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High-Pressure Coriolis Flow Meters

South Fork Instruments provides expert engineering solutions that make complex processes easier to manage. Rheonik high-pressure Coriolis mass flow meters are specifically designed for extreme applications — they are the only Coriolis flow meters available with pressure ratings up to 20,000 psi (1,378 bar).

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ACCURATELY MONITOR CHEMICAL INJECTION FLOW INTO HIGH-PRESSURE, HIGH-TEMPERATURE (HPHT) WELLS

Rheonik high-pressure Coriolis mass flow meters are perfect for chemical injection metering of deep water offshore and subsea operations. Offshore deep water HPHT oil wells can have operating conditions that are pushing 20,000 psi (1,378 bar) and 360°F (182°C). With well heads as much as 60 miles (100 km) from gathering points, high-pressure operation is essential to overcome high well pressures and friction losses within the pipelines.

Can high-pressure Coriolis meters be used to continuously monitor the flow of the injected chemicals required to maintain efficiency and avoid production interruptions? Expand

Production chemicals are expensive and can account for up to 30% of the day-to-day running cost of a production platform. In order to maintain production rates, HPHT wells require the continuous injection of chemicals to prevent conditions such as hydrate formation, asphaltene/wax buildup, line corrosion, and scaling. Left untreated, wells will choke and failures will occur, and these can be expensive in terms of both lost production and repair. Reliable metering is a vital component of chemical injection systems as it is important to monitor the delivery of the right chemical dosage at the lowest possible cost.

Chemical injection systems (skids) are commonly installed on offshore oil production platforms and deliver a customized cocktail of chemicals to prevent and mitigate a wide range of downhole problems that can negatively affect production flow from wells. Rheonik high pressure Coriolis flow meters monitor chemical flows at the point of injection to ensure reliable delivery, aiding high oil production rates without the overhead of the maintenance often associated with other metering technologies.

Are high-pressure Coriolis flow meters better than mechanical gear meters? Expand

Metering for offshore chemical injection systems has traditionally been served by mechanical gear meters because of the high-pressures associated with pushing fluids into deep sea wells. However, the tight mechanical tolerances within gear meters cause them to jam when particulates are present in the flowing chemical stream, rendering them inoperative. Furthermore, internal wear over time creates measurement inaccuracy, even more so with low-viscosity materials, as they will easily pass through the meter where it is worn and not be properly registered. The cost of maintenance of gear meters used in chemical injection can be extremely high.

Given the high cost of chemical usage, there are great advantages to be found with chemical injection metering solutions like Rheonik Coriolis mass flow meters that have no moving parts to jam or wear. Rheonik’s Coriolis flow meter is the ideal high reliability/low maintenance measurement solution for high- or low-viscosity materials at high pressure for deep sea oil and gas well injection.

In which applications can Rheonik high-pressure Coriolis flow meters be used? Expand

Rheonik Coriolis mass flow meters can be used for any chemical injection task. They are density and viscosity independent and available in enclosures and materials suitable for the hash conditions commonly found offshore. They offer the right balance between capital investment (CAPEX) and operating costs (OPEX) that results in an overall lower cost of ownership.

Key features of Rheonik flow meters include:

  • The only Coriolis mass flow meter with pressure ratings up to 20,000 psi (1,378 bar)
  • Low flow capabilities down to 0.0004 lbs/min (2 g/min) with exceptional accuracy
  • Corrosion-resistant wetted material options (316L, SuperDuplex, Hastelloy)
  • Wide variety of process connections (including autoclave MP and hubs)
  • Resilient to pump pulsations
  • Low maintenance
  • Hazardous area certified
  • A wide range of connectivity options
  • Supplied with build-in advanced diagnostics
  • Cost effective and very space efficient
Which wetted materials are available in Rheonik Coriolis flow meters? Expand

Rheonik offer a wide range of standard wetted materials to suit a multitude of applications. The unique design of Rheonik Coriolis flow sensors also allows for customization with user specific wetted materials - contact us with your requirements.

Rheonik Flowmeter

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RHEONIK HIGH-PRESSURE CORIOLIS FLOW METERS ARE PERFECT FOR DEEP WATER OIL AND GAS OPERATIONS.

Production Chemical Injection
Using Rheonik Coriolis deep sea flow meters in high pressure production chemical injection systems helps guarantee flow assurance requirements are met in pipeline and process equipment, optimizing processes in production operations. Chemical injection systems deliver flow assurance chemicals into production wells that prevent wax, asphaltene and scale buildup in order to maintain the production rate of oil from them. In addition to flow assurance, production injection systems also deliver chemicals used to protect and prolong the lifetime of pipelines and associated equipment by reducing and removing corrosive substances.

