CN109113594A - A kind of combustible ice extraction tubing string - Google Patents
A kind of combustible ice extraction tubing string Download PDFInfo
- Publication number
- CN109113594A CN109113594A CN201810955783.7A CN201810955783A CN109113594A CN 109113594 A CN109113594 A CN 109113594A CN 201810955783 A CN201810955783 A CN 201810955783A CN 109113594 A CN109113594 A CN 109113594A
- Authority
- CN
- China
- Prior art keywords
- conveying
- limit
- cutting ferrule
- combustible ice
- position limiting
- 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.)
- Granted
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- 238000000605 extraction Methods 0.000 title description 8
- 238000001816 cooling Methods 0.000 claims abstract description 69
- 239000000284 extract Substances 0.000 claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims description 40
- 230000011218 segmentation Effects 0.000 claims description 25
- 241000826860 Trapezium Species 0.000 claims description 3
- 230000008094 contradictory effect Effects 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 35
- 238000009434 installation Methods 0.000 description 16
- 238000012423 maintenance Methods 0.000 description 11
- 230000001965 increasing effect Effects 0.000 description 6
- 238000009825 accumulation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000011900 installation process Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002178 crystalline material Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 150000004677 hydrates Chemical class 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/18—Pipes provided with plural fluid passages
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B36/00—Heating, cooling or insulating arrangements for boreholes or wells, e.g. for use in permafrost zones
- E21B36/001—Cooling arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (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)
- Mechanical Engineering (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Pipe Accessories (AREA)
Abstract
The present invention relates to combustible ice winning apparatus field, specifically a kind of combustible ice extracts tubing string, including multiple first limit holes, position limiting structure, structure for conveying, fixed plate and connection structure;Symmetric line is equidistantly equipped with multiple the first limit holes for limiting to position limiting structure two-by-two on the side wall of structure for conveying for conveying the cylindrical structure of combustible ice gas;Position limiting structure for fixed connection structure is fixed on structure for conveying;Set that there are four symmetrical fixed plates two-by-two in connection structure;It is detachably connected with the one-to-one fixed plate of position limiting structure with position limiting structure.Structure for conveying connection of the invention is convenient for the internal cooling in land exploitation and transmission process to structure for conveying for cooling circulating line, effectively prevent the internal temperature of structure for conveying is excessively high to cause danger and its influence to convey quality, improves conveying quality;Two structure for conveying are connected by connection structure, keeps installing and dismounting structure for conveying more convenient, improves the leakproofness between structure for conveying.
Description
Technical field
The present invention relates to combustible ice winning apparatus field, specifically a kind of combustible ice extracts tubing string.
Background technique
With the rapid development of society, scientific and technological progress combustible ice is produced utilization, gas hydrates, organic compound
Object, chemical formula CH4xH2O, that is, combustible ice, are distributed across in the permafrost of halmeic deposit or land-based area, by natural gas and water
The crystalline material of the class ice-like formed under the conditions of high pressure low temperature, it is non-to the requirement of conveyance conduit in the recovery process of combustible ice
Chang Gao, to guarantee going on smoothly for exploitation.
However traditional combustible ice extracts tubing string and does not have the function to pipe cooling in use, in use process
In the leakproofness and its stability of pipeline junction are controlled inconvenient, be not easy to dredge pipeline when Pipeline damage
Maintenance, Pipe installing low efficiency.In consideration of it, the present invention provides a kind of combustible ices to extract tubing string, have the following characteristics that
(1) a kind of combustible ice of the present invention extracts tubing string, and structure for conveying connection is convenient for for cooling circulating line
To the internal cooling of structure for conveying in land exploitation and transmission process, it effectively prevent the excessively high generation of the internal temperature of structure for conveying
Dangerous and its influence conveying quality, substantially increases conveying quality.
(2) a kind of combustible ice of the present invention extracts tubing string, connects two structure for conveying by connection structure, leads to simultaneously
The fixed plate cooperation position limiting structure crossed in connection structure is limited, and is kept installing and dismounting structure for conveying more convenient, is improved defeated
The leakproofness between structure is sent, keeps combustible ice gas transport efficiency and its quality higher, position limiting structure cooperates on structure for conveying
The use of first limit hole improves the stability of position limiting structure, keeps position limiting structure installation more stable, substantially increases pipeline
Installation effectiveness.
