Sheraton HotelChicago, IL

API COOPERATIVE TEST

PROGRAM

June 17, 2014

SAMPLES SUPPLIED

2000 2002 2004 2006 2008 2010 2012 2014

9

267

100

80

74

13

31

7

314

2000 2002 2004 2006 2008 2010 2012 2014

PARTICIPANT PROFILE

PETROLEUM COMPANIES 7 4 6 4 5 4 5

234 201

HALLIBURTON 69 76 110 115

SERVICE COMPANIES 51 79 88 130 168

111 60

BAKER HUGHES 13 14 5 14

SCHLUMBERGER 48 76

8 12

CEMENT PRODUCERS 36 42 53 43 35 53 56

OTHERS 2

4 9

TOTAL 101 127 152 179 226 295 271

INTERESTED PARTIES 7 2 5 2 4

SERVICE COMPANIES 51 79 88 118 142 140 143

PARTICIPANT PROFILERESULTS REPORTED

PETROLEUM COMPANIES 7 4 6 4 5 4

SCHLUMBERGER 40 63 46 49HALLIBURTON 69 72

OTHERS 2 5 7BAKER HUGHES 9 5

TOTAL 101 127 152 156 186

35 44INTERESTED PARTIES 7 2 5 2 3 5 5CEMENT PRODUCERS 36 42 53 32 36

151

184 196

3

4542604195

178

4 1

85 86

4

No. Labs TTT to 100Bc Std Dev COVALL DATA 175 112.59 7.53 6.69

CEMENT PLANTS 19 114.29 8.48 7.42

HALLIBURTON 45 113.51 8.52 7.51

SCHLUMBERGER 42 111.71 4.91 4.40

BAKER HUGHES 57 112.47 8.23 7.32

OTHERS 12 110.17 6.16 5.59

SCHEDULE 5 (ALL DATA)

No. Labs TTT to 100Bc Std Dev COVALL DATA 166 112.33 5.36 4.77

CEMENT PLANTS 18 112.50 4.15 3.69

HALLIBURTON 43 113.93 6.59 5.78

SCHLUMBERGER 42 111.71 4.91 4.40

BAKER HUGHES 52 111.60 5.05 4.53

OTHERS 11 111.55 4.08 3.66

Labs Excluded: Schedule 5BH-Pt Harcourt Outlier 236

185 95172 139159 130156 128136 82122 12963 8050 13330 12921 145Lafarge, Exshaw, Canada

SCHEDULE 5 (+/- 2 Std Dev Data Excluded)

O-Tex, Duncan, OKBH-Vernal, UT

BH-Rock Springs, WYBH-Perth, AUS

BH-GabonBH-Bintinu

Hal-MozambiqueHal-Pune, India

Hal-Fort Stockton

1998 2000 2002 2004 2006 2008 2010 2012 2014

AVERAGE 4.53 4.53 5.65 4.64 3.85 2.89 4.11 2.66 3.9

STD DEV 0.76 0.88 0.96 0.85 0.98 0.87 1.09 0.94 0.86

COV 16.72 19.53 16.99 18.33 25.50 30.20 26.50 35.5 21.97AVE COV 23.47 23.47 23.47 23.47 23.47 23.47 23.47 23.47 23.47

0.76

24.62

8 Test cycles

AVERAGE 3.90 3.90

FREE FLUID EVALUATION2014-2015

Flask Method ALL DATA +/- 2 Std Dev Deleted

Graduate Method

2.21

STD DEV 1.06 0.86

COV 27.27 21.97

COUNT 173 164

HISTORICAL RESULTS (FLASK METHOD)

1998 2000 2002 2004 2006 2008 2010 2012 2014

AVERAGE 4.53 4.53 5.65 4.64 3.85 2.89 4.11 2.66 3.9

STD DEV 0.76 0.88 0.96 0.85 0.98 0.87 1.09 0.94 0.86

COV 16.72 19.53 16.99 18.33 25.50 30.20 26.50 35.5 21.97AVE COV 23.47 23.47 23.47 23.47 23.47 23.47 23.47 23.47 23.47

0.76

24.62

8 Test cycles

AVERAGE 3.90 3.90

FREE FLUID EVALUATION2014-2015

Flask Method ALL DATA +/- 2 Std Dev Deleted

Graduate Method

2.21

STD DEV 1.06 0.86

COV 27.27 21.97

COUNT 173 164

HISTORICAL RESULTS (FLASK METHOD)

