CN115492554B - Anti-sedimentation structure of deepwater pre-debugging module - Google Patents

Anti-sedimentation structure of deepwater pre-debugging module Download PDF

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Publication number
CN115492554B
CN115492554B CN202211048865.6A CN202211048865A CN115492554B CN 115492554 B CN115492554 B CN 115492554B CN 202211048865 A CN202211048865 A CN 202211048865A CN 115492554 B CN115492554 B CN 115492554B
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fixedly connected
deepwater
arm
deep water
debugging
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CN115492554A (en
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崔宁
张艺凡
刘毅
高磊
郭飞
杨盛
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Cnooc Shenzhen Ocean Engineering Technology Service Co ltd
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Cnooc Shenzhen Ocean Engineering Technology Service Co ltd
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    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B41/00Equipment or details not covered by groups E21B15/00 - E21B40/00
    • E21B41/0007Equipment or details not covered by groups E21B15/00 - E21B40/00 for underwater installations

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Revetment (AREA)

Abstract

The invention discloses a deepwater pre-debugging module anti-sedimentation structure, and relates to the technical field of offshore oil engineering. The deep water structure comprises a deep water structure upper part and a deep water structure lower part, wherein the deep water structure lower part comprises a lower upright post, two connecting rods are fixedly connected to the outer sides of the lower upright post, and the bottom ends of the connecting rods are jointly connected with a connecting bottom plate. The upper part and the lower part of the device are connected through the lifting lug and the bolt, so that water is simultaneously put in the debugging operation process, and the aim of separately debugging the upper part and the lower part can be fulfilled during equipment maintenance and medicament box injection; meanwhile, the detachable anti-sinking structure is arranged, so that the anti-sinking device is applicable to various soil and deep sea seabed operations, a highly integrated pigging pressure test flow module is constructed, equipment required by pre-debugging of a deep sea pipe can be greatly reduced, the requirement on the deck area of a ship is small, working hours are saved, and technical guarantee is provided for development of deep water oil and gas fields.