(3) a kind of combustible ice of the present invention extracts tubing string, and the use of connection structure is convenient for timely in repair and maintenance
Combustible ice gas is discharged unclog the pipe, effectively prevent air accumulation pressure is excessive to cause the accident, substantially increases repair and maintenance
Efficiency and its quality.
Summary of the invention
For the problems of the prior art, the present invention provides a kind of combustible ices to extract tubing string, and structure for conveying connection is used for
Cooling circulating line is convenient for the internal cooling in land exploitation and transmission process to structure for conveying, effectively prevent structure for conveying
Internal temperature it is excessively high cause danger and its influence convey quality, substantially increase conveying quality;Pass through connection structure connection two
A structure for conveying, while cooperating position limiting structure to be limited by the fixed plate in connection structure, make installing and dismounting structure for conveying
It is more convenient, the leakproofness between structure for conveying is improved, keeps combustible ice gas transport efficiency and its quality higher, position limiting structure
The use of the first limit hole on cooperation structure for conveying improves the stability of position limiting structure, keeps position limiting structure installation more steady
It is fixed, substantially increase Pipe installing efficiency;The timely unclog the pipe in repair and maintenance is convenient in the use of connection structure, by combustible ice
Gas discharge, effectively prevent air accumulation pressure is excessive to cause the accident, substantially increases the efficiency and its quality of repair and maintenance.
The technical solution adopted by the present invention to solve the technical problems is: a kind of combustible ice extracts tubing string, including multiple the
One limit hole, position limiting structure, structure for conveying, fixed plate and connection structure;For conveying the cylindrical structure of combustible ice gas
Symmetric line is equidistantly equipped with multiple described first for limiting to the position limiting structure two-by-two on the side wall of the structure for conveying
Limit hole;The position limiting structure for fixing the connection structure is fixed on the structure for conveying, and the connection structure with
The structure for conveying contradicts;It symmetrically is used to limit the connection structure two-by-two there are four setting in the connection structure
The fixed plate;The fixed plate is detachably connected with the position limiting structure correspondingly with the position limiting structure.
Specifically, the position limiting structure includes the second limit hole, non-slip mat, two cutting ferrules, protrusion, limited block and fixture block,
Two cutting ferrules for limit symmetrically contradict the structure for conveying, and two ends of the cutting ferrule of arcuate structure are set respectively
There are second limit hole of rectangular configuration and the fixture block of rectangular configuration;The fixture block on one cutting ferrule and described
Second limit hole respectively on cutting ferrule described in another second limit hole and the fixture block engage;The middle line of the cutting ferrule
Place be equipped with away from the one side of the structure for conveying it is semicircular for fixing the protrusion of the connection structure, the protrusion with
It is detachably connected between the connection structure, the cutting ferrule is used to prevent close to the one side of the structure for conveying equipped with arcuate structure
The sliding non-slip mat, the cutting ferrule are equipped with away from the one side of the protrusion for cooperating first limit hole to the cutting ferrule
The limited block limited;Two cutting ferrules are socketed in the end of the structure for conveying, it is described on a cutting ferrule
Fixture block and second limit hole respectively on cutting ferrule described in another second limit hole and the fixture block engage;Make institute
The limited block stated on cutting ferrule engages with first limit hole, is then bolted two cutting ferrules, described
Non-slip mat and the structure for conveying contradict, and increasing friction force while effectively prevent the structure for conveying to damage;First limit
Position hole cooperates the use of the limited block to improve the fixed stability of the cutting ferrule, the limited block and institute on the cutting ferrule
State avoided while the setting of the second limit hole improves stability needed in the fixation cutting ferrule it is fixed to the cutting ferrule
Position, substantially increases the convenient performance of installation.
Specifically, the limited block and first limit hole are trigone cone structure, and the arc length of the non-slip mat
It is gradually reduced from edge to the center point, the non-slip mat engages with the cutting ferrule;The limited block cooperates first limit hole
Use enhance the stability of the cutting ferrule, while the non-slip mat engage with the cutting ferrule be conveniently replaceable it is described anti-skidding
Pad.
