17 1 2 inch drag bit drilling

Brand Name:Shitan

Model Number:ST-B

Place of Origin:HEBEI CHINA

... for use in soft formations such as sand, clay, or some soft rock. Three wings step drag bits: A. Drag bits are made according to API standard or no thread standard just welding B. Various step and chevron drag bits are available from 3 inch to 17 1/2

Place of Origin:Hebei,China

Step Drag Bit Drag bit are manufactured from forged high quality alloy steel and PDC cutter insert, plus state of art welding technology and multiple precision heat treatment to provide highest penetration rate and longest lifespan at roughest condition. ...

Brand Name:JCDRILL

Model Number:17 1/2"

Place of Origin:Hebei,China

...17 1/2 inch steel tooth rotary drag bit,Three Wing Scraper Step Drag Bits for Soft Formation Application 17 1/2 inch steel tooth rotary drag bit is mainly used for water wells, mining, geothermal, environmental and exploration drilling. It is suitable for drilling in soft and soft-medium formations with fast penetration rate and high efficiency, and special for the large diameter holes’ drilling...

Brand Name:SOLLROC

Model Number:API thread

Place of Origin:China

...Drag Drill Bits For Soft to Medium Formations Product specifications: 1) Drag bits are made according to API standard or no thread standard just welding. 2) Various step and chevron drag bits are available from 3 inch to 17 1/2 inch. (normal small size are 3",3 3/4",3 7/8",4 3/4",4 5/8",5 7/8",8 1/2" to 17 1/2"and so on). 3) There is very good feedback from our customers because of the quality and price. 4) Different drag bits

Brand Name:Aoxing

Model Number:2 7/8′′-- 12′′

Place of Origin:Hebei,China

...Drilling Tools 171mm 6.5 Inch 3 Wings Step Drag Bits Product Application: The drag bit is designed for use in soft formations such as sand, clay, or some soft rock.Step type bits are the most common type of drag bit used widely for soft to medium formations. Step-type drag bits are very effective in drilling soft and unconsolidated material. They are available in a full range of sizes from 3" to 17...

Place of Origin:China

Brand Name:Jinquan

Model Number:Threaded & Tapered

...worlds. Drag bits: 1. Drag Bits are made according to API Standard or NROD Thread standard or others. 2. Various Step and chevron Drag bits are available from 2inch to 17 1/2 Inch. 3. There are big markets in USA, Canada, Colombia, Australia and so on. 4.