CN204804811U - Spraycan that cooperates vortex instrument water pumping gas production in pit - Google Patents

Spraycan that cooperates vortex instrument water pumping gas production in pit Download PDF

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Publication number
CN204804811U
CN204804811U CN201520278301.0U CN201520278301U CN204804811U CN 204804811 U CN204804811 U CN 204804811U CN 201520278301 U CN201520278301 U CN 201520278301U CN 204804811 U CN204804811 U CN 204804811U
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China
Prior art keywords
spring
nozzle
assembly
spraycan
contact
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CN201520278301.0U
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Chinese (zh)
Inventor
肖述琴
付钢旦
刘双全
白晓弘
杨旭东
卫亚明
樊莲莲
刘峰
陈勇
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Petrochina Co Ltd
China Petroleum and Natural Gas Co Ltd
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China Petroleum and Natural Gas Co Ltd
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Priority to CN201420246894 priority Critical
Application filed by China Petroleum and Natural Gas Co Ltd filed Critical China Petroleum and Natural Gas Co Ltd
Priority to CN201520278301.0U priority patent/CN204804811U/en
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Publication of CN204804811U publication Critical patent/CN204804811U/en
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Abstract

The utility model provides a spraycan that cooperates vortex instrument water pumping gas production in pit, a spraycan that cooperates vortex instrument water pumping gas production in pit is mainly by fishing head (1), anemostat (2), center tube (3), choke (4), pin (5), the larynx mouth is apart from tub (6), nozzle (7), nozzle support (8), nozzle stay tube (9), lower clutch (10), cone (11), cut round pin (12), the spring body (13), spring catch (14), spring (15) are constituteed. Utilize in the pit gas that vortex instrument had formed at center, liquid the specific flow state along the pipe wall, rely on natural gas self -energy and the step -down of sprayer nozzle throttle for natural air current forms the differential pressure district at the mixing chamber, and suction pit shaft inner wall liquid stream reduces the pit shaft hydrops.

Description

A kind of spraycan coordinating the water pumping gas production of underground vortex instrument
Technical field
The utility model relates to production gas technology field, oil field, particularly in a kind of gas exploitation course, spraying technique is applied to the instrument of water drainage-gas recovery technology, belongs to the application in downhole tool field.
Background technology
Soviet Union's Sulige gas field belongs to typical low pressure, hypotonic, low abundance " three is low " gas field, and along with the exploitation in gas field, stratum energy declines, gas well gas production reduces, in manufacturing process there is a large amount of hydrops in pit shaft, and hydrops well increases year by year, is difficult to maintain gas field and normally steadily produces.For the situation that gas field hydrops well is on the increase, in order to give full play to gas well deliverability, the drainage gas recovery series such as foaming water discharge, optimizing pipe string, speed tubing string, plunger lift are defined in recent years.
Since 2010, improved by the technical investigation of underground vortex instrument, technical feasibility analysis, tool construction, process parameter optimizing, carried out the field trial of underground vortex instrument drainage gas recovery at Soviet Union's Sulige gas field.Test shows that underground vortex instrument opens gas well continuous seepage between can making in conjunction with drainage technologies such as gaslift, bubble rows, and it is undesirable that low yield hydrops continuous seepage gas well is used alone this technological effect.Therefore, in order to improve the effect of eddy current instrument water pumping gas production, a kind of particular flow state that eddy current instrument can be coordinated to be formed need be researched and developed, and utilize stratum self-energy, realize gas stringer water pumping gas production downhole tool, technical support can be provided for Soviet Union's Sulige gas field Efficient Development.
Utility model content
The purpose of this utility model: a kind of spraycan coordinating the water pumping gas production of underground vortex instrument is provided, utilize the established Qi center of underground vortex instrument, liquid along the particular flow state of tube wall, rely on natural gas self-energy and injector nozzle reducing pressure by regulating flow, natural gas flow is made to form differential pressure district at mixing chamber, suction shaft in wall liquid stream, reduces pit shaft hydrops.
The technical solution adopted in the utility model: Downhole jetting device, primarily of fishing head 1, anemostat 2, central tube 3, trunnion 4, pin 5, larynx mouth apart from pipe 6, nozzle 7, nozzle bearing 8, nozzle support pipe 9, lower contact 10, cone 11, cut off 12, spring body 13, spring catch 14, spring 15 form.
Critical piece is all adopt alloy steel to process, and screwed connection is passed through in fishing head 1 and central tube 3 upper end; Anemostat 2, trunnion 4, larynx mouth are contained in central tube 3 apart from pipe 6 and nozzle bearing 8 sequentially, and wherein nozzle 7 and nozzle support pipe 9 load interior formation of nozzle bearing 8 in advance and combine; Central tube 3 lower end and lower contact 10 are by screwed connection, and lower contact 10 and cone 11 pass through screwed connection; Spring body 13 loads from cone 11 small end, fixes by cutting off 12; Spring 15 is connected by spring catch 14 with spring body 13, and is in contraction state in the draw-in groove of spring body 13 lower end.
To achieve these goals, the utility model provides a kind of spraycan coordinating the water pumping gas production of underground vortex instrument, comprise: salvage assembly, there is inner chamber, the outer wall salvaging assembly is provided with and the outlet opening of inner space and the first inlet, outlet opening is positioned at the first end salvaging assembly, and the first inlet is positioned at the second end salvaging assembly; Nozzle assembly, be arranged on the inside of the second end salvaging assembly and dodge the first inlet, nozzle assembly has spout; Lower contact assembly, lower contact assembly has inner chamber, and the first end of lower contact assembly is connected with the second end salvaging assembly to be salvaged in assembly to be fixed on by nozzle assembly; Spring assembly, the first end of spring assembly is set on the second end of lower contact assembly, the expanded position that the second end of spring assembly has punctured position and coordinates with the inwall of oil pipe.
Further, salvage assembly and comprise the fishing head and central tube that are connected, outlet opening is arranged on fishing head, the first inlet be arranged on central tube away from one end of fishing head, nozzle assembly is arranged on the inside of one end away from fishing head of central tube and dodges the first inlet.
