Abstract

The paper proposes to exclude the active source of the seismic field from the measurement scheme, which is often a massive truck with equipment installed on it, which in its turn makes it difficult and increases the cost of field-work. The proposed passive measurement installation allows the detection of hydrocarbon deposits by registering the natural fields of the Earth. All measurements can be carried out by one person due to the use of magnetic antennas. A method of field measurements by means of such installation, as well as measurement data on a real gas condensate field are presented.

Highlights

  • Seismic-electric effects were predicted in the works of Ivanov [1] and Frenkel [2] who predicted these effects theoretically

  • The paper proposes to exclude the active source of the seismic field from the measurement scheme, which is often a massive truck with equipment installed on it, which in its turn makes it difficult and increases the cost of field-work

  • The proposed passive measurement installation allows the detection of hydrocarbon deposits by registering the natural fields of the Earth

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Summary

Introduction

Seismic-electric effects were predicted in the works of Ivanov [1] and Frenkel [2] who predicted these effects theoretically. In later works [3,4,5], experimental observations were carried out using porous structures at frequencies up to 10 kHz - 100 kHz. The authors of [6,7,8] showed that it is possible to use these effects to search for hydrocarbons at frequencies up to 100 Hz using standard seismic survey equipment and additional sources of electromagnetic field. The recording of seismic-electrical effects data is reduced to the fact that it is possible to use a mobile recorder of natural seismic and electromagnetic fields, which will allow calculating the parameters of the seismic-electrical effect over the field by further processing. Seismic vibrations can be recorded using a standard sensitive seismic receiver, and to increase the productivity of work, a magnetic antenna can be used instead of a standard grounded electric dipole

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