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Drilling
Bypass Valve of Drill Tool
- Type:Drilling
- CAS No:
- Qty in 20' FCL:
- Min. Order:
- Packaging:
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规格型号
Type
外径 mm
O·D
耐回压 Bearing
Back Pressure
配接扣型
Tread
连接钻铤规格
Drill Pipe(in)
ZFF127
Φ127
35 MPa、70 MPa
NC38×NC38
5”
ZFF159
Φ159
35 MPa、70 MPa
NC46×NC46
61/4”
ZFF165
Φ165
35 MPa、70 MPa
NC50×NC50
61/2”
ZFF178
Φ178
35 MPa、70 MPa
NC50×NC50
7”
ZFF203
Φ203
35 MPa、70 MPa
65/8REG×65/8REG
8”
ZFF228.6
Φ228.6
35 MPa、70 MPa
75/8REG×78/8REG
9”
ZFF241
Φ241
35 MPa、70 MPa
75/8REG×78/8REG
91/2”
- The opening bypass valve of drill tool is used to cycle drilling fluid or killing well when the water hole has plugged. Bypass valve of drill tool is joined to drilling bit or nearby, before drilling gas-oil layer.