Specifically, the structure for conveying includes cooling tube, three limiting slots, cooling duct, segmentation set and gas distribution channel, circle
The cooling tube and the cutting ferrule of annular contradict, and symmetric line is equidistantly equipped with multiple be used for two-by-two on the side wall of the cooling tube
To first limit hole of cutting ferrule limit, the inside that the segmentation of tri-prismoid structure is sheathed on the cooling tube will
The cooling tube is divided into the institute for the cooling cooling duct and the tri-prismoid structure for collecting combustible ice gas
State gas distribution channel, the inside of the cooling tube sets that there are three for the semi-cylindrical structure to the position limiting structure guide and limit
The limiting slot;Cooling water covers to pass through the segmentation to the gas distribution channel in the internal circulation of the cooling duct
Internal cooling, while having the function of heat-insulated, it effectively prevent gas transmission temperature is excessively high to cause construction accident, the segmentation set is trigone
Heat exchange area is increased in the case where the same volume of column structure, improves cooling effect, while triangular structure enhances institute
State the stability of cooling tube.
Specifically, the connection structure includes connector sleeve, the first sealing ring, the second sealing ring, gag lever post, the first drainage
Hole, limit sleeve, the second conduction hole and limit room, the side wall of the connector sleeve are symmetrically arranged with four for cooperating the cutting ferrule two-by-two
The fixed plate limited, the inside of the connector sleeve are equipped with the limit limited for the cooling tube
Room, the both ends of the connector sleeve are equipped with the limit sleeve for engage with the segmentation set of tri-prismoid structure, are used for pair
It is described segmentation set contradict sealing second sealing ring be set to it is described limit room inside and the limit sleeve be socketed, for pair
First sealing ring that the cooling tube contradicts the ring structure of limit engages with the connector sleeve, the inside of the limit room
Equipped with the gag lever post with the one-to-one semicolumn of the limiting slot, the first conduction hole described in band internal thread through
The connector sleeve is connected with the cooling duct, band internal thread described in the second conduction hole through the connector sleeve with it is described
Gas distribution channel conducting;The limit sleeve and the segmentation set are engaged, the gag lever post engages with the limiting slot, makes described the
One sealing ring and the cooling tube contradict, and second sealing ring and segmentation set contradict, by the fixed plate and the card
It is bolted to connection between set, keeps the connection sealing between the cooling tube more preferable, make disassembly that the conveying to be installed
Structure and the connection structure are more convenient, and the limit sleeve, which avoids to wait during installation for triangular structure, to be needed to determine again
Position, while the gag lever post is convenient for enhancing between the connector sleeve and the cooling tube connector sleeve guide and limit
Lateral anti-pressure ability keeps combustible ice exploitation more safe and efficient.
Specifically, the cross section of the bottom end of first sealing ring is triangle, the cross section of second sealing ring is
Trapezium structure;Engage the connector sleeve convenient for first sealing ring and second sealing ring, when preventing fixed described in the
One sealing ring and the second sealing ring sideslip influence leakproofness.
Specifically, the connection structure further includes standby valve, the standby valve is extended to through the connector sleeve
In gas transmission space between two first conduction holes;When some described structure for conveying damages, by adjacent close gas transmission
The standby valve of one of source is opened, and interim appendix is connect with the standby valve, will be carried on the back on the standby valve
First conduction hole and second conduction hole installation valve blockage from the cooling tube are sealed, and make installing and dismounting institute
State that structure for conveying is more convenient, the inside gas pressure for avoiding the transfer passage during the installation process is suppressed strong excessive, makes to examine
It is more convenient to repair to maintain equipment.
Beneficial effects of the present invention:
(1) a kind of combustible ice of the present invention extracts tubing string, and structure for conveying connection is convenient for for cooling circulating line
To the internal cooling of structure for conveying in land exploitation and transmission process, it effectively prevent the excessively high generation of the internal temperature of structure for conveying
Dangerous and its influence conveying quality, substantially increases conveying quality.
