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Drill pipes
Drilling pipes and threaded accessories are provided with all our rigs, manufactured by PAT in our facilities located in Bangkok (Thailand).
All threading are automated by CNC machinery, tailor made to suit specific lengths and sizes for special requirements. All drilling pipes are provided with thread protectors also made in house.
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Drag bits and Reamer-Stabilizers
PAT Factory manufactures in house a full range of high-grade tungsten toothed drag blade drill bits and reamers.
See table below for common sizes stocked.
Steel blades are CNC profile cut and then machined with sunken pockets into which the tungsten tips are brazed by a temperature by
a controlled induction coil.
Please request factory for any non-standard sizes or blade profiles required. -
PDC Drill Bits
PDC Drill Bits (Polycrystalline Diamond Compact Bit)
A PDC insert is a tough man-made material that equals the hardness of a natural diamond and is three
times the hardness of tungsten carbide. This allows it to maintain a durable, sharp edge that, when rotating and pushed into a rock formation with modest weight on drill bits – particularly when compared to tricone rock roller bits, the PDC will continually scrape at the surface to cut material
PDC bits can be used with drill mud circulation in unstable water
saturated formations on with compressed air if the formation is stable
Download PDF -
Sub Adaptors
Threaded ‘Sub Adaptors' are used to join drilling tools and accessories such as hammers or drill bits to common drill pipe. A standard range of sub adaptors are produced in our workshop by CNC turning and vertical machining centre and held in stock.
Also, we can manufacture special sub adaptors with specific threads to meet any customer requirement.
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DTH-Hammers
DTH hammers are hard rock drilling tools used on PAT rigs in conjunction with high pressure compressed air supply.
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Air Compressors
The best method to drill an open hole in consolidated rock is to use as Down-the- Hole Hammer striking a hard tungsten tipped button bit. DTH hammers are powered by compressed air that pick and drive the heavy steel piston onto the drill bit to percussively break and pulverise the very hardest rock – the discharging air passes through the drill bit and lifts the rock debris to surface.
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Pump Test Unit
To complete a well and measure its discharge and drawdown with a mechanised pump can involve using some really unwieldy equipment that is difficult to transport and use in remote sites.
PAT Pump Test Unit is a compact and easily transported unit comprising of a roller unit to feed the lay flat site pipe into the hole and support it on rigid support pipe on the surface.
The operation of lowering the pump takes no more than a few minutes.
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Hand tools
We have selected an extensive package of hand tools suitable to support drilling operations, maintenance and repairing.
We included especially developed tools from our workshop for optimal use of drilling rigs. We provided air tools as a boxed set