Lignin-based drilling fluids and related methods
AssigneeLignoSol IP Limited
InventorsDesmond Alexander SOMERVILLE, Patrick Dieter WAIBEL
Life of this patent
Estimating the term…
Abstract
Drilling fluids or muds are provided for the drilling of a borehole into an earth formation. The drilling fluid or mud may be used for drilling oil and/or natural gas wells in subterranean reservoirs. In some embodiments, the fluid is formed from an additive comprising lignin and at least one biosurfactant produced by at least one strain of bacteria capable of biosurfactant production.
Claims18
A drilling fluid or mud suitable for drilling a borehole, well or the like in to an earth formation, the drilling fluid or mud comprising lignin and at least one isolated strain of bacteria capable of producing at least one biosurfactant, and/or at least one biosurfactant produced from at least one bacteria capable of producing a biosurfactant, the drilling fluid or mud having a solids content of above about 55%.
Dependencies are inferred from the claim text.