FR1008111A - Device for advancing rotary perforators - Google Patents
Device for advancing rotary perforatorsInfo
- Publication number
- FR1008111A FR1008111A FR1008111DA FR1008111A FR 1008111 A FR1008111 A FR 1008111A FR 1008111D A FR1008111D A FR 1008111DA FR 1008111 A FR1008111 A FR 1008111A
- Authority
- FR
- France
- Prior art keywords
- perforators
- advancing rotary
- advancing
- rotary perforators
- rotary
- 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
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B19/081—Screw-and-nut feed mechanisms
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1008111X | 1949-01-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1008111A true FR1008111A (en) | 1952-05-14 |
Family
ID=10867748
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1008111D Expired FR1008111A (en) | 1949-01-12 | 1950-01-09 | Device for advancing rotary perforators |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE493209A (en) |
DE (1) | DE809182C (en) |
FR (1) | FR1008111A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5393175A (en) * | 1993-06-18 | 1995-02-28 | Courville; Leo | Diamond core drill |
-
0
- BE BE493209D patent/BE493209A/xx unknown
-
1950
- 1950-01-09 FR FR1008111D patent/FR1008111A/en not_active Expired
- 1950-01-12 DE DEV335A patent/DE809182C/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE809182C (en) | 1951-07-23 |
BE493209A (en) |
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