Specifications
1.hight quality and reasonable price2. rubber seal or metal seal
3.hight efficiency and Fast delivery
4.fast drilling speed
tungsten carbide tci roller bits are mainly divided into two types:
i) Metal sealed roller bits
ii) Rubber sealed roller bits
Metal sealed roller bits main applications:
a) Adopted high- speed bearing metal sealed technology, long working life under the screw drilling
condition.
b) High efficiency cutting edge and structure to improve drilling speed.
c) Cutter shell self-protection shape to reduce abrasion of detritus and unbreakable rock.
d) Best choice for directional well, horizontal drainhole and horizontal branch wells.
Size (inch) | Connection (API REG) |
5 7/8",6",6 1/2",6 3/4" | 3 1/2" |
7 7/8",8 1/2",8 3/4" | 4 1/2" |
9 1/2",9 5/8",9 7/8",12 1/4",12 1/2",13 1/8",13 5/8" | 6 5/8" |
16",17 1/2" | 7 5/8" |
Rubber sealed roller bits main applications:
a) Adopted new alloy welding technology to improve abrasion and working life.
b) Multiple gauge structure, weld trimming teeth on the edge to enhance gauge
protection ability.
c) High precision with radial sliding, two thrust rubber sealed bearing and optimized
anti-seizure ability to avoid bits peel off.
Bit Size (inch) | Standard Pin Size (API REG) |
5 1/2",5 7/8",6",6 1/2",6 3/4" | 3 1/2" |
7 1/2",7 7/8",8 1/2",8 3/4" | 4 1/2" |
9 1/2",9 5/8",9 7/8",12 1/4",12 1/2",13 1/8",13 5/8" | 6 5/8" |
14 3/4",15",15 1/2",16",17 1/2",20",26" | 7 5/8" |
IADC Code | Formation Description | Rock Type | Compressive Strength (Mpa) | Rate of drilling(m/h) |
417/527 | Medium soft: Low compressive strength and layered soft to medium formations | Caly rock Marlstone Lignite, sandstone Siltstone Anhydrite Tuff | 50~75 | 5~15 |
517/537 | Medium: High compressive strength and abrasive thin interbedded medium to hard formation | Mud rock Limestone Shaly | 75~100 | 2~6 |
537/617 | Medium hard: High compressive strength and medium abrasive hard and compact ground | Limestone Argillite Anhydrite Sandstone Dolomite | 100~200 | 1.5~3 |
Send Inquiry to This Supplier
You May Also Like
-
Wear Resistant Chrome Carbide Overlay Weld Clad Wear Resistant Plate Liner for Blast Furnace Skip CarUS$ 120 - 120MOQ: 1 Square Meter
-
6805150 Tilt Cylinder Bushing for BobcatNegotiableMOQ: 1
-
Robot Hardware Accessories Manufacture Thickness≤0.35mmNegotiableMOQ: 1 Set
-
Sofa CoverNegotiableMOQ: 1 Meter
-
Custom CNC MachiningNegotiableMOQ: 1 Meter
-
Drilling Equipments Drilling Fluids Vacuum DegasserNegotiableMOQ: 1 Set
-
Good Quality Tungsten Carbide Button InsertsUS$ 1 - 5MOQ: 100 Pieces
-
Airless Truck Tire Solid Vehicle Tire 17.5-25 20.5-25 for Mining Machine PartsUS$ 16 - 200MOQ: 1 Piece
-
Ball Mill Plant Used Automatic Feeding Electromagnetic Vibrating FeederUS$ 650 - 800MOQ: 1 Set
-
Api Oil and Gas Christmas Tree, Wellhead and Christmas Tree/X-mas Tree for Oil Well ControlUS$ 3000.00 - 3000.00MOQ: 1 Set