Effect of Mud properties on salt dome drilling

Effect of Mud Properties on Salt Dome Drilling

Prepared by:Nikhil G BarshettiwarMIT Pune

Contents

• Introduction• Effect of Mud Weight• Effect of Mud Temperature• Effect of Mud Chemistry• Conclusion• References

Introduction

Introduction

Effect Of Mud Weight

8 10 12 14 16 18 200

0.05

0.1

0.15

0.2

0.25

0.3

0.35

f(x) = 0.005449209152103 x² − 0.189430958855164 x + 1.64170410188333R² = 0.995329474999925

Closure rate Vs Mud weightPolynomial (Closure rate Vs Mud weight)

Mud weight (ppg)

Clos

ure

rate

(inc

h/ye

ar)

Effect Of Mud Weight

Effect Of Mud Weight

Effect Of Mud Weight

Effect Of Mud Weight

Effect of Temperature

0 50 100 150 200 2500

2

4

6

8

10

12

14

f(x) = 0.000729406404587581 x² − 0.13053977580286 x + 5.05295888321903R² = 0.956188599651189

Strain rate Vs TemperaturePolynomial (Strain rate Vs Temperature)

Temperature deg C

Star

inn

rate

, yr

-1

Effect of Temperature

0 50 100 150 200 2500.001

0.01

0.1

1

10

f(x) = 9.57939912138068E-11 x^4.627154758055R² = 0.987650211116795

Closure rate Vs TemperaturePower (Closure rate Vs Temperature)

Temperature deg C

Clos

ure

rate

yr-

1

Effect of Mud Chemistry

References• Juren Xie et al.’, “Modeling and Analysis of salt creep formations in Drilling Applications”, C-FER Technologies Inc Canada

•M.B. Dasseult’, “Drilling through salt: Constitutive behavior and drilling strategies”, GEOMECH

•Craig Beasley’, “Brazil’s salt play”, Oilfield Overview

•Zee et al.’, “3D Geomechanical Modeling of Complex Salt Structures”, SIMULIA Customer Conference

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