaluated the inhibitor's performances over extended time and under varying conditions of flow-induced wall shear stress and closely simulated Erskine pipeline environment. The performances of these two inhibitors were determined on both conventional X-65 and a new 0.5% Cr-enhanced X-65 steel at inhibitor doses of 100 and 250 ppm. Results of the study in high pressure, high-temperature autoclave tests established that it was possible for only certain commercially available inhibitors to be thermally stable at anticipated maximum pipeline operating temperatures of approximately 300 degrees Fahrenheit.
ISSN:0030-1388
1944-9151