发明名称 |
Methods and apparatus for multi-well ranging determination |
摘要 |
Disclosed embodiments include methods and apparatus for ranging techniques to detect and determine a relative distance and azimuthal direction of nearby target well conductors such as pipes, well casing, etc., from within a borehole of a drilling well. A nearby casing string of a target well can be detected by transmitting an electromagnetic signal from an excitation source located along the target well and measuring a response signal with an antenna on a downhole logging tool in the drilling well. Several different excitation sources for various target wells are utilized to distinguish nearby conductor signals from formation signals. Joint]inversion algorithms are utilized to identify multi]well locations on the basis of measured signal responses from the different excitations sources. The joint]inversions may be implemented in real]time or during post]processing, and used in applications such as SAGD, anti]collision, and relief well development. |
申请公布号 |
AU2014412056(A1) |
申请公布日期 |
2017.03.23 |
申请号 |
AU20140412056 |
申请日期 |
2014.11.18 |
申请人 |
Halliburton Energy Services, Inc. |
发明人 |
Wu, Hsu-Hsiang;Donderici, Burkay;Fan, Yijing |
分类号 |
E21B47/09;G01V3/18 |
主分类号 |
E21B47/09 |
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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