WELL TEST ANALYSIS

COURSE AND WORKSHOP

MAY 13 - 17, 2012

Instructor : S. IBRAHIMU, P. Eng.

WHO SHOULD ATTEND

This course is aimed at reservoir, petroleum and exploitation engineers/technologists, and geologists who are involved in the area of field development and exploitation.

COURSE OUTLINE:

Equation of state, Darcy and continuity equation

Common flow geometry

Dimensionless parameters: definitions and Type Curve use/applications

Boundary conditions: infinite, Pseudo- steady state and steady state

Solution of the diffusivity equation: (class problem #1)

Build-up test analysis:

Principle of Superposition

Horner Plot; average reservoir pressure (MBH) method (class problem #2)

Reservoir boundaries and channel analysis

Wellbore skin factor and partial penetration (class problem #3)

Wellbore storage: use of type curves and (class problem #4)

Draw-down testing:

Review of the flow equations:

Equation of state, Darcy and continuity equation

Common flow geometry

Dimensionless parameters: definitions and Type Curve use/applications

Boundary conditions: infinite, Pseudo- steady state and steady state

Solution of the diffusivity equation: (class problem #1)

Build-up test analysis:

Application and test analysis and equivalent time

Reservoir Limit Testing (case example - fracured basement)

Hydraulically fractured wells:

Fracture characterization (frac. Half-length, conductivity and orientation.

Use of type curve techniques and fourth-root time plot to evaluate frac.

Efficiency

Practical well testing. How to get the most out of well testing

Prior to testing (Well test objectives, types of tests, test design)

During the test (monitoring, optimizing test design)

Well test interpretations:

Flow regime diagnoses using the pressure derivative

Conventional analysis

History matching of pressure data and selection of reservoir models- Case

examples

Demonstration of pressure recorders (by: Gord Regehr from Lonkar Services)

AEUB well test requirements: Guide 40 and electronic submission

Gas well testing:

P, P2 and Pseudo pressure-time methods

Gas deliverability testing: single point - Multipoint test (class problem #6)

Simplified and L.I.T. techniques

Water injectivity tests:

Step rate and Fall-off tests (case examples)

Hall Plot (class problem #8)

Naturally fractured reservoirs. Characterization of the reservoir using:

Pollard and Pirson Method (class example)

Warren and Root Method (class example #7)

Bourdet & Kniazeff method

Well test planning design

Test equipment

Flow/Buildup test design (class example)

Isochronal test design (class problem #9)

Reservoir limit test (case example)

Reservoir boundaries (case problem #10)

Horizontal well test (case example)

Review/analyze well tests provided by attendees including several examples using a commercial software

LOCATION

First day will be held at the Sofitel Hotel, in Cairo. The participants will fly the next day to Hurghada. The course will be continued at the Conrad Hotel, in Hurghada.

COURSE FEES

FIVE DAYS U.S.$ 1850

Inclusive the refreshment and lunch at the Sofitel Hotel. Air Ticket Cairo/Hurghada/return.

INSTRUCTOR PROFILE

Saad Ibrahim, P.Eng., an independent consultant and president of Petro-Management Group Ltd., established in Calgary (1994). Graduated from the University of Alexandria (Egypt) with B.Sc. in Mechanical Engineering in 1973. He also completed a post-graduate program with the University of Calgary, Canada, in Chemical and Petroleum Engineering in 1983.

Mr. Ibrahim has 30 years of reservoir/production engineering experience in Western Canada (with Amoco, BP and Husky) and internationally in Yemen (with Nexen Petroleum International Ltd.), Algeria, Libya, Tanzania, Iraq, Egypt, Turkey, Venezuela, Argentina, Ecuador, Peru, Kazakhstan and Uzbekistan. The focus of Mr. Ibrahim’s experience lies in the area of well-test planning/analysis and reservoir management.

Mr. Ibrahim has participated in numereous interesting projects such as: