Scraper for determining the position of pipelines

Details Scraper for determining the position of pipelines Scraper for determining the position of pipelines

1998-06-09

2000-08-29

Hirshfeld, Andrew H.

Geometrical instruments

Indicator of direction of force traversing natural media

Borehole direction or inclination

33313, E21B 47022

Patent

active

061089214

ABSTRACT:
Scraper for determining the position of pipelines with at least one scraper body and on the outer circumference of the latter are provided support elements for guiding in the pipeline, the scraper body containing a gyroscopic platform, as well as supply and processing means for measured results, characterized in that the scraper body is guidable by a combination of support elements under a defined, constant angle with respect to the pipe guidance axis, whereof a first part is radially rigid and a second part is radially resilient.

REFERENCES:
patent: 3060588 (1962-10-01), Lanmon, II et al.
patent: 3942560 (1976-03-01), Deaver
patent: 3964171 (1976-06-01), Gambini et al.
patent: 4458601 (1984-07-01), Braithwaite et al.
patent: 4747317 (1988-05-01), Lara
patent: 5392527 (1995-02-01), Ziskovsky et al.

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