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3 1 2 double drill pipe
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...Drilling Double Wall Drill Pipe Product Description 1. Name: Double wall drill pipe 2. Size: DP89/40-DP219/150 3. Standard: ISO API 4. Certificatio...
2025-01-02 16:10:03
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... in the double-wall drill pipe is like a closed-circuit circulation system. Even if it encounters an old hole or a karst cave, once the drill tool ...
2025-01-02 16:10:03
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...Double Wall Drill Pipe Reverse Circulation 6000mm Longth Manufacture of RC drill pipe/114mm reverse circulation drill pipe/double wall drill pipe ...
2025-07-30 00:10:24
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...drill pipe/double wall drill pipe Product Description Double Wall Drill Pipe 127" Od 6m longth for water wells Double-arm drill pipe is also called ...
2025-07-30 00:10:24
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... drill pipes (called inner pipe and outer pipe). The inner and outer pipes form an annulus, which is a channel for pumping the flushing medium to ...
2025-03-25 23:27:59
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... circulation drilling. It consists of hardened alloy steel tool joints, heavy duty seamless drill pipe and high tensile wear resistant inner tube. ...
2025-07-30 00:10:24
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... (called inner pipe and outer pipe). The inner and outer pipes form an annulus, which is a channel for pumping the flushing medium to the bottom of ...
2025-07-30 00:10:24
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... double-tube drill pipe for reverse air circulation drilling in open-pit mining. The length can be set according to customer requirements, such as ...
2025-07-30 00:10:24
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...Drilling Technology Double Wall Drill Pipe Product Description 1. Name: Double wall drill pipe 2. Size: DP89/40-DP219/150 3. Standard: ISO API 4. ...
2025-01-02 16:10:03
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...double wall RC drill pipe for reverse circulation drilling Product Description: Drill pipe basically consists of a steel tube with a pin at one end ...
2025-07-30 00:10:24
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