Specifications

Protocol

Unit

Result

Free Swelling Volume 2 gm/100ml

ASTM D 5890:1995

ml

28 - 30

Methylene Blue Absorption Value

API spe 131:2004/ ISO 10416:2002

mg/gm of clay

350-400

Liquid Limit

IS:12446-1988

ml/100 gm

550 - 650

Gel Time 2.5gm/25 ml

IS:12446-1988

second

Instant.

Gelling Index

IS:12446-1988

ml

75 - 85

Moisture Content % by weight

API Spec. 13A:2004/ ISO 13500: 1998

%

10.0 - 12.0

PH Value 2% slurry

IS:6186-1986

pH

9.5 - 9.9

Green Compression Strength Bentonite : Water :10:4 55-60 A.F.S Sand

IS:1918-1966

psi

12

Wet Tensile Strength

IS:12446-1988

N/cm2

0.16-0.18

Dry Mesh % Passing 200 B.S.S

IS:6186-1986

%

85 Minimum

Swelling Index

IS:6186-1986

10ml/gm

24-28

Protocol

Unit

REQUIRED

RESULT

Viscometer Dial Reading at 600 rpm

API Spec. 13A:2004/ ISO 13500: 1998

r/min

30

35-40

Yield Point / Plastic Viscosity Ratio

API Spec. 13A:2004/ ISO 13500: 1998

-

3 Max

2.5

Filterate Volume

API Spec. 13A:2004/ ISO 13500: 1998

ML

15 Max

14

Moisture Content

API Spec. 13A:2004/ ISO 13500: 1998

% by weight

10.0 max.

10

Dry Screen Analysis(Residue Greater than 75 Microns)%

API Spec. 13A:2004/ ISO 13500: 1998

% by weight

4.0 max.

3.0 - 4.0

Protocol

Unit

Required

Result

Yield

OCMA DFCP-4

bbls/2000lbs

90 min

99 - 115

A.P.I. Filterate Loss

OCMA DFCP-4

ml

15.0 max.

13 - 14

Moisture Content

API Spec. 13A:2004/ ISO 13500: 1998

% by weight

15.0 max.

10.0 - 12.0

Dry Screen Analysis 100 Mesh Sieve

OCMA DFCP-4

% by weight

98.0 min.

98.5

Wet Screen Analysis 200 Mesh Sieve residue

OCMA DFCP-4

% by weight

2.5 max

1.75

Protocol

Unit

Result

Free Swelling Volume 2 gm/100ml

ASTM D 5890:1995

ml

28 - 30

Methylene Blue Absorption Value

API spe 131:2004/ ISO 10416:2002

mg/gm of clay

350-400

Liquid Limit

IS:12446-1988

ml/100 gm

550 - 650

Gel Time 2.5gm/25 ml

IS:12446-1988

second

Instant.

Gelling Index

IS:12446-1988

ml

75 - 85

Moisture Content % by weight

API Spec. 13A:2004/ ISO 13500: 1998

%

10.0 - 12.0

PH Value 2% slurry

IS:6186-1986

pH

9.5 - 9.9

Green Compression Strength Bentonite : Water :10:4 55-60 A.F.S Sand

IS:1918-1966

psi

12

Wet Tensile Strength

IS:12446-1988

N/cm2

0.16-0.18

Dry Mesh % Passing 200 B.S.S

IS:6186-1986

%

85 Minimum

Swelling Index

IS:6186-1986

10ml/gm

24-28

Protocol

Unit

Result

Liquid Limit

IS:12446-1988

ml/100 gm

650-700

Moisture Content

API Spec. 13A:2004/ ISO 13500: 1998

% by wt.

12.0 Max

Dry Screen Analysis (residue on 75 um sieve

IS:6186-1986

% by. Wt.

25.0 max.

Free Swelling Volume 2gm/100ml

ASTM D 5890:1995

ml

30 CC

PH Value of 5% gel

IS:6186-1986

pH

9.5 - 10.0

Loose Bulk Density

IS:7589-1974

gm/ml

0.85 -1.0

Gel Time 2.5gm/25 ml

IS:12446-1988

second

Instant

Swelling Index

IS:12446-1988

10ml/gm

28

Gelling Index

IS:6186-1986

ml

75

Methylene Blue Value

API spe 131:2004/ ISO 10416:2002

mg/gm of clay

350 - 400

Protocol

Unit

Result

Aspect

Yellow to reddish brown colour

Liquid Limit

IS:12446-1988

ml/100 gm

550-600

Moisture Content

API Spec. 13A:2004/ ISO 13500: 1998

% by. Wt.

