Offshore water sound positioning beacon throwing method, recovery method and withdrawing and placing method

A positioning beacon and delivery method technology, applied in transportation and packaging, underwater operation equipment, ships, etc., can solve the problems affecting the timeliness of drilling operations, etc., to achieve the effect of shortening the delivery time, shortening the recovery time, and improving the timeliness

Pending Publication Date: 2020-01-10
CHINA NAT OFFSHORE OIL CORP +1
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  • Application Information

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Problems solved by technology

According to statistics, the time of ROV loading and launching generally accounts for 50% to 70% of the total marking operation time,

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  • Offshore water sound positioning beacon throwing method, recovery method and withdrawing and placing method
  • Offshore water sound positioning beacon throwing method, recovery method and withdrawing and placing method
  • Offshore water sound positioning beacon throwing method, recovery method and withdrawing and placing method

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Embodiment Construction

[0032] In order to make the purpose, technical solutions and advantages of this document clearer, the embodiments of this document will be described in detail below with reference to the accompanying drawings. It should be noted that the embodiments in the application and the features in the embodiments can be combined with each other arbitrarily if there is no conflict.

[0033] In the following description, many specific details are set forth in order to fully understand this article. However, this article can also be implemented in other ways different from those described here. Therefore, the scope of protection of this article is not limited by the specific embodiments disclosed below. .

[0034] The positioning beacon retracting device provided by the embodiment of the present invention, such as Figure 1 to Figure 3 As shown, it includes: a retracting mechanism 100 for retracting a wire rope 600, installed on the deck 200; a mounting frame 300 having a first hinge part and ...

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Abstract

The invention provides an offshore water sound positioning beacon throwing method, a recovery method and a withdrawing and placing method. The positioning beacon throwing method comprises the following steps: a basket with a first set of positioning beacons is placed into an underwater set depth through a withdrawing and placing mechanism; then, an underwater robot takes down the first set of positioning beacons from the basket for arrangement; when the first set of positioning beacons are arranged, the withdrawing and placing mechanism finishes recovery of the basket onto a deck, and a secondset of positioning beacons is placed to an underwater set depth through the basket; after the first set of positioning beacons are arranged, the underwater robot takes down the second set of positioning beacons from the basket for arrangement; and when the second set of positioning beacons are arranged, the withdrawing and placing mechanism finishes the action of recovering the basket onto the deck. The method can shorten the positioning beacon throwing time to effectively improve the well drilling operation aging.

Description

Technical field [0001] This article relates to offshore drilling platform equipment technology, especially a positioning beacon delivery method, a positioning beacon recovery method, and a positioning beacon retracting method. Background technique [0002] Offshore drilling platforms need to place positioning beacons for positioning operations before offshore drilling operations, and need to retrieve positioning beacons after drilling operations are completed. [0003] At present, positioning beacons are launched and recovered by underwater robots (underwater robots referred to as ROVs) that carry positioning beacons up and into the water. The speed of ROV up and down is about 1000 meters per hour. According to statistics, ROV launching and launching time generally account for 50% to 70% of the total labeling operation time, and the proportion increases with the increase of operating water depth, which seriously affects the timeliness of drilling operations. [0004] Taking the oper...

Claims

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Application Information

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IPC IPC(8): B63C11/34
CPCB63C11/34
Inventor 平英辉董铁军陈霆王东周新保马胜利钟磊邹德慧
Owner CHINA NAT OFFSHORE OIL CORP
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