手法を比較

	坑井测井分析	層序相関
分野	地球科学	地球科学
系統	Process / pipeline	Process / pipeline
提唱年	1940s	1901
提唱者	Guyod and Barnhart	Albrecht Penck and Eduard Brückner
種類	subsurface characterization pipeline	stratigraphic analysis pipeline
原典	Asquith, G. B., & Gibson, C. R. (2004). Basic Well Log Analysis (2nd ed.). American Association of Petroleum Geologists.	Catuneanu, O. (2002). Sequence Stratigraphy of Clastic Systems. Geological Association of Canada.
別名	wireline logging, borehole logging, petrophysical analysis	lithostratigraphic correlation, chronostratigraphic correlation, sequence correlation
関連	5	5
概要	Well log analysis is the systematic examination of measurements recorded by instruments lowered into a borehole to characterize subsurface lithology, fluid content, and petrophysical properties. Originating in the 1940s, this method has become indispensable for petroleum exploration, groundwater assessment, and engineering geology. Well logs provide direct depth-correlated data that anchor interpretation of seismic surveys and constrain reservoir models.	Stratigraphic correlation is the practice of identifying equivalent rock layers or chronostratigraphic units across space by tracing physical or chemical signatures. Rooted in 19th-century work on Alpine glacial sequences, this method was formalized in the 20th century by geologists like Vail who unified global sea-level change with depositional sequences. Correlation is foundational to basin-scale understanding of sediment transport, resource distribution, and paleoenvironmental change.