Method of Removing Non-Aqueous Drilling Mud with Banana Containing Fluid
AssigneeBaker Hughes Oilfield Operations LLC
InventorsAngela Anh Doan, Violeta Ramos-Edwards, Andrew Christopher Holley, Hanh D. Nguyen
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Abstract
Non-aqueous drilling fluids may be removed from a wellbore or tubing nor casing within the wellbore by introducing into the well a biodegradable aqueous fluid comprising banana.
Claims20
A method of cleaning a wellbore or tubing or casing in a wellbore containing residues and/or deposits of an oil or synthetic based drilling mud, the method comprising introducing into the wellbore, tubing or casing an aqueous cleaning fluid containing banana and removing from the wellbore, tubing or casing the cleaning fluid having at least a portion of the residues or deposits of the oil or synthetic based drilling mud entrained therein.
A method of removing at least a portion of oil-based or synthetic based mud or deposits or residues thereof from a wellbore comprising:
- (a) introducing into the wellbore, after the wellbore has been drilled with the oil-based or synthetic based mud, an aqueous fluid comprising banana;
- and
- (b) removing the oil-based or synthetic-based mud, deposits or residues thereof from the wellbore with the banana.
A method of removing a filter cake of a drilling mud, deposits or residues thereof from a wellbore comprising comprises introducing a biodegradable aqueous fluid into the wellbore, the fluid comprising water and banana.
Dependencies are inferred from the claim text.