{"metadata":{"page":1,"pages":5,"count":25,"totalCount":109},"payload":[{"logTypeId":1,"logType":"Acoustic televiewer","logCategoryId":1,"definition":"Data from borehole probe which emits ultrasonic pulses and records the amplitude and travel time of the reflected signals between the borehole fluid and wall.","reference":"https://www.usgs.gov/centers/new-york-water-science-center/science/borehole-geophysics"},{"logTypeId":2,"logType":"Acoustic velocity","logCategoryId":1,"definition":"Data from time-of-travel sensor which measures water velocities along an acoustic path.","reference":"https://pubs.usgs.gov/of/1996/0213/report.pdf"},{"logTypeId":3,"logType":"Acoustic waveform","logCategoryId":1,"definition":"Data from  borehole probe which emits pressure pulses and measures the full waveform of seismic waves propagating down the borehole.","reference":"https://pubs.er.usgs.gov/publication/ofr85419"},{"logTypeId":4,"logType":"Physical properties","logCategoryId":2,"definition":"Data from laboratory measurement and/or observation of physical specimens.","reference":"https://www.corrosionpedia.com/definition/2276/physical-properties"},{"logTypeId":5,"logType":"Chemical properties","logCategoryId":2,"definition":"Chemical concentrations and/or other chemistry data, usually taken in a processing laboratory from physical specimens.","reference":"https://pubs.usgs.gov/sir/2021/5059/sir20215059.pdf"},{"logTypeId":6,"logType":"Caliper","logCategoryId":3,"definition":"Data from tool that makes a continuous measurement of borehole diameter.","reference":"https://www.usgs.gov/centers/new-york-water-science-center/science/borehole-geophysics"},{"logTypeId":7,"logType":"Caliper, acoustic","logCategoryId":3,"definition":"Data from borehole diameter measuring tool that uses ultrasonic pulses.","reference":""},{"logTypeId":8,"logType":"Caliper, gamma","logCategoryId":3,"definition":"Data from instrument that measures gamma radiation emmited from the rocks surrounding the borehole.","reference":"https://www.usgs.gov/centers/new-york-water-science-center/science/borehole-geophysics"},{"logTypeId":9,"logType":"Caliper, gamma, borehole deviation","logCategoryId":3,"definition":"Data from instrument that measures gamma radiation emmited from the rocks surrounding the borehole, along with the departure angle of the borehole from vertical.","reference":"https://pubs.usgs.gov/sir/2016/5163/sir20165163.pdf"},{"logTypeId":10,"logType":"Caliper, gamma, spontaneous potential, single-point resistance","logCategoryId":3,"definition":"Data from instrument that measures gamma radiation emmited from the rocks surrounding the borehole, voltage between the borehole fluid and the surroundings, and electrical resistance from within the borehole to electrical ground at the surface.","reference":"https://www.usgs.gov/centers/new-york-water-science-center/science/borehole-geophysics"},{"logTypeId":11,"logType":"Caliper, multiple arm","logCategoryId":3,"definition":"Data from instrument that measures detailed interior profile of a borehole using several radial finger-like sensors.","reference":"https://homepages.see.leeds.ac.uk/~earpwjg/PG_EN/CD%20Contents/GGL-66565%20Petrophysics%20English/Chapter%209.PDF"},{"logTypeId":12,"logType":"Caliper, single arm","logCategoryId":3,"definition":"Data from instrument that measures diameter of a borehole using a single radial arm sensor.","reference":"https://homepages.see.leeds.ac.uk/~earpwjg/PG_EN/CD%20Contents/GGL-66565%20Petrophysics%20English/Chapter%209.PDF"},{"logTypeId":13,"logType":"Caliper, three arm","logCategoryId":3,"definition":"Data from instrument that measures diameter of a borehole, as well as volume, and identification of surrounding hardness, using three radial finger sensors.","reference":"https://homepages.see.leeds.ac.uk/~earpwjg/PG_EN/CD%20Contents/GGL-66565%20Petrophysics%20English/Chapter%209.PDF"},{"logTypeId":14,"logType":"Caliper and casing collar","logCategoryId":4,"definition":"Data from measuring caliper with a threaded collar for connecting two sections of borehole casing.","reference":"https://pubs.usgs.gov/of/1963/0061/report.pdf"},{"logTypeId":15,"logType":"Caliper, fluid resistivity, and temperature","logCategoryId":4,"definition":"Data from measuring caliper with sensors to record the electrical resistivity and temperature of water in the borehole.","reference":"https://www.usgs.gov/centers/new-york-water-science-center/science/borehole-geophysics"},{"logTypeId":16,"logType":"Caliper, gamma, single-point resistance, and temperature","logCategoryId":4,"definition":"Data from measuring caliper combined with gamma radiation, single-point resistance, and temperature sensors.","reference":"https://www.usgs.gov/centers/new-york-water-science-center/science/borehole-geophysics"},{"logTypeId":17,"logType":"Caliper, gamma, single-point resistance, temperature, and fluid resistivity","logCategoryId":4,"definition":"Data from measuring caliper combined with gamma radiation, single-point resistance, temperature, and resistivity sensors.","reference":"https://www.usgs.gov/centers/new-york-water-science-center/science/borehole-geophysics"},{"logTypeId":18,"logType":"Em flowmeter, fluid resistivity, and temperature","logCategoryId":4,"definition":"Data from sensor combination including an electromagnetic meter to record the direction and rate of vertical flow, resistivity, and temperature.","reference":"https://www.usgs.gov/centers/new-york-water-science-center/science/borehole-geophysics"},{"logTypeId":19,"logType":"Fluid resistivity and temperature","logCategoryId":4,"definition":"Data from sensor combination including fluid resistivity and temperature sensors.","reference":"https://www.usgs.gov/centers/new-york-water-science-center/science/borehole-geophysics"},{"logTypeId":20,"logType":"Gamma and em induction","logCategoryId":4,"definition":"Data from probe with sensors to measure gamma radiation and electrical conductivity and/or resistivity.","reference":"https://www.usgs.gov/centers/new-york-water-science-center/science/borehole-geophysics"},{"logTypeId":21,"logType":"Gamma and guard resistivity","logCategoryId":4,"definition":"Data from probe with sensors to measure gamma radiation and electrodes to focus current for measuring resistivity in saline fluids.","reference":"https://www.usgs.gov/centers/new-york-water-science-center/science/borehole-geophysics"},{"logTypeId":22,"logType":"Gamma and temperature","logCategoryId":4,"definition":"Data from instrument that measures gamma radiation and temperature within the borehole.","reference":"https://www.usgs.gov/centers/new-york-water-science-center/science/borehole-geophysics"},{"logTypeId":23,"logType":"Gamma, fluid resistivity, and temperature","logCategoryId":4,"definition":"Data from instrument that measures gamma radiation, fluid resistivity, and temperature within the borehole.","reference":"https://asct-1.itrcweb.org/4-borehole-geophysics/"},{"logTypeId":24,"logType":"Gamma, fluid resistivity, temperature, and single-point resistance","logCategoryId":4,"definition":"Data from instrument that measures gamma radiation, fluid resistivity, temperature, and single-point resistance within the borehole.","reference":"https://asct-1.itrcweb.org/4-borehole-geophysics/"},{"logTypeId":25,"logType":"Gamma, long/short normal resistivity, spontaneous potential, and single-point resistance","logCategoryId":4,"definition":"Data from probe with sensors to measure gamma radiation, electrical resistivity (using variably-spaced electrodes), voltage, and electrical resistance.","reference":"https://asct-1.itrcweb.org/4-borehole-geophysics/"}],"message":"","result":"Success"}