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API TR 10TR6 Evaluation and Testing of Mechanical Cement Wiper Plugs, First Edition
standard by American Petroleum Institute, 07/01/2015
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API TECHNICAL REPORT 10TR6 FIRST EDITION, JULY 2015
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Evaluation and Testing of Mechanical Cement Wiper Plugs
The purpose of this technical report is for recommended testing, evaluation, and performance requirements for mechanical cement wiper plugs.
This document contains no normative references. For a listing of other articles associated with this publication, see the Bibliography.
For the purposes of this document, the following terms and definitions apply.
A ring or plate made of drillable material that is mounted in the casing to provide a landing surface for a cement plug and may (or may not) also provide a sealing surface.
The amount of pressure applied to the casing when a cementing plug is landed (bumped) onto a baffle, float collar, or another plug.
A mixture of calcium silicates and water, possibly containing other materials, that sets to a hard, rocklike substance.
The application of pressure pumping cementing fluids (spacers and cement slurries) to various points in a wellbore.
The fluid used to displace the cement slurry from the casing that is normally separated from the cement slurry by a top wiper plug and / or a spacer fluid.
Capable of being drilled up in a reasonable amount of time by a drill bit.
An elastic, flexible rubberlike material, including natural or synthetic rubber compounds, polyurethanes, and thermoplastic elastomers.
A tool containing a one-way check valve to prevent return flow of the cementing fluids from the annulus into the casing.
NOTE It has threaded connections that attached near the bottom of a casing string and may also provide a landing and/or sealing surface for wiper plugs.
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