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  1. SaCaZu

    Minimum thicknesses between Elbows and Straight Pipe

    Greetings, ...I'd like to know if exists some criterion that let me say that the allowable minimum thickness in an elbow must be greater than allowable minimum thickness in a straight pipe for its replacement due to that the elbows are points with erosion rate higher than straight pipes...
  2. SaCaZu

    Coatings vs H2S

    Greetings I'd like to know if any of you has had some experience, tryin' to get an appropriate coating that can inhibit this kind of aggressive environment inside oil storage tanks based on carbon structural steel places (ASTM A-36). Any answer or suggestion is welcome Thanks in advance.
  3. SaCaZu

    Oil Storage in Pits

    ..I'm sorry but I can not completely paste this link so that some of you can directly check it, from all way I paste it and you copy and put it on the browser of your explorer...
  4. SaCaZu

    Oil Storage in Pits

    ...According to this quote: Texas Administrative Code Whenever hydrocarbon or geothermal resource fluids are encountered in any well drilled for oil, gas, or geothermal resources in this state, such fluid shall be confined in its original stratum until it can be produced and utilized without...
  5. SaCaZu

    Oil Storage in Pits

    ...Greetings Friends. I'd like to know if there's some international code that forbids the usage of pits to store oil. Thanks in advance.
  6. SaCaZu

    Requered Minimun Thickness en Plates

    Greetings. ..What minimum thickness should I use to decide that plate is refused or not? For Example, If I'm testing a 1/4" plate from outside drum of a boiler (Mitchell, 11 ton), could I refuse a plate when its thicknesses are equal 50% or below this one? is there some code that lets me know...
  7. SaCaZu

    Question about Tank Repair

    Unclesyd, It's a tank 500 bls, Height 5 mts, Diameter 4.57 mts. The pitting is located inside tank first wall. Now I've one doubt, if I had a pitting (perforation) in the tank bottom near (aprox 2 cms) the joint between the bottom and shell. what should I do? to replace that plate or I...
  8. SaCaZu

    Question about Tank Repair

    Greetings If I'm going to repair an oil tank who owns localized pitting in its first plate and I decided to install a plate on this one. where should I put this plate, in or outside of tank shell? thank in advance.
  9. SaCaZu

    Wire Rope and Stack.

    Greetings. I'm lookin' for some code or specification that indicates how to select the diameter and longitude from an wire rope according to stack height installed an oil-field heaters. I know that there's calculations which take some variables like wind velocity, but is there any code that...
  10. SaCaZu

    Doubt about Hydrostatic Test in API 653

    1.- The Code API 653 explains us about an Hydrostatic Test (Section 4.3.3.2), but I've one doubt related with this definition. It's to say, The hydrotest applied in a tank to determine its welded joints or hermetic structure is opened like an atmospheric tank? 2.- is It correct to...
  11. SaCaZu

    Heat Exchanger (Steam and Oil)

    as The tittle indicates it... Is it logical to think that the steam shall always flow outside tubes if its purpose is to warm the oil? Does TEMA support it? I guess that the steam flows by outside due to its high temperature and pressure. I don't know if I'm wrong but I believe to...
  12. SaCaZu

    API 660 8 th Ed. is out

    gr2vessels I'm sorry if my previous replies (questions) or posts didn't follow the rules of this forum. I thought that this forum worked like others recovering old posts to follow the discussion but as you see, I'm new in here.
  13. SaCaZu

    MAOP < Design Pressure ???

    I've read that Design Pressure can be used instead of MAOP in B31.G for the calculations...is it possible? Thanks.
  14. SaCaZu

    Fittings Corrosion and B31.G

    I've been studying this code and I'd like to know if: Is it a conclusive method to determine if a pipeline can be put out-service or repair according to results obtained during its analisis or procedures?..acording to limitations and scopes are clearly understandable that not...but I thank if...
  15. SaCaZu

    Painting before hydrotest

    But is It neccesary to apply painting before an hydrotest? or is it a procedure to gain time due to few leakages that could happen according to reliable results of RT? Thanks.
  16. SaCaZu

    Doubt about Hydrostatic Test in API 653

    Greetings. 1.- When does API 653 explain about Hydrostatic Test (Section 4.3.3.2), it's mixing terms between Hydrostatic and Neumatic Test in one or the hydrostatic test'll be used without internal pressure like if it was an atmospheric tank? 2.- is It correct to completely fill until the...
  17. SaCaZu

    API 660 8 th Ed. is out

    I've also got API 660/ISO 16812, But I'd like to know if you have at hand TEMA Standards 8th Edition because I'm carryin' out an investigation related to Shell-and-Tube Heat Exchangers based on Steam and Oil. One doubt, is it indifferent the position of flow entrance tube in shell or must be...

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