FORMATION PRESSURE DETERMINING DEVICE Russian patent published in 2010 - IPC E21B47/06 

Abstract RU 2385414 C1

FIELD: mining.

SUBSTANCE: device for implementation of the proposed method includes measurement chamber, pressure sensor, hold-down element and sealing shoe, channel for connection of measurement chamber to the bed. Device is equipped with control system consisting of a cable, an electric motor and power shaft. In addition, device is equipped with rotary shaft with blades, transmission gear and axial shaft advance mechanism with blades. Shaft with blades is installed in the channel connecting the measurement chamber to the bed.

EFFECT: increasing efficiency, simplifying the process and decreasing the time required for determining the formation pressure by removing clay coating from the well wall.

3 dwg

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RU 2 385 414 C1

Authors

Egan'Jants Rudol'F Tigranovich

Jalalov Jurij Mirgarifovich

Dates

2010-03-27Published

2008-07-11Filed