# Laboratory Experiment No. 8 Density Adjusting Objective: To prep...

## Transcribed Text

Laboratory Experiment No. 8 Density Adjusting Objective: To prepare a mud with desire density using unknown sample Lab Procedure: 1. Use 500 CC of the unknown sample and mix it for 5 minutes. 2. Measure the density of unknown sample using mud balance. 3. Calculate the amount of clay in grams using following equation: m= PV PmVm clay 9.2= me + mud P SG x8.33 PP9 MC + Vmud m1 + m2 V= m 100P = Specific P Pc V1 + V2 mud clay gracity 4. Where, density (p) in gr/cc, mass (m) in gr and volume (V) in CC. 5. The first component is the unknown mud sample and second component is clay. 6. Using mud balance measure mud density in ppg. 7. Measure plastic viscosity and apparent viscosity. Record 600 and 300 rpm readings. 8. Clean and return all equipment to their respective place. Graphs: 1. Plot plastic viscosity (cp) for each sample using "Column Chart". 2. Plot apparent viscosity (cp) for each sample using "Column Chart" 3. Plot Yield point (lb/100 ft2) for each sample using "Column Chart". Questions: Compute the volume in bbl and density in ppg of mud composed my of 20 Ibm of QuikGel , 45 Ibm of barite and 1 bbl of fresh water. 2 3 use above equations is , a gal Data Sheets: Density Adjusting Experiment Date: Group: 4 Sample: No. Clay Measured Measured Type Density final (Unknown) Components Density Viscosity Measurements ppg Mud Clay ppg 0600 0300 cc gm Quike 8.7 500 52.17 9.1 merend 385/853-8763 = Density Adjusting - Materials 9.2 = 1.044 Group 1: Final Density: 10 ppg , Using Zeogle Group 2: Final Density: 10 ppg , Using Aquagel Group 3: Final Density: 10 ppg , Using Barite Group 4: Final Density: ppg , Using Quikgel 9.2 x + 1.044 X 500 Information: = Material Specific gravity 8.33 X + 500 Barite 4.2 2.6 Aquagel 2.65 Quikgel 2.6 X= 52.175 9 Quikge) Zeogel 2.4 Water 1 10 nt = 43 8.33

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Objective:
This experiment investigates the preparation of a mud with desire density using unknown sample.

Introduction:
The main theory of this experiment is based on mixing an unknown sample with some other known components and additives such as water, Barite, Aquagel, Quickgel and Zeogel to achieve a value for density of the mud that engineer would ultimately design for the drilling operation. The equation that is used to relate the mud density to mass...

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