Tanko Well DrillingLogo Design Contest Logo Design Contest Contests / Tanko Well Drilling Tanko Well Drilling has selected their winning logo design. For $275 they received 64 designs from 15 different designers from around the world. Find out how LogoTournament works How LogoTournament works Contest Annotation Delete We are sorry, but the time to edit this annotation has expired. Save Cancel Entries by spiritz Return to Contest Return to Contest Comment Activity Order by Ranking Entry Number Comment Activity To leave a comment please click on the logo. Prefers others. 1 Comment Activity spiritz commented on #43 I had another variation, with more blue colors. 7 years ago