
EQ245 Twist-Punch Tool
Classification
EQ245 Twist-Punch Tool
Product Description
Design Specification
Tool Maximum Outer Diameter |
245mm |
Upper Connector Type |
6-5/8”REG |
Drill Bit Connector Type |
6-5/8”REG |
Applicable Wellbore Size |
238.91~368.3mm |
Fishing Neck Size |
Φ216mm×210mm |
Overall Size | Φ245mm×830mm |
Operating Parameters
Flow Rate |
25~60 L/s (396.8-952 GPM) |
Pressure Drop |
1.8~2.5 Mpa (260-363 Psi) |
Impact Frequency |
10-17Hz (600-1020 times/min) |
Maximum Drilling Pressure |
160KN (35.9 Klbs) |
Maximum Operating Temperature |
200℃ |
Upper Connector Torque (4 1/2 REG) |
49-51 KN.m (9.56MPa ) |
Tool Features
■ Pure mechanical structure, no electronic components, no rubber parts in moving parts, the tool is safe and reliable
■ Provides additional composite impact energy for the drill bit, enhances the rock-breaking efficiency of the drill bit, and improves the mechanical drilling speed
■ Effectively protects the drill bit, extends the service life of the drill bit, and improves the footage of a single drill bit
■ Reduces the sticking and jumping of the drill string, thereby reducing fatigue damage to the drill string
■ Eliminates the stick-slip phenomenon during the drilling process of the drill bit, which is conducive to uniform cutting of the drill bit
■ Reduces the number of trips, shortens the drilling cycle, and saves drilling costs
■ The pulses generated by the tool do not affect the normal operation of other logging and MWD instruments
Other Notes
■ Qucker® composite impactor can be used with screw
■ For directional wells, it is recommended to install a near-bit stabilizer between the drill bit and the tool, which can effectively reduce the left drift trend to ensure accurate trajectory control
■ The recommended service life of the tool is 150 hours. When the standpipe pressure drop increases by 2Mpa continuously without change, and the drill bit torque fluctuates greatly, it can be judged that the tool has failed. After the tool fails, it is equivalent to a short circuit, but it does not affect the continued operation
■ A mud filter screen must be installed at the wellhead to control the size of the mud particles
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