Northside - Displacement Efficiency in Cement Job Demystified

Speaker: Gefei Liu
Speaker Gefei Liu
Gefei Liu, president of Pegasus Vertex, Inc., received his BS degree from the University of Science and Technology of China and an MS degree from the University of Texas at Austin.  He has over 20 years of experiences in engineering and software development for drilling industry, and has published many ...

Gefei Liu, president of Pegasus Vertex, Inc., received his BS degree from the University of Science and Technology of China and an MS degree from the University of Texas at Austin.  He has over 20 years of experiences in engineering and software development for drilling industry, and has published many technical papers and one book on drilling hydraulics.  He is also actively involved in SPE lunch-n-learn programs and has given presentations in SPE-GCS, SPE Evangeline, Canadian Association of Drilling Engineers (CADE).


 

Full Description

Successful cement jobs require that the drilling fluid is fully displaced by the cement slurry.  Good mud removal ensures good bonding of the cement to the casing and the formation.  Failure to remove all the mud from the annular spaces leads to mud channels, which will weaken the cement bonding and cement-seal integrity.

Conventional hydraulics calculation is necessary, but not enough to cover the displacement efficiency with computational fluid dynamics (CFD). This presentation shows the R&D on the assessment of the risk of mud channeling as a function of fluid properties, flow rate, wellbore geometry, and well path. The goal is to address the risks and optimize the displacement efficiency in order to deliver a cement sheath to be able to retain annular-seal integrity.

Organizer Kelsey Ridpath

Kelsey_Ridpath@swn.com


Work: 832-796-7645

When?

Tue, Mar. 10, 2015
11:30 a.m. - 1 p.m. US/Central

How Much?

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Where?

Greenspoint Club
16925 Northchase Dr.
Houston, Texas 77060
United States

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