The world's biggest deep-sea drill soars at the center of the CHIKYU, a high-tech scientific research ship, at Yokohama port, south of Tokyo, Dec. 15, 2005. The mammoth drill is the key to CHIKYU's research which operators say is capable of boring 7,000 meters (nearly 4.5 miles) into the ocean floor, far deeper than the 2,111-meter (1.3-mile) hole made by the U.S.'s drilling vessel, the 20-year-old Joides Resolution. The foreground is the ship's heliport. CHIKYU is the Japanese word for 'Earth.' (AP Photo/Katsumi Kasahara)
Reminds me of the story about Amoco Oil, who back in the 1970s, drilled a 15,000 foot hole in eastern Iowa. The hole was a duster and was abandoned, but an enterprising farmer found a use for the hole...