CN203847046U - Vertical penetration structure for cables of underwater horizontal Christmas tree - Google Patents

Vertical penetration structure for cables of underwater horizontal Christmas tree Download PDF

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Publication number
CN203847046U
CN203847046U CN201420195730.7U CN201420195730U CN203847046U CN 203847046 U CN203847046 U CN 203847046U CN 201420195730 U CN201420195730 U CN 201420195730U CN 203847046 U CN203847046 U CN 203847046U
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CN
China
Prior art keywords
pipeline
opening
cable
tubing hanger
buffering
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201420195730.7U
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Chinese (zh)
Inventor
张鹏举
张浩楠
施佳
齐效文
汤有兵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MEIZUAN ENERGY TECHNOLOGY (SHANGHAI) Co Ltd
MSP Drilex Shanghai Co Ltd
Original Assignee
MEIZUAN ENERGY TECHNOLOGY (SHANGHAI) Co Ltd
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Filing date
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Application filed by MEIZUAN ENERGY TECHNOLOGY (SHANGHAI) Co Ltd filed Critical MEIZUAN ENERGY TECHNOLOGY (SHANGHAI) Co Ltd
Priority to CN201420195730.7U priority Critical patent/CN203847046U/en
Application granted granted Critical
Publication of CN203847046U publication Critical patent/CN203847046U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

A vertical penetration structure for cables of an underwater horizontal Christmas tree comprises an oil tube hanger, a Christmas tree cap body and a connecting body, wherein a first pipeline channel and a second pipeline channel are respectively formed in the oil tube hanger and the Christmas tree cap body; a first pipeline opening, a second pipeline opening, a third pipeline opening and a fourth pipeline opening are respectively formed in two ends of the first pipeline channel and two ends of the second pipeline channel; the second pipeline opening faces the third pipeline opening; a buffering combination structure is arranged between the oil tube hanger and the Christmas tree cap body; the fourth pipeline opening is communicated with a channel of an inner cavity of the connecting body; a side hole is formed in a side wall of the connecting body; the first pipeline channel, the second pipeline channel and the channel of the inner cavity of the connecting body form a straight channel which extends vertically; and a cable sequentially penetrates in the first pipeline opening, the second pipeline opening, the third pipeline opening, the fourth pipeline opening and the side hole and penetrates out of the underwater horizontal Christmas tree. The cable can directly penetrate in the oil tube hanger, the straight channel in the Christmas tree cap body and the side hole, is convenient to operate, and cannot be damaged even if the cable is bent; cables can be connected to one another independently; the connection cost can be effectively reduced; underground temperature and underground pressure can also be monitored; and hard impact can be effectively avoided.

Description

The vertical crossing structure of underwater horizontal type production tree cable
Technical field
The utility model relates to petroleum drilling and mining industry subsea production tree cable penetration pipeline, the particularly vertical crossing structure of a kind of underwater horizontal type production tree cable.
Background technology
In submarine oil drilling industry, passing through of cable generally followed in hydraulic pressure and petroleum pipeline system.In prior art, normally by the cable pipeline passage of tubing hanger and tree cap assembly, and the docking of each parts pipeline, realize the connection of underground cable line channel.But, in said structure, cable is had to certain flexible requirement, not so it easily fractures, and in the bale of pipeline of traversing pipe line tree cap assembly time, cable pipeline number increases the pipeline number of tree cap assembly, can cause the reduction of the rigid body intensity under water of tree cap body, make tree cap that the leakage of crude oil and hydraulic fluid may occur in docking operation, the while has also increased the installation cost of production tree cable passage.And, because underwater operation is carried out by robot, in implementation, easily there is the contradiction between operating efficiency and essence operation.
The vertical crossing structure of current cable can only be applied to ground production tree, and its installation and maintenance all need manually to operate, and can not meet underwater State completely.
Utility model content
In order to overcome the above-mentioned defect of prior art, the utility model object is to provide the vertical crossing structure of a kind of underwater horizontal type production tree cable, by improving the structure of cable pipeline passage, improve the installation path of the cable pipeline of underwater horizontal type production tree, to reduce the requirement to cable flexibility, the installation cost that reduces the raceway system of underwater horizontal type production tree, overcomes the higher defect of subsea production tree raceway system installation cost, and reduces rigid collision when can improving operating efficiency.
In order to achieve the above object, the main technical schemes that the utility model provides is:
The vertical crossing structure of a kind of underwater horizontal type production tree cable, it comprises:
Tubing hanger, is wherein provided with the first pipeline passway, and the passage two ends of the first pipeline passway are respectively equipped with the first pipeline opening and the second pipeline opening; And
Tree cap, it has tree cap body and is connected body, and in tree cap body, be provided with the second pipeline passway, the two ends of this second pipeline passway are respectively equipped with the 3rd pipeline opening and the 4th pipeline opening, the second pipeline opening of the first pipeline passway of the 3rd pipeline opening and tubing hanger is just right, connect body and have bore passages, bore passages is by opening and the 4th pipeline open communication of its one end, and the sidewall that connects body is also provided with for the inner and outside side opening being communicated with of tree cap;
Wherein, the two ends of described tree cap body are respectively with tubing hanger with is connected body connection, the bore passages of the first pipeline passway of described tubing hanger, the second pipeline passway of tree cap body and connection body forms a straight channel of vertically extending, and the cable in underwater horizontal type production tree wore the first pipeline opening, the first pipeline passway, the second pipeline opening, the 3rd pipeline opening, the second pipeline passway, the 4th pipeline opening, bore passages and side opening from the bottom to top successively.
In an embodiment of the present utility model, described tubing hanger is mainly made up of tubing hanger body and tubing hanger upper body, is also provided with and the parallel asphalt channel extending of the first pipeline passway in described tubing hanger.
In an embodiment of the present utility model, the link position of described tree cap body and tubing hanger is provided with the buffering combining structure that prevents rigid impact, and this buffering combining structure is mainly by damper plug with accept the buffering jack that damper plug plugs and form.
In an embodiment of the present utility model, described damper plug is located at one end of tubing hanger body, and described buffering jack is located at one end of tree cap body.
In an embodiment of the present utility model, in described buffering jack, be provided with damper piston, damper piston is located at the bottom of buffering jack, and in the time plugging group and connect with damper plug, damper plug is butted on damper piston.
In an embodiment of the present utility model, in described buffering jack, be also provided with buffering thread bush, buffering thread bush is located at the opening part of buffering jack, the bottom of buffering jack is provided with escape orifice, escape orifice runs through the sidewall of being located at buffering jack, in the time plugging group and connect with damper plug, damper plug is through buffering thread bush, and top is butted on damper piston.
