Loss circulation material composition having an acidic nanoparticle based dispersion and polyamine
A technology of plugging materials and dispersions, applied in the directions of drilling compositions, production fluids, chemical instruments and methods, etc., can solve the problems of oil or natural gas production stagnation, large water intrusion, etc.
Inactive Publication Date: 2020-05-01
SAUDI ARABIAN OIL CO
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Problems solved by technology
Such water production is often at the expense of oil and gas recovery, and in severe cases, the water influx can be so large that oil or gas production stops completely
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[0033] The disclosure includes the following examples to illustrate embodiments of the disclosure. It should be appreciated by those of skill in the art that the techniques and compositions disclosed in the examples that follow represent techniques and compositions that have been found to function well in the practice of the disclosure, and thus can be considered patterns for use in the practice of the disclosure . However, those of skill in the art should appreciate, in light of the present disclosure, that many changes can be made in the specific embodiments which are disclosed and still obtain a like or a similar result without departing from the spirit and scope of the disclosure.
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A lost circulation material (LCM) is provided having an acidic nanosilica dispersion and a polyamine activator. The acidic nanosilica dispersion and the polyester activator may form a gelled solid after interaction over a contact period. Methods of lost circulation control using the LCM are also provided. A well treatment fluid is also provided having an acidic nanosilica dispersion and a polyamine activator. The acidic nanosilica dispersion and the polyamine activator may form a gelled solid after interaction over a period. Methods of reducing water production using the well treatment fluidsare also provided.
Description
technical field [0001] The present disclosure generally relates to controlling lost circulation in a well during drilling with a drilling fluid and reducing water production from the well during production. More specifically, embodiments of the present disclosure relate to lost circulation materials (LCMs) and well treatment fluids. Background technique [0002] Various challenges are encountered during drilling and production operations of oil and gas wells. For example, fluids used in drilling, completions, or wellbore servicing may be lost into subterranean formations as the fluids are circulated in the wellbore. In particular, the fluid may enter the subterranean formation via depleted areas, areas of relatively low pressure, lost circulation areas with naturally occurring fractures, weak areas where the hydrostatic pressure of the drilling fluid exceeds the fracture gradient, and the like. The degree of leakage into the formation can range from minor losses (e.g., les...
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IPC IPC(8): C09K8/508
CPCC09K8/508C09K2208/10C09K8/12E21B21/003E21B33/138E21B43/20
Inventor 阿卜杜拉·阿勒-亚米扎伊纳布·阿尔赛哈蒂维克兰特·瓦格勒阿卜杜勒阿齐兹·阿勒黑拉尔
Owner SAUDI ARABIAN OIL CO
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