(2) a kind of combustible ice of the present invention extracts tubing string, connects two structure for conveying by connection structure, leads to simultaneously
The fixed plate cooperation position limiting structure crossed in connection structure is limited, and is kept installing and dismounting structure for conveying more convenient, is improved defeated
The leakproofness between structure is sent, keeps combustible ice gas transport efficiency and its quality higher, position limiting structure cooperates on structure for conveying
The use of first limit hole improves the stability of position limiting structure, keeps position limiting structure installation more stable, substantially increases pipeline
Installation effectiveness.
(3) a kind of combustible ice of the present invention extracts tubing string, and the use of connection structure is convenient for timely in repair and maintenance
Combustible ice gas is discharged unclog the pipe, effectively prevent air accumulation pressure is excessive to cause the accident, substantially increases repair and maintenance
Efficiency and its quality.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is a kind of structural schematic diagram for preferred embodiment that combustible ice provided by the invention extracts tubing string;
Fig. 2 is the structural schematic diagram of position limiting structure shown in FIG. 1;
Fig. 3 is the attachment structure schematic diagram of connection structure shown in FIG. 1 and fixed plate;
Fig. 4 is the structural schematic diagram of connection structure shown in Fig. 3.
In figure: 1, first limit hole, 2, position limiting structure, the 21, second limit hole, 22, non-slip mat, 23, cutting ferrule, 24, protrusion,
25, limited block, 26, fixture block, 3, structure for conveying, 31, cooling tube, 32, limiting slot, 33, cooling duct, 34, segmentation set, 35, defeated
Gas channel, 4, fixed plate, 5, connection structure, 51, connector sleeve, the 52, first sealing ring, the 53, second sealing ring, 54, gag lever post,
55, the first conduction hole, 56, limit sleeve, the 57, second conduction hole, 58, limit room, 59, standby valve.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Specific embodiment is closed, the present invention is further explained.
As shown in Figure 1, Figure 2 and Figure 3, a kind of combustible ice of the present invention extracts tubing string, including multiple first limit holes
1, position limiting structure 2, structure for conveying 3, fixed plate 4 and connection structure 5;For conveying described in the cylindrical structure of combustible ice gas
Symmetric line is equidistantly equipped with multiple first limits for limiting to the position limiting structure 2 two-by-two on the side wall of structure for conveying 3
Position hole 1;The position limiting structure 2 for fixing the connection structure 5 is fixed on the structure for conveying 3, and the connection structure 5
It is contradicted with the structure for conveying 3;It is set in the connection structure 5 and is used to carry out the connection structure 5 there are four symmetrical two-by-two
The fixed plate 4 of limit;Detachably connect with the one-to-one fixed plate 4 of the position limiting structure 2 with the position limiting structure 2
It connects.
Specifically, as depicted in figs. 1 and 2, a kind of combustible ice extraction tubing string of the present invention, the position limiting structure 2 wraps
The second limit hole 21,22, two cutting ferrules 23 of non-slip mat, protrusion 24, limited block 25 and fixture block 26 are included, for described in two of limit
Cutting ferrule 23 symmetrically contradicts the structure for conveying 3, and two ends of the cutting ferrule 23 of arcuate structure are respectively equipped with rectangular configuration
The fixture block 26 of second limit hole 21 and rectangular configuration;The fixture block 26 and described second on one cutting ferrule 23
Limit hole 21 respectively on cutting ferrule 23 described in another second limit hole 21 and the fixture block 26 engage;The cutting ferrule 23
Midline be equipped with away from the one side of the structure for conveying 3 it is semicircular for fixing described raised the 24 of the connection structure 5,
It is detachably connected between described raised 24 and the connection structure 5, the cutting ferrule 23 is equipped with close to the one side of the structure for conveying 3
Arcuate structure is used for the anti-skidding non-slip mat 22, and the cutting ferrule 23 is equipped with away from raised 24 one side for cooperating
State the limited block 25 that the first limit hole 1 limits the cutting ferrule 23;Two cutting ferrules 23 are socketed in the conveying knot
The end of structure 3, the fixture block 26 and second limit hole 21 on a cutting ferrule 23 respectively with cutting ferrule described in another
Second limit hole 21 and the fixture block 26 on 23 engage;Make the limited block 25 and described first on the cutting ferrule 23
Limit hole 1 engages, and is then bolted two cutting ferrules 23, and the non-slip mat 22 is contradicted with the structure for conveying 3,
It effectively prevent the structure for conveying 3 to damage while increasing friction force;First limit hole 1 cooperates making for the limited block 25
With improving the fixed stability of the cutting ferrule 23, the limited block 26 and second limit hole 21 on the cutting ferrule 23
Setting avoids while improving stability to be needed to position the cutting ferrule 23 at fixation cutting ferrule 23, is greatly improved
The convenient performance of installation.
