Oil Drilling Tools Drill Pipe Adapter Sub Drill Bit Sub

• After-sales Service: on Line Support
• Warranty: 1 Year
• Manufacturing Process: Casting
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: Bit Sub
• Surface Treatment: Spray-Paint
• Operation Pressure: 5000-15000psi
• Material: Alloy
• Thread: Nc23
• Machine Type: Drilling Equipment
• Size: 2.3/8-5.1/2"
• Standard: API Spec 7-1
• Transport Package: Plywood Case
• Specification: Standard
• Trademark: Wise Channel
• Origin: Jiangsu China
• HS Code: 84139100
• Production Capacity: 10000units Per Year
• Package Size: 40.00cm * 25.00cm * 20.00cm
• Package Gross Weight: 20.000kg

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

 

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

 

 

Q:How can I place order? 
A: You can contact us by email or social media like WhatsApp on the order detail or place order on line. 

Q:How about the payment?
A: For new clients, advance payment(30%-100% of total amount) is required, the balance need to be paid before the delivery after your inspection.

Q:How can I pay you?
A: By T/T (Telegraphic Transfer) or L/C (Letter of Credit). After you receive the PI, you can make the payment through your bank as per the terms mentioned in PI.

Q: What's the order procedure? 
A: First we discuss order details, production details by email ,TM or other social media; then we issue you an PI for your confirmation. You will be requested to make full payment or deposit before we go into production.After we get the deposit, we start to process the order. Depending on the products you order, we usually a couple of days or even moths to complete production if we don't have the items in stock. Before production has been finished, we will contact you for shipment details, and the balance payment. After payment has been settled, we shall arrange the shipment for you. 

Q: How do you deal with  defective products received by the clients? 
A:  If there are some defective items, we usually credit to our customer or replace them in next shipment.