«Onshore and offshore oil and gas well construction»

Improving the methodology for conducting experiments on the creation of process fluids for the clayish rocks stabilization

UDC: 622.244
DOI: 10.33285/0130-3872-2022-6(354)-27-32

Authors:

¹ Tyumen Industrial University, Tyumen, Russian Federation

Keywords: wellbore stability, clayish-argillite rocks, well walls stabilization, process fluids, inhibition of unstable rocks

Annotation:

The modern practice of drilling at the fields of the Western Siberia envisages wells drilling in the intervals of clayish-argillite rocks, which are potentially prone to the loss of stability, which in some cases can be the reason for the formation of up to 50 % of non-productive time allocated for wells construction. Therefore, the search for technological solutions to stabilize clayish rocks and shale is an urgent task for the oil and gas industry. At the moment, the main emphasis is made on the creation of new component compositions of inhibiting drilling fluids and specialized fluids. In addition, technological solutions are being developed for the operational isolation of the wellbore complicated sections.

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