GB8707936D0 - Locator - Google Patents

Locator

Info

Publication number
GB8707936D0
GB8707936D0 GB878707936A GB8707936A GB8707936D0 GB 8707936 D0 GB8707936 D0 GB 8707936D0 GB 878707936 A GB878707936 A GB 878707936A GB 8707936 A GB8707936 A GB 8707936A GB 8707936 D0 GB8707936 D0 GB 8707936D0
Authority
GB
United Kingdom
Prior art keywords
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.)
Pending
Application number
GB878707936A
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.)
HOLLOWAY EQUIPMENT SALES Ltd
Original Assignee
HOLLOWAY EQUIPMENT SALES 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 HOLLOWAY EQUIPMENT SALES Ltd filed Critical HOLLOWAY EQUIPMENT SALES Ltd
Priority to GB878707936A priority Critical patent/GB8707936D0/en
Publication of GB8707936D0 publication Critical patent/GB8707936D0/en
Priority to GB8727218A priority patent/GB2214539B/en
Priority to DE8804347U priority patent/DE8804347U1/de
Priority to FR888804643A priority patent/FR2613416B3/en
Priority to US07/176,935 priority patent/US4854398A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/26—Drilling without earth removal, e.g. with self-propelled burrowing devices
    • E21B7/267—Drilling devices with senders, e.g. radio-transmitters for position of drilling tool
    • 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
    • E21B47/02—Determining slope or direction
    • E21B47/022—Determining slope or direction of the borehole, e.g. using geomagnetism
    • E21B47/0228—Determining slope or direction of the borehole, e.g. using geomagnetism using electromagnetic energy or detectors therefor
    • E21B47/0232—Determining slope or direction of the borehole, e.g. using geomagnetism using electromagnetic energy or detectors therefor at least one of the energy sources or one of the detectors being located on or above the ground surface
    • 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
    • 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/04—Directional drilling
GB878707936A 1987-03-02 1987-04-02 Locator Pending GB8707936D0 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB878707936A GB8707936D0 (en) 1987-04-02 1987-04-02 Locator
GB8727218A GB2214539B (en) 1987-04-02 1987-11-20 Locating device for soil displacement hammers
DE8804347U DE8804347U1 (en) 1987-04-02 1988-03-31
FR888804643A FR2613416B3 (en) 1987-04-02 1988-04-01 LOCATION DEVICE FOR PUNCHING HAMMERS
US07/176,935 US4854398A (en) 1987-03-02 1988-04-04 Locating devices for soil displacement hammers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB878707936A GB8707936D0 (en) 1987-04-02 1987-04-02 Locator

Publications (1)

Publication Number Publication Date
GB8707936D0 true GB8707936D0 (en) 1987-05-07

Family

ID=10615147

Family Applications (2)

Application Number Title Priority Date Filing Date
GB878707936A Pending GB8707936D0 (en) 1987-03-02 1987-04-02 Locator
GB8727218A Expired - Fee Related GB2214539B (en) 1987-03-02 1987-11-20 Locating device for soil displacement hammers

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB8727218A Expired - Fee Related GB2214539B (en) 1987-03-02 1987-11-20 Locating device for soil displacement hammers

Country Status (1)

Country Link
GB (2) GB8707936D0 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4438934C1 (en) * 1994-10-31 1995-11-16 Tracto Technik Location device for ram boring appts.

Also Published As

Publication number Publication date
GB2214539B (en) 1990-04-11
GB8727218D0 (en) 1987-12-23
GB2214539A (en) 1989-09-06

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