Rheonik flow meters are fitted injection systems to accurately measure the dosage rates of chemicals such as corrosion inhibitors, biocides, demulsifiers, drag reducing agents, and foam inhibitors.

Produced Water Treatment Chemical Injection
When extracted from the ground, hydrocarbons are accompanied by water and the ratio of water to hydrocarbons gradually increases over the life of the well. The implementation of modern secondary and tertiary recovery processes to increase production rates has also increased water content in recovered fluids. The recovered fluids are separated on site with the water being disposed of, often by reinjection back into the oil reservoir.

Chemical injection systems provide a convenient solution for adding chemicals like biocides, antifoam agents, deoilers, demulsifiers, nitrate inhibitors, and (sodium) hypochlorites to treat produced water prior to reinjection into a reservoir. Rheonik flow meters are used in those systems to accurately monitor chemical addition rates on the high-pressure side of the injection pumps, saving wear and tear on what can be expensive and critical components in the system.

Hydrate Control
Gas hydrates are crystalline structures that can form during natural gas extraction. Hydrates attach to the internal surfaces of pipelines and inline equipment, reducing (and eventually blocking) the effective cross-sectional area in flow lines and gas handling equipment. Typical chemicals used to control hydrate formation are methanol, MEG and LDHI / KHI. High-pressure Rheonik meters are available to measure hydrate inhibitors from drip feed rates to full flow rates in 2” lines.

Consult with us about your deep-water flow measurement needs.

We'll work with you to develop customized measurement solutions for you deep-water applications, and can provide all necessary consultation, equipment, and support.

TALK TO OUR EXPERTS

Rheonik Coriolis meters can measure gas flows at very high pressures.

Rheonik Coriolis flow meters have exceptionally wide turndown, making them suitable for a wide range of compressed gas applications.  With high pressure options up to 20,000 psi (1,378 bar), they can be utilized for reliable measurement for compressed gas delivery and filling with the advantages of having no moving parts to wear and no potential leak points except for the inlet and the outlet connections.

Can Rheonik meters be used for high pressure hydrogen dispensing? Expand

Rheonik is a pioneer in the hydrogen fuel cell revolution. From the very outset, Rheonik has worked with all major hydrogen gas suppliers to produce accurate flow meters which handle the extremely high pressures associated with hydrogen dispensing. Hydrogen is transferred into fuel cell vehicles very quickly, and at pressures up to 700 bar (and higher in the future). A flow meter measuring under these conditions must be both accurate and reliable to be usable for end user point-of-sale billing.

Hydrogen fuel dispensers have been installed alongside gasoline and diesel dispensers in many filling stations around the world. Hydrogen fuel cell powered vehicles can pull up, connect a hose, and fill up their tanks, just like vehicles using traditional petroleum-based fuels.  At the heart of every hydrogen dispenser is a point of sale flow meter, which must be Weights and Measures approved to ensure customers receive the exact amount of hydrogen they pay for. Because hydrogen is sold in mass units (kg), Rheonik Coriolis meters are ideal for the application as they read primarily in mass, are rated for high pressure, and have a large measurement turndown capability.

The vast majority of hydrogen dispensers around the world are fitted with Rheonik flow meters. Dispenser manufacturers everywhere are confident that when a Rheonik meter is installed, it will provide the performance and reliability that they, their customers, and the hydrogen buying public require and demand.

Can Rheonik meters be used for point of sale metering of gases? Expand

Rheonik Coriolis meters have been specifically tested and certified to the OIML R137 standard for the dispensing of hydrogen.  In the field, the accuracy of Rheonik Coriolis meters in hydrogen dispensers is routinely confirmed using certified weigh scales, allowing them to be put into service for point of sale dispensing.  Rheonik transmitters include a lock switch to prevent internal settings and calibration from being changed.  A tamper-proof seal is applied over this switch by local Weights and Measures officials to protect consumers using the dispenser.

Can Rheonik meters be used for high pressure natural gas flow measurements? Expand

Yes. Rheonik can supply meters with pressure ratings up to 20,000 psi (1,378 bar) up to a 1” line size. High pressure natural gas has become more common in recent times as a fuel for large construction equipment and suitably equipped long distance trucks.  Rheonik meters are used in dispensers designed to fill fuel tanks on these vehicles with HPNG.