Description

Anti-sedimentation structure of deepwater pre-debugging module
Technical Field
The invention relates to the technical field of pre-debugging of deep water sea pipes, in particular to an anti-sedimentation structure of a deep water pre-debugging module.
Background
The content of the marine pipeline pre-testing operation mainly comprises the cleaning, pressure testing and drainage drying inerting of a submarine pipeline, is an important work which is necessary to be carried out before the production of the marine pipeline, and is also a key content in the development process of an offshore oil and gas field. Along with the increase of the water depth, the technical difficulty, the equipment requirement, the operation risk and the construction cost of the pilot test are increased. In the pre-trial operation, the storage capacity of the chemical agent greatly affects the operation efficiency and increases the construction cost. .
The invention patent of China with the publication number of CN110539972B discloses a deep sea pipe pre-debugging system and a deep sea pipe pre-debugging reagent storage device thereof, which are used for storing a debugging reagent so as to assist a deep sea pipe pre-debugging module to carry out deep sea pipe debugging, thereby providing necessary chemical reagents for deep sea pipe pre-debugging operation, greatly reducing equipment required by the deep sea pipe pre-debugging, reducing the demand on the deck area of a ship, saving working hours and improving the pressure testing operation efficiency.
Although the invention solves the problems in the background technology, in the practical application, the device is troublesome to maintain and supplement liquid medicine because of the integrated design of the device; meanwhile, the device is easy to sink in the sea due to the large dead weight. Therefore, a deepwater pre-debugging module anti-sedimentation structure is developed.
Disclosure of Invention
The invention aims to provide a settlement prevention structure of a deep water pre-debugging module so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the deepwater pre-debugging module anti-sedimentation structure comprises a deepwater structure, wherein the deepwater structure is formed by mutually fixing and screwing an upper deepwater structure part and a lower deepwater structure part through lifting lugs and bolts, the lower deepwater structure part comprises two mutually parallel lower frame bodies, the two lower frame bodies are connected through lower upright posts, four lower upright posts positioned on four corners of the two lower frame bodies are respectively fixedly connected with a connecting rod on the two outer sides of the lower upright posts, the bottom end of each connecting rod is respectively fixedly connected with a spacing beam, a connecting bottom plate is respectively fixedly connected between every two spacing beams positioned on the same side, and a bottom plate frame is fixedly connected on the outer sides of all the connecting bottom plates positioned on the same side.
Preferably, the upper part of the deepwater structure comprises two upper frame bodies which are parallel to each other, a series of upper upright posts are fixedly connected between the two upper frame bodies, and each upper upright post corresponds to one lower upright post to form a group of total upright posts.
Preferably, each group of the outer sides of the total upright posts are respectively and fixedly connected with a crane arm bracket, each crane arm bracket comprises a triangular bracket main body, the top end of the bracket main body is fixedly connected with an insertion bearing arm, one side of the top end is fixedly connected with an outer end fixing arm, and the top ends of the insertion bearing arm and the outer end fixing arm are of a bending structure and face opposite directions.
Preferably, one side of the outer end fixing arm is rotatably connected with a rotating arm, one end of the rotating arm is fixedly connected with an insertion fixing piece, the top end of the insertion receiving arm is fixedly connected with two clamping pieces, and the insertion fixing piece can be inserted between the two clamping pieces.
Preferably, a pipe cleaning pressing fixing table is fixedly connected between the insertion receiving arm and the outer end fixing arm, and the top end of the pipe cleaning pressing fixing table can be contacted with the bottom side of the rotating arm.
Preferably, the hydraulic power device and the medicament injection device are fixedly connected in the upper part of the deepwater structure, a series of medicament box units are inserted into the lower part of the deepwater structure, and each medicament box unit corresponds to one output end of the hydraulic power device and one output end of the medicament injection device respectively.
Compared with the prior art, the invention has the beneficial effects that:
The upper part and the lower part of the anti-sedimentation structure of the deepwater pre-debugging module are connected through the lifting lug and the bolt, so that water is simultaneously put in during debugging operation, and the aim of separately debugging the upper part and the lower part can be realized during equipment maintenance and medicament box injection;
Meanwhile, the detachable anti-sinking structure is arranged, so that the anti-sinking device is applicable to various soil and deep sea seabed operations, a highly integrated pigging pressure test flow module is constructed, equipment required by pre-debugging of a deep sea pipe can be greatly reduced, the requirement on the deck area of a ship is small, working hours are saved, and technical guarantee is provided for development of deep water oil and gas fields.
Drawings
FIG. 1 is an isometric view of the present invention;
FIG. 2 is a schematic view of the crane arm bracket of the present invention;
FIG. 3 is a schematic view of the upper part of the deepwater structure according to the present invention;
FIG. 4 is a schematic view of a long side anti-sinking frame structure of the present invention;
