Invitation For Aptitude Test and Technical Sill Test By Total E&P

Hello forumites,i just received an email from Total E&P inviting me for an aptitude test and technical skill test for reservoir engineering job in Port Harcourt on 6th of September,2012.
Please if you applied/received such mail kindly reply and let me know cos am just wondering how come they are doing the test themselves and not through Dragnet,also share your ideas on the kind of questions u tink they will set,experience from guy who have written this test or working with Total is highly appreciated...Please lets Unite our ideas to succeed.TANX