SE9001127D0 - Reglersystem med ventilenhet och foerfarande foer borrning - Google Patents
Reglersystem med ventilenhet och foerfarande foer borrningInfo
- Publication number
- SE9001127D0 SE9001127D0 SE9001127A SE9001127A SE9001127D0 SE 9001127 D0 SE9001127 D0 SE 9001127D0 SE 9001127 A SE9001127 A SE 9001127A SE 9001127 A SE9001127 A SE 9001127A SE 9001127 D0 SE9001127 D0 SE 9001127D0
- Authority
- SE
- Sweden
- Prior art keywords
- conduit
- pressure
- fluid
- valve
- control system
- Prior art date
Links
- 238000005553 drilling Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 239000012530 fluid Substances 0.000 abstract 4
- 238000006073 displacement reaction Methods 0.000 abstract 2
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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
- E21B19/086—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods with a fluid-actuated cylinder
-
- 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
- E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
- E21B44/02—Automatic control of the tool feed
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
- Fluid-Pressure Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/398,414 US5033266A (en) | 1989-08-25 | 1989-08-25 | Overcenter valve control system and method for drilling |
Publications (2)
Publication Number | Publication Date |
---|---|
SE9001127D0 true SE9001127D0 (sv) | 1990-03-28 |
SE9001127L SE9001127L (sv) | 1991-02-26 |
Family
ID=23575299
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9001127A SE9001127L (sv) | 1989-08-25 | 1990-03-28 | Reglersystem med ventilenhet och foerfarande foer borrning |
Country Status (7)
Country | Link |
---|---|
US (1) | US5033266A (sv) |
AU (1) | AU638975B2 (sv) |
CA (1) | CA2019635C (sv) |
DE (1) | DE4026696A1 (sv) |
FI (1) | FI904209A0 (sv) |
GB (1) | GB2235227B (sv) |
SE (1) | SE9001127L (sv) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2165936C (en) | 1995-12-21 | 2000-09-26 | Bert Stahl | Method and apparatus for controlling diamond drill feed |
CN102777439B (zh) * | 2012-07-17 | 2015-07-08 | 安徽铜冠机械股份有限公司 | 一种用于潜孔钻机的推进油缸控制油路 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2153056A (en) * | 1936-08-07 | 1939-04-04 | Lapointe Machine Tool Co | Hydraulic drive for machine tools |
US2285069A (en) * | 1937-09-29 | 1942-06-02 | Vickers Inc | Hydraulic feed control system |
US2457467A (en) * | 1945-03-08 | 1948-12-28 | Cons Vultee Aircraft Corp | Electrically and hydraulically operated extensible strut |
GB742783A (en) * | 1951-08-24 | 1956-01-04 | Vickers Armstrongs Ltd | Improvements in or relating to hydraulic control systems |
US3155171A (en) * | 1963-07-15 | 1964-11-03 | Ingersoll Rand Co | Feed control means for down-the-hole rock drill rigs |
US3283668A (en) * | 1965-03-01 | 1966-11-08 | Suomen Autoteollisuus Ab Oy | Hydraulic motor with piston holding means |
US3747351A (en) * | 1971-10-22 | 1973-07-24 | Bertea Corp | Hydraulic system |
GB1365450A (en) * | 1972-06-19 | 1974-09-04 | Ingersoll Rand Co | Automatic feed control system for earth drilling machines |
US3823784A (en) * | 1973-06-08 | 1974-07-16 | Dresser Ind | Method and apparatus for controlling hydraulic drifters |
US3864911A (en) * | 1974-02-14 | 1975-02-11 | Gen Cable Corp | Hydraulic System with Bi-Rotational Pump |
DE2855575C2 (de) * | 1978-12-22 | 1985-11-21 | Salzgitter Maschinen Und Anlagen Ag, 3320 Salzgitter | Hydraulische Bohrmaschine |
DE2911891C2 (de) * | 1979-03-26 | 1983-10-13 | Mannesmann Rexroth GmbH, 8770 Lohr | Vorrichtung zum Steuern eines Hydromotors |
US4569272A (en) * | 1982-03-22 | 1986-02-11 | Vickers, Incorporated | Power transmission |
-
1989
- 1989-08-25 US US07/398,414 patent/US5033266A/en not_active Expired - Lifetime
-
1990
- 1990-03-19 AU AU51497/90A patent/AU638975B2/en not_active Ceased
- 1990-03-27 GB GB9006857A patent/GB2235227B/en not_active Expired - Fee Related
- 1990-03-28 SE SE9001127A patent/SE9001127L/sv not_active Application Discontinuation
- 1990-06-22 CA CA002019635A patent/CA2019635C/en not_active Expired - Fee Related
- 1990-08-23 DE DE4026696A patent/DE4026696A1/de not_active Withdrawn
- 1990-08-24 FI FI904209A patent/FI904209A0/fi not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
US5033266A (en) | 1991-07-23 |
GB2235227A (en) | 1991-02-27 |
CA2019635A1 (en) | 1991-02-25 |
AU638975B2 (en) | 1993-07-15 |
GB9006857D0 (en) | 1990-05-23 |
SE9001127L (sv) | 1991-02-26 |
DE4026696A1 (de) | 1991-02-28 |
GB2235227B (en) | 1993-04-07 |
AU5149790A (en) | 1991-02-28 |
FI904209A0 (fi) | 1990-08-24 |
CA2019635C (en) | 1995-12-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAV | Patent application has lapsed |
Ref document number: 9001127-1 Effective date: 19911219 Format of ref document f/p: F |