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Crude Oil Analysis & Evaluations
PRI provides crude oil analysis and evaluations with a strong focus on Resids / VTB’s and related cuts.

PRI maintains atmospheric and vacuum distillation apparatuses to provide sufficient Resid / VTB to conduct full characterizations for paving, roofing or industrial use.

PRI provides experience and background in evaluating an array of crudes, crude blends and/or back blending with VGO’s to produce articles of commerce.

Crude analysis and distillation provides the first step in the complete characterization of the Resid / VTB for use as product and/or feed stock for coking.

Coupled with PRI’s value added oxidation, emulsification, polymer blending and / or related engineering approaches and downstream evaluation and assessments crudes may be fully characterized for commercial value optimization in assorted markets.

Following is a partial list of individual testing protocols. Other testing protocols are available; inquire if the specific test or property is not listed.
Individual Test Methods or Properties Test Method
Aniline Point ASTM D 611; Aniline Point and Mixed Aniline Point of Petroleum Products and Hydrocarbon Solvents

API Gravity ASTM D 287; API Gravity of Crude Petroleum and Petroleum Products (Hydrometer Method)

API Gravity ASTM D 1250; Guide for Use of Petroleum Measurements Tables

Ash, % ASTM D 482; Ash from Petroleum Products

Asphalt (Resid/VTB) from Crude via Distillation ASTM D 5236; Distillation of Heavy Hydrocarbon Mixture (Vacuum Potstill Method)

Carbon, Hydrogen, Nitrogen & Oxygen Content ASTM D 5291; Instrumental Determination of C, H, N & O in Petroleum Products & Lubricants

Chlorides (Organic) ASTM D 4929; Determination of Organic Chloride Content in Crude Oil

Conradson Carbon Residue (Coking Value) ASTM D 189; Conradson Carbon Residue of Petroleum Products

Crude Blending (Volume Method) PRI

Crude Oil Compatibility ASTM D 6703M; Test Method for Automated Heithaus Titrimetry

Distillation ASTM D 2892; Test Method for Distillation of Crude Petroleum (15-Theoretical Plate Column)

Distillation (SimDis) ASTM D 5307; Determination of Boiling Range Distribution of Crude Petroleum by Gas Chromatography

Flash Point ASTM D 93; Flash Point by Pensky-Martens Closed Cup Tester

Metals & Metals Sample Preparation ASTM D 5708; Determination of Nickel, Vanadium and Iron in Crude Oils and Residual Fuels by Inductively Coupled Plasma (ICP) Atomic Emission Spectroscopy

Nitrogen ASTM D 4629; Trace Nitrogen in Liquid Petroleum Hydrocarbons by Syringe/Inlet Oxidative Combustion and Chemiluminescence

Pour Point ASTM D 97; Pour Point of Petroleum Products

Sediment by Extraction ASTM D 473; Sediment in Crude Oils and Fuels by the Extraction Method

Sulfur ASTM D 4294; Sulfur in Petroleum and Petroleum Products by Energy Dispersive X-ray Fluorescence Spectroscopy

Sulfur ASTM D 2622; Sulfur in Petroleum Products by Wavelength Dispersive X-ray Fluorescence Spectroscopy

Vacuum Distillation (Cut Points) ASTM D 1160; Distillation of Petroleum Products at Reduced Pressure

Viscosity - Asphalt Binders ASTM D 445; Kinematic Viscosity of Transparent and Opaque Liquids (and calculation of dynamic viscosity)

Water Content ASTM D 4377; Water in Crude Oils by Potentionmetirc Karl Fischer Titration
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