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Falcon Vertical Double-Acting Hydraulic Drilling Jar (VHJDA)
Brand: Wenzel Downhole ToolsThe Wenzel Downhole Tools Falcon Vertical Double-Acting Hydraulic Drilling Jar (VHJDA) is a bi-directional drilling jar developed to perform in the extreme conditions of deep vertical gas wells.
Features- Optimized connections with increased thread engagement throughout tool.
- Robust star spline torque transmission design.
- Integrated flex collars provide easy flexibility on matching BHA connections.
- Increased internal radial support lengths.
- Jar sized to drill collars, balancing bend strengths.
- Hydraulic jarring in both directions; impact force controlled by the operator during metering delay.
- Metering device ensures consistent delay times over a full range of operating temperatures.
- Standard seals in the tool are effective to 250°F (120°C). The jar can be dressed with seals effective to 400°F (200°C) for hot hole environments, and 450°F (230°C) for extreme temperature environments. External sealing surfaces are tungsten carbide-coated to enhance wear and corrosion resistance.
Specifications
Brand
Nominal OD
- 9.12 on (232 mm)
Length
- 30.7 ft (9.3 m)
Thru Bore
- 3.00 in (76 mm)
Tensile Yiel
- 1,600,000 lbs (711,700 daN)
Torsional Limit
- 150,000 ft lbs (203,400 Nm)
Maximum Pull During Delay
- 300,000 lbs (133,400 daN)
Free Stroke Up/Down
- 8.0 in (200 mm)
Total Stroke
- 25.0 in (640 mm)