GB2441913B - Methods for producing even wall down-hole power sections - Google Patents

Methods for producing even wall down-hole power sections

Info

Publication number
GB2441913B
GB2441913B GB0722184A GB0722184A GB2441913B GB 2441913 B GB2441913 B GB 2441913B GB 0722184 A GB0722184 A GB 0722184A GB 0722184 A GB0722184 A GB 0722184A GB 2441913 B GB2441913 B GB 2441913B
Authority
GB
United Kingdom
Prior art keywords
methods
wall down
hole power
even wall
power sections
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
GB0722184A
Other versions
GB0722184D0 (en
GB2441913A (en
Inventor
David Warren Teale
Robert Badrak
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Weatherford Lamb Inc
Original Assignee
Weatherford Lamb Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US11/181,247 external-priority patent/US20070011873A1/en
Application filed by Weatherford Lamb Inc filed Critical Weatherford Lamb Inc
Priority to GB0722184A priority Critical patent/GB2441913B/en
Publication of GB0722184D0 publication Critical patent/GB0722184D0/en
Publication of GB2441913A publication Critical patent/GB2441913A/en
Application granted granted Critical
Publication of GB2441913B publication Critical patent/GB2441913B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/0026—Arc welding or cutting specially adapted for particular articles or work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D13/00—Centrifugal casting; Casting by using centrifugal force
    • B22D13/02—Centrifugal casting; Casting by using centrifugal force of elongated solid or hollow bodies, e.g. pipes, in moulds rotating around their longitudinal axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D23/00—Casting processes not provided for in groups B22D1/00 - B22D21/00
    • B22D23/06—Melting-down metal, e.g. metal particles, in the mould
    • B22D23/10—Electroslag casting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/34—Laser welding for purposes other than joining
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
    • F04C2/107—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member with helical teeth
GB0722184A 2005-07-14 2006-07-12 Methods for producing even wall down-hole power sections Expired - Fee Related GB2441913B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0722184A GB2441913B (en) 2005-07-14 2006-07-12 Methods for producing even wall down-hole power sections

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11/181,247 US20070011873A1 (en) 2005-07-14 2005-07-14 Methods for producing even wall down-hole power sections
GB0613870A GB2428212B (en) 2005-07-14 2006-07-12 Methods for producing even wall down-hole power sections
GB0722184A GB2441913B (en) 2005-07-14 2006-07-12 Methods for producing even wall down-hole power sections

Publications (3)

Publication Number Publication Date
GB0722184D0 GB0722184D0 (en) 2007-12-19
GB2441913A GB2441913A (en) 2008-03-19
GB2441913B true GB2441913B (en) 2008-07-09

Family

ID=39166981

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0722184A Expired - Fee Related GB2441913B (en) 2005-07-14 2006-07-12 Methods for producing even wall down-hole power sections

Country Status (1)

Country Link
GB (1) GB2441913B (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60257963A (en) * 1984-06-06 1985-12-19 Kawasaki Heavy Ind Ltd Production of mud pump liner
DE3442977A1 (en) * 1984-11-24 1986-05-28 Verschleiß-Technik Dr.-Ing. Hans Wahl GmbH & Co, 7302 Ostfildern Worm screw pump and method and apparatus for manufacturing it
DE19633984A1 (en) * 1996-08-22 1998-02-26 Wilhelm Kaechele Gmbh Kautschu Eccentric screw action pump
CN1085572C (en) * 1998-11-23 2002-05-29 辽河石油勘探局钻井一公司 Production method of composite cylinder sleeve of slurry pump

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60257963A (en) * 1984-06-06 1985-12-19 Kawasaki Heavy Ind Ltd Production of mud pump liner
DE3442977A1 (en) * 1984-11-24 1986-05-28 Verschleiß-Technik Dr.-Ing. Hans Wahl GmbH & Co, 7302 Ostfildern Worm screw pump and method and apparatus for manufacturing it
DE19633984A1 (en) * 1996-08-22 1998-02-26 Wilhelm Kaechele Gmbh Kautschu Eccentric screw action pump
CN1085572C (en) * 1998-11-23 2002-05-29 辽河石油勘探局钻井一公司 Production method of composite cylinder sleeve of slurry pump

Also Published As

Publication number Publication date
GB0722184D0 (en) 2007-12-19
GB2441913A (en) 2008-03-19

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20151029 AND 20151104

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20180712