Identification

Title

Isotope compositions in a network of groundwater wells impaired by an underground blowout

Abstract

During the drilling of an exploration well in the 1960s, an underground blowout occurred near Sleen, The Netherlands. During approximately 25 months, near-continuous leakage of large amounts of natural gas was released into the subsurface. After the blowout, the local drinking water production company installed a network of groundwater monitoring wells to monitor for possible adverse effects on groundwater quality at the blowout site. Today, more than 50 years after the blowout, the groundwater is still impaired. Data has been correlated with previously published data by Schout et al. (2018) covering description of geology and well depths. During two fieldtrips (November 2019 & October 2020) water samples were collected from several wells covering: - Bulk gas compositions (methane, ethane, propane, oxygen, nitrogen, CO2, Argon). Bulk isotope compositions of methane (δ13C & δH), carbon dioxide (δ13C) and nitrogen (δ15N). - Methane clumped isotope compositions (ΔCD & ΔDD). - Inorganic parameters (hydrocarbons, anions, cations, DOC, alkalinity, nitrate and ammonium). The dataset was created within SECURe project (Subsurface Evaluation of CCS and Unconventional Risks) - https://www.securegeoenergy.eu/. This project has received funding from the European Union’s Horizon 2020 research and innovation programme under grant agreement No 764531.

Resource type

dataset

Resource locator

https://webapps.bgs.ac.uk/services/ngdc/accessions/index.html#item164846

name: Data

function: download

https://doi.org/10.5285/2ecdbe4f-6fe2-4a10-8474-d7bc94d3b66c

name: Digital Object Identifier (DOI)

function: information

Unique resource identifier

code

http://data.bgs.ac.uk/id/dataHolding/13607744

codeSpace

Dataset language

eng

Spatial reference system

code identifying the spatial reference system

Classification of spatial data and services

Topic category

geoscientificInformation

Keywords

Keyword set

keyword value

originating controlled vocabulary

title

reference date

date type

publication

effective date

2008-06-01

Keyword set

keyword value

Carbon dioxide

Methane

Isotopes

NGDC Deposited Data

UKCCS

originating controlled vocabulary

title

reference date

date type

revision

effective date

2022

Keyword set

keyword value

Keyword set

keyword value

NERC_DDC

Geographic location

West bounding longitude

6.8400

East bounding longitude

6.8400

North bounding latitude

52.8000

South bounding latitude

52.8000

Extent

Extent group

authority code

title

reference date

date type

creation

effective date

1979

code identifying the extent

NETHERLANDS [id=202000]

Extent group

authority code

title

reference date

date type

revision

effective date

2009

code identifying the extent

NL

Extent group

authority code

title

reference date

date type

revision

effective date

2009

code identifying the extent

NLD

Temporal reference

Temporal extent

Begin position

2019-10-29

End position

2020-10-30

Dataset reference date

date type

creation

effective date

2021-04-21

Frequency of update

notApplicable

Quality and validity

Lineage

Analysis of trace metal and major cations was conducted with inductively coupled plasma mass spectrometry (ICP-MS). Large volume (>30L) groundwater samples with dissolved methane gas were collected in pressurised cannisters. In the laboratory, cannisters were depressurised for methane degassing from the water. Headspace methane gas was collected in all metal cannisters for methane clumped isotope analyses. Seperate, small volume (~200ml) gas & water samples were collected in Isoflasks for bulk methane isotope analyses and inorganic parameters. Natural gas composition and bulk methane and CO2 isotope analyses were analysed a Agilent GC. Carbon isotopes of methane on an Agilent 6890N GC interfaced to a Thermo Delta S IRMS. Methane isotopes on an Agilent 7890A GC interfaced to a MAT 253 IRMS. Methane clumped isotope analyses are conducted on a Thermo Scientific IRMS-253 Ultra.

Conformity

Conformity report

specification

title

reference date

date type

publication

effective date

2011

degree

false

explanation

See the referenced specification

Conformity report

specification

title

reference date

date type

publication

effective date

2010-12-08

degree

false

explanation

See http://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=OJ:L:2010:323:0011:0102:EN:PDF

Data format

name of format

MS Excel

version of format

Constraints related to access and use

Constraint set

Limitations on public access

Constraint set

Limitations on public access

The copyright of materials derived from the British Geological Survey's work is vested in the Natural Environment Research Council [NERC]. No part of this work may be reproduced or transmitted in any form or by any means, or stored in a retrieval system of any nature, without the prior permission of the copyright holder, via the BGS Intellectual Property Rights Manager. Use by customers of information provided by the BGS, is at the customer's own risk. In view of the disparate sources of information at BGS's disposal, including such material donated to BGS, that BGS accepts in good faith as being accurate, the Natural Environment Research Council (NERC) gives no warranty, expressed or implied, as to the quality or accuracy of the information supplied, or to the information's suitability for any use. NERC/BGS accepts no liability whatever in respect of loss, damage, injury or other occurence however caused.

Responsible organisations

Responsible party

organisation name

TNO

full postal address

Postbus 80015, 3508 TA

Utrecht

email address

not available

responsible party role

originator

Responsible party

organisation name

British Geological Survey

email address

not available

responsible party role

distributor

Responsible party

organisation name

British Geological Survey

email address

not available

responsible party role

pointOfContact

Metadata on metadata

Metadata point of contact

organisation name

British Geological Survey

full postal address

Environmental Science Centre,Keyworth

NOTTINGHAM

NG12 5GG

United Kingdom

telephone number

+44 115 936 3100

email address

enquiries@bgs.ac.uk

responsible party role

pointOfContact

Metadata date

2025-04-13

Metadata language