Pressure Gradient Curves

sebasmagri · Post by **sebasmagri** » Sun Jul 08, 2007 11:15 am

Excuse me i`m needing the Pressure Gradient Curves for Multiphase Flow in wells and pipes... Do anybody have it? please send it by Email or post it...
Thnks Anyhow...

sebasmagri @ gmail . com

Amr EL-Sherazy · Post by **Amr EL-Sherazy** » Tue Jul 10, 2007 4:42 am

what do you mean with pressure gradient curves
what is the title for X values and Y values?, and what is the method that you use to calculate the pressure gradient?
i have a lot of books and software for multi phase flow calculations.

Amr EL-Sherazy
AL-Azhar University

sebasmagri · Post by **sebasmagri** » Tue Jul 10, 2007 11:04 am

i`m talking about the pressure gradient curves used to find the value of Pwf having Pwh i.e.
X values are presures and Y values are Lenghts...
All curves start in (0,0)...

muchiniku · Post by **muchiniku** » Tue Jul 10, 2007 12:48 pm

Dear Sebasmagri,
You can use MS.Excel to find it, but be carefull, you have to know specific vertical correlation and all the assumptions. Long time ago, I have run vertical well correlations to get Pwfs by using Pipesim, Winsnap. There are a lot of correlation (may be 50 or less)..If you use Ms.excel, you have to use macro, and it requires visual basic backround..But i suggest you use commercial software. It's too complicated if we create using Ms.Excel..

-muchiniku-

sebasmagri · Post by **sebasmagri** » Tue Jul 10, 2007 9:18 pm

Thanks Muchiniku...
I do know haw to get it with Pipesim becouse it`s my favorite software for production analisys... And also know the correlations to get the gradient curves... but as you know it`s a big work to get all gradient curves with multiphase flow correlations... And this curves are standarized for especific conditions like Tubing Diameter, Rate of Liquid, Flowing Temperature, GLR, etc...
I`m needing the curves becouse i can`t use software in my exams...

Amr EL-Sherazy · Post by **Amr EL-Sherazy** » Tue Jul 10, 2007 10:10 pm

dear sebasmagri
for multiphase flow correlation, it's very difficult to find a correlation applicable for all conditions. If you have a specific project conditions, so match history of this correlation with actual data will fix your results.
anyway, one correlation is not enough to get accurate results, you have to combine more than one.
send your operation conditions to the see the best correlation for it.

Amr EL-Sherazy
AL-Azhar University

vmauricio1 · Post by **vmauricio1** » Tue Jul 24, 2007 10:56 pm

which are yours password muchiniku?

muchiniku · Post by **muchiniku** » Wed Jul 25, 2007 9:25 am

Dear vmauricio1,
Sorry, what for? I don't have any document upload here that require my pass.
thx

sebasmagri · Post by **sebasmagri** » Thu Jul 26, 2007 11:08 am

i`m talking about the gradient curves of Kermit and Brown book... do anybody have it?