21/30- 7

Decommissioned

Well Header

Well No
21/30- 7
NSTA DEN No
2028
Well Name
--
Drill Seq No
7
Quadrant / Block
21 / 30
Surface Location
57.155351, 0.950456
Source Datum
ED50
Subsea Well
No
Platform
--
Slot No
--
Operator
ADURA ENERGY LIMITED
Original Operator
--
Sub Area Operator
ADURA ENERGY LIMITED
Licence No
P13
Licence Type
Production
Spud Date
1982-10-19
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (4)

21/30- 7 Original
Current Intent
Appraisal
Original Intent
Appraisal
Flow Class
Dry Hole
Dev Type
--
Convention
--
Primary Target
K
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
21.336
Ground Elev (m)
--
Water Depth (m)
95.40
TD MD (m)
2133.600
TD TVDSS (m)
--
TD Datum Depth (m)
21.336
TD Datum Type
Kelly Bushing
Spud Date
1982-10-19
TD Reached
1982-12-03
Completion Date
1982-12-09
Release Date
1986-12-09
21/30- 7J Sidetrack J parent: 21/30- 7Z
Abandoned Phase 3 Survey
Current Intent
Appraisal
Original Intent
Appraisal
Flow Class
--
Dev Type
--
Convention
Conventional
Primary Target
--
Well Seq
--
Datum Type
Rotary Table
Datum Elev (m)
21.336
Ground Elev (m)
--
Water Depth (m)
95.40
TD MD (m)
1909.267
TD TVDSS (m)
--
TD Datum Depth (m)
--
TD Datum Type
--
Spud Date
1983-01-04
TD Reached
1983-01-04
Completion Date
1983-01-26
Release Date
1987-01-26
21/30- 7Y Sidetrack Y parent: 21/30- 7Z
Current Intent
Appraisal
Original Intent
Appraisal
Flow Class
Gas and Oil Well
Dev Type
--
Convention
--
Primary Target
K
Well Seq
WB3
Datum Type
Kelly Bushing
Datum Elev (m)
21.336
Ground Elev (m)
--
Water Depth (m)
95.40
TD MD (m)
2392.680
TD TVDSS (m)
2136.343
TD Datum Depth (m)
21.336
TD Datum Type
Kelly Bushing
Spud Date
1983-01-26
TD Reached
1983-02-05
Completion Date
1983-03-12
Release Date
1987-03-12
21/30- 7Z Sidetrack Z parent: 21/30- 7
Current Intent
Appraisal
Original Intent
Appraisal
Flow Class
Oil Well
Dev Type
--
Convention
--
Primary Target
K
Well Seq
WB2
Datum Type
Kelly Bushing
Datum Elev (m)
25.908
Ground Elev (m)
--
Water Depth (m)
95.40
TD MD (m)
2334.768
TD TVDSS (m)
--
TD Datum Depth (m)
25.908
TD Datum Type
Kelly Bushing
Spud Date
1982-12-09
TD Reached
1983-01-03
Completion Date
1983-01-26
Release Date
1987-01-26

Formation Tops (3)

Wellbore Formation Era MD (m) TVDSS (m) Provider
21/30- 7Y Unknown 117.000 95.664 BGS LithoStrat Upper
Sele Mesozoic 1960.000 1938.664 BGS LithoStrat Upper
Forties Mesozoic 1971.000 1949.664 BGS LithoStrat Upper

Lithology Intervals

No lithology intervals ingested for this well.

Interpreted Data Inventory (LR / WellStrat)

Open Interpreted Data Log
Wellbore Groups Formations Members Strat Intervals Tops HC Occ Core Cuttings DSTs
21/30- 7 0 0 0 0 0 1 1 1 0 View
21/30- 7J 0 0 0 0 0 0 0 0 0
21/30- 7Y 0 0 0 3 3 1 0 1 3 View
21/30- 7Z 0 0 0 0 0 1 0 1 0 View

Hydrocarbon Occurrence (4)

Wellbore Category Code Formation / Litho Top MD (m) Base MD (m) Notes
21/30- 7Y Oil O Forties Sandstone Member 1971.1416000000002 -- 422 m thick
21/30- 7Y DST DST 3 -- 2225.0 2234.2 Label / Forties
21/30- 7Y DST DST 2 -- 2243.3 2252.5 Not used for labelling, multiple DSTs in same play / Forties
21/30- 7Y DST DST 1 -- 2376.2 2385.4 Not used for labelling, multiple DSTs in same play / Forties

