norlex cretaceous template
DESCRIPTION
NorLex Cretaceous template. Mike Charnock & Steve Crittenden. Steve Crittenden sends his apologies: well-site takes priority!. Talk Overview. Timetable for ACTION. NorLex Original Project Objectives Cretaceous TSC NorLex Biostratigraphic Zonation (proposal) - PowerPoint PPT PresentationTRANSCRIPT
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2007-01-22
Mike Charnock & Steve Crittenden
NorLex Cretaceous template
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Steve Crittenden sends his apologies: well-site takes priority!
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Talk Overview
1. NorLex Original Project Objectives2. Cretaceous TSC NorLex Biostratigraphic
Zonation (proposal)3. TSC Norlex Regional Norwegian
Lithostratigraphic Scheme (proposed)4. Figures templates (proposal)
1. Logos2. Log Scales3. Digital type sections
5. Deliverables6. Mid Norway lithostratigraphic units
(established)7. Timetable for deliverables
END OCTOBER 2007 (as per original project aims agreement)
Timetable for ACTION
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1. NorLex Original Project Proposals
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2. Cretaceous TSC NorLex Biostratigraphic Zonation (proposal)
Digital TSC based zonation.
Regionally applicable. One zone per stage
i.e. Maastrichtian = MK1, Campanian = MK2 etc with subdivisions 1.1, 1.2 etc.
Late Cretaceous: planktonic foraminifera & dinoflagellate cyst based.
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2. Cretaceous TSC NorLex Biostratigraphic Zonation (proposal)
Strong zonal control on Cretaceous/Jurassic boundary (`base `Cretaceous unconformity`)
Use of Berriasian/Tithonian
Emphasis on marine planktonic markers unless prefixed otherwise [B]: Benthic Foraminifera, [R] Radiolaria [S] Spores/Pollen etc
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3. Cretaceous TSC NorLex Lithostratigraphic Zonation (proposal)
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3. Cretaceous TSC NorLex Lithostratigraphic Zonation (proposal)
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4. Figures templates (proposal)
TEXT : Lithostratigraphic template established
FIGURES template?: (proposal standardised )
-JPEG only illustrations?.
-Acceptable in either .pdf or .wmf ?
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4. Figures template: Logos (proposal)
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4. Figures template: Log scales (proposal)
Dalland et al 1988- Variable GR 0- 100, - 50 –150, 30-250 API- Variable DT 160-60,
150- 50, 140.40 micro sec/ft
Vollset & Dore: - GR 0-100 API ; DT 140-40
PROPOSAL:
GR 0-150 API
DT 140-40 m secs/ft
DENSITY: 1.95 – 2.95 g/cm3
NEUTRON POROSITY: 0.54 –0.06 %
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4. Figures template: Digital sections (proposal)
StrataBugs digital figures Additional interpreted age
(following Gradstein et al., 2004) & selective biostratigraphic events (various sources)
Clear indications of changes in status
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5. Deliverables
Cretaceous biostratigraphic zonation
Figures for all existing Cretaceous type & reference wells with biostratigraphy
Figures for all proposed new Cretaceous type & reference wells with biostratigraphy
Egga figures type & ref. wells.
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5. Deliverables
Well distribution list of formations/members (mMD RKB) tops/bases/thickness (for mapping : ØH)
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Mid Norway lithostratigraphic units (established)
HOW IS MID NORWAY DEFINED?
We propose following Dalland et al (1988) and exclude Møre Margin.
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6. Mid Norway lithostratigraphic units (established)
X
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Statoil 6506/12-1: type well : Lyr Formation
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Statoil 6407/1-2: ref. well : Lyr Formation
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Statoil 6506/12-1: type well : Lange Formation; ref. Cromer Knoll Group
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6506/12-1
Lange: 622m gross / 7 Ma
Lyr: 24m gross /14 Ma
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Conoco 6507/7-1: type well : Lysing Formation
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Statoil 6506/12-4: ref. well : Lysing Formation
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Statoil 6506/12-4: type well : Kvitnos Formation
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Statoil 6506/12-4: type well : Springar and Nise Formations
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7. Cretaceous Deliverables
TYPE/REFERENCE SECTION FIGURES FORMATION DISTRIBUTION LISTS (by wells) for mapping Mid Norway established units
- compilation (presentation today end Jan),- submit to web after review (end Feb.)
Viking Graben/Central Graben established units - Compilation (end March),- submit (end April)
New units - Compilation (end July),- submit (end Aug.)
CORRELATION FIGURES (end Sept) REVISED TEXT (end October)
Timetable for ACTION
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7. Timing
NORLEX OR ROLEX ?
Timetable for deliverables END OCTOBER 2007(as per original project aims agreement)
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