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Production Logging and Reservoir Monitoring


September 09 – 11, 2013 | Rp. 8.450.000,-  di Bandung
December 16 – 18, 2013 | Rp. 8.450.000,- di Bandung




This course is to summarize the state of the art of production logging technology. It included the example problems to illustrate the use of various theoretical solutions, it also listed an overview of conventional well log technology and is general introduction to the latest methods of production logging technology.

In the absence of production logs, the performances of production or injection wells are evaluated on the basis of data obtained from surface measurements, volumes measured in reservoirs, flow rates from separators and pressure measurements at a given down hole point. These data are generally insufficient to determine the flow rate and nature of the fluids produced from or injected into each point in the well.

Productions logs provide information required for analyzing the behavior of a well interval. This thus makes it possible to answer four fundamental questions:

  1. What are the producing intervals
  2. What fluids do they produce
  3. At what flow rates
  4. What is the apparent mean permeability of the layers

By comparison with the true permeability known from cores or log data, the interconnections between each layer and the well are defined. In new wells, an evaluation made with production logs indicates whether the well is producing as forecast or else whether problems exist in the completion or in reservoir properties. The periodic use of production log is also a way of checking the state the reserve and of following progress in depletion. In this way, maximum recovery can be obtained.

The discovery of problems before the beginning of work over operations enables re-completion procedures to be optimized. Repairs can be simplified and made less dangerous for both the well and the reservoir when the problem has been clearly defined.

Production logs are thus a reliable way for solving many production problems. Their main advantage lies in the capacity for determining how and where fluids flow, even outside tubing’s or casings under production conditions. Production logs are very often used for diagnosing defects altering the proper functioning of well, i.e. tubing leaks, casing leaks, communications due to channeling as result of improper cementing, low-pressure intervals taking up part of the effluent.

In this course, it has also included example problems to illustrate the use of various theoretical solution. Wherever possible, it has not only discussed practical difficulties that one may encounter while using the theoretical solutions, but it has also listed some of the method that one can used to obtain the desired information. It also included descriptions on field histories wherever they were available.

This course is mainly directed to the practicing professionals who make engineering calculations and decision on production and injection well applications. For managers, the book helps to review the present state of the art. It also outlined some of new method in production log technology that exist today, such as radioactivity log. These gaps in technology will be useful for research engineers and research professionals to determine the areas of future research.


  • Operator/ Sr. Operator/ Engineer/ Non Engineer
  • Petroleum Engineers, Reservoir Engineers, Production Engineers
  • Well Service Engineers
  • Everybody or professionals who wants to better understanding and broaden their knowledge from the course subject


Overview of Conventional Logging

  • Formation Evaluation from Logging Data
  • Rock Properties From Logging Data
  • Conventional Log Data Quantification, Determination of: Lithology, Porosity, Fluid Saturation from Conventional Log Data

Production Logging Technology

  • Definition, History and Recent Technology of Production Logging
  • Well Diagnosis and Reservoir by Production Logging
  • Production Logging for Well Drilling and Completion
  • Production Logging for Production and Injection Well

Single Phase Fluid Flow in Pipes

  • Laminar and Turbulent Flow
  • Fluid Velocity Profile
  • Annular Flow

Temperature Logging

  • Well Temperature Distribution
  • Temperature Log Data Interpretation
  • Hydraulic Fracturing Evaluation with Temperature Log

Radioactivity-Tracer Logging

  • Tracer Loss Log
  • Velocity-Shot Log
  • Tracer Placement
  • Radioactive-Tracer Log in Laminar Flow
  • Two Pulse Tracer Logging

Spinner- Flow meter Logging

  • Theory of Spinner Response
  • Log Spinner-Flow meter Log Interpretation
  • Well Flow Measurement by Spinner Flow meter

Single Phase Flow Profile

  • Back Ground
  • Comparison between Log Temperature Data, Radioactive Tracer and Spinner Flow meter

Multiphase Flow in Pipes

  • Holdup Definition
  • Flow Pattern
  • Pressure Loss in Pipes
  • Influence of Pipe Slant Angle and Perforation

Production Logging for Multiphase Floe in Pipes

  • Log Data Interpretation
  • Determination Flow Rate
  • Quantitative Analysis of Multiphase Logging Data
  • Qualitative Analysis of Multiphase Logging Data

Noise Logging

  • Theory of Noise Logging
  • Noise Logging Applications

Cement Quality Logging

  • Cement Bond Log
  • Attenuation-Ratio Log
  • Ultrasonic -Pulse-Echo Log

Case Hole Well Logging

  • Pulse Neutron Log for Determination of Flow Profile
  • Radial Differential Temperature Log
  • Gravel Pack Evaluation
  • Well-Test by Production Logging


Dr. Ir. Sudjati Rachmat, DEA

DR. Ir. Sudjati Rachmat, DEA is General Manager of Program Development Department of ITB. He was an extreme dedicated consultant and researcher with countless hands-on expertise in analytical methods, engineering mathematics, computer simulation, fluid mechanic, mass and heat transfer. Mr. Sudjati has published numerous articles regarding of researches and analyses in France, Australia, USA and Singapore.

His expertise has brought him to one of the top-notch expert hired among UNOCAL, MOBIL OIL Indonesia, PPTM Migas, PT. CALTEX Pacific Indonesia, LEMIGAS, PT. LNG Bontang, VICO Indonesia, GULF, ARCO and PERTAMINA. He is an active member of SPE [Society of Petroleum Engineers] and Fine Particles Society, US. He holds Diplome d’Etude Approfondie and Docteur en Mecanique de Fluide in Methode Numerique from UCB, France.


September 09 – 11, 2013
December 16 – 18, 2013


Papandayan Hotel, Bandung

Tuition Fee

Rp. 8.450.000,- per participant, excluding accomodation & tax.


Production Logging and Reservoir Monitoring

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