Texan oil firm Weatherford International is taking another stab at moving its headquarters back to the US from Ireland, where it once went through a massive examinership, after a shareholder vote failed to pass. The company, which provides equipment and services for oilfields, moved its HQ to Ireland in 2014 but it plans to move its base back to the US. However, the original plan to shift the HQ to Texas did not pass at a shareholder meeting. In June, 60 per cent of shareholders voted in favour of the “redomestication” to the company’s home state of Texas but the…