Driller Data

8/4/2019 Driller Data

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Table 6-1. Total flow area (TFA)comparison of values (in.2)

Size Number of Jets

(in. 32) 1 2 3 4 5 6 7 8 9

7 0.038 0.075 0.113 0.150 0.188 0.225 0.263 0.301 0.338

8 0.049 0.098 0.147 0.196 0.245 0.295 0.344 0.393 0.442

9 0.062 0.124 0.186 0.249 0.311 0.373 0.435 0.497 0.559

10 0.077 0.153 0.230 0.307 0.383 0.460 0.537 0.614 0.690

11 0.093 0.186 0.278 0.371 0.464 0.557 0.650 0.742 0.83512 0.110 0.221 0.331 0.442 0.552 0.663 0.773 0.884 0.994

13 0.130 0.259 0.389 0.518 0.648 0.778 0.907 1.037 1.167

14 0.150 0.301 0.451 0.601 0.752 0.902 1.052 1.203 1.353

15 0.173 0.345 0.518 0.690 0.863 1.035 1.208 1.381 1.553

16 0.196 0.393 0.589 0.785 0.982 1.178 1.374 1.571 1.767

17 0.222 0.443 0.665 0.887 1.108 1.330 1.552 1.773 1.995

18 0.249 0.497 0.746 0.994 1.243 1.491 1.740 1.988 2.237

19 0.277 0.554 0.831 1.108 1.384 1.661 1.938 2.215 2.49220 0.307 0.614 0.920 1.227 1.534 1.841 2.148 2.454 2.761

22 0.371 0.742 1.114 1.485 1.856 2.227 2.599 2.970 3.341


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Table 6-2. Buoyancy and drilling fluid density

Drilling Fluid Density Buoyancy Factor(ppg)

8.5 0.871

9.0 0.863

9.5 0.855

10.0 0.847

10.5 0.84011.0 0.832

11.5 0.825

12.0 0.817

12.5 0.810

13.0 0.802

13.5 0.794

14.0 0.786

14.5 0.779

15.0 0.771

15.5 0.764

16.0 0.756

16.5 0.749

17.0 0.741

17.5 0.733

18.0 0.725

Figures for steel only


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Table 6-3. Drilling fluid density

Specific GradientGravity Depth

(ppg) (lbm/ft3) (psi/ft)

8.3 62.38 1.00 0.433

8.4 62.83 1.01 0.436

8.5 63.58 1.02 0.4418.6 64.33 1.03 0.447

8.7 65.08 1.04 0.4528.8 65.92 1.06 0.4578.9 66.57 1.07 0.462

9.0 67.32 1.08 0.467

9.1 68.07 1.09 0.472

9.2 68.82 1.10 0.4789.3 69.56 1.12 0.483

9.4 70.31 1.13 0.488

9.5 71.06 1.14 0.4939.6 71.81 1.15 0.498

9.7 72.56 1.16 0.504

9.8 73.30 1.18 0.509

9.9 74.05 1.19 0.514

10.0 74.80 1.20 0.51910.1 75.55 1.21 0.524

10.2 76.30 1.22 0.530

10.3 77.04 1.24 0.535

10.4 77.79 1.25 0.54010.5 78.54 1.26 0.545

10.6 79.29 1.27 0.55010.7 80.04 1.28 0.556

10.8 80.78 1.30 0.561

10.9 81.53 1.31 0.566

11.0 82.28 1.32 0.571

11.1 83.03 1.33 0.57611.2 83.78 1.34 0.581

11.3 84.52 1.36 0.587

11.4 85.27 1.37 0.59211.5 86.02 1.38 0.597

11.6 86.77 1.39 0.602

11.7 87.52 1.40 0.60711.8 88.26 1.42 0.613

11.9 89.01 1.43 0.618

12.0 89.76 1.44 0.623

12.1 90.51 1.45 0.62812.2 91.26 1.46 0.63312.3 92.00 1.48 0.639

12.4 92.75 1.49 0.644

12.5 93.50 1.50 0.64912.6 94.25 1.51 0.654

Specific GradientGravity Depth

(ppg) (lbm/ft3) (psi/ft)

12.7 95.00 1.52 0.659

12.8 95.74 1.54 0.664

12.9 96.49 1.55 0.670

13.0 97.24 1.56 0.67513.1 97.99 1.57 0.680

13.2 98.74 1.58 0.685

13.3 99.48 1.60 0.69013.4 100.23 1.61 0.696

13.5 100.98 1.62 0.701

13.6 101.73 1.63 0.70613.7 102.48 1.64 0.711

13.8 103.22 1.66 0.717

13.9 103.97 1.67 0.722

14.0 104.72 1.68 0.727

14.1 105.47 1.69 0.73214.2 106.22 1.70 0.737

14.3 106.96 1.72 0.742

14.4 107.71 1.73 0.74814.5 108.46 1.74 0.753

14.6 109.21 1.75 0.758

14.7 109.96 1.76 0.763

14.8 110.70 1.78 0.76814.9 111.45 1.79 0.774

15.0 112.20 1.80 0.779

15.1 112.95 1.81 0.784

15.2 113.70 1.82 0.78915.3 114.44 1.84 0.794

15.4 115.19 1.85 0.800

15.5 115.94 1.86 0.80515.6 116.69 1.87 0.810

15.7 117.44 1.88 0.815

15.8 118.18 1.90 0.821

15.9 118.93 1.91 0.825

16.0 119.68 1.92 0.83116.1 120.43 1.93 0.836

16.2 121.18 1.94 0.841

16.3 121.92 1.96 0.84616.4 122.67 1.97 0.851

16.5 123.42 1.98 0.85716.6 124.17 1.99 0.86216.7 124.92 2.00 0.867

16.8 125.66 2.02 0.872

16.9 126.41 2.03 0.87717.0 127.16 2.04 0.883

Table 6-3. Drilling fluid density


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Table 6-4. Drill collar weight (lbm/ft)

Drill CollarBore of Collar (in.)

