CN207583340U - A kind of detachable device for fracturing wellhead - Google Patents

A kind of detachable device for fracturing wellhead Download PDF

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Publication number
CN207583340U
CN207583340U CN201721405538.6U CN201721405538U CN207583340U CN 207583340 U CN207583340 U CN 207583340U CN 201721405538 U CN201721405538 U CN 201721405538U CN 207583340 U CN207583340 U CN 207583340U
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China
Prior art keywords
disk
cover plate
ring
screw
communicated
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CN201721405538.6U
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Chinese (zh)
Inventor
戴义明
戴京
刘丽华
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JIANGSU TENGLONG PETROCHEMICAL MACHINERY Co Ltd
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JIANGSU TENGLONG PETROCHEMICAL MACHINERY Co Ltd
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Abstract

The utility model provides a kind of detachable device for fracturing wellhead, is related to wellhead assembly technical field.The detachable device for fracturing wellhead, including small four-way, the top and bottom of small four-way is communicated with the first connecting tube, and wax cleaning tube is communicated on the right side of small four-way.The detachable device for fracturing wellhead, pass through the first method disk, second method disk, standing screw, the cooperation of hold-doun nut and fixed screw ring, as long as standing screw is taken out by the inside of the first method disk and the second method disk, just the separation of the first method disk and the second method disk can be realized, disk is fixed by first, second fixes disk, first cover plate, lantern ring, second cover plate, interconnected ring, tie down screw, the cooperation of lock nut and lock screw ring, tie down screw is taken out by the inside of the first cover plate and the second cover plate, just it can realize that the first fixation disk and second fixes the separation of disk, to sum up, the device for fracturing wellhead is made to have reached easy-to-dismount effect, convenient for improving the efficiency of mining operations.

Description

A kind of detachable device for fracturing wellhead
Technical field
The utility model is related to wellhead assembly technical field, specially a kind of detachable device for fracturing wellhead.
Background technology
In oil field, pressure break refers in oil recovery or gas production process, using hydraulic action, oil-gas Layer is made to form the one of crack Kind method, also known as hydraulic fracturing.Pressure break is that stratum is artificially made to generate crack, improves flowing environment of the oil in underground, makes oil well Yield increases, and can be played an important role to improving oil well shaft bottom flox condition, slowing down interlayer and improving reservoir producing situation.
It is current technology state-of-the-art in the world by horizontal well progress multistage subsection pressure break in oilfield development process, generation Table the developing direction of oil recovery gas producing technology technology, and so-called multistage subsection fracturing technique is exactly along horizontal hole in pit shaft Direction, it is stringent with technical measures on preferably several or more horizontal segments of reservoir properties according to reservoir characteristics and reservoir characteristic Preforation tunnel quantity, aperture and perforation phase are controlled, by a pressing crack construction, while presses off several or more horizontal segment oil reservoirs Technology.For tight sand and shale oil gas, only increase its draining lose heart volume and area could be mined, and Horizontal well multistage subsection fracturing technique exactly reaches this purpose, the core technology for improving well yield, so fracture well head fills It is essential product that oil field emphasis well carries out extensive, high discharge capacity, bull injection fracture acidizing stimulation work to put.
The exploitation of coal bed gas can make up the wretched insufficiency of China's clear energy sources, improve energy resource structure, contain low coal mine watt This disaster reduces the methane emptying during mining, improves atmosphere quality.Coal bed gas well is realized by drainage and step-down Gas discharge, in this way, being needed in gas production constantly from underground to extracardiac pumping, with the increase of displacement, the pressure of underground Also can decline therewith, if pressure declines the stress sensitive of too fast reservoir and speed is quick that reservoir can be damaged.Meanwhile with draining The increase of amount, down-hole liquid viscosity can also increase, these all affect the service life of wellhead assembly, and need quick dimension It repaiies, this just needs a kind of wellhead assembly of fast assembling-disassembling, however existing device for fracturing wellhead removes extremely inconvenient, this meeting Influence the progress of mining operations.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of detachable device for fracturing wellhead, solves above-mentioned The existing device for fracturing wellhead proposed in background technology is not easy to the problem of dismounting.
(2) technical solution
In order to achieve the above object, the utility model is achieved by the following technical programs:A kind of detachable fracture well head Device, including small four-way, the top and bottom of the small four-way is communicated with the first connecting tube, the right side connection of the small four-way There is wax cleaning tube, paraffin valve is provided on the wax cleaning tube, the first conduit is communicated on the left of the small four-way, described first leads Pipe is installed with the first method disk far from one end of small four-way, is communicated with the second method disk on the left of the first method disk, and described the The inside of one method disk and the second method disk, which is interted, is provided with standing screw, and the left end of the standing screw is installed with fixed spiral shell Cap is threaded with fixed screw ring on the standing screw on the right side of the first method disk, is communicated on the left of the second method disk Second conduit is provided with master valve on second conduit, and the one end of second conduit far from the second method disk is installed with First fixes disk, and the second fixation disk is provided on the left of the first fixation disk, and described first, which fixes disk, includes the first cover plate, institute The inside for stating the first cover plate is installed with lantern ring, and described second, which fixes disk, includes the second cover plate, the inside of second cover plate Interconnected ring is installed with, the inside of the interconnected ring, lantern ring and the second cover plate, which is interted, is provided with tie down screw, the locking screw One end that bar is located inside interconnected ring is installed with lock nut, is threadedly coupled on the tie down screw outside second cover plate There is a lock screw ring, be communicated with third conduit on the left of the second fixation disk, the left end of the third conduit is communicated with big by four Logical, the top and bottom of the big four is communicated with the second connecting tube, and Method for Installation is installed on the left of the big four Disk.
Preferably, the lantern ring and the first cover plate coordinate shape in concentric circles between the lantern ring and the inner wall of the first cover plate Into there is set access slot.
