Top Drive Saver Sub/Kelly Saver Sub for Oil Drilling

• Product Name: Mechanical 4 3/4 Nc38 Drilling Jars for Oilfield
• Certification: API
• Material: Carbon Steel
• Machine Type: Drilling Equipment
• Transport Package: Standard Export Package
• Specification: 200KG
• Model NO.: All
• Trademark: Lake Petro
• Origin: China
• Production Capacity: 1000PCS/Year

Product Description

Top drive saver sub/kelly saver sub for oil drilling

 

Product Description

Top Drive Saver Sub is a kind of sub connected with Lower IBOP and drill pipe, mainly used in the top drive system. Not only acting as crossover sub, but also protecting lower IBOP. Top drive saver sub can be divided into general top drive saver sub and low temperature top drive saver sub.

 

Item	O.D.	I.D.	OAL	Connection
	(mm/inch)	(mm/inch)	(mm/inch)	API
1	187(7-23/64)	44.5(1-3/4)	432(17)	6 5/8REG PIN×NC31 PIN
2	187(7-23/64)	44.5(1-3/4)	432(17)	6 5/8REG PIN LH×NC31 PIN LH
3	187(7-23/64)	57.2(2-1/4)	445(17-1/2)	6 5/8REG PIN×NC38 PIN
4	187(7-23/64)	57.2(2-1/4)	445(17-1/2)	6 5/8REG PIN LH×NC38 PIN LH
5	187(7-23/64)	71.4(2-13/16)	458(18)	6 5/8REG PIN×NC50 PIN
6	197(7-3/4)	57.2(2-1/4)	458(18)	6 5/8REG PIN×NC38 PIN
7	197(7-3/4)	71.4(2-13/16)	470(18-1/2)	6 5/8REG PIN×NC50 PIN
8	197(7-3/4)	71.4(2-13/16)	458(18)	6 5/8REG PIN LH×6 5/8REG PIN LH
Please specify the size if you have any special demand.

 

Our Services

FAQ

 

How can I place order? 

A: You can contact us by email about your order details, or place order on line. 

How can I pay you? 
A: After you confirm our PI, we will request you to pay. T/T (HSBC bank), L/C, D/P, Western Union are the most usual ways we are using. If you want to use other way, please tell me, we can discuss.

What's the order procedure? 
A: First we discuss order details, production details by email or TM. Then we issue you an PI for your confirmation. You will be requested to do pr-epaid full payment or deposit before we go into production. After we get the deposit, we start to process the order. We usually need 7-15days 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 start to prepare the shipment for you. 

How do you take care when your clients received defective products? 
A: replacement. If there are some defective items, we usually credit to our customer or replace in next shipment.