High temperature corrosion inhibitor for gas and oil wells
    9.
    发明授权
    High temperature corrosion inhibitor for gas and oil wells 失效
    气井和油井高温腐蚀抑制剂

    公开(公告)号:US3959158A

    公开(公告)日:1976-05-25

    申请号:US502462

    申请日:1974-09-03

    CPC分类号: C23F11/10 C09K8/54

    摘要: Compositions and methods for the protection of steel and metal well equipment used in high temperature oil and gas wells above 250.degree.F and more particularly in the range of about 300.degree.-550.degree.F for bottom hole temperatures. The basic composition is a trimer acid salt of a primary mono-amine and particularly useful is a primary amine such as a primary tallow amine having C.sub.9 -C.sub.24 carbon length. Other ingredients include a sulfonate, particularly an alkaryl sulfonate, as well as a mixture of dispersing agents or solvents specially utilizing a combination of a lower alkanol and a highly aromatic solvent as make up. Optionally there may be included a minor amount of a water-in-oil demulsifier. The reaction of the trimer acid with the mono-amine affords less opportunity for any further deleterious reaction or polymerization than as previous formulations utilizing polyamines with dimer acids and the like.

    摘要翻译: 用于保护高于250°F的高温油气井的钢铁和金属井设备的组合物和方法,特别是在大约300〜-550°F的井底温度范围内。 碱性组合物是主要单胺的三聚体酸盐,特别有用的是伯胺如具有C 9 -C 24碳长度的主要牛脂胺。 其他成分包括磺酸盐,特别是烷芳基磺酸盐,以及特别利用低级链烷醇和高芳族溶剂的组合的分散剂或溶剂的混合物作为化妆品。 任选地,可以包含少量的油包水破乳剂。 与使用具有二聚酸等的多胺的先前制剂相比,三聚酸与单胺的反应比任何进一步有害的反应或聚合提供了更少的机会。

    Method of gelling hydrocarbons and fracturing subterranean formations
    10.
    发明授权
    Method of gelling hydrocarbons and fracturing subterranean formations 失效
    胶化烃和压裂地下地层的方法

    公开(公告)号:US5514645A

    公开(公告)日:1996-05-07

    申请号:US75829

    申请日:1993-06-11

    IPC分类号: C09K8/64 E21B43/267 E21B43/26

    摘要: The present invention provides a method of treating a subterranean formation by rapidly viscosifying a normally liquid hydrocarbon. The method is accomplished by admixing (i) an alkyl orthophosphate acid ester and (ii) an alkali metal hydroxide present in an amount sufficient to at least partially neutralize said ester and (iii) a reaction product resulting from the reaction of a source of aluminum or ferric ions with a C.sub.8 -C.sub.18 surface active amine solubilized in the presence of an organic solvent such as a C.sub.2 -C.sub.4 monohydric alcohol with the normally liquid hydrocarbon. The mixture rapidly viscosifies to a level sufficient to transport proppant and then can be introduced into a subterranean formation to treat the formation in a desired manner.

    摘要翻译: 本发明提供了一种通过快速增稠正常液态烃来处理地层的方法。 该方法是通过混合(i)正磷酸烷基酯和(ii)以足以至少部分中和所述酯的量存在的碱金属氢氧化物和(iii)由铝源产生的反应产物 或在有机溶剂例如C 2 -C 4一元醇与正常液体烃存在下溶解的C8-C18表面活性胺的三价铁离子。 混合物快速粘稠至足以运输支撑剂的水平,然后可以引入地下地层以期望的方式处理地层。