One embodiment of the present invention provides methods of treating a portion of a subterranean formation, comprising providing a treatment fluid comprising a derivatized cellulose gelling agent wherein the derivatized cellulose gelling agent is made by reacting cellulose with an electrophilic agent to form a 1,3-cis diol or an alpha carboxylic acid; and, placing the treatment fluid in the portion of the subterranean formation. Another embodiment of the present invention provides methods of derivatizing cellulose, comprising reacting cellulose with an electrophilic agent to form a 1,3-cis diol or an alpha carboxylic acid. Another embodiment of the present invention provides crosslinkable treatment fluids for use in subterranean formations comprising a derivatized cellulose gelling agent wherein the derivatized cellulose gelling agent comprises a cellulose that has been derivatized to comprise an alpha carboxylic acid or a compound comprising a 1,3-cis diol moiety.
本发明的一个实施例提供了处理部分地下地层的方法,包括提供一种处理液,该处理液包含一种衍生化
纤维素胶凝剂,其中衍生化
纤维素胶凝剂是通过
纤维素与亲电剂反应形成1,3-顺式二元醇或α-
羧酸而制成的;以及,将处理液置于部分地下地层中。本发明的另一个实施方案提供了衍生化
纤维素的方法,包括使
纤维素与亲电剂反应形成 1,3-顺式二元醇或α-
羧酸。本发明的另一个实施方案提供了用于地下地层的可交联处理液,该处理液包含一种衍生化
纤维素胶凝剂,其中衍生化
纤维素胶凝剂包含一种
纤维素,该
纤维素已经衍生化,包含一种α-
羧酸或一种包含1,3-顺式二元醇分子的化合物。