Model: | - |
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Brand: | - |
Origin: | Made In China |
Category: | Metallurgy , Mining & Energy / Energy / Petroleum |
Label: | - |
Price: |
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Min. Order: | - |
Spiral Drill collar
2、Regular spiral drill collar materials: 4145H or 4145H MOD
3、Regular spiral drill collar is B type
4、Optional Structure : Spiral groove, elevator groove, slips groove, stress groove, and hard-banding
5、spiral drill collar Production standard: API 7-1, API7-2 and NS-1
Why Choose our spiral drill collar?
spiral drill collar Specification
Thread Connection |
Outside Diameter |
Inside Diameter |
Overall Length |
Bevel Diameter |
Bending Strength Ratio |
|
1,2 |
D1 |
D |
L |
D2 |
BSR |
|
|
In |
In |
mm |
mm |
|
|
NC23-31 |
3 1/8 |
1 1/4 |
9150 |
76.2 |
2.57:1 |
|
NC26-35 (2 3/8 IF) |
3 1/2 |
1 1/2 |
9150 |
84.5 |
2.42:1 |
|
NC31-41(2 7/8 IF) |
4 1/8 |
2 |
9150 or 9450 |
101.6 |
2.43:1 |
|
NC35-47 |
4 3/4 |
2 |
9150 or 9450 |
114.7 |
2.58:1 |
|
NC38-50(3 1/2 IF) |
5 |
2 1/4 |
9150 or 9450 |
121 |
2.38:1 |
|
NC44-60 |
6 |
2 1/4 |
9150 or 9450 |
144.5 |
2.49:1 |
|
NC44-60 |
6 |
2 13/16 |
9150 or 9450 |
144.5 |
2.84:1 |
|
NC44-62 |
6 1/4 |
2 1/4 |
9150 or 9450 |
149.2 |
2.91:1 |
|
NC46-62(4 IF) |
6 1/4 |
2 13/16 |
9150 or 9450 |
150 |
2.63:1 |
|
NC46-65(4 IF) |
6 1/2 |
2 1/4 |
9150 or 9450 |
154.8 |
2.76:1 |
|
NC46-65(4 IF) |
6 1/2 |
2 13/16 |
9150 or 9450 |
154.8 |
3.05:1 |
|
NC46-67(4 IF) |
6 3/4 |
2 1/4 |
9150 or 9450 |
159.5 |
3.18:1 |
|
NC50-67(4 1/2 IF) |
6 3/4 |
2 13/16 |
9150 or 9450 |
159.5 |
2.37:1 |
|
NC50-70(4 1/2 IF) |
7 |
2 1/4 |
9150 or 9450 |
164.7 |
2.54:1 |
|
NC50-70(4 1/2 IF) |
7 |
2 13/16 |
9150 or 9450 |
164.7 |
2.73:1 |
|
NC50-72(4 1/2 IF) |
7 1/4 |
2 13/16 |
9150 or 9450 |
169.5 |
3.12:1 |
|
NC56-77 |
7 3/4 |
2 13/16 |
9150 or 9450 |
185.3 |
2.70:1 |
|
NC56-80 |
8 |
2 13/16 |
9150 or 9450 |
190.1 |
3.02:1 |
|
6 5/8 REG |
8 1/4 |
2 13/16 |
9150 or 9450 |
195.7 |
2.93:1 |
|
NC61-90 |
9 |
2 13/16 |
9150 or 9450 |
212.7 |
3.17:1 |
|
7 5/8 REG |
9 1/2 |
3 |
9150 or 9450 |
223.8 |
2.81:1 |
|
NC70-97 |
9 3/4 |
3 |
9150 or 9450 |
232.6 |
2.57:1 |
|
NC70-100 |
10 |
3 |
9150 or 9450 |
237.3 |
2.81:1 |
|
8 5/8 REG |
11 |
3 |
9150 or 9450 |
266.7 |
2.84:1 |
shaanxi rongle petroleum machinery co.,ltd. | |
---|---|
Country/Region: | Shaan Xi - China |
Business Nature: | Manufacturer |
Phone: | 17782981610 |
Contact: | Tony Fan (Manager) |
Last Online: | 30 Mar, 2018 |