The Sakhalin-1 project, like its sister project Sakhalin-II, is a consortium to locate and produce oil and gas on Sakhalin Island and immediately offshore, in the Okhotsk Sea.
The Sakhalin-1 Project develops three oil and gas fields — Chayvo, Odoptu, and Arkutun Dagi. The fields are located in the extreme arctic conditions off the northeast coast of Sakhalin Island in the Russian Far East.
We translated many technical documents concerning the Chayvo fields facilities.
http://www.sakhalin1.com/Sakhalin/Russia-English/Upstream/default.aspx
http://en.wikipedia.org/wiki/Sakhalin-I