OREANDA-NEWS. May 05, 2011. SOCAR (except Joint Ventures and Operating Companies) conducted 13864 meters drilling works in April, 2011. Of this amount, development drilling made up 13409 m and exploration drilling - 455 m. As a whole, in January-April of 2011, SOCAR (except Joint Ventures and Operating Companies) conducted 54602 m drilling works including 51796 m development drilling and 2806 m exploration drilling.