Multiple caliper arms capable of independent movement
Patent
·
OSTI ID:5293332
This patent describes a multiple arm caliper tool system for use in a well borehole. It comprises: an elongate tool body that adapted to be lowered and retrieved along a well borehole; at least a pari of caliper arms, each of the arms being a piston isolating the chamber; and means for compressing the hydraulic fluid within the chamber so that hydraulic fluid in the chamber is brought to a specified pressure wherein the hydraulic fluid acts on all of the push rods extending into the chamber.
- Assignee:
- Halliburton Logging Services, Inc., Houston, TX (United States)
- Patent Number(s):
- US 5086645; A
- Application Number:
- PPN: US 7-507285
- OSTI ID:
- 5293332
- Resource Relation:
- Patent File Date: 10 Apr 1990
- Country of Publication:
- United States
- Language:
- English
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