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US 4,225,173 AGranted
Cable retrieving tool
OwnerRuben C. Martinezinventor
Life of this patent
Estimating the term…
Abstract
A cable retrieving tool has helically arranged blades periodically terminating in teeth. Once the cable to be retrieved is engaged the tool is rotated as it is lowered to more securely grapple the cable by the teeth before it is withdrawn from the well.
Claims9
In a cable retrieving tool having
- a. a mandrel,
- b. said mandrel tapering into a cone configuration at one end,
- c. said mandrel being threaded at the end opposite said cone configuration,
- the improved structure for engaging cable comprising:
- d. a blade helixed about said mandrel
- e. said blade periodically terminating in engaging teeth.
3 more elements
In a fishing procedure for retrieving broken cable from within wells including
- a. lowering a tool into the well,
- b. engaging the cable to be retrieved on the tool, and
- c. withdrawing the tool and cable from the well;
- the improved method comprising the steps of:
- d. grappling said cable by
- e. rotating the tool as it is lowered, thus
- f. screwing the tool into the cable.
4 more elements
Dependencies are inferred from the claim text.