Hydroxyethyl cellulose Filtration reducing agent for Oil Drilling Mud industry

  Filtrate Reducing Agent for Oil Drilling FRD-3360 Scope The standard stipulates the technical requirement, test methods, inspection regulation, mark, packing, transportation and storage to Filtrate Reducing Agent for Oil Drilling FRD-360   Normative referenced documents The clauses in following documents, through quoting from the standard, become the clauses of this standard. All the referenced documents date marked,   Technical requirement 3.1       Technical index Sheet 1 for the technical data of Filtrate Reducing Agent for Oil Drilling FRD-360   Sheet 1  Technical Data

Item	Technical Data
Appearance	Slightly yellow or dark yellow viscous liquid
PH	>5.0
Density (g/cm3)	>1.0
Clay mud making reducing rate, %	≥60.0
Content of Chloride ion, %	≤0.1
Content of ferric ion, %	≤0.5

  3.2       Requirement of net content According to No. 75 rule of state quality inspection administration.   Test Method   4.1       Instruments and equipment a)       high speed agitator: GJS-B12K or similar products; b)  six speed rotation viscometer: ZNN-D6S or similar products; c)  Petroleum densimeter; d)  Balance: accuracy class 0.01g, 0.01mg; e)  PH test paper: color gradation 0.2   4.2       Reagent and materials a)       silver nitrate: 0.1mol/L b)       sodium chloride: 0.1mol/L c)       potassium permanganate standard solution: 0.02 mol/L d)       bentonite: standard sodium soil, accord with API standard for drilling fluid inspection.   4.3  Test   4.3.1 Appearance Visual check under natural light   4.3.2 PH Taking 5ml sample into 100ml beaker, adding 50ml distilled water, stirring and diluting. Use the PH test paper for checking the PH value.   4.3.3 How to check the density   4.3.3.1 adding the ready sample       4.3.4          Mud making reducing rate 4.3.4.1  As the rate distilled water: sodium soil=100:10 for making based solution, high speed stirring 20 Min, and then