Estimation of full vector of displacements of the Earth' surface and technogenic objects based on InSAR data applied to oil and gas production areas
Category: 13-3
UDC 550.31
V.O. Mikhailov, E.A. Kiseleva, P.N. Dmitriev, V.I. Golubev,
E.I. Smolyaninova, E.P. Timoshkina
Schmidt Institute of Physics of the Earth, Russian Academy of Sciences, Moscow, Russia
Abstract
When monitoring displacements of the Earth’ surface or technogenic objects using InSAR data, time series and mean velocities of displacements in the line-of-sight direction of a satellite are determined. To estimate all three components of displacements i.g. north, east and vertical components some additional information, such as that concerning physical origin of the displacements, is necessary. We put forward a method of estimation of three components of displacements assuming surface displacements being due to increase or decrease of pressure in the exploration layers resulting from petroleum extraction and fluid injection. Example of evaluation of displacements in the line-of-sight direction and determination of full displacement vector for Romashkino oil field near Almetievsk city is presented.
Keywords: satellite radar interferometry, subsidence, oil and gas fields, monitoring, three components of displacement vector.
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