| After-sales Service: | 1 Year |
|---|---|
| Warranty: | 1 Year |
| Material: | Cast Steel |
| Cetificate: | API |
| Usage: | Well Drilling |
| Transport Package: | Wooden Case |
| Samples: |
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| Customization: |
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Audited Supplier During drilling process, Junk sub is applied mainly for fishing of shivers and fallen objects such as carbide tooth, drill bit and bearing which cannot be carried out of hole by conventional fluid circulation, It possesses important functions to keep hole cleaning, increase bit service life, reduce and prevent drill bit from unexpected damage.
1. Cuts multiple strings smoothly, even when each string is not concentric.
2. Affords maximum expansion of blades up to 5 times body diameter.
3. Rugged 3-blade construction provides fast cut at high speeds.
4. Cutter arms can be changed on rig floor.
| Type | Body O.D/ in | Casing range/ in | Connection |
| GD298 | 11-3/4 | 11-3/4 ~ 60 | 6-5/8REG |
| GD203 | 8 | 9-5/8 ~ 20 | NC50 |
| GD146 | 5-3/4 | 7 ~ 16 | 3-1/2REG |
Lake Petro is located in Dongying City, which is famous for Shengli Oilfield and the largest manufacturing hub of petroleum equipment in China. Following the principle of "quality first, science and technology innovated, people oriented", every Lake Petro person is sparing no effort to provide the customers with best products and services. Our products are based on advanced production line and testing equipment, our products are designed and manufactured according to certification of ISO, GOST, etc.
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.
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Audited Supplier 
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