Dear All
Doubts on use of 17-4 PH steel in sour service especially for valve stems.
1) Do the word "valves" mentioned in title text of Table A.27 of NACE MR 0175 is related to the valves in wellheads/Xmas tress/packers/subsurface equipment OR valves anywhere in oil and gas processing...
thread338-286488
@tag10 (Mechanical)(OP)
I am interested to know about the final design of the CO2 export pipeline. As long as the CO2 is in supercritical stage, no water drop out is expected. But, how the start-up and shut down conditions were managed i.e., if the pressure & temperature...
thread338-310345
Dear All,
I have come across the following paper
"Environment-Assisted Cracking of Corrosion-Resistant Alloys in Oil and Gas Production Environments: A Review by P.R. Rhodes"
There are two figures in the above papers (attached) Figure 23 and Figure 24 indicating the effect...
thread338-262770
The remarks column in Table A.13 of ISO 15156-3 permitting to use annealed alloys of Type 4a (Alloy 825) in sour environment without restriction on temperature, ρH2S, chloride concentration and in situ pH. But it is also indicating that no limits on individual parameters are...
Dear All
Can anyone share information on selection and field experience of soft iron gaskets in subsea pipelines in wet crude/gas, gas lift and treated seawater injection services.
Krishnnaa26
