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Keywords: cement
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Proceedings Papers

Paper presented at the SPE/EAGE European Unconventional Resources Conference and Exhibition, February 25–27, 2014
Paper Number: SPE-167749-MS
... Abstract Horizontal wells can present special challenges for cementing operations. Extended-reach lateral sections, unconventional mineralogy, and high-pressure/high-temperature (HP/HT) environments can cause failures during and after the cement job. The high clay content and ductility...
Proceedings Papers

Paper presented at the SPE/EAGE European Unconventional Resources Conference and Exhibition, February 25–27, 2014
Paper Number: SPE-167731-MS
... Two different cement slurries have been studied, sample S1, a class-G neat cement mixed with 43.8% water bwoc and sample S2, an elastic cement class-G cement blended with latex and micronized silica, mixed with 31.3% water bwoc. The samples were prepared following API procedures ( API, 2010...
Proceedings Papers

Paper presented at the SPE/EAGE European Unconventional Resources Conference and Exhibition, March 20–22, 2012
Paper Number: SPE-153007-MS
... V T = Longitudinal Velocity E   =   V L 2   ρ ( 1   +   δ )   ( 1   −   2 δ ) 1   −   δ Where: ρ - density For the class G cement compressive strength, fig.1 showed that one day strength is 6MPa, and the compressive strength...
Proceedings Papers

Paper presented at the SPE/EAGE European Unconventional Resources Conference and Exhibition, March 20–22, 2012
Paper Number: SPE-153008-MS
... The heating and cooling process leads to expansion and shrinkage of all materials in all scenarios in the well. Especially the casing is affected from temperature changes as metals provide very high thermal expansion coefficients. Thermal expansion induces forces in the cement sheath, which might...

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