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USE OF REMOTE SENSING AND GEOPHYSICAL TECHNIQUES FOR LOCATING ABANDONED OIL WELLS, WOOD COUNTY, OHIO

Borton, TiffanyAnn
http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1174928662

Abstract Details

2007, Master of Science (MS), Bowling Green State University, Geology.
Northwest Ohio was the site of extensive oil production at the end of the 1800’s, which has left many abandoned wells throughout the region, presenting a possible source of groundwater pollution. Although some wells can be located by their casings, many landowners have buried or removed them, making the wells almost impossible to locate. The focus of this study was to develop and refine a rapid, low-cost method for locating abandoned oil using geophysical techniques (magnetics, resistivity) and remote sensing (spectrometry). The hand-held spectrometer was used in the field and the laboratory to collect soil spectra. The field readings were taken adjacent to the well, 1 m from the well, and 100 m from the well. Samples from nine wells were collected at the well and four locations around it. The magnetic data were collected using a Geometrics 856 proton precession magnetometer on an 8 m x 8 m grid centered on the well. The resistivity data were collected using a Geometrics Ohmmapper capacitively-coupled resistivity apparatus on an 8 m x 28 m grid centered on the well. Three-band ratios were calculated in a spreadsheet and plotted. These ratios were applied to the Advanced Spaceborne Thermal Emission and Reflection Radiometer, (ASTER) data collected on April 22, 2006, and used to produce a grey-scale image. The magnetics data were analyzed using Golden Surfer 8 yielding total magnetic field intensity contour maps. The resistivity pseudo-sections were processed with MagMap2000. These pseudo-sections were exported to Res2dinv and depth inversion profiles were created. Though the spectral data showed a 2.2 ìm band in soil samples from all 9 sites, no satellite sensor had both the correct spectral bands and appropriate spatial resolution to locate the abandoned wells using this small absorption band. The magnetic field contour maps showed a circular high within 2 m of each of the known wells. Resistivity depth inversions show an increase in resistivity in the vicinity of the well casing. This study concludes that the most effective approach for finding abandoned wells involves collection of magnetic data first and then electrical resistivity and inversion modeling over positive magnetic anomalies.
Robert Vincent (Advisor)
104 p.
resistivity; HYDROCARBON; total magnetic field; total magnetic field intensity; magnetic field intensity; magnetic intensity

Recommended Citations

Citations

  • Borton, T. (2007). USE OF REMOTE SENSING AND GEOPHYSICAL TECHNIQUES FOR LOCATING ABANDONED OIL WELLS, WOOD COUNTY, OHIO [Master's thesis, Bowling Green State University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1174928662

    APA Style (7th edition)

  • Borton, TiffanyAnn. USE OF REMOTE SENSING AND GEOPHYSICAL TECHNIQUES FOR LOCATING ABANDONED OIL WELLS, WOOD COUNTY, OHIO. 2007. Bowling Green State University, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1174928662.

    MLA Style (8th edition)

  • Borton, TiffanyAnn. "USE OF REMOTE SENSING AND GEOPHYSICAL TECHNIQUES FOR LOCATING ABANDONED OIL WELLS, WOOD COUNTY, OHIO." Master's thesis, Bowling Green State University, 2007. http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1174928662

    Chicago Manual of Style (17th edition)

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This open access ETD is published by Bowling Green State University and OhioLINK.