NO744403L - - Google Patents

Info

Publication number
NO744403L
NO744403L NO744403A NO744403A NO744403L NO 744403 L NO744403 L NO 744403L NO 744403 A NO744403 A NO 744403A NO 744403 A NO744403 A NO 744403A NO 744403 L NO744403 L NO 744403L
Authority
NO
Norway
Prior art keywords
neutrons
energy content
lower energy
borehole
function
Prior art date
Application number
NO744403A
Other languages
English (en)
Norwegian (no)
Inventor
H J Paap
Jr R W Pitts
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 NO744403L publication Critical patent/NO744403L/no

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V5/00Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
    • G01V5/04Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity specially adapted for well-logging
    • G01V5/08Prospecting 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
    • G01V5/10Prospecting 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
    • G01V5/104Prospecting 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 secondary Y-rays as well as reflected or back-scattered neutrons
    • G01V5/105Prospecting 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 secondary Y-rays as well as reflected or back-scattered neutrons the neutron source being of the pulsed type
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B49/00Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V5/00Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
    • G01V5/04Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity specially adapted for well-logging
    • G01V5/08Prospecting 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
    • G01V5/10Prospecting 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
    • G01V5/101Prospecting 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
    • G01V5/102Prospecting 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V5/00Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
    • G01V5/04Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity specially adapted for well-logging
    • G01V5/08Prospecting 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
    • G01V5/10Prospecting 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
    • G01V5/104Prospecting 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 secondary Y-rays as well as reflected or back-scattered neutrons

Landscapes

  • Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
NO744403A 1973-12-17 1974-12-05 NO744403L (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US425367A US3914603A (en) 1973-12-17 1973-12-17 Neutron lifetime well logging methods and apparatus

Publications (1)

Publication Number Publication Date
NO744403L true NO744403L (es) 1975-07-14

Family

ID=23686247

Family Applications (1)

Application Number Title Priority Date Filing Date
NO744403A NO744403L (es) 1973-12-17 1974-12-05

Country Status (16)

Country Link
US (1) US3914603A (es)
JP (1) JPS6156472B2 (es)
AR (1) AR214278A1 (es)
BR (1) BR7410483D0 (es)
CA (1) CA1009381A (es)
DE (1) DE2459303A1 (es)
DK (1) DK654174A (es)
ES (1) ES432642A1 (es)
FR (1) FR2254798A1 (es)
GB (1) GB1476676A (es)
IE (1) IE40545B1 (es)
IT (1) IT1030912B (es)
MY (1) MY7800194A (es)
NL (1) NL7415506A (es)
NO (1) NO744403L (es)
ZA (1) ZA747420B (es)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3979300A (en) * 1974-07-17 1976-09-07 Texaco Inc. Three frequency modulated combination thermal neutron lifetime log and porosity
US4021666A (en) * 1975-08-18 1977-05-03 Mobil Oil Corporation Neutron-neutron logging for both porosity and macroscopic absorption cross section
US4028546A (en) * 1975-11-03 1977-06-07 Texaco Inc. Behind well casing water flow detection system
US4264812A (en) * 1979-11-14 1981-04-28 Dresser Industries, Inc. Method for determining the absorption cross section of small fluid samples
JPS63315978A (ja) * 1987-06-19 1988-12-23 Nippon Koei Kk 地盤探査装置
JPH0291882U (es) * 1988-12-28 1990-07-20
WO1998014499A1 (fr) 1996-09-30 1998-04-09 Nippon Zeon Co., Ltd. Polymere de norbornene et son procede de preparation
CN100497885C (zh) * 2006-05-24 2009-06-10 中国石化集团胜利石油管理局钻井工艺研究院 随钻氘-氘可控补偿中子测井仪
EP2361394B1 (en) 2008-11-24 2022-01-12 Halliburton Energy Services, Inc. A high frequency dielectric measurement tool
CN101672179B (zh) * 2009-08-05 2013-12-11 阜新驰宇石油机械有限公司 边注边测边调智能同步测调方法
CN106405668B (zh) * 2016-08-30 2019-06-14 西安奥华电子仪器股份有限公司 一种用于地层参数测量的中子爆发及测量时序控制方法
GB2589780B (en) * 2018-07-05 2022-09-28 Schlumberger Technology Bv Drilling fluid activation correction via neutron generator modulation
US11970931B2 (en) * 2021-06-01 2024-04-30 Halliburton Energy Services, Inc. Through tubing cement evaluation using borehole resonance mode
US12032113B2 (en) * 2022-01-03 2024-07-09 Halliburton Energy Services, Inc. Through tubing cement evaluation based on rotatable transmitter and computational rotated responses