OD (in.) 1 114 112 134 2 214 212 21316 3 314 312 334 4

278 19 18 16

3 21 20 18

318 22 22 20

314 26 24 22

312 30 29 27

334 35 33 32

4 40 39 37 35 32 29

418 43 41 39 37 35 32

414 46 44 42 40 38 35

41

2 51 50 48 46 43 41434 54 52 50 47 44

5 61 59 56 53 50

514 68 65 63 60 57

512 75 73 70 67 64 60

534 82 80 78 75 72 67 64 60

6 90 88 85 83 79 75 72 68

614 98 96 94 91 88 83 80 76 72

612 107 105 102 99 96 91 89 85 80

634 116 114 111 108 105 100 98 93 89

7 120 117 114 110 107 103 98 93 84

714 130 127 124 119 116 112 108 103 93

712 139 137 133 129 126 122 117 113 102

734 150 147 144 139 136 132 128 123 112

8 160 157 154 150 147 143 138 133 122

814 171 168 165 160 158 154 149 144 133

812 182 179 176 172 169 165 160 155 150

9 203 200 195 192 188 184 179 174

912 227 224 220 216 212 209 206 198

934 240 237 232 229 225 221 216 211

10 254 251 246 243 239 235 230 225

11 310 307 302 299 295 291 286 281

12 371 368 364 361 357 352 347 342

Source: API Publication 7G, Drill Stem Design and Operating Limits, 15th ed. (January 1, 1995). Reprintedcourtesy of the American Petroleum Institute.


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Table 6-5. Heavy-wall drillpipe properties

Nominal Pipe Nominal Tool JointSize ID Weight Connection(in.) (in.) (lbm/ft)

Standard

312 2.063 25.3 312 IF NC 38

4 2.563 29.7 4 FH NC 40

41

2 2.750 39.9 4 IF NC 465 3.000 48.5 412 IF NC 50

Spiral-Wate

312 2.125 28.3 312 IF NC 38

4 2.563 33.8 4 FH NC 40

412 2.750 44.0 4 IF NC 46

5 3.000 55.3 412 IF NC 50

512 3.250 63.0 5 FH

658 5.000 57.0 658 FH


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Table 6-6. Drillpipe properties

NominalWeight Section

Threads and Plain End Wall Area BodyOD Couplings Weight Thickness ID of Pipe

(in.) (lbm/ft) (lbm/ft) (in.) (in.) (in.2)

D d A

238 4.85 4.43 0.190 1.995 1.30426.65 6.26 0.280 1.815 1.8429

278 6.85 6.16 0.217 2.441 1.8120

10.40 9.72 0.362 2.151 2.8579

9.50 8.81 0.254 2.992 2.5902

312 13.30 12.31 0.368 2.764 3.620915.50 14.63 0.449 2.602 4.3037

11.85 10.46 0.262 3.476 3.0767

4 14.00 12.93 0.330 3.340 3.804815.70 14.69 0.380 3.240 4.3216

13.75 12.24 0.271 3.958 3.6004

412 16.60 14.98 0.337 3.826 4.407420.00 18.69 0.430 3.640 5.4981

16.25 14.87 0.296 4.408 4.3743

5 19.50 17.93 0.362 4.276 5.2746

25.60 24.03 0.500 4.000 7.0686

512 19.20 16.87 0.304 4.892 4.962421.90 19.81 0.361 4.778 5.8282

24.70 22.54 0.415 4.670 6.6296

658 25.20 22.19 0.330 5.965 6.5262

lbm/ft = 3.3996 AA = 0.7854 (D2 d2)These sizes and weights are non-API and are not included in API Spec. 5A or 5AX.


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135

Table 6-7. Recommended minimum make

Bore

Size and Type of Connection OD (in.) 1 114 112 134 2

API NC 23 3 2,508 2,508 2,508

318 3,330 3,330 2,647314 4,000 3,387 2,647

238-in. Regular 3 2,241 2,241 1,749

318 3,028 2,574 1,749

314 3,285 2,574 1,749

278-in. PAC 3 3,797 3,797 2,926

31

8 4,966

4,151 2,926314 5,206 4,151 2,926

238-in. API IF 312 4,606 4,606 3,697

API NC 26 334 5,501 4,668 3,697

278-in. Regular 312 3,838 3,838 3,838

334 5,766 4,951 4,002378 5,766 4,951 4,002

2

7

8

-in. Slim hole278-in. Extra hole 334 4,089 4,089 4,089

312-in. Double streamline 378 5,352 5,352 5,352

278-in. Modified open 418 8,059 8,059 7,433


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Bore


278-in. API IF 378 4,640 4,640 4,640 4,640

API NC 31 418 7,390 7,390 7,390 6,853

312-in. Regular 418 6,466 6,466 6,466 6,466

414 7,886 7,886 7,886 7,115

412 10,471 9,514 8,394 7,115

312-in. Slim hole 414 8,858 8,858 8,161 6,853

412 10,286 9,307 8,161 6,853

API NC 35 412 9,038 9,038

434 12,273 10,826

5 12,273 10,826

312-in. Extra hole 414 5,161 5,161

4-in. Slim hole 412 8,479 8,479

312-in. Modified open 434 12,074 11,803 15 13,283 11,803 1

514 13,283 11,803 1

312-in. API IF 434 9,986 9,986

API NC 38 5 13,949 13,949 1412-in. Slim hole 514 16,207 14,643 1

512 16,207 14,643 1

136


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137


Bore


312-in. H-90 434 8,786 8,786

5 12,794 12,794 1514 17,094 16,929 1512 18,522 16,929 1

4-in. Full hole 5 10,910 10,910 1

API NC 40 514 15,290 15,290 1

4-in. Modified open 512 19,985 18,886 1412-in. Double streamline 534 20,539 18,886 1

