Class information for:
Level 1: ACOUSTIC LOGGING//COSL UPC ALLIED BOREHOLE ACOUST//GEOPHYSICS

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
16529 649 19.3 41%


Bar chart of Publication_year

Last years might be incomplete

Hierarchy of classes
The table includes all classes above and classes immediately below the current class.


Cluster id Level Cluster label #P
16 4 ENGINEERING, CIVIL//CONSTRUCTION & BUILDING TECHNOLOGY//MECHANICS 627508
353 3       GEOPHYSICS//GEOPHYSICAL PROSPECTING//GEOCHEMISTRY & GEOPHYSICS 35074
494 2             GEOPHYSICS//GEOPHYSICAL PROSPECTING//GEOCHEMISTRY & GEOPHYSICS 15397
16529 1                   ACOUSTIC LOGGING//COSL UPC ALLIED BOREHOLE ACOUST//GEOPHYSICS 649

Terms with highest relevance score


rank Term termType Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 ACOUSTIC LOGGING authKW 503581 3% 63% 17
2 COSL UPC ALLIED BOREHOLE ACOUST address 329340 1% 100% 7
3 GEOPHYSICS journal 249107 31% 3% 198
4 ACOUSTIC LOGGING WHILE DRILLING authKW 241962 1% 86% 6
5 ACOUST MICROWAVE PHYS address 230534 1% 70% 7
6 MULTIPOLE SOURCE authKW 211716 1% 75% 6
7 ACOUSTIC LWD authKW 188194 1% 100% 4
8 COLLAR WAVE authKW 188194 1% 100% 4
9 PHASED ARC ARRAY authKW 188194 1% 100% 4
10 3D FINITE DIFFERENCE authKW 150554 1% 80% 4

Web of Science journal categories


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 Geochemistry & Geophysics 28072 57% 0% 373
2 Audiology & Speech-Language Pathology 3990 10% 0% 67
3 Engineering, Petroleum 3872 8% 0% 51
4 Acoustics 3620 14% 0% 93
5 Geosciences, Multidisciplinary 933 15% 0% 96
6 Energy & Fuels 224 7% 0% 44
7 Mining & Mineral Processing 224 2% 0% 13
8 Engineering, Geological 56 1% 0% 8
9 Computer Science, Interdisciplinary Applications 46 3% 0% 19
10 Mathematics, Interdisciplinary Applications 18 2% 0% 11

Address terms


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 COSL UPC ALLIED BOREHOLE ACOUST 329340 1% 100% 7
2 ACOUST MICROWAVE PHYS 230534 1% 70% 7
3 INTEQ 94097 0% 100% 2
4 MODELING PHYS PROC ENVIRONM 94097 0% 100% 2
5 BEIJING EARTH PROSPECTING INFORMAT TECH 84685 0% 60% 3
6 EARTH PROSPECTING INFORMAT TECHNOL 83629 1% 22% 8
7 ASTRONAUT MECH 59906 2% 12% 11
8 ACOUST BOREHOLE SEISM SENSOR PHYS 47049 0% 100% 1
9 ACOUST SENSOR PHYS GRP 47049 0% 100% 1
10 AOGC 47049 0% 100% 1

Journals


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 GEOPHYSICS 249107 31% 3% 198
2 CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION 27162 8% 1% 52
3 GEOPHYSICAL PROSPECTING 21627 5% 1% 33
4 APPLIED GEOPHYSICS 11839 2% 2% 11
5 PETROPHYSICS 11347 1% 3% 8
6 JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA 9020 10% 0% 67
7 JOURNAL OF GEOPHYSICS AND ENGINEERING 6989 2% 1% 11
8 ACTA GEOPHYSICA SINICA 6951 1% 2% 7
9 NEFTYANOE KHOZYAISTVO 5323 1% 2% 7
10 PETROLEUM SCIENCE 3611 1% 1% 7

Author Key Words


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class		 LCSH search Wikipedia search
1 ACOUSTIC LOGGING 503581 3% 63% 17 Search ACOUSTIC+LOGGING Search ACOUSTIC+LOGGING
2 ACOUSTIC LOGGING WHILE DRILLING 241962 1% 86% 6 Search ACOUSTIC+LOGGING+WHILE+DRILLING Search ACOUSTIC+LOGGING+WHILE+DRILLING
3 MULTIPOLE SOURCE 211716 1% 75% 6 Search MULTIPOLE+SOURCE Search MULTIPOLE+SOURCE
4 ACOUSTIC LWD 188194 1% 100% 4 Search ACOUSTIC+LWD Search ACOUSTIC+LWD
5 COLLAR WAVE 188194 1% 100% 4 Search COLLAR+WAVE Search COLLAR+WAVE
6 PHASED ARC ARRAY 188194 1% 100% 4 Search PHASED+ARC+ARRAY Search PHASED+ARC+ARRAY
7 3D FINITE DIFFERENCE 150554 1% 80% 4 Search 3D+FINITE+DIFFERENCE Search 3D+FINITE+DIFFERENCE
8 CASED BOREHOLE 150554 1% 80% 4 Search CASED+BOREHOLE Search CASED+BOREHOLE
9 ACOUSTIC REFLECTION LOGGING 141146 0% 100% 3 Search ACOUSTIC+REFLECTION+LOGGING Search ACOUSTIC+REFLECTION+LOGGING
10 ACOUSTIC WELL LOGGING 125460 1% 67% 4 Search ACOUSTIC+WELL+LOGGING Search ACOUSTIC+WELL+LOGGING

Core articles
The table includes core articles in the class. The following variables is taken into account for the relevance score of an article in a cluster c:
(1) Number of references referring to publications in the class.
(2) Share of total number of active references referring to publications in the class.
(3) Age of the article. New articles get higher score than old articles.
(4) Citation rate, normalized to year.


Rank Reference # ref.
in cl.		 Shr. of ref. in
cl.		 Citations
1 IONOV, AM , (2013) THE DYNAMIC RESPONSE OF A FLUID-FILLED BOREHOLE UNDER A NORMAL POINT LOAD ON THE FREE SURFACE.GEOPHYSICAL PROSPECTING. VOL. 61. ISSUE 1. P. 104-119 21 91% 0
2 ZHANG, XM , WANG, XM , ZHANG, HL , (2016) LEAKY MODES AND THE FIRST ARRIVALS IN CASED BOREHOLES WITH POORLY BONDED CONDITIONS.SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY. VOL. 59. ISSUE 2. P. - 16 100% 0
3 TADEU, AJB , SANTOS, PFA , (2001) 3-D WAVE PROPAGATION IN FLUID-FILLED IRREGULAR BOREHOLES IN ELASTIC FORMATIONS.SOIL DYNAMICS AND EARTHQUAKE ENGINEERING. VOL. 21. ISSUE 6. P. 499-517 25 89% 15
4 HE, X , HU, HS , GUAN, W , (2010) FAST AND SLOW FLEXURAL WAVES IN A DEVIATED BOREHOLE IN HOMOGENEOUS AND LAYERED ANISOTROPIC FORMATIONS.GEOPHYSICAL JOURNAL INTERNATIONAL. VOL. 181. ISSUE 1. P. 417 -426 21 81% 10
5 WANG, Z , HU, HS , YANG, YF , (2015) RECIPROCITY RELATIONS FOR THE ELASTODYNAMIC FIELDS GENERATED BY MULTIPOLE SOURCES IN A FLUID-SOLID CONFIGURATION.GEOPHYSICAL JOURNAL INTERNATIONAL. VOL. 203. ISSUE 2. P. 883 -892 22 69% 0
6 GODINHO, L , TADEU, A , (2002) THE IMPORTANCE OF A SMALL WALL DEFORMATION IN THE THREE-DIMENSIONAL ACOUSTIC LOGGING RESULTS.GEOPHYSICAL JOURNAL INTERNATIONAL. VOL. 151. ISSUE 2. P. 403-415 27 77% 2
7 HE, X , HU, HS , WANG, XM , (2013) FINITE DIFFERENCE MODELLING OF DIPOLE ACOUSTIC LOGS IN A POROELASTIC FORMATION WITH ANISOTROPIC PERMEABILITY.GEOPHYSICAL JOURNAL INTERNATIONAL. VOL. 192. ISSUE 1. P. 359-374 21 72% 2
8 LIU, L , LIN, WJ , ZHANG, HL , WANG, XM , (2015) A NUMERICAL INVESTIGATION OF THE ACOUSTIC MODE WAVES IN A DEVIATED BOREHOLE PENETRATING A TRANSVERSELY ISOTROPIC FORMATION.SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY. VOL. 58. ISSUE 8. P. - 17 81% 2
9 YANG, JQ , SINHA, BK , HABASHY, TM , (2012) A THEORETICAL STUDY ON FORMATION SHEAR RADIAL PROFILING IN WELL-BONDED CASED BOREHOLES USING SONIC DISPERSION DATA BASED ON A PARAMETERIZED PERTURBATION MODEL.GEOPHYSICS. VOL. 77. ISSUE 3. P. WA197 -WA210 15 100% 4
10 CHE, XH , QIAO, WX , WANG, RJ , ZHAO, YH , (2014) NUMERICAL SIMULATION OF AN ACOUSTIC FIELD GENERATED BY A PHASED ARC ARRAY IN A FLUID-FILLED CASED BOREHOLE.PETROLEUM SCIENCE. VOL. 11. ISSUE 3. P. 385 -390 18 78% 3

Classes with closest relation at Level 1


Rank Class id link
1 21353 INVERSE Q FILTERING//Q ESTIMATION//GAIN LIMIT
2 4628 ROCK PHYSICS//GEOPHYSICS//BISQ MODEL
3 27529 SEISMIC WHILE DRILLING//BOHAI DRILLING ENGN CO LTD//MUD PULSE TELEMETRY
4 2236 GEOPHYSICS//SHEAR WAVE SPLITTING//EDINBURGH ANISOTROPY PROJECT
5 27124 MTA ME PL GEOSCI GRP//COMBINED GEOELECTRIC INVERSION//FACTOR LOG
6 10829 SELF POTENTIAL//SELF POTENTIAL ANOMALY//SP INTERPRETATION
7 30841 ELASTIC RODS LOADED WITH FLUID//GENERALIZED THERMO ELASTIC PLATE//VIBRATION OF THERMAL PLATE
8 29983 PERFECT INCOMPRESSIBLE FLUID//PERFECT INCOMPRESSIBLE LIQUID//INTERNATIONAL APPLIED MECHANICS
9 34357 AICHI WORKS TAKETOYO PLANT//FIXED LENGTH TRANSMISSION LINE//MONOPOLE ULTRASONIC PULSE
10 36219 ZEITSCHRIFT FUR SEMIOTIK//151 WELLINGTON RD//CATEGORIAL STRUCTURE

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