%0 Journal Article
%A Aracil Ávila, Enrique
%A Lillo Ramos, F.J.
%A López Mendieta, F.J.
%T Influencia de la variación litológica y textural en la verticalidad de sondeos
%D 2000
%@ 1576-5172
%U https://hdl.handle.net/20.500.14352/103844
%X Lithology contrast texture change, fracturation or lack of consistence in drilled materials, cause  variations in vertical direction of holes during drilling operations. This paper shows some  examples about the correlation between well deviation and alternance of layers, clay content  and altered layers.
%~