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WELL DATA SUMMARY SHEETS

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WELL: ALMA-2X

Contents

Technical and administrative data

Location Offshore
Longitude 05°13'37''.42
Latitude 55°29'50''.05
UTM Zone 31
UTM Easting (x) 640689.0 (m)
UTM Northing (y) 6152515.0 (m)
Well block no. 5505/17-11
Reference point RT 123 ft above MSL
Water depth 141 ft below MSL
TD drill 15575 ft below RT
The well is Deviated
Spudded 18/10-1992
Completed 06/02-1993
Spud classification Appraisal
Status (completion) Plugged and abandoned
License Duc Eneret 1962 A-Sv
Operator Mærsk Olie Og Gas As
Contractor Shelf Drilling Ltd.
Rig Shelf Explorer

Casing

top depth shoe depth diameter
ft. m. ft. m. inch inch (decim)
0.0 0.0 430.1 131.1 30" 30.000
0.0 0.0 1500.0 457.2 18 5/8" 18.625
0.0 0.0 3842.8 1171.3 13 3/8" 13.375
0.0 0.0 9079.1 2767.3 9 5/8" 9.625
8756.9 2669.1 15569.9 4745.7 7" LINER 7.000

Lithostratigraphy (Groups)

Top Bottom Unit
ft. below ref. level
264.0 7514.0 Post Chalk Group
7514.0 8882.0 Chalk Group
8882.0 8920.0 Cromer Knoll Group
8920.0 14680.0 Jurassic units
13370.0 14180.0 Central Graben Group
14680.0 15575.0 Triassic units

Chronostratigraphy (Periods)

Top Bottom Unit
ft. below ref. level
264.0 7884.0 Tertiary-Quaternary
7884.0 9441.0 Cretaceous
9441.0 15064.0 Jurassic
15064.0 15575.0 Triassic

Samples

Cores

core top bottom recovery
no. ft. below ref. level  
1 13785.0 13818.0 88.8
2 13818.0 13861.0 102.5
3 13861.0 13887.0 92.3
4 13887.0 13904.0 78.2
5 13976.0 14036.0 25.5
6 14036.0 14074.0 68.7
7 14074.0 14112.0 97.9
8 14133.0 14143.0 100.0
9 15206.0 15269.0 98.4

Cuttings

from to distance
ft. below ref. level bt cuttings
430.00 9010.00 30.00
9010.00 15570.00 10.00
15570.00 15575.00 5.00

Available well logs

Company: Schlumberger

File no. Log type, interval, suite no, run no, scale
8429 BHC-GR, 3844.00-9101.00ft, 1, 1, 1:200
8428 BHC-GR, 3844.00-9101.00ft, 1, 1, 1:1000
8443 BHC-GR, 9079.00-15230.00ft, 3, 1, 1:200
8444 BHC-GR, 9079.00-15230.00ft, 3, 1, 1:1000
8441 DIL-MSFL-NGS, 9079.00-15230.00ft, 3, 1, 1:200
8442 DIL-MSFL-NGS, 9079.00-15230.00ft, 3, 1, 1:1000
8435 DLL-MSFL-GR, 8900.00-14328.00ft, 2, 2, 1:200
8434 DLL-MSFL-GR, 8900.00-14328.00ft, 2, 2, 1:1000
8432 DLL-MSFL-GR-SP, 7300.00-9098.00ft, 1, 1, 1:200
8433 DLL-MSFL-GR-SP, 7300.00-9098.00ft, 1, 1, 1:1000
8430 LDL-CNL-GR, 3844.00-9101.00ft, 1, 1, 1:200
8431 LDL-CNL-GR, 3844.00-9101.00ft, 1, 1, 1:1000
8437 LDL-CNL-GR, 8900.00-14328.00ft, 2, 2, 1:200
8436 LDL-CNL-GR, 8900.00-14328.00ft, 2, 2, 1:1000
8439 LDL-CNL-NGS, 9079.00-15230.00ft, 3, 1, 1:200
8440 LDL-CNL-NGS, 9079.00-15230.00ft, 3, 1, 1:1000
8438 NGL Ratios Playback, 13620.00-14238.00ft, 3, 1, 1:200

Available Reports

File no. Author, company, title, publication date
5401 Jan Andersen, DGU : Conventional Core Analysis - Total core gamma log and hot-shot plug analysis, January 1993.
5404 SPERRY-SUN DRILLING SERVICES : End of Well Report, March 1993.
5405 SIMON PETROLEUM : Biostratigraphy (850'-15575' TD) including correlation with revised jurassic breakdown of ALMA-1X well, March 1993.
5406 MÆRSK OLIE OG GAS A/S : Final Well Report, May 1993.
5407 READ WELL SERVICES : N.I. and R.S. VSP Report - Sonic Calibration, Synthetic Seismogram, Checkshot Report, N.I.VSP Processing, R.S.VSP Processing, January 1993.
5408 SCHLUMBERGER : Well Testing Data Report - Testing data 26/01-1993, January 1993.
5410 EXPRO : PVT Condensate Analysis - (sampling date 30/01/93), March 1993.
5411 Niels E. Poulsen, DGU : Central Trough Palynofacies - Description and interpretation of core samples, August 1993.
5412 COREX SERVICES : Special Core Analysis study, September 1993.
17177 Alma-2X, Danish North Sea well. Scanned core photos. CD-Rom and print-outs, September 1999.

[Top]   Last modified: 13. August 2002 © Geological Survey of Denmark and Greenland - GEUS - Øster Voldgade 10, DK-1350 Copenhagen K - Tel.: +45 38142000 - Fax: +45 38142050 - E-mail: geus@geus.dk