Invention Grant
- Patent Title: Debris catcher with retention within screen
- Patent Title (中): 碎片捕捉器,保留在屏幕内
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Application No.: US12546839Application Date: 2009-08-25
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Publication No.: US08257585B2Publication Date: 2012-09-04
- Inventor: John P. Davis , Paul L. Connell
- Applicant: John P. Davis , Paul L. Connell
- Applicant Address: US TX Houston
- Assignee: Baker Hughes Incorporated
- Current Assignee: Baker Hughes Incorporated
- Current Assignee Address: US TX Houston
- Agent Steve Rosenblatt
- Main IPC: C02F1/00
- IPC: C02F1/00 ; B01D21/00 ; B01D35/16 ; E21B21/00

Abstract:
A debris catcher uses induced circulation from a venturi to urge debris laden flow into the lower end of a housing. An inlet tube maintains velocity so as to keep the debris moving with the fluid stream as it goes up the inlet tube. A screen fits over the open end of the inlet tube and runs down around the inlet tube toward the entrance of the debris laden fluid into the lower end of the housing. There is a clearance around the cylindrical portion of the screen so some flow can exit that way. There is also an open exit through the top of the screen that can be reached after the fluid stream makes two hairpin turns. Many modules can be stacked. Each module has a large screen area for flow to exit and progressive modules can have smaller screen openings in an uphole flow direction.
Public/Granted literature
- US20110049025A1 Debris Catcher with Retention within Screen Public/Granted day:2011-03-03
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