Alderley has been providing measurement solutions to the world's Oil, Gas and Process Industries for over 50 years with over 500 metering and proving systems reliably operating in some 40 countries worldwide.

Computer Control and Metering Systems

All fiscal or custody metering systems require solid and incorruptible flow computer technology. Alderley's experience in this sector is considerable, beginning as it did with its connections to Kent Instruments.

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Experience and Skill

Alderley's experience of conventional metering systems spans 45 years. Just some of the many projects we have built are shown here.

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Gas Metering

Alderley has been supplying metering systems for over 45 years has grown into a world leader in the supply of systems to meter gaseous hydrocarbon products. Our experience in providing high accuracy metering systems coupled with our expertise in the latest technological developments makes us the leading choice for your metering requirement. Our experience includes the design and manufacture of gas ultrasonic metering systems using 36” meters, as well as systems operating at 10,000psig.

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Innovative Solutions

There are simply too many of the company's "firsts" to be shown. Here are some examples.

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Liquid Metering

Alderley has been supplying metering systems for over 45 years and has grown into a world leader in the supply of systems to meter liquid hydrocarbon products. Our experience in providing high accuracy metering systems coupled with our expertise in the latest technological developments makes us the leading choice for your metering requirement.

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Loading and Unloading Skids

The skills learnt in the design and manufacture of fiscal or custody metering packages are put to good use in the construction of loading and unloading skids. These systems can have harsh treatment in operation, and special consideration is given to ease of operation and accessibility.

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Mass Metering

For some applications, coriolis mass-meters offer a technical solution for metering of difficult fliuds. Oils with high viscosity and solids content can harm more traditional meters and fiscal accuracy can be achieved with careful system design. Coriolis or mass metering has come a long way since Alderley helped with its introduction to the North Sea in 1993.

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Oil and Gas Analysis

Most larger fiscal or custody packages require some level of quality analysis. Alderley's turnkey solutions supply all these most necessary ancillaries.

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Ultrasonic Meters

Alderley have been amongst the first to apply ultrasonic flow metering techniques to gas and oil in custody and allocation systems. Our earliest ultrasonic gas systems date from 1995, and the liquid ultrasonic from 1997.

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Our process capabilities include produced water treatment (PWT) and water injection systems.

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Desanding Hydrocyclones

In order to meet the ever demanding environmental constraints for emissions, Alderley have developed a range of high efficiency ceramic desanding hydrocyclones for the removal of solids from produced water. The desanding cyclone is manufactured from high purity alumina and represents a drive in Alderley policy towards design and manufacture using Best Available Technology and incorporating continuous improvement.

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Flotation and Degassing

Over the past 20 years, the hydrocyclone has become the primary treatment mechanism for free oil removal from oilfield produced water. Rising levels of environmental concern however have led to the need to meet increasingly arduous discharge limits, such that new complementary technologies must be used to supplement the hydrocyclone's performance and reduce not only the free oil levels in discharge waters but also engage the problem of dissolved hydrocarbon content.

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Liquid Hydrocyclones

Alderley have developed the AP-20 liquid-liquid hydrocyclone to ensure we can provide the most efficient solutions to meet the constantly reducing produced water discharge limits. The AP-20 is capable of reducing outlet levels of oil-in-water to less than half that of other hydrocyclone designs.

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Oilfield Deaeration

Dissolved oxygen continues to be a significant issue in the design and operation of Oilfield Injection and Produced water treatment systems. Proven oxygen removal technologies in the form of gas strip and vacuum deaeration processes are extensively used by the Oil Industry to combat these concerns, both onshore and offshore.

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Produced Water Polishing

Where the ultimate goal is zero discharge, we have a range of products to meet the requirements. Alderley’s tertiary treatment range includes media filters, the COP System (coalescing filter) and absorption filters to reduce the oil levels in the produced water to below the required limits. Alderley’s H2S strippers provide removal of the highly corrosive hydrogen sulphide gas that can cause stress cracking, or more usually prevent H2S being discharged overboard into the environment.

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Produced Water Treatment

As assets mature, and produced water volumes increase, operators face major problems in dealing with the resultant process issues. On the other side of the equation, increasingly stringent discharge specifications, including the implementation of CO2 emission quotas, limit the disposal options open to the operator.

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Separators & Collection Vessels

Assessment of the gas/oil/water ratios is critical to oilfield development. Alderley’s upstream two and three phase separators are designed according to international standards. Alderley’s collection vessels are used as a buffering system to prevent surging to the production facility.

