Wells – Processes – Placing fluid into the formation
Reexamination Certificate
2007-06-22
2010-06-15
Bagnell, David J (Department: 3672)
Wells
Processes
Placing fluid into the formation
C166S319000, C166S332100
Reexamination Certificate
active
07735557
ABSTRACT:
Bypass assembly100includes stinger150received by receptacle bore172of tubular receiver120attached to tube106. Bypass pathway140connects stinger port(s) (158, 158′) to slip hanger122supported hydraulic conduit108to bypass the tube106. Tube106can be a subsurface safety valve or hydraulic nipple anchored within production tubing. Bypass assembly200includes upper202and lower203hydraulic nipples in production tubing210, with respective tubular anchor seal assemblies (220, 230) engaged therein. Bypass pathway214connects hydraulic conduit208to slip hanger242supported hydraulic conduit216to bypass tubular anchor seal assemblies (220, 230). Bypass assembly300includes upper302and lower303hydraulic nipples in production tubing310, with respective tubular anchor seal assemblies (320, 330) engaged therein. Bypass passage318connects stinger350to slip hanger342supported hydraulic conduit316to bypass tubular anchor seal assemblies (320, 330).
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patent: 4079998 (1978-03-01), Huff et al.
patent: 2006/0021750 (2006-02-01), Lugtmeier et al.
patent: 2111562 (1983-07-01), None
patent: WO 2004076797 (2004-09-01), None
patent: WO 2006042060 (2006-04-01), None
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patent: WO 2006133351 (2006-12-01), None
PCT International Search Report and Written Opinion mailed Jan. 24, 2008, for corresponding PCT/US2007/014558.
Bahr Glenn A.
Hill Thomas G.
Mailand Jason C.
Saran Adrian V.
West Lonnie Christopher
Bagnell David J
BJ Services Company U.S.A.
Sayre James G
Zarian Midgley & Johnson PLLC
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