6 20,539 18,886 1

4-in. H-90 514 12,590 12,590 1

512 17,401 17,401 1534 22,531 22,531 2

6 25,408 23,671 2

614 25,408 23,671 2

412-in. API regular 512 15,576 15,576 1

534 20,609 20,609 2

6 25,407 23,686 2614 25,407 23,686 2


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138


Bore


API NC 44 534 20,895 20,895 2

6 26,453 25,510 2

614 27,300 25,510 2612 27,300 25,510 2

412-in. API full hole 512 12,973 1

534 18,119 1

6 23,605 2614 27,294 2

612 27,294 2

412-in. Extra hole 534 1

API NC 46 6 24-in. API IF 614 2412-in. Semi-IF 612 2

5-in. Double streamline 634 2

412-in. Modified open

412-in. H-90 534 16 2

614 2

612 2634 2


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139

Table 6-7. Recommended minimum mak

Bore


5-in. H-90 614 2612 3

634 3

7 3

412-in. API IF 614 2API NC 50 612 2

5-in. Extra Hole 634 3

5-in. Modified open 7 3

51

2-in. Double streamline 71

4 35-in. Semi-IF 712 3

512-in. H-90 634 3

7 4

714 4712 4

512-in. API regular 634 3

7 3

714 4712 4


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140


Bore


512-in. API full hole 7 3714 4

712 4

734 5

API NC 56 714

712734

8

658-in. API regular 712

7348

814

658-in. H-90 712

7348

814

API NC 61 8

814

8128349


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141


Bore


512-in. API IF 8 814

812

8349

914

658-in. API full hole 812

834

9 914

912

API NC 70 9

914912934

10 1014

API NC 77 10

1014

1012

103411


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142


Bore


7-in. H-90 8

814812


9 914912

758-in. H-90 9

914

912

858-in. API regular 10 1014

1012

858-in. H-90 1014

1012

Connections with Low-Torque

7-in. H-90 8349


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143


Bore


Connections with Low-Torque


10

758-in. H-90 93410

10

1

4

1012


11 1114

858-in. H-90 103411

1114

Source: API Publication 7G, Drill Stem Design and Operating Limits, 15th ed. (January 1, 1995). Reprinted courtesy of the ANotes: The calculations for recommended makeup torque assume the use of a thread compound containing 40% to 60% bylead, with not more than 0.3% total active sulfur, applied thoroughly to all threads and shoulders and using the modified screweaker. For each group of connection sizes and types, torque values apply to all connection types with the same drill collar Owith 312- 114-in. drill collars all have the same minimum makeup torque of 4600 ft-lbf and the box is the weaker member). Srange is the tabulated value plus 10%. Higher torque values may be used under extreme conditions.

The weaker member for the corresponding OD and bore is the box (the pin is the weaker value for other torque values).Makeup torque for the 278-in. PAC connection is based on 87,500-psi stress.Makeup torque for the H-90 connection is based on 56,200-psi stress.


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Table 6-8. Recommended minimum OD and makeup torque

torsional strength of box and d

Drillpipe Data New Tool Joint Data

TypeUpset New Min OD

Nom. Nom. and New New Makeup ToolSize Weight Grade Connection OD ID Torque Joint(in.) (lbm/ft) (in.) (in.) (ft-lbf) (in.)

238 4.85 E.U. 75 NC 26 IF 338 134 4,125 B 318

4.85 E.U. 75 WO 338 2 2,586 P 31164.85 E.U. 75 238 OHLW 318 2 2,713 P 3

4.85 E.U. 75 238 SL-H90 314 2 3,074 P 231326.65 I.U. 75 238 PAC 278 138 2,813 P 225326.65 E.U. 75 NC 26 338 134 4,125 B 33166.65 E.U. 75 238 SL-H90 314 2 3,074 P 3132

6.65 E.U. 75 238 OHLW 314 134 3,891 B 33166.65 E.U. 95 NC 26 338 134 4,125 B 3146.65 E.U. 105 NC 26 338 218 4,125 B 3932

278 6.85 E.U. 75 NC 31 418 218 7,122 P 31116

6.85 E.U. 75 278 WO 418 2716 4,318 P 358

6.85 E.U. 75 278 OHLW 334 2716 3,351 P 3126.85 E.U. 75 278 SL-H90 378 2716 4,575 P 312

10.40 E.U. 75 NC 31 418 218 7,122 P 31316

10.40 I.U. 75 278 XH 414 178 7,969 P 3233210.40 I.U. 75 NC 26 338 134 4,125 B 338

144


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145






278 10.40 E.U. 75 278 OHSW 378 2532 5,270 P 31932

10.40 E.U. 75 278 SL-H90 378 2532 6,773 P 3193210.40 I.U. 75 278 PAC 318 112 3,439 P 318

10.40 E.U. 95 NC 31 4

1

8

2 7,918 P 3

29

32

10.40 E.U. 95 278 SL-H90 378 2532 6,773 P 3111610.40 E.U. 105 NC 31 418 2 7,918 P 3151610.40 E.U. 135 NC 31 438 158 10,167 P 4116

312 9.50 E.U. 75 NC 38 434 3 7,688 P 41332

9.50 E.U. 75 NC 38 434 21116 10,864 P 413329.50 E.U. 75 312 OHLW 434 3 7,218 P 49329.50 E.U. 75 312 SL-H90 458 3 7,584 P 4316

13.30 E.U. 75 NC 38 434 21116 10,864 P 412

13.30 I.U. 75 NC 31 418 218 7,122 P 413.30 E.U. 75 312 OHSW 434 21116 10,387 P 4133213.30 E.U. 75 312 H90 514 234 14,300 P 41732

13.30 E.U. 95 NC 38 5 2916 12,196 P 4193213.30 E.U. 95 312 SL-H90 458 21116 11,137 P 438


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146






312 13.30 E.U. 95 312 H90 514 234 14,300 P 45813.30 E.U. 105 NC 38 5 2716 13,328 P 4213213.30 E.U. 135 NC 40 538 2716 17,958 P 5

