Chitoliro cha Drill Collar-Slick and Spiral Downhole
Kolala yobowolera imapangidwa ndi AISI 4145H kapena chitsulo chopangidwa ndi structural alloy, chokonzedwa motsatira muyezo wa API SPEC 7.
Mu njira yonse yopangira kolala yobowolera, deta yoyesera ya mayeso a magwiridwe antchito a chinthu chilichonse, kuyambira pa ntchito yopanda kanthu, kutentha mpaka ulusi wolumikizira ndi njira zina zopangira, imatha kutsatiridwa.
Kuzindikira kwa makola obowola kumachitika motsatira muyezo wa API.
Ulusi wonse umapangidwa ndi phosphatization kapena copper plating kuti uwonjezere kukana kwa dzimbiri komanso kupewa kuuma kwa ulusi wa zida.
Kampani yathu imatha kukonza ma slips ndi ma grooves a elevator pa kolala yobowolera malinga ndi zomwe wogwiritsa ntchito akufuna.
Magawo aukadaulo：
| Chitsanzo cha ulusi wa kolala yobowoledwa | OD | ID | Utali mm | ||
| mm | in | mm | in | ||
| NC23-31 | 79.4 | 3-1/8 | 31.8 | 1-1/4 | 9150 |
| NC26-35 | 88.9 | 3-1/2 | 38.1 | 1 1/2 | 9150 |
| NC31-41(2-7/8IF) | 104.8 | 4-1/8 | 50.8 | 2 | 9150 |
| NC35-47 | 120.7 | 4-3/4 | 50.8 | 2 | 9150 |
| NC38-50(3-1/2IF) | 127.0 | 5 | 57.2 | 2-1/4 | 9150 |
| NC44-60 | 152.4 | 6 | 57.2 | 2-1/4 | 9150/9450 |
| NC44-60 | 152.4 | 6 | 71.4 | 2-13/16 | 9150/9450 |
| NC44-62 | 158.8 | 6-1/4 | 57.2 | 2-1/4 | 9150/9450 |
| NC46-62(4IF) | 158.8 | 6-1/4 | 71.4 | 2-13/16 | 9150/9450 |
| NC46-65(4IF) | 165.1 | 6-1/2 | 57.2 | 2-1/4 | 9150/9450 |
| NC46-65(4IF) | 165.1 | 6-1/2 | 71.4 | 2-13/16 | 9150/9450 |
| NC46-67(4IF) | 171.4 | 6-3/4 | 57.2 | 2-1/4 | 9150/9450 |
| NC50-67(4-1/2IF) | 171.4 | 6-3/4 | 71.4 | 2-13/16 | 9150/9450 |
| NC50-70(4-1/2IF) | 177.8 | 7 | 57.2 | 2-1/4 | 9150/9450 |
| NC50-70(4-1/2IF) | 177.8 | 7 | 71.4 | 2-13/16 | 9150/9450 |
| NC50-72(4-1/2IF) | 184.2 | 7-1/4 | 71.4 | 2-13/16 | 9150/9450 |
| NC56-77 | 196.8 | 7-3/4 | 71.4 | 2-13/16 | 9150/9450 |
| NC56-80 | 203.2 | 8 | 71.4 | 2-13/16 | 9150/9450 |
| 6-5/8REG | 209.6 | 8-1/4 | 71.4 | 2-13/16 | 9150/9450 |
| NC61-90 | 228.6 | 9 | 71.4 | 2-13/16 | 9150/9450 |
| 7-5/8REG | 241.3 | 9-1/2 | 76.2 | 3 | 9150/9450 |
| NC70-97 | 247.6 | 9-3/4 | 76.2 | 3 | 9150/9450 |
| NC70-100 | 254.0 | 10 | 76.2 | 3 | 9150/9450 |
| 8-5/8REG | 279.4 | 11 | 76.2 | 3 | 9140/9450 |
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