Advanced PTA/PA Pressure Transient y Rate Transient Analysis

  • Fecha: Por confirmar
  • Ciudad: Bogotá

Duración: 40 horas

Horario: 8:00 am a 5:00 pm


Incluye: Uso de software, memorias y certificados de asistencia otorgado por Kappa Engineering.

• For practitioners with at least six months PTA/PA analysis experience
• Self assessment pre-course test en the KAPPA website
• Five day course with additional day options

This course is five days duration. In that time it is impossible to cover every advanced subject in the detail necessary. In the week following this course additional subjects are offered en a ‘pick-and-mix’ basis. These can be selected at the time the course is booked.

Optional subjects include but are not limited to:
• Multi-layer testing
• Interference and pulse testing
• Slug and close chamber testing
• Formation testers
• Fractured horizontal wells
• Unconventional resources

El curso será dictado en español


Para grupos:

  • 5% para el 2do. participante de la misma empresa
  • 10% para el 3er., 4to., y 5to. participante de la misma empresa
  • 15% para el 6to. participante en adelante de la misma empresa

  • Fecha límite de cancelación de participación: fecha por confirmar. En caso de cancelar la participación después de esta fecha, el cliente deberá pagar la totalidad del valor del curso y este valor se abonará para cualquier otro curso de su interés o se permitirá el cambio del participante inscrito hasta 2 días hábiles antes del inicio del curso.
  • Nos reservamos el derecho de hacer ajustes en la agenda académica y fechas límite de confirmación.
  • El curso será formalmente confirmado solo después de la fecha límite de cancelación de participación, o antes si previamente se ha alcanzado el número de inscritos necesario, que garantice el éxito del curso.
  • Si se cancela la realización del curso, efectuaremos el reembolso de pagos, a aquellos participantes que los hayan efectuado previamente.
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Instructor: Didier Viturat

Executive summary
Graduate of the Ecole Nationale Supérieure des Pétroles et des Moteurs de l’Institut Français du Pétrole in France. 30 years worldwide experience in reservoir management, transient test interpretation research, design and analysis. Currently working at the KAPPA head office in technical support of Saphir transient test, Topaze production analysis, Rubis simulator and Emeraude production log interpretation software. Head of Technical Support and KAPPA Principle trainer in transient analysis.

Employment History
1999 to date KAPPA: Based in Sophia Antipolis, France. Head of technical support. Specialised in theplanning, execution and interpretation of transient tests, production analysis and production logs. On the software development and test team for the integrated Ecrin suite including Saphir, Topaze, Rubis and Emeraude. Technical author of software support and training material including the KAPPA Dynamic Flow Analysis book. Providing client technical support for all software. Running in house and public Dynamic Flow interpretation courses.

1998-1999 Geoservices: Based in France, en the development team of well test acquisition system.

1996-1998 Geopetrol: Based in Cuba. Country general manager responsible for all drilling and production activity.

1993-1996 Geopetrol: Based in Cuba. Head of reservoir engineering responsible for long and mid term forecasting using numerical simulation. Designed the field operating program and planned revenue and operating cost schedules.

1990-1993 Geoservices: Based in France in the integrated reservoir study group ‘GEOTOP’, Head of dynamic reservoir description with over 200 projects including the numerical description of the Offenburg filed in Germany (fissured limestone), an integrated study of Cordoba filed (Heterogeneous gas) and the numerical simulation of underground blowouts.

1990 Flopetrol Schlumberger: Advanced training in open hole and cased hole logging.

1987-1989 Flopetrol Schlumberger: Head of well test training based in the UK.

1985-1987 Flopetrol Schlumberger: Based in France as the RND engineer in charge of developing analytical models in fissured and multiplayer formations.

1977-1985 Flopetrol Schlumberger: Started as a field engineer running well tests later assuming roles as head of well test interpretation in West Africa, Latin America and Central America

Co-author with A.C.Gringarten et al. Well test interpretation in fissured tight carbonate reservoir, a Field Case.

