WO1996013699A3 - Pipeline inspection pig and method for using same - Google Patents

Pipeline inspection pig and method for using same Download PDF

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Publication number
WO1996013699A3
WO1996013699A3 PCT/US1995/013878 US9513878W WO9613699A3 WO 1996013699 A3 WO1996013699 A3 WO 1996013699A3 US 9513878 W US9513878 W US 9513878W WO 9613699 A3 WO9613699 A3 WO 9613699A3
Authority
WO
WIPO (PCT)
Prior art keywords
pig
sensors
radial
corrected
radial sensors
Prior art date
Application number
PCT/US1995/013878
Other languages
French (fr)
Other versions
WO1996013699A2 (en
Inventor
Ken Baldwin Nichols
Lowell Robert Milligan
Phillip Eldon Miller
Lennie Charles Reeh
Original Assignee
I D Measurements Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by I D Measurements Inc filed Critical I D Measurements Inc
Priority to AU43627/96A priority Critical patent/AU4362796A/en
Publication of WO1996013699A2 publication Critical patent/WO1996013699A2/en
Publication of WO1996013699A3 publication Critical patent/WO1996013699A3/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/28—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring contours or curvatures
    • G01B7/281—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring contours or curvatures for measuring contour or curvature along an axis, e.g. axial curvature of a pipeline or along a series of feeder rollers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/12—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring diameters
    • G01B7/13—Internal diameters

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)

Abstract

An instrumented inspection pig is disclosed. The pig comprises a central mandrel; two supporting members affixed to the central mandrel; two pairs of diametrically opposed radial sensors outputting a signal proportional to the distance between the inner wall of the pipe and the pig centerline through the radial sensor; an orientational sensor measuring the rotational orientation of the pig relative to the gravity vector and generating data indicating the same; a processor receiving the signals from the radial sensors and the orientational sensor and storing the data therein indicating the distance between the inner wall and the pig's axial centerline; and a power supply providing power to the rotational sensors and the processor. The raw diameters measured by the respective pairs of radial sensors at any given point for which data is available are calculated from the distances measured by the radial sensors. Each raw diameter is corrected for skew and is then orthogonally corrected using the distance measurements from the radial sensors. Approximate bend radius for the specific point is also derivable from the measured distances. The corrected diameters are then scrutinized to determine whether a mash or ovality condition is present and, where desirable, the bend radius of the pipe.
PCT/US1995/013878 1994-10-27 1995-10-26 Pipeline inspection pig and method for using same WO1996013699A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU43627/96A AU4362796A (en) 1994-10-27 1995-10-26 Pipeline inspection pig and method for using same

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US32988594A 1994-10-27 1994-10-27
US08/329,885 1994-10-27

Publications (2)

Publication Number Publication Date
WO1996013699A2 WO1996013699A2 (en) 1996-05-09
WO1996013699A3 true WO1996013699A3 (en) 1996-06-27

Family

ID=23287434

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1995/013878 WO1996013699A2 (en) 1994-10-27 1995-10-26 Pipeline inspection pig and method for using same

Country Status (2)

Country Link
AU (1) AU4362796A (en)
WO (1) WO1996013699A2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109141711A (en) * 2018-07-09 2019-01-04 中国石油大学(华东) Chain wheel set drive-type pipe cleaner bend pipe pulls experimental provision and experimental method

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3647163B2 (en) * 1996-09-04 2005-05-11 忠義 永岡 Cylindrical screen wall distance measuring device
US6862099B2 (en) * 2002-04-05 2005-03-01 Varco I/P Tubular ovality testing
US6862814B2 (en) * 2002-12-20 2005-03-08 The Boeing Company High speed linear displacement measurement
GB0807940D0 (en) * 2008-05-01 2008-06-11 Pipeline Engineering And Suppl Pipeline monitoring apparatus and method
US9181796B2 (en) 2011-01-21 2015-11-10 Schlumberger Technology Corporation Downhole sand control apparatus and method with tool position sensor
EP2811111A1 (en) * 2013-06-05 2014-12-10 ETH Zurich Method and device for measuring pressure exerted by earth material
GB201406131D0 (en) * 2014-04-04 2014-05-21 Epidote Holdings Ltd System and method for determining deformed pipe geometry
WO2023049975A1 (en) 2021-10-01 2023-04-06 Pipeway Engenharia Ltda Internal duct integrity inspection equipment using magnetic metal memory

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3882606A (en) * 1973-05-16 1975-05-13 Amf Inc Method and apparatus for measuring curvature and curvature variations in pipelines and the like
US3964171A (en) * 1973-06-04 1976-06-22 Snam Progetti S.P.A. Device for steplessly detecting the ovalizations and the projections on two orthogonal planes of the curved geometrical configuration of a submerged pipeline
US3974680A (en) * 1975-05-27 1976-08-17 Inspection Technology Development, Inc. Pipeline leak detector
EP0051912A1 (en) * 1980-11-11 1982-05-19 British Gas Corporation Apparatus for monitoring the topography of the internal surface of a pipe
GB2088554A (en) * 1980-11-28 1982-06-09 Pls Pipeline Service Uk Ltd Pipeline route surveying device
DE3506622A1 (en) * 1985-02-26 1986-08-28 Hermann Dipl.-Ing. 4450 Lingen Rosen Pig for continuous measurement and recording of the internal geometry of a pipeline
FR2610100A1 (en) * 1987-01-23 1988-07-29 Syminex Systemes Expl Minerale Method and devices for determining the deformations and path of a pipe

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3882606A (en) * 1973-05-16 1975-05-13 Amf Inc Method and apparatus for measuring curvature and curvature variations in pipelines and the like
US3964171A (en) * 1973-06-04 1976-06-22 Snam Progetti S.P.A. Device for steplessly detecting the ovalizations and the projections on two orthogonal planes of the curved geometrical configuration of a submerged pipeline
US3974680A (en) * 1975-05-27 1976-08-17 Inspection Technology Development, Inc. Pipeline leak detector
EP0051912A1 (en) * 1980-11-11 1982-05-19 British Gas Corporation Apparatus for monitoring the topography of the internal surface of a pipe
GB2088554A (en) * 1980-11-28 1982-06-09 Pls Pipeline Service Uk Ltd Pipeline route surveying device
DE3506622A1 (en) * 1985-02-26 1986-08-28 Hermann Dipl.-Ing. 4450 Lingen Rosen Pig for continuous measurement and recording of the internal geometry of a pipeline
FR2610100A1 (en) * 1987-01-23 1988-07-29 Syminex Systemes Expl Minerale Method and devices for determining the deformations and path of a pipe

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109141711A (en) * 2018-07-09 2019-01-04 中国石油大学(华东) Chain wheel set drive-type pipe cleaner bend pipe pulls experimental provision and experimental method
CN109141711B (en) * 2018-07-09 2020-05-12 中国石油大学(华东) Chain wheel set driving type pipe cleaner bent pipe traction experimental device and experimental method

Also Published As

Publication number Publication date
WO1996013699A2 (en) 1996-05-09
AU4362796A (en) 1996-05-23

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