Preferably, the interconnected ring, lantern ring and the second cover plate are in concentric circles, the outer shroud of the interconnected ring and the inner wall of lantern ring It is in contact.
Preferably, one end of the standing screw sequentially passes through the second method disk and the first method disk and extends to the first method disk Outside, the first method disk offer the through-hole being adapted with standing screw with the inside of the second method disk.
Preferably, the quantity of the tie down screw is ten, and one end of the tie down screw sequentially passes through interconnected ring, lantern ring With the second cover plate and the outside of the second cover plate is extended to, the interconnected ring, lantern ring and the inside of the second cover plate offer and lock The through-hole that tight screw rod is adapted.
Preferably, the quantity of the lock screw ring is ten, and ten lock screw rings are equally distributed on second in a ring The outer surface of cover plate.
(3) advantageous effect
The utility model provides a kind of detachable device for fracturing wellhead.Has following advantageous effect:
1st, the detachable device for fracturing wellhead passes through the first method disk, the second method disk, standing screw, hold-doun nut and fixation The cooperation of screw ring as long as standing screw is taken out by the inside of the first method disk and the second method disk, just can realize the first method disk With the separation of the second method disk, disk, the second fixation disk, the first cover plate, lantern ring, the second cover plate, interconnected ring, locking are fixed by first Tie down screw by the inside of the first cover plate and the second cover plate is taken out, just can by the cooperation of screw rod, lock nut and lock screw ring It realizes the first separation for fixing disk and the second fixation disk, to sum up, the device for fracturing wellhead is made to have reached easy-to-dismount effect, just In the efficiency for improving mining operations.
2nd, the detachable device for fracturing wellhead passes through the first cover plate, lantern ring, the second cover plate, interconnected ring, tie down screw, lock After the cooperation of tight nut and lock screw ring, lock nut and lock screw ring are tightened, clamping between lantern ring and interconnected ring can be made Must be tighter, so as to make to be bonded tighter between the first cover plate and the second cover plate, to sum up, make the overall structure of the device for fracturing wellhead It is more firm, convenient for the progress of mining operations.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model;
Fig. 2 is the structure diagram of the first cover plate of the utility model;
Fig. 3 is the mounting structure schematic diagram of the first cover plate of the utility model and the second cover plate.
In figure:1 small four-way, 2 first connecting tubes, 3 wax cleaning tubes, 4 paraffin valves, 5 first conduits, 6 first method disks, 7 second Disk, 14 second are fixed in method disk, 8 standing screws, 9 hold-doun nuts, 10 fixed screw rings, 11 second conduits, 12 master valves, 13 first Fixed disk, 15 first cover plates, 16 lantern rings, 17 second cover plates, 18 interconnected rings, 19 tie down screws, 20 lock nuts, 21 locking screws Silk ring, 22 third conduits, 23 big fours, 24 second connecting tubes, 25 Method for Installation disks.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work All other embodiments obtained shall fall within the protection scope of the present invention.
The utility model embodiment provides a kind of detachable device for fracturing wellhead, as shown in Figs. 1-3, including small four-way 1, It is characterized in that:The top and bottom of small four-way 1 is communicated with the first connecting tube 2, and the right side of small four-way 1 is communicated with wax cleaning tube 3, clearly Be provided with paraffin valve 4 on ceratuba 3, the left side of small four-way 1 is communicated with the first conduit 5, the first conduit 5 far from small four-way 1 one End is installed with the first method disk 6, and the left side of the first method disk 6 is communicated with the second method disk 7, and the first method disk 6 is interior with the second method disk 7 Portion, which interts, is provided with standing screw 8, and one end of standing screw 8 sequentially passes through the second method disk 7 and the first method disk 6 and extends to The outside of one method disk 6, the first method disk 6 offer the through-hole being adapted with standing screw 8 with the inside of the second method disk 7, fixed The left end of screw rod 8 is installed with hold-doun nut 9, and fixed screw ring is threaded on the standing screw 8 on 6 right side of the first method disk 10, by the first method disk 6, the second method disk 7, standing screw 8, hold-doun nut 9 and fixed screw ring 10 with cooperation, as long as will be solid Determine screw rod 8 to be taken out by the inside of the first method disk 6 and the second method disk 7, just can realize the separation of the first method disk 6 and the second method disk 7, The left side of second method disk 7 is communicated with the second conduit 11, master valve 12 is provided on the second conduit 11, the second conduit 11 is far from One end of two method