Logging bezeichnet die Gewinnung von Messdaten auf einem Vertikalprofil in der Regel durch die Befahrung einer Tiefbohrung mit eine Messgerät oder einer Messgeräteanordnung.. Siege hierzu Log.

Technologiebaum Logging (wichtigste Verfahren für Geothermie)

• Leitfähigkeit-Log (Salinitäts-Log)
• Kaliber-Log
• Widerstandslog
• Eigenpotenzial Log
• Gamma-Ray-Log
• Dichte-Log oder Gamma-Gamma-Log
• Neutronenlog
• Akustik-Log oder Sonic-Log
• Borehole-Imaging-Log
• Nuclear magnetische Resonanz (NMR)
• Flowmeter-Log
• Cement-Bond-Log
• Fluid-Logging-Verfahren
• Mud-Logging  

Technologiebaum Logging, vollständig

• Resistivity and spontaneous (SP) logging
  • Electrode resistivity devices
  • Induction logging
  • Microresistivity logs
  • Spontaneous (SP) log
• Acoustic logging
  • Cement bond logs
• Nuclear logging
  • Gamma ray logs
  • Spectral gamma ray logs
  • Density logging
  • Neutron porosity logs
  • Pulsed neutron lifetime logs
  • Carbon oxygen logs
  • Geochemical logs
• Nuclear magnetic resonance (NMR) logging
• Mud logging
• Sonic logging
• Specialty logs
  • Openhole caliper logs
  • Casing collar locator
  • Casing inspection logs
  • Borehole imaging
  • Borehole gravimetry
  • Downhole magnetic surveys
• Production logging
  • Temperature logging
  • Radioactive tracer logging
  • Noise logging
  • Fluid capacitance logging
  • Focused gamma ray density logging
  • Unfocused gamma ray density logging
  • Diverting spinner flowmeter
  • Continuous and fullbore spinner flowmeters

Anwendungen, Bedingungen

• Logging while drilling (LWD)
  • LWD induction tools
  • Acoustic logging while drilling
  • Electromagnetic logging while drilling
  • Nuclear logging while drilling
  • NMR logging while drilling
• Directional survey
  • Directional survey for 3D reservoir modeling
• Formation resistivity determination
• Porosity determination
  • Porosity evaluation with acoustic logging
  • Porosity determination with NMR logging
  • Porosity for resource in place calculations
• Permeability determination
  • Permeability estimation with Stoneley waves
  • Permeability estimation with NMR logging
• Fluid identification and characterization
  • Fluid typing with NMR logging
  • Hydrocarbon analysis during mud logging
  • Fluid identification logging in high angle wells
• Layer thickness evaluation
  • Net pay determination
  • Fluid contacts identification
• Lithology and rock type determination
• Saturation evaluation
  • Water saturation determination
• Fractional flow evaluation
• Fracture identification with acoustic logging
• Overpressure prediction using acoustic logging
• Geological applications of acoustic logging
• Rock mechanical properties
• Anisotropy analysis
• NMR applications
• Cuttings analysis during mud logging
• Formation evaluation during mud logging
• Production logging throughout well life
  • Production logs to assess gas kick
  • Profiling commingled gas production
  • Profiling oil production under WAG recovery
  • Gas blowout after abandonment
  • Production logging application tables
• Log interpretation
  • Advanced acoustic data analysis
  • Well log interpretation
  • Nuclear log interpretation
  • Log analysis in shaly formations
  • Multiple log interpretation

Weblink

http://www.glossary.oilfield.slb.com/search.cfm

https://petrowiki.spe.org/Types_of_logs

Literatur

Zu Literatur siehe:

• https://www.geothermie.de/bibliothek/links-und-infosysteme/literaturdatenbank oder
• https://www.geothermie.de/bibliothek/links-und-infosysteme/konferenzdatenbank

zuletzt bearbeitet Februar 2025, Änderungs- oder Ergänzungswünsche bitte an info@geothermie.de