All products will be made according to API and related international standard as per customers' requirements.
Std Ref.:API 5CT and 5B ISO9001,2008
1.Grade:J55, K55, N80-1, N80-Q, L80, C90, P110
2.We also supply permium thread products by customer's request
3.Size: tubing coupling from 1.9" to 4-1/2",Casing coupling from 4-1/2" to 20"
4.Type: NU, EU(tubing coupling), STC,LC,BTC(casing coupling).
5.Surface treatment: Whole phosphating, or inside phosphating and outside coating
Packaging & Shipping
Standard export packing or wooden case.
Lake Petro company is a professional supplier of various oilfield equipment, including oil drilling and service equipment, oil production equipment, OCTG, wellhead & downhole tools and spare parts.
Our products have already been exported to USA, South America, Africa, Middle East, Russia and some other countries (regions). Lake Petro company has become VIP (assigned) supplier and built strategic partnership with some countries' national petroleum companies.
The information you may like to know before order:
1. Methods of Payment:
T/T (Telegraphic Transfer) or Western Union or L/C at sight
2. Handling time for an order
Based on order quantity, normally it takes 25 days for production.
Only 2 or 3 days if we have stock on your request size.
3. Shipping way
Sample order: we suggest Courier express like DHL/UPS/TNT/FEDEX or by air
Bulk order: we suggest by air or by sea.
4. Quality Control
We have our own experienced QC.
There will be strict inspection and testing for every order before shipping out.
5. After Services:
1. Our sales team will response for your question within 24 hours (Holidays Excluded)
2. Technical Support will be available in any time
3. Free replacement will provide once the failure confirmed caused by our product quality