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for sale in Russia/Caspian: Russia, Kazakhstan, Azerbaijan, Ukraine, Belarus, Uzbekistan, Tajikistan, and Turkmenistan
The Caledus DragonBITE™ Drill Shoe is a new generation drilling with casing drill shoe designed to drill very soft formations at high rates of penetration. The DB drills in much the same manner as a PDC drill bit, except that the casing string takes the place of the drill string and BHA.
The DB has a two-part construction; the main body is manufactured from forged steel whilst the nose portion is Aluminium. The cutting structure comprises high density Tungsten Carbide sprayfused to the faces of drillable Aluminium blades. The design ensures that the DragonBITE™ Drill Shoe can be drilled-out quickly and efficiently with either a PDC or roller cone bit or another DragonBITE™ shoe.
The main body has the casing box connection facing up. Large waterways between the blades maximise the junk-slot area eliminating surge and swab issues while tripping. The wide gauge pad construction ensures good stabilisation of the cutting structure, thereby minimising the possibility of vibration and damage. The body has a drift diameter larger than the next drill bit size to ensure that no hard material needs to be drilled-up.
The Aluminium nose carries the Tungsten Carbide cutting structure on high profiled blades to maximize the rate of penetration. The blade face is protected from fluid erosion by a high density Tungsten Carbide coating. Drillable nozzles are fitted to provide the optimum combination of cleaning and cooling to the cutting structure. The nozzles are coated with an erosion resistant Ceramic which permits high flow rates and pressure drops. A wide variety of Total Flow Areas (TFA) is available through selection of a range of nozzle sizes.
The nose is fixed to the body by a high-strength connection and locked in place using a compound designed to resist the stresses imposed during drilling and when the DB1 itself is being drilled.
• Cutting structure high density spray-fused Tungsten Carbide.
• Can be drilled-out quickly and efficiently with either PDC, roller cone drill or another DragonBITE™ shoe.
• Available in most standard casing/liner versus open-hole combinations.
For detailed info on the product or service, including its price and delivery terms, drop us a line in English or Russian at email@example.com or call at 007-495-542-0468 (English, Russian).