Formulas and Calculations for Drilling, Production and Workover: All the Formulas You Need to Solve Drilling and Production Problems, Second Edition

Appendix A

Overview

Table A-1: DRILL PIPE CAPACITY AND DISPLACEMENT (English System)

Size OD in.

Size ID in.

WEIGHT lb/ft

CAPACITY bbl/ft

DISPLACEMENT bbl/ft

2-3/8

1.815

6.65

0.00320

0.00279

2-7/8

2.150

10.40

0.00449

0.00354

3-1/2

2.764

13.30

0.00742

0.00448

3-1/2

2.602

15.50

0.00658

0.00532

4

3.340

14.00

0.01084

0.00471

4-1/2

3.826

16.60

0.01422

0.00545

4-1/2

3.640

20.00

0.01287

0.00680

5

4.276

19.50

0.01766

0.00652

5

4.214

20.50

0.01730

0.00704

5-1/2

4.778

21.90

0.02218

0.00721

5-1/2

4.670

24.70

0.02119

0.00820

5-9/16

4.859

22.20

0.02294

0.00712

6-5/8

5.9625

25.20

0.03456

0.00807

Table A-2: HEAVY WEIGHT DRILL PIPE AND DISPLACEMENT

Size OD in.

Size ID in.

WEIGHT lb/ft

CAPACITY bbl/ft

DISPLACEMENT bbl/ft

3-1/2

2.0625

25.3

0.00421

0.00921

4

2.25625

29.7

0.00645

0.01082

4-1/2

2.75

41.0

0.00743

0.01493

5

3.0

49.3

0.00883

0.01796

Additional capacities, bbl/ft, displacements, bbl/ft and weight, lb/ft can be determined from the following:


Weight, lb/ft = Displacement, bbl/ft 2747lb/bbl

Table A-3: DRILL PIPE CAPACITY AND DISPLACEMENT (Metric System)

Size OD in.

Size ID in.

WEIGHT lb/ft

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