NO20002177L - Fremgangsmåte ved löftepumping og löftepumpe - Google Patents

Fremgangsmåte ved löftepumping og löftepumpe

Info

Publication number
NO20002177L
NO20002177L NO20002177A NO20002177A NO20002177L NO 20002177 L NO20002177 L NO 20002177L NO 20002177 A NO20002177 A NO 20002177A NO 20002177 A NO20002177 A NO 20002177A NO 20002177 L NO20002177 L NO 20002177L
Authority
NO
Norway
Prior art keywords
pledge
pumping
pump
procedure
pledge pumping
Prior art date
Application number
NO20002177A
Other languages
English (en)
Other versions
NO311906B1 (no
NO20002177D0 (no
Inventor
Bjoern Eilertsen
Original Assignee
Eng & Drilling Machinery As
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
Application filed by Eng & Drilling Machinery As filed Critical Eng & Drilling Machinery As
Priority to NO20002177A priority Critical patent/NO311906B1/no
Publication of NO20002177D0 publication Critical patent/NO20002177D0/no
Priority to AU52776/01A priority patent/AU5277601A/en
Priority to PCT/NO2001/000167 priority patent/WO2001081764A1/en
Publication of NO20002177L publication Critical patent/NO20002177L/no
Publication of NO311906B1 publication Critical patent/NO311906B1/no

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
    • F04B47/14—Counterbalancing
    • F04B47/145—Counterbalancing with fluid means
    • 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)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
  • Jet Pumps And Other Pumps (AREA)
  • Supports For Pipes And Cables (AREA)
NO20002177A 2000-04-27 2000-04-27 Fremgangsmate ved loftepumping og loftepumpe NO311906B1 (no)

Priority Applications (3)

Application Number Priority Date Filing Date Title
NO20002177A NO311906B1 (no) 2000-04-27 2000-04-27 Fremgangsmate ved loftepumping og loftepumpe
AU52776/01A AU5277601A (en) 2000-04-27 2001-04-19 Method for lift pumping and lift pump
PCT/NO2001/000167 WO2001081764A1 (en) 2000-04-27 2001-04-19 Method for lift pumping and lift pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO20002177A NO311906B1 (no) 2000-04-27 2000-04-27 Fremgangsmate ved loftepumping og loftepumpe

Publications (3)

Publication Number Publication Date
NO20002177D0 NO20002177D0 (no) 2000-04-27
NO20002177L true NO20002177L (no) 2001-10-29
NO311906B1 NO311906B1 (no) 2002-02-11

Family

ID=19911061

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20002177A NO311906B1 (no) 2000-04-27 2000-04-27 Fremgangsmate ved loftepumping og loftepumpe

Country Status (3)

Country Link
AU (1) AU5277601A (no)
NO (1) NO311906B1 (no)
WO (1) WO2001081764A1 (no)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3538777A (en) * 1969-07-01 1970-11-10 Emil A Bender Air cushion counterbalance for longstroke well pumping apparatus
US3971213A (en) * 1973-04-30 1976-07-27 Kelley Robert K Pneumatic beam pumping unit
US4512149A (en) * 1982-02-11 1985-04-23 Weaver Paul E Oil well pumping unit
US5536150A (en) * 1994-07-28 1996-07-16 Tucker; Joe W. Hydraulic-pneumatic stroke reversal system for pumping units, and its application in preferred embodiments

Also Published As

Publication number Publication date
AU5277601A (en) 2001-11-07
WO2001081764A1 (en) 2001-11-01
NO311906B1 (no) 2002-02-11
NO20002177D0 (no) 2000-04-27

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