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SOUTH ROCKIES BUSINESS UNIT
Gas Gathering
Two typical types of compression.
Gas Driven: Can be set as Permanent, or Temporary
Electric Driven: Normally a Permanent Installation
SOUTH ROCKIES BUSINESS UNIT
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Temporary Gas Compression
SOUTH ROCKIES BUSINESS UNIT
Temporary Gas Driven Compression
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Rig Counts: North Parachute - 10 Rigs Eureka - 2 Rigs
Permanent Indoor Gas Compression
SOUTH ROCKIES BUSINESS UNIT
Compressor Gas Cooler Fans (Air Exchangers)
Air exchanger fan blades are one of the biggest source of noise from the fan tip speeds.
EnCana is looking at having bigger exchanger boxes installed on new applications, to be able to slow the fan tip speeds down
One new innovation is the new “Whisper Tip” fan blades. These new fan blades cut the sound level in half.
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Different Types of Coolers – Vertical and Horizontal
Permanent Indoor Gas Compression
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Permanent Gas Compression
Horizontal Coolers with Extensions to Mitigate Sound
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Permanent Gas Compression
3 Horizontal Coolers with Extensions to Mitigate Sound
SOUTH ROCKIES BUSINESS UNIT
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Electric Compression Electric driven compression has no
exhaust, but requires cooling of the gas with horizontal air fan exchanger.
Limitations are power supply requirements and installation costs
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7500 Hp Electric Compression
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1500 Hp Electric Refrigeration Compression
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EnCana uses two different muffler manufacturers.
Power Therm---The Power Therm’s are a “Critical Grade” muffler, which is a reduction of 29-35 Dba.
Miratech---The Miratech’s are listed as a “Hospital Grade”, which is a reduction of 30-35 Dba.
Muffler stacks are normally cut on a bevel to direct sound to the most desirable direction.
SOUTH ROCKIES BUSINESS UNIT
Gas Gathering
Typical Muffler Design.
Most have a Catalyst section for emission control, and can either lay
horizontal, or stand vertical
SOUTH ROCKIES BUSINESS UNIT
What is Encana doing to reduce compressor noise
EnCana is currently exploring several new technologies for sound control.
EnCana is using third party sound suppression experts to help us better understand how sound travels, and the different sound frequencies
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