Further, nozzle assembly comprises nozzle, nozzle bearing and nozzle support pipe, nozzle bearing is arranged on the inside of one end away from fishing head of central tube and dodges the first inlet, and nozzle is arranged on nozzle bearing, and nozzle support pipe is arranged in the inner chamber of nozzle bearing.
Further, lower contact assembly comprises the lower contact and cone that are connected, and lower contact is connected with central tube, the first end of spring assembly be set in cone away from one end of lower contact.
Further, spring assembly also comprises the spring body and spring that are connected, spring body be set in cone away from one end of lower contact, the expanded position that spring has punctured position and coordinates with the inwall of oil pipe.
Further, the spraycan of underground vortex instrument water pumping gas production is coordinated also to comprise anemostat, trunnion and larynx mouth apart from pipe, anemostat, trunnion, larynx mouth are successively set in central tube sequentially apart from pipe and nozzle bearing, and larynx mouth has second inlet corresponding with the first inlet apart from pipe.
Further, spring is connected by spring catch with spring body.
The beneficial effects of the utility model: the utility model provides a kind of spraycan coordinating the water pumping gas production of underground vortex instrument, make full use of the energy of the established particular flow state of underground vortex instrument and natural gas self, suction shaft in wall liquid stream; Ejector can be calculated by Theoretical Design determines the distance with eddy current Tool Room, effectively can prevent liquid stream from flowing downward when scarce capacity, reach and reduce pit shaft hydrops and improve gas well fluid-carrying capability.
Accompanying drawing explanation
The Figure of description forming a application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the ejector tool construction schematic diagram that a kind of down-hole of the utility model coordinates the water pumping gas production of eddy current tool combinations; And
Fig. 2 is view after the utility model ejector is thrown in.
Wherein, above-mentioned accompanying drawing comprises the following drawings mark:
1, fishing head; 2, anemostat; 3, central tube; 4, trunnion; 5, pin; 6, larynx mouth is apart from pipe; 7, nozzle; 8, nozzle bearing; 9, nozzle support pipe; 10, lower contact; 11, cone; 12, cut off; 13, spring body; 14, spring catch; 15, spring.
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
1, assemble
As shown in Figure 1, screwed connection is passed through in fishing head 1 and central tube 3 upper end; Anemostat 2, trunnion 4, larynx mouth are contained in central tube 3 apart from pipe 6 and nozzle bearing 8 sequentially, and wherein nozzle 7 and nozzle support pipe 9 load interior formation of nozzle bearing 8 in advance and combine; Central tube 3 lower end and lower contact 10 are by screwed connection, and lower contact 10 and cone 11 pass through screwed connection; Spring body 13 loads from cone 11 small end, fixes by cutting off 12; Spring 15 is connected by spring catch 14 with spring body 13, and is in contraction state in the draw-in groove of spring body 13 lower end.
2, throw in
Utilize the fishing head 1 of ejector upper end, by wire rope operation, throw in projected depth position, above carry, untie spring 15, spring body 13 is expanded and tube inner wall close contact; Transfer, cut off and cut off 12, cone 11 is descending, and spring body 13 is expanded to maximum gauge and lower end is stuck between tubing coupling admittedly, realizes fixing, as shown in Figure 2.
3, operating principle
The ejector course of work: after gas well drives a well, because gas-liquid has formed Qi center by eddy current instrument, liquid is along the flow regime of tube wall, natural gas flow is through the centre bore of cone 11 with lower contact 10, arrive nozzle support pipe 9 and enter nozzle 7, form low-voltage high speed jet, a low-pressure area is formed at the mixing chamber of larynx mouth in pipe 6, thus the annular space between the central tube be connected with same mixing chamber and oil pipe forms Negative Pressure Difference district, suck and carry tube inner wall hydrops, two bursts of gas-liquid flow with different momentum are after entering and carrying out mixing and Momentum Transfer in trunnion 4, mixing and power conversion is fully reached after flowing to anemostat 2, finally form the synchronized gas-liquid mixed stream with certain pressure energy and discharge well head together.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.

