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- W4205907128 abstract "Significant progress was made during Phase I of the program toward finding solutions to the seal-and-bearing problems. A seal-test facility was designed and built to test full-scale seals for downhole motors. The tests will simulate closely the environment imposed on seals used in actual motor drilling. Many seal designs and concepts were considered, including novel designs and modifications to conventional seal types. Several of the most promising designs (including some novel designs) have been designated for testing in Phase II. Some of these seals have already been obtained and are available for testing. The preliminary design for a seal-bearing package test stand was completed. This facility will allow tests of full-size seal-bearing packs at simulated downhole conditions. The design of a new seal-bearing package was completed and is scheduled for full-scale testing in Phase II. This package will allow worn seals and bearings to be replaced easily. New thrust bearings were selected for application in the seal-bearing package. These bearings offer much greater load capacity and should increase bearing life significantly. (JGB)" @default.
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- W4205907128 date "1977-03-01" @default.
- W4205907128 modified "2023-09-29" @default.
- W4205907128 title "Program to develop improved downhole drilling motors. Final report" @default.
- W4205907128 doi "https://doi.org/10.2172/6564993" @default.
- W4205907128 hasPublicationYear "1977" @default.
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