EP3022440A4 - Cranked rod pump apparatus and method - Google Patents

Cranked rod pump apparatus and method Download PDF

Info

Publication number
EP3022440A4
EP3022440A4 EP14826286.8A EP14826286A EP3022440A4 EP 3022440 A4 EP3022440 A4 EP 3022440A4 EP 14826286 A EP14826286 A EP 14826286A EP 3022440 A4 EP3022440 A4 EP 3022440A4
Authority
EP
European Patent Office
Prior art keywords
pump apparatus
rod pump
cranked rod
cranked
rod
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.)
Withdrawn
Application number
EP14826286.8A
Other languages
German (de)
French (fr)
Other versions
EP3022440A1 (en
Inventor
Benjamin J. GREGORY
Thomas L. Beck
Ronald G. PETERSON
Michael A. MacDONALD
Michael D. DRY
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.)
Unico LLC
Original Assignee
Unico LLC
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 US13/943,933 external-priority patent/US20130302183A1/en
Application filed by Unico LLC filed Critical Unico LLC
Publication of EP3022440A1 publication Critical patent/EP3022440A1/en
Publication of EP3022440A4 publication Critical patent/EP3022440A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B47/00—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps
    • F04B47/02—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps the driving mechanisms being situated at ground level
    • F04B47/026—Pull rods, full rod component parts
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
    • E21B43/121—Lifting well fluids
    • E21B43/126—Adaptations of down-hole pump systems powered by drives outside the borehole, e.g. by a rotary or oscillating drive
    • E21B43/127—Adaptations of walking-beam pump systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
    • F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B47/00—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps
    • F04B47/02—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps the driving mechanisms being situated at ground level
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B47/00—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps
    • F04B47/02—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps the driving mechanisms being situated at ground level
    • F04B47/04—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps the driving mechanisms being situated at ground level the driving means incorporating fluid means

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Physics & Mathematics (AREA)
  • Reciprocating Pumps (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Compressor (AREA)
EP14826286.8A 2013-07-17 2014-07-02 Cranked rod pump apparatus and method Withdrawn EP3022440A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/943,933 US20130302183A1 (en) 2008-10-15 2013-07-17 Cranked rod pump apparatus and method
PCT/US2014/045233 WO2015009452A1 (en) 2013-07-17 2014-07-02 Cranked rod pump apparatus and method

Publications (2)

Publication Number Publication Date
EP3022440A1 EP3022440A1 (en) 2016-05-25
EP3022440A4 true EP3022440A4 (en) 2017-03-08

Family

ID=52346633

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14826286.8A Withdrawn EP3022440A4 (en) 2013-07-17 2014-07-02 Cranked rod pump apparatus and method

Country Status (6)

Country Link
EP (1) EP3022440A4 (en)
JP (1) JP2015021493A (en)
CA (1) CA2917847A1 (en)
EA (1) EA201690234A1 (en)
MX (1) MX2016000548A (en)
WO (1) WO2015009452A1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4719811A (en) * 1985-02-25 1988-01-19 Rota-Flex Corporation Well pumping unit with counterweight
US7530799B2 (en) * 2004-07-30 2009-05-12 Norris Edward Smith Long-stroke deep-well pumping unit
CN1752406B (en) * 2005-10-28 2013-10-23 大庆油田有限责任公司 Single crank double stroke flexible rope beam-pumping unit
US8668475B2 (en) * 2006-06-12 2014-03-11 Unico, Inc. Linear rod pump apparatus and method
US8708671B2 (en) * 2007-10-15 2014-04-29 Unico, Inc. Cranked rod pump apparatus and method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
No further relevant documents disclosed *

Also Published As

Publication number Publication date
EA201690234A1 (en) 2016-06-30
JP2015021493A (en) 2015-02-02
EP3022440A1 (en) 2016-05-25
CA2917847A1 (en) 2015-01-22
MX2016000548A (en) 2016-08-08
WO2015009452A1 (en) 2015-01-22

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20160118

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20170202

RIC1 Information provided on ipc code assigned before grant

Ipc: F04B 35/04 20060101ALI20170127BHEP

Ipc: E21B 43/16 20060101ALI20170127BHEP

Ipc: F04B 9/02 20060101AFI20170127BHEP

Ipc: F04B 47/04 20060101ALI20170127BHEP

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20170905