Specifically, a kind of as depicted in figs. 1 and 2, combustible ice extraction tubing string of the present invention, the limited block 25 and institute
Stating the first limit hole 1 is trigone cone structure, and the arc length of the non-slip mat 22 is gradually reduced from edge to the center point, described
Non-slip mat 22 engages with the cutting ferrule 23;The limited block 25 cooperates the use of first limit hole 1 to enhance the cutting ferrule
23 stability, while the non-slip mat 22 engages with the cutting ferrule 23 and is conveniently replaceable the non-slip mat 22.
Specifically, as depicted in figs. 1 and 2, a kind of combustible ice extraction tubing string of the present invention, the structure for conveying 3 wraps
Include 31, three limiting slots 32 of cooling tube, cooling duct 33, segmentation set 34 and gas distribution channel 35, the cooling tube 31 of circular ring shape
It is contradicted with the cutting ferrule 23, symmetric line is equidistantly equipped with multiple be used for the cutting ferrule 23 two-by-two on the side wall of the cooling tube 31
First limit hole 1 of limit, the inside that the segmentation set 34 of tri-prismoid structure is set to the cooling tube 31 will be described
Cooling tube 31 is divided into the institute for the cooling cooling duct 33 and the tri-prismoid structure for collecting combustible ice gas
State gas distribution channel 35, the inside of the cooling tube 31 sets that there are three for the semicylinder to 2 guide and limit of position limiting structure
The limiting slot 32 of structure;Cooling water the cooling duct 33 internal circulation, thus by the segmentation set 34 pairs of institutes
The internal cooling of gas distribution channel 35 is stated, while having the function of heat-insulated, effectively prevent gas transmission temperature is excessively high to cause construction accident, institute
Heat exchange area is increased in the case where segmentation set 34 is stated as the same volume of tri-prismoid structure, improves cooling effect, while three
Angular structure enhances the stability of the cooling tube 31.
Specifically, shown in as shown in Figure 1, Figure 3 and Figure 4, a kind of combustible ice extraction tubing string of the present invention, the connection structure
5 draw including connector sleeve 51, the first sealing ring 52, the second sealing ring 53, gag lever post 54, the first conduction hole 55, limit sleeve 56, second
Discharge orifice 57 and limit room 58, the side wall of the connector sleeve 51 are symmetrically arranged with four for cooperating the cutting ferrule to be limited two-by-two
The fixed plate 4, the inside of the connector sleeve 51 are equipped with the limit room 58 limited for the cooling tube 31, institute
State connector sleeve 51 both ends be equipped with tri-prismoid structure for 34 limit sleeves 56 that engages of segmentation set, be used for pair
Second sealing ring 53 that the segmentation set 34 contradicts sealing is set to 56 sets of inside and the limit sleeve of the limit room 58
It connects, engages for contradicting first sealing ring 52 of ring structure of limit to the cooling tube 31 with the connector sleeve 51,
The inside of the limit room 58 is equipped with the gag lever post 54 with the one-to-one semicolumn of the limiting slot 32, has internal screw thread
First conduction hole 55 be connected through the connector sleeve 51 and the cooling duct 33, second described in band internal thread
Conduction hole 57 is connected through the connector sleeve 51 with the gas distribution channel 35;By the limit sleeve 56 and 34 card of segmentation set
It closing, the gag lever post 54 engage with the limiting slot 32, makes first sealing ring 52 and the cooling tube 31 conflict, and described the
Two sealing rings 53 are contradicted with segmentation set 34, will be bolted to connection, are made between the fixed plate 4 and the cutting ferrule 23
Connection sealing between the cooling tube 31 can be more preferable, and disassembly is made to install the structure for conveying 3 and the connection structure 5 more
Convenient, the limit sleeve 56, which avoids to wait during installation for triangular structure, to be needed to relocate, while the gag lever post 54 is just
In to 51 guide and limit of connector sleeve, the lateral anti-pressure ability between the connector sleeve 51 and the cooling tube 31 is enhanced,
Keep combustible ice exploitation more safe and efficient.
