GAS FLOW AROUND A BOREHOLE IN A COAL BED AND ITS APPROXIMATE EXPRESSIONS - 1. THE CASE OF A BOREHOLE WITHIN A BOUNDED CIRCULAR AREA.

HIDEFUMI OMUTA; RYUICHI ITOI; KEN GOTOH

doi:10.2473/shigentosozai1953.98.1127_21

GAS FLOW AROUND A BOREHOLE IN A COAL BED AND ITS APPROXIMATE EXPRESSIONS - 1. THE CASE OF A BOREHOLE WITHIN A BOUNDED CIRCULAR AREA.

HIDEFUMI OMUTA, RYUICHI ITOI, KEN GOTOH

エネルギー資源工学

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

抄録

THIS PAPER PRESENTS AN EASY METHOD FOR CALCULATING BOTH THEAPPROXIMATE DISTRIBUTION OF GAS PRESSURE AND THE GAS FLOW RATE THROUGH A BOREHOLE WITH A BOUNDED CIRCULAR AREA UNDER CONSIDERATION OF ABSORBED GAS. IT WAS FOUND THAT THE GAS DRAINAGE PERIOD IS LONGER IF ABSORBED GAS WAS TAKEN INTO ACCOUNT AND A LARGER BOREHOLE CANNOT SHORTEN THE PERIOD SO MUCH. THESHORTENING OF BOREHOLES INTERVAL IS MORE EFFECTIVE FOR THE PURPOSE. IN JAPANESE WITH ENGLISH ABSTRACT.

本文言語	英語
ページ（範囲）	21-28
ページ数	8
ジャーナル	NIPPON KOGYO KAISHI
巻	V 98
号	N 1127
DOI	https://doi.org/10.2473/shigentosozai1953.98.1127_21
出版ステータス	出版済み - 1982

!!!All Science Journal Classification (ASJC) codes

工学（全般）

文献へのアクセス

10.2473/shigentosozai1953.98.1127_21

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abstract = "THIS PAPER PRESENTS AN EASY METHOD FOR CALCULATING BOTH THEAPPROXIMATE DISTRIBUTION OF GAS PRESSURE AND THE GAS FLOW RATE THROUGH A BOREHOLE WITH A BOUNDED CIRCULAR AREA UNDER CONSIDERATION OF ABSORBED GAS. IT WAS FOUND THAT THE GAS DRAINAGE PERIOD IS LONGER IF ABSORBED GAS WAS TAKEN INTO ACCOUNT AND A LARGER BOREHOLE CANNOT SHORTEN THE PERIOD SO MUCH. THESHORTENING OF BOREHOLES INTERVAL IS MORE EFFECTIVE FOR THE PURPOSE. IN JAPANESE WITH ENGLISH ABSTRACT.",

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AU - ITOI, RYUICHI

AU - GOTOH, KEN

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