COURSE DURATION: 5 days

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LEVEL: ADVANCED

 

By the end of the course you will feel confident in your understanding of:​

• Skin Damage monitoring

• Selection of Additives

• Designing a Stimulation Job.

• Main parameters and KPI’s for a successful Stimulation Operation.

• Coiled Tubing and Stimulation

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What are the Goals?

•  Introduction to stimulation operations

• Formation damage mechanisms and their identification

• Brainstorming on skin damage

• Acids reactions and their selection for carbonates and sandstones

• Acids and additives used in matrix stimulation

• Candidate well selection

• Acid treatment design

• Acid placement and diverting technologies

• Acid displacement and flow back

• Laboratory tests

• Acid fracturing design basics

• HSE and acidizing operations

• Safety & quality assurance

• Well Integrity Principles

• Coiled Tubing and its importance in Stimulation Operations

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How will this Training Course be presented?

This Course will be presented using properly designed slides, some with animation and several videos on relevant issues. Teaching methods include also calculations on related issues. Several examples of actual Stimulation Programs will be presented. E-mails with questions related to the program of the day, will be sent daily to the course attendants that will answer by return e-mail.
 

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DAILY AGENDA​

 

Day 1​

• Reasons to Stimulate a well

• Formation Damage

• Well Operations Damage

• Identifying Formation Damage

• Wellbore Damage and Cleanout

• Identifying Lithology through Casing

• Schematic of Formation Damage

• Near Wellbore Damage

• Sludges

• Scale Damage and Removal

• Lab Tests to investigate Formation Damage

• Monitoring the Acid Flow Back

• Capturing information before, during and after the job.

• Damage Removal Treatment Process

• Matrix Treatment Selection

• Selection of Candidates for Stimulation

• Productivity Index

• Skin Effect

• Darcy’s Law

• Concepts of Permeability and Porosity

• Wettability

 

Day 2

• Diagenesis of Rocks (Geology)

• Rock type distribution

• Sandstones

• Carbonate Rocks

• Hydrocarbon Reservoirs

• Types of acids

• Perforation Damage

• HCL in Oil Industry

• Organic Acids

• Pre-Job Key Factors

• HSE Key Points

• Checklist for Acid Job Design

• Checklist for Acid Placement

• Treatment Guidelines

• Vertical/Horizontal Well Considerations

• Matrix Treatment Selection

• Matrix Acidizing Design Guidelines

• On-site evaluation of an Acid Treatment

• Types of Acids for Different Formations

• Matrix Treatment Selection

• Damage removal treatment process

 

Day 3

• Matrix Acidizing of Carbonates

• Depth of Damage

• Treatment Design Parameters

• Matrix Acidizing of Naturally Fractured Carbonates

• Carbonates (Vertical and Horizontal Wells)

• Carbonates vs. Sandstones

• Matrix Acidizing of Sandstones

• Sandstone Acid Systems

• Precipitates (in Sandstones)

• Typical Over flushes for HF Treatments

• Methods of Controlling Precipitates

• Example of a Gas Well Damaged by Stimulation

• Matrix Acidizing Volume Guidelines (Sandstones)

 

Day 4

• Additives for Stimulation

•  Applications of the Additives

• Iron  Control

• Inhibitor Effectiveness

• Surfactants

• Special Additives

•  Selection for Damage Removal

• Commercially Available Solvents 

• Emulsions and Sludges

• HCL Emulsion with Oil Base Mud

• Scales: The Scaling Process

• Paraffins and Asphaltenes

• Non-Acid Matrix Treatments

• Field Equipment for Acid Jobs

• Acid Placement and Diversion

• Chemical Diverting Agents

• Comparation of Diversion Methods

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Day 5

• Lab Testing and Recommended Compositions

• Formation Fluid Analysis

• Core Testing

• Wettability and Petrophysics

• Porosity and Permeability Measurement

• Core Flow Tests

• Laboratory Test (Field Case)

• Job Design

• Typical HF Acid Treatment

• ROI (Return Of Investment)

• Fracture Acidizing

• Coiled Tubing for Successful Stimulation Jobs

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INSTRUCTORS:

Antonio Abreu is a Senior Petroleum Engineer with a M.Sc. in Mechanical Engineering from the University of Lisbon, Portugal. Antonio has over 40 years’ experience in oilfield production technology. He performed extensive work in the areas cementing, stimulation, well integrity, CT operations, well testing, slickline operations, wireline operations, reservoir monitoring and optimization, gas lift operations, production logging, perforation operations, sand control, water and gas shut off, etc. He started his career in April 1979 with Dowell Schlumberger in France. Further assignments included positions as Assistant to Technical and Marketing Manager (DS/Singapore), Offshore Manager / Cementing Services (DS/Libya), General Services Supervisor (DS/Algeria), Assistant Operations Manager/Aktau/Kazakhstan (Partex), Senior Petroleum Engineer (ADCO/Bu-Hasa Field) and Senior Petroleum Engineer (Dragon Oil Dubai and Turkmenistan).

Antonio is an experienced lecturer of many industry training courses in the areas of Petroleum and Production Engineering and was also assigned during several years as instructor at BTC (Dowell Schlumberger Training Centre, Santa Cruz de la Sierra/Bolivia). The last four years he was working as Training Consultant in UAE. He is a Partner Founder of OGExperts.

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Luis Remisio: Mining Engineer (IST, Lisboa), Petroleum Engineer (IFP, Paris), Leadership Certificate in (Ashridge, UK). 43 years of experience in the industry of Oil and Gas in 7 countries (Angola, United Kingdom, Australia, Zaire, Portugal, United Árabe Emirates and Kazaquistan in the areas of Safety of Operations, Technology of Production, Surveys, Conceptual Project of Surface Instalations, Development/Training of Technitians and Technical and Finance Management.

He teaches Oil, HSE and Leadership courses. He is a Partner Founder of OGExperts.

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Cipriano Costa: Masters in Chemical Engineering  –  Petroleum Refining & Petrochemistry-FEUP Porto, (1978). Worked in the Lubricants refining plant of Petrogal and in several countries around the world (Libya, Algeria, United States, Middle East, North Sea and Central Africa) with Halliburton Corporation, having performed several duties in almost all technical areas of the Oilfield both Onshore and Offshore and also PDC (Personal Development Coordinator), BDM (Business Development Manager) and Technical Advisor for Completions.

Has post-Graduation in Petroleum Engineering by University of Texas – Austin.

He is a specialist in Fracturing, Chemical Stimulation, Cementing and Completions.

He is a Partner founder of OGExperts.

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