Term for gas with significant amounts of hydrogen sulfide
Sour gas is natural gas or any other gas containing significant amounts of hydrogen sulfide (H2S).
Natural gas is usually considered sour if there are more than 5.7 milligrams of H2S per cubic meter of natural gas, which is equivalent to approximately 4 ppm by volume under standard temperature and pressure.[1][2] However, this threshold varies by country, state, or even agency or application. For instance, the Texas Railroad Commission considers a sour gas pipeline one that carries gas over 100 ppm by volume of H2S.[3] However, the Texas Commission on Environmental Quality has historically defined sour gas for upstream operations – which requires permitting, reporting, and possibly additional emission controls – as gas that contains more than 24 ppm by volume.[4][5] Natural gas that does not contain significant amounts of hydrogen sulfide is called "sweet gas".
Although the terms "acid gas" and "sour gas" are sometimes used interchangeably, strictly speaking, a sour gas is any gas that specifically contains hydrogen sulfide in significant amounts, whereas an acid gas is any gas that contains significant amounts of acidic gases such as carbon dioxide (CO2) or hydrogen sulfide. Thus, carbon dioxide by itself is an acid gas, not a sour gas. In addition to being toxic, hydrogen sulfide in the presence of water also damages piping and other equipment handling sour gas by sulfide stress cracking. Natural gas typically contains several ppm of volatile sulfur compounds, but gas from one well in Canada is known to contain 90% hydrogen sulfide and others may have H2S contents in the tens of percent range.[6]
^NaturalGas.org website page Processing Natural Gas
^Air Dispersion Modeling Conversions and Formulas
^Pipeline Definitions Archived 2012-05-02 at the Wayback Machine Railroad Commission of Texas.
^Permit by Rule Chapter 106 - July 31, 2008 Scroll down to PDF page 38 of 58 PDF pages.
^Oil and Gas Handling and Production Facilities Title 30 Texas Administrative Code § 106.352(l) Texas Commission on Environmental Quality (TCEQ). Scroll down to page 2.
^Cite error: The named reference Ullmann was invoked but never defined (see the help page).
Sourgas is natural gas or any other gas containing significant amounts of hydrogen sulfide (H2S). Natural gas is usually considered sour if there are...
once a gas is mixed with water, if the resulting mixture has a pH of less than 7 that means it is an acidic gas. The term/s acid gas and sourgas are often...
concentrations the gas gives the oil the smell of rotting eggs. For safety reasons, sour crude oil needs to be stabilized by having hydrogen sulfide gas (H2S) removed...
sourgases from liquid hydrocarbons such as liquified petroleum gas (LPG). Gases containing H2S or both H2S and CO2 are commonly referred to as sour gases...
need for gas imports. ADNOC SourGas is 60% owned by ADNOC with the remaining equity held by Occidental. It is previously known as Abu Dhabi Gas Development...
associated gas. The natural gas industry is extracting an increasing quantity of gas from challenging, unconventional resource types: sourgas, tight gas, shale...
Hydrogen sulfide is most commonly obtained by its separation from sourgas, which is natural gas with a high content of H2S. It can also be produced by treating...
H2S and 10% CO2, making it one of the most sour operational gas fields in the world. Sourgas is defined as gas containing a high proportion of hydrogen...
poisoning his family and farm through their attempts to extract toxic sourgas from the Peace River region of Alberta. Ludwig was born during World War...
Like sour oil, there is some natural gas naturally high in sulfur, called sourgas (natural gas with little or no sulfur is called sweet gas). The sulfur...
preferentially remove H2S (and strip CO2) from sourgas streams. MDEA's popularity as a solvent for gas treating stems from several advantages it has when...
bets on alternative energy, local gas production". ICIS. Retrieved May 15, 2018. "Bechtel, TechnipFMC win ADNOC sourgas contracts". Offshore Engineer. January...
separation, gas flows to the Offgas Compressor suction manifold. Oil is directed to the Oil Stripper where the liquid is stripped of sourgas using a counter-current...
Any excess gas from the gas separator vessel joins the sourgas from the stripping of the reaction product liquid. The liquid from the gas separator vessel...
flocculating agent. Related compounds are used in gas purification, e.g. removal of hydrogen sulfide from sourgas streams. The bitartrate salt of DMAE, i.e....
climate." The Pembina Institute was formed following the 1981 Lodgepole sourgas accident in Alberta, which killed two people and polluted the air for weeks...
otherwise would clog downstream Claus catalyst. Gases containing ammonia, such as the gas from the refinery's sour water stripper (SWS), or hydrocarbons are...
large deposits of sourgas, of which can be disturbed by simply walking over top of the pockets, causing them to expel the toxic gas hydrogen sulphide...
The total volume of the gas in place of this field is about 58.9×10^12 cu ft (1.67×1012 m3) and the recoverable volume of sourgas is approximately 47.2×10^12 cu ft...
four sourgas wells very near to the southeast quadrant of the city. The Energy and Utilities Board of Alberta has ruled that in the case of a sourgas leak...
contact poison, in addition to its corrosive damage. Naturally occurring sourgas is a fast-acting atmospheric poison, which can be released by volcanic...
construction of its Second Generation Project (SGP) and the introduction of sourgas injection (SGI). This onshore development, which has been in the planning...
without its difficulties, however, as demonstrated by the sourgas project at Shah where the gas is rich in hydrogen sulfide content and expensive to develop...
typical levels of nitrogen and carbon dioxide. Water (wet gas) and hydrogen sulfide (sourgas) contaminate APG at more varied levels. Helium is present...
refineries Natural-gas processing National Occupational Research Agenda Oil and gas Extraction Council Nelson complexity index Sourgas Atmospheric distillation...
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