Modeling the suspendability of fibers in a treatment fluid using equations

A method of predictive modeling of a treatment fluid comprising:

• (A) determining the value of one or more properties of a base fluid;
• (B) determining the value of one or more properties of insoluble particulates;
• (C) providing a proposed suspending agent;
• wherein the suspending agent consists of a plurality of fibers;
• (D) performing a first calculation of the suspendability of the proposed suspending agent as determined by a yield gravity function equation based on the value of the one or more properties of the base fluid and the insoluble particulates, and the value of at least one property of the proposed suspending agent, wherein properties of the proposed suspending agent include:
• the concentration of the fibers as weight per volume of the base fluid;
• the fiber length or the average fiber length based on a length distribution;
• the diameter of the fibers or the average fiber diameter based on a diameter distribution;
• the density of the fibers or the average density of the fibers based on a density distribution;
• the number of fibers per unit volume of the base fluid;
• and the stiffness of the fibers;
• (E) evaluating if the result from the first calculation indicates a stable treatment fluid comprising the base fluid, the insoluble particulates, and the proposed suspending agent, or if the result does not indicate a stable treatment fluid, then:
• (i) modifying the value of at least one of the properties of the proposed suspending agent, the base fluid, the insoluble particulate, or combinations thereof;
• and
• (ii) performing a second calculation of the suspendability of the proposed suspending agent as determined by the yield gravity function equation based on the modified value, wherein the same or different property values are continued to be modified and the calculation is continued to be performed until the result indicates a stable treatment fluid;
• and
• (F) introducing the stable treatment fluid into a wellbore.

A method of predictive modeling of a treatment fluid comprising:

• (A) determining the value of one or more properties of a base fluid;
• (B) determining the value of one or more properties of insoluble particulates;
• (C) providing a proposed suspending agent;
• (D) performing a first calculation of the suspendability of the proposed suspending agent as determined by a yield gravity function equation based on the value of the one or more properties of the base fluid and the insoluble particulates, and the value of at least one property of the proposed suspending agent;
• (E) evaluating if the result from the first calculation indicates a stable treatment fluid comprising the base fluid, the insoluble particulates, and the proposed suspending agent, or if the result does not indicate a stable treatment fluid, then:
• (i) modifying the value of at least one of the properties of the proposed suspending agent, the base fluid, the insoluble particulate, or combinations thereof;
• and
• (ii) performing a second calculation of the suspendability of the proposed suspending agent as determined by the yield gravity function equation based on the modified value, wherein the same or different property values are continued to be modified and the calculation is continued to be performed until the result indicates a stable treatment fluid;
• and
• (F) introducing the stable treatment fluid into a wellbore, wherein the treatment fluid is a drilling fluid or a fracturing fluid, and wherein the insoluble particulates are drill cuttings, a lost-circulation material, proppant, or combinations thereof.