| 发明名称 |
Underground linkage of wells for production of coal in situ |
| 摘要 |
In preparation for producing coal in situ two or more production wells are linked together through the coal seam by burned channels created by one or more blind hole burns.
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| 申请公布号 |
US4185692(A) |
申请公布日期 |
1980.01.29 |
| 申请号 |
US19780924849 |
申请日期 |
1978.07.14 |
| 申请人 |
IN SITU TECHNOLOGY INC |
发明人 |
TERRY, RUEL C |
| 分类号 |
E21B43/247;(IPC1-7):E21B43/24 |
主分类号 |
E21B43/247 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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