US 12,241,015 B2
Open-cell, natural materials as lost-circulation material
Jay Deville, Houston, TX (US)
Assigned to Halliburton Energy Services, Inc., Houston, TX (US)
Filed by Halliburton Energy Services, Inc., Houston, TX (US)
Filed on Apr. 12, 2022, as Appl. No. 17/658,858.
Prior Publication US 2023/0323182 A1, Oct. 12, 2023
Int. Cl. C09K 8/035 (2006.01); C09K 8/40 (2006.01); C09K 8/42 (2006.01); C09K 8/60 (2006.01)
CPC C09K 8/035 (2013.01) [C09K 8/40 (2013.01); C09K 8/42 (2013.01); C09K 8/60 (2013.01)] 19 Claims
 
1. A treatment fluid comprising:
a base fluid; and
a lost-circulation package consisting of:
(i) a first lost-circulation material, wherein the first lost-circulation material is a plurality of pieces, wherein each one of the plurality of pieces consist of an open-cell framework made from a natural or biodegradable material, wherein the open-cell framework comprises multiple interconnected pores that allow a fluid to flow through the interconnected pores, and wherein each one of the plurality of pieces have a geometric shape selected from the group consisting of a sphere, a pyramid, a cube, a cylinder, a tetrahedron, a rectangular prism, a triangular prism, and any combination thereof; and
(ii) a second lost-circulation material, wherein the second lost-circulation material is two or more ingredients that chemically react to form a cementitious substance in the presence of water, or is a combination of two or more ingredients that chemically react to form a cementitious substance in the presence of water and insoluble particles.