Tungsten Carbide TCI 12 1/4" Tricone Drill Bit IADC747 for Hard Formation/Oil Well Drilling
|417,437,447||0.35~0.9||150~70||Extremely soft formation with low compressive strength and high drillability,such as clay,mudstone,cretaceous,gypsum,salinastone,soft shale and soft limestone|
|517,527||0.35~1.0||140~60||soft formation with low compressive strength ,such as mudstone,gypsum,salinastone,soft shale and soft limestone|
Soft to medium formation with low compressive strength,such as mid-soft shale,mid -soft limestone,mid-soft sandstone and medium formation with harder abrasiveness interbeds
|617,627||0.45~1.1||90~50||Mid-hard formation with high compressive strength,such as hard shale,limestone,sandstone,and dolomite|
|637||0.5~1.2||80~40||Hard formation with high compressive strength,such as sandstone,limestone,dolomite and anhydrite,marble|
REAL SHOT 12 1/4" BITS
1.Q:What kind of packing do you have?
A: Plywood case free of fumigation; Cartons; Packing can be customized.
2.Q:What is your price advantage?
A:We are 100% factory directly sales,API production process guarantee,Provide customized services for brand processing.
Reduce the cost of drilling for you, Don’t worry about after-sales service.
Welcome to book a video-call to inspect factory.