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1. 发明公开

EP2135914A1 Method for providing thixotropy to fluids downhole 审中-公开
标题翻译： Flfssigkeiten的Verfahren zur unterirdischen Erzeugung von Thixotropie
公开(公告)号：EP2135914A1
公开(公告)日：2009-12-23
申请号：EP08158495.5
申请日：2008-06-18
申请人： Schlumberger Holdings Limited , Schlumberger Technology B.V. , PRAD Research and Development N.V. , Services Pétroliers Schlumberger
发明人： Shindgikar, Nikhil , Lee, Jesse , Kefi, Slaheddine
IPC分类号： C09K8/14 , C09K8/42 , C09K8/504 , C09K8/516
CPC分类号： C09K8/145 , C04B20/1029 , C04B28/02 , C04B2103/0085 , C09K8/467 , C09K8/487 , C09K8/5045 , C09K8/516 , C04B14/104 , C04B20/1007 , C04B20/1066 , C04B40/0641
摘要： A method of providing thixotropy to a fluid downhole comprising:
adding an encapsulated thixotropic agent to a fluid at the surface;
introducing the fluid into a borehole; and
subjecting the fluid to a shearing action so as to release the thixotropic agent into the fluid.
摘要翻译：向井下液体提供触变性的方法，包括：将包封的触变剂加入表面的流体; 将流体引入井眼; 并对流体进行剪切作用以将触变剂释放到流体中。

2. 发明公开

EP3048154A1 Compositions and methods for completing subterranean wells 审中-公开
标题翻译： BouslöcherZusammensetzungen und Verfahren zur Fertigstellung unterirdischerBohrlöcher
公开(公告)号：EP3048154A1
公开(公告)日：2016-07-27
申请号：EP15290015.5
申请日：2015-01-21
申请人： Services Pétroliers Schlumberger , Schlumberger Holdings Limited , Schlumberger Technology B.V.
发明人： Barral, Quentin , Droger, Nicolas , Kefi, Slaheddine , Regnault de la Mothe, Loic
IPC分类号： C09K8/528 , C09K8/40 , B01F17/00 , C09K8/52
CPC分类号： C09K8/40 , C09K8/52 , E21B33/14 , E21B37/00
摘要： Well treatment compositions comprise water, a lipophilic anionic surfactant, a hydrophilic non-ionic surfactant, a second non-ionic surfactant, a water-solubilizing solvent, a water-immiscible solvent and a lipophilic non-ionic surfactant. Optionally, a second solvent may be incorporated. When added to spacer fluids, chemical washes or both, the compositions promote the removal of non-aqueous drilling fluids from casing surfaces. Additionally, the treated casing surfaces are water wet, thereby promoting optimal bonding to cement.
摘要翻译：井处理组合物包括水，亲脂性阴离子表面活性剂，亲水非离子表面活性剂，第二非离子表面活性剂，水溶性溶剂，与水不混溶的溶剂和亲油非离子表面活性剂。任选地，可并入第二溶剂。当添加到间隔液，化学洗涤或两者时，组合物促进从套管表面去除非水性钻井液。此外，经处理的套管表面是水湿的，从而促进对水泥的最佳粘合。

3. 发明公开

EP2813666A1 Apparatuses and methods for testing wellbore fluids 审中-公开
标题翻译： Vorrichtungen und Verfahren zum Testen vonBohrlochflüssigkeiten
公开(公告)号：EP2813666A1
公开(公告)日：2014-12-17
申请号：EP14001799.7
申请日：2014-05-22
申请人： Services Pétroliers Schlumberger , Schlumberger Holdings Limited , Schlumberger Technology B.V.
发明人： Barral, Quentin , Chougnet - Siraplan, Alice , Dargaud, Bernard , Bennani, Nora , Zamora, Dominique , Kefi, Slaheddine
IPC分类号： E21B33/13 , E21B21/00 , G01N11/14
CPC分类号： E21B47/00 , E21B21/00 , E21B33/13
摘要： An apparatus may be used to test the ability of a first fluid to remove a second fluid from a surface. The apparatus comprises a reservoir (100) that contains the first fluid and a testing cell (106) that contains the second fluid. The testing cell also contains a rotor (107) within. The first fluid is pumped into the testing cell, thereby displacing the second fluid. The displaced second fluid flows to a collection vessel (109). The apparatus is particularly useful for determining the ability of a chemical wash or a spacer fluid to remove non-aqueous drilling fluids from a metallic surface.
摘要翻译：可以使用装置来测试第一流体从表面移除第二流体的能力。该装置包括容纳第一流体的容器（100）和包含第二流体的测试池（106）。测试单元还包含一个转子（107）。第一流体被泵送到测试单元中，从而移动第二流体。排出的第二流体流入收集容器（109）。该装置特别可用于确定化学清洗或间隔液从金属表面除去非水性钻井液的能力。

