CA2015647A1 - Soupape utilisee dans une coulisse de forage hydraulique - Google Patents

Soupape utilisee dans une coulisse de forage hydraulique

Info

Publication number
CA2015647A1
CA2015647A1 CA 2015647 CA2015647A CA2015647A1 CA 2015647 A1 CA2015647 A1 CA 2015647A1 CA 2015647 CA2015647 CA 2015647 CA 2015647 A CA2015647 A CA 2015647A CA 2015647 A1 CA2015647 A1 CA 2015647A1
Authority
CA
Canada
Prior art keywords
valve
chamber
shoulder
mandrel
fluid
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.)
Granted
Application number
CA 2015647
Other languages
English (en)
Other versions
CA2015647C (fr
Inventor
Kenneth Hugo Wenzel
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.)
NOV Canada ULC
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CA 2015647 priority Critical patent/CA2015647C/fr
Priority to US07/681,925 priority patent/US5123493A/en
Publication of CA2015647A1 publication Critical patent/CA2015647A1/fr
Application granted granted Critical
Publication of CA2015647C publication Critical patent/CA2015647C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Multiple-Way Valves (AREA)
CA 2015647 1990-04-27 1990-04-27 Soupape utilisee dans une coulisse de forage hydraulique Expired - Lifetime CA2015647C (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CA 2015647 CA2015647C (fr) 1990-04-27 1990-04-27 Soupape utilisee dans une coulisse de forage hydraulique
US07/681,925 US5123493A (en) 1990-04-27 1991-04-08 Valve used in a hydraulic drilling jar

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA 2015647 CA2015647C (fr) 1990-04-27 1990-04-27 Soupape utilisee dans une coulisse de forage hydraulique

Publications (2)

Publication Number Publication Date
CA2015647A1 true CA2015647A1 (fr) 1991-10-27
CA2015647C CA2015647C (fr) 1996-08-13

Family

ID=4144865

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2015647 Expired - Lifetime CA2015647C (fr) 1990-04-27 1990-04-27 Soupape utilisee dans une coulisse de forage hydraulique

Country Status (1)

Country Link
CA (1) CA2015647C (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113338832A (zh) * 2021-05-18 2021-09-03 四川伟创石油装备制造有限公司 一种液压双向震击器

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113338832A (zh) * 2021-05-18 2021-09-03 四川伟创石油装备制造有限公司 一种液压双向震击器
CN113338832B (zh) * 2021-05-18 2023-10-20 四川伟创石油装备制造有限公司 一种液压双向震击器

Also Published As

Publication number Publication date
CA2015647C (fr) 1996-08-13

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Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry