METHOD AND TEST BENCH FOR TIGHTNESS OF ANNULAR SEAL OF CASING STRING SUSPENSION Russian patent published in 2024 - IPC G01M3/02 E21B33/02 

Abstract RU 2821151 C1

FIELD: oil and gas industry.

SUBSTANCE: invention relates to devices for testing annular seal for checking tightness of annular seal and installing annular seal. Device comprises a body which is connected to the test cover by means of a pressure body so that the test chamber is sealed. In the method, the housing, the test cover and the simulator together form a closed test cavity, with formation of tightness by pressing the test cover to the housing with the help of the pressure housing.

EFFECT: simplified process of manufacturing a bench for testing annular seals with replaceable elements, reduced probability of scuffing on piston surface, reduced material consumption.

4 cl, 6 dwg

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RU 2 821 151 C1

Authors

Pishchaev Sergei Aleksandrovich

Kuznetsov Iurii Leonidovich

Dates

2024-06-17Published

2023-11-17Filed