Downhole Drilling Circulating Sub with Drill Pipe Thread/Hammer Union Thread

• Customization: Available
• After-sales Service: Support
• Warranty: Support
• Manufacturing Process: Forging
• Surface Treatment: Polishing
• Operation Pressure: Atmospheric Pressure
• Material: Alloy
• Type: Circulating Sub
• Thread: Drill Pipe Thread/Hammer Union Thread
• Shipping Method: Express, Air, Sea
• Transport Package: Container
• Specification: Standrad
• Trademark: YCPT
• Origin: China
• HS Code: 84314310
• Production Capacity: 5000 Sets Per Month

Product Description

Downhole Drilling Circulating Sub With Drill Pipe Thread/Hammer Union Thread

Product Description

 

 

Description:
 

 

The Circulating Sub is connected between wellhead pipe string and ground circulating system. When casing is running or completed, the circulating sub can be connected to provide fluid circulation. According to the application, circulating sub is connected between Kelly and casing or between casing and a hose.

The circulating sub during running casing is equipped with casing pin thread on one end and DP thread, DP box thread or union thread on the other.

 

 

Thread/Model		ID mm	Length mm
Drill pipe box connection	Casing thread
NC38	5BTC	57	580
	5LTC
	5STC
	5-1/2 BTC
	5-1/2 LTC
	5-1/2 STC
NC50	7 BTC	71	610
	7 LTC
	7 STC
	9-5/8 BTC
	9-5/8 LTC
	9-5/8 STC
	10-3/4 BTC
	10-3/4 STC
	13-3/8 BTC
	13-3/8 LTC

Company Profile

 

 

 

 

We shandong yacheng petroleum technology are established in 2003 year, located in Dongying city, shengli oilfield,which is  second largest oilfield of China. 

Our business scope includes oilfield equipment supply, such as, drilling equipment and spares, wellhead equipment ,oil recovery equipment. 
We have been served Shengli oilfield in the last 19 years, established a solid partnership and network with quality OEM factories. 
Based on our responsive and responsible  engineering & commercial team, we can provide one-stop shop service to our customer, and package plan of procurement which brings added value in terms of delivery time, fair prices, inventory in stock. 
We are Looking forward to build up partnership with your company and provide our attentive service to you.

 

Certifications

Packaging & Shipping

 

FAQ

 

1) About Packing Inner packing: white box, color boxes (upon request), Outer packing: cartons or pallets
2) Terms of payment: We accept T/T,L/C
3)Terms of Shipment: About 30 days after receiving the advance payment,or according to both parties agreement
4)Ports of shipment: Tianjin,Qingdao, shanghai or other required Port, by sea or air
5)Guarantee: One year since delivery.
6)Inspection: 100% testing before delivery.