SG44963A1 - Hydraulic jar - Google Patents
Hydraulic jarInfo
- Publication number
- SG44963A1 SG44963A1 SG1996010267A SG1996010267A SG44963A1 SG 44963 A1 SG44963 A1 SG 44963A1 SG 1996010267 A SG1996010267 A SG 1996010267A SG 1996010267 A SG1996010267 A SG 1996010267A SG 44963 A1 SG44963 A1 SG 44963A1
- Authority
- SG
- Singapore
- Prior art keywords
- hydraulic jar
- jar
- hydraulic
- Prior art date
Links
Classifications
-
- 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
- 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
- E21B31/113—Fishing for or freeing objects in boreholes or wells using impact means for releasing stuck parts, e.g. jars hydraulically-operated
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Marine Sciences & Fisheries (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/505,908 US5595244A (en) | 1994-01-27 | 1995-07-24 | Hydraulic jar |
Publications (1)
Publication Number | Publication Date |
---|---|
SG44963A1 true SG44963A1 (en) | 1997-12-19 |
Family
ID=24012385
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG1996010267A SG44963A1 (en) | 1995-07-24 | 1996-07-19 | Hydraulic jar |
Country Status (5)
Country | Link |
---|---|
US (1) | US5595244A (no) |
CA (1) | CA2179594C (no) |
GB (1) | GB2303655B (no) |
NO (1) | NO962898L (no) |
SG (1) | SG44963A1 (no) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5918689A (en) * | 1997-05-06 | 1999-07-06 | Houston Engineers, Inc. | Jar enhancer |
US6062324A (en) * | 1998-02-12 | 2000-05-16 | Baker Hughes Incorporated | Fluid operated vibratory oil well drilling tool |
US6035954A (en) * | 1998-02-12 | 2000-03-14 | Baker Hughes Incorporated | Fluid operated vibratory oil well drilling tool with anti-chatter switch |
US6502638B1 (en) | 1999-10-18 | 2003-01-07 | Baker Hughes Incorporated | Method for improving performance of fishing and drilling jars in deviated and extended reach well bores |
US6715962B2 (en) * | 2000-01-07 | 2004-04-06 | Smith International, Inc. | Assembly and floatation method for drilling drivepipe |
US6474421B1 (en) * | 2000-05-31 | 2002-11-05 | Baker Hughes Incorporated | Downhole vibrator |
US6866104B2 (en) * | 2002-01-31 | 2005-03-15 | Baker Hughes Incorporated | Drop in dart activated downhole vibration tool |
US6675909B1 (en) | 2002-12-26 | 2004-01-13 | Jack A. Milam | Hydraulic jar |
US7376495B2 (en) | 2004-01-20 | 2008-05-20 | Varec, Inc. | Fuel information messaging system |
US7395862B2 (en) | 2004-10-21 | 2008-07-08 | Bj Services Company | Combination jar and disconnect tool |
US8055526B2 (en) * | 2006-09-08 | 2011-11-08 | Varec, Inc. | Method for the automated dispatch of fueling operations |
US8499836B2 (en) * | 2007-10-11 | 2013-08-06 | Schlumberger Technology Corporation | Electrically activating a jarring tool |
US8011427B2 (en) * | 2009-06-03 | 2011-09-06 | Michael Shoyhetman | Double-acting jar |
US8230912B1 (en) | 2009-11-13 | 2012-07-31 | Thru Tubing Solutions, Inc. | Hydraulic bidirectional jar |
BR112012021984A2 (pt) * | 2010-03-01 | 2016-06-07 | Smith International | ferramenta percursora dentro de poço, e método de aplicação de uma força de impacto |
US8505653B2 (en) | 2010-04-01 | 2013-08-13 | Lee Oilfield Service Ltd. | Downhole apparatus |
US8695696B2 (en) | 2010-07-21 | 2014-04-15 | Lee Oilfield Services Ltd. | Jar with improved valve |
US8550155B2 (en) | 2011-03-10 | 2013-10-08 | Thru Tubing Solutions, Inc. | Jarring method and apparatus using fluid pressure to reset jar |
