IT943913B - Dispositivo per mantenere sostan zialmente costante la tensione esercitata su una linea flessibile - Google Patents
Dispositivo per mantenere sostan zialmente costante la tensione esercitata su una linea flessibileInfo
- Publication number
- IT943913B IT943913B IT32338/71A IT3233871A IT943913B IT 943913 B IT943913 B IT 943913B IT 32338/71 A IT32338/71 A IT 32338/71A IT 3233871 A IT3233871 A IT 3233871A IT 943913 B IT943913 B IT 943913B
- Authority
- IT
- Italy
- Prior art keywords
- exercised
- maintaining
- voltage
- constant
- flexible line
- 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
- 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
- E21B19/09—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 specially adapted for drilling underwater formations from a floating support using heave compensators supporting the drill string
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
- B63B21/56—Towing or pushing equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/02—Devices for facilitating retrieval of floating objects, e.g. for recovering crafts from water
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S254/00—Implements or apparatus for applying pushing or pulling force
- Y10S254/90—Cable pulling drum having wave motion responsive actuator for operating drive or rotation retarding means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR707045510A FR2126908B2 (it) | 1970-12-16 | 1970-12-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT943913B true IT943913B (it) | 1973-04-10 |
Family
ID=9065951
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT32338/71A IT943913B (it) | 1970-12-16 | 1971-12-14 | Dispositivo per mantenere sostan zialmente costante la tensione esercitata su una linea flessibile |
Country Status (5)
Country | Link |
---|---|
US (1) | US3749367A (it) |
FR (1) | FR2126908B2 (it) |
GB (1) | GB1338177A (it) |
IT (1) | IT943913B (it) |
NL (1) | NL7116752A (it) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3791628A (en) * | 1972-07-26 | 1974-02-12 | Ocean Science & Eng | Motion compensated crown block system |
US3865066A (en) * | 1973-08-22 | 1975-02-11 | Rucker Co | Tension mooring device |
FR2299262A1 (fr) * | 1975-01-30 | 1976-08-27 | Maldonado Manuel | Moteur lineaire |
US4021019A (en) * | 1975-03-24 | 1977-05-03 | British Columbia Research Council | Heave compensating cranes |
FR2405206A1 (fr) * | 1977-10-04 | 1979-05-04 | Simon Francois | Equipement de levage, notamment pour travaux sur l'eau |
US4212576A (en) * | 1978-03-02 | 1980-07-15 | George Albert L | Pipe handling apparatus |
FR2423392A1 (fr) * | 1978-04-20 | 1979-11-16 | Cit Alcatel | Dispositif pour stabiliser un batiment flottant sur l'eau |
NL8302006A (nl) * | 1983-06-06 | 1985-01-02 | Hydraudyne Bv | Hijsinrichting met gecompenseerde takel. |
FR2575452B1 (fr) * | 1984-12-28 | 1987-11-13 | Inst Francais Du Petrole | Methode et dispositif pour soustraire un element accroche a une installation mobile aux mouvements de cette installation |
US4883388A (en) * | 1985-10-03 | 1989-11-28 | Cherbonnier T Dave | Load compensating system |
US4662786A (en) * | 1985-10-03 | 1987-05-05 | Cherbonnier T Dave | Dynamic load compensating system |
US4886397A (en) * | 1987-08-27 | 1989-12-12 | Cherbonnier T Dave | Dynamic load compensating system |
FR2837483A1 (fr) * | 2002-03-25 | 2003-09-26 | Conseils Et D Assistance Des T | Installation pour soulever et abaisser une charge |
NO20151605A1 (no) * | 2015-11-25 | 2017-02-13 | Rolls Royce Marine As | System og spoleapparat for spoling av et tau på en vinsjtrommel |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3304061A (en) * | 1965-07-23 | 1967-02-14 | Edgar C Seward | Hoisting device |
US3549129A (en) * | 1968-09-03 | 1970-12-22 | Global Marine Inc | Motion dampening device |
NL143022B (nl) * | 1968-12-04 | 1974-08-15 | Ihc Holland Nv | Deiningscompensatie-inrichting. |
US3662991A (en) * | 1970-04-07 | 1972-05-16 | Rostislav Ivanovich Lakiza | Crane device for preventing collision of load with seacraft in rough weather |
-
1970
- 1970-12-16 FR FR707045510A patent/FR2126908B2/fr not_active Expired
-
1971
- 1971-12-06 NL NL7116752A patent/NL7116752A/xx unknown
- 1971-12-08 US US00205922A patent/US3749367A/en not_active Expired - Lifetime
- 1971-12-10 GB GB5756571A patent/GB1338177A/en not_active Expired
- 1971-12-14 IT IT32338/71A patent/IT943913B/it active
Also Published As
Publication number | Publication date |
---|---|
FR2126908B2 (it) | 1974-07-05 |
NL7116752A (it) | 1972-06-20 |
GB1338177A (en) | 1973-11-21 |
FR2126908A2 (it) | 1972-10-13 |
US3749367A (en) | 1973-07-31 |
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