FIELD: oil and gas industry.
SUBSTANCE: system contains at least one modular shaft with the central unit placed under water and an uprise buried to the ocean bottom and at least one air-lock chamber to transport duty shifts of workers, materials and equipment. Besides the system comprises at least one drilling area with a horizontal tunnel branched from the uprise in the central unit, and an inclined area for delivery of drill pipes and a vertical area in which bottom part there is a wellhead of at least one well. A power cable and control systems as well as pipeline in the protective shell for oil and gas transportation are connected to the modular shaft.
EFFECT: increasing development efficiency of subsea oil and gas deposits.
9 cl, 56 dwg
| Title | Year | Author | Number | 
|---|---|---|---|
| MARINE AUTONOMOUS COMPLEX | 2003 | 
 | RU2268840C2 | 
| COMPLEX FOR DEVELOPMENT OF SUB-SEA DEPOSITS OF MINERALS | 2006 | 
 | RU2349489C2 | 
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 | RU2140527C1 | 
| UNDERWATER RIG FOR DEVELOPMENT OF HYDROCARBONS (OIL AND GAS) DEPOSITS IN ARCTIC SHELF | 2012 | 
 | RU2507382C1 | 
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 | RU2333864C1 | 
| SHIP FOR UNDERWATER OIL PRODUCTION PLATFORM SUPPLY | 2012 | 
 | RU2498923C2 | 
| UNDERWATER DRILLING RIG AND SUPPORTING PLATFORM FOR IT | 1995 | 
 | RU2081289C1 | 
| MARINE PLATFORM FOR EXTRACTION, STORAGE AND DISCHARGE USED IN ICE AND OPEN WATER (VERSIONS) | 2008 | 
 | RU2478516C1 | 
| FPSO PLATFORM | 2010 | 
 | RU2441129C1 | 
| DEVELOPMENT OF MARINE DEEP SEA OIL-AND-GAS DEPOSITS | 2013 | 
 | RU2547161C2 | 
Authors
Dates
2014-12-27—Published
2013-09-06—Filed