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Associated Gas Contributes to Growth in U.S. Natural Gas Production

机译:相关的气体有助于美国天然气生产的增长

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A growing share of U.S. natural gas production is associated-dissolved natural gas, produced from oil wells, which is the result of increased crude oil production from low permeability, tight rock formations - Permian, Bakken, Eagle Ford, Niobrara and Anadarko.In 2018, associated-dissolved natural gas production in these five major crude oil-producing regions was 12.0 (Bcf/d, or about 37% of total natural gas production in these regions and about 12% of total U.S. natural gas production.Associated-dissolved natural gas, also referred to as associated gas, is natural gasproduced by oil wells. By contrast, non-associated gas is natural gas produced by natural gas wells.Some states define an oil well vs. a natural gas well differently based on different gas-oil ratios (GOR). The U.S. Energy Information Administration (EIA) uses a gas-oil ratio of 6,000 cubic feet (cf) of natural gas to 1 barrel (b) of oil (cf/b) for each year's total well production to determine whether a well is an oil well or natural gas well.If the GOR for a year of production is equal to or less than 6,000 cf/b, then the well is defined as an oil well, and any nat-ural gas produced from this well is called associated gas. In addition, the various state pressure bases used to measure natural gas volumes have been converted to the federal pressure base of 14.73 pounds per square inch absolute (psia) and 60cF.
机译:美国天然气生产的日益增长的份额是溶解的天然气,由油井生产,这是从低渗透性,紧密岩层 - 二叠纪,巴克,鹰福特,牛德拉拉和安达加罗的原油生产增加的结果。2018年,这些五大原油生产区的相关溶解天然气生产为12.0(BCF / D,在这些地区的全天然气生产的约37%,占美国天然气生产总量的约12%。相关溶解的天然气,也称为相关气体,是天然气由油井生产。相比之下,非相关气体是由天然气孔产生的天然气。一些州根据不同的气体油比(GOR)来定义油井与天然气。美国能源信息管理(EIA)使用每年的总井生产的1桶油(CF / B)的天然气对1桶(B)的气体油比为1桶(CF / B),以确定井是一个油井或天然气井。如果生产的一年的GOR等于或小于6,000 CF / B,那么井被定义为油井,并且任何NAT-由该井产生的尿素气体称为相关气体。此外,用于测量天然气体积的各种状态压力碱已被转化为每平方英寸绝对(PSIA)和60cF的14.73磅的联邦压力底座。

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  • 来源
    《Pipeline & gas journal》 |2019年第12期|18-19|共2页
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  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
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  • 正文语种 eng
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