Claims (8)

1. one kind coordinates the spraycan of underground vortex instrument water pumping gas production, primarily of fishing head (1), anemostat (2), central tube (3), trunnion (4), pin (5), larynx mouth distance pipe (6), nozzle (7), nozzle bearing (8), nozzle support pipe (9), lower contact (10), cone (11), cut off (12), spring body (13), spring catch (14), spring (15) composition
Critical piece is all adopt alloy steel to process, and screwed connection is passed through in described fishing head (1) and described central tube (3) upper end; Described anemostat (2), described trunnion (4), described larynx mouth are contained in described central tube (3) apart from pipe (6) and described nozzle bearing (8) sequentially, and wherein said nozzle (7) and described nozzle support pipe (9) load in described nozzle bearing (8) to be formed in advance combines; Described central tube (3) lower end and described lower contact (10) are by screwed connection, and described lower contact (10) and described cone (11) pass through screwed connection; Described spring body (13) loads from described cone (11) small end, is fixed by described cut off (12); Described spring (15) is connected by described spring catch (14) with described spring body (13), and is in contraction state in the draw-in groove of described spring body (13) lower end.
2. coordinate a spraycan for underground vortex instrument water pumping gas production, it is characterized in that, comprising:
Salvage assembly, have inner chamber, the outer wall of described salvaging assembly is provided with and the outlet opening of described inner space and the first inlet, and described outlet opening is positioned at the first end of described salvaging assembly, and described first inlet is positioned at the second end of described salvaging assembly;
Nozzle assembly, be arranged on the inside of the second end of described salvaging assembly and dodge described first inlet, described nozzle assembly has spout;
Lower contact assembly, described lower contact assembly has inner chamber, and the first end of described lower contact assembly is connected to be fixed on by described nozzle assembly in described salvaging assembly with the second end of described salvaging assembly;
Spring assembly, the first end of described spring assembly is set on the second end of described lower contact assembly, the expanded position that the second end of described spring assembly has punctured position and coordinates with the inwall of oil pipe.
3. the spraycan of cooperation underground vortex instrument according to claim 2 water pumping gas production, it is characterized in that, described salvaging assembly comprises the fishing head (1) and central tube (3) that are connected, described outlet opening is arranged on described fishing head (1), described first inlet is arranged on one end away from described fishing head (1) of described central tube (3), and described nozzle assembly is arranged on the inside of one end away from described fishing head (1) of described central tube (3) and dodges described first inlet.
4. the spraycan of cooperation underground vortex instrument according to claim 3 water pumping gas production, it is characterized in that, described nozzle assembly comprises nozzle (7), nozzle bearing (8) and nozzle support pipe (9), described nozzle bearing (8) is arranged on the inside of one end away from described fishing head (1) of described central tube (3) and dodges described first inlet, described nozzle (7) is arranged on described nozzle bearing (8), and described nozzle support pipe (9) is arranged in the inner chamber of described nozzle bearing (8).
5. the spraycan of cooperation underground vortex instrument according to claim 4 water pumping gas production, it is characterized in that, described lower contact assembly comprises the lower contact (10) and cone (11) that are connected, described lower contact (10) is connected with described central tube (3), and the first end of described spring assembly is set on one end away from described lower contact (10) of described cone (11).
6. the spraycan of cooperation underground vortex instrument according to claim 5 water pumping gas production, it is characterized in that, described spring assembly also comprises the spring body (13) and spring (15) that are connected, described spring body (13) is set on one end away from described lower contact (10) of described cone (11), the described expanded position that described spring (15) has described punctured position and coordinates with the inwall of described oil pipe.
7. the spraycan of cooperation underground vortex instrument according to claim 6 water pumping gas production, it is characterized in that, the spraycan of described cooperation underground vortex instrument water pumping gas production also comprises anemostat (2), trunnion (4) and larynx mouth apart from pipe (6), described anemostat (2), described trunnion (4), described larynx mouth are successively set in described central tube (3) apart from pipe (6) and described nozzle bearing (8) sequentially, and described larynx mouth has second inlet corresponding with described first inlet apart from pipe (6).
8. the spraycan of cooperation underground vortex instrument according to claim 6 water pumping gas production, is characterized in that, described spring (15) is connected by spring catch (14) with described spring body (13).
CN201520278301.0U 2014-05-14 2015-04-30 Spraycan that cooperates vortex instrument water pumping gas production in pit Active CN204804811U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201420246894 2014-05-14
CN201520278301.0U CN204804811U (en) 2014-05-14 2015-04-30 Spraycan that cooperates vortex instrument water pumping gas production in pit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520278301.0U CN204804811U (en) 2014-05-14 2015-04-30 Spraycan that cooperates vortex instrument water pumping gas production in pit

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CN204804811U true CN204804811U (en) 2015-11-25

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105089608A (en) * 2014-05-14 2015-11-25 中国石油天然气股份有限公司 Spraying tool capable of being matched with underground eddy current tool to realize water drainage and gas production and application method of spraying tool

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105089608A (en) * 2014-05-14 2015-11-25 中国石油天然气股份有限公司 Spraying tool capable of being matched with underground eddy current tool to realize water drainage and gas production and application method of spraying tool
CN105089608B (en) * 2014-05-14 2019-03-12 中国石油天然气股份有限公司 A kind of spraycan and application method cooperating the water pumping gas production of underground vortex tool

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