# US 2014/0360036 A1 · Device for measuring an internal or external profile of a tubular component > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0360036 A1 - Document ID: US20140360036A1 - Status: Published application - Kind: A1 - Application number: 14/369,365 - Filed: 2012-12-26 - Published: 2014-12-11 - Earliest claimed: 2011-12-29 - Assignees: Vallourec Oil and Gas France; Nippon Steel & Sumitomo Metal Corporation - Applicants: Vallourec Oil and Gas France; Nippon Steel & Sumitomo Metal Corporation - Inventors: Régis Moreau; Pierre Martin - Web page: https://patentgrep.com/patent/US20140360036A1 ## CPC - G01B 5/20: for measuring contours or curvatures - G01B 5/08: for measuring diameters {(G01B5/0035 takes precedence; measuring radius of curvature G01B5/213)} - G01B 5/12: internal diameters - G01B 7/12: for measuring diameters - G01B 7/13: Internal diameters - G01B 11/08: for measuring diameters - G01B 11/12: internal diameters - G01B 21/10: for measuring diameters - G01B 21/14: internal diameters {(of boreholes or wells E21B47/08)} - G01B: MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS ## Abstract A device includes a first sensor for making a radial measurement of a tubular component and a support which can drive the first sensor in a circular trajectory in a predefined plane orthogonal to the principal axis of the component. The support includes a principal body that can be attached to the component by a releasable attachment mechanism and a rotary shaft onto which an arm carrying the first sensor is attached to allow displacement of the first sensor in a circular trajectory inside or about the component. The device further includes a second sensor for measuring an angular position of the first sensor for each of its radial measurements, the radial and angular measurements obtained allowing the profile of the component in the predefined plane to be determined. ## Claims ### Claim at position 1 1-12. (canceled) ### Claim 13 A device for measuring an external or internal profile of an end portion of a tubular component, comprising: a first sensor for making a radial measurement of the tubular component with respect to a pre-defined reference; a support which can drive the first sensor in a circular trajectory in a predefined plane orthogonal to the principal axis of the component, wherein the support comprises a principal body that can be attached to the component via a releasable attachment means and a shaft which is movable in rotation with respect to the body on which an arm carrying the first sensor is attached to allow displacement of the first sensor in a circular trajectory inside or about the tubular component; and a second sensor for measuring an angular position of the first sensor for each radial measurement of the first sensor, the radial and angular measurements of the first and second sensors allowing the profile of the component in the pre-defined plane to be determined. ### Claim 14 (depends on 13) A device according to claim 13, wherein the first sensor is of contact or contactless type, or of inductive type, or of optical detection type. ### Claim 15 (depends on 13) A device according to claim 13, wherein the arm is configured to allow adjustment of the sensor in axial and radial translation. ### Claim 16 (depends on 13) A device according to claim 13, further comprising actuating means of crank type to drive the shaft in rotation. ### Claim 17 (depends on 13) A device according to claim 13, wherein the principal body comprises an upright along which a position of the releasable attachment means can be adjusted. ### Claim 18 (depends on 17) A device according to claim 17, wherein the releasable attachment means comprises clamping lugs configured to clamp the component on an inside or outside. ### Claim 19 (depends on 13) A device according to claim 13, further comprising means for communicating with a unit for computing a two-dimensional profile from radial and angular measurements respectively provided by the first and second sensors. ### Claim 20 (depends on 13) A device according claim 13, wherein the second sensor comprises a first fixed element which is integral with the principal body and a second element which is mobile in rotation with respect to the first element and which is mounted on the rotary shaft. ### Claim 21 (depends on 20) A device according to claim 20, wherein the second sensor is a rotary encoder. ### Claim 22 (depends on 13) A method for measuring an internal or external profile of a tubular component using a device in accordance with claim 13, comprising: fixing the principal body of the support for the device to the component using the releasable attachment means such that the shaft substantially coincides with the principal axis of the tubular component; rotating the shaft to collect a plurality of radial measurements of the internal or external profile of the tubular component and a plurality of angular measurements corresponding to the plurality of radial measurements; computing the internal or external profile of the tubular component using the collected radial and angular measurements. ### Claim 23 (depends on 22) A method according to claim 22, wherein a series of measurements is produced in a plurality of planes along the principal axis of the tubular component. ### Claim 24 (depends on 23) A method according to claim 23, wherein, starting from the series of measurements obtained in different planes, a digital model of the internal or external profile of the tubular component is produced using a computer program, and a finite element computation is carried out on the digital model to determine a behaviour of the component as a function of at least one physical constraint.