API Spiral Grooved Drill Collar for Oil Well Drilling Oil Country Tublar Goods
1.0 USD
| Min. Order: | 1 Piece/Pieces |
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| Payment Terms: | T/T |
| Place of Origin: | Shanghai |
Company Profile
| Location: | Shanghai, China (Mainland) |
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| Business Type: | Trading Company, Distributor/Wholesaler |
Product Detail
| Model No.: | No-26 |
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| Means of Transport: | Ocean, Air, Land |
| Type: | Drilling Rig |
| Application: | Oil |
| Packing: | Standard Packing |
| Delivery Date: | According to order |
Product 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.
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 |