[font=times] Dresser-Rand Introduces Advanced Compressor [/font]
[font=times][Color=#708090]The new HOSS™ compressor from Dresser-Rand is a larger, medium-speed unit that can be conventionally packaged with the latest, higher horsepower engines.
HOUSTON, December 13, 2007 – Dresser-Rand has introduced an innovative, high-horsepower compressor designed specifically for gas field applications that include gas lift, gas gathering, pipeline boosting, gas transmission, underground gas storage （injection and withdrawal）, fuel gas boosting, landfill gas recovery, and related applications.
As natural gas consumption grows worldwide, countries continue to increase investments in liquid petroleum gas （LPG）, liquefied natural gas （LNG）, and gas-to-liquid （GTL） projects. Driven by rising energy prices, environmental pressures, improved technologies, and growing markets, these projects increase the demand for natural gas compressors.
To meet this demand, Dresser-Rand has developed the HOSS™ compressor, a heavy-duty addition to the HOS™ （heavy oilfield separable） compressor line that has proven to be rugged and reliable in the gas field market. Also known as the "SuperHOS" compressor, the HOSS compressor can be purchased or leased in standard or custom packages through Dresser-Rand authorized distributors.
According to Gary Tas, business development manager for the Dresser-Rand Separable Reciprocating Business Unit, "The HOSS compressor was developed to meet clients‘ needs for a larger, higher horsepower gas field compressor that could still be conventionally packaged." HOSS compressors are designed for 75,000 lb. （333.6 kN） combined rod load in either tension or compression and 87,000 lb. （387 kN） frame load.
Designed and built to handle sweet natural gas, sour natural gas, propane, carbon dioxide, air, nitrogen, and most other gases, the HOSS compressor is capable of moving large volumes of gas. "It‘s an excellent fit for large compression projects involving gas gathering, gas storage, and gas transmission," Tas explained. "In fact, in some applications it can meet traditional operating requirements with a reduced number of crank throws."
Rugged Design Features and Field-proven Reliability
The HOSS compressor is available in two-, four-, and six throws. Its frame is longer, taller, and wider than the HOS compressor frame （to accommodate larger running gear）, and features integral crosshead guides （rather than bolt-on extensions） for higher load carrying capacity. The heavy-duty, forged steel crankshaft is balanced and rifle-drilled for pressure lubrication and has counterweight on two- and four-throw frames to minimize horizontal moments.
The HOSS compressor uses the high-pressure lineup of HOS cylinders. Because the piston rod size in the HOSS compressor （as contrasted to the HOS model） has been increased to 2.875 in （73 mm）, the HOSS requires a different piston and rod, packing case, and associated machining at the frame end to accommodate both. Pistons are attached to the rod using a Superbolt torque nut that eliminates the need for v-blocks and special tools when servicing the piston and rod.
About Dresser-Rand
Dresser-Rand is among the largest suppliers of rotating equipment solutions to the worldwide oil, gas, petrochemical, and process industries. The company operates manufacturing facilities in the United States, France, Germany, Norway, and India, and maintains a network of 27 service and support centers covering more than 140 countries.
For information about Dresser-Rand, go to its website at: www.dresser-rand.com. [/color][/font]
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