13.30 E.U. 135 NC 38 5 218 15,909 P 41316

15.50 E.U. 75 NC 38 5 2916 12,196 P 4173215.50 E.U. 95 NC 38 5 2716 13,328 P 42132

15.50 E.U. 105 NC 38 5 218 15,909 P 42332

15.50 E.U. 105 NC 40 514 2916 16,656 P 4151615.50 E.U. 135 NC 40 512 214 19,766 P 5332

4 11.85 E.U. 75 NC 46 6 314 20,175 P 573211.85 E.U. 75 4 WO 534 3716 17,285 P 5732

11.85 E.U. 75 4 OHLW 5

1

4

3

15

32

13,186 P 511.85 I.U. 75 4 H90 512 21316 21,224 P 47814.00 I.U. 75 NC 40 514 21316 14,092 P 41316

14.00 E.U. 75 NC 46 6 314 20,175 P 5932

14.00 I.U. 75 4 SH 458 2916 9,102 P 471614.00 E.U. 75 4 OHSW 512 314 16,320 P 5116


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147






4 14.00 I.U. 75 4 H90 512 21316 21,224 P 41516

14.00 I.U. 95 NC 40 514 21116 15,404 P 4151614.00 E.U. 95 NC 46 6 314 20,175 P 538

14.00 I.U. 95 4 H90 5

1

2

2

13

16

21,224 P 5

1

32

14.00 I.U. 105 NC 40 512 2716 18,068 P 514.00 E.U. 105 NC 46 6 314 20,175 P 571614.00 I.U. 105 4 H90 512 21316 21,224 P 5332

14.00 E.U. 135 NC 46 6 3 23,538 P 591615.70 I.U. 75 NC 40 514 21116 15,404 P 47815.70 E.U. 75 NC 46 6 314 20,175 P 5516

15.70 I.U. 75 4 H90 512 21316 21,224 P 43132

15.70 I.U. 95 NC 40 512 2716 18,068 P 515.70 E.U. 95 NC 46 6 3 23,538 P 5716

15.70 I.U. 95 4 H90 512 21316 21,224 P 5332

15.70 E.U. 105 NC 46 6 3 23,538 P 5153215.70 I.U. 105 4 H90 512 21316 21,224 P 553215.70 I.U. 135 NC 46 6 258 26,982 P 52132

15.70 E.U. 135 NC 46 6 278 25,118 P 52132


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148






412 16.60 I.E.U. 75 412 FH 6 3 20,868 P 53816.60 I.E.U. 75 NC 46 614 314 20,396 P 5133216.60 I.E.U. 75 412 OHSW 578 334 16,346 P 5716

16.60 E.U. 75 NC 50 658 334 22,836 P 52332

16.60 I.E.U. 75 412 H-90 6 314 23,355 P 5113216.60 I.E.U. 95 412 FH 6 234 23,843 P 512

16.60 I.E.U. 95 NC 46 614 314 20,396 P 51732

16.60 E.U. 95 NC 50 658 334 22,836 P 5273216.60 I.E.U. 95 412 H-90 6 3 27,091 P 5153216.60 I.E.U. 105 412 FH 6 234 23,843 P 5916

16.60 I.E.U. 105 NC 46 614 3 23,795 P 5193216.60 E.U. 105 NC 50 658 334 22,836 P 52932

16.60 I.E.U. 105 41

2 H-90 6 3 27,091 P 51

216.60 I.E.U. 135 NC 46 614 234 26,923 P 52532

16.60 E.U. 135 NC 50 658 312 27,076 P 611620.00 I.E.U. 75 412 FH 6 3 20,868 P 51532

20.00 I.E.U. 75 NC 46 614 3 23,795 P 512

20.00 E.U. 75 NC 50 658 358 24,993 P 51316


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149






412 20.00 I.E.U. 75 412 H-90 6 3 27,091 P 51332

20.00 I.E.U. 95 412 FH 6 212 26,559 P 55820.00 I.E.U. 95 NC 46 614 234 26,923 P 52132

20.00 E.U. 95 NC 50 6

5

8

3

1

2

27,076 P 5

15

16

20.00 I.E.U. 95 412 H-90 6 3 27,091 P 591620.00 I.E.U. 105 NC 46 614 212 29,778 P 5233220.00 E.U. 105 NC 50 658 312 27,076 P 6132

20.00 E.U. 135 NC 50 658 278 36,398 P 6732

5 19.50 I.E.U. 75 NC 50 658 334 22,836 P 57819.50 I.E.U. 95 NC 50 658 312 27,076 P 613219.50 I.E.U. 95 5 H-90 612 314 31,084 P 52732

19.50 I.E.U. 105 NC 50 658 314 31,025 P 6332

19.50 I.E.U. 105 5 H-90 612 3 35,039 P 5293219.50 I.E.U. 135 NC 50 658 234 38,044 P 651619.50 I.E.U. 135 512 FH 714 312 43,490 P 634

25.60 I.E.U. 75 NC 50 658 312 27,076 P 613225.60 I.E.U. 75 512 FH 7 312 37,742 B 612


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150






5 25.60 I.E.U. 95 NC 50 658 3 34,680 P 6732

25.60 I.E.U. 95 512 FH 7 312 37,742 B 62132

25.60 I.E.U. 105 NC 50 6

5

8

2

3

4

38,044 P 6

9

32

25.60 I.E.U. 105 512 FH 714 312 43,490 P 62332

25.60 I.E.U. 135 512 FH 714 314 47,230 B 61516

512 21.90 I.E.U. 75 512 FH 7 4 33,560 P 6153221.90 I.E.U. 95 512 FH 7 334 37,742 B 65821.90 I.E.U. 95 512 H-90 7 312 35,454 P 6316

21.90 I.E.U. 105 512 FH 714 312 43,490 P 6233221.90 I.E.U. 135 512 FH 712 3 53,302 P 6151624.70 I.E.U. 75 512 FH 7 4 33,560 P 6916

24.70 I.E.U. 95 512 FH 714 312 43,490 P 62332

24.70 I.E.U. 105 512 FH 714 312 43,490 P 6253224.70 I.E.U. 135 512 FH 712 3 52,302 P 7132

658 25.20 I.E.U. 75 658 FH 8 5 44,196 P 771625.20 I.E.U. 95 658 FH 8 5 44,196 P 758


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151






658 25.20 I.E.U. 105 658 FH 814 434 51,742 P 71116

25.20 I.E.U. 135 658 FH 812 414 65,535 P 7293227.70 I.E.U. 75 658 FH 8 5 44,196 P 712

27.70 I.E.U. 95 6

5

8

FH 8

1

4

4

3

4

51,742 P 7

11

16

27.70 I.E.U. 105 658 FH 814 434 51,742 P 73427.70 I.E.U. 135 658 FH 812 414 65,535 P 8

Source: API Publication 7G, Drill Stem Design and Operating Limits, 15th ed. (January 1, 1995). Reprinted courtesy of the ANotes: The specified tool joint diameters are required to retain torsional strength in the tool joint comparable to the torsional situations. Tool joints with torsional strength considerably below that of the drillpipe may be adequate for much drilling servicthe torsional strength of tool joints, both new and worn, should disregard the bevels of the tool joint shoulders. This thicknesbore to the OD of the box. Any tool joint with an OD less than the API bevel diameter should be provided with a minimum 13shoulder.

