In well cementing operations, precision is essential, especially regarding the density of the cement slurry. Batch mixers play a crucial role in this process. A batch mixer consists of two separate mixing tanks, each equipped with mechanical agitators. It can be mounted on a trailer or a skid. This equipment is used to mix cement, water, and additives into a uniform slurry before it is pumped into the wellbore. Unlike continuous mixing systems, batch mixers produce a predetermined volume of slurry with each cycle, ensuring uniformity in composition, density, and quality throughout the mixing process.
At Bentworth Energy, we operate three batch mixers with varying capacities to suit different operational needs: 2×50 bbl, 2×70 bbl, and 2×100 bbl units. This range allows for flexibility in job planning and execution, depending on the volume and complexity of the cementing operation.
The batch mixing process includes thorough agitation and circulation within the mixing tank, followed by density checks and adjustments as needed. This ensures that the slurry meets the required parameters before it is displaced downhole. The controlled environment of batch mixing supports better quality assurance and contributes to the overall success of the cementing job.