Idan Ofer was willing to inject an extra $100m into Pacific Drilling to support a restructuring of the company, documents relating to its Chapter 11 filing show.
Discussions with creditors on the package, however, failed to gain the required support in a final round of talks last month, chief executive officer Paul T. Reese wrote in court papers.
Pacific Drilling warned in August a Chapter 11 filing was possible at the same time as Chris Beckett resigned as chief executive.