Crude Oil Quality Verification & Laboratory Analysis

Crude Oil Assay, Testing & Inspection Services

Crude oil assay, inspection, sampling, and laboratory testing services for cargo verification, refinery operations, custody transfer, and quality compliance.

Crude oil laboratory testing and inspection operations for refinery and cargo quality verification
Testing Standards ASTM, ISO and IP Procedures
Service Coverage Marine, Pipeline, Terminal and Refinery Operations
Testing Capability Crude Assay and Quality Verification
Operational Support 24/7 Laboratory and Field Inspection Coordination

Crude Oil Assay, Testing & Inspection Services

Fairtex Nigeria Ltd provides crude oil assay, laboratory testing, sampling, and inspection services for upstream, midstream, downstream, marine, and storage operations across Nigeria. Our services support crude quality verification, refinery feedstock evaluation, custody transfer assurance, cargo certification, and compliance monitoring for operators, traders, terminal operators, and refinery facilities.

Our laboratory network and field inspection teams support crude oil testing for cargo tankers, storage tanks, pipelines, terminals, refineries, and production facilities. Fairtex operates with recognized industry testing procedures and quality assurance protocols to ensure reliable analytical data, operational transparency, and timely reporting for critical commercial and operational decisions.

Typical applications: crude cargo inspection, custody transfer operations, refinery feedstock characterization, export terminal testing, pipeline quality verification, production monitoring, storage tank sampling, blending operations, off-specification investigations, and marine loading/discharge operations.

What this service covers

Crude Oil Laboratory Testing

Fairtex performs laboratory analysis for API gravity, density, sulfur content, sulfur speciation, mercaptan sulfur, chloride content, carbon residue, hydrogen sulfide analysis, crude oil light ends analysis, trace mercury detection, and metals analysis. Testing services support operational quality assurance, refinery compatibility assessments, and product specification verification.

Crude Oil Assay Services

We provide crude oil assay services to support refinery optimization, crude evaluation, blending analysis, and production characterization. Assay programs include atmospheric and vacuum distillation analysis, high temperature simulated distillation (SimDis), compositional profiling, and analytical reporting required for technical and commercial evaluation of crude streams.

Field Inspection & Cargo Verification

Our field inspectors support sampling, cargo inspection, stock measurement verification, transfer monitoring, and operational coordination for marine, pipeline, terminal, and storage operations. Fairtex inspection personnel work alongside laboratory teams to provide rapid reporting, off-specification notifications, and independent analytical verification throughout cargo movement and handling activities.

Operational & Compliance Support

Fairtex supports operators, refiners, marketers, and traders with laboratory-backed technical support, testing advisory services, operational follow-up, and compliance-driven analysis programs. Our teams provide continuous coordination to ensure testing requirements, reporting timelines, and operational specifications are aligned with contractual and regulatory obligations.

Key Takeaways

  • Comprehensive crude oil assay and laboratory testing capability
  • Field inspection support for cargoes, terminals, pipelines, and storage facilities
  • Testing aligned with ASTM, ISO, and IP industry standards
  • Operational support for custody transfer, refinery evaluation, and quality assurance
Equipment

Instruments and systems used for this service.

Laboratory Analytical Equipment
Gas Chromatography Systems
Used for compositional analysis, light ends analysis, and sulfur speciation testing.
Crude Assay Equipment
Distillation Analysis Units
Supports atmospheric, vacuum distillation, and simulated distillation analysis for crude characterization.
Petroleum Testing Equipment
Density and API Gravity Analyzers
Used for density determination and API gravity verification of crude oil samples.
Field Inspection Equipment
Portable Sampling and Inspection Kits
Supports cargo sampling, storage tank inspection, and custody transfer operations.
Standards

Codes and standards this service conforms to.

ASTM
ASTM D4052
Density and Relative Density of Liquids by Digital Density Meter
ASTM
ASTM D4294
Sulfur in Petroleum and Petroleum Products by Energy-Dispersive X-ray Fluorescence
ISO
ISO 3170
Petroleum Liquids Manual Sampling
Deliverables

What you receive.

Crude Oil Assay Report

Comprehensive analytical characterization and distillation profile of crude samples.

Laboratory Test Certificate

Certified laboratory analysis results for crude oil quality verification.

Inspection and Sampling Report

Operational inspection records, sample traceability, and cargo verification documentation.

Off-Specification Notification Report

Analytical findings and operational alerts for non-conforming crude cargoes or samples.

Have a Scope?

Let’s get it scoped and quoted.

Our team will review your scope and return a proposal.

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