MULTI-BEAM PHASED ARRAY ACOUSTIC TRANSDUCER OPERATION FOR DOWNHOLE APPLICATIONS
An apparatus for imaging a borehole wall includes an array of acoustic transducers and a controller. The controller scans a section of the borehole wall with first acoustic beams that are transmitted by a series of sets of acoustic transducers in the array to produce adjacent first acoustic measurem...
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| creator | STEINSIEK, Roger, R SULE, Vaibhav LEGGETT, James, V CHATTERJEE, Kamalesh ZHAO, Jinsong |
| description | An apparatus for imaging a borehole wall includes an array of acoustic transducers and a controller. The controller scans a section of the borehole wall with first acoustic beams that are transmitted by a series of sets of acoustic transducers in the array to produce adjacent first acoustic measurements that are spaced a first distance D1 apart along the borehole wall, each set having at least one transducer that is different from an adjacent set, (ii) steers a second acoustic beam along the section of the borehole wall using one set of acoustic transducers in the array to produce adjacent second acoustic measurements that are a second distance D2 apart along the borehole wall, and (iii) images the borehole wall using the first acoustic measurements and the second acoustic measurement to generate a borehole wall image, wherein at least one second acoustic measurement is between adjacent first acoustic measurements. |
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The controller scans a section of the borehole wall with first acoustic beams that are transmitted by a series of sets of acoustic transducers in the array to produce adjacent first acoustic measurements that are spaced a first distance D1 apart along the borehole wall, each set having at least one transducer that is different from an adjacent set, (ii) steers a second acoustic beam along the section of the borehole wall using one set of acoustic transducers in the array to produce adjacent second acoustic measurements that are a second distance D2 apart along the borehole wall, and (iii) images the borehole wall using the first acoustic measurements and the second acoustic measurement to generate a borehole wall image, wherein at least one second acoustic measurement is between adjacent first acoustic measurements.</description><language>eng ; fre ; ger</language><subject>ACOUSTICS ; ACOUSTICS NOT OTHERWISE PROVIDED FOR ; ANALOGOUS ARRANGEMENTS USING OTHER WAVES ; DETECTING MASSES OR OBJECTS ; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES ; EARTH DRILLING ; EARTH DRILLING, e.g. DEEP DRILLING ; FIXED CONSTRUCTIONS ; GEOPHYSICS ; GRAVITATIONAL MEASUREMENTS ; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES ; MEASURING ; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL ; MINING ; MUSICAL INSTRUMENTS ; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS ; PHYSICS ; RADIO DIRECTION-FINDING ; RADIO NAVIGATION ; SOUND-PRODUCING DEVICES ; TESTING</subject><creationdate>2018</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=20180829&DB=EPODOC&CC=EP&NR=3230558A4$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20180829&DB=EPODOC&CC=EP&NR=3230558A4$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>STEINSIEK, Roger, R</creatorcontrib><creatorcontrib>SULE, Vaibhav</creatorcontrib><creatorcontrib>LEGGETT, James, V</creatorcontrib><creatorcontrib>CHATTERJEE, Kamalesh</creatorcontrib><creatorcontrib>ZHAO, Jinsong</creatorcontrib><title>MULTI-BEAM PHASED ARRAY ACOUSTIC TRANSDUCER OPERATION FOR DOWNHOLE APPLICATIONS</title><description>An apparatus for imaging a borehole wall includes an array of acoustic transducers and a controller. 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The controller scans a section of the borehole wall with first acoustic beams that are transmitted by a series of sets of acoustic transducers in the array to produce adjacent first acoustic measurements that are spaced a first distance D1 apart along the borehole wall, each set having at least one transducer that is different from an adjacent set, (ii) steers a second acoustic beam along the section of the borehole wall using one set of acoustic transducers in the array to produce adjacent second acoustic measurements that are a second distance D2 apart along the borehole wall, and (iii) images the borehole wall using the first acoustic measurements and the second acoustic measurement to generate a borehole wall image, wherein at least one second acoustic measurement is between adjacent first acoustic measurements.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
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| subjects | ACOUSTICS ACOUSTICS NOT OTHERWISE PROVIDED FOR ANALOGOUS ARRANGEMENTS USING OTHER WAVES DETECTING MASSES OR OBJECTS DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS GEOPHYSICS GRAVITATIONAL MEASUREMENTS LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL MINING MUSICAL INSTRUMENTS OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION SOUND-PRODUCING DEVICES TESTING |
| title | MULTI-BEAM PHASED ARRAY ACOUSTIC TRANSDUCER OPERATION FOR DOWNHOLE APPLICATIONS |
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