Washover pipe 

Washover proceed is the efficient way for freeing the stuck accidents during the downhole operation. It is almost suitable for various stuck accidents. When the stuck accidents happen in downhole, it can free the stuck tools in short time, releasing you anxiety.

Washover pipe is the necessary tool for doing the washing operation. It adopts the connection of high strength pipe material and two-stage thread to assure the requirement of washing, avoiding some phenomenal such as the screw thread slipping, leaking, pipe breaking off, sticking pipe and so on which occurred by using common pipe. Therefore, it satisfies the need of the washing operation that the specifications of ordinary wash over cannot meet. For instance, washing the drill collar 8"in the 9 5/8"borehole and the drill collar 7"in the 8 1/2"borehole.

The two-stage thread used on the wash over pipe is a new-type connection, producing in the 80’s in America. Especially, the special wash over pipe is a serial product.

Zhaoxin Industry & Trade Company, Ltd. of Dongying City is located in the hinterland of beautiful Yellow River Delta --- Dongying City normally called “ Petroleum City”. The company, which conducts scientific research, development, manufacture, sale and after sale service, is one enterprise for oilfield tool and equipment manufacture.

At Shengli Industry Area, the company was established in 1999. It has owned more than 3000 square meters of workshops which manufacture different oilfield down hole tools and accessories such as fracture packer series, sand blast, fracture hydraulic anchor. The products of company have been widely applied in oilfields in China and entered markets abroad.

The company conducts management mode of combination between regulation and humanity, develops perfect management system and inspiring system, has achieved ISO9000 international quality system certification and has got first order market entry qualification. The company has owned practical, specialized, experienced and powerful research and development team, applied and got more than 40 national patents awarded by National Intellectual Property Bureau, widened the markets in Neimeng, Xinjiang, and Liaohe,etc, and established approved reputation.

For many years, the company has followed the management idea of existence by means of quality and development by means of innovation, maintained the service aim of quality first and reputation first, faced competition with the new products, explored development with the new idea and widened market with the new technology. In the future of more severe competition market, Zhaoxin Company , with perfect attitude, product and service, is going to make further development together with customers at home and abroad .

1. Are you manufacturer or trader company?


We are manufacturer and we could supply more professional technical services and goods.
The goods are new or used, if you will make technical drawing and production plans for us?
All our goods are new ones, the production schedule will offer to you once getting your purchase order.


2. Do you have related inspection equipments?


Yes, our factory is equipment all test equipments, and I could send their pictures and test documents to you.


3. Could you tell me if your price includs the third party inspection charges?

No, our price do not include the third party inspection charge, and we will notice on our Quotation.

4. Where did your products sell out?

United States, Canada, Mexico, Venezuela, Colubia, and other South American Region Russica, Azerbaijan and Central Asia Countires, UAE, Saudi Arabia and Mddle East Counties.


we are a professional manufacturer of oil downhole tools , high quality and reasonable price . 
Any problem about our products , welcome here .
Contact person :Alisa 
Mobile/Whatsapp : +86 13706368719