SALT-TOLERANT DRILLING MUD FOR EXPOSING PRODUCING FORMATIONS

SALT-TOLERANT DRILLING MUD FOR EXPOSING PRODUCING FORMATIONS

FIELD: oil and gas production. ^ SUBSTANCE: salt-tolerant drilling mud containing dm formate (9-44%) as weighting substance, polymer (3-5), marble powder (0-10%) as filler, and water has polymer called Fito-PK. ^ EFFECT: enhanced flocculation properties of drilling mud to remove sludge during cleani...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: PROLUBSHCHIKOV SERGEJ VASIL'EVICH, JAKOVLEV IGOR' GRIGOR'EVICH, BUD'KO ANDREJ VASIL'EVICH, OVCHINNIKOV VASILIJ PAVLOVICH, FROLOV ANDREJ ANDREEVICH
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: salt-tolerant drilling mud containing dm formate (9-44%) as weighting substance, polymer (3-5), marble powder (0-10%) as filler, and water has polymer called Fito-PK. ^ EFFECT: enhanced flocculation properties of drilling mud to remove sludge during cleaning and heat resistance of drilling mud with low chemical aggression toward environment when exposing formations with abnormally high formation pressure. ^ 1 tbl