Drilling Accelerator and Two-action Drilling Accelerator

Description

API Drilling Accelerator

RIGRS model “ZJQ” Drilling Accelerator can be stored energy by hydraulic spring as to increase the jarring force for Hydraulic Jar. It should be applied with Hydraulic Drilling Jar Type QYⅡ jointly.
The drill collar and Hydraulic Jar (below the Drill Accelerator ) can function an accelerated effect when jarring operates as for making the stuck point gain more jarring force that can increase force for two times at the highest. Meanwhile, it can decrease the bounce-back shock after jarring as to protect the drill tools above Drill Accelerator.

Model 0.D.
mm(in)
1.D.mm(i
n)
Connection
API
Max
Stroke
mm
Tension
of full
Stroke
kN(Ibf)
Hole Seal
Pressure
Mpa(psi)
Max
Working
Load
kN(Ibf)
Max
Torque
kN.
m(lbf-ft)
Length
mm(in)
ZJQ46 121
(4-3/4)
50
(2)
NC38 350
(133/4)
350
(78700)
30 1100
(247000)
15
(11000)
7430
(2921/2)
ZJQ62 159
(61/4)
57
(21/4)
NC50 350
(133/4)
  700
(157400)
30 1900
(420000)
25
(18400)
7780
(3061/4)
ZJQ64 165
(61/2)
57
(21/4)
NC50 350
(133/4)
  700
(157400)
30 2000
(449600)
25
(18400)
7780
(3061/4)
ZJQ76 197
(73/4)
61.9
(27/16)
65/8REG 350
(133/4)
  1000
(224800)
30 2600
(584500)
30
(22120)
7630
(3003/8)
ZJQ80 203
(8)
76.2
(3)
65/8REG 350
(133/4)
  1000
(224800)
30 3000
(674400)
45
(33200)
7752
(3053/16)
ZJQ95 241
(91/2)
76
(3)
75/8REG 350
(133/4)
  1200
(270000)
30 4000
(900000)
60
(44200)
6752
(26513/16)
API Two-action Drilling Accelerator

RIGRS two-action Drill Accelerator Type SZJQ can be stored energy by hydraulic spring. It should be applied with Model QYⅡ Hydraulic Drilling Jar jointly. The drill collar and Hydraulic Jar (below the Drill Accelerator ) can function an accelerated effect when jarring operates as for making the stuck point gain more jarring force. Meanwhile, it can decrease the damage of tremor produced by up-down jarring for drill tools above Drill Accelerator.

I.D
mm(in)
Connection
API
Max.Up-
jarring
Stroke
mm(in)
Max.Down-
jarring Stroke
mm(in)
Hole Seal
Pressure
Mpa(psi)
Max
Working
Load
kN(Ibf)
Yield
Tension
kN(Ibf)
Max
Torque
kN.
m(lbf-ft)
Yield
Torque
kN.
m(lbf-ft)
Length
mm(in)
SZJQ95 95(33/4) 32(11/4) NC26 178
(7)
178
(7)
35
(5000)
600
(135000)
800
(180000)
4
(3000)
   40
(29500)
6651
(2617/8)
SZJQ121 121(43/4) 50(2) NC38 178
(7)
178
(7)
1100
(247000)
1560
(350000)
15
(11000)
   27
(20000)
7185
(282%)
SZJQ165 165(61/2) 57(21/4) NC50 165
(61/2)
165
(61/2)
2000
(450000)
3750
(700000)
25
(18400)
   75
(55300)
7476
(2943/8)
SZJQ197 197(73/4) 70(23/4) 65/8REG 203
(8)
203
(8)
2600
(585000)
4000
(900000)
30
(22100)
   100
(73700)
8000
(315)
SZJQ203 203(8) 70(23/4) 65/8REG 203
(8)
203
(8)
2600
(585000)
4000
(900000)
30
(22100)
   100
(73700)
8000
(315)
SZJQ241 241(91/2) 76(3) 75/8REG 254
(10)
254
(10)
3500
(787000)
5800
(1300000)
40
(29500)
   180
(133000)
7259
(285%)

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