12 1/4 '' 311.2 mm Tricone Roller Bit Manufacturer, Exporter from China at Latest Price

12 1/4 '' 311.2 mm Tricone Roller Bit

Price And Quantity

Unit of Price Piece/Pieces
Minimum Order Quantity 1

Unit of Measure Piece/Pieces
Price 5 USD ($)

Price Range 5.00 - 10.00 USD ($)

Product Specifications

Color any
Usage Water Well

Product Description

HAOJIANG tricone bit covers almost IADCcode,including 26 common tpes, and is with raliable quality and resonableprice,the size range is from 3 7/8" to 26",can be used for geologicalprospecting, development of oil and gas, drilling water wells,blast holes andmaking holes for seismic prospecting,construction engineering

Suitable Formation
IADC CODE	Rock Formation	WOB	PRM(r/min)
115	Extremely soft formations with low compressive strength and high drillability, such as clay, mudstone, chalk.	0.3~0.75	180~60
117	Extremely soft formations with low compressive strength and high drillability, such as clay, mudstone, chalk.	0.35~0.8	150~80
127	Soft strata with low compressive strength and high drilla-bility, such as mudstone, gypsum, salt rock, soft shale, and soft limestone.	0.35~0.9	150~70
217	Soft to medium strata with low compressivestrength, such as medium soft shale, medium softlimestone, medium soft sandstone, and soft strata with hard intercalation.	0.4~1.0	100~60