Co-author with Cinco Ley Et Samaniego; Specific problems in well test interpretation in very high permeability reservoirs.


Course programme
Advanced PTA/PA
The Advanced PTA/PA course builds en the knowledge and experience gained from the Foundation PTA/PA course by dealing with the advanced functionality of the PTA module Saphir and PA module Topaze and the more complex aspects of analysis. Many examples are worked ‘hands on’ to illustrate the practical aspects of complex cases using the analytical and numerical methods. In keeping with the effort to keep things as simple as possible, but no simpler, problems are analysed at their simplest level with layers of complexity added as demanded by the particular case.

Pre-requisites to attend the course
To attend the APTA/PA course it is essential you have attended the Foundation PTA/PA (DDA I) or its equivalent and have at least six months of ‘real world’ PTA and/or PA experience. Without this experience it is unlikely you will keep pace with the course.

To check that you are ready to attend the APTA course please try the self-assessment test en our website. If you are an experienced PTA engineer but are not familiar with Saphir we can arrange a free demonstration copy of the software to assist you in your preparation prior to the course. Please contact for assistance.

Software usage
The use of the software will be taught at an advanced level as part of this course. It is essential that attendees have attained a good working knowledge of Saphir and/or Topaze prior to registering for this course.

Using a real field case, a very brief review of user knowledge and a brief revision of key principles to correct any misconceptions and to prepare our indepth look at transient and production analysis tools. The session includes the theory of diffusion, IARF and pseudo-steady state. The concept of the Bourdet derivative including derivation, properties and limitations. Test design and objectives, superposition in time and in space, sensitivity to input parameters, radius of investigation. Transient analysis and where it sits in relation to other reservoir engineering methods. Constant wellbore storage and why it never is, skin components, standard interpretation models including finite radius and fractured wells, doubleporosity reservoirs and boundary effects. This will also include a revision of the use of Saphir, with help on shortcuts and advanced level functionality.

Advanced wellbore models
Well performance models and intake with examples.

Advanced well models
A detailed look and worked examples of difficult limited entry, multilayer slanted, advanced horizontal, multilateral, numerical wriggly well, multi-frac horizontal and horizontal anisotropy. This will include looking at the theoretical derivation and response and comparing this to what happens in the real world. A detailed look at the parameters affecting pressure behavior in horizontal wells including low vertical permeability and partial horizontal drainage.
The session will include a number of real examples to illustrate the various issues.

Advanced reservoir models
Heterogeneous, composite reservoirs; their bad reputation and their real world use illustrated with examples. Advanced 2Φ, 2κ, multi composite, anisotropy and multilayer models stressing their complexity and the non-uniqueness of the solution.

Advanced boundary models
Complex boundary conditions and unconventional limits including constant pressure boundaries, leaking, conductive and non-continuous faults handled with a common sense approach. Finite reservoirs and material balance and the effect of compressibility en reserve estimations. A discussion of the validity of radius of investigation.

The principle and the use of the complete production and pressure history in transient analysis, the use of the method for seeing deeper into the reservoir coupled with the limitations and caveats of the method illustrated by worked examples to help us define, question and verify the reservoir limits.

Minifrac analysis
Developing a consistent workflow combining the G-function plot with derivatives to define the leakoff behavior and the closure pressure. Including after closure analysis (ACA).

Analytical and/or numerical?
Development of the workflow from the simple analytical case through to the numerical case with increasing complexity. From 2D to 3D and multiphase using increasing geological and petrophysical data.

PTA and/or PA?
Comparing the information gained from looking at high resolution, high frequency data (PTA) and low resolution low frequency data (PA). Transient versus boundary dominated diffusion.

Complex PVT
The multiphase problem. Aquifers and the choice and tuning of the model. Non-Darcy flow. Heavy
oil analysis, gas condensate, using the non-linear
numerical model.

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