6.500 X 3.250 DS50 Tool Joint Wear
6.500 X 3.250 DS50 Tool Joint Wear
6.500 X 3.250 DS50 Tool Joint Wear
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FOR REFERENCE ONLY<br />
Drill Pipe Performance Characteristics © Pipe Size and Weight: 5" 19.50 H-Series®<br />
Pipe Grade: S-135<br />
Range: 2<br />
<strong>Tool</strong> <strong>Joint</strong>: <strong>6.500</strong> X <strong>3.250</strong> <strong>DS50</strong><br />
Pipe<br />
New Premium New Premium<br />
OD (in) 5.000 4.855 Torsional strength (ft-lbs) 74,100 58,100<br />
Wall thickness (in) 0.362 0.290 Tensile strength (lbs) 712,100 560,800<br />
ID (in) 4.276 4.276<br />
Calculated plain end weight (lbs/ft) 17.913 14.106 80% Torsional strength (ft-lbs) 59,300 46,500<br />
Note: Premium properties are calculated based on uniform OD and wall thickness.<br />
Cross sectional area pipe body (in²) 5.275 4.154 Pressure capacity (psi) 17,105 16,105<br />
Cross sectional area OD (in²) 19.635 18.514 Collapse capacity (psi) 15,672 10,029<br />
Cross sectional area ID (in²) 14.360 14.360<br />
Section modulus (in³) 5.708 4.476<br />
Polar section modulus (in³) 11.415 8.953<br />
<strong>Tool</strong> <strong>Joint</strong> (120000 material Yield Strength) Drill pipe assembly with Grant Prideco<br />
<strong>DS50</strong> OD (in) <strong>6.500</strong> <strong>DS50</strong> HI TORQUE® Connection<br />
ID (in) <strong>3.250</strong><br />
Pin tong length (in) 9.0 Adjusted weight (lbs/ft) 22.57<br />
Box tong length (in) 12.0 Approximate length (ft) 31.42<br />
Torsional Strength (ft-lbs) 71,900 Fluid displacement (gal/ft) 0.345<br />
Max Recommended Make-up Torque (ft-lbs) 43,100 Fluid capacity (gal/ft) 0.726<br />
Min Recommended Make-up Torque (ft-lbs) 30,800<br />
Drift size (in) 3.125<br />
Balance OD (in) 6.435<br />
Tensile strength (lbs) 1,269,200<br />
<strong>Tool</strong> joint/Drill pipe torsional ratio (New pipe) 0.97<br />
<strong>Tool</strong> joint/Drill pipe torsional ratio (Prem pipe) 1.24<br />
Min OD for premium class (in) 5.938<br />
Minimum make-up is based on shoulder separation caused by bending.<br />
Brian Christen 8/5/2003
Torque Tension Curve: 5" 19.50 H-Series® S-135 Premium Class Drill Pipe with<br />
<strong>6.500</strong> 1,400,000 X <strong>3.250</strong> <strong>DS50</strong> HI TORQUE® <strong>Tool</strong> <strong>Joint</strong>. Curve Based on Calculation Method<br />
in API RP7G. Safety Factor =1.0<br />
Applied Tensile Load (lbs)<br />
1,200,000<br />
1,000,000<br />
800,000<br />
600,000<br />
400,000<br />
200,000<br />
0<br />
Brian Christen<br />
0 10,000 20,000 30,000 40,000 50,000 60,000 70,000 80,000<br />
Applied Torsional Load (ft-lbs)
Torsional Strength (ft-lbs)<br />
80,000<br />
70,000<br />
60,000<br />
50,000<br />
40,000<br />
30,000<br />
20,000<br />
10,000<br />
0<br />
Brian Christen<br />
<strong>6.500</strong> X <strong>3.250</strong> <strong>DS50</strong> <strong>Tool</strong> <strong>Joint</strong> <strong>Wear</strong><br />
6.50 6.38 6.25 6.13 6.00 5.88 5.75<br />
<strong>Tool</strong> <strong>Joint</strong> OD (in)<br />
<strong>3.250</strong> in ID <strong>DS50</strong><br />
80% 5" 19.50 H-Series® S-135 Prem Pipe<br />
Max Recommended Make-up Torque<br />
Min Recommended Make-up Torque