P = pin limit, B = box limitTool joint with these dimensions has a lower torsional yield ratio than the generally used value of 0.80.


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Table 6-9. Rotary-shouldered connection interchange list

Common Name (Style) Size Same As or Interchanges With

Internal flush (IF) 238 in. 278-in. slimhole NC 26

278 in. 312-in. slimhole NC 31312 in. 412-in. slimhole NC 38

4 in. 412-in. extra hole NC 46


412 in. 512-in. double streamline

Full hole (FH) 4 in. 412-in. double streamline NC 40

Extra hole (XH) (EH) 278 in. 312-in. double streamline312 in. 4-in. slim hole

312 in. 412-in. external flush

412 in. 4-in. internal flush NC 465 in. 412-in. internal flush NC 50

5 in. 512-in. double streamline

Slim hole (SH) 278 in 238-in. internal flush NC 26312 in. 278-in. internal flush NC 31

4 in. 312-in. extra hole4 in. 412-in. external flush

412 in. 312-in. internal flush NC 38

Double streamline (DSL) 312 in. 278-in. extra hole

412 in. 4-in. full hole NC 40512 in. 412-in. internal flush


Numbered connections (NC) 26 238-in. internal flush

26 278-in. slim hole

31 278-in. internal flush31 312-in. slim hole

38 312-in. internal flush

38 412-in. slim hole40 4-in. full hole

40 412-in. double streamline

46 4-in. internal flush46 412-in. extra hole

50 412-in. internal flush

50 5-in. extra hole

50 512-in. double streamline

External flush (EF) 412 in. 4-in. slim hole412 in. 312-in. extra hole

Source: API Publication 7G, Drill Stem Design and Operating Limits, 15th ed. (January 1, 1995). Reprinted

courtesy of the American Petroleum Institute.


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Drillers Data 6.0

153

Table 6-10. Casing dimensions and bit clearance

Bit Size andDimensions Diametrical Clearance

Nominal Coupling

ClearanceNominal Nominal from Drill

OD Weight Wall ID OD Drift Bit Size Diameter(in.) (lbm/ft) (in.) (in.) (in.) (in.) (in.) (dec.) (in.)

412 9.5 0.205 4.090 5.000 3.965 378 3.875 0.09011.6 0.250 4.000 5.000 3.875 378 3.875 0.000

13.5 0.290 3.920 5.000 3.795 334 3.750 0.045

15.1 0.337 3.826 5.000 3.701 358 3.625 0.076

5 11.5 0.220 4.560 5.563 4.435 414 4.250 0.185

13.0 0.253 4.494 5.563 4.369 414 4.250 0.11915.0 0.296 4.408 5.563 4.283 414 4.250 0.003

18.0 0.362 4.276 5.563 4.151 418 4.125 0.026

512 13.0 0.228 5.044 6.050 4.919 434 4.750 0.169

14.0 0.244 5.012 6.050 4.887 434 4.750 0.13715.5 0.275 4.950 6.050 4.825 434 4.750 0.075

17.0 0.304 4.892 6.050 4.767 434 4.750 0.017

20.0 0.361 4.778 6.050 4.653 458 4.625 0.028

23.0 0.415 4.670 6.050 4.545 412 4.500 0.045

6 15.0 0.238 5.524 6.625 5.399 538 5.375 0.024

18.0 0.288 5.425 6.625 5.299 5

1

8

5.125 0.17420.0 0.324 5.352 6.625 5.227 518 5.125 0.102

23.0 0.380 5.240 6.625 5.115 478 4.875 0.24026.0 0.434 5.132 6.625 5.007 478 4.875 0.132

658 17.0 0.245 6.135 7.390 6.010 6 6.000 0.010

20.0 0.288 6.049 7.390 5.924 578 5.875 0.049

24.0 0.352 5.921 7.390 5.796 534 5.750 0.04628.0 0.417 5.791 7.390 5.666 558 5.625 0.041

32.0 0.475 5.675 7.390 5.550 538 5.375 0.175

7 17.0 0.231 6.538 7.656 6.413 638 6.375 0.038

20.0 0.272 6.456 7.656 6.331 614 6.250 0.081

23.0 0.317 6.366 7.656 6.241 618 6.125 0.11626.0 0.362 6.276 7.656 6.151 618 6.125 0.026

29.0 0.408 6.184 7.656 6.059 6 6.000 0.059

32.0 0.543 6.094 7.656 5.969 578 5.875 0.09435.0 0.498 6.004 7.656 5.879 578 5.875 0.004

38.0 0.540 5.920 7.656 5.795 534 5.750 0.045

758 20.0 0.250 7.125 8.500 7.000 634 6.750 0.25024.0 0.300 7.025 8.500 6.900 634 6.750 0.150

26.4 0.328 6.969 8.500 6.844 634 6.750 0.09429.7 0.375 6.875 8.500 6.750 634 6.750 0.000

33.7 0.430 6.765 8.500 6.640 634 6.750 0.015

39.0 0.500 6.625 8.500 6.500 638 6.375 0.125


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Drillers Data6.0

154

Table 6-10. Casing dimensions and bit clearance

Bit Size andDimensions Diametrical Clearance

Nominal Coupling

ClearanceNominal Nominal from Drill

OD Weight Wall ID OD Drift Bit Size Diameter(in.) (lbm/ft) (in.) (in.) (in.) (in.) (in.) (dec.) (in.)

