Sign In to Follow Application
View All Documents & Correspondence

Metal Pipe For Oil Wells

Abstract: The present invention provides a metal pipe for oil wells, the metal pipe having a high shear strength. A metal pipe for oil wells according to the present disclosure is provided with a resin film (100) on or above at least one of a pin contact surface (400) and a box contact surface (500). The resin film (100) contains 50.0% to 99.5% by mass of a resin, 0% to 10.0% by mass of a wax, 0% to 30.0% by mass of a fluorine-based additive, 0% to 10.0% by mass of graphite, 0% to 30.0% by mass of a rust preventive pigment, 0% to 10.0% by mass of a coloring pigment and 0% to 10.0% by mass of a coupling agent, while additionally containing 1.5% to 50.0% by mass of a hydrated magnesium silicate powder and/or 0.5% to 30.0% by mass of TiO2, and satisfying formula (1). (1): (W + F + G)/(M + T) = 5.00

Get Free WhatsApp Updates!
Notices, Deadlines & Correspondence

Patent Information

Application #
Filing Date
09 May 2024
Publication Number
49/2024
Publication Type
INA
Invention Field
MECHANICAL ENGINEERING
Status
Email
Parent Application

Applicants

NIPPON STEEL CORPORATION
6-1, Marunouchi 2-chome, Chiyoda-ku, Tokyo 1008071
VALLOUREC OIL AND GAS FRANCE
54 rue Anatole France, Aulnoye-Aymeries 59620

Inventors

1. ABE, Tomoka
c/o NIPPON STEEL CORPORATION, 6-1, Marunouchi 2-chome, Chiyoda-ku, Tokyo 1008071
2. MATSUMOTO, Keishi
c/o NIPPON STEEL CORPORATION, 6-1, Marunouchi 2-chome, Chiyoda-ku, Tokyo 1008071
3. OCHIAI, Mamoru
6th Floor, VPO Higashinihonbashi, 3-4-13, Higashinihonbashi, Chuo-ku, Tokyo 1030004
4. IWAKI, Yuichi
6th Floor, VPO Higashinihonbashi, 3-4-13, Higashinihonbashi, Chuo-ku, Tokyo 1030004

Specification

Documents

Application Documents

# Name Date
1 202417036817-STATEMENT OF UNDERTAKING (FORM 3) [09-05-2024(online)].pdf 2024-05-09
2 202417036817-REQUEST FOR EXAMINATION (FORM-18) [09-05-2024(online)].pdf 2024-05-09
3 202417036817-PROOF OF RIGHT [09-05-2024(online)].pdf 2024-05-09
4 202417036817-POWER OF AUTHORITY [09-05-2024(online)].pdf 2024-05-09
5 202417036817-NOTIFICATION OF INT. APPLN. NO. & FILING DATE (PCT-RO-105-PCT Pamphlet) [09-05-2024(online)].pdf 2024-05-09
6 202417036817-FORM 18 [09-05-2024(online)].pdf 2024-05-09
7 202417036817-FORM 1 [09-05-2024(online)].pdf 2024-05-09
8 202417036817-FIGURE OF ABSTRACT [09-05-2024(online)].pdf 2024-05-09
9 202417036817-DRAWINGS [09-05-2024(online)].pdf 2024-05-09
10 202417036817-DECLARATION OF INVENTORSHIP (FORM 5) [09-05-2024(online)].pdf 2024-05-09
11 202417036817-COMPLETE SPECIFICATION [09-05-2024(online)].pdf 2024-05-09
12 202417036817-FORM 3 [25-10-2024(online)].pdf 2024-10-25