Metering Systems

As an original equipment manufacturer (OEM), Sensia offers single-sourced, customer-driven solutions for the transfer of ownership of hydrocarbons throughout the global oil and gas industry. With an unrivaled dedication to engineering excellence, Sensia provides field-proven, precise, and reliable measurement for some of the most challenging applications around the world.

Flowmetering systems
Sensia metering systems deliver a rapid return on investment through reduced measurement uncertainty, experienced project execution, compact footprint, and significantly reduced operating costs. Working together with customers around the globe, Sensia leverages more than 50 years of experience in the design, manufacture, and supply of measurement solutions to ensure that each metering system reliably and efficiently maximizes production regardless of system complexities or geography while remaining fully compliant with local regulations.

The mechanical displacement meter prover enables calibrating each meter to a known volumetric standard by displacing a volume of liquid between two points (switches) by a mechanical displacer inside the prover pipe while the meter signal is being recorded. The volume between switches is precalibrated by the water draw method using calibrated test measurements that are certified and traceable to the National Institute of Standards and Technology (NIST).

An in situ prover enables continuous flow through the meter being calibrated, with the liquid at its actual flowing conditions, without the need to start or stop the flow. A permanently installed prover is recommended to allow frequent calibration of the meters and maintain long-term accuracy. Bidirectional, unidirectional, and compact or small-volume prover types are used in measurement systems.

Sampling System
While meters are used to ensure product quantity or volume, a properly designed sampling system is used to ensure product quality. The sampling system may include a densitometer, BS&W monitor, pressure and temperature transmitters, sample containers, controllers, and other instrumentation as required. A detailed mixing analysis is required to properly design the sampling system for a given application. Extracting the best possible representative sample from the flow stream is critical and requires proper mixing. Sampling systems can be as simple as an inline static mixer with a sample extraction probe to redundant jet mixing designs with heated enclosures and automatic container selection.

Control Panel
The control panel for a measurement system consists of an enclosure with panel-mounted flow computers, a rack-mounted PLC, power supplies, and terminal strips for field wiring termination. The operator interface is a supervisory computer system and consists of an HMI with a desktop computer, a panel-mounted display screen, or both. The supervisory system will include detailed graphics of the metering system on the display with dynamic real-time operational information data such as flow rates, temperatures, pressures, and valve positions. The control panel is programmed to automatically initiate meter provings, provide scheduled reports and exception reports, and alarm on out-of-tolerance conditions.

Metering Systems

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