Can Rheonik meters measure gas in standard volume quantities? Expand

Rheonik flow transmitters allow a fixed or normal gas density value to be entered by the user. The value can be entered into the transmitter either through the keypad or via digital communications, and is the density of the flowing gas at standard conditions (i.e. 60°F and 1 atm).  Using this density value and live mass flow, the transmitter can display gas flow in normalized or standard gas volume units such as Nm³/h or SCF/h.

Why are Rheonik Coriolis meters better than turbine meters for high pressure applications? Expand
  • No moving parts. Turbine meters have, of course, a spinning core that rotates as gas passes through it.  Turbine shaft bearing wear is a common problem and requires the meter to be removed from the pipe periodically for maintenance and repair.  In contrast, Rheonik meters have no moving parts to wear, and so have a very low maintenance overhead.
  • Turn down. Turbine meters have a limited turndown (typically 10:1), which limits their rangeability.  Coriolis meters have, as a minimum, a 50:1 turndown where good accuracy can be expected.
  • Linear response. Turbine meters have a non-linear response to flow across their operating range.  While the designs of turbines are such that the linearity is minimized, 0.5% non-linearity is quite common.  To correct this, multipoint calibrations must be carried out and a linearization table generated.  Coriolis meters are typically linear across their operating ranges and do not require linearization in a flow computer or similar.

We Can Work With You to Develop Application-Specific Measurement Solutions.

Many of the problems posed by high-pressure environments cannot be resolved with off-the-shelf solutions. We welcome the opportunity to work collaboratively to find the solution that's right for you.

REQUEST A CONSULT

HIGH-PRESSURE CORIOLIS FLOW METERS FOR GAS MEASUREMENT APPLICATIONS.

Hydrogen Dispensing for Fuel Cell Vehicles
Rheonik is a pioneer in the hydrogen fuel cell revolution. From the very outset, Rheonik has worked with all major hydrogen gas suppliers to produce accurate flow meters which handle the extremely high pressures associated with hydrogen dispensing. Hydrogen is transferred into fuel cell vehicles (cars, buses, fork trucks, trains, long distance trucks, construction equipment) very quickly, and at pressures up to 700 bar (and higher in the future). A flow meter measuring under these conditions must be both accurate and reliable enough to be usable for end user point-of-sale billing.

Billing Meters on Trucks Delivering Gases (i.e. hydrogen, LPG)
Very few filling stations are connected to pipeline infrastructure carrying gases such as hydrogen and LPG; for those who are not, it falls to trucks to deliver these gases into local storage at filling stations so it is available for dispensing into vehicles. In order to control and account for the quantity of gas being delivered to local sites, trucks are equipped with a flow meter that totalizes the amount of each gas transfer.  The preferred method of transfer is mass metering (particularly for hydrogen), as this does not need additional calculations to account for pressure and temperature variation.

In order to transport greater quantities of gas, truck tanks are filled to high pressure. Rheonik Coriolis mass meters are fitted to trucks/truck trailers to provide records of all gas loaded or unloaded from their transportation tank(s). Rheonik meters are rugged and stand up to the rigors of road transport, while their compact size makes for convenient installation in on-board enclosures and housings alongside ticket printers, etc. Transmitters are operated directly from the truck’s 12VDC battery supply, removing the need for additional power supply converters or external sources and can be sealed against unauthorized change of configuration and settings, protecting the integrity of the measurement at all times.

CO2 Gas Injection
Carbon dioxide (CO2) is injected into oil reservoirs in order to increase output when extracting oil.  It is an advanced oil recovery technique used in older oil reservoirs where the reservoir pressure is depleted. By injecting CO2 into a reservoir, the effective viscosity of any remaining hydrocarbon is reduced and it therefore moves more easily towards the production well where it is extracted. Another advantage of CO2 injection is that with regards to greenhouse gas emissions and global warming, CO2 injection provides a great vehicle for oil companies to offset CO2 emissions elsewhere within their operations.

CO2 is injected in relatively high volumes at pressures high enough that it becomes liquid, even supercritical.  Rheonik Coriolis meters are ideal for monitoring the amount of injected CO2 (data critical to reservoir engineers) as they are rated for the high pressures and large quantities involved.

Let South Fork Instruments help you solve your high-pressure flow measurement application.

We understand the needs of the oil & gas and alternative fuel industries, and our engineers will work to understand the challenges you are facing and provide you with the support and specific measurement equipment that you need.

TALK TO OUR EXPERTS

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