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Shock Tools

The Drilling Solutions ST5 Shock Tool is designed for a wide range of drilling conditions. When drilling gets rough, you need a tool that isolates the drill string and keeps the bit on the bottom. Whether you’re running the ST5 in deep, hot, deviated or normal wells, the shock tool’s innovative spring design dampens vibration in even the harshest conditions, helping to reduce rig floor maintenance costs.

Benefits & Features

  • Increased bit life
  • Increased penetration rate, by ensuring optimum bit weight and RPM
  • Minimization of hole deviation by dampening transient loads and controlling net forces at the bit
  • Lengthened drill string component life by reducing cyclic loading
  • Reduced rig floor maintenance costs by reducing vibrations at the surface.

Operating Instructions

For optimal tool performance, the Cougar DS ST5 Shock Tool should be placed just above the bit to minimize the amount of un-sprung mass below the tool. Please note: Improper location in the bottom hole assembly can cause severe damage to the shock tool.

The Cougar ST5 Shock should be placed where it is exposed to minimum side loading or bending stress. The shock tool should have the equivalent amount of stabilization on either end. If it is stabilized at the lower connection, there should be stabilization within 30 ft. of the upper connection.

English Units
Pump Open Force
OD (in.) ID (in.) Approximate Shipping Weight (lb.) Length (ft.) Piston Area (in.2) Ported Piston Area (in.2) Maximum Torque (ft.-lb.) Stroke (in.)
43/4 17/16 550 12 11.0 1.9 17,000 3
61/2 21/4 1,000 12 18.6 2.3 40,000 3
63/4 21/4 1,100 12 22.7 3.9 40,000 3
8 21/2 1,500 12 30.7 5.0 68,000 31/8
9 213/16 1,900 12.5 41.3 7.7 93,000 31/8
10 21/2 2,400 12.5 41.3 7.7 94,000 31/8
11 21/2 3,000 12.5 56.7 7.7 166,000 4
12 3 4,500 15.75 70.9 15.9 175,000 4
SI Units
Pump Open Force
OD (mm) ID (mm) Approximate Shipping Weight (kg) Length (m) Piston Area (cm2) Ported Piston Area (cm2) Maximum Torque (Nm) Stroke (mm)
121 36 250 3.7 71 12 23,000 76
165 58 450 3.7 120 34 54,000 76
171 57 500 3.7 146 25 54,000 76
203 64 700 3.7 198 32 92,000 79
229 71 850 3.8 266 50 126,000 79
254 64 1100 3.8 266 50 127,000 79
279 64 1350 3.8 365 50 225,000 101
305 76 2050 4.8 457 103 237,000 101

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