Page 673 - Air and Gas Drilling Manual

(13) 3 3 / 4 Appendix B: API Drill Collar and Drill Pipe Properties B-3
(12) 3

(11) 2 13 / 16
API Recommended Make-up Torque 1 for Rotary Shouldered Drill Collar Connections

(10) 2 1 / 2 7,411 7,411 7,411 *5,161 8,311 8,311 8,311 8,311

(9) 2 1 / 4 5,685 5,685 5,685 5,391 5,391 *9,038 9,202 9,202 *5,161 *8,479 10,144 10,144 10,144

(8) Minimum Make-up Torque ft-lb 2 Bore of Drill Collar, inches 2 *4,

(7) 1 3 / 4 1,749 1,749 1,749 2,926 2,926 2,926 3,697 3,697 *3,838 4,002 4,002 *4,089 *5,352 7,433 *4,640 *7,390 *6,466 *7,886 8,394 8,161 8,161 *9,038 12,273 12,273 *5,161 *8,479 *12,074 13,283 13,283

*2,508 2,647 2,647 *2,241 2,574 2,574 *3,797 4,151 4,151 *4,606 4,668 *3,838 4,951 4,951 *4,089 *5,352 *8,059 *4,640 *7,390 *6,466 *7,886 9,514 *8,858 9,307
(6) (5) 1 1 / 2 1 1 / 4 *2,508 *3,330 3,387 *2,241 *3,028 3,285 *3,797 *4,966 5,206 *4,606 5,501 *3,838 5,766 5,766 *4,089 *5,352 *8,059 *4,640 *7,390 *6,466 *7,886 10,471 *8,858 10,286
(See footnotes for use of this table.) (4) (3) OD, 1 in. *2,508 3 *3,330 3 1 / 8 4,000 3 1 / 4 3 3 1 / 8 3 1 / 4 3 3 1 / 8 3 1 / 4 3 1 / 2 3 3 / 4 3 1 / 2 3 3 / 4 3 7 / 8 3 3 / 4 3 7 / 8 4 1 / 8 3 7 / 8 4 1 / 8 4 1 / 8 4 1 / 4 4 1 / 2 4 1 / 4 4 1

Table B-2: (2) (1) Connection Size, Type in. NC23 API Regular 2 3 / 8 PAC 3 2 7 / 8 API IF 2 3 / 8 NC 26 API Regular 2 7 / 8 Slim Hole 2 7 / 8 Extra Hole 2 7 / 8 Double Streamline 3 1 / 2 Mod. Open 2