Downhole multistage spiral gas-liquid separation device
By using a downhole multi-stage spiral gas-liquid separator, which employs a combination of multi-stage spiral components and sleeves, gas-liquid separation is achieved through centrifugal force. This solves the problem of low separation efficiency in existing devices, realizes a highly efficient gas-liquid separation effect, and extends the service life and production of gas wells.
CN122407155APending Publication Date: 2026-07-17PETROCHINA CO LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- PETROCHINA CO LTD
- Filing Date
- 2026-06-12
- Publication Date
- 2026-07-17
Smart Images
Figure CN122407155A_ABST
Abstract
本发明属于井下气液分离技术领域，公开了一种井下多级螺旋式气液分离装置。井下多级螺旋式气液分离装置包括一级气液分离机构、二级气液分离机构和三级气液分离机构，该井下多级螺旋式气液分离装置结构紧凑，能在井下有限的空间内运作，适应性强，通过与旋流离心分离技术相结合，采用多级分离，实现了气相与液相天然气的高效分离，极大地提高了资源利用率和气液分离的质量和效率。由气藏产出的气液混合相天然气经过井下多级螺旋式气液分离装置的三次气液分离后，提高了气液混合相天然气的气液分离效果，避免了生产过程中气相天然气携带液滴上升所做的无用功，进而提高了气井的产量和使用寿命。
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