No. Labs % Free Fluid Std Dev COVALL DATA 173 3.90 1.06 27.27

CEMENT PLANTS 19 4.14 0.71 17.27

HALLIBURTON 45 3.88 1.29 33.18

SCHLUMBERGER 39 4.01 0.72 18.00

BAKER HUGHES 58 3.73 1.13 30.14

OTHERS 12 4.02 1.24 30.97

FREE FLUID (ALL DATA)

No. Labs % Free Fluid Std Dev COVALL DATA 164 3.90 0.86 21.97

CEMENT PLANTS 19 4.14 0.71 17.27

HALLIBURTON 40 3.92 0.88 22.55

SCHLUMBERGER 39 4.01 0.72 18.00

BAKER HUGHES 54 3.71 0.87 23.36

OTHERS 12 4.02 1.24 30.97

Labs Excluded: % Free FluidHAL-Japan 6.43%HAL-Dickinson ND 7.63%HAL-Muncy, PA 1.30%HL-Bakersfield, CA 0.63%HAL-Broussard, LA 1.76%BH-Alice, TX 1.71%BH-Gabon 0.75%BH-Hobbs, NM 7.31%BH-Neuquen, Argentina 6.28%

FREE FLUID (+/- 2 Std Dev Data Excluded)

3 rpm 300 rpm10 sec

Gel Strength

10 min Gel

StrengthAverage 14.32 71.72 16.08 22.79

Standard Deviation 3.31 12.11 4.91 7.33Coeffecient of Variation 23.11 16.89 30.56 32.14

Maximum 26 116 48 53Minimum 5 36 6 10Number 171 170 166 165

3 rpm 300 rpm10 sec

Gel Strength

10 min Gel

StrengthAVERAGE 14.14 70.68 15.55 21.84

STD DEV 2.80 8.98 3.57 6.0COV 19.81 12.70 22.94 27.63

NUMBER OF TESTS 163 159 159 157

Rheology

Plus or Minus 2 STD Dev Excluded

Outliers Omitted3 rpm 300 rpm

10 sec Gel

Strength

10 min Gel

StrengthLaf Cantagalo Brazil 51 277

Hal-Mozambique 94

Hal-Burns Flat 56 64

Excluded LabsLAF-Woodlands 26 34 35

HAL-Burns Flat 21

SLB-Labuan, Malaysia 21 27.75

HAL-Ciudad de Carmen, Me 4.5

BH-Barmer 24 107.5 40

BH-Perth, Australia 5.3

BH-Somatito 21.0

Shell-UK 21 27

Rheology -- Exclusions

583223

38.24132

1991 1992 1993 1994 1996 1998 2000 2002 2004 2006 2008 2010 2012 2014

AVERAGE 934 407 890 749 601 373 714 809 785 913 586 781 456 583

STD DEV 210.5 90.26 208 157.3 157.2 81.49 257 241 229 242 302 281 160 223

COV 22.53 22.19 23.37 20.99 26.16 21.87 35.99 29.72 29.14 26.50 51.48 35.94 35.06 38.24

HISTORICAL RESULTS

STD DEV 180COV 25.47

COUNT 127

ALL DATA Less +/- 2 STD DEV

AVERAGE 556

COMPRESSIVE STRENGTH EVALUATION1000 F (38C) -- 8 HOUR

Hal-Teresin 1753 BH-Balikpapa 1220BH-Nevia Columbia 1690 BH-Bintuni 1233BH-Cairo 30 47 BH-Bojonegoro 1210BH-Iraq 30 47 BH-VungTau. Vietnam 1257

Chevron, Houston 1387HAL-Muncy, PA 720HAL-Fresno, TX 670HAL-Pemba, Mozambique 490SLB PORT GENTIL GABON 650BH-Bintuni 2853BH-Bojonegoro 2815BH-Calgary 2910BH-Sucat. Philippines 2900Drilling Specialties Co. 590SLB-New Orleans, LA, USA 855HAL-Luanda 2797SLB - MASILLA YEMEN 1065BH‐Brighton 4243BH‐Cairo, Egypt 4833BH‐Iraq 4833BH‐Shafter 1200

