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WELL DATA SUMMARY SHEETS

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geological survey of denmark and greenland (geus)

WELL: BERTEL-1A

(Main track: BERTEL-1)

Contents


Technical and administrative data

Location Offshore
Longitude 03°58'02''.58
Latitude 56°02'11''.97
UTM Zone 31
UTM Easting (x) 560278.3 (m)
UTM Northing (y) 6210719.0 (m)
Well block no. 5603/32-3
Reference point KB 40.0 m above MSL
Water depth 62.0 m below MSL
TD drill 4854.0 m below KB
The well is Vertical
Structure: F-3
Spudded 27/06-1992
Completed 07/10-1992
Spud classification Exploration
Status (completion) Plugged and abandoned
License 8/89
Operator Danop
Contractor Smedvig Ltd.
Rig West Omikron

Casing

top depth shoe depth diameter
ft. m. ft. m. inch inch (decim)
0.0 0.0 0.0 0.0 4 1/2" 4.500
0.0 0.0 0.0 0.0 7" LINER 7.000
0.0 0.0 544.6 166.0 30" 30.000
0.0 0.0 3280.8 1000.0 20" 20.000
0.0 0.0 7995.4 2437.0 10 3/4" 10.750
0.0 0.0 8563.0 2610.0 13 3/8" 13.375
0.0 0.0 14343.8 4372.0 9 5/8" 9.625

Lithostratigraphy (Groups)

Top Bottom Unit
m. below ref. level.
4128.0 4264.5 Chalk Group
4264.5 4324.0 Cromer Knoll Group
4324.0 4705.0 Jurassic units
4705.0 4854.8 Triassic units

Chronostratigraphy (Periods)

Top Bottom Unit
m. below ref. level.
4128.0 4395.0 Cretaceous
4395.0 4729.0 Jurassic
4729.0 4854.0 Triassic

Samples

Cores

core top bottom recovery
no. m. below ref. level
1 4667.5 4678.5 95.5

Cuttings

from to distance
m. below ref. level bt cuttings
4110.0 4200.0 10.0
4200.0 4854.0 3.0

Sidewall Cores

28 samples recovered from interval 4403.0 - 4820.0 m. below ref. level

Available well logs

Company: Atlas Wireline Services
File no. 
8019 Acoustic Signatures, 715.0-2625.0 m, 1:200
8020 Dual Induction Focused Log (Long Spaced Acoustic Gamma RayTemperature), 2610.0-4380.0 m, 1:200
8021 Dual Induction Focused Log (Long Spaced Acoustic Gamma RayTemperature), 2610.0-4380.0 m, 1:500
8022 ZDL-CN-GR-CAL, 2610.0-4380.0 m, 1:500
8023 ZDL-CN-GR-CAL, 2610.0-4380.0 m, 1:200
8024 Compensated Neutron-Z-Densilog Gamma Ray - CaliperTemperature Log, 2610.0-4380.8 m, 1:500
8025 Compensated Neutron-Z-Densilog Gamma Ray - CaliperTemperature Log, 2610.0-4380.8 m, 1:200
8026 Corgun, 4398.0-4820.0 m, 1:200
8028 Acoustilog Signatures, 450.0-4372.0 m, 1:200
8029 Diplog, 4369.5-4839.5 m, 1:200
8030 Spectralog, 4370.5-4847.5 m, 1:500
8031 Spectralog, 4370.5-4847.5 m, 1:200
8032 Dual Induction Focused Log Caliper Gamma Ray Temperature, 4370.5-4854.9 m, 1:200
8033 Dual Induction Focused Log Caliper Gamma Ray Temperature, 4370.5-4854.9 m, 1:500
8034 Compensated Z-Densilog Compensated Neutron Gamma Ray, 4370.5-4855.0 m, 1:200
8035 Compensated Z-Densilog Compensated Neutron Gamma Ray, 4370.5-4855.0 m, 1:500
8036 Dual Laterolog - BHC Acoustilog - Gamma Ray, 4370.0-4846.0 m, 1:500
8037 Dual Laterolog - BHC Acoustilog - Gamma Ray, 4370.0-4846.0 m, 1:200
8038 TBRT - Micro Laterolog - Gamma Ray - Caliper, 4370.5-4854.9 m, 1:200
8039 TBRT - Micro Laterolog - Gamma Ray - Caliper, 4370.5-4854.9 m, 1:500
Company: Dansk Operatørselskab (Danop)
File no. 
21560 Completion Log - Composite Log, 166.0-4850.0 m, 1:500
Company: Dowell Schlumberger
File no. 
21570 Velocity Log - Linear Scale, 2680.0-4830.0 m, 1:500
Company: Downhole Seismic Services
File no. 
21569 Calibrated Acoustic Log, 2680.0-4830.0 m
Company: Exlog
File no. 
21561 Formation Evaluatien Log - Mud Log - Version 1, 4126.0-4854.0 m, 1:500
21562 Formation Evaluatien Log - Mud Log - Version 2, 4128.0-4854.0 m, 1:500
21563 Mud Data Temperature Log, 4128.0-4854.0 m, 1:2500
21564 Pressure Summary Log, 4128.0-4854.0 m, 1:2500
21565 Drill Data Plot, 4128.0-4854.0 m, 1:2500
21566 DXT Log, 4128.0-4854.0 m, 1:2500
21567 Gas Ratio Log, 4128.0-4854.0 m, 1:1000
21568 BHG Log, 4128.0-4854.0 m, 1:1000
Company: Teleco
File no. 
8014 MWD Dual Propagation-Resistivity-Gamma Ray, 4250.0-4386.0 m, 1:200
8015 MWD Dual Propagation-Resistivity-Gamma Ray, 4250.0-4386.0 m, 1:500

Available Reports

File no. Author, company, title, publication date
4798 Palle Rubæk Andersen, DGU : Glaucony and Anhydrite Screening on cuttings - Depth interval: 4680m-4746m (prepared for DANOP), November 1992.
4800 Jutson, D.; Konradi, P.; Poulsen, N. E.; Hultberg, S., DGU : Well Bertel 1/1A, January 1993.
4802 Andersen, J.; Olsen, D, DGU : Conventional Core Analysis, January 1993.
4803 WESTERN ATLAS INTERNATIONAL : Zero Offset VSP and Acoustic Log Calibration, December 1992.
4805 WESTERN GEOPHYSICAL : Special Processing Report - Sparse Spike Inversion on Zero Offset VSP, February 1993.
4806 DGU : Conventional core analysis on sidewall cores (prepared for DANOP), November 1992.
4807 WESTERN ATLAS INTERNATIONAL : Reservoir Fluid Study, December 1992.
4809 WESTERN ATLAS SERVICES : Time Converted Dip Cross section - Licence 8/89 (FEDA), January 1993.
4810 WESTERN ATLAS : Petrophysical Analysis - Optima Stochastic Model (Final Report), January 1993.
7881 M. Ramm, I. Holmefjord, J. Rykkje, A. Johnsen, G. Torkildsen, NORSK HYDRO : Petrography and Diagenesis in Mesozoic Sandstones, January 1993.
7882 DANSK OPERATØRSELSKAB : Final Well Report, Volume 1 (Tekst), March 1993.
7883 DANSK OPERATØRSELSKAB : Final Well Report, Volume 2 (Enclosures), March 1993.
8187 EXLOG : Final Well Report, volume 1 (text), October 1992.
8188 EXLOG : Final Well Report, volume 2 (enclosures), October 1992.
17179 Bertel-1A, Danish North Sea well. Scanned core photos. CD-Rom and print-outs, September 1999.
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