HYDRAULIC DRILLING JARS

Hydraulic Drilling Jars

There are also 40 units of hydraulic jars manufactured by BICO DRILLING TOOLS and TIANHE OIL GROUP on the company's balance sheet, which are integral elements of BHA while drilling vertical and directional wells.

QYSZ203III Technical Passport

Type Specifications Unit Weight (kg)

QYS2203B

Double acting hydraulic drilling jar Ø 203 mm

  1. Outer diameter: 203mm
  2. Orifice diameter: 76mm
  3. Operating temperature: 150°C
  4. Connecting threads: NC61
  5. Overall length (mm): 9361
  6. Upper Free Stroke (mm): 317.5
  7. Lower Free Stroke (mm): 317.5
  8. Max pulling force for jarring: 1000 kN
  9. Max pulling force after jarring: 2800 kN
  10. Max.downward jarring force: 500 kN
  11. Max. tensile load: 6500 kN
  12. Max torque: 133 kN•m
  13. Operatlon torque: 35 kN•m
  14. Unlocking force (Up jarring kN): 425±25
  15. Unlocking force (Down jarring kN):205±25
2030

QYSZ165III Technical Passport

Type Specifications

Unit Weight (kg)

QYSZ165B

Double acting hydraulic drilling jar Ø 165 mm

  1. Outer diameter: 165 mm
  2. Orifice diameter: 70 mm
  3. Operating temperature: 150°C
  4. Connecting threads: NC46
  5. Overall length (mm): 8899
  6. Upper Free Stroke (mm):317.5
  7. Lower Free Stroke(mm): 317.5
  8. Max pulling force for jarring: 700 kN
  9. Max pulling force after jarring: 2000 kN
  10. Max. downward jarring force : 350 kN
  11. Max tensile load: 3700 kN
  12. Max torque: 75 kN•m
  13. Operation torque: 25 kN•m
  14. Unlocking force (Up jarring kN): 420±25
  15. Unlocking force (Down jarring kN): 180±25
1270

QYSZ121III Technical Passport

Type Specification Unit Weight (kg)

QYSZ121B

Double acting hydraulic drilling jar Ø 121 mm

  1. Outer diameter: 121 mm
  2. Orifice diameter: 50.8 mm;
  3. Operating temperature: 150°C;
  4. Connecting threads: NC35
  5. Overall length(mm): 8238
  6. Upper Free Stroke(mm): 317.5
  7. Lower Free Stroke(mm): 317.5
  8. Max pulling force for jarring: 350 kN
  9. Max pulling force after jarring: 1000 kN
  10. Max. downward jarring force: 200 kN
  11. Max. tensile load: 1550 kN
  12. Max torque: 18 kN•m
  13. Operation torque: 10 kN•m
  14. Unlocking force (Up jarring kN): 180±25
  15. Unlocking force (Down jarring kN): 80±25
560

QY108NC31 Technical Passport

Type Specification Unit Weight (kg)
QY108NC31

Double acting hydraulic drilling jar Ø 108 mm

  1. Outer diameter: 109.5 mm
  2. Orifice diameter: 38 mm;
  3. Operating temperature: 204°C;
  4. Connecting threads: NC31
  5. Overall length(mm): 4455
  6. Upper Free Stroke(mm): 265
  7. Lower Free Stroke(mm): 265
  8. Max pulling force for jarring: 120 kN
  9. Max pulling force after jarring: 250 kN
  10. Max. downward jarring force: -- kN
  11. Max. tensile load: 1350 kN
  12. Max torque: 16 kN•m
  13. Operation torque: 10 kN•m
  14. Unlocking force (Up jarring kN): 160±25
  15. Unlocking force (Down jarring kN): 70±25
250

BICO-Faster 8" Technical Passport

Type Specification Unit Weight (kg)
BICO-Faster 8" (203 mm)

Double acting hydraulic drilling jar Ø 203 mm

  1. Outer diameter: 203 mm
  2. Orifice diameter: 71 mm;
  3. Operating temperature: 150°C;
  4. Connecting threads: 6-5/8" REG
  5. Overall length(mm): 6100
  6. Upper Free Stroke(mm): 152
  7. Lower Free Stroke(mm): 152
  8. Max pulling force for jarring: 687 kN
  9. Max pulling force after jarring: 999 kN
  10. Max. downward jarring force: 2972 kN
  11. Max torque: 98.95 kN•m
1270

BICO-Faster 6-1/2" Technical Passport

Type Specification Unit Weight (kg)
BICO-Faster 6-1/2" (165 mm)

Double acting hydraulic drilling jar Ø 165 mm

  1. Outer diameter: 165 mm
  2. Orifice diameter: 57 mm;
  3. Operating temperature: 150°C;
  4. Connecting threads: NC46
  5. Overall length(mm): 5900
  6. Upper Free Stroke(mm): 102
  7. Lower Free Stroke(mm): 152
  8. Max pulling force for jarring: 599 kN
  9. Max pulling force after jarring: 781 kN
  10. Max. downward jarring force: 2538 kN
  11. Max torque: 43.85 kN•m
725

BICO-Faster 4-3/4"  Technical Passport

Type Specification Unit Weight (kg)
BICO-Faster 4-3/4" (121 mm)

Double acting hydraulic drilling jar Ø 121 mm

  1. Outer diameter: 121 mm
  2. Orifice diameter: 57 mm;
  3. Operating temperature: 150°C;
  4. Connecting threads: NC38
  5. Overall length(mm): 5100
  6. Upper Free Stroke(mm): 127
  7. Lower Free Stroke(mm): 127
  8. Max pulling force for jarring: 244 kN
  9. Max pulling force after jarring: 333 kN
  10. Max. downward jarring force: 1198 kN
  11. Max torque: 20.5 kN•m
317