Exclude + /- 2 Std Dev

8 Hour 100F

8 Hour 140F

24 Hour 100F

COMPRESSIVE STRENGTH TESTINGOutliers Omitted

8 Hour 100F

8 Hour 140F

24 Hour 100F

AVERAGESTD DEVCOVCOUNT

AVERAGESTD DEVCOVCOUNT

AVERAGESTD DEVCOVCOUNT 133 122

1823 1838464 351

25.47 19.11

132 127

8 HOUR - 1400F 8 HOUR - 1400F

ALL DATA +/- 2 Std Dev Deleted

583 556223 180

38.24 25.47

134 129

8 HOUR - 1000F 8 HOUR - 1000F

ALL DATA +/- 2 Std Dev Deleted

2425 2393600 480

24.76 20.07

COMPRESSIVE STRENGTH EVALUATION2014 - 2015

24 HOUR - 1000F 24 HOUR - 1000F

ALL DATA +/- 2 Std Dev Deleted

AVERAGE AVERAGESTD DEV STD DEVCOV COVCOUNT COUNT

AVERAGE AVERAGESTD DEV STD DEVCOV COVCOUNT COUNT

480 20120.07 8.94129 142

24 HOUR - 1000F 24 HOUR - 1000F+/ - 2 Std Dev

Deleted+/ - 2 Std Dev

Deleted2393 2243

24.76 12.42134 152

2 X 2 inch cubes UCA

ALL DATA ALL DATA

2425 2252600 280

UCA to Cube Comparison2014 - 2015

2 X 2 inch cubes UCA24 HOUR - 1000F 24 HOUR - 1000F

BH-Calgary 16620BH-Claimont 16260LAF-Joppa 799

BH-Kilgore, TX 2938BH-Cairo, Egypt 3357BH-Iraq 3357BH-Mill Hall. PA 1562Drilling Specialties Co. 1611BH-Abu Dhabi 1640SLB-KL, Malaysia 2892SLB-Baku 1643HAL-Alice, TX 1647HAL-Broussard, LA 3151

Outliers Omitted: 24 Hr, 100F, UCA

Exclude + /- 2 Std Dev

UCA EXCLUSIONS

C3S C3A SO3 MgO L.O.I.48 to 65 3 Max. 3.0 Max 6.0 Max 3.00 Max

AVERAGE 53.36% 1.70% 2.49% 0.75% 1.34% 3047STD DEV 2.62% 0.40% 0.11% 0.09% 0.08% 76.95COV 4.92% 23.67% 4.23% 12.46% 6.19% 2.53COUNT 19 19 19 19 18 18

C3S C3A SO3 MgO L.O.I.48 to 65 3 Max. 3.0 Max 6.0 Max 3.00 Max

AVERAGE 53.03% 1.63% 2.47% 0.74% 1.33% 3036STD DEV 2.27% 0.29% 0.08% 0.07% 0.07% 63.85COV 4.27% 17.50% 3.14% 10.12% 5.11% 2.1COUNT 18 18 18 18 17 17

Labs Excluded: C3S C3A SO3 MgO L.O.I. Blaine59.24% 2.79%

2.90%1.00%

1.54% 3230

DyckerhoffTXI, Midlothian, TX

Buzzi Unicem USA‐Maryneal, TXSukholozhskcement-Russia

CHEMISTRY SUMMARY

CHEMICAL ANALYSIS (%) ALL DATA

API Spec Blaine

CHEMICAL ANALYSIS (%) LESS +/- 2 STD DEV

API Spec Blaine

XRF Rietveld XRF RietveldC3S C3S C3A C3A

Average 53.36% 54.54% 1.70% 2.24%Std Dev 2.62% 3.70% 0.40% 0.51%COV 4.92% 6.78% 23.67% 22.95%Count 19 5 19 4

XRF / RIETVELD COMPARISON

ALL DATAALL DATA