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Skid Mounted Oil Flow Meter: Pre-Assembled Modular Layouts for Fast Field Setup
Quick Answer: A skid mounted oil flow meter is a fully assembled metering package built on a steel frame. It arrives on site pre-wired, pre-piped, and pressure tested. You connect two flanges and one power cable, then start measuring within hours instead of weeks. This design cuts installation cost by up to 60% on oil truck loading, well pad allocation, and marine bunkering jobs.
Silver Automation Instruments builds these skids for crude oil, refined fuels, lube oil, and hot asphalt. Every skid leaves our Nanjing workshop with a hydrotest report, a wiring diagram inside the junction box lid, and a nameplate showing the customer tag number. No loose parts. No missing cables. No site welding.
What Goes Into a Standard Oil Meter Skid
Most engineers start with a flow meter, then realize they need ten other components. We put them all on one frame. A typical skid for diesel loading at a depot in Malaysia included a positive displacement oval gear meter, a strainer with differential pressure gauge, a batch controller, a pneumatic shut-off valve, PT100 temperature sensor, and a check valve. The frame had drain ports, lifting lugs, and a drip tray under the meter. The customer sent us a photo of the skid sitting on a concrete pad with a pump and a loading arm on either side. Commissioning took one morning.
Silver Instruments offers skids with Coriolis mass flow meters for custody transfer accuracy, oval gear meters for high-viscosity oils up to 50,000 cP, and turbine meters for lighter hydrocarbons. Meter size ranges from DN15 to DN150. Wetted materials include 316 stainless steel, cast steel, or aluminum depending on fluid and budget. Transmitters output 4-20 mA HART, Modbus RTU, or pulse. For hazardous areas we provide ATEX Zone 1 or IECEx approved components, with flameproof or intrinsically safe wiring.
Why Pre-Assembly Matters in the Field
We have seen this on customer sites many times. A buyer orders a meter, a strainer, a valve, and a batch controller from different sources. The pipefitter arrives on site. The threaded connections do not match. The cable glands are missing. The flow conditioner is forgotten. The project manager spends three days chasing parts. A skid eliminates that chaos. Everything is aligned, bolted, and tested on a bench before it leaves the factory.
Because the skid is a single point of responsibility, site acceptance testing is faster. You test the skid as one instrument, not six separate devices. Last year a customer in Indonesia ordered a skid for marine fuel oil loading at a port in Surabaya. The skid included a Coriolis meter, an electronic flow computer, an air eliminator, and a motorized control valve. It arrived in a wooden crate with tie-down points. The crew lifted it into place, bolted four flanges, and powered up. Flow restart happened in four hours.
Sizing and Selection: Start With These Details
In practice, the conversation starts with a simple set of data. Send us your oil type, viscosity at operating temperature, minimum and maximum flow rate, pipe size, pressure, and temperature. If you have a preferred meter type, tell us. For crude oil with entrained gas, a Coriolis meter makes sense because it measures mass directly and tolerates two-phase flow up to a point. For clean lube oil around 300 cSt, an oval gear meter gives excellent repeatability at a lower cost.
Our engineering team in Nanjing sizes the meter, selects the strainer mesh, calculates pressure drop, and specifies the valve Cv. We then send a general arrangement drawing for your approval. The drawing shows overall length, width, height, lifting weight, flange standards (ANSI, DIN, JIS), and cable entry locations. Most modifications take two days. Welded frames can include forklift pockets, four-point lifting lugs, and support for a sun shade or instrument canopy.
Industries Where Skid Mounted Oil Meters Shine
Crude oil truck loading terminals in West Africa. We supplied a DN80 oval gear skid for a loading gantry in Ghana. The site manager wanted a fast installation between two existing pipelines. The skid fit with a single spool piece adjustment. The batch controller connects to a ticket printer and an access card reader. Drivers self-serve and get a printed receipt with a transaction
Lube oil blending plants in the Middle East. A customer in Jordan blends engine oils and needs additive injection. We integrated a low-flow Coriolis meter on a small skid with a dosing pump and a local display. The operator sets the batch quantity and presses start. The controller activates the pump and stops it at the target weight. Accuracy exceeds 0.2% of reading.
Marine fuel oil bunker barges in Singapore. These barges need compact, certified metering packages. Our skids include a mass flow meter with OIML R117 certification, a pressure sensor, a temperature sensor, and a flow computer that calculates volume at 15 °C. The system outputs custody transfer tickets approved by the Maritime and Port Authority. We ship with a calibration certificate traceable to national standards.
Dual Meter Skids For Continuous Blending
Some projects blend heavy crude with a diluent to meet pipeline viscosity specs. We build dual-stream skids with two independent flow meters and a ratio controller. The controller reads both meters simultaneously and adjusts a control valve to maintain a set blend ratio. A customer in Venezuela used this setup with two DN50 Coriolis meters. The skid also had a static mixer downstream to ensure a homogeneous blend before the pipeline inlet. The local operator told us the skid ran unattended for six months without a single batch deviation.
Integration With Existing SCADA and PLC Systems
Skid electronics can talk to almost any control system. Standard outputs include 4-20 mA for flow rate, pulse for totalization, and Modbus RTU for diagnostic registers. If your site uses Ethernet/IP or PROFIBUS, we add a gateway module inside the junction box. The flow computer log stores up to four years of hourly batch records. You can retrieve logs via USB or RS485. A water treatment plant in Queensland used our Modbus mapping to feed flow totals into their SCADA historian. The integration test took one afternoon.
What About Maintenance and Spare Parts
All components remain accessible. The strainer basket lifts out for cleaning. The meter has a removable cover for gear inspection. The valve actuator has a manual override handwheel. We supply a maintenance kit with the skid: spare O-rings, gaskets, fuses, and a set of cable glands. The documentation pack includes a loop diagram, a FAT procedure, and a recommended spare parts list with part numbers. If you need a replacement oval gear set five years later, email us the skid serial number and we ship from stock.
Quick FAQ
What is the lead time for a standard oil skid?
Four to six weeks from drawing approval. Complex custody transfer skids with multiple meters may take eight weeks. Express service is available for urgent well pad projects.
Can the skid operate in sandy or dusty environments?
Yes. We seal the enclosure to IP66 and add protective covers over display screens. For severe desert conditions we fit stainless steel cable glands and sun shields.
What approvals do your oil skids carry?
The standard skid meets IECEx or ATEX Zone 1 for gas groups IIA/IIB. We can provide third-party inspection by SGS or Bureau Veritas before shipment.
How is the skid calibrated before delivery?
We use a master meter rig traceable to ISO 17025 at our Nanjing facility. A calibration certificate ships with every skid. You can also request a field calibration kit for periodic checks.
Do you provide site commissioning support?
Yes. We can send an engineer to your site in Southeast Asia, Africa, or the Middle East. Alternatively we offer remote video commissioning where you point a phone at the skid while our engineer guides your local technician.
To get a fixed price quotation, send us your oil type, viscosity, pipe size (DN), operating pressure (bar), temperature (°C), and flow range (m³/h or kg/h). Our engineers will return a general arrangement drawing, a datasheet, and a commercial offer within two working days. Reach us at [email protected] or call +86-135-1213-1526. For quick messages via WhatsApp: 86-135-12131526 or WeChat: +86 13512131526. Our company is Silver Automation Instruments, with 15 years of field experience in packaged metering solutions.
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