Before this project, the company would address compressor unit outages by rapidly mobilizing resources, resulting in high-cost reactive maintenance. Lubrication Engineering, Vol. As new sources of natural gas from the Marcellus and Utica shale formations in Pennsylvania, West Virginia, Ohio, and New York have made transporting gas a priority, demand to transport gas from its source to delivery points throughout the country adds flow-control stress and the potential for malfunction. The methane gas solubility in PAG is roughly half that for a PAO and petroleum oil, and that solubility was nearly as high in the PAO as in the petroleum oil. 8, p. 463-470. When summer demand was lower, there was a large window for planned downtime and preventive maintenance (PM). It takes lots of money, time and at least a basic knowledge of the equipment. Power, p. 43-45. Different Types of Compressors. Development of a Synthetic Compressor Oil Based on Two-Stage Hydrotreated Petroleum Basestocks, Lubrication Engineering, Vol. Finally, various tests that have been reported for use with compressor lubrication have been summarized. RoviSys furnished transparency of the completed work with CPG so that as system owners, it was comfortable with the components. For customers in the Northeastern U.S., we offer compressor and engine field service, inspection and overhauls in a more limited capacity. The maintenance of industrial plants represents large annual revenues for several industries. Search Products And Discover New Innovations In Your Industry. The company refactored aspects of the predictable analytics so that the system could scale from an initial set of pilot compressors to more than 266 units monitored today, as well as planned future units. Verneigt Brennstoff-Chemie. Erdöl kohle- Erdgas-Petrochem. Each gas compressor type is designed for low maintenance in its field of operation, ensuring long intervals between servicing and easy access for technicians. Owning an air compressor is a big responsibility. Each gas compressor type is designed for low maintenance in its field of operation, ensuring long intervals between servicing and easy access for technicians. CPG owns 15,000 miles of interstate pipeline across 16 states. The final design selection depends on numerous factors. In 2010, Houston-based Columbia Pipeline Group (CPG) had a compression asset failure that interrupted service and had the potential to create customer dissatisfaction. (1990). The history for the unit showed that cylinder 1 typically operated near the same temperature as the other cylinders and that the unit was currently operating at 76% of its rated brake horsepower load. READ THOROUGHLY BEFORE ... shaft power into gas compression in a relatively small space Best Cities for Jobs 2020 NEW! Apply to Technician, Gas Technician, Field Service Technician and more! The primary maintenance effort involves five basic systems: controls and accessories, combustion, turbine, generator, and balance-of-plant. Reciprocating; Rotary; Centrifugal; Axial; Diagonal; Scroll; Diaphragm; Module 2 – Relationships between Temperature and Pressure in Gas Undergoing Compression. Centrifugal compressor … This information prompted the analyst to contact the team at the station. As temperatures and pressures increase, the stress on the lubricant increases as well. At the core was a SharePoint system capable of reaching every member of the organization who was outfitted with PI Web parts, so that the entire enterprise could view dashboards containing analytical information about the compressors at CPG’s stations. This was accomplished through strong working relationships and documented processes. Course Objectives important functions, such as generating compressed air or gas for instrument equipment, for gas lift and to deliver gas. turbine compressors. The architecture needed significant expansion to support the desired tools. Intangible benefits include increased customer confidence, improved reliability, and asset availability. Rotary compressors with final pressures below 1 mega Pascal (MPa), approximately 145 psi, are less difficult to lubricate. 34, No. For customers in the Northeastern U.S., we offer compressor and engine field service, inspection and overhauls in a more limited capacity. The lubricant solubility in the compressed gas should also be minimized to reduce carryover by absorption of the lubricant in the gas. Columbia needed to maximize throughput and reduce unplanned downtime of its compressors to keep up with the increasing market demands-especially in places where the compressor station is critical to transporting gas to key customers. It aims at expanding the application of reliability-centered maintenance (RCM) in maintenance schedule making to preventive maintenance decision-making online and seems suitable for maintenance of natural gas compressor stations. We also provide a full range of field services for gas compression ignition and control systems including installation, maintenance and diagnostic troubleshooting. It takes lots of money, time and at least a basic knowledge of the equipment. 34, No. Having trained and experienced personnel to maintain your critical process compression equipment can sometimes be a struggle. Each impeller imparts velocity (kinetic) energy Because increasing gas solubility decreases viscosity, at some point the viscosity reduction of the compressor lubricant may be too much, and lubrication failure may result because of loss of hydrodynamic lubrication, Figure 2. procedures for performing maintenance on gas. In this article, the basic principles of natural gas composition and its compression have been discussed. The RoviSys engineering team set out to design a system with the following criteria: Upon implementation, the process for cutting over from the old PI system to the new system was seamless. Main Responsibilities . Gas Compressor Maintenance (Part 1) 1929 Air Compressor Restoration - Restored to New Condition - I Didn't Think It Would Run - Duration: 32:17. Compressor Designs, Inc. (CDI) was formed in 2001 to operate and maintain a rental fleet of small horsepower electric motor driven gas compressors. Flash Gas Compressor Utilized during the initial phase of gas treatment, the Flash Gas Compressor must pressurize the vapor that is produced. 8, p. 459-464. Trim Compressed Air Cost with Synthetic Lubricants. 3.2 Operating experience with a speed controlled air compressor 3.3 Performance comparison in natural gas compressors 3.4 Expected valve lifetime depending on the application 4. Four-Stage Barrel Compressor. Can Transmission Fluid Replace Compressor Oil? The primary component of any such station is the actual compressor unit. TURBINE ENGINES. Monitor the gas content as you purge. Compressor stations are outposts placed at various regular points along a natural gas pipeline that house the equipment needed to main the proper pressure gradient needed to ensure delivery. The unit is already out of service and operations personnel must react to the situation. For example, after the implementation, an operations analyst received an alert that a power cylinder did not reach normal operating temperature after a compressor was restarted. Also, two additional PI environments were designed and implemented: one for CPG to develop new analytic concepts and the other for early adopters to test those concepts before deploying the technology to the entire enterprise. After further investigation, the analyst noticed that there was a 500 F difference between the exhaust temperate for cylinder 1 and the other cylinders. This setup provided a place for analytics to run, tens of thousands of data points to be organized by physical asset, analysts to receive e-mail notifications, and users to view data in a Web portal. This offers operations and mechanics the option to choose when maintenance should be performed. Mang, T. and Jünemann, H. (1972). Compressor Designs, Inc. (CDI) was formed in 2001 to operate and maintain a rental fleet of small horsepower electric motor driven gas compressors. Matthews, using a constant pressure flow through a load (gravimetric) cell evaluated the absorption of the lubricant in natural gas. BACKGROUND In the oil and gas industry, compressor has several. Easy gas compressor operation. and gas quality. 4, p. 18-21. Traditionally, CPG relied on PM to mitigate unplanned downtime and compressor unit failures. 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