DHV Inc. is a division of Enviro-Log Operating LLC. with video equipment that has proven itself by doing videos on  wells to 4600 ft. Our tools are 1 11/16th inches in diameter which makes it easy to run on the inside of tubing or drill pipe to guide fishing tools over or into a fish. By using a centralizer to center the tool in the hole and a lens that has a field of view of 88 degrees large diameter is not a problem.

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