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Reservoir characterization

- a true multidisciplinary approach

SOLA, Clarion Hotel Air , 05.12.2017 - 06.12.2017

The mature fields on the NCS are moving towards tail end production and most new discoveries are complex and often marginal.

We need to be even better at understanding and predicting the subsurface to be able to realize new volumes and enable IOR producing fields. A multidisciplinary approach to reservoir characterization and utilization of all relevant data is key to success.
 

The conference aims to present good multidisciplinary case studies and examples of novel and efficient ways of working on multidisciplinary reservoir characterization tasks. A main aim of the content will be to show how new digital technology can improve our reservoir understanding and predicitons.

I additions to talks there will also be an exciting core viewings. In addition to traditional core description the session will also focus on how new technology like CT and Hyperspectral scanning can give new insight from cores. 

 

 

The conference aims to present good multidisciplinary case studies and examples of novel and efficient ways of working on multidisciplinary reservoir characterization tasks.
 

 

Gullfaks Shetland/Lista core viewing

The cores from Gullfaks well 34/10-C-50 display the Early to Middle Paleocene Lista Formation and Late Cretaceous Shetland Group. The C-50 well was completed as a producer and therefore have both core data and dynamic data. The matrix permeability found in the chalk / marl succession of Shetland is found to be much less than the effective permeability identified from production tests. The Shetland reservoir is considered to be a fractured chalk reservoir.

 

In addition to traditional core description and core studies CT scanning and infrared (IR) spectroscopy scanning has been performed.

 

The result from CT scanning was used for;

  • Supporting decisions during well operation
  • 3D mapping of fractures and burrows
  • Calibrate to image logs and orientation of the core
  • Supplement to structural core interpretation

 

IR scanning was used for both mineralogy and HC mapping.

 

Johan Sverdrup core viewing

The cores from Johan Sverdrup well 16/2-U-18 display the Mesozoic stratigraphy in the northern part of the field consisting of:

  • Upper Triassic, continental Hegre Group
  • Upper Triassic - Lower Jurassic, continental to paralic Statfjord Group
  • Middle Jurassic, shallow marine Vestland Group
  • Upper Jurassic - Lower Cretaceous, shallow- to open-marine Viking Group

 

High resolution CT-images were applied in the sedimentological analysis:

  • Scanning occurs directly thought the liner giving high resolution image of the core without damage caused by slabbing
  • Highlight sedimentological and structural features that are difficult to detect on core
  • Very high-resolution bulk density and PEF that can be compared / depth match with logs

 

Alta core viewing

Alta core display will focus on the Ørn Fm. and overlying Permo - Triassic clastic carbonate succession encountered in the eastern flank of the Alta structure. The main depositional environments / reservoir units will be illustrated.

 

Knarr core viewing

The cores from the Knarr (Jordbær Vest) well 34/3-3S display the Lower Jurassic Cook Formation. The core covers the five lithostratigraphic units that comprise the reservoir at the Knarr oil field including the main shale (maximum flooding surface) that acts as a pressure barrier and separates the Upper and Lower reservoir units. This core will be used as an example for facies recognition of tidally-dominated deposits and a discussion around primary and secondary reservoir quality controls. An integrated view placing core-based observations into a local and regional depositional context, with the benefit of analogues will also be presented.

 



Practical information

Venue:
Clarion Hotel Air
Utsolaarmen 16,
4055 Sola, Norway


Organizer:
Norwegian Petroleum Society (NPF), Lilleakerveien 2A, 0283 Oslo
www.npf.no


Conference fee:
NPF personal members NOK 8,400 plus 25% vat
Non-NPF members  NOK 9,900 plus 25 % vat

Payment can be done upon registration by credit card (Master Card/Visa) on our website. If you do not want to pay with creditcard, you can ask the project manager to send you an invoice from Norwegian Petroleum Society (NPF).

The fee includes:
- Conference papers
- Coffee/tea
- Lunches
- Conference Dinner
 

Cancellations:
Cancellations must be received in writing by 20 November 2017, and will be subject to a cancellation fee NOK 2,000 unless a substitute delegate is offered. After this date, the full registration fee will apply, however, substitutions will still be accepted. Substitutions for registered delegates may be made at any time, but we would appreciate prior notification.

 

Conference paper:
Presentations from the conference will be available on Internet after end of conference. Delegates will be informed when available by e-mail.

 

Programme changes:
It is sometimes necessary to change timing of the programme. The conference organiser will not be liable for any such unavoidable changes.

 

Accommodation:
We have reserved a number of rooms at the Clarion Hotel Air, Stavanger Airport. NOK 1,190 per night. Make your reservation during signup. Pay directly to the hotel.
 

For further information please contact:
Norwegian Petroleum Society
Project Manager Even Berglund Isachsen 
tel. +47 971 61 845.
E-mail: even.isachsen@npf.no 

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