Slick Drill Collar & Spiral Drill Collar

Standard: ISO
Usage: Well Drilling Machinery, Offshore Oil and Gas Field Exploitation Machinery
Tractor Hoist Type: Crawler Tractor Hoist
Offshore Unit Type: Jack-up Drilling Rig
Drill Bit Size: 17 1/2 inch
Drill Bit Blade: 5
Customization:

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Gold Member Since 2009

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Manufacturer/Factory & Trading Company

Basic Info.

Rig Type
AC Electric Trailer Rig
Drilling Depth
7000m
Transmission System
Hydraulic
Power Type
Diesel
Transport Package
Iron Frame
Specification
27/8"~65/8"
Trademark
tianhe
Origin
China
Production Capacity
20000

Product Description

Drill collar is mainly used to provide bit weight to drill bit so that drill piipe is in tension. Especially drill collar can keep drill bit centralized and hole tradck by large rigidity. Spiral drill collar is used to reduce contact area with hole so as to avoid efficienty bit stricking from differential pressure. Our drill colars are manufactured as per API spec. 7.
Drill collar thread type
 
OD
 
ID
 
Length (mm)
 
NC23-31
 
mm
 
in
 
mm
 
in
 

 
NC26-35 ( 23/8 ″ IF )
 
79.4
 
3 1/8
 
31.8
 
11/4
 
9150
 
NC31- 41(27/8 ″ IF)
 
88.9
 
31/2
 
38.1
 
11/2
 
9150
 
NC35-47
 
104.8
 
41/8
 
50.8
 
2
 
9150
 
NC38-50(31/2 ″ IF)
 
120.7
 
43/4
 
50.8
 
2
 
9150
 
NC44-60
 
127.0
 
5
 
57.2
 
21/4
 
9150
 
NC44-60
 
152.4
 
6
 
57.2
 
21/4
 
9150 (or) 9450
 
NC44-62
 
152.4
 
6
 
71.4
 
2 13/16
 
9150 (or) 9450
 
NC46-62(4 ″ IF)
 
158.8
 
61/4
 
57.2
 
21/4
 
9150 (or) 9450
 
NC46-65(4 ″ IF)
 
158.8
 
61/4
 
71.4
 
2 13/16
 
9150 (or) 9450
 
NC46-67(4 ″ IF)
 
165.1
 
61/2
 
57.2
 
2 13/16
 
9150 (or) 9450
 
N50-67(4 1/2 ″ IF)
 
165.1
 
61/2
 
71.4
 
2 13/16
 
9150 (or) 9450
 
NC50-70(4 1/2 ″ IF)
 
171.4
 
63/4
 
57.2
 
2 13/16
 
9150 (or) 9450
 
NC50-70(4 1/2 ″ IF)
 
171.4
 
63/4
 
71.4
 
2 13/16
 
9150 (or) 9450
 
NC50-72(4 1/2 ″ IF)
 
177.8
 
7
 
57.2
 
2 1/4
 
9150 (or) 9450
 
NC50-70(4 1/2 ″ IF)
 
177.8
 
7
 
71.4
 
2 13/16
 
9150 (or) 9450
 
NC50-72(4 1/2 ″ IF)
 
184.2
 
71/4
 
71.4
 
2 13/16
 
9150 (or) 9450
 
NC56-77
 
196.8
 
73/4
 
71.4
 
2 13/16
 
9150 (or) 9450
 
NC56-80
 
203.2
 
8
 
71.4
 
2 13/16
 
9150 (or) 9450
 
6 5/8 ″ REG
 
209.6
 
81/4
 
71.4
 
2 13/16
 
9150 (or) 9450
 
NC61-90
 
228.6
 
9
 
71.4
 
2 13/16
 
9150 (or) 9450
 
7 5/8 ″ REG
 
241.3
 
9 1/2
 
76.2
 
3
 
9150 (or) 9450
 
NC70-97
 
247.6
 
93/4
 
76.2
 
3
 
9150 (or) 9450
 
NC70-100
 
254.0
 
10
 
76.2
 
3
 
9150 (or) 9450
 
8 5/8 ″ REG
 
279.4
 
11
 
76.2
 
3
 
9150 (or) 9450
 

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Gold Member Since 2009

Suppliers with verified business licenses

Manufacturer/Factory & Trading Company
Number of Employees
226
Year of Establishment
2006-07-11