GB357912A - Improvements in rotary well drilling equipment - Google Patents
Improvements in rotary well drilling equipmentInfo
- Publication number
- GB357912A GB357912A GB2020/31A GB202031A GB357912A GB 357912 A GB357912 A GB 357912A GB 2020/31 A GB2020/31 A GB 2020/31A GB 202031 A GB202031 A GB 202031A GB 357912 A GB357912 A GB 357912A
- Authority
- GB
- United Kingdom
- Prior art keywords
- drilling equipment
- well drilling
- rotary
- class
- rotary well
- 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 abstract 2
- 238000005065 mining Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/14—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates
- H01F41/16—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates the magnetic material being applied in the form of particles, e.g. by serigraphy, to form thick magnetic films or precursors therefor
-
- 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
- E21B3/00—Rotary drilling
- E21B3/02—Surface drives for rotary drilling
- E21B3/04—Rotary tables
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Power Engineering (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
357,912. Well-drilling plant. NATIONAL SUPPLY CORPORATION, 120, Broadway, New York, U.S.A. Jan. 21, 1931, No. 2020. Convention date, Oct. 20, 1930. [Class 85.] In a rotary welldrilling plant, the split bushings 4, 5 are held in the rotary table 1 by centrally - bowed locking bars 6 with hooked ends engaging L-slots 12 formed partly in the table and partly in the bushing 4. Specification 214,605, [Class 85, Mining &c.], is referred to.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US357912XA | 1930-10-20 | 1930-10-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB357912A true GB357912A (en) | 1931-10-01 |
Family
ID=21884803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2020/31A Expired GB357912A (en) | 1930-10-20 | 1931-01-21 | Improvements in rotary well drilling equipment |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR357912A (en) |
| GB (1) | GB357912A (en) |
-
1905
- 1905-09-21 FR FR357912D patent/FR357912A/en not_active Expired
-
1931
- 1931-01-21 GB GB2020/31A patent/GB357912A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR357912A (en) | 1906-01-20 |
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