Specifications

Crossover Subs are used for crossing over from the size of a single connection to the other in the drill string. They are also used for prolonging the life of the more expensive components of the drill string. 
 

the connections of the Subs are available in the following types of configurations:

1.   Pin-Pin.

2.   Box-Box.

3.   Box-Pin.
We can offer the products with Grade N80,J55,P110
the size from 2-3/8" to 4-1/2"

 

Tubing Cross-over as per API 5CT & 5B
No.	Size	Grade
1	1.050" NU * 1.050" EU	J55, K55, L80, N80, C95, P110, Q125
	1.315" NU * 1.315" EU
	1.660" NU * 1.660 EU
	1.900" NU * 1.900 EU
	2-3/8" NU * 2-3/8 EU
	2-7/8" NU * 2-7/8 EU
	3-1/2" NU *3-1/2 EU
	4" NU * 4" EU
	4-1/2" NU * 4-1/2" EU
2	1.050" NU * 1.315" NU
	1.315" NU * 1.660" NU
	1.660" NU * 1.900" NU
	1.900" NU * 2-3/8" NU
	2-3/8" NU * 2-7/8" NU
	2-7/8" NU * 3-1/2" NU
	3-1/2" NU * 4" NU
	4" NU * 4-1/2" NU
3	1.050" EU * 1.315" EU
	1.315" EU * 1.660" EU
	1.660" EU * 1.900" EU
	1.900" EU * 2-3/8" EU
	2-3/8" EU * 2-7/8" EU
	2-7/8" EU * 3-1/2" EU
	3-1/2" EU * 4" EU
	4" EU * 4-1/2" EU

We are mainly engaging in production and sales of oil and gas drilling and extracting equipments and tools; Our products mainly include Tubing, Casing, Coupling, Pup joints, cross-over etc..