4. Measuring and testing
  5. Borehole or drilling
  6. Downhole test
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Dillier Justin M.

Inventor

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DiPersio Richard D.

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Disher Christopher B.

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DiStefano Mark P.

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Divine David L.

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Dockhorn Wolfgang

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Dominque C. Dean

Representative

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Donovan Brothers, Inc.

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Doughty Christine A.

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Dowdy Felix A.

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Dower Ethell J.

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Doyle John E.

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Drake Charles L.

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Draoui Elyes

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Drinkwaard, deceased Willem

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Dublin, Jr. Wilbur L.

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Ducket Steven W.

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Duckett Steven W.

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Duguid Andrew John

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Duhon Gerald L.

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