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Glen Ruby Memorial Scholarships

Application deadline: October 31, 2014

The ConocoPhillips Glen Ruby Memorial Scholarships are awarded to second, third, and fourth year undergraduate students studying Geology and Geophysics.

$2,000 is awarded to a 2nd year geoscience student

$3,000 is awarded to a 3rd year geoscience student

$5,000 is awarded to a 4th year geoscience student

Applications are submitted through the CSPG. Apply and find out more here!

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Petrolia Pioneers Society – General Meeting

October 24, 2014 – BGS 1065 @ 1:30

Our first meeting of the 2014-2015 school year! Come learn more about the club, our ideas for events, and share what you want from the PPS this year. Looking forward to seeing all of you.

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Very interesting talk by Sid Leggett from Husky Energy!

Tuesday 12:30-1:30 PM, February 26th

Biology and Geology Building 1053

Everybody is welcome!

huskyenergyDiscussion of the Requirements for an Alkali/Surfactant/Polymer Tertiary Flood, Gull Lake, Southwest Saskatchewan

By Sid Leggett, Husky Energy

Getting oil out of a reservoir is a challenge.  The recovery from most reservoirs is low and it takes a lot of ingenuity and technical expertise to get a significant amount of the oil out. Primary recovery, which involves the production of oil from a reservoir by natural mechanisms, usually recovers less than 10% of the oil present.  Secondary flooding of a reservoir begins with the injection of fluids, almost always water, to maintain the reservoir pressure and displace the hydrocarbons to the producing wells.  This may get up to between 35 and 45% of the oil.  Tertiary recovery involves adding chemicals to recover even more oil, potentially between 5 to 15% more.

This discussion is about requirements to do an Alkali/Surfactant/Polymer tertiary flood and how a particular pool in southwest Saskatchewan, the Gull Lake North Upper Shaunavon pool, met these requirements.  It illustrates some of the complexities of oil pools and some of the details on how a tertiary flood functions.

The tertiary flood of the Gull Lake pool began with the injection of softened water on June 1st, 2009 followed by alkali/polymer on October 1st and full alkali/surfactant/polymer on December 1st, 2009.  With oil in place reserves of 76MM bbls. (12.1MM m3), the Gull Lake ASP flood is one of the largest such floods in the world.

The middle Jurassic Upper Shaunavon Formation in the Gull Lake area is made up of shallow marine clastic and carbonate sediments deposited on a shallow marine platform at the northwest side of the Williston Basin in southwest Saskatchewan, Canada.  There are two reservoirs in the Gull Lake North Upper Shaunavon oil pool – a large incised tidal channel near the top of the Upper Shaunavon Formation and several small tidal bars stratigraphically above the channel.  The channel is the main reservoir for the pool and is the target for the tertiary flood.

Oil migration into the area was driven by a north-south trending hydrodynamic low.  Gas associated with the oil moved structurally updip to the northwest leaving the reservoir with low GOR oil in the updip part of the channel and a water leg in the down dip part.

The Gull Lake pool met most of the requirements for an alkali/surfactant/polymer (ASP) tertiary flood – large size, lack of a gas cap, very little clay, low temperature, an intermediate API crude and a thick, high quality reservoir with no apparent permeability barriers.  The only negative feature of the Gull Lake pool affecting the ASP flood is the potential for injected ASP fluid dilution from contact with the water leg for the pool.

Sid Leggett is a development geologist who specializes in the optimization of existing fields including secondary and tertiary recovery processes associated with oil fields.  Most of his 30 years of industry experience in Western Canada has been acquired working for several midsized and large exploration companies.  Currently he is a manager working for Husky Energy leading up an exploration team working in the Western Canada Basin.  Sid has a MSc. in Geology from the University of Manitoba and a B.Sc. (Honours) degree from Brock University. 
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CSPG University Outreach Lecture at Western!

The Petrolia Pioneers Society is VERY excited to invite you all to this event as Dr. Burns Cheadle and the PPS have been working very hard to bring the CSPG Lecture here to Western.

ON: Monday January 21st
IN: BGS 1084
FROM: 5:30pm – 7:00pm

PIZZA and POP will be provided.

We hope to see you there!!
Bellow is the poster for your viewing pleasure

CSPG-PPS

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Meriem Grifi – M.Sc. Defense Lecture

M.Sc. Geology Public Lecture
Candidate: Meriem Grifi
Supervisor: Guy Plint

“Stratigraphy and Sedimentology of the Late Cretaceous (Coniacian) Muskiki and Marshybank Members, Southern Alberta and Northwestern Montana”
Wednesday, October 17, 2012, 2:30 PM
B&G Building, Room 1053

Abstract: A high-resolution allostratigraphic study of the Coniacian Muskiki and Marshybank members of the Wapiabi Formation in southern Alberta revealed a southwest
thickening wedge of mudstone-dominated strata that was deposited on a shallow stormdominated shelf. Well-log correlations and biostratigraphy show that the Muskiki Member forms the bulk of the succession; the Marshybank Member is thin or absent in the subsurface.
The lower and middle units of the Muskiki Member display regional subsidence patterns consistent with thrust sheet loading in the Cordillera. The upper unit comprises a linear trough filled by southeastward-accreting clinothems. The northeast boundary of the clinoform package corresponds with an Archean thrust fault that may have undergone extensional reactivation during the Coniacian, forming a local trough. An isopach map of the basal Santonian strata shows thinning coincident with the Vulcan magnetic anomaly, suggesting differential subsidence across the structure.

ALL WELCOME

Muskiki and Marshybank Members  in Sheep River canyon, Southern Alberta
(Photo by Piotr Angiel)
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2012-2013 Membership Drive

Hi Everyone!

Current Western students interested in joining the Petrolia Pioneers are invited to e-mail aapg.uwo@gmail.com to join our mailing list and get updates on new and upcoming events!

Abraham Mountain, Alberta (Photo by Piotr Angiel)
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