公开(公告)号：US11268897B2

公开(公告)日：2022-03-08

申请号：US17266477

申请日：2019-08-07

申请人： Tenaris Connections B.V.

发明人： Miguel Sandro Nicolino

IPC分类号： G01N17/04

摘要： A corrosion testing device comprising a coupon holder for a sucker rod of a pump system and at least one coupon for corrosion testing, wherein the coupon holder comprises a holder body having an outer body surface and an inner contact surface, which inner contact surface is placeable on an outer rod surface of the sucker rod and defines a longitudinal body axis of the holder body, the at least one coupon is attached to the holder body and positioned at the outer body surface and at a radial coupon distance from the longitudinal body axis, the outer body surface comprises at least one guiding surface part located at a radial surface distance from the longitudinal body axis, and the radial surface distance is larger than the radial coupon distance.

公开(公告)号：US20210262918A1

公开(公告)日：2021-08-26

申请号：US17266477

申请日：2019-08-07

申请人： Tenaris Connections B.V.

发明人： Miguel Sandro Nicolino

IPC分类号： G01N17/04

摘要： A corrosion testing device comprising a coupon holder for a sucker rod of a pump system and at least one coupon for corrosion testing, wherein the coupon holder comprises a holder body having an outer body surface and an inner contact surface, which inner contact surface is placeable on an outer rod surface of the sucker rod and defines a longitudinal body axis of the holder body, the at least one coupon is attached to the holder body and positioned at the outer body surface and at a radial coupon distance from the longitudinal body axis, the outer body surface comprises at least one guiding surface part located at a radial surface distance from the longitudinal body axis, and the radial surface distance is larger than the radial coupon distance.