Land Drilling – Level 2
About this course
Course Title: Land Drilling – Level 2 (Intermediate)
Duration: 4-6 Weeks
Prerequisites: Basic knowledge of drilling operations (Level 1 or equivalent experience)
Module 1: Advanced Drilling Rig Components & Systems
1.1 Rig Types & Selection Criteria
Overview of land rigs (mechanical, electric, hybrid)
Key factors in rig selection (depth capacity, power, mobility)
1.2 Hoisting System
Drawworks, crown block, traveling block
Load calculations & safety factors
1.3 Rotary System
Top drive vs. rotary table
Kelly bushing and master bushing functions
1.4 Circulation System
Mud pumps (triplex, duplex)
Solids control equipment (shale shakers, desanders, centrifuges)
Module 2: Drill String Design & Downhole Tools
2.1 Drill Pipe & Bottom Hole Assembly (BHA)
Drill pipe grades, tool joints, and fatigue management
BHA components (stabilizers, drill collars, heavy-weight pipe)
2.2 Drill Bits & Performance
Bit types (PDC, roller cone, diamond)
Bit selection based on formation hardness
2.3 Downhole Challenges
Stuck pipe prevention & fishing tools
Basics of directional drilling tools (MWD/LWD)
Module 3: Drilling Fluids & Hydraulics
3.1 Mud Properties & Rheology
Density, viscosity, gel strength, and filtration control
Mud testing procedures (Marsh funnel, viscometer)
3.2 Hydraulics Optimization
Pressure losses, ECD (Equivalent Circulating Density)
Nozzle selection and jet impact force
3.3 Hazard Management
Lost circulation materials (LCM)
Gas kick detection and mud weight adjustments
Module 4: Well Control (Intermediate Level)
4.1 Kick Detection & Shut-In Procedures
Warning signs (pit gain, flow rate changes)
Soft vs. hard shut-in methods
4.2 BOP Stack & Equipment
Annular preventers, ram BOPs, and choke manifolds
API standards for BOP testing
4.3 Kill Methods
Driller’s method vs. Wait-and-Weight method
Simulations and case studies
Module 5: Casing & Cementing Operations
5.1 Casing Design Principles
Casing strings (conductor, surface, intermediate, production)
Burst, collapse, and tension calculations
5.2 Cementing Process
Slurry design (additives, thickening time)
Primary cementing techniques
Module 6: HSE & Operational Best Practices
6.1 Risk Assessment (JSA, HAZID)
6.2 Emergency Response Plans
6.3 Environmental Protection Measures
Practical Components:
Simulations: Well control scenarios using drilling simulators.
Rig Visits: Observation of BHA handling, mud mixing, and casing running.
Case Studies: Analysis of drilling incidents (e.g., blowouts, stuck pipe).
Assessment:
Quizzes after each module
Final written exam
Practical evaluation (simulator or field demonstration)
This course balances theory and hands-on learning, preparing participants for supervisory roles or specialized drilling tasks. Let me know if you'd like adjustments or additional details!
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Advanced drilling rigs utilize complex systems and components for efficient and safe well construction. Key systems include hoisting, rotary, circulation, power, and blowout prevention (BOP). These systems work together, with components like drawworks, masts, drill pipe, and mud pumps, to lift, rotate, and manage fluids during the drilling process.
Drill string design involves selecting and configuring a system of pipes and tools to deliver weight, rotation, and fluid to the bottom of a well. Downhole tools are specific components within the drill string used to perform drilling operations.
Drilling fluids and hydraulics are crucial aspects of well drilling, focusing on controlling formation pressures, removing cuttings, and maintaining wellbore stability. Drilling hydraulics, in particular, deals with the circulation of fluids in the wellbore, including fluid mechanics and pressure management.
Well Control Intermediate Level courses, often associated with IWCF (International Wellsite Control Forum) or IADC (International Association of Drilling Contractors) certifications, are designed to equip individuals with the knowledge and skills to manage and control wellbore pressures during drilling and well intervention operations. These courses typically cover topics like pressure control, kick detection, shut-in procedures, and well control equipment.
Key aspects of Well Control Intermediate Level courses:
Pressure Control:
Understanding and managing wellbore pressures to prevent kicks (uncontrolled inflow of fluids) and maintain well stability.
Kick Detection:
Identifying early signs of a kick and implementing appropriate procedures to prevent it from escalating.
Shut-in Procedures:
Learning how to shut down a well safely and effectively in the event of a kick.
Well Control Equipment:
Understanding the function and use of BOPs (Blowout Preventors), choke manifolds, and other well control equipment.
Simulator Training:
Practical hands-on experience using simulators to practice well control procedures under simulated conditions.
Kill Sheet Development:
Learning how to create a kill sheet, which is a detailed plan for killing a well with a kick.
Well Kill Methods:
Understanding different well kill methods like Driller's, Wait & Weight, and Volumetric methods.
Advanced Concepts:
Exploring advanced topics like wellbore hydraulics, risk management, and unusual well control scenarios.
Who should consider taking these courses?
Drilling Personnel: Roughnecks, Derrickmen, and Mud Loggers involved in the drilling process.
Wellsite Supervisors and Engineers: Individuals responsible for overseeing well control operations.
BOP/Subsea Engineers: Engineers working with blow-out preventers and subsea equipment.
Well Servicing Personnel: Those involved in well intervention and workover operations.
Benefits of Well Control Intermediate Level training:
Enhanced Safety:
Improved understanding of well control principles and procedures, leading to safer drilling operations.
Increased Confidence:
Greater confidence in handling well control emergencies and making critical decisions.
Career Advancement:
IWCF and IADC certifications are industry-recognized and can enhance career opportunities.
Global Recognition:
IWCF certifications are widely recognized internationally, making them valuable for those seeking to work globally.
Where to find these courses:
IWCF Training Centers: IWCF's website provides information on accredited training centers worldwide.
IADC Training Providers: IADC's website lists training providers offering WellSharp courses.
Other Oil and Gas Training Providers: Companies like Maersk Training, Samson Tiara, and Wild Well Control offer well control training programs.
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Casing and cementing is a crucial process in oil and gas well drilling where steel casing is installed and cemented in place to protect the wellbore and seal off formations. This operation involves running casing, connecting it with tools, and then pumping a cement slurry down the casing and up the wellbore annulus to isolate different geological layers and secure the casing. The cementing process is monitored, and the job is complete when the cement has displaced the calculated amount and a top plug separates from a bottom plug.
HSE (Health, Safety, and Environment) best practices in operations involve a multifaceted approach that prioritizes risk management, incident prevention, and continuous improvement. This includes establishing clear policies, providing comprehensive training, conducting regular audits, and fostering a culture of safety and environmental responsibility.
