Episode: 2004 Stimulation Soultz-sous-Forêts

Description

The 2004 stimulation was aimed at improving the hydraulic performances of the well GPK4. This borehole was stimulated twice. The 2004 episode corresponds to the first stimulation of GPK4. 9300 m3 of water were injected during the test at a constant flowrate of 30 l/s, with peaks up to 45 l/s. A low flow injection test of GPK4 was performed before the stimulation to evaluate the initial injectivity of the well. The data from the injection test are included too.

Dates of the 2004 hydraulic programme:
- GPK4 low flow injection: from 10:38 08/09/2004 to 10:00 12/09/2004.
- GPK4 stimulation: from 08:32 13/09/2004 to 20:00 16/09/2004.

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Catalogue with hydraulic data from Drif et al.(2024)- Soultz-sous-Forêts 2004 Stimulation

Dataset

This catalogue reports hydraulic and seismic indicators from the 2004 Soultz episode, including flow rate, injected volume, hydraulic energy, cumulative seismic moment, radiated energy, and efficiency ratios.

Hydraulic data - Soultz-sous-Forêts 2004 Stimulation

Dataset

This catalogue contains hydraulic data from the 2004 Soultz programme, covering the low‑flow injection test and the stimulation test at GPK4. The datasets include time‑stamped flowrates, injected/produced volumes, temperatures, tank conditions, and wellhead/annulus pressures for GPK1–GPK4 and EPS1.

Microseismic catalogue of the downhole network by B.C. Dyer - Soultz-sous-Forêts 2004 Stimulation

Dataset

This catalogue lists 5861 microseismic events from the 2004 Soultz programme, covering the GPK4 injection and stimulation phases

Microseismic catalogue with seismic moment and moment magnitude from Drif et al.(2024) - Soultz-sous-Forêts 2004 Stimulation

Dataset

This catalogue provides seismic moment and moment‑magnitude data for the 2004 Soultz episode, derived from Dyer’s downhole microseismic catalogue and recalculated following Drif et al. (2024). It includes event time, location, depth, local magnitude, seismic moment, and moment magnitude.

Microseismic downhole network - Soultz-sous-Forêts 2004 and 2005 Stimulations

Dataset

This summary describes the 2004–2005 downhole microseismic network at Soultz, composed of accelerometers and high‑temperature geophones installed in six boreholes.

Velocity model and static corrections used to locate seismic events from the downhole network during 2004 and 2005 stimulations - by B. Dyer

Dataset

This summary describes the velocity model used by B. Dyer to locate microseismic events during the 2004 and 2005 Soultz stimulations. It is the reference model applied for event locations in the 2004 and 2005 downhole catalogues, both available online.

Stakeholders

Creator(s)

École & Observatoire des Sciences de la Terre