API 7K wellhead Type HDS HDP RTM RTS Roller Kelly Bushing
Roller kelly bushing is a necessary tool for drilling, by matching with rotary square to drive kelly pipe. Through the rotation of four rolls, the friction between rolls and kelly pipes is reduced to extend service life. Change different rollers to match with different squares and hexagonal kelly pipes and connect with different rotary tables. Two transmission styles (square and pinconnect) are available. The product is designed and manufactured according to API Spec 7K Specification for Drill Equipment.
|
Model |
Type |
Drive way |
applicable size of kelly(in) |
|
|
Square |
Hex |
|||
|
HDS |
Heavy duty |
Square drive |
21/2-6
|
3-6 |
|
27-HDP |
Pin drive |
21/2-6
|
3-6 |
|
|
20-HDP |
21/2-6
|
3-6 |
||
|
RTM4 |
Medium duty |
Square drive |
21/2-51/4
|
3-41/4 |
|
RTS4 |
Light duty |
21/2-41/4
|
3-41/4 |
|
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) sor 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
Please see attached the website for our current collection. If you are interested, please do not hesitate to contact me.
- Step 1Find your interested products by search keywords
- Step 2Contact the supplier by clicking ”Enquire” or “request meeting” button, otherwise, you also could consult our import consultant.
- Step 3After verifying your email, get response from suppliers or our trade manager will contact you as soon as possible
- Step 4Set up meeting with the Chinese supplier without language barrier