Drill Collar Lifting Sub
Features of Drill Collar Lifting Sub:
- API standard;
 - An integral component made of alloy steel subject to heat treatment;
 - Two types as per shoulder structure: sloping shoulder and straight shoulder;
 - Normal overall length: 1200mm (or customized);
 
Specifications of Drill Collar Lifting Sub:
| 
				 Nominal Size (mm/in.)  | 
			
				 I.D. (mm)  | 
			
				 Connection  | 
			
				 Drill Pipe O.D. (mm/in.)  | 
			
				 Elevate End O.D. (mm)  | 
		
| 
				 73.0 / 2 7/8  | 
			
				 31.8  | 
			
				 NC23  | 
			
				 79.4 / 3 1/8  | 
			
				 111.1  | 
		
| 
				 44.5  | 
			
				 NC26  | 
			
				 88.9 / 3 1/2  | 
		||
| 
				 88.9 / 3 1/2  | 
			
				 44.0  | 
			
				 NC31  | 
			
				 104.8 / 4 1/8  | 
			
				 127.0  | 
		
| 
				 50.8  | 
			
				 NC35  | 
			
				 120.7 / 4 3/4  | 
		||
| 
				 68.3  | 
			
				 NC38  | 
			
				 127.0 / 5  | 
		||
| 
				 127.0 / 5  | 
			
				 71.4  | 
			
				 NC44  | 
			
				 152.4 / 6  | 
			
				 168.3  | 
		
| 
				 158.9 / 6 1/4  | 
		||||
| 
				 
  | 
			
				 NC46  | 
			
				 158.9 / 6 1/4  | 
		||
| 
				 82.6  | 
			
				 165.1 / 6 1/2  | 
		|||
| 
				 
  | 
			
				 171.5 / 6 3/4  | 
		|||
| 
				 
  | 
			
				 NC50  | 
			
				 177.8 / 7  | 
		||
| 
				 
  | 
			
				 184.2 / 7 1/4  | 
		|||
| 
				 
  | 
			
				 NC56  | 
			
				 196.8 / 7 3/4  | 
		||
| 
				 
  | 
			
				 203.2 / 8  | 
		|||
| 
				 95.3  | 
			
				 6 5/8REG  | 
			
				 209.6 / 8 1/4  | 
		||
| 
				 
  | 
			
				 NC61  | 
			
				 228.6 / 9  | 
		||
| 
				 
  | 
			
				 7 5/8REG  | 
			
				 241.3 / 9 1/2  | 
		||
| 
				 
  | 
			
				 NC70  | 
			
				 247.7 / 9 3/4  | 
		||
| 
				 
  | 
			
				 254.0 / 10  | 
		|||
| 
				 
  | 
			
				 NC77  | 
			
				 279.4 / 11  | 
		
Pictures of Drill Collar Lifting Sub:
 
Drill Collar Lifting Sub
	
 
Drill Collar Lifting Sub - Structure
	
 
Drill Collar Lifting Sub - Thread
(For further and more detailed product information, you are welcome to contact us at any time in any of the following ways.)
	---------------------------------
Contact: 
	Aiphen ZHANG
Sales Manager
Chongqing Hi-Sea Marine Equipment Import & Export Co., Ltd.
Address: Unit 20-5, Building of Chongqing General Chamber of Commerce, No.2, Hongjin Street, Yubei District, Chongqing 401147, China
E-mail: oildept@hiseamarine.com
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