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FROM THE OPERATIONAL EXPERIENCE OF THE MINING COMPANIES AND THE ORGANIZATIONS
DONBASS STATE TECHNICAL UNIVERSITY
Название New approach of coordinates projection from the surface to the mines` orientation horizon
Автор Larchenko V. G., Denisenko E. A.
Информация об авторе

Donbass State Technical University (Alchevsk, Ukraine):

Larchenko V. G., Head of a Chair, Candidate of Engineering Sciences, e-mail: larchenko2010@rambler.ru
Denisenko E. A., Post-Graduate Student

Реферат

This article gives a new gravitational approach of a projection of a plane coordinates from the surface to the horizon, during the mines orientation through the vertical well bores. The approach was carried out by the free-fall lead balls, which are dropped from the guide holes. The coordinates of the holes were determined on the earth surface by adjoining via special alignment marks. Fixing of ball trails on the orientation horizon was held by the special screens. The connection triangle was adjuncted to these screens by the traditional method. The article concideres the work perfomance methodology along with the analysis of error, which deflect the trajectory of a ball falling from a vertical position. The dependence of the error from the determining factors was substantiated along with the recommendations on the error impact reducing.
A gravitational way of coordinates` projecting allows to reduce the time-out of a well bore: exclude the need in expencive and bulky equipment, descent and ascent of plumbs; significantly reduce the work content of the alignment process; improve the accuracy and the downtime of the well bore.

Ключевые слова Approaches of coordinates projecting, orientation, mines, gravitational way, free-fall of balls, impact factors, resistance of air, radius, form and rotation of Earth, error of measurements
Библиографический список

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