PVT Analysis Discussion

[Bang Gaol]

Hey guys,
I'm working a project using prosper, now. I have several basic questions regarding the PVT data. I've read the manual, yet I couldn't find any information.
What I'd like to discuss with you is about PVT. I still confuse about using the data from PVT analysis data (not analyzed by software yet), which sample we should use? From separator or wellhead sample, or any other reference?

And, if we have several PVT data which is taken on the same spot, how do we compile them all? Can we take the average mole% of the components?
How do we get the salinity of water?

If you guys have the reference books or papers, I hope you can share them here.
Thanks.


Regards
e4s_air@yahoo.com

[Bang Gaol]

Can anybody share or discuss this topic?

[tiger842002]

Dear Bang Gaol :

The type of the reservoir fluid mainly effects on the samples should be taken for analysis, for example for gas condensate reservoirs it is highly recommended to take separator oil and gas samples and then doing physical recombination in the Lab. and that also the same for high GOR fluid on contrarily for low GOR fluid the choice of mono phasic sample (Wellhead , Bottomhole) is recommended

Hoping this contribution will be useful for you but wait another replies from the experts in reservoir engineering which they are a lot here in our great forum

[ELgharib]

Hey Bang Gaol,

Is it an oil reservoir or a gas condensate reservoir.?

[ibro]

@ tiger842002
not complusory to take sample samples at the separator. it depend of the sampling philosopy of the company.Sampling at the seperator is the cheapest method but it is more prone to errors when recombining. Most companies take downhole samples they are more representative of the fluid.
@BangGoal
dont use prosper 2 much so cant help.im better with Pvtsim. You should have a detailed pvt report which states the best fluid to use.(most of the pvt reports are downhole samples). Basically wit PVT software you input the fluid into the software package and tune the properties in the software to get a best representation of the pvt report.

[Bang Gaol]

@tiger842002: Thank you for the share. I know it depends on the result (the best one).

@ELgharib: it's gas condensate (let's say dry and wet gas) reservoir.

@ibro: Is it true if it depends on the company policy, since I haven't seen any statement like that in the report? I already discussed with other REs if there ain't no such statement. Can you share more?
And can you share the reference about the PVTSim? I never use it, although I have it installed in my computer.

Thanks all, look forward for another reply.

Regards

[StayshAMl]

Its a fantastic idea indeed to share the live trading discussion ,actually yesterday I looked at this part and was thinking about opening the thread .shortly I will open that as me out from my hometown now .

[ahmedm]

you might use the winprop in CMG to analyze your PVT based on the composition



thanks

[Shakespear]

[link Point to another website Only the registered members can access]
It will take a bit of time, but this series of lectures on PVT will be well worth the time taken to listen to. Do It

[dev_r]

[link Point to another website Only the registered members can access]
It will take a bit of time, but this series of lectures on PVT will be well worth the time taken to listen to. Do It

Hello,

H mentions some course handouts and other supportive materials, is it possible to obtain them?

Thx.

Dev_r

[Shakespear]

Unfortunately the 4share account (not mine) does not appear to have it :-(

[Shakespear]

This may be of interest to some of you

[link Point to another website Only the registered members can access]