Gas Reservoir Engineering for Geoscientists

  Kamal Malick, P, Eng. | TAQA North
Date:   May 10, 2019
           8:30AM to 4:00PM
Location:         geoLOGIC Classroom
+15 level - 540-5 ave SW,Calgary AB T2P 0M2
CPD Credit:   7.5
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Registration includes - course manual, coffee breaks and lunch
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Who Should Attend
Geologists, Geophysicists, Petrophysicists, Geo Technologists, Completions, Production and Operations Engineers

Course Overview

This course provides an introduction to Geoscientists and other disciplines to the gas well / play reservoir engineering methodologies from discovery to depletion. It will highlight the methodologies to determine OGIP, resource evaluation and commerciality of a gas well / play. The liquids-rich nature of gas reservoirs, PVT properties and OGIP calculation based on both Volumetric and Production data will be covered. Calculation of drainage areas and depletion risk as a result of infill drilling in both conventional and unconventional settings will be discussed.

Towards the end, gas contracting terms and definitions will be introduced, and the economic considerations of a gas field / play development planning will be discussed. The inter-dependent working relationship between geoscientists and reservoir engineers in reservoir evaluation will be highlighted throughout the course.


1-Day Training Course

08:30 – 08:45            Introductions

08:45 – 09:00            Natural Gas & the LNG Trade - A Global Commodity

Statistics of global natural gas production and LNG trade. Top producers, top exporters, top consumers and major shipping routes.

09:00 – 10:00            What Makes Gas Reservoirs Liquids-Rich

Gas PVT properties, 2-phase diagram, how to determine if the gas reservoir is dry, rich or ultra liquids-rich, what is their production behavior, condensate drop-out and banking, examples from Montney and Spirit River plays.

10:00 – 10:15            Break

10:15 – 10:45            Gas Properties - z-factor, Bg and Expansion Factor

Setting the stage for OGIP calculation. What do the above properties mean and how to calculate them.

10:45 – 11:30            Volumetric OGIP Calculation – Geos, It’s All About You!

How to perform the volumetric OGIP calculation and its various inputs. Uncertainties in determining net pay, porosity and water saturation. Work through a couple of examples from the Montney and Lower Mannville.

11:30 – 12:30            Lunch Break

12:30 – 13:15            OGIP from Engineering Data

Production behavior of gas reservoirs from pressure data. How do reservoir engineers calculate OGIP from pressure and production data? Depletion-drive vs water-drive gas reservoirs. Why collaboration between the geologist and reservoir engineer is critical at this stage.

13:15 – 14:00            Infill Drilling Considerations – Depletion and Drainage Areas

You want to infill? Great! Have you taken into account depletion effects from existing production or calculated the drainage area of existing producers?

14:00 – 14:15            Break

14:15 – 15:30            Gas Field / Plays Development Economics

Gas contracting terms and development considerations. Take-or-pay, plateau rates, gas-pricing mechanisms. Mock economic analysis of an unconventional gas play under two different development strategies.

15:30 – 16:00            Wrap-Up and Close


Kamal Malick has been working in the oil industry for over 20 years in a variety of technical and leadership roles. During his career, Kamal has worked globally in Canada, USA, North Sea and Asia-Pacific regions on various complex oil and gas fields under natural depletion and EOR schemes in various stages of their appraisal and development stage.

Kamal is currently working for Abu Dhabi based energy company, TAQA North, in Calgary in a senior technical role. He has been involved in multi-disciplinary teams developing appraisal and development plans for various tight and unconventional oil and liquids-rich gas plays in the WCSB. He has worked closely with Geoscientists and Geomodelers to perform integrated reservoir characterization for the Belly River, Doe Creek, Dunvegan, Falher, Glauconitic and Montney formations in the Caroline, Wilson Creek, Grande Prairie and Foothills regions. Previously, he was the Subsurface Manager for one of the largest onshore gas fields in Indonesia consisting of multiple naturally-fractured stacked carbonate and sandstone intervals. He managed its subsurface development and depletion planning in addition to optimizing the commercial aspects of various gas contracts on behalf of the PSC partners in South Sumatra. He has also worked on volatile oil and retrograde-condensate gas fields in the Berkine Basin in Algeria and on a number of fields in the UK North Sea with a Subsurface consultancy. Kamal started his career from Pakistan where he worked on the reserves evaluation, field development and exploitation planning of oil and gas fields in various stages of their development.

Kamal has been involved with teaching and mentoring throughout his career. He has given talks at universities and has been mentoring junior professionals from around the world through the SPE e-Mentoring program. Kamal holds a Bachelor’s degree in Mechanical Engineering from NED University in Karachi, Pakistan and a Master’s degree in Petroleum Engineering from Stanford University in USA. He holds a Professional Engineer designation with APEGA.

Are you waiting for approval to register for this course? Please let us know that you are waiting for approval to attend this course and we will try and protect a spot for you. You will also be helping us out in deciding if we must cancel a course or continue with registration. Email

Cancellation Policy:
Cancellation policy: No refunds available. Substitutes acceptable.
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CPD Credits 1 hour of technical training is 1 APEGA CPD Credit
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