disks 7 is installed with the first fixation disk 13, and the left side of the first fixation disk 13 is provided with the second fixation disk 14, and first Fixed disk 13 includes the first cover plate 15, and the inside of the first cover plate 15 is installed with lantern ring 16, and lantern ring 16 is in the first cover plate 15 Concentric circles has cooperatively formed set access slot between the inner wall of 16 and first cover plate 15 of lantern ring, and second, which fixes disk 14, includes the second cover plate 17, the inside of the second cover plate 17 is installed with interconnected ring 18, and interconnected ring 18,16 and second cover plate 17 of lantern ring are interior in concentric circles The outer shroud for connecing ring 18 is in contact with the inner wall of lantern ring 16, interconnected ring 18,16 and second cover plate 17 of lantern ring inside intert and be provided with Tie down screw 19, the quantity of tie down screw 19 are ten, and one end of tie down screw 19 sequentially passes through interconnected ring 18, lantern ring 16 and the Two cover plates 17 and the outside for extending to the second cover plate 17, interconnected ring 18,16 and second cover plate 17 of lantern ring inside offer with The through-hole that tie down screw 19 is adapted, one end that tie down screw 19 is located inside interconnected ring 18 are installed with lock nut 20, Lock screw ring 21 is threaded on tie down screw 19 outside second cover plate 17, disk 13, second is fixed by first and fixes Disk 14, the first cover plate 15, lantern ring 16, the second cover plate 17, interconnected ring 18, tie down screw 19, lock nut 20 and lock screw ring Tie down screw 19 by the inside of the first cover plate 15 and the second cover plate 17 is taken out, just can realize the first fixation disk 13 by 21 cooperation The separation for fixing disk 14 with second, at the same time, after lock nut 20 and lock screw ring 21 are tightened, can make lantern ring 16 with it is interior It connects clamping between ring 18 and obtains tighter, so as to make to be bonded tighter between the first cover plate 15 and the second cover plate 17, to sum up, make the pressure The overall structure for splitting wellhead assembly is more firm, and convenient for the progress of mining operations, the left side of the second fixation disk 14 is communicated with third Conduit 22, the left end of third conduit 22 are communicated with big four 23, and the top and bottom of big four 23 is communicated with the second connecting tube 24, the left side of big four 23 is installed with Method for Installation disk 25.
Operation principle:During utility model works, pass through the first method disk 6, the second method disk 7, standing screw 8, hold-doun nut 9 It, just can be real as long as standing screw 8 is taken out by the inside of the first method disk 6 and the second method disk 7 with fixed screw ring 10 with cooperation The separation of existing first method disk 6 and the second method disk 7 fixes disk 13, second by first and fixes disk 14, the first cover plate 15, lantern ring 16th, the cooperation of the second cover plate 17, interconnected ring 18, tie down screw 19, lock nut 20 and lock screw ring 21, by tie down screw 19 are taken out by the inside of the first cover plate 15 and the second cover plate 17, just can realize that the first fixation disk 13 and second fixes dividing for disk 14 From, to sum up, the device for fracturing wellhead is made to have reached easy-to-dismount effect, convenient for improve mining operations efficiency.
In conclusion the detachable device for fracturing wellhead, by the first method disk 6, the second method disk 7, standing screw 8, is fixed The cooperation of nut 9 and fixed screw ring 10, as long as standing screw 8 is taken out by the inside of the first method disk 6 and the second method disk 7, Just can realize the separation of the first method disk 6 and the second method disk 7, by first fix disk 13, second fix disk 14, the first cover plate 15, The cooperation of lantern ring 16, the second cover plate 17, interconnected ring 18, tie down screw 19, lock nut 20 and lock screw ring 21, will lock Screw rod 19 is taken out by the inside of the first cover plate 15 and the second cover plate 17, just can realize that the first fixation disk 13 and second fixes disk 14 Separation, to sum up, makes the device for fracturing wellhead reach easy-to-dismount effect, convenient for improving the efficiency of mining operations.
Also, the detachable device for fracturing wellhead, by the first cover plate 15, lantern ring 16, the second cover plate 17, interconnected ring 18, After the cooperation of tie down screw 19, lock nut 20 and lock screw ring 21, lock nut 20 and lock screw ring 21 are tightened, meeting Obtain between lantern ring 16 and interconnected ring 18 clamping tighter, so as to make to be bonded tighter between the first cover plate 15 and the second cover plate 17, To sum up, the overall structure for making the device for fracturing wellhead is more firm, convenient for the progress of mining operations.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any this practical relationship or sequence.Moreover, term " comprising ", "comprising" or its any other variant are intended to Non-exclusive inclusion, so that process, method, article or equipment including a series of elements not only will including those Element, but also including other elements that are not explicitly listed or further include as this process, method, article or equipment Intrinsic element.
