Advanced Hydraulic Fracturing with 3D Models: Atyrau

Learn more Date of Training
10 Sep 2018

Course overview

This course is ideal for those who have some theoretical understanding and practical experience of hydraulic fracturing, and want to significantly increase their knowledge and expertise.

We will conduct detailed discussions of fracturing concepts that are either generally accepted or assumed, and are used in fracturing design, application, and analysis. The strengths and weakness of the various approaches to fracturing will be covered.

The course is designed for

Production, operations, and completions engineers, and supervisors, who are actively involved in hydraulic fracturing design, application and analysis, and desire a more in-depth understanding of the theoretical and practical aspects. Attendees should have some previous fracturing experience, or should have already attended a basic or intermediate level Hydraulic Fracturing Applications course.

Learning objectives

Upon completion of the course, the trainee will be able to:

  • Acquire the required data
  • Check the validity of the data
  • Input the data into a fracture simulator
  • Design a frac treatment
  • Plan and supervise a frac treatment
  • Quality control
  • Post-frac analysis and evaluation.

The course is based on the innovative ideas and concepts built into the FRACPRO Simulator. As such, the use of powerful and unique features will be learned:

  • Net pressure matching
  • Design for Net pressure development
  • Fracture Entry Friction Analysis
  • Tip effects (dilatancy)
  • Multiple fractures
  • Proppant convection, etc.

The emphasis is on:

  • Candidate selection and screening
  • Physically and economically optimized designs
  • Safe placement to completion (avoiding unplanned job terminations: screenouts)
  • Effective placement, packing of the fracture with proppant, aka TSO design and placement
  • Real-time, real-data, on-location, Minifrac and Mainfrac analysis
  • Mainfrac Treatment analysis and evaluation
  • Pre and post frac QA-QC

The above are accomplished by focusing on resolving the two major issues in Propped Hydrofracture Stimulation:

  • Can the treatment be placed safely and effectively to completion?
  • Was the placement effective? (Is the proppant opposite and all along the payzone?).

Emerging advanced technologies

During the last decade, the field of hydraulic fracturing has experienced tremendous technological development, which is slowly implemented in field operations. Some developments to be covered are listed in Emerging Advanced technologies in the outline below.

Actual case studies

To reinforce the learning experience, actual case studies from around the world, will be demonstrated in the classroom. In addition, some exercises will be worked on in groups, in order to gain confidence in the application of the technology.

Course outline

Introduction to Well Stimulation

Definition and Methodology of Well Stimulation

Candidate Selection and Optimization

Stimulation Objectives and Types
Stimulation Candidates
Methodology and Example

In-Situ Stress and Stress Testing

Definition and Importance of In-Situ Stress
Estimating Stress Orientation
Estimating Stress Magnitude
Direct Methods
Stress Test Analysis

Developing Data Sets

Fracture Modelling
Sources of Data
Pre-Fracture Analysis

Critical Fracturing Concepts

Simplified Fracture Problem
Fracture Initiation and Propagation
Stress Effects
Fracture Modelling
Pressure Matching
Tip Effects (Dilatancy)
Multiple Hydraulic Fractures
Fracture Height Growth
Proppant Convection
Near-Wellbore Tortuosity

Fluid and Proppants

Fluid Properties
Types of Fracture Fluids
Fracture Fluid Additives
Selection of Fracture Fluids
Fracture Propping Agents 

Quality Control and Supervision

Pre-Treatment Prep: Equipment
Pre-Treatment Prep: Proppant and Fluid
Pre-Treatment Prep: On Location
Fracture Treatment QC and Monitoring

Diagnostic Injections

Purpose of Diagnostic Injections
Design and Analysis of Diagnostic Injections
- Fluid Efficiency, Fracture Entry Friction, etc.
Methods to Estimate Bottomhole Pressure 

Real-Time Analysis

Real-Time Analysis
Net Pressure Matching
Methodology for Advanced Real-Time Analysis 

Post-Frac Analysis

Single Well Analysis
Multi-well Analysis
Production Forecasting 

Emerging Advanced Technologies

Downhole mixing
Jet fracturing
Self- suspending proppant
CTU fracturing
Multi-stage horizontal applications
Extended reach applications
Energy recovery (VorTeq)
Environmentally friendly fluids
Re-use of frac water

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Date of Training

10 Sep 2018

KazakhstanHydraulic Fracturing

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