In an embodiment of the present utility model, described damper plug and tubing hanger body are wholely set, described damper plug is two, two damper plug and the first pipeline passway and asphalt channel are by four summits that are respectively in zither shape perpendicular to cross-sectional direction, and the first pipeline passway and asphalt channel are oppositely arranged, the first pipeline passway is positioned at the summit that interior angle is obtuse angle, and asphalt channel is positioned at the summit that interior angle is acute angle.
Wherein, the cross section of described damper plug and the first pipeline passway and asphalt channel is circle, and the center of circle of each circle is positioned at described summit.
In above-mentioned any technical scheme, be provided with arm and a trunnion ring in described side opening, cable is arranged in arm, and arm is arranged in a trunnion ring.
The beneficial effects of the utility model are: the relative prior art of the utility model has obvious advantage and good effect.The relative prior art of the utility model, by changing the channel setting mode of tubing hanger internal electrical cable, is directly led to outside by tubing hanger, tree cap passage, and cable directly passes from tree cap inside; Install and take out tree cap and can realize connection and the disconnection of cable, and make cable adapter and seawater and oil gas medium isolated by the sealing of tree cap annular space, realize cable adapter insulating requirements; Cable and fuel-displaced pipeline, in unified annular seal space, can also be realized the monitoring to downhole temperature and pressure; Meanwhile, in the utility model, cable pipeline directly passes from the sidewall of tree cap body, can carry out stand alone type to cable pipeline and connect, and can effectively reduce link cost; Especially, the utility model adopts the form of vertically passing through, cable pipeline in underwater horizontal type production tree is arranged in straight channel, convenient operation, and be difficult for causing the damage of cable pipeline in bending process, and, unique bending place is arranged in the inner chamber that connects body, and space herein has obvious expansion, is conducive to bending, the situation of damaging cable can avoid bending time occurs, and has reduced the flexibility of cable is required to (not frangibility); Increased tree cap simultaneously and docked buffer protection with production tree, the rigid shock while preventing from installing, can improve operating efficiency, reduces rigid shock, solves the contradiction between operating efficiency and essence operation.
Brief description of the drawings
Fig. 1 is in tubing hanger of the present utility model and tree cap inner cable passage lanes schematic diagram;
Fig. 2 is that the A-A of Fig. 1 is to partial sectional view;
Fig. 3 is that the B-B of Fig. 1 is to sectional view;
Fig. 4 is that the C-C of Fig. 1 is to sectional view;
Fig. 5 is that the D-D of Fig. 1 is to sectional view;
Fig. 6 is that the E-E of Fig. 5 is to sectional view;
Fig. 7 is tubing hanger inner cable passage lanes schematic diagram of the present utility model;
Fig. 8 is that the F of Fig. 7 is to view.
[critical element symbol description]
Tubing hanger 1,
Tubing hanger body 13, tubing hanger upper body 14,
Asphalt channel 10,
Cable 100,
The first pipeline passway 11,
The first pipeline opening 111,
The second pipeline opening 112;
Oil-out 12,
The second opening 15;
Tree cap 2;
Tree cap body 20,
The second pipeline passway 40, spacer body 41,
Produce quick socket 42, produce quick plug 43, damper plug 44,
Buffering thread bush 45, damper piston 46, escape orifice 47,
The 3rd pipeline opening 401,
The 4th pipeline opening 402;
Connect body 21, guiding shell body 22, sleeve 23, connecting mandrel 24,
Side opening 50, arm 51, a trunnion ring 52.
Detailed description of the invention
Below in conjunction with accompanying drawing, with embodiment, the utility model will be further described.
Referring to Fig. 1 to Fig. 8, the vertical crossing structure of a kind of underwater horizontal type production tree cable of the present utility model, it comprises:
Tubing hanger 1, its entirety is a body, there is the first accommodation space being surrounded by tube wall, in the first accommodation space, be provided with parallel asphalt channel 10 and the first pipeline passway 11, and asphalt channel 10 is consistent with the passage bearing of trend of the first pipeline passway 11 and the body bearing of trend of tubing hanger 1, the passage two ends of the first pipeline passway 11 are respectively equipped with the first pipeline opening 111 and the second pipeline opening 112; And
