Inventor
YELDELL STEPHEN ALLEN
US6 patents
Patents
6 patentsUS11346171B2May 31, 2022
Downhole apparatus
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US11293261B2Apr 5, 2022
Buoyancy assist tool
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US11293260B2Apr 5, 2022
Buoyancy assist tool
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US11199071B2Dec 14, 2021
Full bore buoyancy assisted casing system
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US11242720B2Feb 8, 2022
Threadless float equipment and method
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US11933142B2Mar 19, 2024
Traceability of cementing plug using smart dart
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