Factory Making Gasoline Engine Water Pump - Drill Collar-Slick and Spiral Downhole Pipe – VS
Factory Making Gasoline Engine Water Pump - Drill Collar-Slick and Spiral Downhole Pipe – VS Detail:
The drill collar is made from AISI 4145H or finish rolling structural alloy steel, processed as per API SPEC 7 standard.
In the entire producing process of drill collar, the test data of each item’s performance test, from workblank, heat treatment to connecting thread and other manufacturing process, are traceable.
Drill collars’ detection is completely as per API standard.
All the threads undergo phosphatization or copper plating treatment so as to increase their corrosion resistance and avoid tool threads’ thread gluing phenomenon.
Our company can process slips and elevator grooves on the drill collar as per user’s requirements.
Technical Parameters:
Drill collar thread model |
O.D. |
I.D. |
Length 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 |
Product detail pictures:
Related Product Guide:
Our concentrate on is always to consolidate and enhance the excellent and service of present solutions, in the meantime regularly develop new products to meet distinctive customers' demands for Factory Making Gasoline Engine Water Pump - Drill Collar-Slick and Spiral Downhole Pipe – VS , The product will supply to all over the world, such as: Sri Lanka, Australia, Yemen, Our company abides by the management idea of "keep innovation, pursue excellence". On the basis of assuring the advantages of existing products, we continuously strengthen and extend product development. Our company insists on innovation to promote the sustainable development of enterprise, and make us become the domestic high-quality suppliers.
By Betsy from Brasilia - 2017.05.21 12:31
Goods just received, we are very satisfied, a very good supplier, hope to make persistent efforts to do better.
By Jean Ascher from Florida - 2018.05.15 10:52