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1.发明授权Wellbore treatment compositions containing foam extenders and methods of use thereof 有权含有泡沫增量剂的井筒处理组合物及其使用方法公开(公告)号：US08207094B2
公开(公告)日：2012-06-26
申请号：US12169303
申请日：2008-07-08
IPC分类号： C09K8/60
CPC分类号： C09K8/703 , C09K8/68 , C09K8/685 , C09K8/94 , C09K2208/30
摘要： This invention relates to fluid compositions used in treating a subterranean formation. In particular, the invention is aqueous wellbore treatment compositions which are foams containing a viscosifying agent, a foam extender, a gas component, and a surfactant, as well as methods of forming such fluids, and uses thereof. The viscosifying agent may be a hydratable polymer, viscoelastic surfactant, or heteropolysaccharide. The foam extender may be a material such as a polyoxyalkyleneamines, ethylenepolyamines, tertiary polyamines, bicarbonate, carbonate, phosphate, or sesquicarbonate.
摘要翻译： 本发明涉及用于处理地层的流体组合物。 特别地，本发明是含有增粘剂，泡沫增量剂，气体组分和表面活性剂的泡沫的水性井筒处理组合物，以及形成这种流体的方法及其用途。 增粘剂可以是可水合的聚合物，粘弹性表面活性剂或杂多糖。 泡沫增量剂可以是诸如聚氧亚烷基胺，亚乙基多胺，叔多胺，碳酸氢盐，碳酸盐，磷酸盐或倍半碳酸盐的材料。
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2.发明申请Wellbore Treatment Compositions Containing Foam Extenders and Methods of Use Thereof 有权含泡沫膨胀剂的井眼处理组合物及其使用方法公开(公告)号：US20080269080A1
公开(公告)日：2008-10-30
申请号：US12169303
申请日：2008-07-08
IPC分类号： C09K8/60
CPC分类号： C09K8/703 , C09K8/68 , C09K8/685 , C09K8/94 , C09K2208/30
摘要： This invention relates to fluid compositions used in treating a subterranean formation. In particular, the invention is aqueous wellbore treatment compositions which are foams containing a viscosifying agent, a foam extender, a gas component, and a surfactant, as well as methods of forming such fluids, and uses thereof. The viscosifying agent may be a hydratable polymer, viscoelastic surfactant, or heteropolysaccharide. The foam extender may be a material such as a polyoxyalkyleneamines, ethylenepolyamines, tertiary polyamines, bicarbonate, carbonate, phosphate, or sesquicarbonate.
摘要翻译： 本发明涉及用于处理地层的流体组合物。 特别地，本发明是含有增粘剂，泡沫增量剂，气体组分和表面活性剂的泡沫的水性井筒处理组合物，以及形成这种流体的方法及其用途。 增粘剂可以是可水合的聚合物，粘弹性表面活性剂或杂多糖。 泡沫增量剂可以是诸如聚氧亚烷基胺，亚乙基多胺，叔多胺，碳酸氢盐，碳酸盐，磷酸盐或倍半碳酸盐的材料。
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公开(公告)号：US20070293404A1
公开(公告)日：2007-12-20
申请号：US11424449
申请日：2006-06-15
摘要： Methods using foamed fluids to perform subterranean formation treatments, the fluid containing methanol having a decreased concentration of gelling agent, while retaining excellent rheological properties in the foamed state, and processes for preparing foamed fluid for use in treating subterranean formations.
摘要翻译： 使用泡沫流体进行地下地层处理的方法，含有降低胶凝剂浓度的甲醇的流体，同时保持发泡状态下优异的流变性能，以及用于制备用于处理地下地层的发泡流体的方法。
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公开(公告)号：US4822494A
公开(公告)日：1989-04-18
申请号：US69375
申请日：1987-07-01
申请人： Stanley B. McConnell
发明人： Stanley B. McConnell
CPC分类号： C02F1/722 , C02F1/76 , C02F2101/20 , Y10S210/908
摘要： A chemical method of removing thiourea from spent hydrochloric acid cleaning solutions comprising the steps of: adjusting the pH to not less than 12 by addition of base to remove metal hydroxides; oxidizing thiourea to urea by the addition of at least 4 moles of hydrogen peroxide per mole of thiourea; and further oxidizing urea to nonregulated/nonhazardous compounds by the addition of at least 3 moles of a hypochlorite per mole of urea. UV analysis confirms a greater than 98% removal of thiourea from solutions containing 0.4 to 2.7 wt. % thiourea after as little as 3 hours with an exotherm, .DELTA.t, of less than 105.degree. F.
