NO801657L - Bor-frigjoeringsinnretning. - Google Patents
Bor-frigjoeringsinnretning.Info
- Publication number
- NO801657L NO801657L NO801657A NO801657A NO801657L NO 801657 L NO801657 L NO 801657L NO 801657 A NO801657 A NO 801657A NO 801657 A NO801657 A NO 801657A NO 801657 L NO801657 L NO 801657L
- Authority
- NO
- Norway
- Prior art keywords
- bodies
- passage
- devices
- chamber
- fluid
- Prior art date
Links
- 239000012530 fluid Substances 0.000 claims description 36
- 230000009467 reduction Effects 0.000 claims description 18
- 230000005684 electric field Effects 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 4
- 230000001419 dependent effect Effects 0.000 claims description 3
- 230000003213 activating effect Effects 0.000 claims description 2
- 230000007423 decrease Effects 0.000 claims 1
- 239000007788 liquid Substances 0.000 description 9
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 5
- 229910052796 boron Inorganic materials 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000005553 drilling Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/53—Means for adjusting damping characteristics by varying fluid viscosity, e.g. electromagnetically
- F16F9/532—Electrorheological [ER] fluid dampers
-
- 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
- E21B31/005—Fishing for or freeing objects in boreholes or wells using vibrating or oscillating means
-
- 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)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Physics & Mathematics (AREA)
- Geochemistry & Mineralogy (AREA)
- Marine Sciences & Fisheries (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Electromagnetism (AREA)
- Earth Drilling (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Compounds Of Unknown Constitution (AREA)
- Percussive Tools And Related Accessories (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB7919473A GB2050466A (en) | 1979-06-04 | 1979-06-04 | Drilling jar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO801657L true NO801657L (no) | 1980-12-05 |
Family
ID=10505639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO801657A NO801657L (no) | 1979-06-04 | 1980-06-03 | Bor-frigjoeringsinnretning. |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0020091A1 (fr) |
| GB (1) | GB2050466A (fr) |
| NO (1) | NO801657L (fr) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6568470B2 (en) * | 2001-07-27 | 2003-05-27 | Baker Hughes Incorporated | Downhole actuation system utilizing electroactive fluids |
| US7287604B2 (en) | 2003-09-15 | 2007-10-30 | Baker Hughes Incorporated | Steerable bit assembly and methods |
| US7341116B2 (en) | 2005-01-20 | 2008-03-11 | Baker Hughes Incorporated | Drilling efficiency through beneficial management of rock stress levels via controlled oscillations of subterranean cutting elements |
| US8443875B2 (en) | 2007-07-25 | 2013-05-21 | Smith International, Inc. | Down hole tool with adjustable fluid viscosity |
| US7971662B2 (en) | 2008-09-25 | 2011-07-05 | Baker Hughes Incorporated | Drill bit with adjustable steering pads |
| US9915138B2 (en) | 2008-09-25 | 2018-03-13 | Baker Hughes, A Ge Company, Llc | Drill bit with hydraulically adjustable axial pad for controlling torsional fluctuations |
| US8205686B2 (en) | 2008-09-25 | 2012-06-26 | Baker Hughes Incorporated | Drill bit with adjustable axial pad for controlling torsional fluctuations |
| US8061455B2 (en) | 2009-02-26 | 2011-11-22 | Baker Hughes Incorporated | Drill bit with adjustable cutters |
| US8087479B2 (en) | 2009-08-04 | 2012-01-03 | Baker Hughes Incorporated | Drill bit with an adjustable steering device |
| CN111119777B (zh) * | 2019-12-24 | 2022-04-08 | 中石化石油工程技术服务有限公司 | 一种射孔震击器 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB756107A (en) * | 1953-07-29 | 1956-08-29 | Nat Res Dev | Improvements in and relating to shock absorbers or dampers |
| US3006656A (en) * | 1955-09-19 | 1961-10-31 | Schaub Benton Hall | Automatic accessory control for magnetic particle shock absorbers |
| US2894724A (en) * | 1956-09-07 | 1959-07-14 | Thomas A Andrew | Hydraulic vibratory jar |
| US3570611A (en) * | 1968-02-09 | 1971-03-16 | Trustul Deforaj Pitesti | Device for freeing seized drill strings |
| GB1282568A (en) * | 1968-12-11 | 1972-07-19 | Laser Engineering Developments | Improvements in or relating to dampers |
| US3851717A (en) * | 1973-11-15 | 1974-12-03 | Baker Oil Tools Inc | Substantially constant time delay fishing jar |
| GB2039567B (en) * | 1979-01-16 | 1983-01-06 | Intorola Ltd | Drill spring for use in borehole drilling |
-
1979
- 1979-06-04 GB GB7919473A patent/GB2050466A/en not_active Withdrawn
-
1980
- 1980-05-22 EP EP80301693A patent/EP0020091A1/fr not_active Ceased
- 1980-06-03 NO NO801657A patent/NO801657L/no unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB2050466A (en) | 1981-01-07 |
| EP0020091A1 (fr) | 1980-12-10 |
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