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Concentric Casing System with Wings

Delivery term:The date of payment from buyers deliver within days
  • Price:

    Negotiable

  • minimum:

  • Total supply:

  • Delivery term:

    The date of payment from buyers deliver within days

  • seat:

    Fujian

  • Validity to:

    Long-term effective

  • Last update:

    2017-12-11 14:15

  • Browse the number:

    105

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Company Profile
Xiamen Bestlink Factory Co.,Ltd
By certification [File Integrity]
Contact:

beilian(Mr.)  

Email:

Telephone:

Phone:

Area:

Fujian

Address:

Unit 8001, Part A, Minnan Culture Town, No.350, Changle Road, Huli, Xiamen China.361006

Website: http://www.chinarockdrilling.com/ http://beilian.qishifu1688.com/
Product details

Application Range

It is recommended to drill in rock formation where contains some ovals and fracture.


Design Principles

The stable and reliable working performance and the less vibration of drill rig.


Operation Procedure

1. when the drilling starts, the wings swing out, and reams to drive the casing shoes and tubes into the hole.

2. When finished the drilling in overburden rock formations, reverse the drilling tools and the wings will get closed, and the drilling tools can be raised from the hole.

3. Next construction can be followed.


Model

Outer Dia. of  Casing Tube

Inner Dia. of  Casing Tube

Wall thickness   of casing

Reamed Dia.

Min. Inner   Dia.of Casing Shoe

Hammer Type

Drill Pipes

weight (kg)

90

114

101

6.5

125

91

COP32/COP34/DHD3.5/BR3/MACH303

76

15

98

127

108

9.5

136

99

76

18

110

133

124

9.5

145

112

COP44/DHD340/MACH44/MISSION40/SD4/XL4/QL40

76/89

20

115

146

125

10.5

154

117

76

24

140

168

148

10

180

138

76/89

32

146

178

158

10

192

148

COP54/DHD350/MACH50/MISSION50/SD5/QL50

76/89

38

165

193

173

10

206

164

COP62/COP64/DHD360/MISSION60/SD6/XL6/QL60/TD150

114

75

190

219

199

10

234

185

114

88

http://www.chinarockdrilling.com/

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