BURTON FM

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• General information

  General information

  Attribute	Value
  Lithostrat. unit The lithostratigraphic unit's official name.	BURTON FM
  NPDID lithostrat. unit Norwegian Offshore Directorate's unique id for lithostratigraphic units.	20
  Level Indicates the lithostratigraphic unit's level. Legal values: GROUP, FORMATION, MEMBER.	FORMATION
  Lithostrat. unit, parent The parent lithostratigraphic unit's official name. See also level. Will be empty if Level = GROUP.	DUNLIN GP

• Level below

  Level below

  Lithostrat. unit

• Description

  Burton Formation
  
  Name

  Named by Deegan and Scull (1977) who gave it "sub-unit" status.

  Well type section

  UK well 211/29-3 (Shell) from 2950.5 m to 2993 m, coord N 61°08'06", E 01°43'36.5", (Fig 3.10) .

  Well reference section

  Norwegian well 33/9-1 (Mobil) from 2801 m to 2838 m, coord N 61°15'07.5", E 01°50'25.8" (Fig 3.11) .

  Thickness

  42.5 m in the type well and 37 m in the reference well.

  Lithology

  In the type well it consists of a uniform development of dark grey to reddish-grey, soft non-calcareous claystone and shale, which may be in part slightly carbonaceous.

  Boundaries

  The formation is normally represented on both gamma ray and sonic logs by smooth linear almost constant readings, reflecting the lithological uniformity. The upper and lower contacts are identified where this log character changes.

  Distribution

  Although the log character changes slightly away from the type section, the formation can be recognised over a wide area of the northern North Sea. The formation has not been identified on the Horda Platform. It represents essentially a basinal facies and passes laterally into the Amundsen Formation in marginal areas.

  Age

  Sinemurian to Pliensbachian.

  Depositional environment

  The formation is believed to represent open marine basinal deposits.

  Source

  • Vollset, J. and Doré, A. G. (eds.) 1984: A revised Triassic and Jurassic lithostratigraphic nomenclature for the Norwegian North Sea. NPD-Bulletin No. 3, 53 pp.

• Wellbores penetrating

  Wellbores penetrating

  Wellbore name	Wellbore completion date	Top depth [m]	Bottom depth [m]
  25/5-3	26.03.1990	2475	2613
  25/5-4	07.03.1991	2941	3052
  25/8-15 S	07.08.2004	4656	4698
  25/9-2 S	03.08.2003	2190	2250
  29/3-1	15.09.1986	4147	4215
  29/6-1	09.05.1982	4607	4645
  29/9-1	24.02.1984	4530	4562
  30/2-1	12.10.1982	4000	4110
  30/2-3	05.10.1992	4199	4241
  30/2-4 S	09.08.2008	4217	4309
  30/3-2 R	16.02.1981	3121	3228
  30/3-7 S	12.12.1995	5197	5234
  30/4-2	16.05.1980	4208	4243
  30/6-2	11.12.1979	2445	2513
  30/6-8	06.08.1982	3405	3471
  30/6-9	16.12.1982	2878	2964
  30/6-9 R	12.05.1990	2876	2962
  30/6-14	08.02.1984	2696	2734
  30/6-15	05.09.1984	3109	3174
  30/6-16	21.01.1985	2946	2960
  30/6-19	21.06.1986	3159	3198
  30/6-19 R	25.05.1994	3158	3197
  30/6-23	01.07.1990	3065	3102
  30/6-29 S	03.03.2015	5592	5735
  30/7-7	01.07.1979	4801	4884
  30/7-8 R	29.01.1982	4366	4482
  30/8-1 S	01.03.1995	4464	4556
  30/8-1 SR	01.03.1996	4464	4556
  30/9-3 A	20.05.1984	3466	3565
  30/9-4 S	30.03.1985	3991	4054
  30/9-5 S	19.07.1985	2466	2527
  30/9-6	21.04.1987	2845	2907
  30/9-7	23.12.1988	3387	3426
  30/9-9	06.11.1989	2591	2639
  30/9-10	21.09.1990	3424	3502
  30/9-11 A	29.12.1990	2836	2875
  30/9-16	08.08.1994	3140	3267
  30/11-3	14.03.1983	4279	4324
  30/11-4	24.07.1984	4273	4319
  30/12-1	07.03.1994	3417	3549
  31/5-7	06.03.2020	2695	2702
  31/11-1 S	28.06.2021	2906	2929
  32/4-1	04.12.1996	1783	1785
  33/6-1	06.07.1979	3731	3755
  33/6-2	02.01.1997	3856	3872
  33/6-3 S	24.07.2012	4198	4230
  33/9-1	04.06.1974	2801	2838
  33/9-3	14.11.1974	2655	2849
  33/9-6	31.08.1976	3250	3280
  33/9-9	17.11.1977	2558	2715
  33/9-12	03.08.1987	2667	2692
  33/9-19 A	09.08.1996	3194	3283
  33/9-19 S	23.07.1996	2975	3027
  33/12-6	21.06.1976	3440	3565
  33/12-7	27.04.1989	3472	3530
  33/12-8 S	26.04.2002	3429	3476
  34/2-2 R	08.05.1981	3683	3705
  34/2-4	11.06.1985	3933	3972
  34/3-1 A	30.10.2008	4067	4131
  34/3-1 S	10.09.2008	3958	4016
  34/3-2 S	30.12.2009	4104	4210
  34/3-3 A	03.01.2012	4968	5013
  34/3-3 S	19.11.2011	3996	4063
  34/4-3	30.03.1982	4257	4281
  34/4-14 S	19.05.2015	4519	4538
  34/5-1 A	10.04.2010	4356	4416
  34/5-1 S	13.03.2010	3696	3761
  34/6-1 S	28.08.2002	3932	3941
  34/6-2 S	05.11.2012	3777	3782
  34/6-3 A	01.11.2014	3717	3727
  34/6-3 S	24.09.2014	4001	4013
  34/6-4	02.03.2016	4067	4115
  34/6-5 S	08.06.2021	3772	4036
  34/7-5	16.03.1985	2768	2794
  34/7-10	29.10.1986	2400	2440
  34/7-12	17.12.1987	2518	2547
  34/7-13	13.04.1988	2742	2758
  34/7-14	02.12.1989	2629	2653
  34/7-16	13.08.1990	2660	2685
  34/7-16 R	15.10.1990	2661	2686
  34/7-16 R2	05.07.1994	2660	2685
  34/7-17	07.04.1991	2818	2832
  34/7-20	27.08.1992	2919	2947
  34/8-1	08.03.1986	3163	3198
  34/8-2	17.11.1986	2934	2937
  34/8-3	14.09.1988	3118	3155
  34/8-5	01.04.1991	3186	3249
  34/8-7	16.07.1992	4953	4970
  34/8-7 R	10.02.1993	4953	4970
  34/8-8	24.08.1992	3260	3287
  34/8-8 R	09.03.1993	3260	3286
  34/8-9 S	28.12.1992	3113	3123
  34/8-10 S	09.12.1993	2939	2972
  34/8-17 S	14.03.2014	4199	4244
  34/10-1	08.09.1978	2081	2120
  34/10-2	08.12.1978	3200	3222
  34/10-3	07.06.1979	2326	2336
  34/10-3 R	10.10.1987	2323	2333
  34/10-4	15.10.1979	2165	2175
  34/10-5	02.01.1980	2381	2388
  34/10-7	23.03.1980	1937	1945
  34/10-7 R	14.07.1983	1934	1942
  34/10-9 R	03.07.1980	2203	2214
  34/10-15	12.12.1982	2034	2049
  34/10-16	11.04.1983	3602	3625
  34/10-16 R	27.09.1983	3599	3622
  34/10-17	08.07.1983	3220	3267
  34/10-18	30.08.1983	2785	2843
  34/10-19	06.12.1983	1830	1840
  34/10-23	13.10.1985	4515	4578
  34/10-33	15.12.1988	3629	3676
  34/10-35	01.07.1992	4048	4116
  34/10-38 S	29.05.1995	3211	3267
  34/10-39 S	20.06.1995	2985	3065
  34/10-41 S	28.08.1997	3099	3191
  34/10-43 S	11.04.2001	3544	3600
  34/10-44 S	08.07.2001	3498	3535
  34/10-47 A	14.11.2002	2793	2818
  34/10-49 B	21.05.2006	2925	2980
  34/10-49 B	21.05.2006	3935	3988
  34/10-49 S	08.05.2006	2925	2980
  34/10-54 A	18.04.2014	4299	4359
  34/10-54 S	11.02.2014	4230	4280
  34/11-1	25.10.1994	4338	4395
  34/11-2 S	17.05.1996	4478	4512
  34/11-3	16.01.1997	4304	4360
  35/1-1	18.07.2002	4087	4124
  35/1-2 S	19.12.2010	3961	3983
  35/3-2	26.10.1980	3946	3975
  35/3-5	31.03.1982	4052	4060
  35/7-1 S	15.08.2011	4771	4782
  35/8-1	24.01.1981	3982	3995
  35/8-2	21.05.1982	4064	4095
  35/9-9	18.11.2013	3171	3180
  35/9-11 A	21.05.2014	3701	3709
  35/9-11 S	15.04.2014	3701	3710
  35/10-2	22.08.1996	4450	4471

• Wellbores with cores

  Wellbores with cores

  Wellbore name	Wellbore completion date	Core length [m]
  25/5-4	07.03.1991	6
  30/3-2 R	16.02.1981	0
  30/4-2	16.05.1980	4
  30/6-2	11.12.1979	7
  30/6-16	21.01.1985	2
  30/9-5 S	19.07.1985	6
  31/5-7	06.03.2020	1
  34/10-7	23.03.1980	3
  34/10-35	01.07.1992	15
  35/3-2	26.10.1980	14