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Show lew Gadget Will Help Locate Oil A new tool to help find oil, which measures the slant of rock formations from the surface sur-face to thousands of feet in the earth and which will greatly aid the industry in locating offset off-set wells, has been developed by scientists of The Carter Oil company. A 15-foot long metal tube, 4V-; inches in diameter and crammed with highly sensitive tubes, coils and electronic instruments, in-struments, is the robot which forms the heart of the well logger. log-ger. Three metal prongs are released re-leased after the tube has been lowered to the bottom of a hole, and each arm draws a graph of formations on a strip of paper pa-per at the surface as the tube is pulled up at the rate of 75 feet a minute. If one arm shows the same ledge of rock to be lower on one side of the hole than another, an-other, the exact amount of up or down slant is indicated. With this information, a wildcatter can know in which direction to move his rig- for a new well. F. G. Boucher, Carter research re-search engineer, first advanced the idea of recording dip formations forma-tions in this manner. The logger log-ger was developed after 2Vfe years of intensive research. Other engineers who aided were A. B. Hilderbrandt, H. B. Hagen, B. D. Kenney and L. W. Ledgerwood, Jr., all of the Carter research laboratoiy in Tulsa. Information on 31 ' wells involving in-volving records of 230,000 feet of hole was obtained in experimental experi-mental tests in Illinois, along the Gulf Coast, in Texas and Oklahoma. The logger alreacy has been made available to exploration ex-ploration companies under a license li-cense agreement. |