Tree cap 2, it has tree cap body 20, connect body 21, guiding shell body 22, sleeve 23 and connecting mandrel 24, this entirety is all tubular construction, and guiding shell body 22, sleeve 23 and tree cap body 20 threes are sheathed [in an embodiment of the present utility model successively from outside to inside, tree cap 2 also comprises that entirety is the production tree body (not shown) of cylindrical shell, production tree body has the second accommodation space being surrounded by barrel, described tubing hanger 1 entirety is placed in this second accommodation space, and the body bearing of trend of tubing hanger 1 is consistent with the cylindrical shell bearing of trend of production tree body], in tree cap body 20, be provided with second pipeline passway 40 parallel with the cylindrical shell bearing of trend of this tree cap body 20, the two ends of this second pipeline passway 40 are respectively equipped with the 3rd pipeline opening 401 and the 4th pipeline opening 402, the 3rd pipeline opening 401 is just right with the second pipeline opening 112 of the first pipeline passway 11 of tubing hanger 1, the 4th pipeline opening 402 is communicated with the bore passages of the inner barrel of this connection body 21, the cylindrical shell first end of this connection body 21 is connected with the second end of tree cap body 20, cylindrical shell second end of this connection body 21 is stretched out by an end face of tree cap 2, and its barrel offers the bore passages of inner barrel and the outside side opening 50 for tree cap 2 that are communicated with this connection body 21,
Wherein, described tubing hanger 1 is connected with tree cap body 20, the second pipeline passway 40 of the first pipeline passway 11 of described tubing hanger 1 and tree cap body 20 and the bore passages that is connected body 21 form a straight channel of vertically extending, and the cable 100 in underwater horizontal type production tree wore the bore passages of the first pipeline opening 111, the first pipeline passway 11, the second pipeline opening 112, the 3rd pipeline opening 401, the second pipeline passway 40, the 4th pipeline opening 402, connection body 21 and side opening 50 and from the bottom to top successively by passing in underwater horizontal type production tree.
Wherein, as Fig. 1, shown in Fig. 7, described tubing hanger 1 is mainly made up of tubing hanger body 13 and tubing hanger upper body 14, the first end of described tubing hanger upper body 14 is provided with the first linkage section of a hollow, the first end of described tree cap body 20 is located in this first linkage section and is connected with tubing hanger upper body 14, the second end of described tubing hanger upper body 14 is provided with the second linkage section of a hollow, the first end of described tubing hanger body 13 is located in this second linkage section and is connected with tubing hanger upper body 14, the first pipeline passway 10 in the first accommodation space of described tubing hanger 1 is located at described tubing hanger body 13, and run through described tubing hanger body 13.
Wherein, as shown in Figure 1, the first end of described tree cap body 20 is provided with the first duct, the second end of described tree cap body 20 is provided with the second duct, the first duct and the second duct are just to arranging and walking abreast with described the second pipeline passway 40, and between the first duct and the second duct, be provided with spacer body 41, this spacer body 41 is located in the first linkage section of described tubing hanger upper body 14.
Wherein, as shown in Figure 1, shown in Figure 5, in the first duct of described tree cap body 20, be provided with and produce quick socket 42, the asphalt channel 10 of described tubing hanger 1 is provided with and produces quick plug 43 in the second pipeline opening 112 sides, and this production quick plug 43 matches and plugs group and connect with production quick socket 42.
Wherein, as shown in Figure 1, shown in Figure 5, the first end of described tubing hanger body 14 is provided with damper plug 44, and the first end of described tree cap body 20 is provided with buffering jack, and this damper plug 44 matches and plugs group and connect with buffering jack.
Wherein, as shown in Figure 6, in described buffering jack, be provided with buffering thread bush 45 and damper piston 46, buffering thread bush 45 is located at the opening part of buffering jack, and damper piston 46 is located at the bottom of buffering jack, the bottom of buffering jack is provided with escape orifice 47, escape orifice 47 runs through the sidewall of being located at buffering jack, and damper plug 44 is wholely set with tubing hanger body 13, in the time plugging group and connect with buffering jack, damper plug 44 is through buffering thread bush 45, and top is butted on damper piston 46.
Wherein, as shown in Figure 5, Figure 8, described damper plug 44 is two, two damper plug 44 and the first pipeline passway 11 and asphalt channel 10 4 are by four summits that are respectively in zither shape perpendicular to cross-sectional direction, and the first pipeline passway 11 and asphalt channel 10 are oppositely arranged, the first pipeline passway 11 is positioned at the summit that interior angle is obtuse angle, and asphalt channel 10 is positioned at the summit that interior angle is acute angle.
Wherein, as shown in Fig. 4, Fig. 5, Fig. 8, the cross section of described damper plug 44 and the first pipeline passway 11 and asphalt channel 10 is circle, and the center of circle of each circle is positioned at described summit.
