GB9216964D0 - Underground location - Google Patents

Underground location

Info

Publication number
GB9216964D0
GB9216964D0 GB929216964A GB9216964A GB9216964D0 GB 9216964 D0 GB9216964 D0 GB 9216964D0 GB 929216964 A GB929216964 A GB 929216964A GB 9216964 A GB9216964 A GB 9216964A GB 9216964 D0 GB9216964 D0 GB 9216964D0
Authority
GB
United Kingdom
Prior art keywords
underground location
underground
location
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
GB929216964A
Other versions
GB2271425A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AKIZ Ltd
Original Assignee
AKIZ Ltd
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 AKIZ Ltd filed Critical AKIZ Ltd
Priority to GB9216964A priority Critical patent/GB2271425A/en
Publication of GB9216964D0 publication Critical patent/GB9216964D0/en
Priority to AU47237/93A priority patent/AU4723793A/en
Priority to PCT/GB1993/001686 priority patent/WO1994004947A1/en
Publication of GB2271425A publication Critical patent/GB2271425A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
    • G01V3/081—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices the magnetic field is produced by the objects or geological structures
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V15/00—Tags attached to, or associated with, an object, in order to enable detection of the object

Landscapes

  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Electromagnetism (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • Geophysics And Detection Of Objects (AREA)
GB9216964A 1992-08-11 1992-08-11 Locating a device underground Withdrawn GB2271425A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB9216964A GB2271425A (en) 1992-08-11 1992-08-11 Locating a device underground
AU47237/93A AU4723793A (en) 1992-08-11 1993-08-09 Locator for underground pipe
PCT/GB1993/001686 WO1994004947A1 (en) 1992-08-11 1993-08-09 Locator for underground pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9216964A GB2271425A (en) 1992-08-11 1992-08-11 Locating a device underground

Publications (2)

Publication Number Publication Date
GB9216964D0 true GB9216964D0 (en) 1992-09-23
GB2271425A GB2271425A (en) 1994-04-13

Family

ID=10720123

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9216964A Withdrawn GB2271425A (en) 1992-08-11 1992-08-11 Locating a device underground

Country Status (3)

Country Link
AU (1) AU4723793A (en)
GB (1) GB2271425A (en)
WO (1) WO1994004947A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9806913D0 (en) * 1998-03-31 1998-05-27 Aw Creative Technologies Ltd Underground location system
US8729901B2 (en) 2009-07-06 2014-05-20 Merlin Technology, Inc. Measurement device and associated method for use in frequency selection for inground transmission
US10378338B2 (en) 2017-06-28 2019-08-13 Merlin Technology, Inc. Advanced passive interference management in directional drilling system, apparatus and methods

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4727329A (en) * 1986-02-19 1988-02-23 Atlantic Richfield Company Method and system for measuring displacement of buried fluid transmission pipelines
US4806869A (en) * 1986-05-22 1989-02-21 Flow Industries, Inc. An above-ground arrangement for and method of locating a discrete in ground boring device
GB8815313D0 (en) * 1988-06-28 1988-08-03 Radiodetection Ltd Improvements relating to underground pipe location

Also Published As

Publication number Publication date
WO1994004947A1 (en) 1994-03-03
GB2271425A (en) 1994-04-13
AU4723793A (en) 1994-03-15

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)