Research of Temperature Resistant Clay Stabilizer

Shangkui ZHOU

Abstract


A new polyquarternary ammonium clay stabilizer was synthesized in aqueous solution at low temperature by chosing acrylamide(AM) and dimethyldiallylammonium chloride(DMDAAC) as starting materials and redox system as initiator. its properties were evaluated, action mechanism was deeply studied and field tests were carried out in Chunliang oil field. Laboratory test of performance evaluation shows that it has good compatibility with acid and formation water, good swelling inhibiting ability, swelling inhibiting rate of 1% CSR is over 90% measured whether by dilatometer or centrifugalization method, it has good Erosion and Temperature resistant Property and long effect. It has been applied for 19 wells, the results also indicate it has success ratio of 100% and period of validity is more than 200 days when CSR is applied as clay stabilizer to deal with oil and water well, it has achieved great stimulation effect.


Keywords


Clay stabilizer; Swelling inhibiting ability; Performance evaluation; Long effect; Temperature resistant property

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References


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DOI: http://dx.doi.org/10.3968/10086

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