问题:从旋转粘度计刻度盘上读出的φ600的读数,即为表观粘度。...
Friday, September 16, 2022
Monday, September 12, 2022
Monday, September 12, 2022
问题:将聚合物钻井液和磺化钻井液结合在一起而形成的一类抗高温钻井液体系...
Friday, September 16, 2022
Saturday, September 17, 2022
问题:聚合物钻井液的动切力与塑性粘度之比控制在()左右。...
Wednesday, September 14, 2022
Saturday, September 17, 2022
Monday, September 12, 2022
问题:密度1.50g/cm3的泥浆100方,用1.02g/cm3的海水降密度到1.30g/cm3,需加海水()方。...
Saturday, October 15, 2022
Saturday, September 17, 2022
问题:以()为基液的钻井液是合成基钻井液体系中的一种。...
Monday, September 12, 2022
Friday, September 16, 2022
Monday, September 12, 2022
Sunday, September 11, 2022
问题:充气钻井液的密度范围一般在0.6~1.0g/cm3。...
Monday, September 12, 2022
问题:由于高温解吸附作用和高温去水化作用所引起的钻井液滤失量增大、粘度降低等变化,温度()后性能又可恢复。...
Wednesday, April 5, 2023
Saturday, September 17, 2022
Thursday, September 15, 2022
Monday, September 12, 2022
问题:已知烧碱的摩尔质量为40g/mol,则5mol烧碱的质量是()...
Thursday, September 15, 2022