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 - Outer diameter: 203mm
- Orifice diameter: 76mm
- Operating temperature: 150°C
- Connecting threads: NC61
- Overall length (mm): 9361
- Upper Free Stroke (mm): 317.5
- Lower Free Stroke (mm): 317.5
- Max pulling force for jarring: 1000 kN
- Max pulling force after jarring: 2800 kN
- Max.downward jarring force: 500 kN
- Max. tensile load: 6500 kN
- Max torque: 133 kN•m
- Operatlon torque: 35 kN•m
- Unlocking force (Up jarring kN): 425±25
- 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 - Outer diameter: 165 mm
- Orifice diameter: 70 mm
- Operating temperature: 150°C
- Connecting threads: NC46
- Overall length (mm): 8899
- Upper Free Stroke (mm):317.5
- Lower Free Stroke(mm): 317.5
- Max pulling force for jarring: 700 kN
- Max pulling force after jarring: 2000 kN
- Max. downward jarring force : 350 kN
- Max tensile load: 3700 kN
- Max torque: 75 kN•m
- Operation torque: 25 kN•m
- Unlocking force (Up jarring kN): 420±25
- 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 - Outer diameter: 121 mm
- Orifice diameter: 50.8 mm;
- Operating temperature: 150°C;
- Connecting threads: NC35
- Overall length(mm): 8238
- Upper Free Stroke(mm): 317.5
- Lower Free Stroke(mm): 317.5
- Max pulling force for jarring: 350 kN
- Max pulling force after jarring: 1000 kN
- Max. downward jarring force: 200 kN
- Max. tensile load: 1550 kN
- Max torque: 18 kN•m
- Operation torque: 10 kN•m
- Unlocking force (Up jarring kN): 180±25
- 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 - Outer diameter: 109.5 mm
- Orifice diameter: 38 mm;
- Operating temperature: 204°C;
- Connecting threads: NC31
- Overall length(mm): 4455
- Upper Free Stroke(mm): 265
- Lower Free Stroke(mm): 265
- Max pulling force for jarring: 120 kN
- Max pulling force after jarring: 250 kN
- Max. downward jarring force: -- kN
- Max. tensile load: 1350 kN
- Max torque: 16 kN•m
- Operation torque: 10 kN•m
- Unlocking force (Up jarring kN): 160±25
- 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 - Outer diameter: 203 mm
- Orifice diameter: 71 mm;
- Operating temperature: 150°C;
- Connecting threads: 6-5/8" REG
- Overall length(mm): 6100
- Upper Free Stroke(mm): 152
- Lower Free Stroke(mm): 152
- Max pulling force for jarring: 687 kN
- Max pulling force after jarring: 999 kN
- Max. downward jarring force: 2972 kN
- 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 - Outer diameter: 165 mm
- Orifice diameter: 57 mm;
- Operating temperature: 150°C;
- Connecting threads: NC46
- Overall length(mm): 5900
- Upper Free Stroke(mm): 102
- Lower Free Stroke(mm): 152
- Max pulling force for jarring: 599 kN
- Max pulling force after jarring: 781 kN
- Max. downward jarring force: 2538 kN
- 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 - Outer diameter: 121 mm
- Orifice diameter: 57 mm;
- Operating temperature: 150°C;
- Connecting threads: NC38
- Overall length(mm): 5100
- Upper Free Stroke(mm): 127
- Lower Free Stroke(mm): 127
- Max pulling force for jarring: 244 kN
- Max pulling force after jarring: 333 kN
- Max. downward jarring force: 1198 kN
- Max torque: 20.5 kN•m
| 317 |
