Primary cementing improvement by casing vibration during cement curing time
Journal Article
·
· SPE (Society of Petroleum Engineers) Product. Eng.; (United States)
Vibration of casing to improve primary cementing was investigated in the laboratory and in a 200-ft (60-m) deep test well. The effect of vibration is to decrease or to eliminate gel strength of the cement slurry as it is curing. The slurry then flows downward to compensate for shrinkage and re-establishes the hydrostatic head of the cement. This method can prevent pore-fluid entry into the annulus before the cement cures and can increase the radial stress at the interface between the formation and the cured cement.
- OSTI ID:
- 6689959
- Journal Information:
- SPE (Society of Petroleum Engineers) Product. Eng.; (United States), Vol. 3:3
- Country of Publication:
- United States
- Language:
- English
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