IT986033B - Valvola a sfera con sigillo resiliente - Google Patents
Valvola a sfera con sigillo resilienteInfo
- Publication number
- IT986033B IT986033B IT54420/72A IT5442072A IT986033B IT 986033 B IT986033 B IT 986033B IT 54420/72 A IT54420/72 A IT 54420/72A IT 5442072 A IT5442072 A IT 5442072A IT 986033 B IT986033 B IT 986033B
- Authority
- IT
- Italy
- Prior art keywords
- ball valve
- resilient seal
- resilient
- seal
- ball
- Prior art date
Links
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
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/06—Valve arrangements for boreholes or wells in wells
- E21B34/10—Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole
-
- 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
- E21B2200/00—Special features related to earth drilling for obtaining oil, gas or water
- E21B2200/04—Ball valves
Landscapes
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Taps Or Cocks (AREA)
- Mechanically-Actuated Valves (AREA)
- Multiple-Way Valves (AREA)
- Braking Arrangements (AREA)
- Check Valves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US23692972A | 1972-03-22 | 1972-03-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT986033B true IT986033B (it) | 1975-01-10 |
Family
ID=22891583
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT54420/72A IT986033B (it) | 1972-03-22 | 1972-12-01 | Valvola a sfera con sigillo resiliente |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS5441003B2 (me) |
CA (1) | CA960637A (me) |
DE (1) | DE2313937C3 (me) |
FR (1) | FR2176659B1 (me) |
GB (2) | GB1390050A (me) |
IT (1) | IT986033B (me) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5085371A (me) * | 1973-11-28 | 1975-07-09 | ||
US4062406A (en) * | 1976-10-15 | 1977-12-13 | Baker International Corporation | Valve and lubricator apparatus |
ES507768A0 (es) * | 1980-12-09 | 1982-11-16 | Schlumberger Technology Corp | Un conjunto de asiento y sellamiento adaptado para ser utilizado con un elemento de valvula esferica . |
US5050839A (en) * | 1989-02-15 | 1991-09-24 | Otis Engineering Corporation | Valve |
GB0423015D0 (en) | 2004-10-16 | 2004-11-17 | Enovate Systems Ltd | Improved ball valve |
US7469708B2 (en) * | 2004-12-21 | 2008-12-30 | Fisher Controls International Llc | Universal fluid valve body |
CN107387002B (zh) * | 2017-08-31 | 2023-03-24 | 成都西南石大石油工程技术有限公司 | 一种双通道旋塞阀 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3233860A (en) * | 1962-04-16 | 1966-02-08 | Otis Eng Co | Ball valve improvement |
US3249124A (en) * | 1963-06-14 | 1966-05-03 | Schlumberger Well Surv Corp | Borehole apparatus valves |
US3583442A (en) * | 1968-12-23 | 1971-06-08 | Otis Eng Co | Rotary valves |
-
1972
- 1972-12-01 IT IT54420/72A patent/IT986033B/it active
- 1972-12-13 FR FR7244402A patent/FR2176659B1/fr not_active Expired
- 1972-12-14 GB GB2578374A patent/GB1390050A/en not_active Expired
- 1972-12-14 GB GB5773772A patent/GB1390049A/en not_active Expired
- 1972-12-20 JP JP12806072A patent/JPS5441003B2/ja not_active Expired
- 1972-12-22 CA CA159,799A patent/CA960637A/en not_active Expired
-
1973
- 1973-03-21 DE DE2313937A patent/DE2313937C3/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2313937B2 (de) | 1975-03-06 |
JPS5441003B2 (me) | 1979-12-06 |
GB1390049A (en) | 1975-04-09 |
DE2313937A1 (de) | 1973-09-27 |
GB1390050A (en) | 1975-04-09 |
CA960637A (en) | 1975-01-07 |
FR2176659B1 (me) | 1976-08-20 |
FR2176659A1 (me) | 1973-11-02 |
JPS4913727A (me) | 1974-02-06 |
DE2313937C3 (de) | 1975-10-23 |
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