| 发明名称 |
AQUEOUS SOLUTION AND METHOD FOR USE THEREOF |
| 摘要 |
Oilfield treatment compositions contain water, hydrochloric acid at a concentration between 15 wt % and 45.7 wt % and a first and second fixing agent. The first fixing agent comprises urea, a urea derivative or both. The second fixing agent may be a mixture or amines and alcohols. These compositions provide corrosion inhibition when exposed to steel. The compositions may also contain an inhibitor aid. |
| 申请公布号 |
US2017015891(A1) |
申请公布日期 |
2017.01.19 |
| 申请号 |
US201615278331 |
申请日期 |
2016.09.28 |
| 申请人 |
SCHLUMBERGER TECHNOLOGY CORPORATION |
发明人 |
Jiang Li;Lecerf Bruno;Jones Timothy G. J.;Ziauddin Murtaza;Hutchins Richard;He Jian;Li Jack;Kraemer Chad |
| 分类号 |
C09K8/54;E21B43/26;E21B41/02 |
主分类号 |
C09K8/54 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A composition, comprising:
(i) water at a concentration lower than or equal to 20 wt %; (ii) hydrochloric acid at a concentration between 15 wt % and 45.7 wt %; (iii) a first fixing agent comprising urea, a urea derivative or both; and (iv) a second fixing agent, wherein the first fixing agent:hydrochloric acid molar ratio is between 0.4 and 3.0 inclusive. |
| 地址 |
Sugar Land TX US |
