In recent years, the amount of minerals recovered from the earth interior exceeds their production over the entire past human history. The reserves of some rare elements have been significantly reduced and the demand for them has increased dramatically through the use of new techniques and technologies. The task of developing new types of mineral raw materials from formation waters has become ever more relevant. In the process of formation water preparation during the production of table salt the fluids and heavy brines are obtained, which are suitable for their further use in oil production. The fluid obtained through deferrization of formation water has reduced content of magnesium ions. The use of this fluid makes it possible to increase the mechanical strength of the cement stone, the tightness of the “column-cement stone” contact zone, and to reduce magnesia corrosion.
For most modern development systems, hydraulic fracturing is the main method of intensification and maintenance of hydrocarbon production. Hydraulic fracturing is achieved with the volume of communicating voids between the granules of fractional proppant. The volume of voids should be maximized, which is achieved by selecting the optimal proppant fraction composition, and in addition, hydraulic fracturing fluid, the choice of which is based on a number of competing factors: high viscosity, which provides the necessary hydraulic width created at the buffer stage of the crack, as well as prediction of subsidence proppant in the fracture and subsequent premature stop of the injection, which creates additional costs. One of the new solutions, which will increase the efficiency and expand potential objects for hydraulic fracturing, is the use of a liquid destructor with a flow into the stream during the injection of the fracturing mixture.
This article discusses the problem of asphalt-resinous-paraffin deposits in production and tubing pipes. As a rule, these deposits help to reduce the debit of the well with the subsequent failure of the sucker rod or electric centrifugal pumps that are installed at the wellhead. For this reason, the fight against asphaltene-resinous-paraffin deposits is an urgent research task. We considered the chemical method of exposure to asphaltene deposits, in particular with the use of esters, which are part of inhibitors. Today, a wide range of varieties of inhibitors is known that are used as substances that slow down physicochemical processes; the word inhibitor itself comes from lat. “Inhibere”, which means “delay, slow down”. Of the currently available inhibitors, an ester-based inhibitor has been proposed that can be used initially to prevent the accumulation of asphaltene deposits.
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