Rock Samples (68)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
21/30- 7 Cuttings 228.6 2133.6 -- -- .
21/30- 7 Core #1 1944.53 1963.37 φ 30.8% (n=64) · Kh 1529.7 mD (n=64) · Kv 904.3 mD (n=4) · Density 2.66 (n=64) · ROBERTSON -- .
21/30- 7 ↳ Plug 1 1944.624 -- φ 33.1% · Kh 1220.0 mD · Kv 614.0 mD · Density 2.65 · ROBERTSON -- --
21/30- 7 ↳ Plug 2 1944.959 -- φ 22.7% · Kh 61.0 mD · Density 2.66 · ROBERTSON -- --
21/30- 7 ↳ Plug 3 1945.295 -- φ 32.8% · Kh 508.0 mD · Density 2.65 · ROBERTSON -- --
21/30- 7 ↳ Plug 4 1945.538 -- φ 35.4% · Kh 1444.0 mD · Density 2.65 · ROBERTSON -- --
21/30- 7 ↳ Plug 5 1945.874 -- φ 30.4% · Kh 1626.0 mD · Density 2.65 · ROBERTSON -- --
21/30- 7 ↳ Plug 6 1946.239 -- φ 32.6% · Kh 1592.0 mD · Density 2.65 · ROBERTSON -- --
21/30- 7 ↳ Plug 7 1946.377 -- φ 29.1% · Kh 951.0 mD · Density 2.65 · ROBERTSON -- --
21/30- 7 ↳ Plug 8 1946.758 -- φ 4.4% · Kh -19.0 mD · Density 2.71 · ROBERTSON -- --
21/30- 7 ↳ Plug 9 1947.062 -- φ 3.3% · Kh -19.0 mD · Density 2.70 · ROBERTSON -- --
21/30- 7 ↳ Plug 10 1947.367 -- φ 33.6% · Kh 1659.0 mD · Density 2.66 · ROBERTSON -- --
21/30- 7 ↳ Plug 11 1947.702 -- φ 33.6% · Kh 1459.0 mD · Density 2.66 · ROBERTSON -- --
21/30- 7 ↳ Plug 12 1948.007 -- φ 31.2% · Kh 1805.0 mD · Density 2.66 · ROBERTSON -- --
21/30- 7 ↳ Plug 13 1948.251 -- φ 32.9% · Kh 1605.0 mD · Density 2.66 · ROBERTSON -- --
21/30- 7 ↳ Plug 14 1948.617 -- φ 34.6% · Kh 1439.0 mD · Density 2.66 · ROBERTSON -- --
21/30- 7 ↳ Plug 15 1948.922 -- φ 34.8% · Kh 1832.0 mD · Density 2.65 · ROBERTSON -- --
21/30- 7 ↳ Plug 16 1949.257 -- φ 30.6% · Kh 745.0 mD · Density 2.66 · ROBERTSON -- --
21/30- 7 ↳ Plug 17 1949.47 -- φ 31.0% · Kh 1096.0 mD · Density 2.66 · ROBERTSON -- --
21/30- 7 ↳ Plug 18 1949.806 -- φ 35.0% · Kh 896.0 mD · Density 2.66 · ROBERTSON -- --
21/30- 7 ↳ Plug 19 1950.11 -- φ 31.8% · Kh 484.0 mD · Density 2.66 · ROBERTSON -- --
21/30- 7 ↳ Plug 20 1950.385 -- φ 36.4% · Kh 1632.0 mD · Density 2.66 · ROBERTSON -- --
21/30- 7 ↳ Plug 21 1950.72 -- φ 31.8% · Kh 1865.0 mD · Density 2.65 · ROBERTSON -- --
21/30- 7 ↳ Plug 22 1950.994 -- φ 33.0% · Kh 1031.0 mD · Density 2.65 · ROBERTSON -- --
21/30- 7 ↳ Plug 21 1950.994 -- φ 32.4% · Kh 679.0 mD · Density 2.66 · ROBERTSON -- --
21/30- 7 ↳ Plug 22 1951.299 -- φ 32.7% · Kh 626.0 mD · Density 2.65 · ROBERTSON -- --
21/30- 7 ↳ Plug 23 1951.36 -- φ 34.4% · Kh 1071.0 mD · Density 2.65 · ROBERTSON -- --
21/30- 7 ↳ Plug 24 1951.634 -- φ 31.8% · Kh 1338.0 mD · Density 2.65 · ROBERTSON -- --
21/30- 7 ↳ Plug 25 1951.939 -- φ 35.5% · Kh 1280.0 mD · Density 2.68 · ROBERTSON -- --
21/30- 7 ↳ Plug 26 1952.198 -- φ 31.8% · Kh 1356.0 mD · Density 2.67 · ROBERTSON -- --
21/30- 7 ↳ Plug 27 1952.549 -- φ 14.3% · Kh 0.6 mD · Density 2.68 · ROBERTSON -- --
21/30- 7 ↳ Plug 28 1952.854 -- φ 13.6% · Kh 0.2 mD · Kv 0.1 mD · Density 2.69 · ROBERTSON -- --
21/30- 7 ↳ Plug 29 1953.128 -- φ 31.5% · Kh 1533.0 mD · Density 2.66 · ROBERTSON -- --
