Cementing a wellbore using a direct ink printing
AssigneesWilliam Marsh Rice University, Saudi Arabian Oil Company
InventorsHasmukh A. Patel, Ali Zein Khater, Peter Boul, Pulickel M. Ajayan, Muhammad M. Rahman
Life of this patent
Estimating the term…
Abstract
Methods and systems for cementing a wellbore are described. The methods include forming a slurry including a cement-based matrix, water, a polymer-based additive, and a rheology modifying agent; mixing the slurry to form a printing ink; introducing the slurry and a printer into a wellbore; and forming a cement-based composite structure in the wellbore by printing a plurality of layers using the printing ink.
Claims19
A method for cementing a wellbore, the method comprising:
- forming a slurry comprising a cement-based matrix, water, a polymer-based additive, and a rheology modifying agent;
- mixing the slurry to form a printing ink;
- introducing the slurry and a printer into a wellbore;
- and
- forming a cement-based composite structure in the wellbore by printing a plurality of layers using the printing ink;
- wherein introducing the slurry and the printer into the wellbore comprises running the printer downhole in the wellbore on a wireline.
A system for cementing a wellbore, the system comprising:
- a slurry pumped into a wellbore comprising a cement-based matrix, water, a polymer-based additive, and a rheology modifying agent and configured to form a printing ink;
- a printer deployed into the wellbore as part of a wireline assembly, the printer comprising a printing head with the printing ink and configured to print 3D cement-based composite structures by depositing a plurality of layers of the printing ink when pressurized;
- and
- a supply tubing attached to the printer and operable to pass the pumped slurry to the printer and begin the cementing of the wellbore by printing the 3D cement-based composite structures.
Dependencies are inferred from the claim text.