| Condition: | |
|---|---|
| Place of Origin: | China (Mainland) |
| Brand Name: | Sanmon |
| Model Number: | |
| Voltage: | |
| Power(W): | |
| Weight: | |
| Dimension(L*W*H): | |
| Certification: | |
| Warranty: | |
| After-sales Service Provided: |
Quick Details
Specifications
A. Slick Drill Collar
Note: 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. The Drill collar are manufactured strictly from API Spec7-1
B. Spiral Drill Collar
Note: Spiral drill collar is used to reduce contact area with hole so as to avoid efficiently bit sticking from diffirential pressure. The drill collars are manufactired strictly according to API Spec7-1
C.Non-magnetic Drill Collar
The as cold rolled finish on both ID and OD surface with unique technical process strengthen the structure and ensures the tools with optimal resistance to stress, corrosion, cracking and the mechanical performance is greatly enhanced
Connections
OD
ID
Length
mm
Bevel Diameter Df mm
Reference Bending Strength Ratio
mm
in
mm
in
NC23-31
79.4
3 1/8
31.8
1 1/4
9150
76.2
2.57:1
NC26-35
88.9
3 1/2
38.1
1 1/2
9150
82.9
2.42:1
NC31-41
104.8
4 1/8
50.8
2
9150 or 9450
100.4
2.43:1
NC35-47
120.7
4 3/4
50.8
2
915 or 9450
114.7
2.58:1
NC38-50
127.0
5
57.2
2 1/4
9150 or 9450
121.0
2.38:1
NC44-60
152.4
6
57.2
2 1/4
9150 or 9450
144.5
2.49:1
NC44-60
152.4
6
71.4
2 13/16
9150 or 9450
144.5
2.84:1
NC44-62
158.8
6 1/4
57.2
2 1/4
9150 or 9450
149.2
2.91:1
NC46-62
158.8
6 1/4
71.4
2 13/16
9150 or 9450
150.0
2.63:1
NC46-65
165.1
6 1/2
57.2
2 1/4
9150 or 9450
154.8
2.76:1
NC46-65
165.1
6 1/2
71.4
2 13/16
9150 or 9450
154.8
3.05:1
NC46-67
171.4
6 3/4
57.2
2 1/4
9150 or 9450
159.5
3.18:1
NC50-67
171.4
6 3/4
71.4
2 13/16
9150 or 9450
159.5
2.37:1
NC50-70
177.8
7
57.2
2 1/4
9150 or 9450
164.7
2.54:1
NC50-70
177.8
7
71.4
2 13/16
9150 or 9450
164.7
2.73:1
NC50-72
184.2
7 1/4
71.4
2 13/16
9150 or 9450
169.5
3.12:1
NC56-77
196.8
7 3/4
71.4
2 13/16
9150 or 9450
185.3
2.70:1
NC56-80
203.2
8
71.4
2 13/16
9150 or 9450
190.1
3.02:1
6 5/8REG
209.6
8 1/4
71.4
2 13/16
9150 or 9450
195.7
2.93:1
NC61-90
228.6
9
71.4
2 13/16
9150 or 9450
212.7
3.17:1
7 5/8REG
241.3
9 1/2
76.2
3
9150 or 9450
223.8
2.81:1
NC70-97
247.6
9 3/4
76.2
3
9150 or 9450
232.6
2.57:1
NC70-100
254.0
10
76.2
3
9150 or 9450
237.3
2.81:1
8 5/8REG
279.4
11
76.2
3
9150 or 9450
266.7
2.84:1
7.Spiral Groove Size:
|
OD |
Depth of cut A mm |
Pitch ±25.4 mm |
Depth of cut B mm |
|
|
mm |
in |
|||
|
98.4 |
3 7/8 |
4.0±0.79 |
914 |
|
|
101.6~111.1 |
4~4 3/8 |
4.8±0.79 |
914 |
|
|
114.3~130.2 |
4 1/2~5 1/8 |
5.6±0.79 |
965 |
|
|
133.4~146.1 |
5 1/4~5 3/4 |
6.4±0.79 |
1067 |
|
|
149.2~161.9 |
5 7/8~6 3/8 |
7.1±1.59 |
1067 |
|
|
165.1~177.8 |
6 1/2~7 |
7.9±1.59 |
1168 |
|
|
181.0~200.0 |
7 1/8~7 7/8 |
8.7±1.59 |
1626 |
5.6±0.79 |
|
203.2~225.4 |
8~8 7/8 |
9.5±1.59 |
1727 |
6.4±0.79 |
|
228.6~250.8 |
9~9 7/8 |
10.3±2.37 |
1829 |
7.1±1.59 |
|
254.0~276.2 |
10~10 7/8 |
11.1±2.37 |
1930 |
7.9±1.59 |
|
279.4 |
11 |
11.9±2.37 |
2037 |
8.7±1.59 |
I'm Lucy .Our company's name is " Yantai sanmon machinery equipments co.ltd. If you have any inquiry,please email me or call me .That will be my big honor to serve you