Downhole tools comprising a body, wherein at least a portion of the body is degradable when exposed to a wellbore environment; and at least one aqueous-degradable sealing element comprising an aqueous-degradable elastomer comprising in the range of 0.05 to 1 parts by weight per hundred parts of the elastomer (phr) carbodiimide, wherein at least a portion of the aqueous-degradable sealing element hydrolytically degrades when exposed to an aqueous fluid.
井下工具,包括本体,其中本体的至少一部分在暴露于井筒环境时是可降解的;以及至少一个可在
水中降解的密封元件,该密封元件由可在
水中降解的弹性体组成,该弹性体每百分之一(phr)的重量包含0.05至1份碳化二
亚胺,其中可在
水中降解的密封元件的至少一部分在暴露于
水性流体时会
水解降解。