| After-sales Service: | Online |
|---|---|
| Warranty: | Online |
| Certification: | API |
| Power Source: | Hydraulic |
| Operation Pressure: | No |
| Applicable Medium: | Mud |
| Samples: |
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| Customization: |
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Suppliers with verified business licenses
Audited Supplier MWD NMDC(Nong magnetic Drill Collar)is used for setting MWD inside to make sure to keep accurate survey while drilling wells.
We offer all sizes and diamerers of NMDC according to API 7-1 standard specifications, and even produce by your designs.
|
Drill collar Number and Connection mm |
Outside Diameter mm |
Bore Diameter mm |
Length mm |
Bevel Diameter mm |
| NC31-41 | 104.8 | 50.8 | 9150 or 9450 |
100.4 |
| NC35-47 | 120.7 | 50.8 | 9150 or 9450 | 114.7 |
| NC38-50 | 127 | 57.2 | 9150 or 9450 | 121.0 |
| NC44-60 | 152.4 | 57.2 | 9150 or 9450 | 144.5 |
| NC44-60 | 152.4 | 71.4 | 9150 or 9450 | 144.5 |
| NC46-62 | 158.8 | 57.2 | 9150 or 9450 | 149.2 |
| NC46-62 | 158.8 | 71.4 | 9150 or 9450 | 150.0 |
| NC46-65 | 165.1 | 51.2 | 9150 or 9450 | 154.8 |
| NC46-65 | 165.1 | 71.4 | 9150 or 9450 | 154.8 |
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 with API certification. 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 coutries' national petroleum companies.
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) and Paypal, Western Union are the most usual ways we are using.
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.
Suppliers with verified business licenses
Audited Supplier 
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