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Class Information
Number: 166/250.13
Name: Wells > Processes > With indicating, testing, measuring or locating > Determining stuck point
Description: Indicating including the step(s) of finding where an object (tool, tubing, etc.) is caught in a well.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7591307 |
Method of and system for determining the free point in a drill pipe |
Sep. 22, 2009 |
| 7252143 |
Method and apparatus for anchoring tool in borehole conduit |
Aug. 7, 2007 |
| 6557631 |
Down hole tension/compression device for logging tools |
May. 6, 2003 |
| 6536519 |
Downhole tool to generate tension pulses on a slickline |
Mar. 25, 2003 |
| 5984009 |
Logging tool retrieval system |
Nov. 16, 1999 |
| 5477921 |
Method and system for logging a well while fishing for the logging tool |
Dec. 26, 1995 |
| 4966234 |
Method for determining the free point of a stuck drillstring |
Oct. 30, 1990 |
| 4694902 |
Procedure and device for determining the jamming point of a pipe line in a drill hole |
Sep. 22, 1987 |
| 4105071 |
Methods and apparatus for determining the stuck point of a conduit in a borehole |
Aug. 8, 1978 |
| 4105070 |
Methods for determining the stuck point of a conduit in a borehole |
Aug. 8, 1978 |
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