HRLA High-Resolution Laterolog Array

As a component of triple- and quad-combo toolstrings, the HRLA high-resolution laterolog array tool delivers true formation resistivity (Rt) in thinly bedded and deeply invaded formations from five independent, actively focused measurements that are input to a 2D earth model and inversion scheme to account for borehole, shoulder bed, and invasion effects.

The resulting triple- and quad-combo datasets provide the minimum information required for basic formation evaluation answers, such as porosity and saturations. This basic insight is readily expanded by combining the data with additional measurements. Integrated interpretation employs advanced workflows, the multidisciplinary expertise of our interpretation geoscientists and engineers working with you as needed, and software such as the Techlog wellbore software platform to maximize the value of your logging data. The result is the fullest possible understanding of complex lithologies, such as carbonate, shaly sand, and shale reservoirs.

Interpretation Services for Triple- and Quad-Combo Services
Including HRLA High-Resolution Laterolog Array
Basic Interpretation  Matrix-corrected total porosity, lithology, and clay volume 
Advanced Interpretation

Permeability estimation and bound fluids versus movable fluids

Structural dip information and net sand determination for laminated sequences

Fluid gradient analysis and mobility evaluation

Anisotropic rock mechanical properties for optimized well placement and completion design in layered formations

Reservoir fluid properties and connectivity studies

Accurate petrophysical analysis in laminated, complex, and low-porosity formations with direct determination of total organic carbon (TOC )

Detailed stratigraphic and textural geologic information

Fracture characterization

Related services and products


Optimized Spacing for True Thin-Bed Resistivity

High-Resolution Laterolog Array image
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