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WELL DATA SUMMARY SHEETS
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WELL: BO-1X
Contents
Technical and administrative data
| Location
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Offshore
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| Longitude
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04°34'18''.66
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| Latitude
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55°48'08''.22
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| UTM Zone
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31
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| UTM Easting (x)
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598533.0 (m)
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| UTM Northing (y)
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6185329.0 (m)
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| Well block no.
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5504/7-2
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| Reference point
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KB 109 ft above MSL
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| Water depth
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138 ft below MSL
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| TD log
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8998 ft below KB
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| TD drill
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9000 ft below KB
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| The well is
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Vertical
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| Field:
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Valdemar
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| Structure:
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Bo
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| Spudded
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19/08-1977
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| Completed
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04/09-1977
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| Spud classification
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Exploration
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| Status (completion)
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Plugged and abandoned
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| License
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Duc Eneret 1962 A-Sv
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| Operator
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Chevron
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| Contractor
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Mærsk Drilling
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| Rig
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Mærsk Explorer
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Casing
| top depth | shoe depth | diameter |
| ft. | m. | ft. | m. | inch | inch (decim) |
| 0.0
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0.0
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346.1
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105.5
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36"
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36.000
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| 0.0
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0.0
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1503.9
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458.4
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20"
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20.000
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| 0.0
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0.0
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4498.0
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1371.0
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13 3/8"
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13.375
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| 0.0
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0.0
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7604.0
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2317.7
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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 | |
| 247.0
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6750.9
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Post Chalk Group
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| 6750.9
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7473.9
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Chalk Group
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| 7473.9
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8347.8
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Cromer Knoll Group
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| 8347.8
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8997.8
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Jurassic units
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Chronostratigraphy (Periods)
| Top | Bottom | Unit |
| ft. below ref. level | |
| 247
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1997
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Quaternary
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| 1997
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6757
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Tertiary
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| 6757
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8347
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Cretaceous
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| 8347
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8997
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Jurassic
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Samples
Cores
| core | top | bottom | recovery |
| no. | ft. below ref. level | |
| 1
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6767.00
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6824.00
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100.0
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| 2
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6824.00
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6885.00
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100.0
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| 3
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6885.00
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6946.00
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100.0
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| 4
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7156.00
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7171.00
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80.0
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| 5
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7171.00
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7231.00
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100.0
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| 6
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7231.00
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7291.00
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100.0
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| 7
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7291.00
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7351.00
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100.0
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| 8
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7351.00
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7411.00
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100.0
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Cuttings
| from | to | distance |
| ft. below ref. level | bt cuttings |
| 260.00
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4490.00
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30.00
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| 4490.00
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4500.00
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10.00
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| 4500.00
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4540.00
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40.00
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| 4540.00
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5500.00
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20.00
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| 5500.00
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5820.00
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10.00
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| 5820.00
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6000.00
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20.00
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| 6000.00
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9000.00
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10.00
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Sidewall Cores
114 samples recovered from interval 4543 - 8982 ft. below ref. level
Well Tests
| Top
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Bottom
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Test type
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| ft. below ref. level.
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| 6750
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6790
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FT 2
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| 7052
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7122
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FT 1
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Available well logs
Company: Chevron Oil Company Geophysical Division
| File no. | |
| 1798 |
Dipmeter (All Picks), 4485.0-9025.0 ft, 1:200 |
| 1799 |
Dipmeter (Selvec), 4485.0-9025.0 ft, 1:600 |
| 1800 |
Dipmeter (Quality Control Plot), 4485.0-9025.0 ft |
Company: Chevron Petroleum Company Of Denmark
| File no. | |
| 16031 |
Composite Log, 346.0-9000.0 ft, 1:1000 |
Company: Exploration Logging
| File no. | |
| 21178 |
Mud Log - Formation Evaluation Log, 346.0-9000.0 ft, 1:1000 |
| 21179 |
Formation Pressure Log, 1500.0-9000.0 ft |
Company: Schlumberger
| File no. | |
| 1785 |
Borehole Compensated Sonic Log, 1502.0-4510.0 ft, 1:200 |
| 1786 |
Borehole Compensated Sonic Log, 4492.0-7606.0 ft, 1:200 |
| 1787 |
Borehole Compensated Sonic Log, 7592.0-8985.0 ft, 1:200 |
| 1788 |
Borehole Compensated Sonic Log, 1502.0-8985.0 ft, 1:1000 |
| 1789 |
Perforating Depth Control |
| 1790 |
Cement Bond Log, 4200.0-7592.0 ft, 1:200 |
| 1791 |
Cement Bond Log, 4200.0-7487.0 ft, 1:200 |
| 1792 |
Compensated Neutron Formation Density, 4492.0-8996.0 ft, 1:200 |
| 1793 |
Compensated Neutron Formation Density, 4492.0-8996.0 ft, 1:1000 |
| 1794 |
Compensated Neutron Log, 6500.0-7592.0 ft, 1:200 |
| 1796 |
Continuous Dipmeter, 4492.0-7618.0 ft, 1:200 |
| 1797 |
Continuous Dipmeter, 7592.0-8994.0 ft, 1:200 |
| 1801 |
Dual Laterolog, 4492.0-7619.0 ft, 1:1000 |
| 1802 |
Dual Laterolog, 4492.0-7619.0 ft, 1:200 |
| 1804 |
Indutcion Electrical Log, 1502.0-4516.0 ft, 1:200 |
| 1805 |
Induction Electrical Log, 1502.0-4516.0 ft, 1:1000 |
| 1806 |
Induction Electrical Log, 7592.0-8996.0 ft, 1:200 |
| 1807 |
Induction Electrical Log, 7592.0-8996.0 ft, 1:1000 |
| 4096 |
Borehole Compensated Sonic Log, 247.0-8985.0 ft, 1:200 |
Company: Seismograph Service Ltd.
| File no. | |
| 21180 |
Sonic Log - Well Velocity Survey and Calibrated Log Data - Airgun Computation, 600.0-8950.0 ft |
Available Reports
| File no. | Author, company, title, publication date |
| 6918
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EXPRO : Laboratory Report - Composition of separator gas samples (Ref.: CHEV/91/G, October 1977.
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| 6919
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CHEVRON : Computed Dipmeter results (tabulated) - depth: 4485'-9025', August 1977.
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| 6921
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EXPRO : Operations Report - Production Testing - test no. 1 (7052'-7122') and test no. 2 (6750'-6790'), September 1977.
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| 6922
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SPERRY-SUN : Pressure Gauge Survey - Test 1, 2 - Production Test, September 1977.
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| 6923
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PALEOSERVICES : Stratigraphical/Paleontological Final Report - Depth interval: 320'-9000', October 1977.
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| 6924
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HEWLETT PACKARD : Pressure-Temperature Data Survey Report - Test interval: 7052'-7122', August 1977.
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| 7676
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CHEVRON : Completion report, October 1977.
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| 8832
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PETROLEUM TESTING SERVICES : Core Analysis Data - Depth interval: 6767'-7410', December 1977.
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| 8837
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SEISMOGRAPH SERVICE : Well Velocity Survey and Calibration of Sonic Logs, August 1977.
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