Gas compression

For a long time, it was an established fact of life in natural gas generation and management that some degree of vapor will be lost to the atmosphere. This is viewed as an inevitable Cost of conducting business as possibly saleable merchandise was allowed to escape. The gas lost can occur at any one or at multiple stages of products. From: extraction; filtration and processing; to compression and storage; and finally transport. During the extraction phase there could be a gap between the pipe and ground or a small crack mm big in the pipe which would allow the gas to squeeze out. During the filtration and processing any faults with the equipment can lead to a leak. An interesting side note is that gas filtration is a similar process to air classifiers, where the gas passes through several filter blocks or chambers with heavy particles are scoped up and collected. During compression and storage, an fault with the equipment could lead to a serious issue as now the gas is under an artificially high level of pressure, and an explosion is possible. The final stage is transporting the gas, via pipeline or ship or lorry. Again there are places and times when the gas could escape. Sadly mainly have become complacent with these issues.

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 Luckily this state of mind is changing, with the change driven by the realization that significant revenues are being allowed to actually disappear into thin air, while elevated governmental regulations regarding the quantity and types of vapours which could be properly emitted into the environment without negatively impacting the environment are being considered. Chances can be found for compressor manufacturing companies to supplement their sales since there are lots of points along the natural gas generation chain where converters may be used.

These entry points include offshore oil programs, well sites, venting and flaring systems, natural gas processing, central tank batteries and field terminals. Several types of compressors are tested in the hope of identifying the technology that may best catch, contain and recover natural gas vapours. Samples of some of the prevalent compressor technology which have been utilized in the oilfield are screw, rotary vane and scroll patterns. While they do provide some functional benefits in vapour recovery applications, they've crippling shortcomings that affect their procedure and, in combination, might lead to improved maintenance costs and downtime, that will decrease generation. All 3 of those compressor types are limited in the quantity of pressure they could manage and the level of flow they could provide.

To put it simply, compressors that cannot operate efficiently in high pressure applications or do not have the skill to deliver improved flow rates are an obstacle in the oilfield. None of those compressor types have been created to offer vapour emission containment that is a growing necessity in the market. Every one of those shortcomings make screw, rotary vane and scroll compressors a substandard option in natural gas generation and containment applications. The best answer for natural gas management in the oilfield is using the latest technologies and products. Many models, can be found in both single- and two stage configurations, feature a Distance piece compartment which gives the user maximum control of any vapour that would typically vent into the crankcase while also avoid any oil that's present from damaging the natural gas flow. This design provides both the purity of the retrieved natural gas, along with stopping the lack of any saleable product and the emission of possibly harmful vapours into the atmosphere.