NO137520C - Fremgangsmaate til undersoekelse av jordformasjoner som omgir borehull ved hjelp av radioaktivitet - Google Patents

Fremgangsmaate til undersoekelse av jordformasjoner som omgir borehull ved hjelp av radioaktivitet

Info

Publication number
NO137520C
NO137520C NO4845/71A NO484571A NO137520C NO 137520 C NO137520 C NO 137520C NO 4845/71 A NO4845/71 A NO 4845/71A NO 484571 A NO484571 A NO 484571A NO 137520 C NO137520 C NO 137520C
Authority
NO
Norway
Prior art keywords
procedure
earth formations
radio activity
boring holes
formations surrounding
Prior art date
Application number
NO4845/71A
Other languages
English (en)
Norwegian (no)
Other versions
NO137520B (no
Inventor
Dan Mccay Arnold
Robert William Pitts Jr
Original Assignee
Texaco Development Corp
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 Texaco Development Corp filed Critical Texaco Development Corp
Publication of NO137520B publication Critical patent/NO137520B/no
Publication of NO137520C publication Critical patent/NO137520C/no

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V5/00—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
    • G01V5/04—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity specially adapted for well-logging
    • G01V5/08—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity specially adapted for well-logging using primary nuclear radiation sources or X-rays
    • G01V5/10—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity specially adapted for well-logging using primary nuclear radiation sources or X-rays using neutron sources
    • G01V5/101—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity specially adapted for well-logging using primary nuclear radiation sources or X-rays using neutron sources and detecting the secondary Y-rays produced in the surrounding layers of the bore hole
    • G01V5/102—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity specially adapted for well-logging using primary nuclear radiation sources or X-rays using neutron sources and detecting the secondary Y-rays produced in the surrounding layers of the bore hole the neutron source being of the pulsed type
NO4845/71A 1970-12-30 1971-12-27 Fremgangsmaate til undersoekelse av jordformasjoner som omgir borehull ved hjelp av radioaktivitet NO137520C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10274370A 1970-12-30 1970-12-30

Publications (2)

Publication Number Publication Date
NO137520B NO137520B (no) 1977-11-28
NO137520C true NO137520C (no) 1978-03-08

Family

ID=22291472

Family Applications (1)

Application Number Title Priority Date Filing Date
NO4845/71A NO137520C (no) 1970-12-30 1971-12-27 Fremgangsmaate til undersoekelse av jordformasjoner som omgir borehull ved hjelp av radioaktivitet

Country Status (9)

Country Link
US (1) US3733486A (da)
AU (1) AU458054B2 (da)
DK (1) DK141889B (da)
FR (1) FR2187127A5 (da)
GB (1) GB1335777A (da)
IE (1) IE35942B1 (da)
MY (1) MY7400227A (da)
NL (1) NL7118009A (da)
NO (1) NO137520C (da)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3842264A (en) * 1970-12-30 1974-10-15 Texaco Inc Radiological well logging methods and apparatus for reducing the effect of activation from the detector crystal
GB1505446A (en) * 1975-11-03 1978-03-30 Texaco Development Corp Behind casing water flow detection
US4540883A (en) * 1982-09-13 1985-09-10 Dresser Industries, Inc. Background correction method and apparatus for pulsed neutron logging of earth boreholes
EP3779419A4 (en) * 2018-04-12 2021-06-09 Riken NON-DESTRUCTIVE INSPECTION PROCESS AND APPARATUS

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3566116A (en) * 1966-11-08 1971-02-23 Schlumberger Technology Corp Method and apparatus for measuring neutron characteristics of a material surrounding a well bore

Also Published As

Publication number Publication date
IE35942B1 (en) 1976-07-07
AU3749471A (en) 1973-07-05
MY7400227A (en) 1974-12-31
NL7118009A (da) 1972-07-04
FR2187127A5 (da) 1974-01-11
DK141889C (da) 1980-12-29
GB1335777A (en) 1973-10-31
AU458054B2 (en) 1975-02-20
DK141889B (da) 1980-07-07
NO137520B (no) 1977-11-28
IE35942L (en) 1972-06-30
US3733486A (en) 1973-05-15

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