Skid-mounted modularized polymer-surfactant binary drive injection allocation device applicable to complex fault block oil field

A complex fault block and modular technology, applied in the fields of production fluids, wellbore/well components, earthwork drilling, etc., can solve the problem that the fixed mode cannot be moved and reused, the equipment integration is not high, and the floor space is large. problems, to achieve the effect of easy management and repeated use, shortening the construction cycle, and small footprint

Active Publication Date: 2019-05-17
PETROCHINA CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The fixed mode in the existing assembly device of the combined meter dual drive can not be moved for repeated use, which occupies a large area and has high investment costs; the equipment integration degree of the skid-mounted mode is not high, and the area is also large, and it is difficult to build a station. The cycle is long and inconvenient to manage. For some complex fault-block oilfields, there are many types of reservoirs, small and scattered development blocks, complex ground conditions, many points and wide areas, etc., which are not suitable for injection with a large area device

Method used

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  • Skid-mounted modularized polymer-surfactant binary drive injection allocation device applicable to complex fault block oil field
  • Skid-mounted modularized polymer-surfactant binary drive injection allocation device applicable to complex fault block oil field
  • Skid-mounted modularized polymer-surfactant binary drive injection allocation device applicable to complex fault block oil field

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Embodiment Construction

[0077] In order to make the technical solutions and advantages of the present invention clearer, the embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0078] The present invention provides a skid-mounted modular polymeter binary flooding distribution device suitable for complex fault-block oilfields. The schematic diagram of its structure is as follows figure 1 As shown, it includes a movable power supply and distribution and automation control module 1, a movable produced water advanced treatment module 2, a movable polymer dry powder dispersion module 3, a movable auxiliary agent adding module 4 and a movable polymer mother liquor An online aging module 5 , a movable feeding module 6 , a movable surfactant storage dilution and addition module 7 , a movable injection module 8 and a first pipeline 9 .

[0079] Among them, the first pipeline 9 is sequentially provided with a produced water advanced tr...

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Abstract

The invention discloses a skid-mounted modularized polymer-surfactant binary drive injection allocation device applicable to a complex fault block oil field and belongs to the technical field of tertiary oil recovery. According to the skid-mounted modularized polymer-surfactant binary drive injection allocation device applicable to the complex fault block oil field, a moveable produced water deeptreatment module, a moveable polymer dry powder dispersion module, a moveable auxiliary agent addition module, a moveable polymer mother liquid on-line aging module, a moveable feeding module, a moveable surfactant storage dilution and addition module and a moveable injection module are sequentially arranged at the liquid inlet end and the liquid outlet end of a first pipeline, a moveable power supply and distribution and automation control module is arranged at the liquid inlet end of the first pipeline, then power support and automatic control are provided for the modules, a standardized andmodularized polymer injection binary drive injection allocation device is established, industrial manufacturing and production can be achieved, the station construction period of a polymer injectionbinary drive injection allocation station is shortened, and convenience is brought to on-site management and repeated multi-time use.

Description

technical field [0001] The invention relates to the technical field of tertiary oil recovery, in particular to a skid-mounted modular polymeter binary flooding distribution device suitable for complex fault-block oil fields. Background technique [0002] Polymer surface binary flooding is an important technology in oil field tertiary oil recovery chemical flooding. By using the synergistic effect of the ability of polymer to expand the swept volume and the ability of surfactant to reduce interfacial tension, the oil recovery rate can be greatly enhanced. The purpose is to widely popularize and apply it in various oilfields. [0003] At present, there are two setting modes for the injection unit of the meter-based binary flooding: one is the fixed mode, which is used for specific blocks by installing the unit as a whole on the well site; the other is the fixed mode. The first is the skid-mounted model, and each component can be reused. When the specified block needs to use t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B43/22
Inventor 庄永涛闫云贵徐国安纪朝凤张杰柳敏梁杰邢立国伍星郑波刘学
Owner PETROCHINA CO LTD
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