PETE 348 Lab No. 5 - THE UNIVERSITY OF LOUISIANA- LAFAYETTE...

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THE UNIVERSITY OF LOUISIANA- LAFAYETTE Department of Petroleum Engineering Effects of Mud Treating Agents on a Fresh Water Drilling Fluid Experiment No. 5 PETE 384, Drilling Fluids Laboratory Section 001 Date performed: 2/22/2005 Date submitted: 3/1/2005 Submitted to: Dr. Ali Ghalambor Submitted by: ____________________________ Team Members: J
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I. Abstract 2 TABLE OF CONTENTS I. Abstract 3 II. Introduction 5 III. 6 IV. Data and Figures 7 V. Discussion 13 VI. Conclusions 16 VII. Recommendation 17 VIII. References 18
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The purpose of this experiment was to determine the properties and effects that different types of additives and/or contaminants have on bentonite mud. Changes in the mud include the additions of water, an unknown additive (in this case was diesel oil), sodium acid pyrophosphate (SAPP), Magcophos (a dispersing agent), and a 10/30 mix of Quebracho (caustic soda which is a strong base). Properties measured include apparent viscosity, plastic viscosities, mud weight, pH, and yield and gel strengths. A brief of the results of this experiment are as follows: Table 1: Change in mud as a result of the addition of water. Sample #1 - Addition of Water Vol % added 0 0.3 0.9 1.4 2.9 4.3 5.7 Total cc added 0 1.0 3.0 5.0 10.0 15.0 20.0 Mud Density, ppg 8.5 n.a. n.a. n.a. n.a. n.a. n.a. 600 RPM Reading 16 17 16 15.5 15 14 13.5 300 RPM Reading 9 9 9 9 8 7.5 8 10 second gel 0 0 0 0 0 0 0 pH 7 7 7 6 6 7 7 Apparent Viscosity 8 8.5 8 7.75 7.5 7 6.75 Plastic Viscosity 7 8 7 6.5 7 6.5 5.5 Yield Point 2 1 2 2.5 1 1 2.5 Table 2: Change in mud as a result of the addition of diesel oil. Sample #2 - Addition of "Brand X" Volume % added 0 0.3 0.9 1.4 2.9 4.3 5.7 Total cc added 0 1.0 3.0 5.0 10.0 15.0 20.0 Mud Density, ppg 8.5 n.a. n.a. n.a. n.a. n.a. n.a. 600 RPM Reading 16 15 15 15 15 16 12 300 RPM Reading 9 8 10 8 8 8 10 10 second gel 0 0.5 1.5 1 1 1.5 0 pH 7 7 7 7 7.5 7.5 7.5 Apparent Viscosity 8 7.5 7.5 7.5 7.5 8 6 Plastic Viscosity 7 7 5 7 7 8 2 Yield Point 2 1 5 1 1 0 8 Table 3: Change in mud as a result of the addition of SAPP. Sample #3 - Addition of SAPP 3
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lb/bbl added 0 0.1 0.2 0.4 1 2 3 Mud Density, ppg 8.5 n.a. n.a. n.a. n.a. n.a. n.a. 600 RPM Reading 16 15 15 15 15 14 14 300 RPM Reading 9 8 8 8 7 7 8 10 second gel 0 1.5 1 1 1 1 1 pH 7 7 6.5 6 5.5 5.3 5 Apparent Viscosity 8 7.75 7.5 7.5 7.4 7.25 7.2 Plastic Viscosity 7 7 7 7 7 6.7 6.7 Yield Point 2 1.5 1 1 0.8 1.1 1 Table 4: Change in mud as a result of the addition of Magcophos. Sample #4 - Addition of Magcophos lb/bbl added 0 0.1 0.2 0.4 1 2 3 600 RPM Reading 16 15 14.5 15 14.5 14 14 300 RPM Reading 9 8 8 7.5 7.5 8 8 10 second gel 0 1 1 1 1 1 1 pH 7 7 7 7 7 7 6 Apparent Viscosity 8 7.5 7.25 7.5 7.25 7 7 Plastic Viscosity 7 7 6.5 7.5 7 6 6 Yield Point 2 1 1.5 0 0.5 2 2 Table 5: Change in mud as a result of the addition of Quebracho. Sample #5 - Addition of 10/30 Caustic-Quebracho
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PETE 348 Lab No. 5 - THE UNIVERSITY OF LOUISIANA- LAFAYETTE...

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