Skip to main content
U.S. Department of Energy
Office of Scientific and Technical Information

Apparatus and methods for cleaning a well

Patent ·
OSTI ID:5695708
A system for cleaning the inside diameter of well tubulars comprising: a. a tubing string disposed within the well tubular; b. means for longitudinally moving the tubing string within the well tubular; c. a fluid motor attached to the extreme end of the tubing string within the well tubular; d. means for supplying power fluid to the fluid motor; e. cutter had means rotatably attached to the fluid motor whereby the cutter head means and be operated to remove deposits from the inside diameter of the well tubular; and f. guide means attached to and extending downwardly from the cutter head means comprising a flexible drive shaft rotatably attached to and extending downwardly from the cutter head means and a universal joint connecting the flexible drive shaft to the guide means.
Assignee:
Otis Engineering Corp., Dallas, TX
Patent Number(s):
US 4705107
OSTI ID:
5695708
Country of Publication:
United States
Language:
English