858 24.0 0.264 8.097 9.625 7.972 778 7.875 0.09728.0 0.304 8.017 9.625 7.892 778 7.875 0.017

32.0 0.352 7.921 9.625 7.796 778 7.875 0.046

36.0 0.400 7.825 9.625 7.700 758 7.625 0.075

40.0 0.450 7.725 9.625 7.600 738 7.375 0.22544.0 0.500 7.625 9.625 7.500 738 7.375 0.125

49.0 0.557 7.511 9.625 7.386 738 7.375 0.011

958 29.3 0.281 9.063 10.625 8.907 834 8.750 0.157

32.3 0.312 9.001 10.625 8.845 834 8.750 0.09536.0 0.352 8.921 10.625 8.765 834 8.750 0.015

40.0 0.395 8.835 10.625 8.697 858 8.625 0.054

43.5 0.435 8.755 10.625 8.599 812 8.500 0.09947.0 0.472 8.681 10.625 8.525 812 8.500 0.025

53.5 0.545 8.535 10.625 8.379 838 8.375 0.004

1034 32.75 0.279 10.192 11.750 10.036 978 9.875 0.161

40.50 0.350 10.050 11.750 9.894 978 9.875 0.019

45.50 0.400 9.950 11.750 9.794 93

4 9.750 0.04451.00 0.450 9.850 11.750 9.694 958 9.625 0.069

55.50 0.495 9.760 11.750 9.604 9 9.000 0.604

60.70 0.545 9.660 11.750 9.504 9 9.000 0.50465.70 0.595 9.560 11.750 9.404 9 9.000 0.404

1134 38.00 0.300 11.150 12.750 10.994 1058 10.625 0.369

42.00 0.333 11.084 12.750 9.628 1058 10.625 0.369

47.00 0.375 11.000 12.750 10.844 1058 10.625 0.219

54.00 0.435 10.880 12.750 10.724 1058 10.625 0.099

60.00 0.489 10.772 12.750 10.616 1078 10.875 0.741

1338 48.00 0.330 12.715 14.375 12.559 1214 12.250 0.309

54.50 0.380 12.615 14.275 12.459 1214 12.250 0.209

61.00 0.430 12.515 14.375 12.359 1214 12.250 0.10968.00 0.480 12.415 14.375 12.259 1214 12.250 0.009

72.00 0.514 12.374 14.375 12.191 10 10.000 0.191

16 55.00 0.312 15.375 17.000 15.188 15 15.000 0.188

65.00 0.375 15.250 17.000 15.062 15 15.000 0.06275.00 0.438 15.125 17.000 14.938 1434 14.750 0.18884.00 0.495 15.010 17.000 14.823 1434 14.750 0.073

20 94.00 0.438 19.124 21.000 18.936 1712 17.500 1.436


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Drillers Data 6.0

155

Table 6-11. Capacities of various diameter holes

OD (in.) ft3/ft ft/ft3 bbl/ft ft/bbl gal/ft ft/gal

1 0.0055 183.3465 0.0010 102.9414 0.0408 24.5099

118 0.0069 144.8664 0.0012 813.3644 0.0516 19.3658114 0.0085 117.3418 0.0015 658.8251 0.0637 15.6863

138 0.0103 96.9797 0.0018 544.4836 0.0771 12.9639

112 0.0123 81.4873 0.0022 457.5174 0.0918 10.8933

158 0.0144 69.4330 0.0026 389.8373 0.1077 9.2818

134 0.0167 59.8682 0.0030 336.1353 0.1249 8.0032178 0.0192 52.1519 0.0034 292.8112 0.1434 6.9717

2 0.0218 45.8366 0.0039 257.3536 0.1632 6.1275

218 0.0246 40.6027 0.0044 227.9672 0.1842 5.4278214 0.0276 36.2166 0.0049 203.3411 0.2065 4.8415

238 0.0308 32.5046 0.0055 182.5000 0.2301 4.3452

212 0.0341 29.3354 0.0061 164.7063 0.2550 3.9216258 0.0376 26.6081 0.0067 149.3935 0.2811 3.5570

2

3

4

0.0412 24.2442 0.0073 136.1209 0.3085 3.2410278 0.0451 22.1818 0.0080 124.5416 0.3372 2.9653

3 0.0491 20.3718 0.0087 114.3794 0.3672 2.7233

318 0.0533 18.7747 0.0095 105.4120 0.3984 2.5098314 0.0576 17.3582 0.0103 97.4593 0.4309 2.3205

338 0.0621 16.0963 0.0111 90.3738 0.4647 2.1518

312 0.0668 14.9617 0.0119 84.0338 0.4998 2.0008358 0.0717 13.9526 0.0128 78.3383 0.5361 1.8652

334 0.0767 13.0380 0.0137 73.2028 0.5735 1.7429

378 0.0819 12.2104 0.0146 68.5562 0.6126 1.6323

4 0.0873 11.4592 0.0155 64.3384 0.6528 1.5319

418 0.0928 10.7752 0.0165 60.4982 0.6942 1.4404414 0.0985 10.1507 0.0175 56.9918 0.7369 1.3569

438 0.1044 9.5789 0.0186 53.7816 0.7809 1.2805

412 0.1104 9.0541 0.0197 50.8353 0.8262 1.2104458 0.1167 8.5713 0.0208 48.1246 0.8727 1.1458

434 0.1231 8.1262 0.0219 45.6250 0.9205 1.0863

478 0.1296 7.7148 0.0231 43.3153 0.9696 1.0313

5 0.1364 7.3339 0.0243 41.1766 1.0200 0.9804518 0.1433 6.9805 0.0255 39.1925 1.0716 0.9332

514 0.1503 6.6520 0.0268 37.3484 1.1245 0.8892

538 0.1576 6.3462 0.0281 35.6314 1.1787 0.8484

512 0.1650 6.0610 0.0294 34.0302 1.2342 0.8102558 0.1726 5.7947 0.0307 32.5346 1.2909 0.7746

534 0.1803 5.5455 0.0321 31.1354 1.3489 0.7413

578 0.1883 5.3120 0.0335 29.8246 1.4082 0.7101

6 0.1963 5.0930 0.0350 28.5948 1.4688 0.6808618 0.2046 4.8872 0.0364 27.4396 1.5306 0.6533

614 0.2131 4.6937 0.0379 26.3530 1.5937 0.6275

638 0.2217 4.5114 0.0395 25.3297 1.6581 0.6031612 0.2304 4.3396 0.0410 24.3648 1.7238 0.5801658 0.2394 4.1774 0.0426 23.4541 1.7907 0.5584

