GB244696A - Improvements in or relating to jars for use in rotary well drilling and like operations - Google Patents
Improvements in or relating to jars for use in rotary well drilling and like operationsInfo
- Publication number
- GB244696A GB244696A GB10701/25A GB1070125A GB244696A GB 244696 A GB244696 A GB 244696A GB 10701/25 A GB10701/25 A GB 10701/25A GB 1070125 A GB1070125 A GB 1070125A GB 244696 A GB244696 A GB 244696A
- Authority
- GB
- United Kingdom
- Prior art keywords
- chamber
- well drilling
- hammer
- parts
- jars
- 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 3
- 239000010985 leather Substances 0.000 abstract 1
- 238000012856 packing Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 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
- E21B31/00—Fishing for or freeing objects in boreholes or wells
- E21B31/107—Fishing for or freeing objects in boreholes or wells using impact means for releasing stuck parts, e.g. jars
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Marine Sciences & Fisheries (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
244,696. Kammerliner, J. A. Dec. 26, 1924, [Convention date]. Bore - hole apparatus. - A fishing jar for use in rotary well drilling &c. and adapted for water circulation comprises a chamber 7 with an anvil 13 and an inner member 14 with a hammer 12, parts on opposite sides of the hammer being of the same diameter so that the free space in the chamber 7 is con. stant; the chamber 7 and member 14 have corresponding mutilated threads 10, 17 closed at one end by fillets 11, and the member 14 terminates in a-plunger 18 working in a chamber 9 and provided with cup leather packings 19. On engaging the mutilated threads a rotary drive may be communicated, or by applying tension to the drilling string containing the jar and then rotating the chamber 7 relative to the members 14, the threaded connection is freed and impact occurs between the parts 12, 13. such impact being utilized to free stuck drills &c. Specification 227,798 is referred to.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US244696XA | 1924-12-16 | 1924-12-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB244696A true GB244696A (en) | 1926-01-07 |
Family
ID=21820737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB10701/25A Expired GB244696A (en) | 1924-12-16 | 1925-04-24 | Improvements in or relating to jars for use in rotary well drilling and like operations |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB244696A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1185134B (en) * | 1956-10-05 | 1965-01-14 | Demag Ag | Pneumatic hammer for flat bores for arrangement in the borehole |
-
1925
- 1925-04-24 GB GB10701/25A patent/GB244696A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1185134B (en) * | 1956-10-05 | 1965-01-14 | Demag Ag | Pneumatic hammer for flat bores for arrangement in the borehole |
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