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Underwater horizontal connector rock debris cap apparatus

A technology of connectors and cuttings, applied in wellbore/well parts, earthmoving, sealing/packing, etc., can solve the problems of increased use and maintenance costs of valve parts and special hydraulic oil, and achieve simple structure and high efficiency High, improve the effect of installation efficiency

Active Publication Date: 2017-09-08
CHINA NAT OFFSHORE OIL CORP +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] 2. The operation of the hydraulically driven cuttings cap requires a hydraulic system, and the application of valves and special hydraulic oil greatly increases the cost of use and maintenance

Method used

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  • Underwater horizontal connector rock debris cap apparatus
  • Underwater horizontal connector rock debris cap apparatus
  • Underwater horizontal connector rock debris cap apparatus

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Embodiment Construction

[0020] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments. However, it should be understood that the accompanying drawings are provided only for better understanding of the present invention, and they should not be construed as limiting the present invention.

[0021] Such as Figure 1 to Figure 3 As shown, the underwater horizontal connector debris cap device provided by the present invention mainly includes:

[0022] The upper half cap 1, the upper half cap 1 is a groove structure with a semicircular cross section, and the two lower ends of the arc plate are respectively provided with a guide plate 6 extending outwards, and several light strips are arranged on the outside of the bottom plate. The support guide plate 7 of the hole, and the support guide plate 7 is located on the symmetrical center line of the upper half cap 1. Simultaneously, on the base plate of upper half cap 1, offer an air vent, exhaust ...

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Abstract

The invention relates to an underwater horizontal connector rock debris cap apparatus, and is characterized in that the rock debris cap apparatus comprises an upper half cap that is used for isolating the top half of a connector hub seat; a lower half cap and the upper half cap are arranged in a mirror image way for isolating the bottom half of the connector hub seat; a driving handle that is used for driving the upper half cap and the lower half cap closed and separated. According to the invention, the sealing surface of the connector hub seat can be protected in the horizontal connector transporting process or before underwater installation; an operation interface satisfies an ROV operation interface; and ROV underwater independent dismounting and installation can be realized. At the same time, the upper half cap and the lower half cap are arranged in a mirror image way, and a two-lobe structure is provided, therefore, the connector hub seat installation space is large; and ROV installation efficiency can be raised.

Description

technical field [0001] The invention relates to a component in an underwater oil and gas production system, in particular to a cuttings cap device for an underwater horizontal connector. Background technique [0002] The underwater connector is the key equipment in the underwater production equipment, and its sealing structure is one of the key structures to ensure its normal operation. Therefore, before the underwater connector is installed, it is necessary to protect the sealing surface of the lower hub seat installed on the manifold group, and the cuttings cap device is the main device to provide protection for the sealing surface of the lower hub seat before installation. Due to its special structure, the underwater horizontal connector has a small installation space for the cuttings cap and is greatly affected by gravity, so it is difficult to install. At present, the cuttings cap device of the horizontal connector mainly has a simple plug-in type and a hydraulic drive...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B33/037E21B33/038
CPCE21B33/037E21B33/038
Inventor 洪毅郭宏张勇侯广信李博徐晓磊魏柳兴
Owner CHINA NAT OFFSHORE OIL CORP