«Oilfield engineering»

Determination of optimal formulations of hydraulic fracturing fluids for conditions of low reservoir temperatures of the Vendian sediments based on laboratory studies

UDC: 622.276.66
DOI: -

Authors:

¹ Industrial University of Tyumen, Tyumen, Russia
² Gazprom VNIIGAZ, Moscow, Russia

Keywords: core material, hydrates, filtration and capacitance properties, hydraulic fracturing, propant, process fluid, hydrocarbon intensification, hydraulic fracturing fluid, rheology, methanol, polyacrylamide, permeability, well, formation, gas

Annotation:

An urgent task when carrying out highly efficient hydraulic fracturing technology is to select the optimal fracturing fluid. The authors of the article purpose an integrated approach to selecting an effective liquid formulation for hydraulic fracturing in conditions of abnormally low reservoir temperatures. The research methodology includes a series of laboratory experiments, including testing of hydraulic fracturing fluid for residual conductivity of propant, residual permeability of core material after pumping and destruction of hydraulic fracturing fluid, rheological testing of formulations, analysis of compatibility with reservoir fluid and process fluids used in drilling. The study resulted in selecting the optimal formulation of hydraulic fracturing fluid, which was successfully tested at the field when conducting hydraulic fracturing of a formation.

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