Geophysical logs
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[This metadata record has been superseded, see http://data.bgs.ac.uk/id/dataHolding/13480158] This dataset is an archive of original data for the geophysical logging of boreholes drilled by the National Coal Board (NCB) and its successor, British Coal Corporation (BCC). Data coverage is UK wide and dates from the 1970's to the privatisation of the coal mining industry, in 1994. The dataset includes approximately 2000 field data recording tapes and processed data tapes. The processed data tapes are at various stages of processing and consist of edited data and computed (CSU) data (not available for all boreholes). The data are kept as archive copies. The data are owned by the Coal Authority (CA), as successor to the NCB and BCC, BGS being the custodian under an agreement with the Coal Authority. No full catalogue or index available yet.
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This Web service provides geophysical log data held by the British Geological Survey (BGS) within the National Geoscience Data Centre (NGDC). Two layers are provided. The 'geophysical logs' layer is an index into the boreholes for which BGS holds digital and hard-copy geophysical log data. Metadata about each borehole are included, as well as a link to where digital geophysical log data may be downloaded, where available. The 'geophysical logs - onshore hydrocarbon wells' layer is a subset of the 'geophysical logs' layer which includes only onshore hydrocarbon well boreholes.
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The borehole information pack from borehole GGA08, site 03 of the UK Geoenergy Observatories (UKGEOS) Glasgow facility. This release from the British Geological Survey (BGS) contains BGS and Drillers’ logs, cased hole and open hole wireline data, optical camera, CCTV data, a listing of archived rock chips and a descriptive report. The mine water characterisation and monitoring borehole was drilled between 25th June and 6th December 2019 (start of drilling to casing installation date) to 91.37 m drilled depth. The cased borehole was wireline logged in January 2020 and hydrogeologically tested in February 2020. Rock chip samples were taken during the drilling process and have been archived at the National Geological Repository at BGS Keyworth. Further details can be found in the accompanying report http://nora.nerc.ac.uk/id/eprint/528081 DOIhttps://dx.doi.org/10.5285/b19497aa-75a5-4f51-8089-299f9229b9ca
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The borehole information pack from borehole GGA04, site 02 of the UK Geoenergy Observatories (UKGEOS) Glasgow facility. This release from the British Geological Survey (BGS) contains BGS and Drillers’ logs, cased hole and open hole wireline data, a listing of archived rock chips and a descriptive report. The mine water characterisation and monitoring borehole was drilled between 28th June and 22nd October 2019 (start of drilling to casing installation date) to 53.63 m drilled depth. The cased borehole was wireline logged and hydrogeologically tested in January 2020. Rock chip samples were taken during the drilling process and have been archived at the National Geological Repository at BGS Keyworth. Further details can be found in the accompanying report http://nora.nerc.ac.uk/id/eprint/528078 DOI https://dx.doi.org/10.5285/83ab3481-45d9-475d-8814-008edc9fb1cb
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The British Geological Survey Geophysical Logs Database provides an index into downhole geophysical log data from onshore UK boreholes held by BGS within the National Geoscience Data Centre (NGDC). Geophysical log data may be used to understand stratigraphy, aid mapping work, assess resources like groundwater and quantify subsurface variability, so they are critical to many projects across the geoscience sector in the UK, including those which contribute towards net zero objectives such as the assessment of geothermal resources, storage of heat and waste materials, and the identification of mineral resources. The database includes hardcopy records (with digital scans) as well as digital wireline data in lis, las and dlis format. The data are linked to the Single Onshore Borehole Index and may be queried by borehole and spatial location. Hardcopy records are held in NGDC at BGS Keyworth. Some of the digital wireline data are in binary file formats, including .lis, .dlis, .tap and .tif (not an image format), which require specialist logging software to use. The database represents the combination of three historic databases which date from 1985 onwards, and the primary data were collected by different drilling companies and for different purposes, so the data have varying provenance and therefore quality. Not all data in the database are provided externally. Some data remain confidential, and because of the aggregate nature of the dataset, a small amount of the data are considered suspect and are not provided publicly. Significant collections within the database are: 1. Data acquired by the former National Coal Board and British Coal during their exploration for coal in the UK. Ownership of UK coal exploration data was transferred to the Coal Authority (now the Mining Remediation Authority) following privatisation of the UK coal industry, with British Geological Survey as custodian of the data. These data are in general publicly available; however, access to data within active mining licences is restricted in that it requires the consent of the mining licensee. The Coal Authority data archive includes digital data for some of the geophysical borehole logging. These are mainly in the form of original field tapes; however, also available are some data transcribed onto more modern media during BGS projects. 2. Data from onshore hydrocarbon wells regulated by the North Sea Transition Authority (NSTA; formerly known as DECC – Department of Energy and Climate Change and OGA – Oil and Gas Authority). These oil and gas wells deeply penetrate the crust (often over 1 km deep) under the UK mainland and are geographically widespread.
