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Shock-Subs

Brand: Dynomax Drilling Tools Inc
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Reducing Impacts for smooth operations, controls vibration levels, and extends BHA life.

Whether performing through normal, deviated or deep wells, your drill string assembly must withstand extreme conditions including torsional vibration, axial oscillations/loads and drill string harmonics.

Dynomax Shock Subs are designed for a wide range of drilling environments and extreme conditions. Shock Subs improve the life and durability of your drill string assembly, improving online efficiency and reducing operating costs.

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Specifications

Brand

Config

  • 2-7/8”
  • 3 1/8”
  • 3-3/4”
  • 4-3/4”
  • 5”
  • 6 1/2”
  • 6 1/2” LT
  • 6 3/4”
  • 6 3/4” LT
  • 8”
  • 8” LT
  • 9 1/2”
  • 9 1/2” LT
  • 11 1/4”
  • 12”
  • 14”

Tool OD (inch)

  • 2.88
  • 3.13
  • 3.75
  • 4.75
  • 5
  • 6.5
  • 6.75
  • 8
  • 9.5
  • 11.25
  • 12
  • 14

Tool I.D. (inch)

  • 0.88
  • 1.00
  • 1.25
  • 1.75
  • 2.50
  • 2.81
  • 3.00
  • 3.50
  • 3.25

Length (ft)

  • 4.5
  • 5.2
  • 7.2
  • 8.1
  • 9.6
  • 11.2
  • 12.2
  • 13.8
  • 15.3
  • 13.3
  • 15.0

Weight (lbs)

  • 74
  • 106
  • 197
  • 365
  • 408
  • 781
  • 780
  • 835
  • 1,340
  • 1,339
  • 2,466
  • 2,473
  • 3,796
  • 3,841
  • 5,934

Axial Load Capacity (lbs)

  • 8,400
  • 10,700
  • 10,550
  • 29,650
  • 55,150
  • 30,950
  • 86,850
  • 39,050
  • 143,050
  • 74,100
  • 192,000
  • 100,000
  • 140,450

Absolut Overpull (lbs)

  • 130,600
  • 207,500
  • 243,200
  • 323,100
  • 406,800
  • 728,500
  • 725,300
  • 1,439,800
  • 2,776,300
  • 2,176,700
  • 3,288,400

Absolute Torsional Load (ft-lbs)

  • 3,100
  • 5,000
  • 7,400
  • 12,200
  • 20,500
  • 39,100
  • 39,400
  • 49,900
  • 109,500
  • 160,100
  • 156,200
  • 184,500

Pump Open Area (in²)

  • 2.49
  • 2.80
  • 4.69
  • 7.22
  • 14.73
  • 24.58
  • 34.33
  • 43.96
  • 48.45
  • 66.37

Spring Rate (lbs/in)

  • 8,000
  • 9,000
  • 6,000
  • 14,000
  • 23,900
  • 8,600
  • 28,000
  • 10,000
  • 33,850
  • 18,400
  • 36,350
  • 25,159
  • 27,000

Opening Travel (inch)

  • 0.89
  • 1.01
  • 0.96
  • 0.98
  • 1.46
  • 2.39
  • 2.36
  • 2
  • 3

Closing Travel (inch)

  • 0.90
  • 1.01
  • 1.50
  • 1.81
  • 1.98
  • 3.08
  • 2.65
  • 3.31
  • 3.60
  • 3.43
  • 4.51
  • 3.40
  • 4.43

Documentation

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