634 0.2485 4.0241 0.0443 22.5935 1.8589 0.5379

678 0.2578 3.8791 0.0459 21.7793 1.9284 0.5186


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Drillers Data6.0

156

Table 6-11. Capacities of various diameter holes

OD (in.) ft3/ft ft/ft3 bbl/ft ft/bbl gal/ft ft/gal

7 0.2673 3.7418 0.0476 21.0085 1.9992 0.5002

718 0.2769 3.6116 0.0493 20.2778 2.0712 0.4828714 0.2867 3.4882 0.0511 19.5846 2.1445 0.4663

738 0.2967 3.3709 0.0528 18.9263 2.2191 0.4506

712 0.3068 3.2595 0.0546 18.3007 2.2950 0.4357

758 0.3171 3.1535 0.0565 17.7056 2.3721 0.4216

734 0.3276 3.0526 0.0583 17.1391 2.4505 0.4081778 0.3382 2.9565 0.0602 16.5993 2.5302 0.3952

8 0.3491 2.8648 0.0622 16.0846 2.6112 0.3830

818 0.3601 2.7773 0.0641 15.5935 2.6934 0.3713814 0.3712 2.6938 0.0661 15.1245 2.7769 0.3601

838 0.3826 2.6140 0.0681 14.6764 2.8617 0.3494

812 0.3941 2.5377 0.0702 14.2480 2.9478 0.3392858 0.4057 2.4646 0.0723 13.8380 3.0351 0.3295

8

3

4

0.4176 2.3947 0.0744 13.4454 3.1237 0.3201878 0.4296 2.3277 0.0765 13.0693 3.2136 0.3112

9 0.4418 2.2635 0.0787 12.7088 3.3048 0.3026

918 0.4541 2.2019 0.0809 12.3630 3.3972 0.2944914 0.4667 2.1428 0.0831 12.0311 3.4909 0.2865

938 0.4794 2.0861 0.0854 11.7124 3.5859 0.2789

912 0.4922 2.0315 0.0877 11.4063 3.6822 0.2716958 0.5053 1.9791 0.0900 11.1119 3.7797 0.2646

934 0.5185 1.9287 0.0923 10.8288 3.8785 0.2578

978 0.5319 1.8802 0.0947 10.5564 3.9786 0.2513

10 0.5454 1.8335 0.0971 10.2941 4.0800 0.2451

1018 0.5591 1.7885 0.0996 10.0415 4.1826 0.23911014 0.5730 1.7451 0.1021 9.7981 4.2865 0.2333

1038 0.5871 1.7033 0.1046 9.5634 4.3917 0.2277

1012 0.6013 1.6630 0.1071 9.3371 4.4982 0.22231058 0.6157 1.6241 0.1097 9.1187 4.6059 0.2171

1034 0.6303 1.5866 0.1123 8.9079 4.7149 0.2121

1078 0.6450 1.5503 0.1149 8.7043 4.8252 0.2072

11 0.6600 1.5153 0.1175 8.5076 4.9368 0.20261118 0.6750 1.4814 0.1202 8.3174 5.0496 0.1980

1114 0.6903 1.4487 0.1229 8.1336 5.1637 0.1937

1138 0.7057 1.4170 0.1257 7.9559 5.2791 0.1894

1112 0.7213 1.3864 0.1285 7.7839 5.3958 0.18531158 0.7371 1.3567 0.1313 7.6174 5.5137 0.1814

1134 0.7530 1.3280 0.1341 7.4561 5.6329 0.1775

1178 0.7691 1.3002 0.1370 7.3000 5.7534 0.1738

12 0.7854 1.2732 0.1399 7.1487 5.8752 0.17021218 0.8018 1.2471 0.1428 7.0021 5.9982 0.1667

1214 0.8185 1.2218 0.1458 6.8599 6.1225 0.1633

1238 0.8353 1.1972 0.1488 6.7220 6.2481 0.16001212 0.8522 1.1734 0.1518 6.5883 6.3750 0.15691258 0.8693 1.1503 0.1548 5.4584 6.5031 0.1538

1234 0.8866 1.1279 0.1579 6.3324 6.6325 0.1508

1278 0.9041 1.1061 0.1610 6.2101 6.7632 0.1479

gal/ft = ft3/ft 7.48


29/38

Drillers Data 6.0

157

Table 6-12. Annular velocity constants

Drillpipe Hole AnnularOD Size Volume(in.) (in.) (gal/ft)

5 1214 5.10

978 2.96

834 2.10812 1.93

412 1214 5.30

978 3.15

812 2.12778 1.70

312 634 1.36

612 1.22

618 1.04

Pump output (gpm)/annular volume (gal/ft) = annular velocity (ft/min)


30/38

Drillers Data6.0

158

Table 6-13. Density or mass per unit volume

Multiply Grams Kilograms Pounds Pounds Poundsper Cubic per Cubic per Cubic per Cubic per

to Obtain by Centimeter Meter Foot Inch Gallon

Gramsper CubicCentimeter 1 0.001 1.602 102 27.68 0.1198

Kilograms

per CubicMeter 1000 1 16.02 2.768 104 119.8

Poundsper CubicFoot 62.43 6.243 102 1 1728 7.479

Poundsper CubicInch 3.613 102 3.613 105 5.787 104 1 4.329 104

Poundsper Gallon 8.347 8.33 103 13.37 102 231.0 1

Table 6-14. Temperature

F C R K

1.8C + 32 59(F 32) F + 459.69 C + 273.16


31/38

159

Table 6-15. Length

Multiply

Nauticalto Obtain by Centimeters Feet Inches Kilometers Miles Me

Centimeters 1 30.48 2.540 105 1.853 105 1

Feet 3.281 102 1 8.333 102 3281 6080.27 3.2

Inches 0.3937 12 1 3.937 104 7.296 104 39

Kilometers 105 3.048 104 2.540 105 1 1.853 0.0

Nautical

Miles 1.645 104 0.5396 1 5.396

Meters 0.01 0.3048 2.540 102 1000 1853

Mils 393.7 1.2 104 1000 3.937 107 3.937

Miles 6.214 106 1.894 104 1.578 105 0.6214 1.1516 6.214

Millimeters 10 304.8 25.40 105 10

Yards 1.094 102 0.3333 2.778 102 1094 2027 1.0


32/38

160 Table 6-16. Area

Multiply

Circular Square Square Square Squto Obtain by Acres Mils Centimeters Feet Inches Kilom

