发明名称 Shale hydration inhibitor complex for aqueous wellbore fluids
摘要 <p>Wellbore fluids containing stabilizing complexes capable of controlling hydration in swellable formations such as shale- and clay-containing formations and methods of using same are provided. In one aspect, embodiments disclosed herein relate to wellbore fluids that include an aqueous base fluid; and a stabilizing complex, wherein the stabilizing complex is prepared from the reaction of an alkali metal aluminate salt and one or more selected from a group that includes phosphoric acid, a phosphate salt, and an amine -phosphoric acid mixture. In another aspect the stabilizing complex may be formed from the reaction of a metal oxide and one or more selected from a group that includes phosphoric acid, phosphate salts, and amine-phosphoric acid mixtures.</p>
申请公布号 GB201511219(D0) 申请公布日期 2015.08.12
申请号 GB20150011219 申请日期 2013.12.31
申请人 M-I DRILLING FLUIDS UK LIMITED 发明人
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