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公开(公告)号：US11353618B2
公开(公告)日：2022-06-07
申请号：US16935009
申请日：2020-07-21
Applicant: ConocoPhillips Company
Inventor： Phuong Hoang , Khalid A. Soofi , Benjamin Lascaud , Patrick R. Boyle
Abstract: A system and method of detecting subsurface karst features includes receiving surface mapping data. A potential surface pad location can be identified in view of the surface mapping data. A resistivity survey for the potential surface pad location can be designed. The resistivity survey can include at least one long line extending through a surface hole for each of one or more wellbores in the potential surface pad location, and a short line extending through the surface hole of one of the one or more wellbores, each short line intersecting the long line substantially at the surface hole of one of the one or more wellbores. High resistivity areas exceeding approximately 150 Ohm per meter can be identified as sub surface karst features within the resistivity survey.
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公开(公告)号：US20230012212A1
公开(公告)日：2023-01-12
申请号：US17834562
申请日：2022-06-07
Applicant: ConocoPhillips Company
Inventor： Phuong Hoang , Khalid A. Soofi , Benjamin Lascaud , Patrick R. Boyle
Abstract: A system and method of detecting subsurface karst features includes receiving surface mapping data. A potential surface pad location can be identified in view of the surface mapping data. A resistivity survey for the potential surface pad location can be designed. The resistivity survey can include at least one long line extending through a surface hole for each of one or more wellbores in the potential surface pad location, and a short line extending through the surface hole of one of the one or more wellbores, each short line intersecting the long line substantially at the surface hole of one of the one or more wellbores. High resistivity areas exceeding approximately 150 Ohm per meter can be identified as sub surface karst features within the resistivity survey.
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公开(公告)号：US20210018646A1
公开(公告)日：2021-01-21
申请号：US16935009
申请日：2020-07-21
Applicant: ConocoPhillips Company
Inventor： Phuong Hoang , Khalid A. Soofi , Benjamin Lascaud , Patrick R. Boyle
Abstract: A system and method of detecting subsurface karst features includes receiving surface mapping data. A potential surface pad location can be identified in view of the surface mapping data. A resistivity survey for the potential surface pad location can be designed. The resistivity survey can include at least one long line extending through a surface hole for each of one or more wellbores in the potential surface pad location, and a short line extending through the surface hole of one of the one or more wellbores, each short line intersecting the long line substantially at the surface hole of one of the one or more wellbores. High resistivity areas exceeding approximately 150 Ohm per meter can be identified as sub surface karst features within the resistivity survey.
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