Gas Sampling

Accurate Gas Sampling for Reliable Measurement and Compliance

Precise gas sampling is critical for accurate flow measurement, custody transfer, and regulatory compliance. Circle B Measurement & Fabrication provides comprehensive gas sampling services, ensuring that operators can verify gas composition, maintain meter accuracy, and meet industry standards. Our sampling solutions support measurement integrity, operational efficiency, and regulatory compliance.

Proper gas sampling ensures that analyzers, flow computers, and measurement systems are working with accurate, representative gas samples, minimizing errors in reporting, billing, and process control.

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Our experts are ready to meet your needs and help with next steps.

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Why Gas Sampling is Essential

Operators rely on Circle B’s gas sampling services because:

Measurement Accuracy: Correct sampling ensures that flow calculations and process data are based on representative gas compositions.
Regulatory Compliance: Sampling aligns with API, GPA, and BLM standards for hydrocarbon gas analysis.
Operational Verification: Confirms that measurement systems, analyzers, and meter tubes are functioning properly.
Error Reduction: Prevents inaccuracies in flow measurement, custody transfer, and process reporting.
Process Optimization: Accurate gas composition data supports efficient operations and decision-making.

By implementing a structured gas sampling program, operators gain confidence in measurement integrity and compliance.

Circle B Gas Sampling Services

Circle B offers a full range of gas sampling services designed to meet the needs of pipeline operators, processing facilities, and midstream companies:

Field Spot Sampling

On-Site Sampling: Collection of representative gas samples directly from pipelines, meter runs, or production equipment.
Sampling Protocols: Follow industry standards to ensure accurate and uncontaminated samples.
Multiple Sample Types: Spot samples for hydrocarbon composition, moisture content, and trace gas analysis.

Laboratory Integration

Inficon Gas Chromatographs: Utilized for precise analysis of C6+ and C9+ hydrocarbons.
Extended Analysis: Supports GPA 2186/2286 for detailed hydrocarbon breakdown.
Physical Properties: Measurement of gross heating value, density, and other key gas properties.

Compliance with Standards

Circle B ensures that all gas sampling activities comply with relevant standards:

API MPMS: Measurement standards for hydrocarbon gas analysis.
GPA 2261: Analysis of natural gas by gas chromatography.
GPA 2145: Physical property constants of hydrocarbons.
BLM SOPs: Gas chromatography and sampling procedures as per BLM guidelines.

Integration with Meter Tube Maintenance

Verification: Gas samples are used to verify orifice, ultrasonic, and Coriolis meter performance.
Calibration Support: Sampling data supports flow computer calibration and measurement verification systems (MVS).

Documentation: Complete records of sampling and analysis for regulatory and operational purposes.

Benefits of Professional Gas Sampling

Reliable Measurement: Sampling ensures analyzers and meters are working with representative gas.
Regulatory Confidence: Alignment with API, GPA, and BLM standards ensures defensible data.
Operational Efficiency: Accurate gas composition data supports process control, optimization, and reporting.
Reduced Risk: Mitigates potential errors in custody transfer, flow measurement, and billing.

Comprehensive Records: Documentation supports audits, inspections, and internal quality assurance programs.

Applications for Gas Sampling

Circle B’s gas sampling services are applicable across a variety of operational contexts:

Pipelines and Midstream Operations

Measurement Verification: Ensures flow measurement systems remain accurate and compliant.
Hydrocarbon Analysis: Spot sampling for methane, ethane, propane, butane, and higher hydrocarbons (C6+ to C9+).
Flow Computer Integration: Sampling supports calibration of flow computers and MVS systems.

Processing Facilities

Analyzer Verification: Ensures online and laboratory analyzers provide accurate results.
Gas Quality Monitoring: Maintains quality and composition specifications for downstream processes.
Operational Efficiency: Accurate sampling reduces downtime and supports reliable process control.

Regulatory and Compliance Programs

BLM Compliance: Sampling schedules and methods align with federal and state regulatory requirements.
Audit-Ready Documentation: Records support inspections, audits, and compliance reporting.

Defensible Measurement Data: Ensures custody transfer and operational reporting meet industry standards.

Circle B’s Gas Sampling Process

Circle B employs a structured gas sampling process to ensure accuracy and compliance:

Planning: Review operational requirements, sampling points, and standards.
Field Collection: Technicians collect spot samples following industry-standard protocols.
Analysis: Laboratory or field-based gas chromatographs analyze composition, moisture, and other parameters.
Verification: Compare results to flow computer readings and meter tube performance for accuracy.
Documentation: Comprehensive reports detailing sampling, analysis, and verification results.

This process ensures representative, accurate, and regulatory-compliant gas sampling for all measurement applications.

Technology and Expertise

Circle B combines advanced technology with experienced technicians to deliver superior gas sampling services:

Inficon Gas Chromatographs: High-precision hydrocarbon analysis for C6+ and C9+ gases.
Field Sampling Equipment: Accurate, contamination-free sample collection.
Experienced Technicians: Trained in sampling protocols, meter tube verification, and regulatory compliance.

Integrated Workflow: Sampling data used to support meter tube maintenance, calibration, and measurement verification.

Why Choose Circle B Measurement & Fabrication

Circle B is a trusted partner for gas sampling because we provide:

Comprehensive Service: Field spot sampling, laboratory analysis, meter verification, and reporting.
Standards Compliance: API, GPA, and BLM standards adhered to for accuracy and defensibility.
Operational Confidence: Gas sampling ensures reliable measurement for process control, custody transfer, and billing.
Experienced Technicians: Skilled personnel capable of handling complex sampling scenarios across multiple applications.
Documentation and Reporting: Complete records for audits, inspections, and operational review.

Operators can rely on Circle B to provide accurate, compliant, and reliable gas sampling solutions for all applications.

Partner with Circle B for Gas Sampling

Circle B Measurement & Fabrication provides professional gas sampling services for natural gas pipelines, processing facilities, and midstream operations. Our services ensure that flow measurement, analyzers, and process systems operate accurately and reliably, while maintaining full compliance with industry standards.

Contact Circle B today to schedule gas sampling services or discuss a customized gas analysis program for your operations.

Partner with Circle B for Skid Fabrication

Circle B Measurement & Fabrication provides custom, turnkey skid solutions for measurement, process, and production applications across the oil and gas industry.

Contact Circle B today to discuss your skid fabrication requirements or request a custom skid solution.

Partner with Circle B for Moisture Analyzer Solutions

The AMI 4010LX and other moisture analyzers from Circle B provide turnkey solutions for accurate, real-time water vapor monitoring in natural gas and hydrocarbon operations.

Contact Circle B today to discuss your moisture analyzer requirements or request a custom measurement solution.