Two-component lost circulation pill for seepage to moderate loss control
AssigneeSaudi Arabian Oil Company
InventorsJothibasu Ramasamy, Md Amanullah
Life of this patent
Estimating the term…
Abstract
A two-component lost circulation material (LCM) is provided having a polymer component and a sodium hydroxide component. The polymer component may include a carrier fluid such as water, a particulate material such as fly ash, a fibrous material such as polypropylene fibers, and an acrylic polymer. The sodium hydroxide component may include water and sodium hydroxide. The sodium hydroxide component is introduced to contact the polymer component to form the two-component LCM. Methods of lost circulation control and manufacture of a two-component LCM are also provided.
Claims22
A lost circulation material (LCM) composition, comprising:
- a first component comprising:
- a carrier fluid;
- fly ash;
- polypropylene fibers;
- and
- an acrylic polymer;
- and
- a second component comprising sodium hydroxide.
A method of forming a lost control material (LCM) composition, comprising:
- adding a carrier fluid to form a first mixture;
- adding a particulate material to the first mixture, the particulate material comprising fly ash;
- adding a fibrous material to the first mixture, the fibrous material comprising polypropylene fibers.
- adding an acrylic polymer solution to the first mixture;
- adding water to form a second mixture;
- and
- adding sodium hydroxide to the second mixture, wherein the LCM composition is formed by contacting the first mixture with the second mixture.
Dependencies are inferred from the claim text.