Session: 11-04-02 Well Cementing Theory&Practice-2

Paper Number: 104986

104986 - High Density Microfine Cement for Squeeze Cementing Operations 

Squeeze cementing operations can be used for performing remedial cementing operations in subterranean wells.  In squeeze cementing operations, a cement slurry is injected under pressure into an interval of interest within the subterranean well.  Squeeze operations can be used, for example, for addressing fluids leaks such as the passage of oil, gas, or water through small openings.  Such openings may include, for example, cracks in well tubular members such as well casing, holes or other unwanted spaces in or around cement that surrounds the casing, and unwanted fluid flow paths through a gravel pack or through the formation itself.

                The objective of this study is to formulate high density microfine cement formulations for remedial squeeze cementing operations.  The composition used for filling the openings should have a particle size that will fit within the opening to be filled.  If the particle size is too large, the composition cannot enter the opening and could instead form a weak patch over the opening.  Some current compositions that can be used in areas where there is high injectivity due to the small size of the openings can’t be used in zones with elevated pressure because such compositions often have insufficient density.

                Lab testing in this study include; fluids preparation, density and rheological properties, HT/HP filtration, pH measurement, thermal stability and contamination testing. The resulted formulations have shown outstanding rheology and fluid loss control at high temperature and at High-density ranges.

Presenting Author: Abdullah S. Alyami Saudi Aramco

Presenting Author Biography: Dr. Abdullah AlYami is working as a Petroleum Engineering Consultant. He has done his Ph.D. from Texas A&M University. He works in the area of development of new drilling fluids and cementing additives and systems.

Authors:

Abdullah S. Alyami Saudi Aramco
Vikrant Wagle Saudi Aramco