Specifically, shown in as shown in Figure 1, Figure 3 and Figure 4, a kind of combustible ice extraction tubing string of the present invention, first sealing
The cross section of the bottom end of circle 52 is triangle, and the cross section of second sealing ring 53 is trapezium structure;It is close convenient for described first
Seal 52 and second sealing ring 53 engage the connector sleeve 51, when preventing fixed described in the first sealing ring 52 and described the
Two sealing rings, 53 sideslip influences leakproofness.
Specifically, shown in as shown in Figure 1, Figure 3 and Figure 4, a kind of combustible ice extraction tubing string of the present invention, the connection structure
5 further include standby valve 59, and the standby valve 59 extends to two first conduction holes 55 through the connector sleeve 51
Between gas transmission space in;It is described spare by one of adjacent close gas transmission source when some described structure for conveying damages
Valve 59 is opened, and interim appendix is connect with the standby valve 59, and the cooling tube will be deviated from the standby valve 59
31 first conduction hole 55 and second conduction hole 57 installation valve blockage are sealed, and make conveying described in installing and dismounting
Structure 3 is more convenient, and the inside gas pressure for avoiding the transfer passage during the installation process is suppressed strong excessive, makes repair and maintenance
Equipment is more convenient.
First by the end fixing and limiting structure 2 of each structure for conveying 3, make position limiting structure 2 and the most end of structure for conveying 3
The first limit hole 1 engage limit, will be connected between two structure for conveying 3 by connection structure 5, by consolidating in connection structure 5
Fixed board 4 and position limiting structure 2 limit, and the structure for conveying 3 of end is then connected water valve;Specifically have:
(1) two cutting ferrules 23 are socketed in the end of structure for conveying 3, fixture block 26 and the second limit hole on a cutting ferrule 23
21 respectively on another cutting ferrule 23 the second limit hole 21 and fixture block 26 engage;Make the limited block 25 and the first limit on cutting ferrule 23
Position hole 1 engages, and is then bolted two cutting ferrules 23, and non-slip mat 22 and structure for conveying 3 contradict, increasing friction force it is same
When effectively prevent structure for conveying 3 damage;First limit hole 1 cooperates the use of limited block 25 to improve, and cutting ferrule 23 is fixed to be consolidated
Property, the setting of limited block 26 and the second limit hole 21 on cutting ferrule 23 is avoided while improving stability in fixed cutting ferrule 23
When need to cutting ferrule 23 position, substantially increase the convenient performance of installation;
(2) limit sleeve 56 34 is engaged with segmentation set, gag lever post 54 engages with limiting slot 32, make the first sealing ring 52 with it is cold
But pipe 31 contradicts, and the second sealing ring 53 is contradicted with segmentation set 34, will be bolted to connection between fixed plate 4 and cutting ferrule 23,
Keep the connection sealing between cooling tube 31 more preferable, keeps disassembly installation structure for conveying 3 and connection structure 5 more convenient, limit
Set 56, which avoids to wait during installation for triangular structure, to be needed to relocate, while gag lever post 54 is convenient for limiting the guiding of connector sleeve 51
Position, enhances the lateral anti-pressure ability between connector sleeve 51 and cooling tube 31, keeps combustible ice exploitation more safe and efficient;
(3) the first conduction hole 55 of the least significant end of end is connected into gas processing device, the second conduction hole is connected and is cooled down
The valve of recirculated water, cooling water cooling duct 33 internal circulation, thus by segmentation set 34 pairs of gas distribution channels 35 inside
Cooling, while having the function of heat-insulated, it effectively prevent gas transmission temperature is excessively high to cause construction accident, segmentation set 34 is tri-prismoid knot
Heat exchange area is increased in the case where the same volume of structure, improves cooling effect, while triangular structure enhances cooling tube 31
Stability;
(4) when some structure for conveying damages, a standby valve 59 in adjacent close gas transmission source is opened, will be faced
When appendix connect with standby valve 59, will on standby valve 59 deviate from cooling tube 31 the first conduction hole 55 and the second conduction hole
57 installation valve blockages are sealed, and are kept installing and dismounting structure for conveying 3 more convenient, are avoided transfer passage during the installation process
Inside gas pressure suppress strong excessive, keep repair and maintenance equipment more convenient.
