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String Book - Logan Oil Tools

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DriLL coLLar torQUe recommenDationS (ft-LBS) *<br />

Drill Drill Collar Bore (in)<br />

Connection Collar<br />

Size type o.D. - / - / - / 6 - /<br />

4-1/2 Xtra Hole 5-3/4 17,600 - 19,360 17,600 - 19,360 17,600 - 19,360 17,600 - 19,360 … Box<br />

API NC 46 6 23,200 - 25,520 23,200 - 25,520 22,200 - 24,420 20,200 - 22,220 … Pin<br />

4 API IF 6-1/4 28,000 - 30,800 25,500 - 28,050 22,200 - 24,420 20,200 - 22,220 … Pin<br />

4-1/2 Semi IF 6-1/2 28,000 - 30,800 25,500 - 28,050 22,200 - 24,420 20,200 - 22,220 … Pin<br />

5 DbI.Streamllne 6-3/4 28,000 - 30,800 25,500 - 28,050 22,200 - 24,420 20,200 - 22,220 … Pin<br />

4-1/2 Mod.Open … … … … … … …<br />

5-3/4 17,600 - 19,360 17,600 - 19,360 17,600 - 19,360 17,600 - 19,360 … Box<br />

6 23,400 - 25,740 23,400 - 25,740 23,000 - 25,300 21,000 - 23,100 … Pin<br />

4-1/2 H-90 6-1/4 28,500 - 31,350 26,000 - 28,600 23,000 - 25,300 21,000 - 23,100 … Pin<br />

6-1/2 28,500 - 31,350 26,000 - 28,600 23,000 - 25,300 21,000 - 23,100 … Pin<br />

6-3/4 28,500 - 31,350 26,000 - 28,600 23,000 - 25,300 21 000 - 23,100 … Pin<br />

6-1/4 25 000 - 27,500 25,000 - 27,500 25 000 - 27,500 25 000 - 27,500 … Box<br />

5 H-90 6-1/2 31,500 - 34,640 31,500 - 34,640 29,500 - 32,450 27,000 - 29,700 … Pin<br />

6-3/4 35,000 - 38,500 33,000 - 36,300 29,500 - 32 450 27,000 - 29,700 … Pin<br />

7 35,000 - 38,500 33,000 - 36,300 29 500 - 32,450 27,000 - 29,700 … Pin<br />

4-1/2 API IF 6-1/4 22,800 - 25,080 22,800 - 25,080 22,000 - 25,080 22,800 - 25,080 22,800 - 25,080 Box<br />

API NC 50 6-1/2 29,500 - 32,450 29 500 - 32 450 29 500 - 32 450 29 500 - 32 450 26,500 - 29,150 Pin<br />

5 Xtra Hole 6-3/4 36,000 - 39,600 35,500 - 39,050 32,000 - 35,200 30,000 - 33,000 26,500 - 29,150 Pin<br />

5 Mod.Open 7 38,000 - 41,800 35,500 - 39,050 32,000 - 35,200 30,000 - 33,000 26,500 - 29,150 Pin<br />

5-1/2 Dbl. Streamline 7-1/4 38,000 - 41,800 35,500 - 39,050 32,000 - 35,200 30,000 - 33,000 26,500 - 29,150 Pin<br />

5 Semi IF … … … … … …<br />

6-3/4 34,000 - 37,400 34,000 - 37,400 34,000 - 37,400 34,000 - 37,400 … Pin<br />

5-1/2 H-90 7 41,500 - 45,650 40,000 - 44,000 36,500 - 40,150 34,000 - 37,400 … Pin<br />

7-1/4 42 500 - 46,750 40,000 - 44,000 36,500 - 40,150 34,000 - 37,400 … Pin<br />

7-1/2 42,500 - 46,750 40,000 - 44,000 36,500 - 40,150 34,000 - 37,400 … Pin<br />

6-3/4 31,500 - 34,650 31,500 - 34,650 31,500 - 34,650 31,500 - 34,650 … Box<br />

5-1/2 API Regular 7 39,000 - 42,900 39,000 - 42,900 36,000 - 39,600 33,500 - 36,050 … Pin<br />

7-1/4 42,000 - 46,200 39,500 - 43,450 36,000 - 39,600 33,500 - 36,850 … Pln<br />

7-1/2 42 000 - 46 200 39 500 - 43 450 36,000 - 39,600 33,500 - 36,850 … Pin<br />

Weak<br />

Member<br />

* Adapted from API RP7G<br />

9

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