Wherein, as shown in Figure 2 and Figure 3, be provided with arm 51 and a trunnion ring 52 in described side opening 50, cable 100 is arranged in arm 51, and arm 51 is arranged in a trunnion ring 52.
Wherein, described asphalt channel 10 and the first pipeline passway 11 are in same annular seal space.
Wherein, the body two ends of described tubing hanger 1 are respectively equipped with the first opening and the second opening 15, the first open side of described tubing hanger 1 is formed with the first annular seal space being connected with described the second accommodation space, the second opening 15 sides of described tubing hanger 1 are formed with the second annular seal space being connected with described the second accommodation space, and the first annular seal space and the second annular seal space are connected and are formed described same annular seal space by the first accommodation space of described tubing hanger 1.
Wherein, the tube wall of described tubing hanger 1 is provided with the oil-out 12 that is communicated with the inner chamber of asphalt channel 10 and the body outside of tubing hanger 1, and this oil-out 12 can be for connecting flowline (not shown).On the body lateral surface of described tubing hanger 1, between the first opening and oil-out 12, be provided with primary sealing area, the barrel medial surface of production tree body is provided with the 3rd sealing surface of answering in contrast, on the body lateral surface of described tubing hanger 1, between the second opening 15 and oil-out 12, be provided with secondary sealing area, the barrel medial surface of production tree body is provided with the 4th sealing surface of answering in contrast, primary sealing area matches with the 3rd sealing surface and forms the part sealing of the first annular seal space, and secondary sealing area matches with the 4th sealing surface and forms the part sealing of the second annular seal space.
Wherein, in the first pipeline passway 11 of described tubing hanger 1, be provided with cable penetration device.
Wherein, in the first pipeline passway 11 of described tubing hanger 1, be provided with built-in screw thread (this built-in screw thread can be rectangular thread).
Wherein, described cable penetration device is provided with the screw thread matching with the built-in screw thread of the first pipeline passway 11 of described tubing hanger 1.
Wherein, the passage two ends of described asphalt channel 10 are respectively equipped with the first oil circuit interface and the second oil circuit interface, the first oil circuit interface connected pipes (feeding to oil transportation in asphalt channel, not shown), the second oil circuit interface connecting test equipment (not shown).
Wherein, be provided with the oil circuit test channel parallel with the second pipeline passway 40 in described tree cap body 20, the lower end of this oil circuit test channel connects the second oil circuit interface, and upper end connects described testing equipment.
In summary, the vertical crossing structure of underwater horizontal type production tree cable in the utility model, comprise: tubing hanger, tree cap, production tree body, tree cap body and be connected body, tubing hanger entirety is placed in production tree body, in tubing hanger and tree cap body, be respectively equipped with first and second pipeline passway, first and second pipeline passway two ends are respectively equipped with first and second and three, four pipeline openings; Second and third pipeline opening is just right, and the 4th pipeline open communication connects the inner barrel of body, and one end that connection body stretches out tree cap offers a side opening; Wherein, first and second pipeline passway forms a vertical straight channel of extending, and cable wore first, second, third and fourth pipeline opening and side opening and from the bottom to top successively by passing in underwater horizontal type production tree.
The channel setting mode of tubing hanger internal electrical cable in the utility model, make cable directly by tubing hanger, straight channel in tree cap is led to outside, cable and fuel-displaced pipeline are in unified annular seal space, can also realize the monitoring to downhole temperature and pressure, simultaneously, in the utility model, cable pipeline directly passes from the sidewall of tree cap body, can carry out stand alone type to cable pipeline connects, can effectively reduce link cost, especially, the utility model is arranged in straight channel the cable pipeline in underwater horizontal type production tree, convenient operation, and be difficult for causing the damage of cable pipeline in bending process, and, unique bending place is arranged in the inner chamber that connects body, space herein has obvious expansion, be conducive to bending, the situation of damaging cable can avoid bending time occurs, and between tubing hanger and tree cap, be provided with buffering combining structure, can effectively avoid possible rigid impact, contribute to improve operating efficiency.

