PETE 348 Lab No. 13 - UNIVERSITY OF LOUISIANA-LAFAYETTE...

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UNIVERSITY OF LOUISIANA-LAFAYETTE Department of Petroleum Engineering HIGH TEMPERATURE /HIGH PRESSURE EFFECTS ON SALT/CEMENT CONTAMINATED WATER BASED DRILLING FLUID Experiment No. 13 PETE 384, Drilling Fluids Laboratory Section 001 Date performed: 4/19/2005 Date submitted: 4/26/2005 Submitted to: Dr. Ali Ghalambor Submitted by: ____________________________ Ca Team Members: tt Dte
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TABLE OF CONTENTS I. Abstract 3 II. Introduction 4 III. 5 IV. Discussion 6 V. Conclusions 8 VI. Data 9 VII. References 11 I. Abstract 2
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Known to be an important condition of drilling operations, certain geographic areas are known to have significantly higher temperature gradients than the average of 1.0 º F increase in temperature for every 100 feet increase in depth for the Gulf Coast. This means that when taking into account the surface temperature (for this example to be 74.0 º F), a well with a 12,000ft TVD could have an ambient formation temperature at depth near 194.0 º F. As we know, water boils at about 212 º F and the effects on a drilling fluid could be significant depending on the fluid being used. The effects of hydrostatic pressure can also affect a fluids performance. Understanding the changes the rheological properties of a drilling fluid as temperature and pressure are in these higher ranges is necessary in order to control its performance and characteristics. This experiment studies the effects of temperature and pressure (as applied by a Fann High Temperature and High Pressure (HP/HT) Test Cell) on a water based bentonite drilling fluid. This apparatus is designed to reflect the effects of depth on a water based bentonite fluids cake building characteristics and filtrate loss properties as contaminants of salt and cement are added. The results of the experiment and static test data from previous experiments are listed in Table 1 . II. Introduction 3
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Testing the fluid loss rates and the cake building characteristics of a drilling fluid during the drilling process is necessary to understand the properties of the drilling fluid during different phases of the drilling process. The rate of filtrate fluid loss form the fluid
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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. 13 - UNIVERSITY OF LOUISIANA-LAFAYETTE...

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