Title: Formulation and prepn. of sesbania washing liquid for drilling well
Application Number: 85109485 Application Date: 1985.12.23
Publication Number: 1011856 Publication Date: 1987.07.01
Approval Pub. Date: Granted Pub. Date: 1989.02.22
International Classifi-cation: C09K7/02
Applicant(s) Name: Zhongnan Polytechnic Univ. Address:
Inventor(s) Name: Chen Jiemei, Long Wei, Shen Zhongxiang
Attorney & Agent: LI CHUNLIN
Abstract:
     It is prepd. with sesbania jelly powder as the basic stock. The sesbania jelly powder is dissolved in water. The inorganic salt solution containing zine and potassium ions (such as zinc chloride and potassium chloride solution) and sodium hydroxide solution is added. The inorganic salt containing zinc ions can be replaced with borax. The sesbania washing liquid is characterized by its low solid content, good shear thinning performance and rheological property, fine eftect in lessening dehydration and protecting collapse, high capacity resistance the erosion of calcium and magnesium salts.
Time: 7
<- Previous Patent:Refractory material for the induc...   |  Next Patent:Cable sealing glue ->