4. Measuring and testing
  5. Borehole or drilling
  6. Downhole test
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Walraven John E.

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Warren Donald E.

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Warren Automatic Tool Co.

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Waugh Bryan

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Wedel Michael W.

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Wei Han

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Welton Barry S.

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Westerman G. Wayne

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White Harold G.

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White Wade

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Whitt S. Randall

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Whitten Frank R.

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Whitten Jonathan A.

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Whittle Timothy

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Wick Christian

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Wildner Reinhard

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Williams Colin F.

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Williams Fletcher J.

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Williamson Alexander S.

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Wingrave James A.

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