Both the sectional layout and design of the first horizontal White Tig
er well are presented. The well was drilled for production from the 23
rd, lower Miocene productive horizon. The paper addresses bottom hole
assembly together with drilling conditions for vertical and horizontal
hole sections. Drilling performance, diverter and BHA design are docu
mented along with the on-line drilling control system based on VNIIBT'
s directional drilling software package.