4. 发明公开

EP2261458A1 Engineered fibres for well treatments 审中-公开
标题翻译： Fasern nachMaßfürBohrlochbehandlungen
公开(公告)号：EP2261458A1
公开(公告)日：2010-12-15
申请号：EP09290413.5
申请日：2009-06-05
申请人： Services Pétroliers Schlumberger , Schlumberger Technology B.V. , Schlumberger Holdings Limited , Prad Research And Development Limited
发明人： Shindgikar, Nikhil , Lee, Jesse , Kefi, Slaheddine , Cambus-Brunet, Chrystel , Ermel, Michel
IPC分类号： E21B21/00 , E21B33/138 , E21B43/267
CPC分类号： C09K8/426 , C04B28/02 , C09K8/03 , C09K8/40 , C09K8/487 , C09K8/50 , C09K8/516 , C09K8/80 , C09K2208/08 , C09K2208/18 , E21B21/003 , E21B33/13 , E21B33/138 , E21B43/267 , C04B20/0048
摘要： The present invention pertains to the use of mixtures of fibers and solid particles to cure fluid losses and lost circulation. A method involving such fibers and solid particles is disclosed. The mechanism for curing lost circulation and fluid losses is described in detail.
摘要翻译：本发明涉及使用纤维和固体颗粒的混合物来固化流体损失和流失。公开了涉及这种纤维和固体颗粒的方法。详细描述了固化流失和流体损失的机理。

5. 发明公开

EP1236701A1 Very low-density cement slurry 审中-公开
标题翻译： Zementschlämmevon sehr geringer Dichte
公开(公告)号：EP1236701A1
公开(公告)日：2002-09-04
申请号：EP01400405.5
申请日：2001-02-15
申请人： Schlumberger Technology B.V. , SERVICES PETROLIERS SCHLUMBERGER , SCHLUMBERGER HOLDINGS LIMITED
发明人： Drochon, Bruno , Kefi, Slaheddine
IPC分类号： C04B28/04
CPC分类号： C04B7/527 , C04B20/0036 , C04B28/04 , C04B2111/00068 , Y02W30/92 , C04B20/008 , C04B14/24 , C04B18/082
摘要： A cement slurry having a density between 750 kg/m 3 and 1,000 kg/m 3 , comprising a solid fraction comprising: either
75% - 90% (by volume) of lightweight particles having a mean particle size between 10 and 60 µm;
10% - 25% (by volume) of Portland cement having a mean particle size of between 10 and 50 µm, or micro-cement having a mean particle size between 0.5 and 5 µm;
or:
20% - 50% (by volume) of lightweight particles having a mean particle size between 10 and 60 µm;
10% - 25% (by volume) of Portland cement having a mean particle size of between 10 and 50 µm, or micro-cement having a mean particle size between 0.5 and 5 µm;
35% - 65% (by volume) of lightweight particles having a mean particle size between 100 and 200 µm; and
a liquid fraction present in an amount of 37% - 50% (by volume) of the total volume. Such cements have remarkable mechanical properties due to their very low porosity in spite of having very low density.
摘要翻译：密度在750kg / m 3至1,000kg / m 3之间的水泥浆料，其包含固体部分，其包含75％至90％（体积）的平均粒径为10至 60亩; 10％〜25％（体积）的平均粒度为10〜50μm的波特兰水泥，或平均粒径为0.5〜5μm的微水泥; 或者：20％-50％（体积）的平均粒度在10至60μm之间的轻质颗粒; 10％〜25％（体积）的平均粒度为10〜50μm的波特兰水泥，或平均粒径为0.5〜5μm的微水泥; 35％〜65％（体积）的平均粒径在100〜200μm之间的轻质粒子; 和以总体积的37％-50％（体积）的量存在的液体级分。尽管密度非常低，但由于它们的孔隙率非常低，所以这种水泥具有显着的机械性能。

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