Precision Instrumentation for the Oil & Gas Industry
Our instruments are widely applied in auxiliary and non-critical process areas of oil and gas facilities, supporting reliable measurement under high pressure, temperature, and corrosion conditions.Solutions cover utilities, water treatment, storage, and emission monitoring systems in upstream, midstream, and downstream operations.
Addressing the Core Challenges of Oil & Gas Process Control
The oil and gas industry faces extreme temperature, pressure, and corrosion conditions requiring durable, intelligent measurement.Industrial transmitters, flow meters, and analyzers ensure signal stability, corrosion resistance, and reliable control across exploration, processing, and storage systems.
High Pressure and Temperature Measurement
Wellheads, separators, and refinery units operate under rapidly changing pressure and thermal conditions.Pressure and temperature transmitters with 316L stainless steel or alloy wetted parts and explosion-proof housings (Ex d / Ex ia) maintain measurement accuracy and long-term stability in demanding environments.
Corrosive and Hazardous Atmospheres
Exposure to H₂S, CO₂, chlorides, and hydrocarbons creates both corrosion and safety challenges.Flameproof, corrosion-resistant instruments constructed from Hastelloy or Monel materials ensure reliable performance and personnel safety in classified areas and gas-handling systems.
Flow Measurement and Custody Accuracy
Pipeline and process flow measurement requires consistent accuracy for energy balance and product transfer.Differential pressure, turbine, and Coriolis flow meters equipped with digital signal processing achieve repeatable performance and support HART / Modbus communication for integration with supervisory systems.
Emission and Utility Monitoring
Gas-processing and refining operations require continuous tracking of flue gas, fuel usage, and emissions.Gas analyzers and smart transmitters provide real-time data for combustion control and energy optimization, easily connected to SCADA or IoT monitoring systems for preventive maintenance and reporting.
Instrumentation Applications in the Oil & Gas Sector
Reliable measurement is vital to safe, efficient, and continuous operation across the oil and gas value chain.High-performance transmitters, flow meters, and analyzers enable precise monitoring and control throughout upstream, midstream, and downstream processes, ensuring data accuracy, process integrity, and environmental compliance.
Upstream Exploration & Production
Drilling and wellhead systems operate under extreme pressure, temperature, and vibration. Explosion-proof pressure and temperature transmitters with 316L or alloy diaphragms ensure stable monitoring in onshore and offshore wells.
Offshore Drilling & Platforms
Marine environments pose salt corrosion and vibration challenges. IP68-rated, corrosion-resistant transmitters provide reliable measurement for fluid handling, flare,
and compressor systems.
Midstream Transportation & Pipeline
Accurate differential pressure and flow measurement ensure pipeline integrity and custody transfer. Digital flow transmitters integrate seamlessly with SCADA and leak-detection systems.
LNG Storage & Distribution
Cryogenic storage demands precise level and temperature monitoring. 80 GHz radar and PTFE-coated sensors deliver stable, non-contact measurement at −160 °C.
Downstream Refining & Petrochemical Processes
Combustion, distillation, and blending units rely on continuous analytical and temperature measurement for process optimization and quality control.
Gas Flaring & Emission Control
Thermal mass flow meters and gas analyzers enable real-time flare-gas monitoring for environmental compliance and energy tracking.
Tank Farms & Terminal Automation
Radar and hydrostatic level transmitters with flow meters provide accurate inventory data, overfill protection, and integration with terminal-management systems.
Process Flow and Instrumentation Layout in Oil & Gas
Accurate field instrumentation forms the foundation of safe and efficient oil and gas operations.Across upstream, midstream, and downstream processes, precise measurement of pressure, temperature, flow, level, and gas composition supports stable operation, data consistency, and energy optimization from wellhead to refinery.
Complete Process Instrumentation for Water & Wastewater
Pressure Gauges
Leierda pressure gauges (mechanical pressure measuring instruments) for gauge, absolute, and differential pressure have been proven millions of times across industrial and process applications.
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Pressure Gauges
Leierda pressure gauges (mechanical pressure measuring instruments) for gauge, absolute, and differential pressure have been proven millions of times across industrial and process applications.
View Product >
Pressure Gauges
Leierda pressure gauges (mechanical pressure measuring instruments) for gauge, absolute, and differential pressure have been proven millions of times across industrial and process applications.
View Product >
Application Engineering
Designed for demanding conditions with high pressure, temperature, and corrosion resistance, Leierda instruments provide customizable pressure, flow, level, and analytical solutions.
System Integration
Fully compatible with DCS, PLC, and SCADA platforms, instruments provide easy I/O setup, validation documentation, and reliable signal performance for chemical, water, and energy systems.
Measurement Integrity
Each unit undergoes multi-stage calibration and stress testing under ISO and CE/Ex standards to ensure long-term accuracy and operational stability in continuous process conditions.
Global Partnership
Engineering teams cooperate with EPCs, integrators, and end users worldwide, offering technical support, training, and lifecycle services to secure process safety and uptime.
Real-World Instrumentation Cases in Oil & Gas
Instrumentation solutions are applied throughout oil and gas facilities—from offshore platforms to LNG terminals and refineries—to improve process reliability, operational safety, and environmental compliance.These examples illustrate how durable, field-proven instruments support stable measurement under demanding service conditions.
Offshore Wellhead Pressure Monitoring
Challenge
Offshore wellhead manifolds are exposed to vibration, salt spray, and temperature fluctuation.Conventional pressure transmitters were prone to corrosion and connector fatigue, causing unstable readings and unplanned shutdowns.
Solution
A marine-grade 316L stainless-steel pressure transmitter with a sealed housing (IP68) and remote diaphragm seal was adopted for the production manifold.The compact transmitter design offered strong vibration resistance and supported digital communication via HART / Modbus for integration into the existing monitoring system.
Result
After more than a year of continuous operation, the instrument maintained stable output with minimal drift.Maintenance intervals were extended, and on-site service frequency was reduced, contributing to improved equipment uptime and lower offshore maintenance cost.
LNG Storage Level Measurement
Challenge
LNG tanks operate at cryogenic temperatures (–160 °C) where traditional float-type or DP gauges often lose accuracy due to frost and insulation effects.
Solution
An 80 GHz non-contact radar level transmitter was installed on the tank dome for continuous monitoring through vapor and insulation layers.
The PTFE-coated antenna and purge connection minimized ice accumulation, while signal-processing algorithms compensated for the low dielectric constant of LNG.
Result
The radar system delivered stable and repeatable level measurement over an extended period without recalibration.Tank inventory control became more precise, boil-off gas losses were reduced, and operators gained reliable real-time data for loading and unloading operations.
Refinery Flue-Gas Analysis
Challenge
In refinery furnaces and stacks, emission monitoring systems often suffer from probe contamination and signal drift, leading to inconsistent SO₂ / CO readings and frequent manual cleaning.
Solution
A multi-gas analyzer with automatic purging, a heated sampling probe (≈180 °C), and a PTFE-lined sample path was used for continuous flue-gas analysis.The analyzer provided digital outputs (Modbus / TCP) for connection to the plant DCS, supporting continuous trend recording and alarm functions.
Result
The installation improved measurement stability and reduced calibration and maintenance frequency.Reliable emission data supported environmental reporting and improved overall plant monitoring efficiency.
Related Resources
Explore valuable content to gain insights into best practices and critical considerations when working with chemical and petrochemical systems.
Contact Leierda
Reliable instrumentation supports precision, durability, and smart integration in oil and gas measurement and control.Work with our engineering team to achieve safer, more efficient, and digitally connected operations across your process.