Exxon Mobil Corp. (NYSE:XOM) will drill a well off Cyprus in January in pursuit of natural gas, a senior executive told Reuters on Thursday. "We've spent the last two years collecting very detailed, three dimensional seismic data ... We've identified several large prospects, and the next stage is to bring in a drilling rig and to test those," said John Ardill, Vice-president for global exploration at ExxonMobil. "We'll spud our first well in mid-January, so we are very excited about that," he told a conference in Nicosia. Back in July, China-based…