PVT Analysis
Pressure Volume Temperature (PVT) Analysis
Unlocking Reservoir Potential with Precision Fluid Analysis
GeoMark Research provides industry-leading Pressure-Volume-Temperature (PVT) analysis to support oil and gas operators in optimizing production, improving reservoir management, and mitigating flow assurance challenges. Our comprehensive PVT studies deliver critical insights into reservoir fluid behavior under varying conditions, allowing for better decision-making throughout the asset lifecycle.
PVT SERVICES
Compositional Analysis
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Full compositional breakdown of reservoir fluids (C1 to C36+, CO2, H2S, and N2)
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Extended gas chromatography for detailed fluid characterization
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Advanced hydrocarbon fingerprinting for fluid correlation and allocation
Phase Behavior Studies
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Constant Composition Expansion (CCE) and Constant Volume Depletion (CVD) experiments
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Differential Liberation (DL) tests for oil and condensate systems
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Separator tests to determine optimal production strategies
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Multi-stage flash liberation tests for accurate phase characterization
Fluid Property Determination
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Density, viscosity, and compressibility measurements at reservoir conditions
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Gas-oil ratio (GOR) and formation volume factor (Bo, Bg) evaluation
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Live fluid sampling and recombination for accurate in-situ measurements
Flow Assurance & Solid Deposition Analysis
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Wax appearance temperature (WAT) and wax precipitation studies
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Asphaltene onset pressure (AOP) and stability assessments
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Hydrate formation and inhibition testing to prevent flow restrictions
Enhanced Reservoir Connectivity & Continuity Studies
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Ultra-High-Resolution Gas Chromatography (UHRGC) for precise reservoir connectivity assessment
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Geochemical modeling to support well allocation and drainage strategies
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Integration with geophysical and petrophysical datasets for comprehensive reservoir understanding
GeoMark Research’s established PVT laboratory has been serving the industry for over 15 years, providing critical subsurface fluid insights for our global customers:
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Fluid Phase Prediction: Predict when in-situ fluids transition to multiple phase (bubble point and recoverable hydrocarbon insights)
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Well Interactions: Evaluate how parent-child relationships are affecting PVT behavior
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Reservoir Continuity & Communication: Pressure assessment to identify reservoir communication
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Production Management: Fluid property assessment for choke management and production infrastructure optimization
Why Choose GeoMark Research?
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Expertise: Decades of experience in petroleum geochemistry and fluid characterization
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State-of-the-Art Equipment: Advanced laboratory capabilities for high-precision analysis
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Data-Driven Insights: Comprehensive PVT data integrated with our proprietary RFDbase and geochemical databases
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Customized Solutions: Tailored analytical programs designed to address specific reservoir challenges
The Importance of Accurate Shrinkage Factors in Commingled Production Systems
In offshore and commingled oil and gas operations, accurate fluid allocation is critical—not just for operators and partners, but also for government regulators. A 5% error in shrinkage on a 60,000 BOPD well can translate into massive financial discrepancies. At GeoMark Research, we bring lab-measured certainty to this equation.
Did You Know?
Production Allocation is regulated not just by operators, but also by agencies like BSEE and the Texas Railroad Commission. Laboratory data feeds directly into these frameworks to ensure equitable revenue distribution and regulatory compliance.
Why GeoMark?
Our physically measured PVT and geochemical data helps remove assumptions from your allocation models. Whether you're managing complex deepwater Gulf of Mexico infrastructure or land-based assets, GeoMark delivers the data accuracy that partners and regulators demand.
Our Laboratory Support for Allocation Workflows
GeoMark supports the full Production Measurement and Allocation (PMA) lifecycle:
Fluid Characterization:
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Single and staged flash separations for C10+ and C7+ fractions
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Separator gas and liquid compositions
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Live oil viscosity and density testing
PVT & Geochemistry:
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High-quality compositional data on oil, gas, and water
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GC and isotope analysis for reservoir fingerprinting
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Compatibility with legacy and current datasets
Allocation System Support:
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Routine and annual studies for deep-water GOM fields
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Input data for MPFM 5X5 PVT tables
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Input data for shrinkage factor calibration
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Validation of metered fluids vs stock tank oil volumes
Trust GeoMark - The Cash Register Behind your Barrels
In a world where allocation is the cash register of the industry, trust GeoMark’s high-resolution fluid and geochemical data to bring transparency, accuracy, and fairness to every barrel produced.
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​GeoMark Research is a leading provider of PVT and geochemical analysis for the global oil and gas industry. Our PVT laboratory capabilities include a full suite of services ranging from flash separation testing to live oil viscosity, delivering accurate, high-resolution data that feeds directly into reservoir engineering, development planning, and allocation workflows.
Want to learn more about PVT Applications?
Check out our three case studies below available for download.
Geochemical Analyses Integrated with
PVT Data Confirm Reservoir Continuity
Geochemical & PVT Analyses Provide Strong Evidence for Continuous Reservoir with Gas Cap Above an Oil Leg
Estimating GOR and Other Fluid Properties from Pressure Gradients and Geochemical Analyses
Get in Touch
Leverage GeoMark’s expertise to enhance your reservoir understanding and production optimization. Contact us today to discuss your PVT analysis needs.