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Metadata Files

Data Publication

Data from seismic slip-pulse experiments simulating induced earthquake rupture in the Groningen gas field

Hunfeld, Luuk Bernd

YoDa Data Repository, Utrecht University, Netherlands

(2021)

Rock materials show dramatic dynamic weakening in large-displacement (m), high-velocity (~1 m/s) friction experiments, providing a mechanism for the generation of large, natural earthquakes. However, whether such weakening occurs during induced M3-4 earthquakes (dm displacements) is unknown. We performed rotary-shear experiments on simulated fault gouges prepared from the source-, reservoir- and caprock formations present in the seismogenic Groningen gas field (Netherlands). Water-saturated gouges were subjected to a slip pulse reaching a peak circumferential velocity of 1.2-1.7 m/s and total displacements of 15-20 cm, at 2.5-20 MPa normal stress. The results show 22-81% dynamic weakening within 5-12 cm of slip, depending on normal stress and gouge composition. At 20 MPa normal stress, dynamic weakening from peak friction coefficients of 0.4-0.9 to 0.19-0.27 was observed, probably through thermal pressurization. We infer that similar effects play a key role during induced seismic slip on faults in the Groningen and other reservoir systems.

Keywords


Originally assigned keywords
Rock and melt physical properties
EPOS
Multiscale laboratories
seismic slippulse experiments
earthquake rupture
Groningen gas field
simulated fault gouges
Powder Mixture
Rotary Shear
Thermocouple
Radial strain gauge
Friction
Imposed Slip

Corresponding MSL vocabulary keywords
simulated fault gouge
rotary shear apparatus
rotary shear apparatus
thermometer
friction coefficient
frictional deformation
friction coefficient
friction - controlled slip rate
friction - controlled slip rate

MSL enriched keywords
fault rock
fault gouge
simulated fault gouge
Apparatus
deformation testing
shear testing
rotary shear apparatus
Apparatus
characterization of modelling material
frictional property determination
rotary shear apparatus
Ancillary equipment
measurement of temperature
thermometer
Measured property
friction - controlled slip rate
friction coefficient
Inferred deformation behavior
deformation behaviour
frictional deformation
Measured property
friction - controlled slip rate
friction coefficient
antropogenic setting
gas field
Induced seismicity
subsurface energy production
hydrocarbon energy production
gas field
induced seismicity

MSL original sub domains

rock and melt physics

MSL enriched sub domains i

rock and melt physics
analogue modelling of geologic processes

Source

http://dx.doi.org/10.24416/UU01-A8BLMR

Source publisher

YoDa Data Repository, Utrecht University, Netherlands


DOI

10.24416/UU01-A8BLMR


Authors

Hunfeld, Luuk Bernd

0000-0001-9250-414X

TNO;


Contributers

Chen, Jianye

DataCollector

0000-0002-5973-5293

Utrecht University;

Niemeijer, André Rik

ProjectMember

0000-0002-3436-8941

Utrecht University;

Ma, Shengli

Researcher

0000-0002-5964-5458

Institute of Geology, China Earthquake Administration;

Spiers, Christopher James

ProjectLeader

0000-0002-3436-8941

Utrecht University;


Citiation

Hunfeld, L. B. (2021). Data from seismic slip-pulse experiments simulating induced earthquake rupture in the Groningen gas field (Version 1.0) [Data set]. Utrecht University. https://doi.org/10.24416/UU01-A8BLMR


Collection Period

2019-02-03 - 2019-05-30