Petrophysics/Formation Water Analysis

**usaf** · 08-08-2009, 06:48 AM

1. Could anyone help me how to calculate the petrophysical parameters like a, m & n??
2. What average values can we use for sandstones and Limestone??
3. Anything to share regarding "Formation Water Analysis"??

Thanks

**dell001** · 02-02-2010, 11:13 AM

Hi UASF,

are you a student?

best regards
Dell

**usaf** · 02-02-2010, 01:05 PM

yes i'm

**b2009** · 05-02-2010, 07:46 PM

Originally Posted by usaf

1. Could anyone help me how to calculate the petrophysical parameters like a, m & n??
2. What average values can we use for sandstones and Limestone??
3. Anything to share regarding "Formation Water Analysis"??

Thanks

Hi, usaf.

In unconsolidated/moderately consolidated sands: a = 0.62; m = 2.15
In consolidated sandstones: a = 0.81; m= 2.0
In carbonates (limestones and dolomites): a = 1.0; m = 2.0 to 2.3

n = 2.0, if no accurate measurements on cores are available.

**abdou2403** · 11-20-2011, 04:16 PM

Dear everyone;

I want to know the reasons for low resistivity reservoirs and how to deal with such reservoirs??.

Any one can help to find IP V.4.0 Cr@k.

Regards