Page 7 - Practical Well Planning and Drilling Manual

Front Matternew.qxd 1/24/05 11:43 AM Page vii

[Contents]

2.4. Drillbit Selection, Parameters, and Hydraulics 181
2.4.1. Overview of the Structured Approach 181
2.4.2. Evaluating Offset Well Drilling Data 183
2.4.3. Drilling Hydraulics 187
2.4.4. Using Log Data to Aid in Bit Selection 190
2.4.5 Types of Drillbits 192
2.4.6. Defining Recommended Bits 194
2.4.7. BHA Considerations Related to Bits 200
2.4.8. Drilling Program: Bit Selection and 201
Drilling Parameters
2.4.9. References for Drillbit Selection 201
2.5. Drilling Fluids Program 203
2.5.1. Reaction of Clays to Water: General Principles 204
2.5.2. Dispersion and Flocculation of Clays in Water 205
2.5.3. Mud Types Available 206
2.5.4. Dispersed Water-Based Muds 206
2.5.5. Nondispersed or Polymer Water-Based Muds 210
2.5.6. Formation Damage with Water-Based Muds 226
(and Cements)
2.5.7. Oil Muds 232
2.5.8. Components of Invert Oil Emulsion Muds 233
2.5.9. Environmental aspects of Oil Muds 240
2.5.10. Oil Mud Additives 240
2.5.11. Formation Damage with Oil Muds 244
2.5.12. Air, Foamed, and Aerated Systems 246
2.5.13. Tendering for Mud Services 248
2.5.14. References for Drilling Fluids Program 251
2.6 Casing Running Program 253
2.6.1. Normal Drilling Program Requirements 253
for Running Casing
2.6.2. Addressing Potential Casing Problems in 254
the Drilling Program
2.7. Cementing Program 257
2.7.1. Slurry Properties 258
2.7.2. Chemical Washes and Spacers 263
2.7.3. Factors for Ensuring a Good Cement Job 264
2.7.4. Cementing Design for Casings and Liners 267
2.7.5. Cementing Design for Cement Plugs 274
and Squeezes
2.7.6. Special Purpose Cementing 278
2.7.7. References for Cementing Program Design 280

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