Modern Well Log
Interpretation.
Finally.
nabilog brings professional petrophysics to the browser. No installs, no $10,000 licenses — open a tab, upload your LAS file, and start interpreting.
Interpretation
Net Pay: 14.2m
The Problem
Legacy Tools Were Built for a Different Era.
Techlog, Petrel, and their peers were designed in the 1990s. They're powerful, yes — and also expensive, locked to desktops, and hostile to collaboration.
Legacy (e.g. Techlog)
- Cost
- $10,000+ / seat / year
- Platform
- Windows desktop only
- Collaboration
- Share files manually
- Setup
- IT department required
- History
- Overwrite and hope
nabilog
- Cost
- From $49/month
- Platform
- Any browser, any OS
- Collaboration
- Real-time, version-controlled
- Setup
- Runs in under 60 seconds
- History
- Full Git-style audit trail
What you gain
- →Open browser → interpret immediately
- →Collaborate with field teams in real-time
- →Every change tracked and reversible
- →No IT tickets. No license keys.
- →Affordable from solo to enterprise
“Techlog costs more per year than nabilog costs for a decade.”
Core Features
Everything You Need. Nothing You Don't.
Built from scratch for professional petrophysics — not ported from 1990s desktop code.
Web-Native, Zero Install
Open your browser. Upload a LAS file. Start interpreting. No IT tickets, no license dongles, no Windows-only restrictions.
Git for Wells
Every interpretation is versioned. Compare, roll back, and collaborate — like code review, but for petrophysics. Full audit trail included.
AI Geological Narratives
AI reads your interpretation parameters and writes a professional geological summary. Publish it directly into your PDF report.
Composite Log PDF Export
Print-ready, multi-track PDF exports that rival Techlog and Petrel — generated in seconds, fully customizable curves, fills, and zones.
Depth Correlation
Two-click picking to align multi-run or multi-well logs. Per-curve, per-file, or per-view depth shifts — all version-tracked.
60fps Canvas Rendering
High-performance rendering without WebGL. Smooth interaction on any device, without GPU driver nightmares — even on field laptops.
Workflow
From LAS Upload to Published Report
in Under an Hour.
A workflow designed by petrophysicists, for petrophysicists.
Upload Your LAS
Drag and drop LAS files into your well project. We parse headers, extract curves, and index everything automatically.
QC and Correlate
Flag bad data, trim depth ranges, and align multiple log runs with depth shifts in two clicks.
Interpret
Run VSH, Porosity, and Water Saturation workflows. AI writes a geological narrative as you go.
Export and Share
Generate a composite log PDF and commit your interpretation — creating a permanent, reviewable audit trail.
∞
wells under one subscription
0
software installs required
100%
browser-native architecture
$0
IT overhead
“
For the first time, I can open a client's LAS file on my laptop in the field and deliver a published interpretation before the end of the day. That used to take a week and a Techlog license.
Senior Petrophysicist, Independent Consultant
Free LAS File Viewer
Looking for a Free LAS File Viewer?
You found it.
nabilog's free Sandbox is a fully functional, browser-based LAS file viewer built for petrophysicists. No software to install. No license to buy. Create a free account and start viewing your well logs in under a minute.
Unlike simple curve plotters, nabilog reads your LAS headers, detects curve mnemonics, and lets you run real petrophysical workflows — VSH, porosity, water saturation, zone picks — the same engine used in our professional paid plans.
Sign In to Use SandboxOpen any LAS file
Supports LAS 1.2, 2.0, and 3.0 formats. Drag-and-drop upload — parsed entirely in your browser.
All standard curves
Gamma Ray, Resistivity, NPHI, RHOB, DT, Caliper and more. Automatic unit detection and scaling.
Full petrophysical calculations
Calculate VSH from GR, effective porosity, and water saturation via the Archie equation — with interactive parameter controls.
Zone picking & depth correlation
Pick formation boundaries, align multi-run logs with 2-click depth shifting. Everything you need for a complete open-hole review.
Note on LAS formats
nabilog is designed for 1D/2D petrophysics well log LAS files — the industry-standard format for wireline, MWD/LWD, and production logs. It does not support 3D seismic LAS or SEGY formats.
Pricing
Transparent Pricing. No Surprises.
The free Sandbox is always available. Upgrade when you need collaboration, persistent storage, version history, and professional PDF exports.
Solo
Perfect for independent petrophysicists
- 1 user
- 10 active wells
- All interpretation workflows
- PDF export
- 90-day version history
- Community support
Team
For E&P teams and consulting firms
- Up to 5 users
- Unlimited wells
- All interpretation workflows
- Professional PDF export
- Full version history
- AI narrative generation
- Priority email support
Enterprise
For large operators and service companies
- Unlimited users & wells
- Self-hosted deployment option
- SSO / Active Directory
- Custom PDF templates
- SLA & dedicated support
- On-premise data residency
All paid plans include everything in the free Sandbox — plus persistence, collaboration, and exports.
Get Started
Start Your First Interpretation Today.
Sign in to access the full platform — or use the free Sandbox to explore nabilog with your own LAS files, no subscription required.