BOREVAESKEADDITIV
A drilling fluid additive effective as a viscosity controlling agent is composed of water-soluble complex titanium, zlrconium, titanium-iron or zirconium-iron lignosulfonate. The lignin component of the lignosulfonate may be in either oxidized or unoxidized form.
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Format: | Patent |
Sprache: | nor |
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Zusammenfassung: | A drilling fluid additive effective as a viscosity controlling agent is composed of water-soluble complex titanium, zlrconium, titanium-iron or zirconium-iron lignosulfonate. The lignin component of the lignosulfonate may be in either oxidized or unoxidized form. |
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