21/30- 7 ↳ Plug 30 1953.433 -- φ 31.8% · Kh 2389.0 mD · Density 2.66 · ROBERTSON -- --
21/30- 7 ↳ Plug 32 1954.073 -- φ 12.2% · Kh 0.2 mD · Density 2.69 · ROBERTSON -- --
21/30- 7 ↳ Plug 33 1954.378 -- φ 34.2% · Kh 2393.0 mD · Density 2.65 · ROBERTSON -- --
21/30- 7 ↳ Plug 34 1954.682 -- φ 32.5% · Kh 3116.0 mD · Density 2.66 · ROBERTSON -- --
21/30- 7 ↳ Plug 35 1954.957 -- φ 32.5% · Kh 2761.0 mD · Density 2.66 · ROBERTSON -- --
21/30- 7 ↳ Plug 36 1955.292 -- φ 33.3% · Kh 1431.0 mD · Density 2.67 · ROBERTSON -- --
21/30- 7 ↳ Plug 37 1955.597 -- φ 32.4% · Kh 2003.0 mD · Density 2.67 · ROBERTSON -- --
21/30- 7 ↳ Plug 38 1955.871 -- φ 32.7% · Kh 1834.0 mD · Density 2.68 · ROBERTSON -- --
21/30- 7 ↳ Plug 39 1956.176 -- φ 33.7% · Kh 1402.0 mD · Density 2.67 · ROBERTSON -- --
21/30- 7 ↳ Plug 40 1956.511 -- φ 38.0% · Kh 2640.0 mD · Kv 2568.0 mD · Density 2.66 · ROBERTSON -- --
21/30- 7 ↳ Plug 41 1956.786 -- φ 32.5% · Kh 1404.0 mD · Density 2.68 · ROBERTSON -- --
21/30- 7 ↳ Plug 42 1957.121 -- φ 32.7% · Kh 2066.0 mD · Density 2.66 · ROBERTSON -- --
21/30- 7 ↳ Plug 43 1957.426 -- φ 33.1% · Kh 1017.0 mD · Density 2.67 · ROBERTSON -- --
21/30- 7 ↳ Plug 44 1957.7 -- φ 33.8% · Kh 6408.0 mD · Density 2.67 · ROBERTSON -- --
21/30- 7 ↳ Plug 43 1957.7 -- φ 31.1% · Kh 2121.0 mD · Density 2.67 · ROBERTSON -- --
21/30- 7 ↳ Plug 45 1958.035 -- φ 33.7% · Kh 1891.0 mD · Density 2.67 · ROBERTSON -- --
21/30- 7 ↳ Plug 46 1958.34 -- φ 34.2% · Kh 1746.0 mD · Density 2.66 · ROBERTSON -- --
21/30- 7 ↳ Plug 47 1958.614 -- φ 32.4% · Kh 2492.0 mD · Density 2.67 · ROBERTSON -- --
21/30- 7 ↳ Plug 48 1958.95 -- φ 31.4% · Kh 2359.0 mD · Density 2.67 · ROBERTSON -- --
21/30- 7 ↳ Plug 49 1959.254 -- φ 35.1% · Kh 2520.0 mD · Density 2.66 · ROBERTSON -- --
21/30- 7 ↳ Plug 50 1959.529 -- φ 29.4% · Kh 1439.0 mD · Density 2.64 · ROBERTSON -- --
21/30- 7 ↳ Plug 51 1959.864 -- φ 31.1% · Kh 1235.0 mD · Density 2.66 · ROBERTSON -- --
21/30- 7 ↳ Plug 52 1960.169 -- φ 31.7% · Kh 1166.0 mD · Density 2.66 · ROBERTSON -- --
21/30- 7 ↳ Plug 53 1960.443 -- φ 31.7% · Kh 1470.0 mD · Density 2.66 · ROBERTSON -- --
21/30- 7 ↳ Plug 54 1960.778 -- φ 31.7% · Kh 2289.0 mD · Density 2.66 · ROBERTSON -- --
21/30- 7 ↳ Plug 55 1961.083 -- φ 31.7% · Kh 2398.0 mD · Density 2.65 · ROBERTSON -- --
21/30- 7 ↳ Plug 56 1961.418 -- φ 32.4% · Kh 1995.0 mD · Density 2.66 · ROBERTSON -- --
21/30- 7 ↳ Plug 57 1961.693 -- φ 33.8% · Kh 2128.0 mD · Density 2.64 · ROBERTSON -- --
21/30- 7 ↳ Plug 58 1961.998 -- φ 32.6% · Kh 2256.0 mD · Density 2.65 · ROBERTSON -- --
21/30- 7 ↳ Plug 59 1962.272 -- φ 32.4% · Kh 2345.0 mD · Density 2.66 · ROBERTSON -- --
21/30- 7 ↳ Plug 60 1962.485 -- φ 31.4% · Kh 1724.0 mD · Density 2.66 · ROBERTSON -- --
21/30- 7 ↳ Plug 61 1962.912 -- φ 31.7% · Kh 371.0 mD · Kv 435.0 mD · Density 2.66 · ROBERTSON -- --
21/30- 7 ↳ Plug 62 1963.217 -- φ 31.9% · Kh 297.0 mD · Density 2.68 · ROBERTSON -- --
21/30- 7Y Cuttings 1075.94 2331.72 -- -- came in as 7A .
21/30- 7Z Cuttings 1688.59 2392.68 -- -- sidetrack 2 came in as 7A .