Claims (9)

1. the vertical crossing structure of underwater horizontal type production tree cable, is characterized in that comprising:
Tubing hanger, is wherein provided with the first pipeline passway, and the passage two ends of the first pipeline passway are respectively equipped with the first pipeline opening and the second pipeline opening; And
Tree cap, it has tree cap body and is connected body, in tree cap body, be provided with the second pipeline passway, the two ends of this second pipeline passway are respectively equipped with the 3rd pipeline opening and the 4th pipeline opening, the second pipeline opening of the first pipeline passway of the 3rd pipeline opening and tubing hanger is just right, connect body and have bore passages, bore passages is by opening and the 4th pipeline open communication of its one end, and the sidewall that connects body is also provided with for the inner and outside side opening being communicated with of tree cap;
Wherein, the two ends of described tree cap body are respectively with tubing hanger with is connected body connection, the bore passages of the first pipeline passway of described tubing hanger, the second pipeline passway of tree cap body and connection body forms a straight channel of vertically extending, and the cable in underwater horizontal type production tree wore the first pipeline opening, the first pipeline passway, the second pipeline opening, the 3rd pipeline opening, the second pipeline passway, the 4th pipeline opening, bore passages and side opening from the bottom to top successively.
2. the vertical crossing structure of underwater horizontal type production tree cable as claimed in claim 1, is characterized in that: in described tubing hanger, be also provided with and the parallel asphalt channel extending of the first pipeline passway.
3. the vertical crossing structure of underwater horizontal type production tree cable as claimed in claim 2, it is characterized in that: the link position of described tree cap body and tubing hanger is provided with the buffering combining structure that prevents rigid impact, this buffering combining structure is mainly by damper plug with accept the buffering jack that damper plug plugs and form.
4. the vertical crossing structure of underwater horizontal type production tree cable as claimed in claim 3, is characterized in that: described damper plug is located at one end of tubing hanger body, and described buffering jack is located at one end of tree cap body.
5. the vertical crossing structure of underwater horizontal type production tree cable as claimed in claim 4, it is characterized in that: in described buffering jack, be provided with damper piston, damper piston is located at the bottom of buffering jack, and in the time plugging group and connect with damper plug, damper plug is butted on damper piston.
6. the vertical crossing structure of underwater horizontal type production tree cable as claimed in claim 5, it is characterized in that: in described buffering jack, be also provided with buffering thread bush, buffering thread bush is located at the opening part of buffering jack, the bottom of buffering jack is provided with escape orifice, escape orifice runs through the sidewall of being located at buffering jack, in the time plugging group and connect with damper plug, damper plug is through buffering thread bush, and top is butted on damper piston.
7. the vertical crossing structure of underwater horizontal type production tree cable as claimed in claim 6, it is characterized in that: described damper plug and tubing hanger body are wholely set, described damper plug is two, two damper plug and the first pipeline passway and asphalt channel are by four summits that are respectively in zither shape perpendicular to cross-sectional direction, and the first pipeline passway and asphalt channel are oppositely arranged, the first pipeline passway is positioned at the summit that interior angle is obtuse angle, and asphalt channel is positioned at the summit that interior angle is acute angle.
8. the vertical crossing structure of underwater horizontal type production tree cable as claimed in claim 7, is characterized in that: the cross section of described damper plug and the first pipeline passway and asphalt channel is circle, and the center of circle of each circle is positioned at described summit.
9. the vertical crossing structure of underwater horizontal type production tree cable as described in claim 1,2,3,4,5,6,7 or 8, it is characterized in that, in the side opening of described connection body, be provided with arm and a trunnion ring, cable is arranged in arm, and arm is arranged in a trunnion ring.
CN201420195730.7U 2014-04-22 2014-04-22 Vertical penetration structure for cables of underwater horizontal Christmas tree Expired - Fee Related CN203847046U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420195730.7U CN203847046U (en) 2014-04-22 2014-04-22 Vertical penetration structure for cables of underwater horizontal Christmas tree

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420195730.7U CN203847046U (en) 2014-04-22 2014-04-22 Vertical penetration structure for cables of underwater horizontal Christmas tree

Publications (1)

Publication Number Publication Date
CN203847046U true CN203847046U (en) 2014-09-24

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Application Number Title Priority Date Filing Date
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104989314A (en) * 2015-06-12 2015-10-21 美钻能源科技(上海)有限公司 Underwater mud line Christmas tree and installation method thereof
CN116044337A (en) * 2023-03-31 2023-05-02 中海石油(中国)有限公司 Plug hot-piercing device and method for underwater Christmas tree

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104989314A (en) * 2015-06-12 2015-10-21 美钻能源科技(上海)有限公司 Underwater mud line Christmas tree and installation method thereof
CN104989314B (en) * 2015-06-12 2017-10-20 美钻能源科技(上海)有限公司 Mud line production tree and its installation method under water
CN116044337A (en) * 2023-03-31 2023-05-02 中海石油(中国)有限公司 Plug hot-piercing device and method for underwater Christmas tree

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20140924

Termination date: 20210422