EP2041390A1 - Mechanical trigger arrangement - Google Patents
Mechanical trigger arrangementInfo
- Publication number
- EP2041390A1 EP2041390A1 EP07793918A EP07793918A EP2041390A1 EP 2041390 A1 EP2041390 A1 EP 2041390A1 EP 07793918 A EP07793918 A EP 07793918A EP 07793918 A EP07793918 A EP 07793918A EP 2041390 A1 EP2041390 A1 EP 2041390A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- arrangement
- rotary sleeve
- string section
- spring
- slope
- 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- Withdrawn
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B31/00—Fishing for or freeing objects in boreholes or wells
- E21B31/107—Fishing for or freeing objects in boreholes or wells using impact means for releasing stuck parts, e.g. jars
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO20063252A NO325507B1 (en) | 2006-07-13 | 2006-07-13 | Apparatus for mechanical release of a hammer in a well tool |
PCT/NO2007/000266 WO2008016308A1 (en) | 2006-07-13 | 2007-07-09 | Mechanical trigger arrangement |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2041390A1 true EP2041390A1 (en) | 2009-04-01 |
EP2041390A4 EP2041390A4 (en) | 2015-06-10 |
Family
ID=38997424
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07793918.9A Withdrawn EP2041390A4 (en) | 2006-07-13 | 2007-07-09 | Mechanical trigger arrangement |
Country Status (5)
Country | Link |
---|---|
US (1) | US20090301745A1 (en) |
EP (1) | EP2041390A4 (en) |
CA (1) | CA2657609A1 (en) |
NO (1) | NO325507B1 (en) |
WO (1) | WO2008016308A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9551199B2 (en) | 2014-10-09 | 2017-01-24 | Impact Selector International, Llc | Hydraulic impact apparatus and methods |
US9644441B2 (en) | 2014-10-09 | 2017-05-09 | Impact Selector International, Llc | Hydraulic impact apparatus and methods |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2153882A (en) * | 1935-01-14 | 1939-04-11 | Grant John | Rotary jar |
US2153883A (en) * | 1936-07-06 | 1939-04-11 | Grant John | Oil well jar |
US2354709A (en) * | 1942-04-01 | 1944-08-01 | Donald U Shaffer | Pressure regulated, straight pull jar mechanism |
GB622341A (en) * | 1946-03-18 | 1949-04-29 | Frank Cochran Boyd | Improvements in or relating to rotary jars for use in well drilling operations |
US2653008A (en) * | 1949-12-29 | 1953-09-22 | Cicero C Brown | Well jar |
US3685598A (en) * | 1970-10-20 | 1972-08-22 | Schlumberger Technology Corp | Mechanical jar having an adjustable tripping load |
US4036312A (en) * | 1976-09-13 | 1977-07-19 | Hycalog Inc. | Well jar |
US6991035B2 (en) * | 2003-09-02 | 2006-01-31 | Intelliserv, Inc. | Drilling jar for use in a downhole network |
-
2006
- 2006-07-13 NO NO20063252A patent/NO325507B1/en not_active IP Right Cessation
-
2007
- 2007-07-09 EP EP07793918.9A patent/EP2041390A4/en not_active Withdrawn
- 2007-07-09 US US12/309,197 patent/US20090301745A1/en not_active Abandoned
- 2007-07-09 CA CA002657609A patent/CA2657609A1/en not_active Abandoned
- 2007-07-09 WO PCT/NO2007/000266 patent/WO2008016308A1/en active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO2008016308A1 * |
Also Published As
Publication number | Publication date |
---|---|
NO20063252L (en) | 2008-01-14 |
EP2041390A4 (en) | 2015-06-10 |
NO325507B1 (en) | 2008-05-26 |
US20090301745A1 (en) | 2009-12-10 |
CA2657609A1 (en) | 2008-02-07 |
WO2008016308A1 (en) | 2008-02-07 |
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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: 20090116 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR |
|
AX | Request for extension of the european patent |
Extension state: AL BA HR MK RS |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: I-TEC AS |
|
RAX | Requested extension states of the european patent have changed |
Extension state: RS Payment date: 20090116 Extension state: BA Payment date: 20090116 Extension state: AL Payment date: 20090116 Extension state: MK Payment date: 20090116 |
|
RA4 | Supplementary search report drawn up and despatched (corrected) |
Effective date: 20150513 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: E21B 31/107 20060101AFI20150507BHEP Ipc: E21B 4/10 20060101ALI20150507BHEP |
|
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: 20151212 |