Multi-frequency multi-dimensional nuclear magnetic logging method and device
The embodiment of the invention discloses a multi-frequency multi-dimensional nuclear magnetic logging method and device. The method comprises the steps of employing a plurality of different frequencies for working when an underground nuclear magnetic logging instrument works, wherein the plurality...
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| creator | CHEN XIANGXIN ZHANG JIAWEI JIANG ZHIMIN ZHANG XIANGLIN LI XIANZHI DANG YUPU XUE ZHIBO |
| description | The embodiment of the invention discloses a multi-frequency multi-dimensional nuclear magnetic logging method and device. The method comprises the steps of employing a plurality of different frequencies for working when an underground nuclear magnetic logging instrument works, wherein the plurality of different frequencies are different frequencies of which the frequency number is greater than two; respectively acquiring echoes corresponding to a plurality of different frequencies in a plurality of different acquisition time periods; collecting echoes corresponding to one frequency in one collection time period; when the echoes corresponding to any one frequency are collected, enabling the frequencies except the current echo collection frequency in the multiple different frequencies to bein a polarization waiting state; and calculating a predetermined spectrogram according to the acquired echoes of the plurality of frequencies, wherein the predetermined spectrogram comprises one or more of the following spect |
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The method comprises the steps of employing a plurality of different frequencies for working when an underground nuclear magnetic logging instrument works, wherein the plurality of different frequencies are different frequencies of which the frequency number is greater than two; respectively acquiring echoes corresponding to a plurality of different frequencies in a plurality of different acquisition time periods; collecting echoes corresponding to one frequency in one collection time period; when the echoes corresponding to any one frequency are collected, enabling the frequencies except the current echo collection frequency in the multiple different frequencies to bein a polarization waiting state; and calculating a predetermined spectrogram according to the acquired echoes of the plurality of frequencies, wherein the predetermined spectrogram comprises one or more of the following spect</description><language>chi ; eng</language><subject>DETECTING MASSES OR OBJECTS ; EARTH DRILLING ; EARTH DRILLING, e.g. DEEP DRILLING ; FIXED CONSTRUCTIONS ; GEOPHYSICS ; GRAVITATIONAL MEASUREMENTS ; MEASURING ; MINING ; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS ; PHYSICS ; TESTING</subject><creationdate>2020</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20201124&DB=EPODOC&CC=CN&NR=111980663A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76294</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20201124&DB=EPODOC&CC=CN&NR=111980663A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>CHEN XIANGXIN</creatorcontrib><creatorcontrib>ZHANG JIAWEI</creatorcontrib><creatorcontrib>JIANG ZHIMIN</creatorcontrib><creatorcontrib>ZHANG XIANGLIN</creatorcontrib><creatorcontrib>LI XIANZHI</creatorcontrib><creatorcontrib>DANG YUPU</creatorcontrib><creatorcontrib>XUE ZHIBO</creatorcontrib><title>Multi-frequency multi-dimensional nuclear magnetic logging method and device</title><description>The embodiment of the invention discloses a multi-frequency multi-dimensional nuclear magnetic logging method and device. 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The method comprises the steps of employing a plurality of different frequencies for working when an underground nuclear magnetic logging instrument works, wherein the plurality of different frequencies are different frequencies of which the frequency number is greater than two; respectively acquiring echoes corresponding to a plurality of different frequencies in a plurality of different acquisition time periods; collecting echoes corresponding to one frequency in one collection time period; when the echoes corresponding to any one frequency are collected, enabling the frequencies except the current echo collection frequency in the multiple different frequencies to bein a polarization waiting state; and calculating a predetermined spectrogram according to the acquired echoes of the plurality of frequencies, wherein the predetermined spectrogram comprises one or more of the following spect</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | DETECTING MASSES OR OBJECTS EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS GEOPHYSICS GRAVITATIONAL MEASUREMENTS MEASURING MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PHYSICS TESTING |
| title | Multi-frequency multi-dimensional nuclear magnetic logging method and device |
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