«Onshore and offshore oil and gas well construction»

The role of osmotic processes in conservation of clay deposits stability

UDC: 522.245.3:678.7
DOI: 10.33285/0130-3872-2021-11(347)-19-21

Authors:

¹ Samara State Technical University, Samara,Russian Federation

Keywords: osmotic cross-flows in a well; filtrate of drilling washing solution; loss of clay deposits stability; binding and fastening effect of high molecular weight reagents; occurrence of complications during drilling

Annotation:

The influence of osmotic processes in a well on the stability of clay deposits is considered. Based on the research, the influence of a high-molecular reagent concentration in the drilling fluid on its clogging-binding action has been shown. The influence of hydration and capillary impregnation of weakly-watered clays on the rocks structure change and destruction has been demonstrated.

Bibliography:

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