Oil Drilling Tools Drill Pipe Adapter Sub Drill Bit Sub

• Customization: Available
• After-sales Service: Online Service
• Warranty: 12 Month
• Model NO.: all model
• Manufacturing Process: Forging
• Surface Treatment: Spray-Paint
• Operation Pressure: Atmospheric Pressure
• Material: Alloy
• Steel Grade: AISI 4145h
• Thread Type: If Reg Nc Fh
• Thread Size: 2-3/8′′ to 6-5/8′′
• Standard: API 7-1
• Transport Package: Wooden Box
• Specification: CUSTOM MADE
• Trademark: JX PETRO
• Origin: Dongying
• HS Code: 84314310
• Production Capacity: 2000PCS/Month
• Package Size: 60.00cm * 25.00cm * 25.00cm
• Package Gross Weight: 75.000kg

Product Description

Product Description

Cross-over sub acts for conversion and connection and is the basic component in downhole work. It is divided into drill string cross-over sub and tubing Cross-over sub. Drill string Cross-over sub is divided into type A, type B and type C.And we can desgin and manufacture special types of subs to satisfy clients' ideas or drawings . 

1.OD:57mm-168mm

2.Material:35CrMo/40Cr/4137H

3.Length: N:235mm M:195mm or as your request

4.Apply to connection 50mm drill rod Well Drilling,Geological drilling

5.Tool Joint: NC26, NC31, NC38, NC40, NC46, NC50, Vam Top or as your request

 

Product Parameters

 

Crossover sub
Description	Upper Connection pat	Lower Connection Part	Type
Kelly cross-over sub	Kelly	Drill pipe	A or B
Drill pipe cross-over sub	Drill pipe	Drill pipe	A or B
Interim cross-over sub	Drill pipe	Drill collar	A or B
Drill collar cross-over sub	Drill collar	Drill collar	A or B
Drill bit cross-over sub	Drill collar	Drill bit	A or B
Swivel cross-over sub	Swivel lower sub	Kelly	C
Fishing cross-over sub	Kelly	Drill pipe	C
	Drill pipe	Fishing tools	C
** Crossover sub can be customized as per customer's design.

 

Pin-Box  Adaptors
Model	Size A(mm)	Size B(mm)	Size C(mm)	Wrench Flat(mm)
2 3/8 REG pin - 2 3/8 REG box	25	45	78	57
2 3/8 IF pin - 2 3/8 REG box	25	45	89	70
2 3/8 IF pin - 2 3/8 IF box	25	45	89	70
2 3/8 REG pin - 2 7/8 REG box	25	45	102	70
2 7/8 IF pin - 2 7/8 IF box	25	45	108	85
3 1/2 REG pin - 3 1/2 REG box	25	50	114	95

 

Box-Box Adaptors
Model	Size A(mm)	Size B(mm)	Size C(mm)	Wrench Flat(mm)
2 3/8 REG box - 2 3/8 REG box	97	45	89	70
2 3/8 REG box - 2 7/8 REG box	115	50	102	85
2 3/8 IF box - 3 1/2 REG box	102	50	114	95
2 7/8 REG box- 3 1/2 REG box	122	50	114	95

 

Pin-Pin Adaptors
Model	Size A(mm)	Size B(mm)	Size C(mm)	Wrench Flat(mm)
2 3/8 REG pin - 2 3/8 REG pin	21	45	89	70
3 1/2 REG pin - 3 1/2 REG pin	23	50	114	95
3 1/2 REG pin - 4 1/2 REG pin	30	50	140	102
4 1/2 REG pin - 4 1/2 REG pin	30	50	140	102

 

Detailed Photos

 

Drawing

 

 

machining process