Detailed Instructions: Translate the given Spanish text to English
See one example below:
Problem: A method for converting a series of m-bit information words to a modulated signal is described.
Solution: Se describe un método para convertir una serie de palabras de informacion de bits m a una señal modulada.
Explanation: The translation is fluent, formal, and accurate

Problem: The present invention permits drilling fluids to be essentially solids free due to to the use of the alkali metal formate.
Solution:
La presente invencion permite que los fluidos de perforacion esten esencialmente libres de solidos, debido al uso del formato de metal alcali.