Method of explosively fracturing from drain holes using reflective fractures专利检索-钻爆法通用采矿技术专利检索查询-专利查询网

Method of explosively fracturing from drain holes using reflective fractures

阅读：418发布：2022-05-12

专利汇可以提供Method of explosively fracturing from drain holes using reflective fractures专利检索，专利查询，专利分析的服务。并且A method of increasing fluid conductivity of a formation by drilling horizontal drain holes outwardly from a wellbore and fracturing the formation such that upon detonation of an explosive in the drain hole, the fractures will provide a surface for reflection of the explosive shock waves.，下面是Method of explosively fracturing from drain holes using reflective fractures专利的具体信息内容。

权利要求

1. A process for explosively stimulating an earth formation comprising: drilling at least one substantially vertical wellbore into the formation; drilling at least one non-vertical wellbore into the formation; drilling at least one non-vertical drain hole into the formation from the vertical wellbore; fracturing the formation such that the fractures are spaced from and on opposite sides of the drain hole and wherein the fractures lie in substantially vertical planes with each fracture angled from the drain hole from 10* to 90*; locating an explosive in the drain holes; and detonating the explosive.

2. The process of claim 1 wherein first and second wells are drilled into the formation; the formation is vertically fractured from the second well; and the drain hole is drilled horizontally from the first well parallel to the vertical fracture.

3. The process of claim 2 wherein the first and second wells are drilled on a line at right angles to the fracture planes.

4. The process of claim 1 wherein three aligned wells are drilled; vertical fractures are formed in the outside wells; and the drain hole is drilled substantially horizontally from the center well approximately parallel to the vertical fractures.

5. A process of explosively stimulating an earth formation, comprising: drilling a multiplicity of substantially aligned wells into the formation; fracturing the formation adjacent alternate of the wells, wherein such fractures lie in a vertical plane; drilling horizontal drain holes from the remaining wells where the drain holes are spaced from and substantially parallel to the fractures; positioning an explosive in the drain holes; and triggering the explosive.

6. A process of explosively stimulating an earth formation comprising: drilling at least one well into the formation; fracturing the formation adjacent the well, wherein such fractures lie in a vertical plane, drilling a horizontal drain hole which is spaced from the fractures, wherein both the fractures and drain holes originate from a single well and wherein the drain hole is at substantially right angles to the fractures; positioning an explosive in the drain hole; and triggering the explosive.

7. A process for explosively stimulating an earth formation comprising: drilling at least one well into the formation; fracturing the formation; drilling a horizontal drain hole which is spaced from the fractures; positioning an explosive in the drain hole, said drain hole being at an angle less than 90* from the fracture; and triggering the explosive.

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Method of explosively fracturing from drain holes using reflective fractures

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