Fig. 5 is a schematic view of a portion of the deep water structure of the present invention.
In the figure: 1. a crane arm bracket; 101. a clamping piece; 102. fixing the plug; 103. inserting a fixing sheet; 104. an outer end fixing arm; 105. a rotating arm; 106. a bracket main body; 107. inserting a receiving arm; 2. an upper portion of the deepwater structure; 201. an upper cross beam; 202. an upper frame; 203. an upper vertical beam; 3. a short side anti-sinking frame; 4. a long side anti-sinking frame; 401. a connecting bottom plate; 402. a spacer beam; 403. a bottom plate frame; 404. a connecting rod; 5. a lower portion of the deepwater structure; 501. a lower cross beam; 502. a lower frame; 503. a lower base plate; 504. a lower vertical beam.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that, in the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, it should be understood that the dimensions of the various elements shown in the figures are not drawn to actual scale, e.g., the thickness or width of some layers may be exaggerated relative to other layers for ease of description.
It should be noted that like reference numerals and letters refer to like items in the following figures, and thus once an item is defined or illustrated in one figure, no further detailed discussion or description thereof will be necessary in the following description of the figures.
As shown in fig. 1 to 5, the present invention provides a technical solution:
The deepwater pre-debugging module anti-sedimentation structure comprises a deepwater structure, wherein the deepwater structure is formed by mutually fixing and screwing an upper deepwater structure part 2 and a lower deepwater structure part 5 through lifting lugs and bolts, the lower deepwater structure part 5 comprises two mutually parallel lower frame bodies 502, staggered lower cross beams 501 and lower vertical beams 504 are arranged in the two lower frame bodies 502, so that a plurality of lower spaces are enclosed, the two lower frame bodies 502 are connected through lower upright posts, the anti-sedimentation frames are fixedly connected to the outer two sides of four upright posts positioned on four corners of the two lower frame bodies 502 respectively, the bottom end of each connecting rod 404 is fixedly connected with one spacing beam 402 respectively, the connecting bottom plates 401 are fixedly connected between each two spacing beams 402 positioned on the same side, and the outer side frames 403 of all the connecting bottom plates 401 positioned on the same side are fixedly connected together. In this embodiment, the anti-sinking frame is divided into a short side anti-sinking frame 3 and a long side anti-sinking frame 4 according to the location of the anti-sinking frame, wherein two connecting rods 404 in the long side anti-sinking frame 4 are located at two ends of the long side anti-sinking frame 4, so that the length of the long side anti-sinking frame 4 is consistent with the longer side of the lower frame 502, and the connecting rods 404 in the short side anti-sinking frame 3 are located on the spacing beams 402 in the short side anti-sinking frame 3, so that two ends of the short side anti-sinking frame 3 extend to two sides, and the outer ends of the short side anti-sinking frame are flush with the long side anti-sinking frame 4. The upper part 2 of the deepwater structure comprises two upper frames 202 which are parallel to each other, a series of upper upright posts are fixedly connected between the two upper frames 202, and each upper upright post corresponds to one lower upright post to form a group of total upright posts. In this embodiment, a series of upper beams 201 are fixedly connected to the upper frame 202, the lower upper frame 202 further includes an upper vertical beam 203 in addition to the upper beams 201, and a frame surrounded by the upper beams 201 and the upper vertical beams 203 is identical to a frame surrounded by the lower beams 501 and the lower vertical beams 504, and a space for communication is provided in one side of the upper frame 202. The outer sides of each group of total upright posts are respectively fixedly connected with a crane arm bracket 1, in the embodiment, the crane arm bracket 1 is fixedly connected with the upper upright post, but the bottom end extends to the outer part of the lower upright post. Each crane arm bracket 1 comprises a triangular bracket main body 106, the top end of the bracket main body 106 is fixedly connected with an insertion receiving arm 107, one side of the top end is fixedly connected with an outer end fixing arm 104, and the top ends of the insertion receiving arm 107 and the outer end fixing arm 104 are of a bending structure and face opposite directions. One side of the outer end fixing arm 104 is rotatably connected with a rotating arm 105, one end of the rotating arm 105 is fixedly connected with an insertion fixing sheet 103, the top end of the insertion receiving arm 107 is fixedly connected with two clamping sheets 101, and the insertion fixing sheet 103 can be inserted between the two clamping sheets 101. In this embodiment, the clamping piece 101 and the insertion fixing piece 103 have corresponding fixing holes, into which the fixing plug 102 is inserted, thereby fixing the crane arm bracket 1. A cleaning and pressing fixing table is fixedly connected between the insertion receiving arm 107 and the outer end fixing arm 104, and the top end of the cleaning and pressing fixing table can be contacted with the bottom side of the rotating arm 105. In this embodiment, the pig pressing fixing table is provided with a hole through which the pig passes, and the pig is fixed by pressing the rotating arm 105. The deep water structure upper part 2 is fixedly connected with a hydraulic power device and a medicament injection device, and the deep water structure lower part 5 is inserted with a series of medicament box units, and each medicament box unit corresponds to one output end of the hydraulic power device and one output end of the