公开(公告)号：US11675086B1

公开(公告)日：2023-06-13

申请号：US16987179

申请日：2020-08-06

Applicant: SCAN SYSTEMS, CORP

Inventor： Danny Uselton ,  Matt Rutledge

IPC: G01S17/894 ,  G01B11/04 ,  G01S7/481

CPC classification number: G01S17/894 ,  G01B11/043 ,  G01S7/4813

Abstract: A hand-held OCTG length measuring apparatus has hollow upper and lower bodies, a hand grip extending generally downward from the hollow upper body near the first end and including a source trigger, and a sensor housing extending generally downward from the hollow upper body. The sensor housing encloses a TOF source operatively connected to the source trigger. The hollow lower body shaped to include a frontal cavity positioned generally under the source housing, the frontal cavity having attached thereto a pipe end alignment bracket. The upper hollow body and the lower hollow body connected at a lower end of the hand grip and at a lower end of the sensor housing. The apparatus employs a minimum 40,000 lux laser (at 18 to 25 feet) and a polarized, diamond-grade reflector, to afford reliable, repeatable OCTG length measurements.