SCAN 2D seismic data

Background

Since 2018 TNO and EBN jointly carry out the multiyear research program Seismische Campagne Aardwarmte Nederland, in short SCAN. The results of the SCAN project allow a better estimation of where in the Dutch subsurface there is potential for geothermal heat production. The main projects of the SCAN program concern seismic data acquisition in the field with modern techniques and the re-processing of existing seismic data of the Dutch subsurface. In the acquisition and reprocessing of data  an emphasis is placed on areas with a low data density.  By combining and further study of the results obtained from these projects, the knowledge on our subsurface is further increased. More information on the SCAN program can be obtained via the website scanaardwarmte.nl, whereas via the following NLOG-page all research data and final results of the different studies within SCAN are published.

Following the acquisition of new seismic data in the field, the resulting field data is processed into a seismic section. With regards to reprocessing of existing seismic data, old field data is checked and processed into a new seismic section using modern techniques. For lines for which the process is completed, both the final processed seismic section and the availability of the field data are published below. The following document gives an overview of the data that becomes available from all SCAN-projects. These seismic sections can be viewed in free viewers such as Seisee or SeismiGraphix. An overview of the ongoing and planned activities within the project can be found on scanaardwarmte.nl.

Newly Acquired Seismic Data

Locations

For the lines below acquired data is available from SCAN or from related activities (such as those for the Program on Ultradeep Geothermal Energy). The locations of the lines can be seen via the following webpage.

Data

The final results of the newly acquired seismic data are the processed seismic sections with velocities and processing report. These can be downloaded from the table below. The field data for all lines listed in the table below can be requested by contacting the Servicedesk, unless it has been indicated that the field data is not yet available. TNO charges a service fee for the handling of the request and final delivery of the field data is via a file transfer service.

Number Line Toponym

Final results:
-Seismic sections
-Velocities
-Processing report

Remarks
1 L2EBN2019ASCAN001 Testlijn Utrecht – Almere Seismic data &
Processing report
See Line 11 for a new version of Line 1
2 L2EBN2019ASCAN002 Roer Valley Graben-Nijmegen-Bronckhorst Seismic data,
Processing report
Additional, as test next to regular approach, PreSDM-processing: data, report.
3 L2EBN2019ASCAN003 Buurmalsen - Renkum Seismic data
Processing report
 
4 L2EBN2019ASCAN004 Buurmalsen – Amersfoort - Zeewolde Seismic data,
Processing report
 
5 L2EBN2019ASCAN005 Gelderse Vallei Seismic data,
Processing report
 
6 L2EBN2020BURKM006 Heumen – Lingewaard Seismic data,
Processing report
 
7 L2EBN2020BURKM007 Overbetuwe – Berg en Dal Seismic data,
Processing report
 
8 L2EBN2020BURKM008 Neder-Betuwe – Renkum Seismic data,
Processing report
 
9 L2EBN2020BURKM009 Arnhem – Wijchen Seismic data,
Processing report
 
10 L2EBN2020BURKM010 Wageningen – Lingewaard Seismic data,
Processing report
 
11 L2EBN2020ASCAN011 Everdingen – Utrecht Seismic data Data set is combined with Line 1
12 L2EBN2020ASCAN012 Eerbeek – Wesepe – Dalfsen Seismic data  
13 L2EBN2020ASCAN013 Joppe – Haarle Seismic data  
14 L2EBN2020ASCAN014 Epe – Wesepe – Haarle Seismic data  
15 L2EBN2020ASCAN015 Apeldoorn – Joppe Seismic data  
16 L2EBN2020ASCAN016 Nijmegen – Oploo – Grashoek Seismic data  
17 L2EBN2020CUOBR017 Broekzijde – Keldonk – Oploo Seismic data,
Processing report
There is one final data set for the combined Line 17/18
18 L2EBN2020ASCAN018 Hilvarenbeek – Broekzijde
19 L2EBN2021ASCAN019 Reusel – Oploo – Hülm Seismic data  
20 L2EBN2021ASCAN020 Cuijk – Venlo Seismic data Data set is combined with Line 5.
21 L2EBN2020DUGOU021 Maarssen – Driebergen Seismic data,
Processing report
 
22 L2EBN2020DUGOU022 Utrecht – Woudenberg Seismic data,
Processing report
 
23 L2EBN2020ASCAN023 Jutphaas – Utrecht Seismic data  
24 L2EBN2020ASCAN024 Utrecht-West – Amsterdam-Oost Seismic data
(preliminary results)
 
