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GWL (Geophysical Well Logging)

GWL (Geophysical Well Logging)

Smart Geophysics выполняет геофизические исследования скважин (ГИС) — комплекс каротажных работ для оценки геологического разреза, технического состояния ствола скважины и контроля качества цементирования. Наша каротажная станция оснащена современными приборами для нейтронного, гамма- и акустического каротажа, кавернометрии и измерения отклонения ствола скважины. Данные ГИС используются на всех этапах геологоразведочных и буровых работ: для выделения продуктивных пластов, определения их коллекторских свойств, контроля технического состояния скважины и оценки эффективности заканчивания. Мы предоставляем полный цикл работ — от полевых измерений до интерпретации данных и подготовки итогового отчёта.
  • Acoustic Borehole Imager (Televiewer)
  • Optic Borehole Imager (Televiewer)
  • Gyro Deviation Tool
  • Neutron Logging Tool
  • Natural Gamma - Casing Collar Loc
  • Full Waveform Sonic
  • Dual Laterolog Tool
  • 3 - Arm Caliper
  • Borehole Deviation
  • Fluid Conductivity and Temperature
  • Multi-parameter resistivity (E-Log Tool)
  • Full Wave Sonic Tool / Casing Collar Locator
  • Three Arm Caliper Logging Tool
  • Compensated Density Logging and Caliper Tool
  • Dual Density Logging Tool
  • Spectral Gamma Logging Tool
  • Magnetic Susceptibility Tool
  • Impeller Flowmeter
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Stages of work
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Stage 1
Planning
  • Defining the objectives and methods of the study
  • Development of a work execution plan
work
Stage 2
Fieldwork
  • Staff mobilisation
  • Reconnaissance and survey of the work site
  • Field data collection
work
Stage 3
Data processing
  • Analysis, processing and interpretation of the obtained data
  • Creation of graphic materials, maps, sections, models
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Stage 4
Reporting
  • Preparation of the report and further recommendations
  • Presentation of results to the Customer

Frequently asked questions about borehole geophysical surveys

Which investigations are included in a well logging programme?
The suite is selected for the objective and well conditions. It can include gamma-ray, spontaneous potential, resistivity, caliper and other borehole measurements needed to correlate the geological section or assess well condition.
What information is needed before work begins?
Provide the well passport and construction, depth, casing and tubing data, drilling and geological logs, known target intervals and the task for the survey.
What determines the logging suite and investigation depth?
They depend on the objective, well construction and condition, casing, borehole diameter, fluid properties, accessible depth and safety constraints.
Can well logging be carried out in a cased well?
Some methods can be used in cased wells, although the available suite is limited by casing and construction. We assess the well specifications before selecting the methods.
What will the client receive?
Raw and processed logs, depth correlation, interpretation linked to the geological section and a technical report in the agreed format.
How is measurement quality controlled?
We check instrument calibration and zero, depth matching, repeat measurements where required, and field records. Data quality control continues during processing and interpretation.
Can well logging be combined with other investigations?
Yes. Results are most useful when correlated with geology, core, drilling, laboratory analyses and, where appropriate, surface geophysics.
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