Oil & Gas Flow Meters


Reliable Oil and Gas Flow Measurement Solutions

Oil and gas operations require accurate, dependable flow measurement across demanding applications involving crude oil, natural gas, hydrocarbons, process water, steam, slurries, and other challenging fluids. High pressures and temperatures, corrosive or abrasive media, changing flow conditions, and stringent performance requirements make selecting the right meter critical to safe, efficient, and reliable operation.

PFS provides engineered differential pressure flow measurement solutions for upstream, midstream, downstream, refining, and processing applications. From standard flow measurement to fully customized systems, our team helps customers select solutions designed for accuracy, durability, long service life, and compliance with applicable industry requirements.

Common Oil & Gas Flow Meter Applications

Accurate flow measurement is critical throughout oil and gas production, transportation, processing, and refining. PFS flow meters can be engineered for a wide range of liquids, gases, hydrocarbons, and difficult process fluids found across upstream, midstream, and downstream operations. Common applications include:

Crude Oil & Hydrocarbon Measurement

Measure crude oil, refined hydrocarbons, and other petroleum-based fluids across production, processing, and transfer applications.

Refining & Petrochemical Processing

Measure liquefied natural gas across production, processing, storage, transfer, and regasification applications.

Natural Gas & Process Gas Measurement

Provide reliable flow measurement for natural gas and other process gases across production, processing, and facility operations.

LNG Production & Processing

Measure liquefied natural gas across production, processing, storage, transfer, and regasification applications.

Produced Water & Process Water

Measure water used, produced, treated, or transferred throughout oil and gas operations.

Steam & Utility Systems

Support accurate measurement of steam, water, and other utility flows used throughout processing and refining facilities.

Slurries, Viscous & Contaminated Fluids

Measure crude oil, slurries, viscous hydrocarbons, fracking fluids, and other difficult fluids containing solids or contaminants.

Flow Meter Types for Oil & Gas Applications

PFS offers a range of differential pressure flow meter technologies designed for the demanding conditions found throughout oil and gas operations. Each solution can be engineered around specific fluids, operating conditions, piping configurations, and performance requirements.

Fabricated Venturi Flow Meter

Venturi Flow Meters

Accurate measurement with low pressure loss.
Supports reliable measurement of liquids, gases, steam, hydrocarbons, and challenging process fluids while minimizing permanent pressure loss.

Wedge Flow Meter

Wedge-Type Flow Meters

Reliable measurement for difficult oil & gas process fluids.

Designed for crude oil, viscous hydrocarbons, slurries, contaminated fluids, suspended solids, entrained gases, and other harsh-duty applications.

Orifice Flow Meters

Flexible, cost-effective measurement for liquids, gases, & steam.

A proven differential pressure solution for clean process fluids and applications requiring straightforward, economical flow measurement.

Specialty Flow Meter

Specialty & Custom Flow Meters

Engineered solutions for unique oil & gas applications.

Custom flow meters, configurations, materials, and integrated solutions help address specialized process, piping, installation, and performance requirements.

Supporting Oil & Gas Flow Measurement Since 1983

Oil and gas applications can present some of the most demanding conditions for flow measurement. PFS works with operators, engineers, EPC firms, OEMs, and processing facilities to develop solutions around the actual fluid, process conditions, piping configuration, and performance requirements of each application.

Engineered for the Application

PFS evaluates fluid characteristics, pressure, temperature, flow range, piping conditions, materials, and performance requirements to help specify the right meter for each application rather than relying on a one-size-fits-all approach.


Engineering & Technical Support That Continues for Decades

PFS continues to support customers and flow measurement systems supplied decades ago. From on-site visits and training to engineering assistance, troubleshooting, calibration, and meter rehabilitation, our team provides hands-on support throughout the life of the equipment.


Built for Harsh Conditions & Long-Term Performance

PFS flow meters are engineered and manufactured for accuracy, durability, and long service life in demanding oil and gas environments. Robust designs, application-specific materials, and proven differential pressure technologies help deliver dependable performance for years to come.


Custom Designs, Materials & Configurations

Oil and gas projects frequently require more than a standard meter. PFS can provide custom materials, connections, pressure tap arrangements, meter configurations, and engineered designs to accommodate specialized process and installation requirements.

Classical Venturi Flow Meter

55 Custom Venturi Meters for a Major LNG Processing Facility

For one of the world’s largest LNG processing facilities in Queensland, Australia, PFS engineered and supplied 55 Classical Venturi flow meters built to deliver accurate, reliable measurement across demanding processing conditions.

Read the Full Case Study

Practical Support for Oil & Gas Flow Measurement Systems

Oil and gas flow measurement systems must continue performing under demanding operating conditions where accuracy, reliability, and equipment longevity are critical. PFS supports operators, engineers, and maintenance teams with services designed to optimize meter performance, extend equipment life, and improve long-term system reliability.

flow meter rehabilitation

Meter Rehabilitation

Restore existing flow meters through inspection, repair, modification, and recalibration to extend equipment life and maintain dependable performance.

Utah Laboratory Calibration Services

Laboratory Calibration

Verify meter performance and accuracy under controlled conditions to support reliable measurement across critical oil and gas applications.

Hydraulic Analysis

Evaluate flow conditions, pressure loss, piping configuration, and operating requirements to support meter sizing, selection, and system performance.

Venturi Meter

Engineering & Technical Support

Receive application-specific support for meter selection, custom engineering, installation planning, troubleshooting, and ongoing technical requirements.