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Solids Cleaning

A solids wash cyclone can be used to cleanse solids prior to disposal, recycling the material from the accumulator vessel as required to attain the desired level of cleanliness. A guaranteed level of oil entrainment on the solids can thus be maintained. Alderley’s solids treatment system design is such that these systems can be incorporated as necessary in the overall produced water treatment package.

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Water Injection Systems

In addition to our Produced Water Treatment capability, Alderley design and integrate complete Water Injection Systems for enhanced oil recovery, incorporating some of the Best Available Technology for each process item.

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Wellhead Desanding

The Wellhead Desander is a unique application of Desanding Hydrocyclone technology, able to operate at Wellhead conditions and withstand severe erosion. In some production operations it is necessary to eliminate sand at the front end of the process.

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Specialised Management Services Ltd (SMS), are providers of hydraulic solutions to the oil and gas industry. Solutions supplied encompass the complete control requirements for onshore field, offshore platforms and pipelines, providing integrated systems designed to optimise oil and gas production.

Chemical Injection Systems

The Chemical Injection Skid is designed to be installed on a fixed production facility, where the area is classified as �Zone 1�, �Gas Group IIB�, and �Temperature Class T3� environment where hydrocarbon gases may be present. The Chemical Injection Skid is designed for operation with Methanol fluids. The Methanol Injection Skid provides a supply of Methanol at 280 Barg at a calibrated flow rate up to 75 litres / hour.

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Choke Control Panels

Choke Control Packages are designed in house to SMS or Client defined specifications. Using the very latest design technologies and components SMS are able to offer high quality, well designed and constructed systems with a proven track record for being reliable and maintainable. This coupled with our favourable supplier framework agreements means we are able to fast track the delivery period and ensures we are able to meet your key project deliverables of cost, quality and delivery.

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Wellhead Control Panels

The Wellhead Control Panel (WCP) is designed to be installed on a fixed production facility, where the area is classified as ‘Zone 1’, ‘Gas Group IIB’, and ‘Temperature Class T3’ environment where hydrocarbon gases may be present. The WCP is designed for operation with mineral oil based fluids, typically ‘Shell Tellus T-15’ or equivalent.

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Alderley design and manufacture a range of control systems for the oil, gas and petrochemical markets.

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Acquire™

AcquireTM sets new standards for the rapid deployment of data acquisition and control systems using internet inspired graphics and communication techniques. AcquireTM takes real time data aquisition and control to a new level of performance, reliability and secure accessibility through allowing system integrators to create complex interactive systems quickly and without the need for customer software.

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Metering Control Systems

For almost every metering skid that Alderley provides, a metering control system is required. The Alderley scope includes for the integration of the flow computers that interconnect with the skid instrumentation, and with the Human Machine Interface (HMI), or Supervisory System which provides the platform for the information recorded by the flow computer to be presented in a clear and concise format for the operation and maintenance of the Metering System.

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Safety Systems

Alderley offer a complete range of solutions for High Integrity and Safety Control problems.

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Wellhead Control Systems

Alderley designs, manufactures, installs, commissions and services Wellhead Control Systems for the oil and gas industry.

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Alderley plc is committed to complete Customer Care and provides a full range of Support Services. The Alderley team of qualified and expert engineers is dedicated to meeting your Care Service requirements and can be tailored to suit specific support, service or repair needs.

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Care & Maintenance Contracts - Hydraulic

Supporting the philosophy of Maintenance as prevention against failure, SMS can offer Total Vendor Maintenance Contracts encompassing all service requirements for hydraulic systems, including Spare Parts Kits, Hoses, Instrumentation, Refurbishment and Repair.

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Care & Maintenance Contracts - Metering

Supporting the philosophy of maintenance as prevention against failure the Company offers Customer Contracts and Maintenance Contracts encompassing all service requirements.

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Hose Management Contracts

As part of the Customer Care range of Services SMS can provide a full Hose Management Contract to perform survey and inspection of hoses on all installations, creation, population and maintenance of a Hose Management Database and replacement of Hose in line of UKOOA guidelines.

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Installation - Support & Commissioning

SMS employs and can provide highly skilled and qualified technicians, with expertise and experience in all aspects of the installation of control systems and packages manufactured in-house, or third party hydraulic equipment and associated accessories.

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System Upgrades

Providing ongoing maintenance, service, refurbishment and support for Hydraulic Controls Equipment, SMS developed expertise to offer complete system rationalisation and system upgrades to ensure reliability, safety and minimise downtime.

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