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Drilling coring device and method as well as offshore floating platform

A technology for coring devices and floating platforms, which is applied in the field of offshore floating platforms and drilling and coring devices, can solve the problems of low operating capacity and efficiency, high manpower and labor costs, etc., to improve operating capacity and efficiency, and reduce manpower and labor costs , saving manpower and labor costs

Pending Publication Date: 2019-12-17
GUANGZHOU MARINE GEOLOGICAL SURVEY +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the problems of high manpower and labor costs, low work ability and low efficiency in retrieving the coring barrel by top drive and drill pipe tripping in the related art, the present invention provides a drilling coring device

Method used

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  • Drilling coring device and method as well as offshore floating platform
  • Drilling coring device and method as well as offshore floating platform
  • Drilling coring device and method as well as offshore floating platform

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Embodiment Construction

[0034] In order to further illustrate the principle and structure of the present invention, preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

[0035] The invention provides an offshore floating platform. The offshore floating platform includes multiple areas such as an engine room area, a living area and a drilling area, and different areas have different functions. The key protection of the present invention is the drilling and coring device of the offshore floating platform, and the drilling and coring device can be located in the drilling area of ​​the offshore floating platform.

[0036] Specifically, combine figure 1 with figure 2 As shown, the drilling coring device 10 includes a drill floor 11, a derrick 12, a traveling block 13, a top drive 14, a coring drawworks 15, a drill pipe 16, and a hoisting winch 17 for lifting and lowering the traveling block 13 and the top drive 14 .

[0037] The d...

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Abstract

The invention discloses a drilling coring device and method as well as an offshore floating platform. The offshore floating platform comprises the drilling coring device. The drilling coring device comprises a drilling floor, a derrick, a traveling block, a top drive suspended on the traveling block, a lift winch for lifting and lowering the traveling block and the top drive, a drill rod connectedto the top drive and a coring winch, the traveling block and the top drive each are provided with a central through hole capable of allowing a coring barrel to pass therethrough, the central throughhole of the traveling block and the central through hole of the top drive are concentrically arranged, a steel cable of the coring winch sequentially penetrates through the central through hole of thetraveling block, the central through hole of the top drive and the central through hole of the drill rod from top to bottom, and the tail end, with fishing equipment, of the steel cable goes deep into the bottom end of the drill rod so as to be connected with the coring barrel. According to the drilling coring device and method as well as the offshore floating platform, a large amount of manpowerand labor cost are saved, and the operation capacity and efficiency are improved.

Description

technical field [0001] The invention relates to the fields of ships and ocean engineering, in particular to a drilling and coring device and method thereof, and an offshore floating platform. Background technique [0002] At present, the field of deep-sea scientific research has become the arena of major developed countries, and having deep-sea scientific exploration capabilities is the core and foundation for achieving breakthroughs in deep-sea scientific research. In addition, marine geology and mineral resource information are important basic data for safeguarding marine rights and interests and supporting the formulation of international rules. Seabed geological drilling and coring is the most direct and effective way to obtain information on marine geology and mineral resources. [0003] The current seabed geological drilling coring methods include lifting drill coring and rope coring. Lifting and coring refers to recovering the coring barrel by lifting the drill pipe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B25/18E21B7/12E21B15/02
CPCE21B7/12E21B15/02E21B25/18
Inventor 秦绪文李磊唐军张运权黄芳飞卢秋平肖元张辉王海冰
Owner GUANGZHOU MARINE GEOLOGICAL SURVEY
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