The connection of structure for conveying 3 of the invention is convenient in land exploitation and transmission process for cooling circulating line to defeated
The internal cooling for sending structure 3 effectively prevent the internal temperature of structure for conveying 3 is excessively high to cause danger and its influence to convey quality, greatly
Conveying quality is improved greatly;Two structure for conveying 3 are connected by connection structure 5, while passing through the fixed plate 4 in connection structure 5
Cooperation position limiting structure 2 is limited, and is kept installing and dismounting structure for conveying 3 more convenient, is improved the sealing between structure for conveying 3
Property, keep combustible ice gas transport efficiency and its quality higher, position limiting structure 2 cooperates making for the first limit hole 1 on structure for conveying 3
With the stability for improving position limiting structure 2, keeps the installation of position limiting structure 2 more stable, substantially increase Pipe installing efficiency;Connection
The timely unclog the pipe in repair and maintenance is convenient in the use of structure 5, and combustible ice gas is discharged, air accumulation pressure is effectively prevent
It is excessive to cause the accident, substantially increase the efficiency and its quality of repair and maintenance.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the description in above embodiment and specification only illustrates the present invention
Principle, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these variation and
Improvement is both fallen in the scope of protection of present invention.The claimed scope of the invention is by appended claims and its equivalent
Object defines.
Claims (7)
1. a kind of combustible ice extracts tubing string, it is characterised in that: including multiple first limit holes (1), position limiting structure (2), conveying knot
Structure (3), fixed plate (4) and connection structure (5);For conveying the structure for conveying (3) of the cylindrical structure of combustible ice gas
Side wall on two-by-two symmetric line be equidistantly equipped with multiple first limit holes (1) for limiting to the position limiting structure (2);
The position limiting structure (2) for fixing the connection structure (5) is fixed on the structure for conveying (3), and the connection structure
(5) it is contradicted with the structure for conveying (3);It is set on the connection structure (5) and is used to tie the connection there are four symmetrical two-by-two
The fixed plate (4) that structure (5) is limited;With the one-to-one fixed plate (4) of the position limiting structure (2) and the limit
Bit architecture (2) is detachably connected.
2. a kind of combustible ice according to claim 1 extracts tubing string, it is characterised in that: the position limiting structure (2) includes the
Two limit holes (21), non-slip mat (22), two cutting ferrules (23), raised (24), limited block (25) and fixture block (26), for limit
Two cutting ferrules (23) symmetrically contradict the structure for conveying (3), two ends difference of the cutting ferrule (23) of arcuate structure
The fixture block (26) of second limit hole (21) and rectangular configuration equipped with rectangular configuration;On one cutting ferrule (23)
The fixture block (26) and second limit hole (21) respectively with second limit hole on cutting ferrule described in another (23)
(21) engage with the fixture block (26);One side of the midline of the cutting ferrule (23) away from the structure for conveying (3) is equipped with semicircle
Raised (24) for being used to fix the connection structure (5) of shape, can between the protrusion (24) and the connection structure (5)
Dismantling connection, one side of the cutting ferrule (23) close to the structure for conveying (3) be equipped with arcuate structure for anti-skidding described anti-
Skidding (22), one side of the cutting ferrule (23) away from raised (24) are equipped with for cooperating first limit hole (1) to institute
State the limited block (25) that cutting ferrule (23) is limited.
3. a kind of combustible ice according to claim 2 extracts tubing string, it is characterised in that: the limited block (25) and described the
One limit hole (1) is trigone cone structure, and the arc length of the non-slip mat (22) is gradually reduced from edge to the center point, described
Non-slip mat (22) engages with the cutting ferrule (23).