25 L2EBN2020ASCAN025 Boskoop – Waverveen – Almere Seismic data
(preliminary results)
 
26 L2EBN2020ASCAN026 Boskoop – Schiphol – Haarlem Not yet available  
27 L2EBN2020ASCAN027 Haarlem – Oost Seismic data  
28 L2EBN2020ASCAN028 Utrecht – Amersfoort Seismic data  
29 L2EBN2020ASCAN029 Heeze – Californië Seismic data  
30 L2EBN2021ASCAN030 Nederweert – Roermond Seismic data  
31 L2EBN2021ASCAN031 Terziet – Raath – Californië Not yet available  
32 L2EBN2021ASCAN032 Rijsbergen – Steelhoven Seismic data  
33 L2EBN2021ASCAN033 Steelhoven – Waalwijk3D Seismic data  
34 L2EBN2021ASCAN034 Woensdrecht – Steenbergen – Willemstad Not yet available  
35 L2EBN2021ASCAN035 Almere – Lelystad – Zeewolde – Nagele Not yet available  
36 L2EBN2021BMRA036   Not yet available  
37 L2EBN2021BMRA037   Not yet available  
42 L2EBN2021ASCAN042   Not yet available  

Acquisition Parameters

As part of the acquisition of new seismic data of the subsurface for SCAN, a test line of approx. 29 km between Utrecht and Almere has been recorded in 2019. With the Test Line is determined how to efficiently manage and perform the new acquisition. The test line partially overlaps with the NAM-DEEP line, this one of the few existing seismic lines with the specific purpose to acquire data of the deep subsurface. The aim of the SCAN test line was to gather data of at least a comparable quality. This goal has been achieved: the test line is of very good quality and the deep layers are visible.

In total, 1355 shots were registered with 5817 channels per shot and an offset ranging from 10 meters to 10’s of kilometers. Data was recorded by vertical single geophones spaced 5 meters apart with a 2 millisecond sample interval and a record length of 20 seconds (10001 samples per trace).

With the applied long offset 2D seismics it is expected that it is possible to look deeper in the subsurface compared to industry standard techniques.


Acquisition parameters Test Line

 
Seismic Design Split spread
Acquisition type All geophones laid out before shooting commenced
Maximum offset Up to 29 km 
Receiver station interval 5 m 
Receiver type Innoseis Tremornet 5 Hz geophone
Source type  Pulse
Source interval 20 m
Source depth 18 m
Sample rate 2 ms
Record length 20 seconds

On the basis of the test line results the acquisition parameters of the subsequent lines were selected:
 

Acquisitieparameters lijnen anders dan de Testlijn

 
Seismic Design Split spread
Acquisition type Roll-Along
Maximum offset 6997,5 m
Receiver station interval 5 m 
Receiver type (land) Geospace GCL 5 Hz Geophone 
Receiver type (shallow water crossings) Geospace Marshphones 5 Hz
Source type Pulse
Source interval 60 m
Source depth 20 m
Sample rate 2 ms
Record length 10 seconds

 

Reprocessed Seismic Data

An up to date overview, maps and deliverables of the ongoing and completed SCAN work packages which focus on reprocessing of seismic data can be found via the SCAN programme webpage. The currently available reprocessed seismic data can be downloaded using the links in the section below.

NAM-DEEP

Work package GTO-19-C011
The NAM-DEEP lines are 2 long regional lines from the surveys L2NAM1982F and L2NAM1984N that acquired in a line from the NE to SE of the Netherlands and with a total length of 268 km. The original data has been reprocessed and the resulting seismic sections are available for download in the table below.

SCAN Area C

Work package GTO-18-C004
24 Lines located in SCAN Area C have been reprocessed. The lines are part of five Mobil surveys from the 1980’s and cover a total length of 315 kilometers. The original data has been reprocessed and the resulting seismic sections are available for download in the table below.

Work package GTO-19-C033-01
This package consists of 44 relatively short lines of 3 to 19 kilometers reprocessed data from seismic surveys from the area between Haarlem and Nijmegen with a total length of 412 kilometers. These lines originate from six seismic surveys from the 1980s conducted by Mobil, and from a 1974 NAM survey. The original data has been reprocessed and the resulting seismic sections are available for download in the table below.

SCAN Area A+C

Work package GTO-19-C033-02
This work package consists of 51 lines from seismic surveys acquired in the provinces of Utrecht, Flevoland and Gelderland. It comprises a total of approximately 774 kilometers of reprocessed data averaging at 15 kilometers per line. The lines are from seismic surveys conducted by Petroland in the 1980s. The original field data has been reprocessed and the resulting seismic sections are available below.

Data

Apart from the seismic data available for download in the table below. The field data has been checked and reconstructed during reprocessing and can be requested by contacting the Servicedesk.

Project Work package Original survey

Final results:
-Seismic sections
-Velocities
-Processing report

NAM DEEP GTO-19-C011 L2NAM1982F L2NAM1984N Seismic data & Processing report
SCAN Area C GTO-18-C004 L2MOB1984A L2MOB1985A L2MOB1985C L2MOB1987A L2MOB1988A Seismic data & Processing report
SCAN Area C GTO-19-C033-01 L2MOB1984A L2MOB1985A L2MOB1985C
L2MOB1986A  L2MOB1987A  L2MOB1988A 
L2NAM1974F

Seismic data & Processing report
SCAN Area A+C GTO-19-C033-02 L2PET1980D
L2PET1982B
L2PET1983D
L2PET1983E
L2PET1985G
L2PET1986A
L2PET1987A

Seismic data & Processing report