Research of the Inhibitory Capacity of the Polymer Salt Drilling Fluids Based on Xanthan Gum | ||||
| Egyptian Journal of Chemistry | ||||
| Article 4, Volume 62, 2nd International Conference on Agricultural Biosystems (AGRIBIOS 2019) on 28,29 September 2019 in GBC meeting and conference room, Deira, Dubai, UAE., December 2019, Page 15-22 PDF (1.18 MB) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/ejchem.2019.18285.2121 | ||||
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| Author | ||||
Alexander Verisokin 
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| North-Caucasus Federal University, Stavropol, Russian Federation | ||||
| Abstract | ||||
| In the drilling process, the balance of the rocks composing the walls of the wells is disturbed. The stability of the walls depends on the original strength characteristics of rocks and their changes under the influence of various factors. Therefore, drilling mud plays large role. It is known that the main role in the intensification of the process of softening clays is determined by original humidity, and the saturation of drilling mud filtrate under the action of the formation overburden. The absorption of the filtrate of drilling mud occurs not so much under the influence of pressure drop in the system well-reservoir, as a result of physical and chemical effects, growing in most clay rock. The most optimal from the point of view of stability of the borehole walls are cases where in the system the well-reservoir osmotic equilibrium is established, or osmosis is directed from the reservoir into the well. The greatest influence of the osmotic pressure exhibited when saline drilling fluids are used. This paper examines the effect of polymer salt of drilling fluids clay swelling, i.e. inhibiting the ability of drilling mud. | ||||
| Keywords | ||||
| Drilling fluids; polymer; stability of the borehole; drilling mud | ||||
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