Downhole tools comprising aqueous-degradable sealing elements

A method comprising:

• installing a downhole tool in a wellbore, wherein the downhole tool comprises a body and at least one aqueous-degradable sealing element composed of an aqueous-degradable elastomer, and
• wherein at least a portion of the body is degradable when exposed to a wellbore environment and the aqueous-degradable sealing element degrades when exposed to an aqueous fluid in the wellbore environment;
• fluidly sealing two sections of the wellbore with the aqueous-degradable sealing element of the downhole tool, the aqueous-degradable sealing element capable of holding a differential pressure;
• performing a downhole operation;
• and
• degrading at least a portion of the aqueous-degradable sealing element such that the aqueous-degradable sealing element no longer is capable of holding the differential pressure,
• wherein the aqueous-degradable elastomer is selected from the group consisting of polyurethane rubber;
• a polyester-based polyurethane rubber;
• a blend of chlorobutadiene rubber, reactive clay, and crosslinked sodium polyacrylate;
• a cellulose-based rubber;
• an acrylate-based polymer;
• a polyethylene glycol-based hydrogel;
• a silicone-based hydrogel;
• a polyacrylamide-based hydrogel;
• a polymacon-based hydrogel;
• a hyaluronic acid rubber;
• copolymers thereof;
• terpolymers thereof;
• and any combination thereof, and
• wherein the aqueous-degradable sealing element releases an accelerant during degradation, and wherein the accelerant accelerates the degradation of the aqueous-degradable sealing element.

A system comprising:

• a wellbore;
• and
• a downhole tool capable of being disposed in the wellbore to fluidly seal two sections thereof, the downhole tool comprising a body and at least one aqueous-degradable sealing element composed of an aqueous-degradable elastomer and the aqueous-degradable sealing element is capable of holding a differential pressure,
• wherein at least a portion of the body is degradable when exposed to the wellbore environment and the aqueous-degradable sealing element degrades in the wellbore environment,
• wherein the aqueous-degradable elastomer is selected from the group consisting of polyurethane rubber;
• a polyester-based polyurethane rubber;
• a blend of chlorobutadiene rubber, reactive clay, and crosslinked sodium polyacrylate;
• a cellulose-based rubber;
• an acrylate-based polymer;
• a polyethylene glycol-based hydrogel;
• a silicone-based hydrogel;
• a polyacrylamide-based hydrogel;
• a polymacon-based hydrogel;
• a hyaluronic acid rubber;
• copolymers thereof;
• terpolymers thereof;
• and any combination thereof, and
• wherein the aqueous-degradable sealing element releases an accelerant during degradation, and wherein the accelerant accelerates the degradation of the portion of the body that is degradeable.