Centum

Geothermal drilling fluids are a critical component for the overall success of a geothermal drilling operation. The primary purpose of drilling fluids for geothermal drilling operations is to maintain the stability of the wellbore, provide the necessary pressure to cool the downhole environment and the drill bit, clean the borehole, and fast transport cuttings to the surface. Another vital function of drilling fluids is to prevent formation collapse when temperature and pressure gradients are high. Also, the drilling fluid must be stable at high temperatures and pressure, not change viscosity and other rheological properties during the drilling operation, and must prevent dangerous stuck pipe incidents. A well-engineered drilling fluid must provide sufficient lubrication of the drilling equipment and prevent corrosion and scaling.

Geothermal drilling fluids must be designed to facilitate fast well-cementing. Water-based drilling fluids are primarily used to harness geothermal energy more efficiently and sustainably. The drilling fluids are tailored to meet the challenges of tapping into the earth's heat resources and facilitate smooth heat extraction throughout the operation. Drilling fluids are engineered according to reservoir pressures and temperatures. Because many geothermal reservoirs are set in interlayered volcanic and sedimentary rock and are generally associated with local and regional faults, they are highly porous and cause frequent losses of drilling fluid circulation. Geothermal drilling is more challenging than oilfield drilling due to enormous temperatures and pressure variations. Therefore, drilling fluids intended for geothermal drilling must be carefully formulated and engineered.

A wide range of reinforcement additives are added to the drilling fluid to meet drilling requirements. For example, polymer additives are added to control viscosity, rheological properties, and flow properties. Bentonite additive is added to increase drilling fluid weight and improve lubrication. Various inorganic salts are added to improve scavenging, corrosion inhibition, and prevent scaling. Suitable scavenging additives are used to remove corrosive molecules and ions from the borehole. Drilling fluids also require additives to prevent formation damage, improve borehole stability, and fast cementing. It also requires advanced additives to provide temperature and pressure stability.

At Centum, we custom formulate and produce water-based geothermal drilling fluids. Each geothermal drilling project is unique, requiring advanced engineering to formulate the perfect and most suitable drilling fluid for a specific drilling project. Each drilling fluid we formulate, and produce is all-in-one and ready to use. Our formulated drilling fluids offer exceptional thermal conductivity and lubrication performance, making them indispensable for deep drilling into rock formations. As the drill bit penetrates the formation, these fluids efficiently dissipate heat, reduce friction, and transport cuttings and debris to the surface, ensuring equipment durability and drilling process optimization. We source the required raw materials locally to ensure ultimate quality and performance. Our supplied drilling fluids help drilling engineers meet ESG and sustainability targets, and most importantly, it helps to cut operational costs significantly.

LithoTek

Centum’s advanced LithoTek is formulated and engineered to meet the most challenging geothermal drilling operations. It is an advanced performance, all-in-one, ready-to-use, sustainable water-based drilling fluid that offers ultimate geothermal drilling performance. LithoTek is engineered to meet specific drilling operations. It offers ultimate temperature and pressure stability throughout the drilling operation. Our geothermal drilling fluids are infused with necessary reinforcement additives to provide ultimate performance without compromising sustainability. LithoTek is formulated to meet ESG and sustainability targets, and it is environmentally safe and non-toxic to any living species and microbes. Centum’s LithoTek is the geothermal drilling engineer’s ultimate choice.

Advantage:

An all-in-one, ready-to-use performance water-based geothermal drilling fluid.
Provide a smooth drilling operation.
Efficient cuttings transport to the surface.
Provide advanced cooling of the drill bit and drilling equipment.
Advanced lubrication of the drill bit and drilling equipment.
Effectively control downhole pressure throughout the operation.
Prevent lost circulation throughout the operation.
Control thixotropy and gel strength of the drilling fluid throughout the operation.
Helps to maintain flat fluid viscosity and flow velocity.
Helps to maintain uniform slip velocity.
Provide advanced corrosion protection and scale inhibition.
Provide advanced scavenging performance throughout the operation.
Helps to maintain stable rheological properties throughout the drilling operation.
Readily and ultimately biodegradable.
Does not contaminate water and land.
Non-toxic to any living species and microbes.
Engineered to meet ESG and sustainability targets.
Offers ultimate worker and workplace safety.