medicament injection device respectively. In this embodiment, ethylene glycol or the like is generally used as the drug. The two parts are connected through the connection structure, the connection structure is designed into a detachable form, when the system is debugged, equipment debugging and medicament injection can be carried out at the bank end, the convenience and the practicability of the whole equipment are improved, the two parts are connected and integrally fixed and lifted and lowered during offshore transportation and construction, the required deck area for transportation is reduced, the offshore operation time is shortened, the detachable anti-sinking structure is designed for different soil conditions, the anti-sinking structure can be additionally arranged according to actual geological conditions, and the guarantee structure is applicable to various different soil geological conditions. After the debugging operation is completed, the equipment is integrally hoisted to the deck of the operation ship.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. The utility model provides a deep water pre-debugging module prevents subsiding structure, includes deep water structure, its characterized in that: the deepwater structure is formed by mutually fixing and screwing two parts of an upper deepwater structure part (2) and a lower deepwater structure part (5) through lifting lugs and bolts, the lower deepwater structure part (5) comprises two mutually parallel lower frame bodies (502), the two lower frame bodies (502) are connected through lower upright posts, the two outer sides of the four lower upright posts positioned on four corners of the two lower frame bodies (502) are fixedly connected with connecting rods (404) respectively, the bottom end of each connecting rod (404) is fixedly connected with a spacing beam (402) respectively, a connecting bottom plate (401) is fixedly connected between each two spacing beams (402) positioned on the same side respectively, and the outer sides of all connecting bottom plates (401) positioned on the same side are fixedly connected with a bottom plate frame (403) together;
The upper part (2) of the deepwater structure comprises two upper frame bodies (202) which are parallel to each other, a series of upper upright posts are fixedly connected between the two upper frame bodies (202), and each upper upright post corresponds to one lower upright post to form a group of total upright posts;
each group of the outer sides of the total upright posts are respectively fixedly connected with a crane arm bracket (1), each crane arm bracket (1) comprises a triangular bracket main body (106), the top end of the bracket main body (106) is fixedly connected with an inserting and bearing arm (107), one side of the top end is fixedly connected with an outer end fixing arm (104), and the top ends of the inserting and bearing arm (107) and the outer end fixing arm (104) are of a bending structure and face opposite directions.
2. The deepwater pre-debugging module anti-settling structure according to claim 1, wherein: one side of the outer end fixing arm (104) is rotatably connected with a rotating arm (105), one end of the rotating arm (105) is fixedly connected with an insertion fixing sheet (103), the top end of the insertion bearing arm (107) is fixedly connected with two clamping sheets (101), and the insertion fixing sheet (103) can be inserted between the two clamping sheets (101).
3. The deepwater pre-debugging module anti-settling structure according to claim 1, wherein: a pipe cleaning pressing fixing table is fixedly connected between the insertion receiving arm (107) and the outer end fixing arm (104), and the top end of the pipe cleaning pressing fixing table is contacted with the bottom side of the rotating arm (105).
4. The deepwater pre-debugging module anti-settling structure according to claim 1, wherein: the deep water structure upper part (2) is fixedly connected with a hydraulic power device and a medicament injection device, the deep water structure lower part (5) is inserted with a series of medicament box units, and each medicament box unit corresponds to one output end of the hydraulic power device and one output end of the medicament injection device respectively.
CN202211048865.6A 2022-08-30 2022-08-30 Anti-sedimentation structure of deepwater pre-debugging module Active CN115492554B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204152481U (en) * 2014-06-19 2015-02-11 中国海洋石油总公司 The cage construction that SSIV door supports
CN105064958A (en) * 2015-07-31 2015-11-18 中国海洋石油总公司 Vertical multi-joint fishing net protection underground pipe manifold
CN205820912U (en) * 2016-06-30 2016-12-21 南京中船绿洲机器有限公司 Skid-mounted type sump oil is processed into cover system device
CN111852400A (en) * 2020-06-10 2020-10-30 海洋石油工程股份有限公司 Combined PLET for connecting flexible vertical pipe

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9221522B2 (en) * 2014-01-07 2015-12-29 Austin Theodore Mohrfeld Vent cap system for a suction pile

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204152481U (en) * 2014-06-19 2015-02-11 中国海洋石油总公司 The cage construction that SSIV door supports
CN105064958A (en) * 2015-07-31 2015-11-18 中国海洋石油总公司 Vertical multi-joint fishing net protection underground pipe manifold
CN205820912U (en) * 2016-06-30 2016-12-21 南京中船绿洲机器有限公司 Skid-mounted type sump oil is processed into cover system device
CN111852400A (en) * 2020-06-10 2020-10-30 海洋石油工程股份有限公司 Combined PLET for connecting flexible vertical pipe

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Address after: 518051 B2903, CNOOC building, No. 3168, Houhaibin Road, blue coast community, Yuehai street, Nanshan District, Shenzhen, Guangdong Province

Applicant after: CNOOC Shenzhen Ocean Engineering Technology Service Co.,Ltd.

Address before: 518051 B2903, CNOOC building, No. 3168, Houhaibin Road, blue coast community, Yuehai street, Nanshan District, Shenzhen, Guangdong Province

Applicant before: COOEC SUBSEA TECHNOLOGY Co.,Ltd.

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