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The borehole information pack from borehole GGC01, site 10 of the UK Geoenergy Observatories (UKGEOS) Glasgow facility. This final data release pack from BGS contains geophysical (MSCL-S), Near Infrared (NIR) and X-ray Fluorescence (XRF; mineralogical and chemical) core scan and core-wireline depth integration data, in addition to sedimentology, discontinuity and engineering logs, core scan optical and X-ray images, composite and digital wireline logs, drillers' summary logs and prognosis, sample recovery information spreadsheets and daily drillers' borehole records that were contained within the now-superseded intermediate data release. The cored, seismic monitoring borehole was drilled between 19 November and 12 December 2018 to 199m producing a core of 102 mm diameter. The borehole was wireline logged in December 2018 and a string of 5 seismometers were installed in February 2019. A range of fluid, water and core samples were taken during the drilling process. The borehole information pack- final release contains a range of logs on the core as well as images and scans of that core, these data were acquired in the first half of 2019 and late 2020/early 2021. The final data release for GGC01 includes: 1. UKGEOSGlasgow_GGC01_Final.zip file that includes the majority of the various data files, including files from the intermediate and initial data packs. 2. UKGEOSGlasgowGGC01_slabbedhighresimages.zip that contains the slabbed core optical images, 51GB in size. 3. Intermediate Borehole Information Pack - Part Two, high resolution whole core optical and radiographic images https://doi.org/10.5285/0b49f25b-a5d6-401c-98ff-397ad9ee9ed1 71GB in size, already released. Further details and model limitations can be found in the accompanying report http://nora.nerc.ac.uk/id/eprint/530762
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The BGS Geophysical Logs Database contains downhole geophysical log data from onshore UK boreholes drilled for the purpose of oil and gas exploration and extraction. These wells are regulated by the North Sea Transition Authority (NSTA; formerly known as DECC – Department of Energy and Climate Change and OGA – Oil and Gas Authority) and deeply penetrate the crust (often over 1 km deep) under the UK mainland, making the data collected from them useful for a variety of purposes. This dataset is a subset of the BGS Geophysical Logs Database.
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The borehole information pack from borehole GGA01, site 01 of the UK Geoenergy Observatories (UKGEOS) Glasgow facility. This release from the British Geological Survey (BGS) contains BGS and Drillers’ logs, cased hole wireline data, a listing of archived rock chips and a descriptive report. The mine water characterisation and monitoring borehole was drilled between 11th June and 21st August 2019 (start of drilling to casing installation date) to 52 m drilled depth. The cased borehole was wireline logged and hydrogeologically tested in January 2020. Rock chip samples were taken during the drilling process and have been archived at the National Geological Repository at BGS Keyworth. Further details can be found in the accompanying report http://nora.nerc.ac.uk/id/eprint/528075, DOI https://dx.doi.org/10.5285/0d496c68-f79b-4956-8cd2-4970d1e86145.
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The borehole information pack from borehole GGA07, site 03 of the UK Geoenergy Observatories (UKGEOS) Glasgow facility. This release from the British Geological Survey (BGS) contains BGS and Drillers’ logs, cased hole and open hole wireline data, optical camera data, a listing of archived rock chips and a descriptive report. The mine water characterisation and monitoring borehole was drilled between 24th June and 16th December 2019 (start of drilling to casing installation date) to 56.9 m drilled depth. The cased borehole was wireline logged in January 2020 and hydrogeologically tested in February 2020. Rock chip samples were taken during the drilling process and have been archived at the National Geological Repository at BGS Keyworth. Further details can be found in the accompanying report http://nora.nerc.ac.uk/id/eprint/528080 DOI https://dx.doi.org/10.5285/d8d27fb5-3be4-4a54-aef7-8429ec234667
NERC Data Catalogue Service