Eccentric Underreaming Bit Drilling Tool& Follow-up Casing

Product Introduction:

Eccentric Underreaming Bit Drilling Tool& Follow-up Casing is provided by Wuxi International Trade Development Co., Ltd.,a major Ferroalloy & Products supplier in Minerals, Metals & Materials wholesale industry in China.You can check out the specification of Eccentric Underreaming Bit Drilling Tool& Follow-up Casing below or get any optional result clicking into the following keywords Eccentric Underreaming Bit Drilling Tool& Follow-up Casing , Eccentric Underreaming Bit Drilling Tool& Follow-up Casing , Description , Features , Details and you can check the authentications and testimonials of Eccentric Underreaming Bit Drilling Tool& Follow-up Casing .

Description:


Follow-up casing drilling tool with the aid of DTH hammer, eccentric underreaming bit and follow-up casing is used to effectively drill holes in complicated formation such as loose ground, crash layer and gravel etc. these holes often need protecting hole wall.

This drilling tool is applied to complete high pressure jet grouting holes, cement grouting holes, anchor wire holes, drainage holes, blast hole, underwater blast hole, trench less guided drilling hole for underground pipe line and cable installation.



This item won National patent

Chinese patent number:ZL022581561




Casing size

89

108

127

146

168

178

194

219

245

273

DTH hammer type

QCW 70

QCW 80

QCW 80

QCW 100

QCW 130

QCW 130

QCW 150

QCW 170

QCW 170

QCW 200

Inner diameter of casing shoe

69

86

102

120

138

147

165

184

205

230