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Norwegian Stratigraphic Database (NSD): Halten Terrace (2021 Version)

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Study details a glance

PetroStrat Icon Biostrat Review

Biostratigraphy
Review

PetroStrat Icon Well Correlation

182
Wells

PetroStrat Icon Geological Periods

Tertiary
Mesozoic
Paleozoic

Key points

  • Technically consistent, regionally correlatable Ichron Sequences assigned from first returns to TD in every well
  • A 2021 update to all 6 X North Halten Terrace (2), Central Halten Terrace (2) and South Halten Terrace (2) NSD area subsets, enabled through addition of the new 31 well Norwegian Sea NSD extension
  • 2021 Version newly includes illustration of deviation relative to NPD Factpages formation assignments

Alongside the latest, 31-well extension to PetroStrat’s stratigraphic database across the Norwegian Sea a new review has been completed for all existing 182 wells in 6 database subsets across the North, Central and South Halten Terrace, uplifting the stratigraphic interpretation to a 2021-version (from 2015).

Whenever PetroStrat periodically elects to add stratigraphically interpreted wells to this NCS database, it provides important new offset stratigraphic well control to existing database-wells, enabling a revision of the Ichron Sequences previously assigned to sections of each wellbore. PetroStrat will then release updated ‘versions’ of each existing database subset. Each re-reviewed database subset, also now includes new illustrated ‘Deviation Picks’ on every summary chart, marking where (and by what scale) PetroStrat’s biostratigraphically-constrained group/formation interpretations differs from lithostratigraphic formation picks published on NPD FactPages.

A summary of the updates within this 2021 interpretive version are copied below:

  • 6387 reviewed sequence picks – enabled by correlation from 31 new offset wells. 140 sequence picks have been updated/reinterpreted.
  • 966 new ‘FactPage Deviations’ applied
  • 589 updates overall to 182 wells inc. changes to sequences, ages, groups, formations, and zones

Consistency across these 213 wells is ensured through a dedicated pool of senior palynologists and micropalaeontologists who transitioned from Ichron/RPS through now to PetroStrat, managing these projects, and assigning the (Ichron-devised) biozone and sequence terminology. Interpretations are based on re-review of newly released and legacy raw biostratigraphic data/reports to instil a consistent, updated set of biozones/sequences from first returns analysed to TD in every well – informed by the constant stream of wells studied on a proprietary basis.

Deliverables

DeliverablesFormat
Tabulated stratigraphic sequence depths for each individual wellPDF & Excel
Stratigraphic summary chart per well, including. Age, lithostratigraphy, sample data points & biostratigraphic marker events, set against wireline/ MWD   Now includes illustrative Group/Formation deviation picks reflecting differences between PetroStrat interpretation against NPD Factpage picksPDF
Correlation panels highlighting regional thickness trends, stratigraphic breaks and hiatal surfaces within the context of the regional structural elementsPDF
Stratigraphic framework & zonation schemePDF
Digital data export of stratigraphic sequences and lithostratigraphic boundariesExcel
DatabaseIC

Full Well List

North Halten Terrace & Helgeland Basin Stratigraphic Database (ECM5002)

6506/3-16507/5-26608/8-16608/10-126609/6-16507/3-8
6506/6-16507/5-36608/8-26608/10-136609/7-16607/5-2
6507/1-16507/6-16608/10-16608/10-14S6609/10-16608/10-11S
6507/2-26507/6-36608/10-26608/11-16609/10-26609/5-1
6507/3-16508/1-1S6608/10-46608/11-26609/11-16710/10-1
6507/3-26508/5-16608/10-66608/11-36610/2-1S6610/7-2
6507/3-36510/2-16608/10-86608/11-46610/3-1R6608/11-6
6507/3-66607/2-16608/10-96608/11-56610/7-16608/10-10
6507/3-76607/5-1    

North Halten Terrace & Helgeland Basin Stratigraphic Database Update (ECM5253)

6506/6-26507/2-46507/5-46507/5-6ST26607/12-3T26507/2-1
6507/3-9S6507/5-56507/6-26507/2-36507/5-16507/5-6S
6607/12-2S     

Central Halten Terrace Stratigraphic Database (ECM5148)

6406/1-16406/3-26506/11-66507/7-26507/8-56406/2-7
6406/1-26406/3-36506/11-76507/7-36507/8-66506/11-4S
6406/1-46407/1-26506/11-86507/7-46507/10-16507/7-1
6406/2-16407/1-36506/12-16507/7-11S6507/11-26507/8-4
6406/2-36407/6-36506/12-36507/7-136507/11-36507/11-9
6406/2-56506/11-26506/12-46507/8-26507/11-66507/5-3
6406/2-66506/11-36506/12-76507/8-36507/11-8 

Central Halten Terrace Stratigraphic Database Update (ECM5252)

6406/3-16407/1-6S6506/9-16506/12-56507/11-76406/3-5
6407/2-16506/9-2S6507/7-126507/12-16406/3-76407/2-6S
6506/11-16507/7-14S6507/12-26407/1-5S6407/3-1S6506/11-9S
6507/7-15S6507/12-36406/3-86506/12-I-1AH6506/12-12S 

South Halten Terrace & Møre Basin Stratigraphic Database (ECM5146)

6205/3-1 R6306/10-16406/12-26407/10-36407/6-66407/8-4 S
6305/1-16306/5-16406/5-16407/12-16407/6-7 S6407/8-5 S
6305/12-16306/6-16406/6-26407/12-26407/7-1 S6407/9-1
6305/12-26306/6-26406/8-16407/12-36407/7-66407/9-2
6305/4-16404/11-16406/8-26407/4-16407/7-7 S6407/9-5
6305/5-16405/10-16406/9-16407/5-16407/7-86407/9-7
6305/7-16405/7-16406/9-26407/6-16407/8-16407/9-8
6305/8-16406/11-1 S6407/10-16407/6-36407/8-26407/9-9
6305/9-16406/12-1 S6407/10-26407/6-56407/8-36408/4-1

South Halten Terrace & Møre Basin Stratigraphic Database Update (ECM5254)

6305/9-26406/6-16406/6-36407/5-2 S  

Norwegian Sea 2021 Stratigraphic Database Extension (ECM5712)

6406/6-4S6407/6-46407/8-76507/7-106608/10-156610/10-1
6406/9-36407/7-9A6506/12-86507/8-76608/10-16 
6406/12-3S6407/7-9S6507/11-106507/8-86608/10-17S 
6407/2-46407/8-5A6507/3-126507/8-96608/10-5 
6407/3-2S6407/8-66507/5-86508/1-36608/11-8 
6407/4-26407/8-6A6507/6-4A6607/12-16608/11-9 

Interested in learning more about this study?

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We hope this page has given you a good overview of our study. If you have any further questions, or if you would like to discuss how this study could be tailored to your specific needs, please do not hesitate to contact us.

We look forward to hearing from you!

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