C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 8/80 (2006.01) E21B 43/267 (2006.01)
Patent
CA 2574808
Composites containing a hydrocarbon-soluble well treatment agent may be supplied to a well using a porous particulate. Such well treatment agents may for example inhibit the formation of paraffins, salts, gas hydrates, asphaltenes and/or other deleterious processes such as emulsification (both water-in-oil and oil-in- water). Further, other well treatment agents include foaming agents, oxygen scavengers, biocides and surfactants as well as other agents wherein slow release into the production well is desired.
Pour introduire dans un puits un mélange comprenant un agent de traitement de puits soluble dans les hydrocarbures, on peut se servir de particules poreuses. Ces agents de traitement peuvent par exemple inhiber la formation de paraffines, de sels, d'hydrates de gaz ou d'asphaltènes, ou encore d'autres processus indésirables comme l'émulsification (émulsions d'eau dans les hydrocarbures ou d'hydrocarbures dans l'eau). Parmi les autres agents de traitement figurent les agents moussants, les désoxygénants, les biocides et les surfactants, ainsi que d'autres agents devant être libérés lentement dans les puits de production.
Becker Harold L.
Kaufman Philip B.
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Bj Services Company
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