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Apparatus, systems, and methods for downhole fluid filtration

一种流体、过滤器的技术，应用在提高水的纯度领域，能够解决多能量、消耗等问题

Inactive Publication Date: 2016-09-21
NAT OILWELL VARCO LP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The RO process requires high pressure pumping, which consumes a lot of energy

Method used

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  • Apparatus, systems, and methods for downhole fluid filtration
  • Apparatus, systems, and methods for downhole fluid filtration
  • Apparatus, systems, and methods for downhole fluid filtration

Examples

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Embodiment Construction

[0024] Disclosed herein are various embodiments of fluid recovery systems configured to purify fluids, such as brackish water from a wellbore in a formation. In one embodiment, the fluid recovery system includes: a filtration assembly or desalination assembly having membrane filtration technology configured to be positioned within a well in fluid communication with a fluid supply zone and having a fluid inlet, a permeate outlet, and a concentrated fluid outlet . In some embodiments, the desalination assembly also includes two pumps. One of the pumps is coupled to the permeate outlet to drive the purified or treated water to a desired location, eg, up the well, or to a storage area in the formation. Another pump is coupled to the concentrated fluid outlet to drive the concentrated fluid to a drained fluid zone in the formation. In one embodiment, the two pumps are configured to maintain a constant pumping ratio relative to each other. In some embodiments, the pumping ratio i...

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Abstract

A fluid production system for downhole fluid purification includes a filtering assembly to be positioned within a wellbore. The filtering assembly has a fluid filter and a first pump closely-coupled to the filter. In addition, the system includes an extension shaft extending from the first pump to a source of rotational power positioned adjacent the surface of the earth.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of U.S. Provisional Patent Application No. 61 / 914,225, filed December 10, 2013, entitled "Apparatus, Systems, and Methods for Downhole Fluid Filtration" , which is incorporated herein by reference in its entirety for all purposes. This application also claims U.S. Provisional Patent Application No. 62 / 055,035, filed September 25, 2014, entitled "Apparatus, Systems, and Methods for Downhole Fluid Filtration" Interest, the entire content of this United States provisional patent application is incorporated herein by reference for all purposes. [0003] Statement Regarding Federally Sponsored Research or Development [0004] Not applicable. technical field [0005] The present disclosure generally relates to improving the purity of water. More particularly, the present disclosure relates to devices and systems for purifying or desalinating water from the subsurface. Still more particu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B43/38E21B43/00E21B33/12
CPCE21B33/12E21B43/385E21B43/20Y02W10/37E21B43/08B01D61/025C02F1/441
Inventor 马克·E·沃尔夫罗伯特·尤金·梅班三世
Owner NAT OILWELL VARCO LP
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