產品描述
Drill Collar
|
 |
| |
Drill Collar is mainly used to provide bit weight to drill bit so that drill pipe is in tension. Especially drill collar can keep drill bit centralized and hole track by large rigidity. TIANHE brand drill collars are manufactured strictly from API Spec7-1 and SY5411 standard.
Technical specifications and parameters
| Drill Collar Number |
O.D. |
I.D. |
Length
(mm) |
Bevel Diameter |
Ref bend g Strength ratio |
| (mm) |
(in) |
(mm) |
(in) |
| NC23-31 |
79.4 |
3 1/8 |
31.8 |
1 1/2 |
9150 |
76.2 |
2.57:1 |
| NC26-35(2 3/8 IF) |
88.9 |
3 1/2 |
38.1 |
1 1/2 |
9150 |
82.9 |
2.42:1 |
| NC31-41(2 7/8 IF) |
104.8 |
4 1/8 |
50.8 |
2 |
9150 |
100.4 |
2.43:1 |
| NC35-47 |
120.6 |
4 3/4 |
50.8 |
2 |
9150 |
114.7 |
2.58:1 |
| NC38-50(3 1/2 IF) |
127.0 |
5 |
57.2 |
2 1/4 |
9150 |
121.0 |
2.38:1 |
| NC44-60 |
152.4 |
6 |
57.2 |
2 1/4 |
9150 & 9450 |
144.5 |
2.49:1 |
| NC44-60 |
152.4 |
6 |
71.4 |
2 13/16 |
9150 & 9450 |
144.5 |
2.84:1 |
| NC44-62 |
158.8 |
6 1/4 |
57.2 |
2 1/4 |
9150 & 9450 |
149.2 |
2.91:1 |
| NC46-62(4IF) |
158.8 |
6 1/4 |
71.4 |
2 13/16 |
9150 & 9450 |
150.0 |
2.63:1 |
| NC46-65(4IF) |
165.1 |
6 1/2 |
57.2 |
2 1/4 |
9150 & 9450 |
154.8 |
2.76:1 |
| NC46-65(4IF) |
165.1 |
6 1/2 |
71.4 |
2 13/16 |
9150 & 9450 |
154.8 |
3.05:1 |
| NC46-67(4IF) |
171.4 |
6 3/4 |
57.2 |
2 1/4 |
9150 & 9450 |
159.5 |
3.18:1 |
| NC50-67(4 1/2 IF) |
171.4 |
6 3/4 |
71.4 |
2 13/16 |
9150 & 9450 |
159.5 |
2.37:1 |
| NC50-70(4 1/2 IF) |
177.8 |
7 |
57.2 |
2 1/4 |
9150 & 9450 |
164.7 |
2.54:1 |
| NC50-70(4 1/2 IF) |
177.8 |
7 |
71.4 |
2 13/16 |
9150 & 9450 |
164.7 |
2.73:1 |
| NC50-72(4 1/2 IF) |
184.2 |
7 1/4 |
71.4 |
2 13/16 |
9150 & 9450 |
169.5 |
3.12:1 |
| NC56-77 |
196.8 |
7 3/4 |
71.4 |
2 13/16 |
9150 & 9450 |
185.3 |
2.70:1 |
| NC56-80 |
203.2 |
8 |
71.4 |
2 13/16 |
9150 & 9450 |
190.1 |
3.02:1 |
| 6 5/8 REG |
209.6 |
8 1/4 |
71.4 |
2 13/16 |
9150 & 9450 |
195.7 |
2.93:1 |
| NC61-90 |
228.6 |
9 |
71.4 |
2 13/16 |
9150 & 9450 |
212.6 |
3.17:1 |
| 7 5/8 REG |
241.3 |
9 1/2 |
76.2 |
3 |
9150 & 9450 |
223.8 |
2.81:1 |
| NC70-97 |
247.6 |
9 3/4 |
76.2 |
3 |
9150 & 9450 |
232.8 |
2.57:1 |
| NC70-100 |
254 |
10 |
76.2 |
3 |
9150 & 9450 |
237.3 |
2.81:1 |
| 8 5/8 REG |
279.4 |
11 |
76.2 |
3 |
|
|
|
產品圖片
圖 1
免責聲明：以上信息由企業自行提供，內容的真實性和合法性由發布企業負責。「自助貿易」對此不承擔任何保証責任。
舉報投訴：如發現違法和不良資訊，請
點此處舉報。
