摘要
由两种阳离子聚电解质和两种阴离子聚电解质两两复配，考察了其相容性、抗温性、抗盐性、浓度和ｐＨ的影响以及最佳复配比例，结果表明：复合物具有良好的抗盐、抗温、抗酸性。对防膨絮凝性能的考察后得知，复合物具有良好的防膨性能和维护泥浆性能，且具有配制工艺简便的优点。
Two cation polyelectrolytes were respectively mixed with
two anion polyelectrolytes, and the resultant complexes were examined on their ability to
stabilize the wall of well and inhibit swelling of clay. Analyses were made on the compatibility,
salt resistance and optimum proportions of the polyelectrolytes in the complexes, with the
influence of pH taken into consideration. Results of the tests show that the complexes are
highly salt- and acid-resistant and are good in properties of inhibiting clay expansion and
upholding the properties of drilling fluid. The mechanism of clay-swell inhibition by the
complexes is discussed.
出处
《西南石油学院学报》
CSCD
1999年第1期74-78,共5页
Journal of Southwest Petroleum Institute
关键词
聚电解质
粘度
膨胀
絮凝
钻井泥浆
性能
polyelectrolyte
viscosity
clay expansion
flocculation
mechanism
