EMPLOYEE STATES STRAINED BACK WHILE WORKING ON PIPELINE FOR THE DREDGE. STATED WORKING OUT OF A DESIGNATED WORK BOAT AND A GUST OF WIND BLEW AND STARTED TO SEPARATE THE PIPELINE. EE STATES SHOULDER POPPED & HE STOPPED WORKING & STRETCHED. HE WENT BACK TO WORK FOR THE REST OF THE DAY WITH NO PROBLEMS. ON MONDAY 6/13/05 HE REPORTED TO THE ER WITH BACK PAIN & SAID IT WAS WORK RELATED.