EMERGENCY SITUATION PREDICTION METHOD WHEN CONSTRUCTING OIL AND GAS WELLS

摘要

FIELD: oil and gas industry. ^ SUBSTANCE: invention refers to well boring, and can be used for preventing and eliminating troubles and accidents during boring process performed in the areas adjacent to or located just above the buried continental rift. Method involves rock sampling during boring process, and analysis of samples. At that terrigenous rocks are sampled from oil-and-gas bearing deposits of sedimentary cover, which are adjacent to or located just above the buried continental rift; rock samples are treated with 1:1 salt acid solution; laumontite zones are revealed in terrigenous masses of the cover by occurrence of silica jelly-like mass, which can mean that there are deep hidden breaks, and the appropriate activities preventing emergency situations are carried out. ^ EFFECT: simplifying the prediction method at maintaining accuracy of results and reducing costs required for method realisation.