Global Patent Index - EP 3450585 A4

EP 3450585 A4 20200318 - OIL WELL PIPE FOR EXPANDABLE TUBULAR

Title (en)

OIL WELL PIPE FOR EXPANDABLE TUBULAR

Title (de)

ÖLBOHRLOCHROHR FÜR EXPANDIERBARES ROHR

Title (fr)

TUYAU DE PUITS DE PÉTROLE POUR MATÉRIEL TUBULAIRE EXTENSIBLE

Publication

EP 3450585 A4 20200318 (EN)

Application

EP 16915083 A 20160830

Priority

JP 2016075364 W 20160830

Abstract (en)

[origin: EP3450585A1] An oil well pipe for expandable tubular, containing, in terms of % by mass: 0.020 to 0.080% of C, 0.50% or less of Si, 0.30 to 1.60% of Mn, 0.030% or less of P, 0.010% or less of S, 0.005 to 0.050% of Ti, and 0.010 to 0.500% of Al, and the balance being Fe and impurities, wherein, in a metallographic microstructure, an area fraction of a first phase composed of ferrite is from 90.0% to 98.0% and an area fraction of a second phase composed of one or more selected from the group consisting of tempered martensite, tempered bainite, and pearlite is from 2.0% to 10.0%.

IPC 8 full level

C22C 38/02 (2006.01); C21D 1/18 (2006.01); C21D 9/08 (2006.01); C22C 38/00 (2006.01); C22C 38/04 (2006.01); C22C 38/06 (2006.01); C22C 38/08 (2006.01); C22C 38/12 (2006.01); C22C 38/14 (2006.01); C22C 38/16 (2006.01); C22C 38/20 (2006.01); C22C 38/22 (2006.01); C22C 38/24 (2006.01); C22C 38/26 (2006.01); C22C 38/28 (2006.01); C22C 38/44 (2006.01); C22C 38/46 (2006.01); C22C 38/48 (2006.01); C22C 38/50 (2006.01); C22C 38/58 (2006.01)

CPC (source: EP KR US)

C21D 1/18 (2013.01 - EP); C21D 8/105 (2013.01 - US); C21D 9/08 (2013.01 - EP KR); C21D 9/085 (2013.01 - EP US); C22C 38/00 (2013.01 - EP US); C22C 38/002 (2013.01 - EP US); C22C 38/02 (2013.01 - EP KR US); C22C 38/04 (2013.01 - EP KR US); C22C 38/06 (2013.01 - EP KR US); C22C 38/08 (2013.01 - EP US); C22C 38/12 (2013.01 - EP US); C22C 38/14 (2013.01 - EP KR US); C22C 38/16 (2013.01 - EP US); C22C 38/20 (2013.01 - EP); C22C 38/22 (2013.01 - EP); C22C 38/24 (2013.01 - EP); C22C 38/26 (2013.01 - EP US); C22C 38/28 (2013.01 - EP US); C22C 38/44 (2013.01 - EP); C22C 38/46 (2013.01 - EP); C22C 38/48 (2013.01 - EP US); C22C 38/50 (2013.01 - EP); C22C 38/58 (2013.01 - US); C21D 9/08 (2013.01 - US); C21D 2211/002 (2013.01 - US); C21D 2211/005 (2013.01 - KR US); C21D 2211/008 (2013.01 - US); C21D 2211/009 (2013.01 - US)

Citation (search report)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DOCDB simple family (publication)

EP 3450585 A1 20190306; EP 3450585 A4 20200318; CN 109072370 A 20181221; JP WO2018042522 A1 20190328; KR 20190003649 A 20190109; US 2019292637 A1 20190926; WO 2018042522 A1 20180308

DOCDB simple family (application)

EP 16915083 A 20160830; CN 201680085417 A 20160830; JP 2016075364 W 20160830; JP 2018536562 A 20160830; KR 20187034432 A 20160830; US 201616302244 A 20160830