Ultra lightweight cement

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Ultra-Lightweight Cement

Sixth Quarterly Technical Progress Report

January 1 to March 31, 2002

Fred Sabins Issued April 29, 2002 DOE Award Number DE-FC26-00NT40919

Submitted by Cementing Solutions, Inc. 4613 Brookwoods Drive Houston, TX 77092

Disclaimer
This report was prepared as an account of work sponsored by an agency of the United States Government. Neither the UnitedStates Government nor any agency thereof, nor any of their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights. Reference herein to any specific commercial product, process, orservice by trade name, trademark, manufacturer, or otherwise does not necessarily constitute or imply its endorsement, recommendation, or favoring by the United States Government or any agency thereof. The views and opinions of authors expressed herein do not necessarily state or reflect those of the United States Government or any agency thereof.

DE-FC26-00NT40919 Sixth Quarterly TechnicalProgress Report

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Abstract
The objective of this project is to develop an improved ultra-lightweight cement using ultra-lightweight hollow glass spheres (ULHS). This report includes results from laboratory testing of ULHS systems along with other lightweight cement systems, including foamed and sodium silicate slurries. During this project quarter, comparison studies of the three cementsystems examined several properties: tensile strength, Young’s modulus, and shear bond. Testing to determine the effect of temperature cycling on the shear bond properties of the cement systems was also conducted. In addition, the stress-strain behavior of the cement types was studied. This report discusses a software program that is being developed to help design ULHS cements and foamed cements.DE-FC26-00NT40919 Sixth Quarterly Technical Progress Report

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Table of Contents Disclaimer ....................................................................................................... 1 Abstract ........................................................................................................... 2 Table of Contents............................................................................................ 3 List of Tables................................................................................................... 4 List of Figures ................................................................................................. 4 Introduction ..................................................................................................... 5Executive Summary ........................................................................................ 5 Cement Quality-Control Program................................................................... 6 Application Scenarios ..................................................................................... 7 Tensile Strength............................................................................................ 10 Compressive Strength ................................................................................... 12 Young’s Modulus.......................................................................................... 13 Shear Bond .................................................................................................... 15 SoftwareProgram.......................................................................................... 20 Plans for Seventh Project Quarter................................................................. 26 Conclusions ................................................................................................... 27 List of Acronyms and Abbreviations............................................................ 28 References...
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