GB0318011D0 - Underground object locator - Google Patents

Underground object locator

Info

Publication number
GB0318011D0
GB0318011D0 GBGB0318011.4A GB0318011A GB0318011D0 GB 0318011 D0 GB0318011 D0 GB 0318011D0 GB 0318011 A GB0318011 A GB 0318011A GB 0318011 D0 GB0318011 D0 GB 0318011D0
Authority
GB
United Kingdom
Prior art keywords
object locator
underground object
underground
locator
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.)
Granted
Application number
GBGB0318011.4A
Other versions
GB2404394B (en
GB2404394A (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.)
Radiodetection Ltd
Original Assignee
Radiodetection 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 Radiodetection Ltd filed Critical Radiodetection Ltd
Priority to GB0318011A priority Critical patent/GB2404394B/en
Priority to GB0616883A priority patent/GB2428716B/en
Publication of GB0318011D0 publication Critical patent/GB0318011D0/en
Publication of GB2404394A publication Critical patent/GB2404394A/en
Application granted granted Critical
Publication of GB2404394B publication Critical patent/GB2404394B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • E21B47/122—
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00—Survey of boreholes or wells
    • E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
    • E21B47/13—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling by electromagnetic energy, e.g. radio frequency
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V11/00—Prospecting or detecting by methods combining techniques covered by two or more of main groups G01V1/00 - G01V9/00
    • G01V11/002—Details, e.g. power supply systems for logging instruments, transmitting or recording data, specially adapted for well logging, also if the prospecting method is irrelevant
    • 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
    • G01V3/18—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging
    • G01V3/30—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging operating with electromagnetic waves
    • 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
    • G01V3/18—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging
    • G01V3/34—Transmitting data to recording or processing apparatus; Recording data
GB0318011A 2003-07-31 2003-07-31 Underground object locator Expired - Lifetime GB2404394B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB0318011A GB2404394B (en) 2003-07-31 2003-07-31 Underground object locator
GB0616883A GB2428716B (en) 2003-07-31 2003-07-31 Underground object locator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0318011A GB2404394B (en) 2003-07-31 2003-07-31 Underground object locator

Publications (3)

Publication Number Publication Date
GB0318011D0 true GB0318011D0 (en) 2003-09-03
GB2404394A GB2404394A (en) 2005-02-02
GB2404394B GB2404394B (en) 2007-01-10

Family

ID=27799600

Family Applications (2)

Application Number Title Priority Date Filing Date
GB0318011A Expired - Lifetime GB2404394B (en) 2003-07-31 2003-07-31 Underground object locator
GB0616883A Expired - Lifetime GB2428716B (en) 2003-07-31 2003-07-31 Underground object locator

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB0616883A Expired - Lifetime GB2428716B (en) 2003-07-31 2003-07-31 Underground object locator

Country Status (1)

Country Link
GB (2) GB2404394B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7053789B2 (en) * 2003-07-31 2006-05-30 Radiodetection Limited Underground object locator
CN103510949B (en) * 2013-08-30 2017-02-08 中国石油天然气集团公司 Directional drill hole profile measurement and detection system and method

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2009930B (en) * 1977-11-15 1982-08-25 Woodness C Oil well blow-out detectors
US5515039A (en) * 1994-07-19 1996-05-07 Panex Corporation Surface/downhole pressure recording system
GB9904010D0 (en) * 1999-02-22 1999-04-14 Radiodetection Ltd Controlling an underground object
US7119711B2 (en) * 2003-07-31 2006-10-10 Richard William Fling Communicating with an underground object
GB2404393B (en) * 2003-07-31 2006-04-26 Radiodetection Ltd Communicating with an underground object
US7053789B2 (en) * 2003-07-31 2006-05-30 Radiodetection Limited Underground object locator

Also Published As

Publication number Publication date
GB0616883D0 (en) 2006-10-04
GB2428716B (en) 2007-06-20
GB2404394B (en) 2007-01-10
GB2404394A (en) 2005-02-02
GB2428716A (en) 2007-02-07

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20230730