Capacitance-Based Water Cut Measurement
How a concentric capacitor measures water fraction in oil. The physics of dielectric contrast, practical field advantages, phase inversion limits, and core oilfield applications.
Read article →Technology & Resources
Technical articles, test reports, and engineering tools
Overview
How Inline Water Measurement Works
The science behind capacitance-based water cut measurement, why inline monitoring complements lab and field sampling, how Zelentech compares to alternative technologies, and a guide to hazardous area certifications and communication outputs.
Read overview →Technical Articles & Reports
Technical Article
Test Report
Water in TEG — Performance Test Report
Controlled validation of the ZT-100TEG monitor from 0–1% water in triethylene glycol at 0.1% increments, with independent Intertek laboratory correlation.
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Case Study
Large LACT Skid, Louisiana — 1 Year Field Trial
The ZT-100 8″ F-Series completed a one-year side-by-side trial at Crimson Pipeline, Louisiana, measuring over $1 billion of crude oil alongside competing instruments.
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Technical Article
BS&W Monitors for LACT Units
How BS&W monitors work in LACT units, why accurate water cut measurement is critical for custody transfer, and how automated quality gating protects pipelines and revenue.
Read article →Engineering Reference Tools
Free online calculators and reference tables for process engineers.
Flow Calculator
Convert between volumetric flow rate and velocity for any pipe size. Supports metric and imperial units.
Open tool →Pipe Schedule Table
ANSI/ASME B36.10M pipe dimensions — OD, wall thickness, and internal diameter for all standard schedules.
Open tool →Pressure Ratings & Pipe MAWP
ASME B16.5 flange ratings and B31.3 pipe MAWP calculators — 24 material groups plus 27 seamless pipe materials.
Open tool →Water Density Reference
Water density as a function of temperature — interactive chart with tabulated values.
Open tool →Oil Viscosity Reference
Kinematic viscosity of common crude and process oils across the operating temperature range.
Open tool →Interfacial Tension Reference
Oil-water interfacial tension data for common fluid pairs used in dispersion and mixing calculations.
Open tool →Slip-On Flange Setback
Pipe setback and cut deduction for slip-on flange spool fabrication. SCH 10, 40, 80 for NPS 1" to 12".
Open tool →DN65 / ANSI 2½" Bore Solution
How to connect EN 1092-1 flanges to ANSI NPS 2½" pipe — bored blind flange approach with STEP downloads.
Open tool →Dispersion Calculator
Water-in-oil mixing quality per ISO 3171 Annex A. ZTMX static mixer sizing with pressure drop, droplet size, and multi-temperature flow analysis.
Open tool →3D CAD Library
Free downloadable STEP files for engineering fit checks and assembly design.
Questions About Our Technology?
Our engineering team can help you understand which measurement approach is right for your application.
