KR101399495B1

KR101399495B1 - Jig for guiding hige-pressure hose of drill ship moon-pool

Info

Publication number: KR101399495B1
Application number: KR1020100120987A
Authority: KR
Inventors: 이현만; 김경열; 김진성; 김보용; 김문순; 정이화
Original assignee: 현대중공업 주식회사
Priority date: 2010-11-30
Filing date: 2010-11-30
Publication date: 2014-06-27
Also published as: KR20120059310A

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a high pressure hose guide jig for pulling a door of a drill ship and aims at preventing the breakage of a high pressure hose supplying a high pressure mud for lubrication during drilling, do.
The high pressure hose guide jig for the drilling of the drill rig according to the present invention has a curved cross section so as to guide the high pressure hose 4, which is inserted into the seabed through the door 2, which is an opening of the drill ship 1, A curved guide portion 11 formed with a plurality of wiring guide protrusions 11a along the width direction; And a support portion for supporting the guide portion to a deck around the doorpole. The support portion includes at least one first support portion (12) having an upper portion connected to the guide portion and a lower portion fixed to the upper surface of the deck with one or more fasteners, At least one second support unit (13) having one side connected to the guide unit and the other side fixed to the side surface of the deck by one or more fasteners, at least one of the guide unit and the first and second supports, And at least one reinforcing bar connecting the first and second supports to each other.

Description

{JIG FOR GUIDING HIGE-PRESSURE HOSE OF DRILL SHIP MOON-POOL}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a high pressure hose guide jig for use with a drill rig, and more particularly, to a high pressure hose guide jig for use with a drill rig, To a high pressure hose guide jig for a door pull of a drill rig.

At present, interest in the ocean is rising due to gradual depletion of land resources, and the importance of precise ocean drilling research is emerging as a preliminary stage of marine resources development.

For general marine drilling, ships such as excavation lines, or marine structures of the same purpose, drilling pipes are installed for the purpose of excavating the surface of the sea floor to the hull or marine structures due to the nature of the application. As shown in Fig. 1, a large-scale moon pool 2 such as a drill well is formed on the drill ship 1 or the like.

At least one high-pressure hose 3 for supplying a high-pressure mud for lubrication and the like is located at the outer periphery of the drill pipe 3 located at the center of the drum 2

However, the drill rig according to the prior art has the following problems.

When the high pressure hose 4 supplying the mud is inserted through the door 2, the high pressure hose 4 passes through the deck 5 around the door 2, And a door 2 which is perpendicular to the floor surface, and is bent. Therefore, a low speed phenomenon occurs in which the mud stagnation phenomenon occurs at the bent portion of the high-pressure hose 4 or the flow rate of the mud is slowed. As a result, the lubricant is not smoothly lubricated and wear or breakage of the drill bit occurs and drilling malfunction occurs . In addition, there is a problem that breakage or cracking of the high-pressure hose 4 occurs as the breakage of the high-pressure hose 4 continues for a long time.

Since the high-pressure hose 4 passes without being fixed to the door frame 2, the high-pressure hose may move during the high-pressure injection of the mud, and the operator may be injured due to such movement.

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned problems, and it is an object of the present invention to prevent a high pressure hose supplying high pressure mud for lubrication during drilling, The purpose of this is to provide a high pressure hose guide jig for the door pull of a drill ship.

It is an object of the present invention to prevent the high-pressure hose from interfering with the operator.

In order to achieve the above object, a high pressure hose guide jig for a door pull of a drill rig according to the present invention has a curved cross section to be introduced into a seabed through a door hole as an opening of a drill ship and to guide a high- A curved guide portion formed with a plurality of wiring guide tabs along the width direction;

And a support portion for supporting the guide portion to a deck around the door frame.

Wherein the support portion includes at least one first support portion having an upper portion connected to the guide portion and a lower portion fixed to the upper surface of the deck with one or more fasteners, one end connected to the guide portion and the other end connected to the deck At least one second support member fixed to one side of the first support member by one or more fasteners, and at least one reinforcement member connecting at least one of the guide member and the first and second support members or the first and second support members to each other.

Preferably, a corner support portion for supporting the guide portion at an edge portion where the upper surface and the side surface of the deck contact each other may be included.

