Produces API 5CT oil well casing

Cinina Factory Sales API 5CT N80 L80 oil well CASING 

Oil casing is a deep machining product with high requirements and large consumption in oil drilling and production engineering. Use the thread to connect a single oil casing pipe into a long string tubular high pressure vessel that can withstand hundreds of atmospheres for several kilometers. In 1924, API formulated the first oil well pipe standard. The joint threads of oil and casing are 10 threads per inch and 8 V-shaped threads per inch. However, they were later replaced by API 8 round thread and partial ladder thread, and are still used today. API SPEC 5B specifies that common casing threads are round threads (CSG for short) and trapezoidal threads (BCSG for short). These two types of threaded joints are commonly used in oil and gas fields in China. With the exploration and development of oil and gas in China, especially the increase of deep wells, ultra deep wells, high-pressure gas wells, directional wells, hydrogen sulfide containing wells and other wells, higher requirements have been put forward for the service performance of oil casing joints. The airtightness, connection strength and corrosion resistance of API round threads and partial ladder threads have not met the requirements, and special threaded joints have emerged as the times require.

TUBING is pipe used for the transportation of crude oil and natural gas from an oil or gas layer to the surface after drilling is complete.

It is made to withstand the pressure generated from the extraction process.

FAQ

Q1:  How long is your delivery time?

       According to the quantity of per size.Generally it is with 7 days if the goods are in stock,or it is 15-20 days if the goods are not in stock.

Q2: Do you provide samples ? is it free or extra ?

      Yes, we could offer the sample for free charge but do not pay the cost of freight.

Q3: What is your terms of payment ?

      A: Payment<=1000USD, 100% in advance.

           Payment>=1000USD, 30% T/T in advance ,balance before shippment.

      B:100% L/C at sight.

      C:30% advance payment ,70% L/C at sight.