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TOPLAND OILFIELD SUPPLIES LTD.
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API Spiral Grooved Drill Collar for Oil Well Drilling Oil Country Tublar Goods
| Price: | 1.0 USD |
| Payment Terms: | T/T,T/T |
| Place of Origin: | Shanghai, China (Mainland) |
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Product Detail
Spiral Grooved Drill Collar
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.
Grooved Drill Collar
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 |
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 |
Spiral Pitch (in) | 36 ± 1 | 38 ± 1 | 42 ± 1 | 42 ± 1 | 64 ± 1 | 68 ± 1 | 72 ± 1 |
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Company Info
TOPLAND OILFIELD SUPPLIES LTD. [China (Mainland)]
Business Type:Trading Company, Distributor/Wholesaler
City: Shanghai
Province/State: Shanghai
Country/Region: China (Mainland)
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