WO2013036805A2 (en) | 2011-09-07 | 2013-03-14 | Smith International, Inc. | Pressure lock for jars |
CA2772515C (en) * | 2012-03-23 | 2016-02-09 | Orren Johnson | Hydraulic jar with multiple high pressure chambers |
US8657007B1 (en) | 2012-08-14 | 2014-02-25 | Thru Tubing Solutions, Inc. | Hydraulic jar with low reset force |
US9494006B2 (en) | 2012-08-14 | 2016-11-15 | Smith International, Inc. | Pressure pulse well tool |
AU2014302227B2 (en) | 2013-06-26 | 2018-05-17 | Impact Selector International, Llc | Downhole-adjusting impact apparatus and methods |
US9551199B2 (en) | 2014-10-09 | 2017-01-24 | Impact Selector International, Llc | Hydraulic impact apparatus and methods |
US9631446B2 (en) | 2013-06-26 | 2017-04-25 | Impact Selector International, Llc | Impact sensing during jarring operations |
US9644441B2 (en) | 2014-10-09 | 2017-05-09 | Impact Selector International, Llc | Hydraulic impact apparatus and methods |
US9951602B2 (en) | 2015-03-05 | 2018-04-24 | Impact Selector International, Llc | Impact sensing during jarring operations |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3735827A (en) * | 1972-03-15 | 1973-05-29 | Baker Oil Tools Inc | Down-hole adjustable hydraulic fishing jar |
US3797591A (en) * | 1973-02-06 | 1974-03-19 | Baker Oil Tools Inc | Trigger mechanism for down-hole adjustable hydraulic fishing jar |
US4109736A (en) * | 1976-06-11 | 1978-08-29 | Webb Derrel D | Double acting jar |
US4200158A (en) * | 1978-03-03 | 1980-04-29 | Lee E. Perkins | Fluid retarded accelerating jar with negative and positive pressure chambers |
US4226289A (en) * | 1979-04-27 | 1980-10-07 | Webb Derrel D | Independent one-way acting hydraulic jar sections for a rotary drill string |
US4361195A (en) * | 1980-12-08 | 1982-11-30 | Evans Robert W | Double acting hydraulic mechanism |
US4456081A (en) * | 1982-08-02 | 1984-06-26 | Newman James L | Hydraulic drilling jar |
US4844183A (en) * | 1987-10-28 | 1989-07-04 | Dailey Petroleum Services, Corp. | Accelerator for fishing jar with hydrostatic assist |
US4844157A (en) * | 1988-07-11 | 1989-07-04 | Taylor William T | Jar accelerator |
GB2224764B (en) * | 1988-11-14 | 1993-03-10 | Otis Eng Co | Hydraulic up-down well jar and method of operating same |
US5033557A (en) * | 1990-05-07 | 1991-07-23 | Anadrill, Inc. | Hydraulic drilling jar |
US5086853A (en) * | 1991-03-15 | 1992-02-11 | Dailey Petroleum Services | Large bore hydraulic drilling jar |
US5174393A (en) * | 1991-07-02 | 1992-12-29 | Houston Engineers, Inc. | Hydraulic jar |
US5318139A (en) * | 1993-04-29 | 1994-06-07 | Evans Robert W | Reduced waiting time hydraulic drilling jar |
US5447196A (en) * | 1994-01-27 | 1995-09-05 | Roberts; Billy J. | Hydraulic jar |
-
1995
- 1995-07-24 US US08/505,908 patent/US5595244A/en not_active Expired - Lifetime
-
1996
- 1996-06-20 CA CA002179594A patent/CA2179594C/en not_active Expired - Lifetime
- 1996-07-10 NO NO962898A patent/NO962898L/no not_active Application Discontinuation
- 1996-07-17 GB GB9615038A patent/GB2303655B/en not_active Expired - Lifetime
- 1996-07-19 SG SG1996010267A patent/SG44963A1/en unknown
Also Published As
Publication number | Publication date |
---|---|
GB9615038D0 (en) | 1996-09-04 |
NO962898D0 (no) | 1996-07-10 |
US5595244A (en) | 1997-01-21 |
GB2303655B (en) | 1998-12-02 |
GB2303655A (en) | 1997-02-26 |
NO962898L (no) | 1997-01-27 |
CA2179594C (en) | 1998-11-03 |
CA2179594A1 (en) | 1997-01-25 |
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