Utilizing drilling fluid in well cementing operations

Wells – Processes – Cementing – plugging or consolidating

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Details

106796, 106800, 106812, 166292, F21B 3314

Patent

active

053279689

ABSTRACT:
The present invention provides methods of cementing a well with a cementing composition utilizing a portion of the drilling fluid used to drill the well as a component in the cementing composition. The methods basically comprise forming a set-activated cementing composition comprised of water, silica fume, a dispersing agent, a set-activator, a set delaying additive and a portion of the drilling fluid, introducing the resulting set-activated cementing composition into the well and permitting the cementing composition to set into a hard mass therein.

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