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Help CenterAPI 7-1 Slick Spiral Non Magnetic Drill Collar for Sale
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The Spiral Drill Collar of Lake is made from AISI 4145H modified alloy steel, and completely meets the requirement of API Spec 7-1 and SY/T5144 Standard. It is a kind of drill collar which adds three dextrogyrate spiral groove on the outer circle of ordinary drill collar when processing, and the purpose is to reduce the area of contact and friction with the well wall, which can effectively prevent the pressure sticking. The single weight of the spiral drill collar is round about 4% lighter than the ordinary drill collar with the same specification, and the shape and thread of the both ends are the same with the drill collar.
Technical Specification:
Connections |
OD mm |
ID mm |
Length mm |
NC23-31 |
79.4 |
31.8 |
9150 |
NC26-35 |
88.9 |
38.1 |
9150 |
NC31-41 |
104.8 |
50.8 |
9150 or 9450 |
NC35-47 |
120.7 |
50.8 |
915 or 9450 |
NC38-50 |
127.0 |
57.2 |
9150 or 9450 |
NC44-60 |
152.4 |
57.2 |
9150 or 9450 |
NC44-60 |
152.4 |
71.4 |
9150 or 9450 |
NC44-62 |
158.8 |
57.2 |
9150 or 9450 |
NC46-62 |
158.8 |
71.4 |
9150 or 9450 |
NC46-65 |
165.1 |
57.2 |
9150 or 9450 |
NC46-65 |
165.1 |
71.4 |
9150 or 9450 |
NC46-67 |
171.4 |
57.2 |
9150 or 9450 |
NC50-67 |
171.4 |
71.4 |
9150 or 9450 |
NC50-70 |
177.8 |
57.2 |
9150 or 9450 |
NC50-70 |
177.8 |
71.4 |
9150 or 9450 |
NC50-72 |
184.2 |
71.4 |
9150 or 9450 |
NC56-77 |
196.8 |
71.4 |
9150 or 9450 |
NC56-80 |
203.2 |
71.4 |
9150 or 9450 |
6 5/8REG |
209.6 |
71.4 |
9150 or 9450 |
NC61-90 |
228.6 |
71.4 |
9150 or 9450 |
7 5/8REG |
241.3 |
76.2 |
9150 or 9450 |
NC70-97 |
247.6 |
76.2 |
9150 or 9450 |
NC70-100 |
254.0 |
76.2 |
9150 or 9450 |
8 5/8REG |
279.4 |
76.2 |
9150 or 9450 |
Why you need to choose ERUI COMPANY?slick drill collar for sale
One-Stop Procurement Platform in Oil & Gas Energy Industrydrill collar for sale
slick drill collar for sale
Can you make us the best quality products as well as a good price.slick drill collar for sale
Yes. we can give you really quality products with best price,we have a better understanding of Chinese market, with us your moeny will be safe.
slick drill collar for sale
What is special compare with other company ?slick drill collar for sale
First, we provide the quality products, with BV and API certified, at the same time, we will provide the customer with the best service after sale, any time any where.
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