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Deepwater underwater oil-storage petroleum production device with a dynamic positioning buoy

A technology of dynamic positioning and production equipment, which is applied in the direction of mining fluid, wellbore/well components, earthwork drilling and production, etc. It can solve the problem of only applicable production mode, and achieve the effect of reducing cost, reducing air pollution, and reducing the risk of explosion

Inactive Publication Date: 2010-03-17
SHENGLI PETROLEUM ADMINISTRATION BUREAU DRILLING TECH ACAD SINOPEC
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Problems solved by technology

The "Underwater Oil Production Guarantee System" (application number 200520083519.7) declared by our unit also uses underwater oil storage, and its production mode is only suitable for shallow seas

Method used

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  • Deepwater underwater oil-storage petroleum production device with a dynamic positioning buoy

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Embodiment Construction

[0016] Now combined with the manual figure 1 , the present invention is further described:

[0017] A deepwater underwater oil storage oil production device with dynamic positioning buoys. The whole system includes an underwater wellhead module 1, an underwater processing module 2, an oil-water replacement underwater oil storage module 3, a deepwater riser 4, and a dynamic positioning buoy 5 , shuttle tanker 6; the underwater wellhead module 1, the underwater processing module 2, and the oil-water replacement underwater oil storage module 3 are all located on the seabed and connected in series; The lower oil storage module 3 is connected, and the other end is connected with the dynamic positioning buoy 5; the shuttle tanker 6 is moored on the dynamic positioning buoy 5 when loading oil.

[0018] Considering the cost and technical problems, when the water depth is greater than 1500m, the current marine engineering field generally no longer uses lanyards to locate large floatin...

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Abstract

The invention relates to a deepwater underwater oil-storage petroleum production device with a dynamic positioning buoy. A complete system comprises an underwater wellhead module, an underwater processing module, an oil-water replacement underwater oil-storage module, a deepwater upright tube, a dynamic positioning buoy and a shuttle tanker, wherein the underwater wellhead module, the underwater processing module and the oil-water replacement underwater oil-storage module are all arranged at the seabed and are connected in series; the dynamic positioning buoy floats on the water surface; one end of the deepwater upright tube is connected with the underwater storage module, and the other end is connected with the dynamic positioning buoy; and the shuttle tanker is tied and parked on the dynamic positioning buoy when the oil is filled. The device can replace a floating production system to develop the offshore oil in the deep sea, basically avoid the ice force, the wind wave force and the like suffered by the floating production system and greatly avoid the production halts in order to take shelter from the wind, and has better benefit in particular in the water of which depth is more than 500 meters.

Description

Technical field: [0001] The invention belongs to the field of marine engineering and develops an underwater oil storage oil production device for deep water. Background technique: [0002] Traditional oil storage and production systems in deep sea oil development mainly include floating production systems and semi-submersible production platforms, both of which belong to floating oil storage and production models. The floating production mode can be regarded as a mature technology in the world and has many advantages. However, due to the huge force of sea waves, both the offshore structure and its tethering system are expensive, and with the increase of water depth, technical difficulties Higher and higher, the cost of facilities has risen sharply. On the seabed of deep sea oilfields, the effect of wind and waves is almost negligible. Under the premise of solving the problem of primary treatment of oil and gas under underwater high pressure conditions, the underwater gather...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B43/01
Inventor 徐松森丁忠军张红胜田凯柏健孙永泰初新杰
Owner SHENGLI PETROLEUM ADMINISTRATION BUREAU DRILLING TECH ACAD SINOPEC
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