Acres 1 2.296 105 247

Circular

Mils 1 1.973 105 1.833 108 1.273 106

Square

Centimeters 5.067 106 1 929.0 6.452 10

SquareFeet 4.356 104 1.076 103 1 6.944 103 1.076

Square

Inches 6,272,640 7.854 107 0.1550 144 1 1.550

Square

Kilometers 4.047 103 1010 9.290 108 6.452 1010 1

SquareMeters 4047 0.0001 9.290 102 6.452 104 10

SquareMiles 1.562 103 3.861 1011 3.587 108 0.38

Square

Millimeters 5.067 104 100 9.290 104 645.2 10

Square

Yards 4840 1.196 104 0.1111 7.716 104 1.196


33/38

161

Table 6-17. Volume

Multiply

Barrels Cubic Cubic Cubic Cubic Cubto Obtain by (U.S.) Centimeters Feet Inches Meters Yar

Barrels (U.S.) 1 6.289 106 0.1781 1.0316 104 6.289 4.8

Cubic

Centimeters 158,984 1 2.832 104 16.39 106 7.646

Cubic Feet 5.614 3.531 105 1 5.787 104 35.31 2

CubicInches 9701 6.102 102 1728 1 6.102 104 46,6

CubicMeters 0.1589 106 2.832 102 1.639 105 1 0.76

Cubic

Yards 0.208 1.308 106 3.704 102 2.143 105 1.308 1

Gallons

(Liquid) 42 2.642 104 7.481 4.329 103 264.2 202

Liters 1.58.984 0.001 28.32 1.639 102 1000 764

Pints(Liquid) 336 2.113 103 59.84 3.463 102 2113 16

Quarts

(Liquid) 168 1.057 103 29.92 1.732 102 1057 807


34/38

Table 6-18. Mass and weig

Multiply

to Obtain by Grains Grams Kilograms Milligrams Ounces

Grains 1 15.43 1.543 104 1.543 102 437.5

Grams 6.481 102 1 1000 0.001 28.35

Kilograms 6.481 105 0.001 1 106 2.835 102

Milligrams 64.81 1000 106 1 2.835 104

Ounces 2.286 103 3.527 102 35.27 3.527 105 1

Pounds 1.429 104 2.205 103 2.205 2.205 106 6.250 102

Tons (Long) 9.842 107 9.842 104 9.842 1010 2.790 105

Tons (Metric) 106 0.001 109 2.835 105

Tons (Short) 1.102 106 1.102 103 1.102 109 3.125 105

Avoirdupois pounds and ounces

162


35/38

163

Table 6-19. Pressure or force per

Multiply Bayres orDynes per Centimeters Inches Inches Kilog

Atmo- Square of Mercury of Mercury of Water per Sqto Obtain by

spheres

Centimeter

at 0C

at 0C

at 4C MetAtmospheres 1 9.869 107 1.316 102 3.342 102 2.458 103 9.678

Bayres or

Dynes per

Square

Centimeter 1.013 106 1 1.333 104 3.386 104 2.491 103 98.

Centimetersof Mercury

at 0C 76.00 7.501 105 1 2.540 0.1868 7.356

Inches

of Mercuryat 0C 29.92 2.953 105 0.3937 1 7.355 102 2.896

Inches

of Water

at 4C 406.8 4.015 104 5.354 13.60 1 3.937

Kilograms

per SquareMeter 1.033 104 1.020 102 136.0 345.3 25.40 1


36/38

164

Table 6-19. Pressure or force per

Multiply Bayres orDynes per Centimeters Inches Inches Kilog

Atmos- Square of Mercury of Mercury of Water per Sqto Obtain by pheres Centimeter at 0C at 0C at 4C Met

Pounds

per Square

Foot 2117 2.089 103 27.85 70.73 5.204 0.20

Poundsper Square

Inch 14.70 1.450 105 0.1934 0.4912 3.613 102 1.422

Tons (Short)

per SquareFoot 1.058 1.044 105 1.392 102 3.536 102 2.601 103 1.024

Pascals 1.013 105 101 1.333 103 3.386 103 2.491 104 9.8

One atmosphere (standard) = 76 cm of mercury at 0C Bar To convert height hof a column of mercury at tC to the equivalent height h0 at 0C, use h0 = h {1 [(ml) t/1 + mt]}, whe

l= 8.5 106 if on glass. This assumes the scale is correct at 0C; for other cases (any liquid) see International Critical Tab1 gram per square centimeter = 10 kilograms per square meterpsi = MPa 145.038

psi/ft = 0.433 g/cm3 = lb/ft3/144 = lb/gal/19.27


37/38

Drillers Data 6.0

Engineering Formulas

Mechanical horsepower

Hydraulic horsepower

Motor efficiency

165

hptorque rpm

Wtorque rpm

US

metric

( )

( )

=[ ] [ ]

=[ ] [ ]

ft-lbf 1/min

N m 1/min

5252

2

60

hpgpm psi

Wmud flow bar

US

metric

( )

( )

=

= [ ]

1714

100

60

liter/min

%.

%

( )

( )

US

metric

torque rpm

gpm psi

hydraulic energy

=

=

32 64

100 mechanical energy


38/38

Fluid velocity

Hydrostatic pressure

Bit pressure drop

Drillers Data6.0

vgpm

flow area

vmud flow

flow area

ft/s

m/sm /s

m

3

2

[ ] =

[ ] =[ ]

[ ]

0 3208.

psigpm mud weight

total flow area

pascalsmud flow mud weight

total flow area

=

( )

=

( ) [ ] [ ]( ) [ ]

2

2

2

2

10 858,

m /s m

m

3 3

2

psi depth mud weight

pascals depth specific gravity

= [ ] [ ]

= [ ] [ ]

0 052

9 81

.

.

ft ppg

m m3

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