Rock evaluation and recommendation for radial jetting experiments in the framework of the planned Koekoekspolder GT-03 well

report
The main goal of the HIPE project (HIgh PErformance geothermal wells) is to
demonstrate that radial jetting has the potential to increase the production of
geothermal reservoirs in the Netherlands, at reduced costs. This will be done by
enhancing the flow of a number of geothermal wells with radial jetting technology.
One of the target reservoirs in the project is the Rotliegend in the Koekoekspolder
(Figure 1). Here, a geothermal doublet was drilled in 2011. It consists of the wells
KKP-GT-01 and KKP-GT-02 (Figure 2). The reservoir quality was less than
expected. An additional well is planned to be added to the existing doublet.
Reservoir stimulation by radial jetting is considered an option to improve the
reservoir productivity. For an optimal planning of the radial jetting, a number of tests
is planned. For these tests, rock samples are required. This report describes the
reservoir rock that is present at the Koekoekspolder, and advises which outcrop
analogues can be used for the jetting tests.
Topics
TNO Identifier
986214
Publisher
TNO
Collation
10 p.
Place of publication
Utrecht