GB1320048A - Single-roller core bit - Google Patents
Single-roller core bitInfo
- Publication number
- GB1320048A GB1320048A GB1320048DA GB1320048A GB 1320048 A GB1320048 A GB 1320048A GB 1320048D A GB1320048D A GB 1320048DA GB 1320048 A GB1320048 A GB 1320048A
- Authority
- GB
- United Kingdom
- Prior art keywords
- inserts
- axle
- core
- roller
- core bit
- 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
- E21B10/00—Drill bits
- E21B10/02—Core bits
- E21B10/06—Roller core bits
-
- 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
- E21B10/00—Drill bits
- E21B10/08—Roller bits
Abstract
1320048 Boring earth &c SEVERO-KAVKAZSKY GOSUDARSTVENNY NAUCHNO ISSLEDOVATELSKY I PROEKTNY INSTITUT NEFTYANOI PROMYSHLENNOSTI 23 Nov 1971 54332/71 Heading E1F In the use of a core bit comprising a body 1, a stub-axle 3 inclined to the body, a roller 8 on the axle, rings 9-13 of inserts on the roller, and a group 17 of inserts at the end of the axle, the group 17 of inserts cleans up the core cut by the inserts of the ring 13. Washing channels 5, 15, and a core breaker 4 are provided. A pocket 19 prevents debris entering between the axle and the core.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB5433271 | 1971-11-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1320048A true GB1320048A (en) | 1973-06-13 |
Family
ID=10470664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1320048D Expired GB1320048A (en) | 1971-11-23 | 1971-11-23 | Single-roller core bit |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1320048A (en) |
-
1971
- 1971-11-23 GB GB1320048D patent/GB1320048A/en not_active Expired
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |