公开(公告)号：US20210317359A1

公开(公告)日：2021-10-14

申请号：US17271396

申请日：2019-08-21

申请人： Kao Corporation ,  CHEMEOR, INC.

发明人： Fei MENG ,  Mitsuru UNO ,  Yongchun TANG ,  Lucino GONZÁLEZ RAMEÑO

IPC分类号： C09K8/54 ,  C09K8/60 ,  C09K8/74 ,  C23F11/04 ,  C23F11/12 ,  C23F11/14

摘要： A corrosion inhibitor composition, containing (a) a cinnamaldehyde compound, (b) an alkoxylated fatty amine, and (c) an imidazoline compound, and optionally (d) a surfactant, and (e) a solvent. A method of inhibiting corrosion of metal in contact with an acidic medium in an oil or gas field environment by introducing the corrosion inhibitor composition into the acidic medium, such as during acid stimulation operations.

公开(公告)号：US20210253938A1

公开(公告)日：2021-08-19

申请号：US17271116

申请日：2019-08-27

申请人： KAO CORPORATION ,  CHEMEOR, INC.

发明人： Fei MENG ,  Mitsuru UNO ,  Yongchun TANG

IPC分类号： C09K8/54 ,  C09K15/18 ,  C09K15/26 ,  C23F11/14 ,  C23F11/16

摘要： A method of inhibiting corrosion of metal in contact with a corrosive mixture in an oil or gas field environment involving introducing a corrosion inhibitor composition into the corrosive mixture, the corrosion inhibitor composition including a nitrogen-containing compound having an alkyl amine group or an alkyl quaternary ammonium salt group, and at least one sulfur-containing compound selected from the group consisting of mercaptobenzothiazole, mercaptobenzoimidazole, a thioglycol compound, and a thiourea compound.

公开(公告)号：US20150075798A1

公开(公告)日：2015-03-19

申请号：US14488272

申请日：2014-09-16

申请人： ChemEOR, Inc.

发明人： Yongchun TANG ,  Hongxin TANG ,  Panqing HE

IPC分类号： C09K8/588 ,  E21B43/26 ,  E21B43/16

CPC分类号： C09K8/588 ,  C09K8/584 ,  C09K8/604 ,  C09K8/665 ,  C09K8/68 ,  C09K8/882 ,  C09K2208/10 ,  E21B43/16 ,  E21B43/26

摘要： Compositions and dispersions comprising hydrophobically modified polyacrylamide (HMPAM) or associative polymers and small particles useful in hydrocarbon recovery and enhanced oil recovery processes using the same. Non-limiting embodiments include those using metal oxide small particles, including fumed silica having primary particles in the nanoparticle size range.

摘要翻译： 包含疏水改性的聚丙烯酰胺（HMPAM）或缔合聚合物和可用于烃回收的小颗粒和使用其的增强的油回收方法的组合物和分散体。 非限制性实施方案包括使用金属氧化物小颗粒的那些，包括具有纳米颗粒尺寸范围的初级颗粒的热解法二氧化硅。