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art, It is appreciated that can these embodiments be carried out with a variety of variations in the case of the principle and spirit for not departing from the utility model, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of detachable device for fracturing wellhead, including small four-way (1), it is characterised in that:The top and bottom of the small four-way (1) Portion is communicated with the first connecting tube (2), and wax cleaning tube (3) is communicated on the right side of the small four-way (1), is set on the wax cleaning tube (3) Paraffin valve (4) is equipped with, the first conduit (5) is communicated on the left of the small four-way (1), first conduit (5) is far from small by four The one end of logical (1) is installed with the first method disk (6), and the second method disk (7) is communicated on the left of the first method disk (6), described The inside of first method disk (6) and the second method disk (7), which is interted, is provided with standing screw (8), and the left end of the standing screw (8) is fixed Hold-doun nut (9) is installed, fixed screw ring (10) is threaded on the standing screw (8) on the right side of the first method disk (6), The second conduit (11) is communicated on the left of the second method disk (7), master valve (12), institute are provided on second conduit (11) It states the one end of the second conduit (11) far from the second method disk (7) and is installed with the first fixation disk (13), described first fixes disk (13) the second fixation disk (14) is provided on the left of, the first fixation disk (13) includes the first cover plate (15), the first set The inside of disk (15) is installed with lantern ring (16), and the second fixation disk (14) includes the second cover plate (17), described second set The inside of disk (17) is installed with interconnected ring (18), the inside of the interconnected ring (18), lantern ring (16) and the second cover plate (17) Interspersed to be provided with tie down screw (19), the tie down screw (19) is installed with locking positioned at the internal one end of interconnected ring (18) Nut (20), is threaded with lock screw ring (21) on the external tie down screw (19) of second cover plate (17), and described the Third conduit (22) is communicated on the left of two fixation disks (14), the left end of the third conduit (22) is communicated with big four (23), The top and bottom of the big four (23) is communicated with the second connecting tube (24), and the left side of the big four (23) is fixedly mounted There is Method for Installation disk (25).
2. a kind of detachable device for fracturing wellhead according to claim 1, it is characterised in that:The lantern ring (16) and first Cover plate (15) has cooperatively formed set access slot in concentric circles between the lantern ring (16) and the inner wall of the first cover plate (15).
3. a kind of detachable device for fracturing wellhead according to claim 1, it is characterised in that:The interconnected ring (18), set With the second cover plate (17) in concentric circles, the outer shroud of the interconnected ring (18) is in contact ring (16) with the inner wall of lantern ring (16).
4. a kind of detachable device for fracturing wellhead according to claim 1, it is characterised in that:The standing screw (8) One end sequentially passes through the second method disk (7) with the first method disk (6) and extends to the outside of the first method disk (6), the first method disk (6) The through-hole being adapted with standing screw (8) is offered with the inside of the second method disk (7).
5. a kind of detachable device for fracturing wellhead according to claim 1, it is characterised in that:The tie down screw (19) Quantity is ten, and one end of the tie down screw (19) sequentially passes through interconnected ring (18), lantern ring (16) and the second cover plate (17) simultaneously The outside of the second cover plate (17) is extended to, the interconnected ring (18), lantern ring (16) and the inside of the second cover plate (17) offer The through-hole being adapted with tie down screw (19).
6. a kind of detachable device for fracturing wellhead according to claim 1, it is characterised in that:The lock screw ring (21) Quantity for ten, ten lock screw rings (21) are equally distributed on the outer surface of the second cover plate (17) in a ring.
CN201721405538.6U 2017-10-29 2017-10-29 A kind of detachable device for fracturing wellhead Active CN207583340U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721405538.6U CN207583340U (en) 2017-10-29 2017-10-29 A kind of detachable device for fracturing wellhead

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721405538.6U CN207583340U (en) 2017-10-29 2017-10-29 A kind of detachable device for fracturing wellhead

Publications (1)

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CN207583340U true CN207583340U (en) 2018-07-06

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109826585A (en) * 2019-03-07 2019-05-31 江苏腾龙石化机械有限公司 A kind of oil well head device of easy disassembly

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109826585A (en) * 2019-03-07 2019-05-31 江苏腾龙石化机械有限公司 A kind of oil well head device of easy disassembly

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