公开(公告)号：US6159906A

公开(公告)日：2000-12-12

申请号：US941701

申请日：1997-10-01

Applicant: Keith McNally ,  Hemi Nae ,  James Gambino

Inventor： Keith McNally ,  Hemi Nae ,  James Gambino

IPC: C09K8/32 ,  C09K8/36 ,  C09K7/00

CPC classification number: C09K8/32 ,  C09K8/36

Abstract: An improved drilling fluid with enhanced anti-settling properties useful for oil well drilling systems is described. The invention includes a process for providing anti-settling properties to oil invert (i.e., water in oil emulsion) based fluids. The drilling fluid/drilling mud invention contains at least one copolymer reaction product of which the reactants comprise at least one ethylenically unsaturated carboxylic compound and at least one alpha-olefin. As an alternative embodiment one or more rheologically-active clays including organoclays and smectite clays in combination with such copolymer reaction product are also added to the drilling fluid. The invention also includes an anti-settling additive comprising a rheologically active clay and the above described copolymer.

Abstract translation: 描述了一种用于油井钻井系统的改进的具有增强的抗沉降性能的钻井液。 本发明包括为油反转（即油包水乳液）流体提供抗沉降性能的方法。 钻井液/钻井泥浆发明包含至少一种共聚物反应产物，其中反应物包含至少一种烯属不饱和羧酸化合物和至少一种α-烯烃。 作为替代实施方案，还将一种或多种流变学活性粘土（包括有机粘土和蒙脱石粘土与这种共聚物反应产物组合）加入到钻井液中。 本发明还包括含有流变学活性粘土和上述共聚物的抗沉降添加剂。

公开(公告)号：US6130256A

公开(公告)日：2000-10-10

申请号：US66773

申请日：1993-05-07

Applicant: Hemi Nae

Inventor： Hemi Nae

IPC: C01B33/44 ,  C08L91/00 ,  C09D11/02 ,  C09D191/00 ,  C09J191/00 ,  C09J193/00 ,  C09K3/00 ,  C09K8/32 ,  C10M113/16 ,  C10M159/12 ,  C10M169/04 ,  C10N20/02 ,  C10N30/02 ,  B01J13/00 ,  C08J3/09 ,  C09D11/06

CPC classification number: C10M113/16 ,  C01B33/44 ,  C09K8/32 ,  C10M2201/14 ,  C10M2201/145 ,  C10M2215/02 ,  C10M2219/04 ,  C10M2219/042 ,  C10M2223/00 ,  C10M2223/06 ,  C10M2223/061 ,  Y10S507/901

Abstract: An organophilic clay thickener for natural oil systems comprising the reaction product of a smectite-type clay and an organic cation in an amount of from about 75% to about 150% of the cation exchange capacity of the smectite-type clay. Said organophilic clay comprising at least one naturally occurring, resulting in increased efficiency as a thickener in natural oil systems.

Abstract translation: 用于天然油体系的亲有机粘土增稠剂，其包含绿土型粘土的阳离子交换容量的约75％至约150％的蒙脱石型粘土和有机阳离子的反应产物。 所述亲有机物质粘土包含至少一种天然存在的，导致在天然油体系中增稠剂的效率的提高。