Basic Drilling, Completion and Work over Operations
Basic Drilling, Completion & Work Over Operations
INTRODUCTION
Equipment and procedures involved with drilling oil and gas wells are described for those who are interested in understanding the drilling process regardless of the academic background. During the first day, the overall drilling process in presented along with definitions and descriptions of drilling equipment. During the remainder of the week, the various components are discussed in greater detail with explanations of the basic science concepts which guide these processes. Subjects include descriptions of:
- Drill bits
- Directional drilling
- Drilling fluids
- Solids control
- Cementing, casing
- Well bore stability
- Well control
- Measurement-while-drilling techniques
- Stuck pipe
- Lost circulation
- Well bore hydraulics
OBJECTIVES
- About drilling equipment and how it is used
- Drilling terminology and abbreviations
- Keys to planning a successful well
- Common drilling problems and how to avoid them
- How to read a morning report
- Technology behind information in a morning report
COURSE OUTLINE
- Overview of the drilling process: Overall drilling practices
- Language of drilling
- Reservoir rock and fluid properties
- Rigs & rig equipment
- Drilling string components & design Bits; Rig operation
- Drilling fluids & hydraulics MWD; Well control
- Hole problems and stuck pipe
- Drilling risks
- Cores and coring
- Casing design & installation
- Primary cementing
- Directional, horizontal, multilateral and under-balanced drilling
- Wellhead & trees
- Overview of the completion process: Zonal isolation
- Tubing, packers & completion equipment
- Safety & flow control devices
- Open hole completions
- Basic completion types
- Perforating
- Open & cased hole logging
- Formation damage & treatment
- Completion fluids
- Multiple completions
- Overview of work over techniques :Stimulation application: surfactants, solvents, acidizing, fracturing and deep perforating
- Formation and sand control: chemical consolidation, gravel packing, frac-pack, new and novel techniques
- Scale and corrosion
- Sidetracking
- Paraffin and asphaltenes
- Reworks; Recompletions
- Deepening; Coiled tubing