Changsha Tianhe Drilling Tools And Machinery Co., Ltd.
Main products:DTH Hammer,Button Bit,Drilling Rig
Products
Contact Us
  • Contact Person : Ms. Huang Spring
  • Company Name : Changsha Tianhe Drilling Tools And Machinery Co., Ltd.
  • Tel : 86-731-84456185,13077324210
  • Fax : 86-731-84456185
  • Address : Hunan,Changsha,Lianfeng Country, Hanpu Town, Yuelu Section
  • Country/Region : China
  • Zip : 410000

Eccentric overburden casing system with three pieces rock drilling tools

Eccentric overburden casing system with three pieces rock drilling tools
Product Detailed
1. applied to the drilling where the rock formation is overburden and need casing tube to support. 2.flexible to open and close

Application Range

It is suitable for drilling water wells,geothermal wells, short mircopiles medium mini-type grouting hole of building, dam and harbour project.

Design Principles

 Make the casing follow easy and the equipment and operation simple 

Outstanding Advantages

Simple structure,simple operation,reliable quality,retrievable drilling tools,long service life.

Specifications

B

C

D

E

F

 Outer Dia. of Casing Tube

 Inner Dia. of Casing Tube

 Reamed Dia.

 Min. Inner Dia.of Casing Shoe

Hammer Type

 Drill Pipes

mm

mm

mm

mm

mm

108

93-99

118

86

TH79

76

114

101-103

127

91

R56,T38,TH79

76

127

114-116

136

101

TH79

76

140

124-127

152

117

TH98

76

146

127-132

154

117

TH98

76

168

149-155

184

140

TH122

76,89

178

159-165

194

150

TH122

76,89

193

173-180

206

166

TH139

89,114

219

199-206

234

193

TH139,TH180

89,114

245

224-231

260

210

TH180,TH220

114

273

251-257

300

241

TH180

114,127

Eccentric overburden casing system with three pieces rock drilling tools



Copyright Notice @ 2008-2012 ECVERY Limited and/or its subsidiaries and licensors. All rights reserved.