Changsha Sollroc Engineering Equipments Co., Ltd
FOCUS IN MANUFACTURING OF HIGH QUALITY DTH AND RC DRILLING TOOLS.
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181mm 7 1/8'' Blue Api 3 1/2'' Reg Drag Bits Blue For Water Well Drilling
Product Introduce
Drag bit is a commonly used tool in workover operations. It is used to drill cement plug, punch sand bridge, salt bridge, scrape dirt and hard wax from casing wall and crystallize some minerals. It can also scrape the borehole to make the borehole wall clean and tidy. It can be used in liner drilling, sidetracking drilling (which can destroy the keyway formed during sidetracking) or drilling and grinding the perforation shell cushion. Under the action of drilling pressure, the bottom is fed into the drilled material such as cement, and then rotated to make the Fed part cut in the circumferential direction, gradually drilling the drilled material. Side will be grinded and milled by the drill, cylindrical space, better repair the drilled hole.
Adavantages
High Quality Full Thickness Composites
Wide scope of application:
Practice has proved that the bit is suitable for drilling soft and medium-hard formations such as carbonate, limestone, cretaceous, claystone, siltstone and sandstone. Compared with general bits, especially for rock formations of grade 6-8, the effect is particularly remarkable.
Design features
Design of super-large outlet, smooth outlet, no blockage, no drilling and no washing
Utonomous design of threads to suit all drill pipe interfaces
Repeated grinding, repeated chemical treatment, dust-free welding composite
Specification
| Item | 3 wings drag bits |
| Drag Bit Size(Inch) | 1 7/8"(47MM)~17 1/2"(444.5MM) |
| Drag Bit Connection | 2 3/8"~6 5/8" API reg pin |
| Dril rods dia. | 76mm, 89mm, 114mm, etc |
| Drag Bit Formation | soft ,medium soft ,hard,medium hard,very hard formation |
About us
At sollroc, customer satisfaction is our top priority. Our sales team takes a proactive approach in meeting customers’ needs. We take the time to get to know you and learn about your operations so we can better assist you. We strive to meet customers’ needs by supplying the tools and equipment you need when you need them, providing product support, and following through with excellent customer service every step of the way.
Package:
Wooden cases or your required
Delivery Time
Generally need 15-20 days
Transport Way
By air, By Sea or By Express