GB2048340B - Centring and guidance device for drilling rods - Google Patents
Centring and guidance device for drilling rodsInfo
- Publication number
- GB2048340B GB2048340B GB8012720A GB8012720A GB2048340B GB 2048340 B GB2048340 B GB 2048340B GB 8012720 A GB8012720 A GB 8012720A GB 8012720 A GB8012720 A GB 8012720A GB 2048340 B GB2048340 B GB 2048340B
- Authority
- GB
- United Kingdom
- Prior art keywords
- centring
- guidance device
- drilling rods
- drilling
- rods
- 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.)
- Expired
Links
- 238000005553 drilling Methods 0.000 title 1
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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
- E21B17/1014—Flexible or expansible centering means, e.g. with pistons pressing against the wall of the well
-
- 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/04—Directional drilling
- E21B7/06—Deflecting the direction of boreholes
- E21B7/062—Deflecting the direction of boreholes the tool shaft rotating inside a non-rotating guide travelling with the shaft
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (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)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Drilling And Boring (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19792920126 DE2920126A1 (en) | 1979-05-18 | 1979-05-18 | CENTERING AND GUIDE DEVICE FOR DRILL RODS FOR GROUND DRILLING |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2048340A GB2048340A (en) | 1980-12-10 |
GB2048340B true GB2048340B (en) | 1983-01-26 |
Family
ID=6071088
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8012720A Expired GB2048340B (en) | 1979-05-18 | 1980-04-17 | Centring and guidance device for drilling rods |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS5837477B2 (en) |
DE (1) | DE2920126A1 (en) |
FR (1) | FR2456832A1 (en) |
GB (1) | GB2048340B (en) |
IT (2) | IT1130807B (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NO152762C (en) * | 1981-10-22 | 1985-11-13 | Bever Control As | PROCEDURE FOR DRILLING IN THE MOUNTAIN AND DEVICE FOR IMPLEMENTING THE PROCEDURE. |
US4463814A (en) * | 1982-11-26 | 1984-08-07 | Advanced Drilling Corporation | Down-hole drilling apparatus |
JPS60136195A (en) * | 1983-12-23 | 1985-07-19 | 松下電器産業株式会社 | Flexible heat generator |
GB2177738B (en) * | 1985-07-13 | 1988-08-03 | Cambridge Radiation Tech | Control of drilling courses in the drilling of bore holes |
GB2204895B (en) * | 1987-05-21 | 1991-11-27 | Stephen Francis Lloyd | Drill pipe tubing and casing protectors |
BE1001450A3 (en) * | 1988-02-12 | 1989-10-31 | Smet Marc Jozef Maria | Tunnelling machine with jet nozzle - has remote-controlled units on head selectively varying body shape |
GB9321257D0 (en) * | 1993-10-14 | 1993-12-01 | Rototec Limited | Drill pipe tubing and casing protectors |
GB0712345D0 (en) * | 2007-06-26 | 2007-08-01 | Metcalfe Paul D | Downhole apparatus |
NO333200B1 (en) * | 2008-10-06 | 2013-04-08 | Nat Oilwell Varco Norway As | Centering mechanism for rudder |
FR3056264B1 (en) * | 2016-09-22 | 2020-05-22 | Pcm Technologies | PUMPING SYSTEM AND METHOD FOR INSTALLING SUCH A PUMPING SYSTEM |
CN109594934B (en) * | 2019-02-19 | 2020-05-12 | 延安大学 | Oil rod centralizer |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2352412A (en) * | 1939-08-28 | 1944-06-27 | Sandstone Harvey David | Casing protector and booster |
FR993207A (en) * | 1949-06-11 | 1951-10-29 | Frankignoul Pieux Armes | Device for drilling wells in the ground |
US2946578A (en) * | 1952-08-04 | 1960-07-26 | Smaele Albert De | Excavator apparatus having stepper type advancing means |
FR1247454A (en) * | 1959-10-22 | 1960-12-02 | Device for guiding a drilling tool | |
FR2052062A5 (en) * | 1969-07-10 | 1971-04-09 | Schlumberger Prospection | |
JPS4881301A (en) * | 1972-01-29 | 1973-10-31 | ||
JPS48103602U (en) * | 1972-03-09 | 1973-12-04 | ||
US3995479A (en) * | 1974-11-01 | 1976-12-07 | Schlumberger Technology Corporation | Apparatus for protecting downhole instruments from torsional and lateral movements |
US4095655A (en) * | 1975-10-14 | 1978-06-20 | Still William L | Earth penetration |
-
1979
- 1979-05-18 DE DE19792920126 patent/DE2920126A1/en not_active Withdrawn
-
1980
- 1980-04-16 FR FR8008505A patent/FR2456832A1/en active Granted
- 1980-04-17 GB GB8012720A patent/GB2048340B/en not_active Expired
- 1980-04-23 IT IT67639/80A patent/IT1130807B/en active
- 1980-04-23 IT IT8053156U patent/IT8053156V0/en unknown
- 1980-05-16 JP JP55065169A patent/JPS5837477B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5837477B2 (en) | 1983-08-16 |
FR2456832A1 (en) | 1980-12-12 |
DE2920126A1 (en) | 1980-11-27 |
GB2048340A (en) | 1980-12-10 |
IT1130807B (en) | 1986-06-18 |
JPS55159094A (en) | 1980-12-10 |
IT8067639A0 (en) | 1980-04-23 |
IT8053156V0 (en) | 1980-04-23 |
FR2456832B1 (en) | 1984-04-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |