Oil & Gas and Petroleum

Advanced Directional Drilling and Fishing Operations

Select Other "city & date"

Introduction:

These 5 days course is divided into 2 major subjects:

Course Objectives:

Attendees will learn:

UTM and grid coordinates,
How to design directional wells, horizontal and multilateral wells, understand BHA’s, MWD, surveying equipment, survey calculations and error quantification.
Identify major fishing equipment.
Diagnose the fishing operation and choose the appropriate fishing tools for the job.

Who Should Attend?

Drilling, completion engineers, supervisors and service company personnel

Course Outlines:

Reasons for directional wells
Declination and Convergence
UTM & Grid coordinates
Factors Affecting Hole Deviation Including Formation and Drill string Factors.
Bottom hole assemblies. Placement of stabilizers.
Survey Reference Points
Calculations and Well path Plotting
Surveying Tools and Accuracy
Types of Directional Wells: types 1, 2 and three and calculations.
Kick off Points, Build up and Drop off Rates
MWD and LWD
Drill string design
Directional Drilling Techniques: Well path Design Calculations, Course Corrections, Tools
Designing horizontal wells: kick off points, tangent and landing sections
Long-, Medium-, & Short-Radius Wells; Extended Reach Wells, S-Bend Wells. Multi lateral designs. Joints integrity.
Complete Well Planning Exercises
Cluster Wells
Collision Analysis
Survey Errors, Quantification of Error Sources
Ellipsoid Descriptive Equations
Spider plots & travelling cylinder
Drill string Design: Drill Pipe Selection, Drill Collar Selection
Buoyancy Factor Method: Procedure for Selecting Drill collars
Heavy-Walled Drill pipe (HWDP), Stabilizers, Drilling Jars, Shock Subs
Drill string Design Criteria, Dogleg Severity Analysis
Casing strength and tool strength specification
Milling tools and assembly
Hole cleaning and swarf removal
Window milling
Milling junk
Standard fishing tools
Fishing operations
Fishing economics
Free point indicator
Explosive charges
Torque calculations
When to give up
management decision statements
When to quit?
Different options of fishing.