Complex sentence: In the early 1930s, engineers proposed construction of offshore wells timber piles, connected by a causeway, and the first such well was laid in the open sea on the depth of 6 m to the east from filled Bibi-Heybet bay.
Split into simpler sentences: In the early 1930s, engineers proposed construction of offshore wells from timber piles, connected by a causeway. The first such well was laid in the open sea on the depth of 6 m to the east from filled Bibi-Heybet bay.