API Hwdp&Heavy Weight Drill Pipe for Oil Logging

• After-sales Service: 1 Year
• Warranty: 1 Year
• Certification: API
• Standard: AISI, ASME, ANSI, GOST, ASTM
• Surface Treatment: Spray-Paint
• Manufacturing Process: Forging
• Model NO.: ASSK-13
• Material: According to Customer
• Transport Package: Wooden Box
• Specification: 2-3/8 inch~6-5/8 inch
• Trademark: Tolian
• Origin: Liaoning Anshan
• HS Code: 7304512000
• Production Capacity: 50000 Pieces/Year

Product Description

Heavy Weight Drill Pipe


Standard: API SPEC 7-1, API SPEC 7-2
HWDP is a kind of transitional drill stem between drill pipe and collar. It can effectively alleviate the stress concentration in transition section between collar and drill pipe and provide drilling pressure, and it can effectively reduce connection area and wear rate between drill string and the well wall.

 

 

Heavy Weight Drill Pipe Specifications
 

Nominal Size	Pipe Body				Tool Joint				Single Weight kg/piece
	OD mm	ID mm	Upset Diameter		RSC Type	OD mm	ID mm	HSC Bevel Diameter mm
			Center Dia. mm	End Dia. mm
3-1/2	88.9	57.4	101.6	98.4	NC38	127.0	52.4	116.3	312
3-1/2	88.9	57.2	101.6	98.4	NC38	127.0	57.2	116.3	282
4	101.6	65.1	114.3	106.4	NC40	133.4	65.1	127.4	370
4 -1/2	114.3	69.9	127.0	119.1	NC46	158.8	69.9	145.3	558
5	127.0	76.2	139.7	130.2	NC50	168.3	76.2	154.0	672
5 -1/2	139.7	92.1	152.4	144.5	5 1/2FH	184.2	92.1	170.7	776
6- 5/8	168.3	114.3	184.2	176.2	6 5/8FH	203.2	144.3	195.7	964