GE Oil & Gas Centrifugal & Axial Compressors
GE Centrifugal & Axial Compressors 3 Tradition, Experience and Innovation 4 Types and Characteristics 6 MCL / V series 8 BCL, RB, VH series 9 PCL series 10 SRL Integrally Geared series 11 SRL / DH series 12 Blowers D series 13 Axial Compressors AN series 14 Compressor Components 18 19 Oil and Gas Seal Systems Control Systems 20 Test Facilities 21 Service 22 25 Training Exploration and Production, Floating Production Units, LNG Pipeline and Storage Refinery and Petrochemicals 26
Tradition, Experience and Innovation GE’s Oil & Gas Business manufactures a complete range of centrifugal compressors for all major compression applications. They are used in oil & gas production, gas transportation, refinery and petrochemical industries, fuel gas boosting and other similar processes.
Types and Characteristics Horizontally-split compressors Vertically-split barrel compressors Pipeline compressors Used primarily for low and medium pressure applications in ethylene and fertilizer plants refineries, LNG for refrigeration, air compression, etc. Used primarily for high pressure applications such as ammonia, urea and methanol synthesis, refinery recycle, natural gas compression and injection and hazardous gases.
Axial compressors Single stage overhung compressors Integrally geared compressors Used for low pressure, high flow applications such as catalytic cracking plants, air service, air separation, LNG, nitric acid and GTL applications. Used as boosters or recycle compressors in many petrochemical applications, such as polyethylene, polypropylene, ethylene oxide, chlorine, sulfuric acid plants, MVR.
MCL / V series MCL compressors are designed in several sizes and pressure ratings to cover different applications. The compressor casing is either cast (cast-iron, cast steel) or fabricated. The diaphragms are cast-iron, cast steel or fabricated. The impellers and diffusers are selected from a wide range of standard stages in accordance with the application and desired performance. The radial and thrust bearings are of the tilting pad type.
Double stage models (2MCL) are used when intermediate cooling is required or when a process calls for two separate compression stages. 2MCL compressors have the same general features as the MCL type with the two compression stages in a back-to-back arrangement. Additional side stream nozzles can be provided with the 3MCL model for special requirements such as in refrigeration applications, particularly for propane in LNG plants. All connections can be oriented upward or downward to meet plant layout needs.
BCL, RB, VH series These compressors are designed to cover a wide range of applications and pressures (hydrogen mixtures, hazardous gases, high pressure). Casings can be rolled steel or forged with one or two end covers bolted or secured by shear rings. For improved performance, diaphragms are, when practical, 100% machined. Radial and thrust bearings are of the tilting pad type. Active Magnetic Bearings are also available as an option.
PCL series These compressors have been designed to meet the range of flow and compression ratios required by gas pumping stations. A variety of standard casing sizes are available to cover a wide range of gas flow. The same casing can house different numbers of impellers to optimize performance in terms of efficiency, compression ratio and operating range. Field modification of the impeller configuration can be made to accommodate changes in operating conditions.
SRL Integrally Geared Series Integrally Geared Compressors are used in several petrochemical applications, either for low-flow/high pressure, or high-flow/low pressure conditions. This type of compressor has a bull gear and from one to four high speed pinions. One or two impellers can be mounted on each pinion-shaft. Optimal impeller speed and the ability to inter-cool compression stages guarantee very high efficiency.
SRL / DH series Overhung compressors are mainly used as boosters in petrochemical applications or for recycle in polypropylene and polyethylene plants. The single-stage overhung configuration is simple and easy to maintain. Almost all gases can be handled by this type of compressor with appropriate construction materials and seal systems.
Blowers D series The Blower compressor is a low-pressure, single-stage overhung design typically utilized where a tough process gas application requires a relatively high flow of gas at a moderate differential pressure. It features a compact, efficient design and the ability to handle a wide range of applications.
Axial Compressors AN series Axial compressors are designed for high volume, relatively low pressure applications and have high efficiency and a broad operating range. An external fabricated horizontally split casing holds an inner stator blade carrier. The first stator blading rows are adjustable by external devices for better performance control and for broader operability. The number of blade rows is variable to better fit the process needs.
Compressor Components Casings Depending on the compressor family the casings can be - Horizontally split - Vertically split Horizontally-split casings consist of two half casings joined along the horizontal centerline. All connections such as suction and discharge nozzles, side stream nozzles (if any) and oil piping are normally fitted to the lower half so that the upper half becomes an easily removable cover.
velocity is transformed into pressure) and the return passage to channel gas to the eye of the next impeller. The discharge diaphragm forms the diffuser for the last impeller as well as the discharge volute. The diaphragms are usually horizontally-split.