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
21/30- 7 199.9488067626953 2133.142822265625 9 0 2026-08-06 10:26:04.058885+00 View Log
21/30- 7Y 1958.7972412109375 2395.118408203125 8 0 2026-08-06 10:26:06.170498+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
21/30- 7
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density RHOB CGG Digital Well Logs 209.3976 1763.5728000000001 10199
caliper CALI CGG Digital Well Logs 208.6356 1768.9068 10239
comp_sonic DT CGG Digital Well Logs 208.788 2133.1428 12628
deep_resistivity ILD CGG Digital Well Logs 208.3308 1768.9068 10241
density_correction DRHO CGG Digital Well Logs 209.55 1763.4204000000002 10197
gamma_ray GRD CGG Digital Well Logs 202.5396 1040.13 5497
gamma_ray GR CGG Digital Well Logs 199.9488 2126.4372000000003 12642
neutron_por NPHI CGG Digital Well Logs 209.0928 1763.8776 10203
shallow_resistivity SFLU CGG Digital Well Logs 209.7024 759.5616 3609
sp SP CGG Digital Well Logs 210.9216 761.238 3612
21/30- 7Y
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density RHOB CGG Digital Well Logs 1976.4756000000002 2395.1184000000003 2748
caliper CALI CGG Digital Well Logs 1976.3232 2395.1184000000003 2749
comp_sonic DT CGG Digital Well Logs 1976.3232 2385.06 2683
deep_resistivity ILD CGG Digital Well Logs 1976.3232 2393.5944 2739
density_correction DRHO CGG Digital Well Logs 1976.4756000000002 2395.1184000000003 2748
gamma_ray GRD CGG Digital Well Logs 1958.7972000000002 2387.9556000000002 2817
gamma_ray GR CGG Digital Well Logs 1970.8368 2390.3940000000002 2754
neutron_por NPHI CGG Digital Well Logs 1976.4756000000002 2390.6988 2719
pef PEF CGG Digital Well Logs 1976.3232 2395.1184000000003 2749

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
21/30- 7 58 2392.680 2361.517 D:\BigSpatial\nsta_raw\CGG_Deviation\21-30-7 10194ah_CGG-Deviation.xlsx
21/30- 7J 0 -- -- --
21/30- 7Y 0 -- -- --
21/30- 7Z 0 -- -- --

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