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8/15/2019 Formation Evaluation1
1/48
8/15/2019 Formation Evaluation1
2/48
Well X-1
Data Available
• GR, Caliper
• Resistivity – RT, RXO, Deep,Medium and Micro (M!"#
• Density, $eutron %orosity C$",onic
• Core porosity and %ermea&ility
Lithology selection
1' Generate Xplot
a# onic-$eutron
onic-Density
c# $eutron-density
' )eep GR as * a+is
' Get reression line .or lo/GR (clean .ormations#
0' est matc2 /as o&served.or "imestone .ormation
8/15/2019 Formation Evaluation1
3/48
Steps
1' Calculatin X-plot porosity.rom $eutron and Density
(Call it %34$D#' Calculatin X-plot porosity
.rom $eutron and onic(Call it %34$#'
' Compare %34$D and
%34$ /it2 core porosity'0' elect %34$D .or
calculatin e5ectiveporosity (%346#
Steps
1' Calculate Clay 7olume 7C".rom GR usin GR Matri+ 89: and GR s2ale81:;'
' Calculate %346 8 %34$D –7C"
8/15/2019 Formation Evaluation1
4/48
X1
• Calculatin 2ale7ol'
8/15/2019 Formation Evaluation1
5/48
Calculatin $%OR
8/15/2019 Formation Evaluation1
6/48
Well X1 A X-%lot %orosity
8/15/2019 Formation Evaluation1
7/48
X1- ?rc2ies
8/15/2019 Formation Evaluation1
8/48
X1- Buicloo
8/15/2019 Formation Evaluation1
9/48
X1- Results
8/15/2019 Formation Evaluation1
10/48
Well X-
Data Available• GR, Caliper
• Resistivity – RT, RXO,Deep, Medium andMicro (M!"#
• Density, $eutron%orosity C$", onic
Lithology selection
1' Generate Xplot
a# onic-$eutron
onic-Density
c# $eutron-density
' )eep GR as * a+is
' Get reression line .or lo/GR (clean .ormations#
0' est matc2 /as o&served.or "imestone .ormation
8/15/2019 Formation Evaluation1
11/48
Steps
1' Calculatin X-plot porosity.rom $eutron and Density
(Call it %34$D#' Calculatin X-plot porosity
.rom $eutron and onic(Call it %34$#'
' Compare %34$D and
%34$ /it2 core porosity'0' elect %34$D .or
calculatin e5ectiveporosity (%346#
Steps
1' Calculate Clay 7olume 7C".rom GR usin GR Matri+ 89: and GR s2ale81:;'
' Calculate %346 8 %34$D –7C"
8/15/2019 Formation Evaluation1
12/48
X-2ale7ol
X-$%OR
8/15/2019 Formation Evaluation1
13/48
XA X-plot porosity
8/15/2019 Formation Evaluation1
14/48
X- Buicloo
8/15/2019 Formation Evaluation1
15/48
X – ?rc2ies aturation
8/15/2019 Formation Evaluation1
16/48
X - Results
8/15/2019 Formation Evaluation1
17/48
Well X-
Data Available
• GR, Caliper
• Resistivity – RT, RXO, Deep,Medium and Micro (M!"#
• Density, $eutron %orosity C$",onic
• Core porosity and %ermea&ility
Lithology selection
1' Generate Xplot
a# onic-$eutron
onic-Densityc# $eutron-density
' )eep GR as * a+is
' Get reression line .or lo/GR (clean .ormations#
0' est matc2 /as o&served.or "imestone .ormation
8/15/2019 Formation Evaluation1
18/48
Steps
1' Calculatin X-plot porosity.rom $eutron and Density
(Call it %34$D#' Calculatin X-plot porosity
.rom $eutron and onic(Call it %34$#'
' Compare %34$D and
%34$ /it2 core porosity'0' elect %34$D .or
calculatin e5ectiveporosity (%346#
Steps
1' Calculate Clay 7olume 7C".rom GR usin GR Matri+ 89: and GR s2ale81:;'
' Calculate %346 8 %34$D –7C"
8/15/2019 Formation Evaluation1
19/48
X
• Calculatin 2ale7ol'
8/15/2019 Formation Evaluation1
20/48
XA Calculatin $%OR
8/15/2019 Formation Evaluation1
21/48
Well X A X-%lot %orosity
8/15/2019 Formation Evaluation1
22/48
X- ?rc2ies
8/15/2019 Formation Evaluation1
23/48
X- Buicloo
X R lt
8/15/2019 Formation Evaluation1
24/48
X- Results
