Black 4 1/2inch Inner and outer pipe of reverse circulation drill pipe

Double wall drill pipe, trenchless consists of inner drill pipe and outer drill pipe

Product Description:

The gas lift reverse circulation drilling technology has the advantages of large backflow, fast backflow, high drilling efficiency, high drilling efficiency, long drill life and good well quality. Safe and reliable drilling in complex formations. Continuous sampling (core) drilling, saving auxiliary time and reducing labor intensity, has been recognized in practice. It has become the main technical method for drilling water wells, geothermal wells, gas wells, coalbed methane wells and large-diameter projects at home and abroad, and the scope of application is getting wider and wider.

Double wall drill pipe

Drill pipe usage notes:

1. Before connecting the new drill pipe, apply thread oil on the threads
2. Trim and break at least 3 times before drilling
3. Hard bending and plastic coating can be processed according to the special requirements of customers.

Our Services:

1. Drill pipe strictly according to API ISO9001 standard.

2. If you found to quality problems within one month of the package returned.

3. All strictly according to the contract and fulfill the obligations and responsibilities.

4. 24 hours online customer service,feel free contact us.

FAQ

Q: Are you trading company or manufacturer ?
A: We are factory.

Q: How long is your delivery time?
A: Generally it is 7-30 days if the goods are in stock. or it is 30-60 days if the goods are not in stock, it is according to quantity.

Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample need to pay the cost of products and freight.

Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.

LANGFANG BAIWEI DRILL CO.,LTD

LangFang Baiwei Drill Co.,Ltd located in the center of Beijing, Tianjin and Hebei-Yongqing Industrial Area. Langfang Hebei.

Our company is a drilling tools manufacturing enterprisewith integration of design, geological, well, double wall, oil, auger and other special drilling pipes. And trenchless special drilling tools such as pilot guide bits,swivels, reamers, sub saver, pneumatic pipe rammer, pipe bursting machine.

We have specially invited domestic wellknown expert Mr.zhou shengfeng as our general manager who engaged in the HDD drilling tools and processing technology as technical consultant. A solid research team lays the foundation of product quality, new product development and after-sales service.

We have more than 30 provinces market in China. And our products are exported to India, Australia, Russia, Europe, North America and Middle East etc

"Unity, Progmatic, Self-Reliance, Innovation" Baiweiser adhering to the enterprise spiritto forge a good future for Baiwei.