COMPOSITION AND METHOD FOR REMOVING INSOLUBLE SCALE DEPOSITS FROM SURFACES,申请号CA19740212130-传众专利搜索

COMPOSITION AND METHOD FOR REMOVING INSOLUBLE SCALE DEPOSITS FROM SURFACES

申请公布号：CA1032862(A)

申请号：CA19740212130

申请日期：1974.10.23

申请公布日期：1978.06.13

申请人：

BORG-WARNER CORPORATION

发明人：NOWAK, JAMES A.;BURROUGHS, JAMES E.

分类号：C02F5/08;C09K8/528;C11D3/02;C11D3/33;C23G1/14;E21B37/06

主分类号：C02F5/08

摘要：<p>Compositions comprising aqueous solutions of chelating compounds and synergistic inorganic fluorides are effective agents for removing insoluble scale deposits such as gypsum, anhydrite and precipitated limestone or lime scale from the surfaces contained within oil wells and associated equipment and from the interior surfaces of boilers, heat exchangers and the like.</p>