HYDROCARBON-BASED DRILLING FLUID

HYDROCARBON-BASED DRILLING FLUID

FIELD: oil and gas production. ^ SUBSTANCE: invention provides environmentally safe hydrocarbon-based drilling fluid suitable for use during boring and completion of oil and gas wells. Drilling fluid is characterized by required viscosity and structural properties within a wide water content range a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: FEDOSOV R.I, TATARINOV A.V, KORNEVA E.I, KOSHELEV V.N
Format: Patent
Sprache:eng ; rus
Schlagworte:
ADHESIVES
CHEMISTRY
DYES
MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
PAINTS
POLISHES
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Beschreibung
Zusammenfassung:FIELD: oil and gas production. ^ SUBSTANCE: invention provides environmentally safe hydrocarbon-based drilling fluid suitable for use during boring and completion of oil and gas wells. Drilling fluid is characterized by required viscosity and structural properties within a wide water content range and, in particular, contains, wt %: castor oil 50.0-83.0, colophony calcium resinate (thickener) 4.0, calcium chloride 10.0, Neonol AF-9/12 (emulsifier) 0-0.3, organophilic bentonite 2.0-3.0, water 0-30.0, and penosoline (waterproofing agent) 0-20. ^ EFFECT: improved environmental condition. ^ 2 cl, 2 tbl