| 摘要 |
A drill mud comprises a structure-forming agent, polymeric reducer and inhibitor. It comprises furfuryl alcohol and humate reactant as inhibitor. CMC is used as fluid loss additive, Alta-Mud and/or biopolymer is used as structure-forming agent, extrusion or modified starch iss used as fluid loss additive. In addition the nhibitor comprises polyalkyleneglycol. |
