| Customization: | Available |
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| After-sales Service: | Online |
| Warranty: | 6 Months |
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As an important part of the drill string, the drill collar can supply the drill bit and increase the rigidity of the drill string. Drill collars are manufactured strictly according to API Spec7-1 standard with the material of AISI 4145 Mod. We supply slick drill collars, spiral drill collars, etc. The size of the drill collar we can provide is from 3.1/8 to 11 inches. We can also provide other drill collars at customers' specific requests.
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Product Name:
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Drill Collars,Spiral Drill Collar, Non-magnetic Drill Collars,Drill Collars and Drill Stem Accessories;
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Size:
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Outer diameter:3 1/8"-11"
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Length:
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30Ft/31Ft/43Ft/R1~R3
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Connection type:
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NC , REG , FH, IF
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Thread:
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NC26, NC31, NC38, NC40, NC46, NC50, 5.1/2FH
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Material:
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Stainless Steel/Alloy steel/4145H/Carbon steel
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Standard:
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API 5DP/API Spec 7-1
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Application:
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Oil and gas well drilling/Oilfield Drilling
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We shandong yacheng petroleum technology are established in 2003 year, located in Dongying city, shengli oilfield, which is the second largest oilfield of China.
Our business scope includes oilfield equipment supply, such as, drilling equipment and spares, wellhead equipment ,oil recovery equipment. We have been served Shengli oilfield in the last 19 years, established a solid partnership and network with quality OEM factories. Based on our responsive and responsible engineering & commercial team, we can provide one-stop shop service to our customer, and package plan of procurement which brings added value in terms of delivery time, fair prices, inventory in stock.
We are Looking forward to build up partnership with your company and provide our attentive service to you.
1) About Packing Inner packing: white box, color boxes (upon request), Outer packing: cartons or pallets
2) Terms of payment: We accept T/T,L/C
3)Terms of Shipment: About 30 days after receiving the advance payment,or according to both parties agreement
4)Ports of shipment: Tianjin,Qingdao, shanghai or other required Port, by sea or air
5)Guarantee: One year since delivery.
6)Inspection: 100% testing before delivery.
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