Drilling-Methods

1.

Drilling Methods
Explore diverse drilling methods, their applications, and key considerations

2.

Overview of Drilling Techniques
Traditional
Advanced
Rotary, Cable
Directional, Electro-, Dual-Wall

3.

Cable Drilling
1
Basics
Using a heavy cable to rotate a drill bit
2
Applications
Water wells, shallow oil and gas exploration
3
Advantages
Cost-effective for smaller projects

4.

Directional Drilling
Target
1
2
3
Reaching specific targets underground
Method
Drilling at an angle, navigating to the target
Applications
Complex geological formations, oil and gas extraction

5.

Electro-Drilling
Electrochemical
Applications
Utilizing electrical currents to break
Hard rock formations, geothermal
down rock
energy
Advantages
Reduced wear on drilling tools,
efficient

6.

Rotary Drilling
Principle
Rotating drill bit grinds through rock formations
Fluid
Circulates mud to cool the bit and remove debris
Applications
Oil and gas exploration, deep water drilling

7.

Dual-Wall Reverse-Circulation Drilling
1
2
3
Dual Walls
Inner and outer walls for stability, containment
Reverse Circulation
Fluid flow direction for optimal debris removal
Applications
Environmentally sensitive areas, geothermal exploration

8.

Factors Influencing
Drilling Method Selection
Geology
Target
Rock type, formation depth,
Desired depth, size, and specific
geological conditions
resources
Environment
Cost
Environmental impact,
Budget constraints, equipment,
regulations, sensitive areas
and operational expenses

9.

Drilling Equipment and
Technology
1
2
Drill Bits
Drilling Rigs
Specialized cutters, diamond-tipped,
Large platforms, mobile units,
polycrystalline
advanced control systems
3
Downhole Tools
Sensors, logging equipment,
directional guidance systems

10.

Emerging Trends in Drilling