 Marvin F. Glotfelty, RG,shares two string weight analysis examples from 2003. |
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 Marvin F. Glotfelty, RG, provides afilter pack design clarification. |
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 Marvin F. Glotfelty, RG, explains the concept of designing a well witha large casing volume. |
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 Marvin F. Glotfelty, RG, explains program management. |
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 Marvin F. Glotfelty, RG, discusses cement annular seals. |
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 Marvin F. Glotfelty, RG, details measurement tools in the drilling industry. |
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 Marvin F. Glotfelty, RG, shares career lessons he wished he knew. |
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 Marvin F. Glotfelty, RG, provides an overview of cable tool drilling. |
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 Marvin F. Glotfelty, RG, details flooded reverse drilling. |
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 Marvin F. Glotfelty, RG, delves into the basics of dual rotary drilling. |
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 Marvin F. Glotfelty, RG, discusses properties of steel casing. |
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 Chip Nelson discusses GEFCO/BAUER Equipment America in the water well market. |
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 Marvin F. Glotfelty, RG, gives primer on mud and air rotary drilling. |
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 Marcus Laibe talks drill rigs and conducting business during a pandemic. |
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 Marvin F. Glotfelty, RG, discusses well design from a water quality perspective. |
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 Marvin F. Glotfelty, RG, discusses large aquifer voids adjacent to the borehole or well. |
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 Marvin F. Glotfelty, RG, gives an overview of drilling fluids. |
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 Marvin F. Glotfelty, RG, explains key points on properly decommissioning a well. |
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 Marvin F. Glotfelty, RG, discusses ways to evaluate a well’s flow profile. |
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 Marvin F. Glotfelty, RG, covers well development techniques and concepts. |
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 Marvin F. Glotfelty, RG, gives an overview of filter pack sand selection and design. |
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 Thomas M. Hanna, RPG, discusses need for a universal system for borehole logging. |
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 Marvin F. Glotfelty, RG, covers the importance of technical specification verbiage. |
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 Marvin F. Glotfelty, RG, discusses impact of annulus width on well performance. |
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 Curtis King, CWD/PI, shares thoughts on winning the 2019 NGWA Special Recognition and Life Member Awards. |
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 Chip Nelson explains automatic grease systems and grease banks. |
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| Get drilling tips on preparing to drill overseas by two industry veterans. | |
