PETE 348 Lab No. 4 - THE UNIVERSITY OF LOUISIANA- LAFAYETTE...

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THE UNIVERSITY OF LOUISIANA- LAFAYETTE Department of Petroleum Engineering COLLOIDAL PROPERTIES OF CLAYS FOR ATTAPULGITE , FILTRATION PROPERTIES AND FACTORS AFFECTING RATE OF FILTRATION FOR BENTONITE DRILLING FLUIDS WITH SALT AND BENTONITE ADDITIVES Experiment No. 4 PETE 384, Drilling Fluids Laboratory Section 001 Date performed: 2/15/2005 Date submitted: 2/22/2005 Submitted to: Dr. Ali Ghalambor Submitted by: ____________________________ Team Members: J
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TABLE OF CONTENTS I. Abstract 3 II. Introduction 4 III. 4 IV. Data 5 V. Figures 6 VI. Discussion 11 VII. Conclusions 12 VIII. Recommendation 12 IX. References 12 I. Abstract 2
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and wall building properties of commercial grade water-based Palygorskite or attapulgite (also known as salt gel or bring gel) and bentonite (also known as bentonite gel) drilling fluids by obtaining data through observation of the implementation of a filter press and a viscometer, under lab conditions. The areas of focus of this study were the differences in colloidal properties, namely wall building ability using a filter pres, percent yield and gel strength using a Fann viscometer, of attapulgite and bentonite drilling fluids The second portion of this experiment was conducted to determine the filtration properties of high and low fluid loss mud samples based on time and volume of mud. The fluid loss characteristics and the cake building properties of these two samples as well as that from the first portion of the experiment were recorded for analysis. A brief of the results of this experiment are as follows: 1) The shear stress increased proportionally to the shear rate for each addition of elevated density in the samples. 2) The yield value, apparent viscosity, and plastic viscosity for each sample increased as the mud weight of each sample increased 3) The fluid loss of different volume sample of mud increased as the volume increased. 4) Attapulgite based mud had a higher plastic viscosity, apparent viscosity, and yield
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This note was uploaded on 10/27/2009 for the course PETROLEUM 348 taught by Professor Alig during the Spring '05 term at University of Louisiana at Lafayette.

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PETE 348 Lab No. 4 - THE UNIVERSITY OF LOUISIANA- LAFAYETTE...

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