June 27 (Reuters) - Transocean Ltd:
* TRANSOCEAN ANNOUNCES PROPOSED PRIVATE OFFERING OF U.S. $700 MILLION OF SECURED NOTES DUE 2024
* TRANSOCEAN LTD - PROCEEDS FROM NOTES, TOGETHER WITH CASH ON HAND, WILL BE USED TO REFINANCE EXISTING DEBT SECURED BY SONGA ENCOURAGE AND SONGA ENABLER Source text for Eikon: Further company coverage: