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) Total 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: NC 61
  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: 1000KN
  9. Max pulling force after jarring: 2800KN
  10. Max.downward jarring force: 500KN
  11. Max. tensile load: 6500KN
  12. Max torque: 133 KN•m
  13. Operatlon torque: 35KN•m
  14. Unlocking force (Up jarring KN): 425±25
  15. Unlocking force (Down jarring KN):205±25
2030 8120

QYSZ165III Technical Passport

Type Specifications

Unit Weight (kg)

Total 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: 700KN
  9. Max pulling force after jarring: 2000KN
  10. Max. downward jarring force : 350KN
  11. Max tensile load: 3700KN
  12. Max torque: 75KN•m
  13. Operation torque: 25KN•m
  14. Unlocking force (Up jarring KN): 420±25
  15. Unlocking force (Down jarring KN): 180±25
1270 2540

QYSZ121III Technical Passport

Type Specification Unit Weight (kg) Total 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: 350KN
  9. Max pulling force after jarring: 1000KN
  10. Max. downward jarring force: 200KN
  11. Max. tensile load: 1550KN
  12. Max torque: 18KN•m
  13. Operation torque: 10KN•m
  14. Unlocking force (Up jarring KN): 180±25
  15. Unlocking force (Down jarring KN): 80±25
560 1120