摘要翻译： 从废盐酸清洗溶液中除去硫脲的化学方法，包括以下步骤：通过加入碱调节pH至不小于12，以除去金属氢氧化物; 通过每摩尔硫脲加入至少4摩尔过氧化氢将硫脲氧化成脲; 并且通过每摩尔尿素加入至少3摩尔次氯酸盐，进一步将尿素氧化成非调节/非危险化合物。 UV分析证实，从含有0.4至2.7重量％的溶液中除去大约98％的硫脲。 少量3小时后，加热量小于105°F的放热量DELTA t。
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公开(公告)号：US4971775A
公开(公告)日：1990-11-20
申请号：US68472
申请日：1987-06-30
申请人： Edgar F. Hoy , Stanley B. McConnell
发明人： Edgar F. Hoy , Stanley B. McConnell
CPC分类号： C02F9/00 , C02F1/5272 , C02F2101/20
摘要： A method for removing iron(III), copper(II), zinc(I) and nickel(II) from an effluent containing chelant (EDTA, DEPA, HOEDTA) comprising treating the effluent with a soluble calcium compound (e.g., Ca(OH).sub.2) CaCl.sub.2, Ca(NO.sub.3).sub.2) in a molar equivalent to the chelant in combination with a monovalent hydroxide to a pH greater than 12.4 and then adding an effective amount of a dialkyldithiocarbamate (e.g.; sodium-N,N-diethyldithiocarbamate) to precipitate the metal hydroxides and nickel dialkyldithiocarbamate. Heating the solution to about 180 F. further speeds up the removal of the nickel(II). The nickel concentration of spent chelant cleaning solution can be reduced to less than 1 ppm.
摘要翻译： 一种从含有螯合剂（EDTA，DEPA，HOEDTA）的流出物中除去铁（III），铜（II），锌（I）和镍（II）的方法，包括用可溶性钙化合物（例如，Ca ）2）CaCl 2，Ca（NO 3）2），其摩尔当量于与一价氢氧化物结合的螯合剂至pH大于12.4，然后加入有效量的二烷基二硫代氨基甲酸酯（例如，N，N-二乙基二硫代氨基甲酸钠） 以沉淀金属氢氧化物和二烷基二硫代氨基甲酸镍。 将溶液加热至约180°F，进一步加速了镍（II）的去除。 废螯合剂清洗液的镍浓度可以降低到1ppm以下。
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公开(公告)号：US5180500A
公开(公告)日：1993-01-19
申请号：US333165
申请日：1989-04-04
申请人： Stanley B. McConnell
发明人： Stanley B. McConnell
CPC分类号： C02F1/76 , C02F1/722 , C02F2101/20 , Y10S210/908
摘要： A chemical method of removing thiourea from spent hydrochloric acid cleaning solutions comprising the steps of: adjusting the pH to not less than 12 by addition of base to remove metal hydroxides; oxidizing thiourea to urea by the addition of at least a stoichimetric amount of oxidant per mole of thiourea; and further oxidizing urea to nonregulated/nonhazardous compounds by the addition of at least 3 moles of a hypochlorite per mole of urea. UV analysis confirms a greater than 98% removal of thiourea from solutions containing 0.4 to 2.7 wt. % thiourea after as little as 3 hours with an exotherm, .DELTA.t, of less than 105.degree. F.
摘要翻译： 从废盐酸清洗溶液中除去硫脲的化学方法，包括以下步骤：通过加入碱调节pH至不小于12，以除去金属氢氧化物; 通过每摩尔硫脲加入至少一种沉淀剂量的氧化剂将硫脲氧化成脲; 并且通过每摩尔尿素加入至少3摩尔次氯酸盐，进一步将尿素氧化成非调节/非危险化合物。 UV分析证实，从含有0.4至2.7重量％的溶液中除去大约98％的硫脲。 少量3个小时后，放热量△DELTA t小于105°F。
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