A high-pressure hose guide jig for a door pull of a drill rig according to the present invention is characterized in that the hinge guide jig is linearly reciprocally movable with respect to the door frame via a rail.

According to the high pressure hose guide jig for the drill rig according to the present invention, the high pressure hose for supplying the mud for lubrication or the like during drilling is guided from the upper portion of the deck to the doorpath through the curved guide portion of the guide jig, Is smoothly supplied without congestion, and therefore drilling performance can be improved through normal lubrication. In addition, since the high-pressure hose is disposed without a sudden change in curvature, the damage and cracks do not occur, and the maintenance cost of the high-pressure hose can be reduced.

Further, the high-pressure hose is disposed on the upper portion of the deck through the guide jig, and even if the high-pressure hose moves, it moves only along the guide portion, thereby preventing the operator from being injured by the high-pressure hose.

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a schematic diagram of a typical drill ship.
FIG. 2A and FIG. 2B are perspective views of a high pressure hose guide jig for a door pull of a drill rig according to the present invention;
3 is a side view of the installation state of a high pressure hose guide jig for a door pull of a drill rig according to the present invention.
4 is a view showing another example of a high pressure hose guide jig for a door pull of a drill rig according to the present invention;

&Lt; Example 1 >

As shown in FIGS. 2A to 3, the high pressure hose guide jig 10 for a drill rig according to the present embodiment includes a guide portion 11 having a curved cross section for guiding the high pressure hose 4 to the door 2, And a support portion for fixing the guide portion 11 to the deck 5 of the drill rig.

The curved guide portion 11 is formed to have a curvature and a size capable of wiring the high-pressure hose 4 without changing abrupt curvature.

The curved guide portion 11 is formed with a plurality of wire guide tabs 11a along both widthwise end portions and / or widthwise direction. The wiring guide tongue 11a protrudes from the surface of the curved guide portion 11 so as to prevent the high pressure hose 4 from coming off. When a plurality of high pressure hoses 4 are used, a number of high pressure hoses 4 And performs the function of wiring by spacing. That is, the wiring guiding tabs 11a are formed only on both left and right ends of the guide portion 11, so that the high pressure hose 4 can be prevented from departing, and three or more So that the plurality of high-pressure hoses 4 can be wired so as not to overlap each other.

The support part is provided with a guide part 11 on a deck 5 and a guide part 11 is installed at a predetermined height from a deck 5 so that a high pressure hose 4) are arranged along the guide portion 11 without contacting the deck 5 and at least one or more preferably two or more first supports 12 (not shown) for supporting the guide portion 11 on the upper surface of the deck 5 And at least two or more second supports 13 for supporting the guide portion 11 at the side of the deck 5 (the side corresponding to the door frame 2). The first and second supports 12 and 13 are fixed to the deck 5 via at least one anchor, respectively.

In order to prevent deformation of the guide portion 11 and the first and second support rods 12 and 13, a reinforcing bar is applied. The reinforcing bar is horizontally disposed with respect to the deck 5 between the guide 11 and the first support 12 so that both sides thereof are fixed to the guide 11 and the first support 12 by welding or the like A first reinforcing bar 14 and a second reinforcing bar 14 inclined between the guide portion 11 and the first reinforcing bar 14 and fixed on both sides of the guide portion 11 and the first reinforcing bar 14 by welding or the like 15 for connecting the first supports 12 to each other and a third reinforcing bar 16 for connecting the first supports 12 when a plurality of first supports 12 are applied.

The first and second supports 12 and 13 and the first to third reinforcing bars 16 may be formed of, for example, an "H" beam, while the first and second supports 12, A plate-like fixing portion is provided at a portion fixed to the plate-like member.

Further, in order to more firmly install the high pressure hose guide jig 10 for the door pulling of the drill rig according to the present embodiment, a corner support portion 17 which is joined to the corner portion (the corner portion where the upper surface and the side contact each other) Can be equipped. The corner support portion 17 has two surfaces which are respectively in contact with the upper surface and the side surface of the deck 5 and can be connected to the second support 3 and the first reinforcement 14 as shown in the figure.

The corner supporting portion 17 can prevent the movement of the high pressure hose guide jig 10 for the pulling of the drill rig according to the present embodiment in an anchoring state before the anchoring, do.

