发明名称 |
Tool for inspecting the upper end of a string of casing set in the bottom of a body of water |
摘要 |
An inspection tool for detecting any flaws or defects in the upper end of a string of casing set in the bottom of a body of water. The tool has a cylindrical housing carrying a radiographic-sensitive film which fits over the open end of the string of casing and a radiographic source supported in the axis of the cylindrical housing. Means are provided for raising and lowering the tool.
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申请公布号 |
US4411014(A) |
申请公布日期 |
1983.10.18 |
申请号 |
US19810277580 |
申请日期 |
1981.06.26 |
申请人 |
STANDARD OIL COMPANY |
发明人 |
BERMAN, MARK Y. |
分类号 |
G01N23/18;(IPC1-7):G01N23/18 |
主分类号 |
G01N23/18 |
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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