4. a kind of combustible ice according to claim 3 extracts tubing string, it is characterised in that: the structure for conveying (3) includes cold
But manage (31), three limiting slots (32), cooling duct (33), segmentation set (34) and gas distribution channel (35), circular ring shape it is described cold
But pipe (31) and the cutting ferrule (23) contradict, and symmetric line is equidistantly equipped with multiple be used for two-by-two on the side wall of the cooling tube (31)
To first limit hole (1) of the cutting ferrule (23) limit, the segmentation set (34) of tri-prismoid structure is set to described cold
The cooling tube (31) is divided into for the cooling cooling duct (33) and flammable for collecting by the inside for but managing (31)
The gas distribution channel (35) of the tri-prismoid structure of ice gas, the inside of the cooling tube (31) set that there are three for described
The limiting slot (32) of the semi-cylindrical structure of position limiting structure (2) guide and limit.
5. a kind of combustible ice according to claim 4 extracts tubing string, it is characterised in that: the connection structure (5) includes connecting
Female connector (51), the first sealing ring (52), the second sealing ring (53), gag lever post (54), the first conduction hole (55), limit sleeve (56),
Second conduction hole (57) and limit room (58), the side wall of the connector sleeve (51) are symmetrically arranged with four for cooperating the card two-by-two
The fixed plate (4) limited is covered, the inside of the connector sleeve (51) is equipped with to be limited for the cooling tube (31)
The limit room (58) of position, the both ends of the connector sleeve (51) are equipped with being used for and segmentation set (34) for tri-prismoid structure
The limit sleeve (56) of engaging, second sealing ring (53) for contradicting sealing to the segmentation set (34) are set to described
The inside and the limit sleeve (56) for limiting room (58) are socketed, for the ring structure to the cooling tube (31) conflict limit
First sealing ring (52) engages with the connector sleeve (51), and the inside of limit room (58) is equipped with and the limiting slot
(32) gag lever post (54) of one-to-one semicolumn, the first conduction hole (55) described in band internal thread is through described
Connector sleeve (51) and the cooling duct (33) are connected, and the second conduction hole (57) described in band internal thread is through the connection
(51) and the gas distribution channel (35) are covered to be connected.
6. a kind of combustible ice according to claim 5 extracts tubing string, it is characterised in that: the bottom of first sealing ring (52)
The cross section at end is triangle, and the cross section of second sealing ring (53) is trapezium structure.
7. a kind of combustible ice according to claim 5 extracts tubing string, it is characterised in that: the connection structure (5) further includes
Standby valve (59), the standby valve (59) extend to two first conduction holes (55) through the connector sleeve (51)
Between gas transmission space in.
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CN201810955783.7A CN109113594B (en) | 2018-08-21 | 2018-08-21 | Combustible ice extraction tubular column |
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CN201810955783.7A CN109113594B (en) | 2018-08-21 | 2018-08-21 | Combustible ice extraction tubular column |
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CN109113594B CN109113594B (en) | 2019-12-06 |
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WO2012065218A1 (en) * | 2010-11-16 | 2012-05-24 | Amog Technologies Pty Ltd | A segmented riser bundle |
CN105386732A (en) * | 2015-12-08 | 2016-03-09 | 中国石油天然气股份有限公司 | Tool for downhole hot water circulation |
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US3503366A (en) * | 1962-06-29 | 1970-03-31 | Clarence W Brandon | Apparatus for forming and/or augmenting an energy wave |
DE19727493A1 (en) * | 1997-06-27 | 1999-01-07 | Ulrich Pflueger | Geothermal probe in borehole, for heat pump system |
CN101590950A (en) * | 2009-02-23 | 2009-12-02 | 丁圆 | The docking facilities of delivery system |
CN201559998U (en) * | 2009-12-03 | 2010-08-25 | 扬州电力设备修造厂 | Expansion variable-diameter joint of pipeline in pneumatic conveying system |
CN201620772U (en) * | 2010-03-25 | 2010-11-03 | 陕西陆油石油自动化设备有限公司 | A lead-buckle device |
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