Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volumes 3-4American Society of Mechanical Engineers, 1992 - Arctic regions |
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Page 510
... sour crude oil . In this experiment , the sour crude oil containing 400 ppm H & S was prepared by bubbling a mixed gas of 4.7 % H.S and nitrogen through the crude oil of 1.6 in a test chamber at a rate of 12 / h during the corrosion ...
... sour crude oil . In this experiment , the sour crude oil containing 400 ppm H & S was prepared by bubbling a mixed gas of 4.7 % H.S and nitrogen through the crude oil of 1.6 in a test chamber at a rate of 12 / h during the corrosion ...
Page 511
... Sour crude oil ( H2S400ppm ) , 0.17Hz content and a decrease of water content and pH value in sour crude oil ( HS 400 ppm ) after conducting crack propagation tests for about 400 hrs . No obvious reason of these changes in the sour crude ...
... Sour crude oil ( H2S400ppm ) , 0.17Hz content and a decrease of water content and pH value in sour crude oil ( HS 400 ppm ) after conducting crack propagation tests for about 400 hrs . No obvious reason of these changes in the sour crude ...
Page 512
Axial stress ( MPa ) 10μm crude oil ( H , S 400 ppm ) and in air . In higher stress range of S - N curves , the influence of sour crude oil ( HS 400 ppm ) was observed obviously . Corrosion pits were not observed at the initiation area ...
Axial stress ( MPa ) 10μm crude oil ( H , S 400 ppm ) and in air . In higher stress range of S - N curves , the influence of sour crude oil ( HS 400 ppm ) was observed obviously . Corrosion pits were not observed at the initiation area ...
Contents
WELD METAL AND HAZ PROPERTIES | 1 |
ADVANCES IN STEEL AND WELDING | 65 |
Development of HSLA Steel With 80Ksi Yield Strength for Offshore Tubular Applications | 73 |
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alloys analysis applied assessment ASTM austenite axial load base metal behaviour bending bolt bolted joint brace brittle calculated cathodic protection CGHAZ chord composite crack depth crack growth rates crack propagation CTOD curve defect diameter distribution duplex effect elastic elastomers electrode energy equations experimental failure fatigue crack growth ferrite finite element fracture mechanics fracture toughness geometry grain heat affected zone heat input HSLA steels hydrogen hyperbaric increase interaction Materials Engineering ASME metal yield strength method microstructure nitrogen notch obtained Offshore Structures OMAE parameters pipe plastic plate predictions preferential corrosion pressure procedure properties ratio region seawater shielding gas shown in Figure simulated solution sour crude oil specimens stainless steel stiffener strain stress concentration stress intensity factor stress range surface Table temperature thermal cycle thickness thread titanium tube tubular joints underwater values weld toe welded joints weldment wire yield strength