DrilSmooth-SilicateShale Inhibitor
Project Update
Background
Project #
Lab Tests
XRD-Minerology
HOU-0092
HOU-0103
Shale Control
TT-27Z Cuttings
Additives for MMO
HOU-0109
Gasplus
Cuttings
✓
✓
CST
Linear Swelling
Clay Recovery
Bulk Hardness
✓
✓
✓
✓
HOU-0107
Shale Inhibition
Using Silicate Fluids
✓
On-going
✓
✓
✓
2
TT-27Z Cuttings
3
Gasplus Cuttings
SHEWSHAW-2A well in Tanjero
SH-2A well in Kolosh
4
Mineralogy: TT-27Z Well in Kolosh T3
5
Mineralogy: SHEWSHAW-2A Well in Tanjero
6
Mineralogy: SHEWSHAW-2A Well in Tanjero
7
Mineralogy: SH-2A Well in Kolosh
8
Mineralogy
Formation0
Well
Depth (m)
NON-CLAYS
Quartz
Feldspar
Plagioclase
Calcite
Dolomite
Siderite
Halite
Pyrite
Total non-clays
CLAYS
Kaolinite
Smectite
Illite
Chlorite
Muscovite
Total clays
TOTAL
Kolosh T3
TT-27Z
Tanjero
SHEWSHAW-2A
1800237523851805
2380
2390
13641370
14001405
Kolosh
SH-2A
17451800
17801785
17851790
Sample #1
Sample #2
2.2
7.3
5.9
9.3
4.4
1.9
0.1
0.9
32.1
0.1
6.8
7.5
5.5
2.6
2.2
0.0
1.1
25.8
0.8
12.3
8.5
5.8
2.9
2.8
1.4
1.5
35.9
2.6
7.3
9.6
9.9
3.1
2.2
1.9
1.3
37.8
2.8
8.2
11.0
9.3
3.1
1.7
2.2
1.3
39.7
1.6
8.1
10.2
3.8
3.1
2.2
2.1
1.4
32.6
4.2
7.7
11.6
6.9
3.6
1.7
0.9
1.5
38.1
0.9
6.9
15.7
3.3
2.7
1.8
0.9
1.2
33.4
1.6
6.4
10.5
3.2
2.7
2.2
1.0
1.3
28.9
1.3
8.1
14.2
3.0
2.2
1.7
0.9
1.4
32.9
3.2
15.5
7.0
40.5
1.6
67.9
100.0
5.6
17.1
11.0
40.6
0.0
74.2
100.0
4.9
20.1
3.5
35.6
0.0
64.1
100.0
3.5
13.5
1.3
40.6
3.2
62.2
100.0
3.2
13.6
1.8
40.8
0.9
60.3
100.0
4.0
19.5
3.8
40.1
0.0
67.4
100.0
3.9
14.0
2.0
42.0
0.0
61.9
100.0
4.8
16.3
3.9
41.7
0.0
66.6
100.0
5.0
20.4
2.8
42.9
0.0
71.1
100.0
4.8
20.1
3.0
39.3
0.0
67.1
100.0
9
Bulk Hardness: TT-27Z
Fluid
Bulk hardness, in-lb
Unexposed
DI Water
MMO
3% MMO-AS
3% Glymax
4
1
1
1
2
10
CST: Gasplus Cuttings
Sample
Tanjero
Kolosh
Fluid
CST #1 (s)
CST #2 (s)
CST #3 (s)
Avg. CST (s)
DI water
73.9
57.0
84.1
71.7
MMO + 1 lb/bbl MMO-AS
2734.7
2973.3
>3000
>3000
1 lb/bbl MMO-AS in DI water
21.6
21.3
21.1
21.3
2 wt% QmaxDrill
17.8
18.2
18.8
18.3
55 lb/bbl sodium silicate
127
153.8
134.2
138.3
DI water
32.8
35.4
37.2
35.1
MMO + 1 lb/bbl MMO-AS
3187.3
3146.5
>3000
>3000
1 lb/bbl MMO-AS in DI water
15.0
16.1
15.8
15.6
2 wt% QmaxDrill
15.7
15.8
13.4
15.0
55 lb/bbl sodium silicate
54.7
64.9
49.2
56.3
11
Linear Swelling: Gasplus Cuttings
SH-2A well in Kolosh
SHEWSHAW-2A well in Tanjero
12
MMO+3%
MMO-AS
MMO+1 lb/bbl
MMO-AS
MMO+3% KCl
MMO+3%
Glymax
MMO+3% Liquid
Gilsonite
0.9899
0.9899
0.9899
0.9899
0.9899
0.9899
Bentonite, lb
5.5
5.5
5.5
5.5
5.5
5.5
Soda Ash, lb
0.5
0.5
0.5
0.5
0.5
0.5
2
2
2
2
2
2
PRIMO MMO-D, lb
0.55
0.55
0.55
0.55
0.55
0.55
PRIMO MMO-AS, lb
-----
10.8
1
-----
-----
-----
KCl, lb
-----
-----
-----
10.8
-----
-----
Glymax, lb
-----
-----
-----
-----
10.8
-----
Liquid Gilsonite, lb
-----
-----
-----
-----
-----
10.8
Mud weight, lb/gal
8.46
8.46
8.46
8.46
8.46
31/25
22/18
11/11
6
19
12
11
12
62/49
42/34
20/20
13
36
20
21
20
35/33
32/30
17/16
2
31
15
14
16
20/21
20/16
3/2
-1
22
2
1
1
Fluid
MMO
Fluid Rehology
Water, bbl
PAL FC, lb
θ 600 / θ 300 @ 120°F
θ 200 / θ 100
θ6/θ3
Plastic viscosity, cP
Yield point, lb/100 ft²
10-sec Gel, lb/100 ft²
10-min Gel, lb/100 ft²
30-min Gel, lb/100 ft²
8.46
Rheology
23/16
14/12
6/6
7
9
7
8
10
22/18
17/14
6/3
4
14
3
3
4
Clay Recovery Test
Fluid
DI Water
MMO
MMO+3% MMO-AS
MMO+1 lb/bbl MMO-AS
MMO+3% KCl
MMO+3% Glymax
MMO+3% Liquid Gilsonite
55 lb/bbl Na silicate
55 lb/bbl Na silicate+3% K2CO3
55 lb/bbl Na silicate+0.5 lb/bbl IDCAP
Original weigh, g
20.87
21.05
20.55
20.23
20.49
20.64
20.38
20.99
20.1
20.44
Recovered weight, g
<0.01
<0.01
8.45
0.03
5.78
1.01
<0.01
13.53
10.56
16.66
Amount recovered
<0.05 wt%
<MMO+0.05 wt%
41.1 wt%
0.15 wt%
28.2 wt%
4.9 wt%
<0.05 wt%
64.5 wt%
52.5 wt%
81.5 wt%
MMO-based
Silicate-based
14
Linear Swelling: Bentonite Pellets