PE25402 Well Drilling Equipment and Operations – Semester IV – Petrol – R-2025

Subject Code & Name: PE25402 – Well Drilling Equipment and Operations

Regulation: R-2025

Semester: IV (Fourth Semester)

Branch: B. Tech. Petroleum Engineering (Petrol)

Credits / L-T-P: 3 Credits | L-T-P: 3-0-0

Course Objectives

• To make the students learn about the Drilling Process and Drilling Equipments.

Full Unit-wise Syllabus

Unit I – Introduction to Drilling Operation

Drilling operations – Location to Rig, Rig Types – Land Types – Marine types- Release Well Bore Diagram, Crews – Operator – Drilling, contractor; Third Party Services.

Activities: Virtual demonstration of drilling operation

Unit II – Components of Drilling Rig

Components- Overall Drilling Rig, Drilling Sub systems – Mud circulation system – Power – Hoisting Line – speeds and Loads Power – Loading Components – Drill Pipe, Heavy Weight Drill Pipe (HWDP), Drill String Loads - Bottom hole assembly-Drilling Assembly.

Activities: Visual demonstration of various components of drilling equipments

Unit III – Directional Drilling

Well Planning, Two Dimensional, Horizontal, Tools, Techniques, MWD, surveying, Muds, Mud Use, Property measurements, Types, - Pneumatic (Air, Gas, Mist, Foam), Water based, Oil based, solids Control, Definitions, Equipment, Problems, Contaminations Effect.

Activities: Virtual demonstration of directional drilling, recent Case studies from literature

Unit IV – Hydraulics Modeling

Classifications of Fluids, Rheological Models – Rotary Drilling Hydraulics – Jet Hydraulic Optimizing and Maximizing – Circulations Rate Selection – Drill Bit – Jet Sizing – Equivalent Circulations Density, Hole Cleaning. Theory – Vertical and Deviated Holes, Annular Velocities – Carrying Capacity – Pills and Slugs.

Activities: Numerical estimation and optimizing various drilling measures

Unit V – Advanced topics

Origin of Overpressure, Kick Signs, shut-in Procedures, kill sheets, Kill Procedures, Driller’s Methods – Engineer’s Method (Wait and Weight).

Activities: Discuss the merits of various advanced methods in drilling operation

Course Outcomes (COs)

• CO1: Understand the concepts, equipment, and techniques used in well drilling operations.
• CO2: Apply well planning and construction principles to design safe and efficient wells.
• CO3: Evaluate and optimize drilling program design by considering technical, safety, and economic factors.

Assessment Pattern (Quick Note)

• Weightage: Continuous Assessment 40% | End Semester Examinations 60%
• Internal methodology: Assignments (20%), Quiz / MCQs (20%), Solving of Competitive type exam questions (20%), Internal Examinations (40%)

Source: Official Anna University – B. Tech. Petroleum Engineering R-2025 Syllabus
Last Updated: October 2026