Circulation Sub, Drift, Lifting Cap, Crossover, Bit Sub

• Customization: Available
• After-sales Service: 7/24 Hours After-Sales Services
• Warranty: 24 Month
• Model NO.: Sub
• Manufacturing Process: CNC Milling
• Surface Treatment: Spray-Paint
• Operation Pressure: Atmospheric Pressure
• Material: 4145h Mod/40crmnmo
• Length (mm): 610-914
• Connection: API 7-1 Standard
• Transport Package: Wooden Case
• Specification: 2 7/8", -36"
• Trademark: TIANHE
• Origin: China
• HS Code: 8341341000
• Production Capacity: 5000
• Package Size: 377.00cm * 100.00cm * 100.00cm
• Package Gross Weight: 94.000kg

Product Description

 

Product Description

Circulation Sub

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.

Drive Sub provides the crossover connection between fishing string and the washover pipe. Each sub is machined from high-grade alloy steel and heat treated to provide maximum strength and durability.

Lift Plug is designed to provide an economical method of handling washover strings. It is available in all thread types and sizes to support all connections. In addition, it has sufficient shoulder diameter to support and ensure proper handling of the washover string.

Washover safety joint is manufactured to provide safe and easy make-up and release of washover tools whenever disengagement of washover string is necessary. This dependable, rugged tool is designed for tough field applications to transmit torque in either direction when placed in the washover string.







Detailed Photo

 






Company Profile



Tianhe Oil Group is an integrated corporation engaged in research and development, manufacturing over 50 years, with two main facilities, one is located in Mudanjiang and the other in Shanghai city. .Tianhe Oil Group has 5 business scopes throughout 50 countries and regions,API Certificates.:



Shanghia Facility


Mudanjiang Facility





Certificate




Packing & Shipping

 

After Sales Services:

       7/24 Online



FAQ:

1.Q:Are you a factory or trading company?
We are a factory and the Top 3 of oildrilling equipment manufacturer.

2.Q:Where is your factory located? 
We locate in Heilongjiang Province, China.

3. Q:What do your factory do regarding quality control?
From material to products, we inspect each process to keep good quality.
And SGS inspection can be accepted.

4.Q:How about MOQ ?
We have stock of common sizes at hand, so even few ton is accepted.

5.Q:How about payment ?
Both T/T and L/C can be accepted.

6.Q: How long does your warranty?
We can assured the quality within 90 days after receiving the cargoes.