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Wireline Load Cell K Factor Determination Method

IP.com Disclosure Number: IPCOM000256529D
Publication Date: 2018-Dec-06
Document File: 4 page(s) / 356K

Publishing Venue

The IP.com Prior Art Database

Abstract

This disclosure describes a method to stamp an accurate K factor grid on the outside surface of the sheave wheel cover, or on the actual sheave surface on those that do not include a cover.

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Title: Wireline Load Cell K Factor Determination Method

Abstract: This disclosure describes a method to stamp an accurate K factor grid on the outside

surface of the sheave wheel cover, or on the actual sheave surface on those that do not include a

cover.

Description: The relationship between the angle defined by the entry and exit points of the cable

in a given sheave wheel and the K-factor to use when calculating the tension on the cable can be

mathematically derived.

These relationship is then used to stamp on the external edge of the sheave wheel a grid

indicating the angle and/or the K-factor.

Drawing: The following figures are self-explanatory.

Typical Wireline Job Rig Up Configuration