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ORCHYD

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Novel Drilling Technology Combining Hydro Jet and Percussion for ROP Improvement...

Novel Drilling Technology Combining Hydro Jet and Percussion for ROP Improvement in deep geothermal drilling Deep geothermal reservoirs are being targeted for renewable energy supply worldwide. However, while international research efforts are stepping up to the challenge of overcoming the low efficiency of heat recovery from depth to th... ver más

30/09/2024

Líder desconocido

4M€

Presupuesto del proyecto: 4M€

Líder del proyecto Líder desconocido

Ver 8 Participantes

Financiación concedida El organismo H2020 notifico la concesión del proyecto el día 2024-09-30

Línea de financiación objetivo El proyecto se financió a través de la siguiente ayuda:

LC-SC3-RES-18-2020: Advanced drilling and well completion techniques for cost reduction in geothermal energy

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8 Participantes

COMARO

DRILLSTAR INDUSTRIES

ECOLE NATIONALE SUPERIEURE D...

Últimas noticias

02-12-2024: AGENCIA-VALENCIANA-D... En las últimas 48 horas el Organismo AGENCIA VALENCIANA D... ha otorgado 1 concesiones

02-12-2024: CDTI En las últimas 48 horas el Organismo CDTI ha otorgado 4 concesiones

01-12-2024: REDES En las últimas 48 horas el Organismo REDES ha otorgado 1337 concesiones

Duración del proyecto: 45 meses Fecha Inicio: 2020-12-09
Fecha Fin: 2024-09-30

Líder del proyecto Líder desconocido

Presupuesto del proyecto 4M€

Descripción del proyecto Deep geothermal reservoirs are being targeted for renewable energy supply worldwide. However, while international research efforts are stepping up to the challenge of overcoming the low efficiency of heat recovery from depth to the surface, the showstopper remains the slow drilling speed provided by the conventional rotary system in deep hard rocks (> 4 km). Deep drilling requires long drilling times, often resulting in unacceptably high initial investment. ORCHYD’s new drilling technology will increase hard rock drilling rates from the current range of 1-2 m/h up to 4-10 m/h. The novelty is to combine two, previously separate, mature technologies: High Pressure Water Jetting (HPWJ) and Percussive Drilling, in a system customised for hard rock geothermal reservoirs to depths of 6 km. Planned experiments and solid-fluid coupled models designed to reveal the critical fragmentation mechanisms under in-situ stress conditions will be used to design, build and validate, with pilot drilling tests, the new system for field operations. The hybrid development requires optimisation of: i) release of high stress concentrations on the hole bottom while drilling, ii) slotting circumferential relieving grooves on the hole bottom using HPWJ (up to 200 MPa), iii) in-hole production of the HPWJ using a down-hole pressure intensifier activated by the drilling vibrations, hence damping out harmful drilling system vibrations and iv) an advanced down-hole percussive rotating mud hammer for drilling to derive the maximum benefit from the modified bottom-hole stress regime. ORCHYD will decrease the drilling cost by 65% in hard rock sections. This will result in 30% reduction of the total cost of deep geothermal well construction. In addition, the new coupled Intensifier-HPWJ-Hammer system has the potential to drill and steer multi-lateral wells which greatly increase thermal connectivity, are cheaper, use far less water and are more controllable than conventional fracking stimulations.

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