GB429484A - Improvements in or relating to rotary well drilling apparatus - Google Patents
Improvements in or relating to rotary well drilling apparatusInfo
- Publication number
- GB429484A GB429484A GB3369834A GB3369834A GB429484A GB 429484 A GB429484 A GB 429484A GB 3369834 A GB3369834 A GB 3369834A GB 3369834 A GB3369834 A GB 3369834A GB 429484 A GB429484 A GB 429484A
- Authority
- GB
- United Kingdom
- Prior art keywords
- valve
- spring
- cage
- drilling apparatus
- shoulder
- 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
- 239000012530 fluid Substances 0.000 abstract 2
- 241000239290 Araneae Species 0.000 abstract 1
- 238000011010 flushing procedure Methods 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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/10—Valve arrangements in drilling-fluid circulation systems
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
429,484. Non-return valves. BAKER, R. C., Coalinga, California, U.S.A. Nov. 23, 1934, No. 33698. [Class 135] [See also Group XXI] In rotary well-drilling apparatus, between joint members 11, 12, of the drill string is arranged a body 10 with a box 14 receiving the pin 15 of the upper joint member and a chamber 18 and shoulder 19 below the box ; a spider 23 rests on shoulder 19 and has an extension 23<a> passing through a guide 25 of a valve cage 20 pressed upwardly by a spring 28, while a weaker spring 29 presses a valve 22 against a seat 21<a>, the valve having a stem 27 passing through extension 23a. A gasket 21 is fitted in the valve cage 20 between the cage and either the pin 15 or the body 10. On lowering the drill string, fluid below the valve relieves the load. Afterwards, the spring 29 yields to allow downward passage of flushing fluid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3369834A GB429484A (en) | 1934-11-23 | 1934-11-23 | Improvements in or relating to rotary well drilling apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3369834A GB429484A (en) | 1934-11-23 | 1934-11-23 | Improvements in or relating to rotary well drilling apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB429484A true GB429484A (en) | 1935-05-30 |
Family
ID=10356293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3369834A Expired GB429484A (en) | 1934-11-23 | 1934-11-23 | Improvements in or relating to rotary well drilling apparatus |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB429484A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2699179A (en) * | 1952-03-03 | 1955-01-11 | Crane Co | Pressure actuated valve |
| DE1013594B (en) * | 1956-02-27 | 1957-08-14 | Baker Oil Tools Inc | Drill pipe valve |
| GB2147641A (en) * | 1983-10-08 | 1985-05-15 | Peter John Michael Hogarth | Borehole drilling device |
-
1934
- 1934-11-23 GB GB3369834A patent/GB429484A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2699179A (en) * | 1952-03-03 | 1955-01-11 | Crane Co | Pressure actuated valve |
| DE1013594B (en) * | 1956-02-27 | 1957-08-14 | Baker Oil Tools Inc | Drill pipe valve |
| GB2147641A (en) * | 1983-10-08 | 1985-05-15 | Peter John Michael Hogarth | Borehole drilling device |
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