CA2235022C - Dispositif de soupape de pompage pneumatique a ouverture variable muni d'une source d'energie amovible et methode d'utilisation - Google Patents

Dispositif de soupape de pompage pneumatique a ouverture variable muni d'une source d'energie amovible et methode d'utilisation Download PDF

Info

Publication number: CA2235022C
Authority: CA; Canada
Prior art keywords: valve; actuating; gas; gas lift; assembly
Prior art date: 1997-08-15
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

CA 2235022

Other languages

English (en)

Other versions

CA2235022A1 (fr

Inventor

Ronald E. Pringle

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.)

Camco International Inc

Original Assignee

Camco International 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.)

1997-08-15

Filing date

1998-04-16

Publication date

2003-04-08

1997-08-15 Priority claimed from US08/912,150 external-priority patent/US6070608A/en

1998-03-09 Priority claimed from US09/037,309 external-priority patent/US5971004A/en

1998-04-16 Application filed by Camco International Inc filed Critical Camco International Inc

1999-02-15 Publication of CA2235022A1 publication Critical patent/CA2235022A1/fr

2003-04-08 Application granted granted Critical

2003-04-08 Publication of CA2235022C publication Critical patent/CA2235022C/fr

2018-04-16 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

238000000034 method Methods 0.000 title abstract description 9
239000012530 fluid Substances 0.000 claims abstract description 27
238000003780 insertion Methods 0.000 claims abstract description 4
230000037431 insertion Effects 0.000 claims abstract description 4
238000002347 injection Methods 0.000 claims description 23
239000007924 injection Substances 0.000 claims description 23
238000006073 displacement reaction Methods 0.000 claims description 10
238000004891 communication Methods 0.000 claims description 2
239000007789 gas Substances 0.000 description 84
230000033001 locomotion Effects 0.000 description 13
238000004519 manufacturing process Methods 0.000 description 10
230000015572 biosynthetic process Effects 0.000 description 9
238000005755 formation reaction Methods 0.000 description 9
230000007246 mechanism Effects 0.000 description 5
230000008859 change Effects 0.000 description 3
230000007423 decrease Effects 0.000 description 3
229930195733 hydrocarbon Natural products 0.000 description 3
238000007789 sealing Methods 0.000 description 3
239000004215 Carbon black (E152) Substances 0.000 description 2
238000005553 drilling Methods 0.000 description 2
150000002430 hydrocarbons Chemical class 0.000 description 2
230000002706 hydrostatic effect Effects 0.000 description 2
238000012986 modification Methods 0.000 description 2
230000004048 modification Effects 0.000 description 2
238000011084 recovery Methods 0.000 description 2
230000009467 reduction Effects 0.000 description 2
230000000284 resting effect Effects 0.000 description 2
230000008901 benefit Effects 0.000 description 1
238000007906 compression Methods 0.000 description 1
230000006835 compression Effects 0.000 description 1
230000007812 deficiency Effects 0.000 description 1
238000011161 development Methods 0.000 description 1
230000018109 developmental process Effects 0.000 description 1
230000009977 dual effect Effects 0.000 description 1
238000005516 engineering process Methods 0.000 description 1
238000000605 extraction Methods 0.000 description 1
125000001183 hydrocarbyl group Chemical group 0.000 description 1
238000012423 maintenance Methods 0.000 description 1
239000003129 oil well Substances 0.000 description 1
230000008569 process Effects 0.000 description 1
230000002062 proliferating effect Effects 0.000 description 1
230000000630 rising effect Effects 0.000 description 1

Landscapes

Mechanically-Actuated Valves (AREA)

CA 2235022 1997-08-15 1998-04-16 Dispositif de soupape de pompage pneumatique a ouverture variable muni d'une source d'energie amovible et methode d'utilisation Expired - Fee Related CA2235022C (fr)

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
US08/912,150		1997-08-15
US08/912,150 US6070608A (en)	1997-08-15	1997-08-15	Variable orifice gas lift valve for high flow rates with detachable power source and method of using
US09/037,309		1998-03-09
US09/037,309 US5971004A (en)	1996-08-15	1998-03-09	Variable orifice gas lift valve assembly for high flow rates with detachable power source and method of using same

Publications (2)

Publication Number	Publication Date
CA2235022A1 CA2235022A1 (fr)	1999-02-15
CA2235022C true CA2235022C (fr)	2003-04-08

Family

ID=26714017

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA 2235022 Expired - Fee Related CA2235022C (fr)	1997-08-15	1998-04-16	Dispositif de soupape de pompage pneumatique a ouverture variable muni d'une source d'energie amovible et methode d'utilisation

Country Status (1)

Country	Link
CA (1)	CA2235022C (fr)

1998
- 1998-04-16 CA CA 2235022 patent/CA2235022C/fr not_active Expired - Fee Related

Also Published As

Publication number	Publication date
CA2235022A1 (fr)	1999-02-15

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Legal Events

Date	Code	Title	Description
1998-04-16	EEER	Examination request
2018-05-28	MKLA	Lapsed	Effective date: 20180416