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3389257A (en) * 1964-09-15 1968-06-18 Mobil Oil Corp Pulsed neutron source comprising a plurality of alpha sources and associated targetswith a rotatable shutter therebetween
US3691378A (en) * 1970-06-26 1972-09-12 Dresser Ind Simultaneous pulsed neutron well logging
US3751668A (en) * 1970-10-28 1973-08-07 Monsanto Res Corp Concentric cylinder assembly for producing pulsed neutrons
US3800150A (en) * 1972-05-09 1974-03-26 Mobil Oil Corp Method and apparatus for radioactive well logging employing partially overlapping time windows for detection of radiation

Also Published As

Publication number Publication date
IT1030912B (it) 1979-04-10
IE40545B1 (en) 1979-06-20
IE40545L (en) 1975-06-17
JPS6156472B2 (es) 1986-12-02
JPS5093201A (es) 1975-07-25
ES432642A1 (es) 1976-11-16
US3914603A (en) 1975-10-21
NL7415506A (nl) 1975-06-19
FR2254798A1 (es) 1975-07-11
CA1009381A (en) 1977-04-26
BR7410483D0 (pt) 1975-09-16
DK654174A (es) 1975-09-01
AR214278A1 (es) 1979-05-31
ZA747420B (en) 1976-03-31
DE2459303A1 (de) 1975-06-19
AU7562274A (en) 1976-05-27
GB1476676A (en) 1977-06-16
MY7800194A (en) 1978-12-31

Similar Documents

Publication Publication Date Title
NO744403L (es)
US4122339A (en) Earth formation pulsed neutron porosity logging system utilizing epithermal neutron and inelastic scattering gamma ray detectors
US3691378A (en) Simultaneous pulsed neutron well logging
US4122340A (en) Pulsed neutron porosity logging system
US3379884A (en) Method and apparatus for neutron lifetime well logging
US4071757A (en) Detection of behind casing water flow at an angle to the axis of a well borehole
SU659108A3 (ru) Устройство дл определени состава грунта
NO750126L (es)
US4232220A (en) Background subtraction system for pulsed neutron logging of earth boreholes
US4388529A (en) System for simultaneous measurement of borehole and formation neutron lifetimes
US3662173A (en) Well logging method for determining the presence of aluminum and magnesium
US3833809A (en) Neutron logging of formation porosity and chlorinity
US3127512A (en) Neutron-gamma geophysical prospecting method and apparatus
US4743755A (en) Method and apparatus for measuring azimuth and speed of horizontal fluid flow by a borehole
US3979300A (en) Three frequency modulated combination thermal neutron lifetime log and porosity
US3288996A (en) Compound scintillation detector for simultaneous detection of thermal and epithermal neutrons
US3973131A (en) Pulsed neutron logging: multipurpose logging sonde for changing types of logs in the borehole without bringing the sonde to the surface
GB2077427A (en) Neutron capture in borehole logging
KR790000824B1 (ko) 시굴공(試掘孔)에 의한 지층(地層)의 조사방법
US2958780A (en) Methods and apparatus for investigating earth formations
US3930152A (en) System for measuring earth formation thermal neutron lifetime utilizing a harmonically intensity modulated fast neutron source
CA1095187A (en) Pulsed neutron porosity logging method and apparatus using dual detectors
CA1162659A (en) Method for simultaneous measurement of borehole and formation neutron lifetimes employing iterative fitting
US3885154A (en) Method and apparatus for reducing background in inelastic gamma ray logging systems
NO147009B (no) Fremgangsmaate og apparat for bestemmelse av en jordformasjons poroesitet i naerheten av et foret broennborehull