Back Ground
SPDS was established in 2019 in Perth, Western Australia, purely because in the industry, Western Australia is known worldwide as the home of percussion drillers, designers/engineers and product manufacturing know-how.
SPDS is a subsidiary of Strada Design Limited. A business based in Jersey UK and holder of patents, IP and investor funding.
The System
Strada's patented Fluid Hammer Operating System (FHOS) combines the benefits of two proven technologies and their methodologies into one system. It takes advantage of and safety aspects of drilling with mud fluids which are well understood in the mud rotary system. It takes the high penetration rates in hard formations found in hammer percussion drilling systems.
The combination is largely addressed by utilising two fluids that are separated until they reach the cutting face of the borehole. Clean, fresh or saltwater is pumped down to drive the Strada’s fluid hammer, and separate drilling muds are pumped down to lift the cuttings, stabilise the hole and to control the pressures of the formation. This is achieved by the utilisation of a dual wall drill string and a hollow hammer to create two separate pipes delivering the clean water to power the hammer and drilling muds to the cutting face. The two fluids then mix at the cutting face and combine to carry the cuttings to the surface.
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Water Hammers