4. E - Fixed Constructions
  5. 21
  6. B

Rex E. Duhn

E - Fixed Constructions – 21 – B

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Country: United States Of America

Ring seal packer

E - Fixed Constructions – 21 – B
Patent

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Well tubing rotator

E - Fixed Constructions – 21 – B
Patent

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Wellhead isolation tool and method of fracturing a well

E - Fixed Constructions – 21 – B
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Profile ID: LFCA-PAI-P-1363115

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