Lec. 2 equipment

Department Overview

Department of Earth Sciences and Petroleum

Module: Drilling

College of Science, Salahaddin University – ErbilIntended for Second/Third-Year StudentsAcademic Year: Second Semester (2024 – 2025)Instructor: Dr. Mahdi Khairi Aswad, PhD in Petroleum GeologyContact: mahdi.aswad@su.ed.krdDate: 4 February 2025

Course Outline

• Well Classification

• Rig Crew

• Rig Types

• Main Rig Components

Learning Outcomes

• Understand Well Classification

• Learn about Rig Crew

• Comprehend Rig Types and operations in Kurdistan

• Understand Main Rig Components at all operations

Well Classifications

Types of Wells:

1. Trajectory Types: Vertical, Deviated, Horizontal, Multi-lateral

2. Objective Wells: Exploration, Appraisal, Development (Producer, Injector, Water source)

3. Environments: Onshore, Offshore

Rig Crew Roles

• Company Personnel: Company Man, Geologist

• Rig Crew: Tool Pusher, Driller, Assistant Driller, Derrick Man, Floor Man, Roustabout

• Service Crew: Mud Loggers, Mud Engineers, Cementing Engineers, Wireline Engineers

• Catering Crew: Chef, Waiter, Room Boy, Laundry Crew

• Additional Roles: Rig Manager, Electrician, Mechanic, Welder, Comp Boss, Driver

Rig Types

1. Top Drive Rig: High cost, provides control, enables simultaneous rotation and pumping

2. Kelly Drive Rig: Limited rotation when downpipe

Main Rig Components

1. Power System: Utilizes diesel generators for power distribution

2. Hoisting System: Raises and lowers drilling pipes; includes Drawworks, Crown Block, Deadline, etc.

3. Rotating System: Rotates the drilling bit; comprises Rotary Table, Top Drive, Kelly System, etc.

4. Circulating System: Pumps and maintains drilling fluids; consists of Mud Pit, Mud Pump, etc.

5. Substructure: Acts as a foundation for equipment and well control

6. Blowout Prevention System (BOP): Seals the wellbore, prevents uncontrolled flow of fluids, and is crucial for safety in high-pressure formations. Installing a BOP is essential for protecting personnel and equipment from blowouts, which can result in catastrophic accidents.

Conclusion

Comprehending rig components is vital for ensuring safe and