Geothermal: ECW Andijk 2 doublets delivery

Geothermal doublets ADK-GT-01 & ADK-GT-02; ADK-GT-03 & ADK-GT-04

Start execution: 2017
End execution: 2018

Result: Temperature and quantity of water from better than expected

Depth (AH): 2358m; 2253m; 2284m; 2168m
Depth (TVD): 2074m; 2008m; 2065m; 1958m

Project Summary

Client:Energie Combinatie Wieringemeer (ECW)
Doublet:Andijk
Wells:ADK-GT-01 & ADK-GT-02; ADK-GT-03 & ADK-GT-04
Start Execution:2017
End Execution:2018
Target:Water flowrates for heating of 9 greenhouses
Result:Water temperature and quantity beyond expectations
Power (thermal):28 MWTh
Depths (AH):ADK-GT-01: 2358m; ADK-GT-02: 2253m; ADK-GT-03: 2284m; ADK-GT-04: 2168m
Depths (TVD):ADK-GT-01: 2074m; ADK-GT-02: 2008m; ADK-GT-03: 2065m; ADK-GT-04: 1958m
Role of WEP:The geothermal doublets are engineered by WEP and will be drilled under the supervision of WEP.
Challenges:n/a

Project Description

ECW (Energie Combinatie Wieringemeer) decided in 2017 to develop two geothermal doublets for the heating of 9 greenhouses. Both geothermal doublets are engineered by WEP and will be drilled under the supervision of WEP.

In October 2017 all preparations were started for the spud on November 18th, 2017. The first well (ADK-GT-01) of the first geothermal doublet has a depth of 2074m. By the end of December 2017, the well was ready for testing. The first test results were beyond expectations in terms of quantity and temperature of the water.

The spud of the second well (ADK-GT-02) of the first geothermal doublet was on January 2nd, 2018. This well was completed at the beginning of February 2018.

After completion of the second well the rig was skidded immediately to the third well (ADK-GT-03). This well was completed at the beginning of March 2018.

The last well (ADK-GT-04) was completed at the end of March 2018.

The project was a success and a proof of efficiency improvement during drilling multiple wells in sequence.