Compressor Components Seals Labyrinth seals Dry gas seals Shaft end seals eliminate or minimize the leakage of compressed gas or the entry of air into the compressor casing. Depending on the nature of the gas to be compressed and on the degree of sealing to be achieved, different types of seals may be used. They are used when the properties and pressure of a gas permit a minimal leakage. The labyrinths are made of light alloy or other corrosion-resistant material and are easily replaceable.
Bearings Hydrodynamic bearings - Journal bearings Tilting pad bearings are generally used, and are normally equipped with thermocouples to monitor the bearing temperature. - Thrust bearings Double-acting, tilting pad bearings with an equalizing device are typically installed. The bearing pads can be fitted with thermocouples for temperature monitoring and with load cells in high pressure applications to measure axial thrust.
Oil and Gas Seal Systems Oil systems Gas seal systems Pre-engineered solutions, designed in accordance with API 614 are implemented for continuous compressor operation. Integrating the experience from the large number of units in operation ensures high reliability and short cycle times. The oil system can be a separate console or be integrated with the compressor base plate for compact packages that are easy to install on-shore or off-shore including special criteria for FPSO applications.
Control Systems With extensive experience as a manufacturer of compressors and all types of drivers, and engineering and field services for compression stations, our specialized teams develop systems to control the equipment packages and the associated auxiliaries or processes as required.
Test Facilities Centrifugal compressors are carefully tested throughout the manufacturing process in order to guarantee a perfect match to their design criteria and to assure long lasting, continuous operation.
Service GE’s Oil & Gas business provides a complete set of services to support the entire centrifugal & axial compressor product line. We offer an extensive portfolio of proactive and interactive service products such as condition-based maintenance, Conversions, Modifications and Uprates (CM&Us) and Contractual Service Agreements (CSAs) complementing the traditional service offerings of OEM spare parts, repairs, and field services. Our innovations are not limited to mechanical engineering.
Training GE’s Oil & Gas business offers Training for the Operation and Maintenance of our complete line of machinery and equipment. This Training can be provided either at the client’s site or at the Learning Center located at the GE Infrastructure Oil & Gas headquarters in Florence, Italy. Instructors are field-seasoned experts who combine their understanding of theory with practical experience.
Exploration and Production, Floating Production Units, LNG BCL 406/B + BCL 305/C + BCL 305/D compressor driven by MS5002 Gas Turbine installed in Venezuela BCL 406/B + BCL 305/C driven by MS5002 Gas Turbine installed on Nkossa platform - Congo Ekofisk platform - North Sea Mixed refrigerant train AN 200 axial compressor and 2BCL 806 Centrifugal Compressor, driven by MS7001E-A Gas Turbine - Malaysia 23 GE Centrifugal & Axial Compressors
Pipeline and Storage A PCL 1002 booster compressor on the Soyuz gas pipeline PCL 800 San Fergus The PCL 802 centrifugal compressor boosting natural gas on board the main Ekofisk platform GDF Chemery Gas Storage PCL compressor installed in Transcanada pipeline Storage to Pipeline Compressor Gazprom 24 GE Centrifugal & Axial Compressors
Refinery and Petrochemicals Ammonia synthesis Mesaieed - Qatar Ammonia synthesis Refrigeration train in an Ammonia plant, Turkmenistan Steam recompression evaporation - USA Urea synthesis compressor trains in a petrochemical plant - Qatar 25 GE Centrifugal & Axial Compressors
Compressor Specifications Driver Type Comments GT or EM Re-injection: Ultra High Pressure Sour Gas 20 (290) up to 100,000 (up to 58,800) 130 (1,900) 40,000 (54,400) 3,600-13,000 GT; VSDS; hydraulic converter or High Speed Motors Oil free trains (AMB) • • • • • • • -0,9 (-13) up to 500,000 (up to 294,000) 40 (580) 70,000 (95,200) 3,000-15,000 ST; EM or VSDS Cryogenic down to - 100°C available • -0,9 (-13) up to 350,000 (up to 206,000) 70 (1,000) 15,000 (20,400) 3,000-50,000 EM; ST po
Product Line Range 27 GE Centrifugal & Axial Compressors
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