This course provides knowledge and skills needed to examine well damage issues and take appropriate actions.
Public :
Drilling or completion engineers, supervisors, lab or production professionals, non-specialists in wellbore treatment.
Level :Knowledge
Prerequisite :
Knowledge in well operations, well performance or stimulation techniques.
Course Content
INTRODUCTION TO WELLBORE TREATMENTS
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Duration : 6 hours
Fundamental reminders on Productivity Index (PI), the skin effect and flow efficiency, the different components of the skin.
Productivity issues: cause of low productivity, nature and origins of well damage, location of problems and possible solutions.
Damage due to fluids: mechanisms, prevention.
MATRIX TREATMENT: ACIDIZING…
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Duration : 6 hours
Aims; how it works.
Carbonate rocks and sandstones; inner characteristics, reactivity to injected fluids.
Choosing the acids and the additives.
Choosing the wells to be treated.
Design: preparation, checks and guidelines during the operation, after the acidizing (flow back…), possible cause of failure, coiled tubing…
HYDRAULIC FRACTURING
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Duration : 6 hours
Aims and principles; candidate wells.
Frac fluids and fracture propping.
Calculation models and frac impact on PI.
Design; program, frac evaluation.
Other cases: pre-frac, minifrac, acid frac.
SAND CONTROL
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Duration : 6 hours
Basics: consequences of sand, prediction of sand, sand analysis.
Sand control techniques; case of mechanical processes (determining the gravel and the screens…).
Design: cased hole gravel packing, openhole gravel packing, preparing the gravel pack, various methods, guidelines.
WATER OR GAS SHUT-OFF & DEPOSITS
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Duration : 4 hours
Origin of the problems.
Remedial.
Debate around several examples.
Case study.
KNOWLEDGE ASSESSMENT
Learning Objectives
Attendees will be able to implement the following skills:
identify the nature and the origins of well damage,
choose the adequate stimulation method,
perform a basic calculation of HF & acidizing,
understand the method to select the candidate well for stimulation,
learn how to deal with sand production and water coning.
Ways & Means
Animations - Exercises.
Visit of a rock mechanics and reservoir-wellbore interface laboratory.
Application to a real case (project) for the participants in the “Drilling & Completion Engineering” training course.
Learning assessment
Quiz.
More
Additional information :Kindly refer to the following complementary courses which might be of interest: “Matrix Acidizing” and “Basic Hydraulic Fracturing”.
Coordinator :IFP Training instructors, with expertise in the field and trained in modern teaching methods adapted to the specific needs of learners from the professional world.
To French entities : IFP Training is referenced to DataDock ; you may contact your OPCO about potential funding.
Please contact our disabled persons referent to check the accessibility of this training program : referent.handicap@ifptraining.com
IFPT Account
