Fluted Centralizer Wireline Tool String

Ⅰ. Overview 

The Fluted Centralizer is a basic tool for providing centering when using small diameter tools in large tubular wells, which is also called rigid centralizer.

Second, the commonly used specifications and technical parameters:

Ⅱ. Common technical parameters: 

Note: More customized parts are available upon request.
Ⅲ. Structural characteristics:

The Fluted Centralizer has a simple structure, and the upper part is provided with a standard external fishing neck+screw thread, which is used to connect the upper tool string; The lower part is provided with a standard internal thread for connecting the lower tool; Upper and lower threads are of the same specification. The middle outer diameter of the grooving centralizer is larger than the diameters of both ends and the outer diameters of other downhole tools, and an overflow groove (hence the name grooving centralizer) is machined on the outside for the fluid to pass through during downhole, so as to avoid top drilling.

IV. Usage:

1.1. Connect the grooving centralizers to the upper and lower parts of the weighting rod (at least two centralizers are connected to one tool string);

1.2. If there is a jar going down, connect the centralizer at the lower part of the jar;

V matters needing attention:

1. Tighten the threads before each trip;

2. According to the situation of the pipe string, select the centralizer with appropriate diameter.

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