Recent content by demsha

Thanks for all answers. To answer Sjones comment, Google doesn't give leads to specific areas of corrosion I am looking for. I am looking SAGD SWD casing and tubing corrosion problems. Thanks

Thanks for the information. But it doesn't help me.

Dear friends, I am working on the Well Integrity Management Program for SAGD wells. Can anyone suggests where I can find information on [highlight #FCE94F]corrosion of saltwater disposal wells? including casings and downhole tube[/highlight] Appreciated

Hello All; A pressure vessel was constructed with SA 516 Gr.70 has undergone PWHT initially in 1975. How many times the vessel could undergo repair & PWHT in its lifetime? Are there any maximum times can anyone do PWHT? Will metallurgical changes occur during subsequent PWHT? Where I can find...

Dear All; Can anyone tell me, whether UT crawler could be used to measure the thickness of 2205 Duplex steel surface? Thanks in advance

It is the Flag thickness. NOT flange thickness. I think flag thickness mean tmin for given pressure and temperature

Hello All, Can anyone let me know; How to Calculate flag thickness in Pressure vessel and tank? Thanks in advance

Thanks a lot for all of your feedback. My question is if the original code doesn't mention in-service leak test at all, how we can verify the integrity of the vessel? We did 100% MPI after the repair. Is this good enough?

Hello All; We had an average size of repair completed on an internal attachment to shell of a pressure vessel. The defect area was ground smoothly and filled with proper weld procedure. Subsequently, the area was examined by 100% MPI. No defects were found. Hydro test was not done due to...

The thickness of the plate is 1/4". During April 2013 shutdown never experienced any bulging of these plates but found in September 2014 shutdown. Besides this digester has been in the service since 1972.

Hello everyone, Vertical plates which supports downwards trend of the flow in digester (pulp and paper making) has been bulged. Those bulges are quite large. The plates made of 304L SS. The temperature in this area falls between 300 - 320 F. Can anyone tell me what was cause for bulging to...

Hello everyone, I need to weld channels which hold the plate as shown in the picture to the Chiller support. The welding method is SMAW using 7018 rod. My concern, will there any damage to the CuNi 90/10 cooling tubes adjacent to welding of these channels? Appreciate for early response. Demsha

Hi All; In some columns of my house the contractor has not cut off the excess reinforcement steel bars. They are sticking out of the column. I presume they will get rusted over time. My worry is; Could that rust penetrate inside the concrete? What should I do to prevent it from going inside? My...

Hello All, Can anyone tell me The Damage Factor described in API 581 could be used to identify the damage mechanism? Thanks for responses in advance.

Thanks a lot for responses