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Beijing Ocean Renda Petroleum Equipment Co., Ltd.
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Gold Index: 5248
Heavy Weight Spiral Drill Collar Drilling Equipment For Oil And Gas API Standard
| Place of Origin: | Guangdong, China (Mainland) |
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Product Detail
Spiral Grooved Drill Collar for oilfield using , Drilli
Spiral Grooved Drill Collar for oilfield using , Drilling String equipment
Description:
This type of drill collar is made of 4145H or 4145H modified alloy steel and has spiral grooves on the pipe body of drill collar. This will decrease the surface area contacted with the hole of the oil well, which will greatly reduces the probability of pressure differential detention occurring.
Specifications:
Grooved Drill Collar
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OD Range (in) |
4-4 3/8 |
4 1/2-5 1/8 |
5 1/4-6 3/8 |
6 1/2-7 |
7 1/8-7 7/8 |
8-8 7/8 |
9-9 7/8 |
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Depth of cut (in) |
6 2/3 ± 1/32 |
7/32 ± 1/32 |
1/4 ± 1/32 |
5/16 ± 1/16 |
11/32 ± 1/16 |
3/8 ± 1/16 |
13/32 ± 3/32 |
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Spiral Pitch (in) |
36 ± 1 |
38 ± 1 |
42 ± 1 |
42 ± 1 |
64 ± 1 |
68 ± 1 |
72 ± 1 |
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Company Info
Beijing Ocean Renda Petroleum Equipment Co., Ltd. [China (Mainland)]
Business Type:Manufacturer
City: Beijing
Province/State: Beijing
Country/Region: China (Mainland)
