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
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seat:
Fujian
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Validity to:
Long-term effective
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Last update:
2017-08-27 19:29
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Browse the number:
78
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- Contactaixin:
Contactaixin:
beilian(Mr.)
- Email: telephone: phone:
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Area:
Fujian
Address:Unit 8001, Part A, Minnan Culture Town, No.350, Changle Road, Huli, Xiamen China.361006
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Website:
http://www.chinarockdrilling.com/ http://beilian.carlos-computers.com/
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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/