The high-pressure hose guide jig 10 for the door pull of the drill ship thus constructed is applied in various forms such as a series of one or more depending on the size of the drill ship and the door frame 2, the quantity of the high-pressure hose 4,

The operation of the high pressure hose guide jig for the door pull of the drill rig according to the present embodiment thus configured is as follows.

The high pressure hose guide jig 10 for pulling the door of the drill rig according to the present embodiment is carried to the upper surface of the deck 5 in the vicinity of the door frame 2 so that the fixing portions of the first and second support tables 12, ).

When the corner support 17 is applied, the corner support 17 is seated in the edge of the deck 5, and thus the high pressure hose guide jig 10 for door pull of the drill ship is temporarily fixed before anchoring, The movement of the high-pressure hose guide jig 10 for a pool can be reduced, and anchoring is facilitated.

The high pressure hose 4 is wired to the guide portion 11 of the high pressure hose guide jig 10 for the door pull of the drill rig installed in the above manner and the high pressure hose 4 is wired along the curvature of the guide portion 11 And is guided to the ground through the frame 2. Therefore, when the high-pressure hose 4 is wired from the upper surface of the deck 5 to the door frame 2, it is wired without being bent at an angle similar to a right angle or a right angle.

&Lt; Example 2 >

As shown in FIG. 4, the high pressure hose guide jig 10 for the drill rig according to the present embodiment is located close to the deck 5 and can be positioned at a position protruding from the deck 5, And is movably installed in the deck 5 so as to be efficiently wired.

The high pressure hose guide jig 10 for pulling the door of a drill rig comprises a curved guide portion 11 for wiring a high pressure hose and at least one carrier 18 for supporting and moving the guide portion 11, And a pedestal 18 is mounted on the rail 20 installed on the upper surface of the deck 5 such that it can reciprocate linearly.

The carriage 18 can be provided with wheels or the like so as to be linearly reciprocally movable on the rail 20, and also equipped with fixing means so that the carriage 18 can be fixed in a state in which the movement is completed.

According to the present embodiment, when the high pressure hose 4 is not used, the guide jig 10 is moved in the virtual line state so as to be in close contact with the deck 5, The guide jig 10 is pushed and moved to the solid line state. The guide jig 10 is pushed by the operator and moves along the rail 20 without carrying equipment.

In this embodiment, as shown in the figure, the second support member 13 can be configured to vary in length. For example, the second support 13 can be adjusted in length through a support having a multi-stage length-adjusting hole.

The corner support portion 17 is installed on the second support base 13 and can always be supported at the edge portion of the deck 5 regardless of the position of the guide jig 10. [

1: drill ship, 2:
3: drilling pipe, 4: high pressure hose
5: Deck,
10: High pressure hose guide jig for pulling the door of the drill ship
11: Curved guide part, 12: First support part
13: second support member, 14: first support member
15: second reinforcing bar, 16: third reinforcing bar
17: Corner support, 18: Carrier
20: rail,

Claims

A plurality of wire guiding jaws 11a are formed in a curved cross-section so as to guide the high pressure hose 4, which is inserted into the seabed through the opening 2 of the drill rig 1, A curved guide portion 11 formed with a curved shape;
And a support portion for supporting the guide portion on an upper portion of the deck around the door frame so that the high pressure hose is wired along the guide portion without passing through the deck,
Wherein the support part comprises at least one first support part (12) having an upper part connected to the guide part and a lower part fixed to the upper surface of the deck by at least one fastener, At least one second support (13) fixed to the side of the deck with one or more fasteners, at least one of the guide portions and the first and second supports, or at least one reinforcement connecting the first and second supports to each other And a hose guide jig for high pressure hose for pulling a door of a drill ship.

The high pressure hose guide jig according to claim 1, wherein the support portion includes a corner support portion (17) that is seated on an edge portion where the upper surface and side surface of the deck contact.

A curved guide formed in a curved cross-section so as to guide the high-pressure hose 4, which is inserted into the seabed through the opening 2 of the drilling line and handles the mud, (11), at least one carrier (18) for allowing the upper portion to support and carry the guide portion, at least one reinforcement member connecting the guide portion and the carrier or connecting the carriers to each other, Is installed so as to be able to reciprocate linearly with respect to the door frame along a rail (20) installed on the upper surface of the hinge guide jig.