COURSE OVERVIEW:

Well testing is a critical diagnostic process that provides a direct measurement of reservoir performance and wellbore condition. This course focuses on the modern methodologies of Pressure Transient Analysis (PTA), utilizing high-resolution data to characterize reservoir properties such as permeability, skin factor, and drainage boundaries. Participants will learn to move beyond traditional semi-log plots to the advanced use of derivative analysis, which allows for the identification of complex reservoir geometries and heterogeneities.

The curriculum covers the entire well test sequence, including draw-down, build-up, interference, and injection tests. Detailed instruction is provided on the use of diagnostic plots to recognize specific flow regimes, such as radial flow, linear flow, and spherical flow. The course emphasizes the importance of integrating well test results with other subsurface data, such as seismic and core analysis, to build a consistent and reliable reservoir model that can be used for long-term production forecasting.

Modern well test analysis also addresses the challenges of interpreting data from horizontal wells, naturally fractured reservoirs, and multi-layered systems. Attendees will gain hands-on experience with industry-standard software to perform non-linear regression and type-curve matching. By the end of the program, participants will be equipped to design effective well test programs and provide high-confidence interpretations that guide critical field development decisions and well intervention strategies.

COURSE OBJECTIVES:

After completion of this course, the participants will be able to:

• Explain the fundamental theory of fluid flow in porous media (Diffusivity Equation).
• Design a well test program with appropriate durations and sampling rates.
• Utilize the Pressure Derivative plot for flow regime identification.
• Calculate permeability and skin factor from build-up and draw-down tests.
• Identify reservoir boundaries, including sealing faults and constant pressure limits.
• Analyze well tests in horizontal and highly deviated wells.
• Interpret data from dual-porosity and dual-permeability (fractured) reservoirs.
• Differentiate between mechanical skin and non-Darcy (turbulence) effects.
• Account for wellbore storage and phase redistribution in test data.
• Utilize Deconvolution techniques to combine multiple flow periods.
• Perform multi-well interference testing to assess reservoir connectivity.
• Integrate well test results into dynamic reservoir simulation models.
• Formulate a professional well test interpretation report for management.

TARGET AUDIENCE:

This course is intended for Reservoir Engineers, Production Engineers, Petrophysicists, and Geoscientists who require an advanced understanding of pressure transient data interpretation.

TRAINING COURSE METHODOLOGY:

A highly interactive combination of lectures, discussion sessions, and case studies will be employed to maximise the transfer of information, knowledge, and experience. The course will be intensive, practical, and highly interactive. The sessions will start by raising the most relevant questions and motivating everybody to find the right answers. The attendants will also be encouraged to raise more of their questions and to share in developing the right answers using their analysis and experience. There will also be some indoor experiential activities to enhance the learning experience. Course material will be provided in PowerPoint, with necessary animations, learning videos, and general discussions.

The course participants shall be evaluated before, during, and at the end of the course.

COURSE CERTIFICATE:

National Consultant Centre for Training LLC (NCC) will issue an Attendance Certificate to all participants completing a minimum of 80% of the total attendance time requirement.