Professional oilfield api specification casing and tubing

Professional 2 7 8 oilfield api spec 5ct j55 octg Casing and TUBING with low price

According to the number of hanging CASING layers, it can be divided into single-stage casing head, two-stage casing head and three-stage casing head; Single stage casing head is generally used in production wells in low pressure shallow formation; The two-stage casing head is applicable to most areas with clear formation pressure, and is widely used; The third stage casing head is generally used in high-pressure deep wells or exploration wells

Casing is a large-diameter pipe that serves as the structural retainer for the walls of oil and gas wells or wellbore.

It is inserted into a well bore and cemented in place to protect both subsurface formations and the wellbore from collapsing and to allow

drilling fluid to circulate and extraction to take place

EASTSUN supply a lot W and X Series Casing material to 10 \" carbon steel oil casing pipe manufacturing, we ensure the material machinical propertities and straightness cutomer required. Pls see our material picture attached. We also do the threading to produce the finished 10 \" carbon steel oil casing pipe by our own factory, we supply the finished 10 \" carbon steel oil casing pipe to customer too.

Pls see our drilling 10 \" carbon steel oil casing pipe serise a follows:

"W" Design:       RW, EW, AW, BW, NW, HW, PW, SW, UW, ZW/HWT, PWT

Metric Series:    46, 56, 66, 76, 86, 101, 116, 131, 146

"X" Design:        RX, EX, AX, BX, NX, HX, PX, SX, UX, ZX

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.