MUMBAI, India, Feb. 21 -- Intellectual Property India has published a patent application (202517000620 A) filed by Nippon Steel Corporation; and Vallourec Oil And Gas France, Tokyo, on Jan. 3, for 'metal pipe for oil well.'
Inventor(s) include Oshima, Masahiro.
The application for the patent was published on Feb. 21, under issue no. 08/2025.
According to the abstract released by the Intellectual Property India: "Provided is a metal pipe for an oil well, the metal pipe comprising a Zn-Ni alloy plating layer having excellent seizure resistance. A metal pipe (1) for an oil well according to the present disclosure comprises a pipe body (10) including a first end part (10A) and a second end part (10B). The pipe body (10) includes a pin (40) f...