Dilution of drilling fluid in forming cement slurries

Details Dilution of drilling fluid in forming cement slurries Dilution of drilling fluid in forming cement slurries

1992-10-22

1994-05-24

Suchfield, George A.

Wells

Processes

Cementing, plugging or consolidating

166292, 166295, 175 66, 507140, E21B 3314, C09K 702

Patent

active

053140222

ABSTRACT:
A drilling fluid is diluted and a cementitious component added thereto. In a more specific embodiment the dilution is carried out by introducing liquid such as water to a flowing stream of the drilling fluid and thereafter a cementitious component is mixed therewith. Thus, the drilling fluid can be used in a conventional manner to drill a well and thereafter diluted and a cementitious component added to produce a cement for cementing operations such as setting a casing in the well and/or can be used for remedial cementing.
In another embodiment of the invention, the drilling fluid itself contains a small amount of cementitious component and additional cementitious component is added after the dilution.

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