申请人:Saudi Arabian Oil Company
公开号:US11203708B2
公开(公告)日:2021-12-21
The present application provides a gas-generating aqueous fluid containing a gas-generating compound like an azo compound, and an organic amine like a primary, secondary or tertiary amine, a hydrazine, a hydrazide, or a semicarbazide. The aqueous fluid may also a viscosifier, and a foaming surfactant. The present application also provides a method of using the gas-generating composition to modulate density of a wellbore fluid for use in downhole applications. The method optionally includes adding an oxidizer to the wellbore fluid.
本申请提供了一种可产生气体的水性流体,其中含有偶氮化合物等可产生气体的化合物,以及伯胺、仲胺或叔胺、肼、肼酰胺或半肼等有机胺。水性流体还可以是增粘剂和发泡表面活性剂。本申请还提供了一种使用气体生成组合物调节井下应用中井筒流体密度的方法。该方法可选地包括向井筒流体中添加氧化剂。