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The Indiana gas boom was a period of active drilling and production of natural gas in the Trenton Gas Field, in the US state of Indiana and the adjacent northwest part of Ohio The boom began in the early 1880s and lasted into the early twentieth century. When the Indiana natural gas belt was discovered, the citizens were unaware of what they had found; nearly a decade passed without action to recover the resource. Once its significance was realized, further exploration showed the Indiana gas belt was the largest deposit of natural gas discovered until then. In addition to the massive quantity of natural gas, in the 1890s developers discovered that the field also contained the first giant oil reserve found in the United States, with an estimated one billion barrels of oil. The resource was rapidly tapped for use. Because the gas was being wasted in use, the Indiana General Assembly attempted to regulate its use. In a series of cases, the Indiana Supreme Court upheld the constitutionality of the law. The poor understanding of oil and gas wells at the time led to the loss of an estimated 90% of the natural gas by venting into the atmosphere or by widespread misuse. By 1902 the yield from the fields began to decline, leading to a switch to alternative forms of energy. With most of the gas removed from the field, there was no longer enough pressure to pump the oil out of the ground. An estimated of oil remain in the field. Advancements in artificial lift technology have led to extraction of some of the oil, but at a relatively slow rate and high cost compared to more productive fields. ==Discovery== Natural gas was first discovered in Indiana in 1876. Coal miners in the town of Eaton were boring a hole in search of coal. After they reached a depth of about , a loud noise came from the ground and a foul odor came from the hole. The event scared the miners. Some believed that they had breached the ceiling of Hell. They plugged the hole and did not drill any more at that location.〔Gray, p. 187〕 In 1884, natural gas was discovered in Ohio and the news of the discovery was published in the local Indiana newspapers. Residents of Eaton remembered the early incident near their town and realized the magnitude of the discovery. Returning to the site, a company reopened the hole and drilled down another deeper, releasing a large amount of gas. When the escaping gas was ignited, the flame reached twelve feet into the air and could be seen from the neighboring town of Muncie. Gas fever swept the state and thousands of gas wells were created. Explorers found that the gas field was the largest of natural gas fields found up to that date,〔Glass, p. 11〕 covering an area of . The belt came to be called the Trenton Gas Field. Drillers found large quantities of oil in addition to the natural gas.〔 The Trenton Gas Field was almost completely interconnected, so a well at any one location lowered pressure across the entire field. Whenever new holes were bored, a pipe was created off the main line. It was lit with a constant flame as proof that the gas was flowing. Although burning such a flame wasted massive amounts of the resource, the practice became common. The constant burning gas flare was called a ''"flambeau"''. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Indiana gas boom」の詳細全文を読む スポンサード リンク
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