8/15/2019 Formation Evaluation1
25/48
Well X-0
Data Available
• GR, Caliper
• Resistivity – RT, RXO, Deep,Medium and Micro (M!"#
• Density, $eutron %orosity C$",onic
• Core porosity and %ermea&ility
Lithology selection
1' Generate Xplot
a# onic-$eutron
onic-Densityc# $eutron-density
' )eep GR as * a+is
' Get reression line .or lo/GR (clean .ormations#
0' est matc2 /as o&served.or "imestone .ormation
8/15/2019 Formation Evaluation1
26/48
Steps
1' Calculatin X-plot porosity.rom $eutron and Density
(Call it %34$D#' Calculatin X-plot porosity
.rom $eutron and onic(Call it %34$#'
' Compare %34$D and
%34$ /it2 core porosity'0' elect %34$D .or
calculatin e5ectiveporosity (%346#
Steps
1' Calculate Clay 7olume 7C".rom GR usin GR Matri+ 89: and GR s2ale81:;'
' Calculate %346 8 %34$D –7C"
8/15/2019 Formation Evaluation1
27/48
X0
• Calculatin 2ale7ol'
8/15/2019 Formation Evaluation1
28/48
X0A Calculatin $%OR
8/15/2019 Formation Evaluation1
29/48
Well X0 A X-%lot %orosity
8/15/2019 Formation Evaluation1
30/48
X0- ?rc2ies
8/15/2019 Formation Evaluation1
31/48
X0- Buicloo
X0 Results
8/15/2019 Formation Evaluation1
32/48
X0- Results
8/15/2019 Formation Evaluation1
33/48
Well X-;
Data Available
• GR, Caliper
• Resistivity – RT, RXO, Deep,Medium and Micro (M!"#
• Density, $eutron %orosity C$",onic
• Core porosity and %ermea&ility
Lithology selection
1' Generate Xplot
a# onic-$eutron
onic-Densityc# $eutron-density
' )eep GR as * a+is
' Get reression line .or lo/GR (clean .ormations#
0' est matc2 /as o&served.or "imestone .ormation
8/15/2019 Formation Evaluation1
34/48
Steps
1' Calculatin X-plot porosity.rom $eutron and Density
(Call it %34$D#' Calculatin X-plot porosity
.rom $eutron and onic(Call it %34$#'
' Compare %34$D and
%34$ /it2 core porosity'0' elect %34$D .or
calculatin e5ectiveporosity (%346#
Steps
1' Calculate Clay 7olume 7C".rom GR usin GR Matri+ 89: and GR s2ale81:;'
' Calculate %346 8 %34$D –7C"
8/15/2019 Formation Evaluation1
35/48
X;•
Calculatin 2ale7ol'
8/15/2019 Formation Evaluation1
36/48
X;A Calculatin $%OR
8/15/2019 Formation Evaluation1
37/48
Well X; A X-%lot %orosity
8/15/2019 Formation Evaluation1
38/48
8/15/2019 Formation Evaluation1
39/48
X;- Buicloo
X;- Results
8/15/2019 Formation Evaluation1
40/48
X; Results
8/15/2019 Formation Evaluation1
41/48
Well X-9
Data Available
• GR, Caliper
•Density, $eutron%orosity C$", onic
Lithology selection
1' Generate Xplot
a# onic-$eutron
onic-Densityc# $eutron-density
' )eep GR as * a+is
' Get reression line .or lo/GR (clean .ormations#
0' est matc2 /as o&served.or "imestone .ormation
8/15/2019 Formation Evaluation1
42/48
Steps
1' Calculatin X-plot porosity.rom $eutron and Density
(Call it %34$D#' Calculatin X-plot porosity.rom $eutron and onic(Call it %34$#'
' Compare %34$D and
%34$ /it2 core porosity'0' elect %34$D .or
calculatin e5ectiveporosity (%346#
Steps
1' Calculate Clay 7olume 7C".rom GR usin GR Matri+ 89: and GR s2ale81:;'
' Calculate %346 8 %34$D –7C"
8/15/2019 Formation Evaluation1
43/48
X9•
Calculatin 2ale7ol'
8/15/2019 Formation Evaluation1
44/48
X9A Calculatin $%OR
8/15/2019 Formation Evaluation1
45/48
Well X9 A X-%lot %orosity
8/15/2019 Formation Evaluation1
46/48
X9- ?rc2ies
• $o resistivity los to calculatesaturation
8/15/2019 Formation Evaluation1
47/48
X9- Buicloo
• $o resistivity los to calculatesaturation
X9- Results
8/15/2019 Formation Evaluation1
48/48