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Drilling and fishing jars
The unblocking and stress application device is a special downhole tool designed for unblocking the pipe column of oil and water well. Its working principle is to unblock smoothly through the water pressure bringing a 200700KN uploading at the sticking point. Its self-contained complete equipments are simple, used conveniently, and play a safety action on the tubing in the well. It is used for the common oil and water well unblocking, especially fit for unblocking the horizontal formation. It is needless to do the overhaul operation, therefore, greatly reduce the costs.
Technical Parameters:
Details | RF-115 | RF-150 | RF-150(enhanced) |
Working pressure(Mpa) | 25 | 25 | 25 |
Increased upload on the sticking point (t/6Mpa) | 1.787 | 1.898 | 2.847 |
Conversion factor against pump pressure |
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Applicable casing(mm) | 51/2 | 7 | 7 |
Length (mm) | 2550 | 1600 | 2100 |
Rated increased load | 44.7 | 47.4 | 71.1 |
Drilling Jars/oil drilling hydraulic drilling/petroleum fishing jar