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This page displays all 「FI」 in main group E21B49/00. |
HB:Handbook | ||||
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CC:Concordance | |||||
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Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells [2006.01] | HB | CC | 2D129 | |
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.by mechanically taking samples of the soil [2006.01] | HB | CC | 2D129 | |
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..using explosives in boreholes; using projectiles penetrating the wall [3] | HB | CC | 2D129 | |
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..using side-wall drilling tools or scrapers | HB | CC | 2D129 | |
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.Obtaining fluid samples or testing fluids, in boreholes or wells [3] | HB | CC | 2D129 | |
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..using side-wall fluid samplers or testers [3] | HB | CC | 2D129 | |