6 1/2 Mill tooth rock bit for water well

Mill tooth tricone rock bit 1.Dia:3 1/2''--26'' 2.Type:Milled tooth & TCI 3.IADC:116,217,437,517,537,617 4.oil,water well

 Mill tooth Tricone ROCK  Bit -TCI Tricone Bit

 Specifications:

Bit type	IADC Code	Applicable formation	Main characteristics of the bit	Recommended parameters
			Cutting structure	Normal WOB KN/mm(bit dia.)	Rotary Speed(rpm)
TFJ737G	737	High abrasive formations such as limestone, dolomite,chert and hard sandstone,etc.	Large radius conical compacts in inner row,spherical compacts in crest and outer row,and inequable spaced compacts arrangement.	0.50~1.20	220~40
TGA114	114	Very soft with low compressive strength strength and high drillability,such as soft shale,clay and salt bed,etc	Hardfaced gage and all tooth surfaces.	0.27~0.70	200~80
TGA115	115	Very soft with low compressive strength strength and high drillability,such as soft shale,clay and salt bed,etc	Hardfaced gage and all tooth surfaces.	0.25~0.70	200~80
TGAT115	115	Very soft with low compressive strength strength and high drillability,such as soft shale,clay and salt bed,etc	Hardfaced gage and all tooth surfaces, and a row of trimmers is added between gage row and heel row,	0.25~0.70	200~80
TGA124	124	Very soft with low compressive strength strength and high drillability,such as soft shale,clay and salt bed,etc	Hardfaced gage and all tooth surfaces.	0.25~0.70	200~80
TGA125	125	Soft with low,compressive stringth and high drillability,such as shale ,clay,salt bed and soft limestone,etc.	Hardfaced gage and all tooth surfaces.	0.25~0.70	200~80
TGA134 TGA135	134 135	Soft to medium soft or soft with harder stringers,such as hard gypsolyte,soft limestone and sandstone,etc.	Hardfaced gage and all tooth surfaces.	0.25~0.70	200~80
TGA214 TGA215	214 215	Medium hard with hard stringers,such as hard shale,sandstone and limestone,etc	Hardfaced gage and all tooth surfaces.	0.25~0.70	200~80

 TCI Specifications

  

Bit type	IADC Code	Applicable formation	Main characteristics of the bit	Recommended parameters
			Cutting structure	Normal WOB KN/mm(bit dia.)	Rotary Speed(rpm)
THJ527G	527	Soft with low compressive strength and high drillability,such as shale,clay,sandstone and soft limestone,etc.	Large radius offset crested scoop compacts in inner row,wedge compacts in outer row,high compact exposure and inequable spaced compacts arrangement.	0.35~1.05	240~50
THJ537G	537	Medium soft with low compressive strength and harder abrasive stringers,such as hard shale,hard gypsolyte,soft limestone,sandstone and dolomite with stringers,etc.	Large radius offset crested scoop compacts in inner row,wedge compacts in outer row,high compact exposure and inequable spaced compacts arrangement.	0.50~1.05	220~40
THJ547G	547	Medium soft with low compressive strength and harder abrasive stringers,such as hard shale,mudstone,soft limestone and sandstone,etc.	Large radius scoop compacts in inner row,wedge compacts in outer row and inequable spaced compacts arrangement	0.50~1.05	220~40
THJ617G	617	Medium hard with high compressive strength and thick & hard stringers,such as limestone,hard shale,mudstone and sandstone,etc.	Large radius scoop compacts in inner row,wedge compacts in outer row and inequable spaced compacts arrangement	0.50~1.05	220~40
THJ627G	627	Medium hard with high compressive strength and hard stringers,such as limestone,hard sandy mudstone and sandstone,etc.	Conical compacts in inner row,spherical compacts in outer row.	0.50~1.05	200~40
THJ637G	637	Medium hard with high compressive strength and abrasiveness,such as limestone,dolomite and sandstone,etc.	Conical compacts in inner row,spherical compacts in outer row.	0.50~1.10	200~40
THJ737G	737	Hard formation with high abrasiveness,such as hard limestone,dolomite,hard sandstone and chert,etc.	Large radius conical compacts in inner row,spherical compacts in outer row.	0.50~1.20	200~40

1.Type:TCI -tungsten carbide insert  and  Milled tooth

2.Available size: 85.5MM,88.9MM,98.4MM,114.3MM,117.5MM,120.6MM,130.2MM,142.9MM,149.2MM,152.4MM,155.6MM,158.7MM,171.4MM,190.5MM,193.7MM

200MM,215.9MM,219.1MM,222.2MM,241.3MM,244.5MM,311.1MM,381.0MM,444.5MM.

we can make the diamater size of the rock bits as cutomers request.

the diamater size show in execl

Pls see other details:

Available IADC code of rock bits

 Milled tooth:116,117,126,127,136,137,216,217.

TCI-tungsten carbide insert:417,437,517,527,537,547,617,637,737.

Contact:Rita Feng

Phone:86-18730702717

Skype:fengrita0812

Welcome to contact wit us & visit my factory&expecting to cooperating with you.

sincerely.