Removal of wellbore residues
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United States of America Patent
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Mar 18, 2003
Grant Date -
N/A
app pub date -
May 25, 2000
filing date -
May 27, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A wellbore fluid composition effective to reduce oil-containing residue and water wet wellbore surfaces is provided. The fluid composition comprises a terpene composition and a surfactant. Methods for use of the fluid composition as a single spacer or as a multiple spacer in conjunction with a second fluid are provided. Methods for use of the composition in reduction or removal of oil-containing residue from wellbore surfaces, as a clean-up fluid, in wellbore completions, as a displacement fluid, and in wellbore treatment are provided.
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