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WELL DATA SUMMARY SHEETS
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WELL: GERT-4
Contents
Technical and administrative data
| Location
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Offshore
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| Longitude
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03°43'47''.57
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| Latitude
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56°13'17''.81
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| UTM Zone
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31
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| UTM Easting (x)
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545262.6 (m)
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| UTM Northing (y)
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6231124.0 (m)
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| Well block no.
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5603/27-4
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| Reference point
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DF 120 ft above MSL
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| Water depth
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225 ft below MSL
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| TD log
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20041 ft below DF
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| TD drill
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20032 ft below DF
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| The well is
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Deviated.
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| Field:
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Gert
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| Structure:
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Gert
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| Spudded
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02/11-1989.
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| Completed
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16/05-1990
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| Spud classification
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Appraisal
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| Status (completion)
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Plugged And Suspended .
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| License
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Duc Eneret 1962 A-Sv
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| Operator
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Mærsk Olie Og Gas As
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| Contractor
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Mærsk Drilling
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| Rig
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Mærsk Endeavour
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Casing
| top depth | shoe depth | diameter |
| ft. | m. | ft. | m. | inch | inch (decim) |
| 333.0
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101.5
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509.8
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155.4
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36"
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36.000
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| 342.8
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104.5
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4219.2
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1286.0
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20"
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20.000
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| 370.1
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112.8
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1352.0
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412.1
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26"
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26.000
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| 377.0
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114.9
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8118.1
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2474.4
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13 3/8"
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13.375
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| 378.9
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115.5
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13419.0
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4090.1
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9 5/8"
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9.625
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Lithostratigraphy (Groups)
| Top | Bottom | Unit |
| ft. below ref. level | |
| 345.0
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10443.8
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Post Chalk Group
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| 10443.8
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13192.7
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Chalk Group
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| 13192.7
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13379.7
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Cromer Knoll Group
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| 13379.7
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19912.6
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Jurassic units
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| 19912.6
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20041.6
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Zechstein Group
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Chronostratigraphy (Periods)
| Top | Bottom | Unit |
| ft. below ref. level | |
| 345
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10958
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Tertiary - Quaternary
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| 2000
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10959
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Tertiary
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| 10959
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13379
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Cretaceous
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| 13379
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19913
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Jurassic
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| 19913
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20041
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Permian
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Samples
Cores
| core | top | bottom | recovery |
| no. | ft. below ref. level | |
| 1
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18999.00
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19059.00
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100.0
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| 2
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19059.00
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19150.00
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99.5
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| 3
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19150.00
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19241.00
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99.3
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| 4
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19241.00
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19332.00
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99.1
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| 5
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19831.00
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19889.00
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19.0
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| 6
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19903.00
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19927.00
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100.0
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| 7
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19927.00
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19988.00
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100.0
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Cuttings
| from | to | distance |
| ft. below ref. level | bt cuttings |
| 8150.00
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12350.00
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30.00
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| 12350.00
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20030.00
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10.00
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| 19830.00
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19888.00
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2.00
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| 19888.00
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19889.00
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1.00
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Available well logs
Company: Schlumberger
| File no. | Log type, interval, suite no, run no, scale |
| 2542
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DIL-LSS-GR, 8112.00-13430.00ft, 1, 1, 1:200
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| 2543
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DIL-LSS-GR, 8112.00-13430.00ft, 1, 1, 1:1000
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| 2544
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DIL-LSS-GR, 13414.00-19786.00ft, 2, 2, 1:200
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| 2545
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DIL-LSS-GR, 13414.00-19786.00ft, 2, 2, 1:1000
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| 2546
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DIL-LSS-GR, 18000.00-20022.00ft, 3, 3, 1:200
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| 2547
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DIL-LSS-GR, 18000.00-20022.00ft, 3, 3, 1:1000
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| 2550
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LCL-CNL-GR, UP LOG, 17940.00-19775.00ft, 1:200
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| 2536
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LDL-CNL-GR, 8112.00-13364.00ft, 1, 1, 1:200
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| 2537
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LDL-CNL-GR, 8112.00-13364.00ft, 1, 1, 1:1000
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| 2538
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LDL-CNL-GR, 13414.00-19750.00ft, 2, 1, 1:200
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| 2539
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LDL-CNL-GR, 13414.00-19750.00ft, 2, 1, 1:1000
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| 2540
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LDL-CNL-GR, 13414.00-19992.00ft, 3, 1, 1:200
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| 2541
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LDL-CNL-GR, 13414.00-19992.00ft, 3, 1, 1:1000
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| 2548
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LDL-CNL-LSS-GR, 19000.00-20000.00ft, 3, 1, 1:200
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| 2529
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MWD (Electromagnetic Wave Resistivity, Gamma Ray, Directional data, TVD), 8139.00-13912.00ft, 1:1000
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| 2530
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MWD (Electromagnetic Wave Resistivity,Gamma Ray, Directional data, (TVD), 8170.00-15975.00ft, 1:1000
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| 2532
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NGS, 13414.00-19717.00ft, 2, 2, 1:200
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| 2533
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NGS, 13414.00-19717.00ft, 2, 2, 1:1000
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| 2534
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NGS, 18900.00-19956.00ft, 3, 3, 1:200
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| 2535
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NGS, 18900.00-19956.00ft, 3, 3, 1:1000
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| 2549
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NGT-DIL-SONIC, 16980.00-19762.00ft, 2, 2, 1:200
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| 2531
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RFT-GR, 19692.00-19910.00ft, 3, 2
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Available Reports
| File no. | Author, company, title, publication date |
| 492
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READ WELL SERVICES : Sonic Calibration - Synthetic Seismograms - Checkshot Report - Rig Source VSP - Vertical Incidence VSP, May 1990.
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| 494
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THE ROBERTSON GROUP : Biostratigraphy of the interval 8180'-20030'(TD), September 1990.
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| 495
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MÆRSK OLIE OG GAS : Final Well Report, November 1990.
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| 497
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Niels Springer, DGU : Core analysis tabulation - final report - core 1-7 - hot shot analyses, May 1990.
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| 498
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Niels Springer, DGU : Core analysis tabulation - final report - core no. 1 - hot shot analyses, April 1990.
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| 502
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EXLOG : Final well report (enclosure), April 1990.
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| 7565
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Niels Springer, DGU : Conventional Core Analysis - Core no. 1-7, June 1990.
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| 7585
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DGU : Conventional Core Analysis - Total Core Gamma Log, April 1990.
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| 17190
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Gert-4, Danish North Sea well. Scanned core photos. CD-Rom and print-outs, September 1999.
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