Scholarly record
APPLICATION OF THE PHASE-METRIC METHOD IN THE PROBLEMS OF GEOTECHNICAL CONTROL OF THE DRILLING PROCESS
Abstract
During the process of drilling wells, it is necessary to have information about the composition of the soil layers through which the drill passes. This will optimize the parameters of rotation of the drill, the load on the drill, as a result of which equipment wear will be reduced. It will also make it possible to lay optimal trajectories during well drilling and track the penetration of the drill into the target layer. This issue is especially relevant for the oil industry, where production is carried out at great depths with a complex structure of soil and rocks. Obtaining this information becomes possible due to the control of the phase changes of the probing electrical signal on the receiving lines of the electrodes of the geoelectric monitoring system. This article discusses the use of the phase-metric method in relation to the problems of controlling the process of drilling wells, and gives an overview of the technical aspects of vertical electrotomography by the phase-metric method. A description of a laboratory experiment on the study of the effectiveness of the control of the drilling process by the phase-metric method is given. A study of the dynamics of changes in the phase signals of the receiving lines of electrodes in the process of passing through soil layers with different characteristics is shown, which affects the change in the parameters of the probing electrical signal. The research results are accompanied by graphic material confirming the metrological possibilities of the proposed phase-metric method. This will optimize drilling parameters in real time.
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