12.0 Max

Dry Screen Analysis (residue on 75 um sieve

IS:6186-1986

% by. Wt.

25.0 max.

Free Swelling Volume 2gm/100ml

ASTM D 5890:1995

ml

30 CC

PH Value of 5% gel

IS:6186-1986

pH

9.5 - 10.0

Loose Bulk Density

IS:7589-1974

gm/ml

0.85 - 1.0

Gelling Time

IS:12446-1988

second

25

Gelling Index

IS:6186-1986

ml

60

Methylene Blue Value

API spe 131:2004/ ISO 10416:2002

mg/gm of clay

325 - 375

PROTOCOL

UNIT

SPECIFICATION

RESULTS

Free Swelling Volume 2 gm/100ml

ASTM D 5890:1995

ml

18 to 22

19.00 Ml.

Moisture Content % by weight

IS:6186-1986

%

10 to 12%

10.8%

Methylene Blue Absorption Value

API spe 131:2004/ ISO 10416:2002

mg/gm of clay

350 to 390

369 mg per gm

Dry Mesh % Passing 200 B.S.S

IS:6186-1986

%

10 to 12 %

10.9%

PH Value 2% slurry

IS:6186-1986

pH

8.5 to 9.5

8.7

Color

Off green

Off green

Powder Bulk Density

IS:7589-1974

gm/ml

0.95 to 1.10 gm/cc

0.95 gm/cc

Montmorillonite

GEN:GL:SOP:A/302/12

93 to 95 %

94%

Quartz

2 to 3%

2.2%

Protocol

Unit

Result

Free Swelling Volume 2 gm/100ml

ASTM D 5890:1995

ml

28 - 30

Methylene Blue Absorption Value

API spe 131:2004/ ISO 10416:2002

mg/gm of clay

410 - 440

Liquid Limit

IS 2720(PART 5):1985

-

550 - 625

Gel Time 2.5 gm/20 ml

IS:12446-1988

second

Instant

Moisture Content % by weight

API Spec. 13A:2004/ ISO 13500: 1998

%

14

PH Value 2% slurry

IS:6186-1986

pH

9.5  - 10.0

Swelling Index

IS:6186-1986

10ml/gm

25

Gelling Index

IS:12446-1988

ml

60 - 70

Dry Mesh % Passing 200 B.S.S

IS:6186-1986

%

85 Minimum

Protocol

Unit

Result

Free Swelling Volume 2 gm/100ml

ASTM D 5890:1995

ml

24-27

Methylene Blue Absorption Value

API spe 131:2004/ ISO 10416:2002

mg/gm of clay

375-400

Liquid Limit

IS:12446-1988

ml/100 gm

550 - 600

Gel Time 2.5gm/25 ml

IS:12446-1988

second

Instant

Gelling Index

IS:12446-1988

ml

75 - 80

Moisture Content % by weight

API Spec. 13A:2004/ ISO 13500: 1998

%

10.0 - 12.0

PH Value 2% slurry

IS:6186-1986

pH

9.5 - 9.8

Dry Mesh % Passing 200 B.S.S

IS:6186-1986

%

85 Minimum

Swelling Index

IS:6186-1986

10ml/gm

24-28

Protocol

Unit

Result

Free Swelling Volume 2 gm/100ml

ASTM D 5890:1995

ml

18-21

Methylene Blue Absorption Value

API spe 131:2004/ ISO 10416:2002

mg/gm of clay

350-375

Liquid Limit

IS:12446-1988

ml/100 gm

500-525

Gelling Index

IS:12446-1988

ml

65 - 75

Moisture Content % by weight

API Spec. 13A:2004/ ISO 13500: 1998

%

10.0 - 12.0

PH Value 2% slurry

IS:6186-1986

pH

9.0 -9.5

Dry Mesh % Passing 200 B.S.S

IS:6186-1986

%

85 Minimum

Specifications

1. Moisture

12 – 14%

2. pH value

7.5 – 9

3. Base Exchange  capacity

90 meq min

4. Particle size < 200 mesh

70% min.

5. Water Absorption Capacity

300 min

6. Expandability / Swellability

15 – 20%

7. Colour

Brown & Black

8. Resistiviry

0.04