Oil pipe gauge

The utility model discloses an oil pipe gauge and belongs to the field of oil industry. The oil pipe gauge for detecting whether an oil pipe is unobstructed and clean or not comprises an oil pipe gauge body, a steel wire brush and at least three groups of elastic scraping components, wherein the oil pipe gauge body is in clearance fit with the oil pipe, the steel wire brush is fixedly connected to the lower portion of the oil pipe gauge body, and the elastic scraping components are located above the steel wire brush and arranged in the peripheral direction of the oil pipe gauge body. The oil pipe gauge has the advantages that whether the oil pipe is unobstructed or not is detected by the oil pipe gauge body, sundries such as rust, scale and greasy dirt are effective cleaned by the steel wire brush and the elastic scraping components, a downhole tool is prevented from being blocked by the sundries on the inner wall of the oil pipe, downhole operation quality accidents caused by oil pipe quality problems are effectively lowered, one-step success rate of downhole construction is increased, and the requirements of field construction is satisfied.