CN210599350U - Liquid-gas linkage type liquid distribution short joint - Google Patents

Liquid-gas linkage type liquid distribution short joint Download PDF

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Publication number
CN210599350U
CN210599350U CN201921450890.0U CN201921450890U CN210599350U CN 210599350 U CN210599350 U CN 210599350U CN 201921450890 U CN201921450890 U CN 201921450890U CN 210599350 U CN210599350 U CN 210599350U
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China
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liquid
induction head
nipple
column structure
tubular column
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CN201921450890.0U
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Inventor
方福君
邹先雄
蒋涛
卢秀德
李剑秋
李晨阳
王爽
张云
赖学军
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China National Petroleum Corp
CNPC Chuanqing Drilling Engineering Co Ltd
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China National Petroleum Corp
CNPC Chuanqing Drilling Engineering Co Ltd
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Abstract

The utility model discloses a liquid-gas linkage type liquid distribution nipple, which comprises a union, a nipple body, a button air valve, a sensing head, a spoiler, a liquid injection nozzle and a pore plate cylinder, wherein one end of the nipple body is connected with the union, the other end of the nipple body is provided with the pore plate cylinder, and the nipple body is sequentially provided with the button air valve, the sensing head and the liquid injection nozzle from the union end to the other end; the inductive head comprises an inductive head body, a thimble, a lever and a lever shaft, wherein a tubular column structure body is arranged on the inductive head body, one end of the thimble is positioned in an inner cavity of the inductive head body, the other end of the thimble penetrates out of the tubular column structure body to be matched with the button air valve, a through hole is formed in the inner cavity of the inductive head body, the lever is positioned in the inner cavity of the inductive head body, and the lever shaft penetrates out of the through hole to be connected with a spoiler positioned in the short section. The utility model discloses can inject chemical agent into to the working stock solution according to the pump notes condition of fracturing unit autonomous control pneumatic diaphragm pump, utilize the liquid turbulent flow that forms in inside to realize that chemical agent and working stock solution mix, and have working solution filtering capability concurrently.

Description

Liquid-gas linkage type liquid distribution short joint
Technical Field
The utility model relates to a mixing arrangement of chemical agent is added as required in real time to coiled tubing working solution in the work progress especially relates to a liquid nipple joint is joined in marriage to liquid gas linkage type, belongs to oil gas field borehole operation technical field.
Background
The coiled tubing technology is widely applied to the field of downhole operation of oil and gas fields, and working fluids with different properties are prepared according to different working conditions in the coiled tubing construction process for matching. With the continuous development of the coiled tubing process technology, the working conditions of the coiled tubing process technology are increasingly complex, and the original mode of preparing and storing working fluid by using a large-scale liquid storage tank before construction cannot meet the requirements of environmental protection and cost control, so the preparation of the working fluid for the coiled tubing construction usually adopts an immediate preparation and injection mode, namely, a fluid preparation tee is arranged at a fluid supply port of fracturing equipment, the fracturing equipment sucks the working fluid and injects required chemical agents into the fluid preparation tee by using a pneumatic diaphragm pump capable of setting the discharge capacity, and the fracturing equipment completes the mixing preparation of the working fluid and the chemical agents in the pumping process.
Although the problem of preparing the working solution in real time according to needs is solved by the immediate preparation and injection mode, the defects are obvious. Firstly, because the procedure of stirring and mixing the working solution in the liquid storage tank is reduced, the working stock solution and the chemical agent can be mixed unevenly; and secondly, the fracturing equipment can start pumping or stop pumping according to working condition requirements at any time in the construction process of the continuous oil pipe, so that a specially-assigned person is required to switch the pneumatic diaphragm pump on and off.
Disclosure of Invention
An object of the utility model is to overcome the above-mentioned problem that prior art exists, provide a liquid nipple joint is joined in marriage to liquid gas linkage type. The utility model discloses can inject chemical agent into to the working stock solution according to the pump notes condition of fracturing unit autonomous control pneumatic diaphragm pump, utilize the liquid turbulent flow that forms in inside to realize that chemical agent and working stock solution mix, and have working solution filtering capability concurrently.
In order to achieve the above object, the utility model adopts the following technical scheme:
the utility model provides a liquid nipple joint is joined in marriage to liquid gas linkage type which characterized in that: the pneumatic-control type short section comprises a union, a short section body, a button air valve, an induction head, a spoiler, an injection nozzle and a pore plate barrel, wherein one end of the short section body is connected with the union, the other end of the short section body is provided with the pore plate barrel, and the short section body is sequentially provided with the button air valve, the induction head and the injection nozzle from the union end to the other end; the induction head comprises an induction head body, a thimble, a lever and a lever shaft, wherein a tubular column structure body is arranged on the induction head body, one end of the thimble is positioned in an inner cavity of the induction head body, the other end of the thimble penetrates out of the tubular column structure body to be matched with a button of a button air valve, a through hole is formed in the inner cavity of the induction head body, the lever is positioned in the inner cavity of the induction head body to be matched with the thimble, and the lever shaft which is integrated with the lever penetrates out of the through hole to be connected with a spoiler positioned.
The packing pressing cap, the gasket, the sealing packing and the spring are sequentially sleeved on the thimble from the front end to the rear end of the tubular column structure body.
The front end of the inner hole of the tubular column structure body is provided with an internal thread used for being connected with a packing pressing cap, the inner diameter of the middle part of the inner hole of the tubular column structure body is reduced to form a step, and a gasket and a sealing packing are arranged at the step.
The spring is arranged in a space formed by the tubular column structure body and the thimble, and a step for installing the thimble is arranged at the joint of the inner hole of the tubular column structure body and the induction head body.
The outer wall of the induction head body is provided with an external thread used for being connected with an induction head interface of the short section body, and the induction head body is provided with a through hole along the vertical direction of the axis of the tubular column structure.
The diameter of the middle part of the ejector pin is larger than that of the two ends of the ejector pin, one side of a formed step is used for compressing the spring, and the other side of the formed step is used for limiting the ejector pin.
The middle part of the lever is of a pipe column structure, an inner hole of the pipe column structure is used for being connected with the lever shaft, and two through holes are formed in the lower part of the lever and are used for being connected with the spoiler.
The spoiler is circular, and the radial bulge of excircle is provided with two through-holes that are used for being connected with the inductive head lever.
The top of the liquid injection nozzle is provided with a pawl structure used for being connected with an outlet hose, and the outer wall of the middle part of the liquid injection nozzle is provided with an external thread used for being connected with a liquid injection interface of the nipple body; the lower part is a hollow tubular column structure, the bottom is sealed, and through holes are uniformly distributed on the lower part of the hollow tubular column structure.
The front part of the orifice plate cylinder is of a tubular structure, the bottom of the orifice plate cylinder is an orifice plate, and the tail part of the orifice plate cylinder is provided with a handle.
The inlet of the button air valve is connected with an air supply pipe of compressed air, and the outlet of the button air valve is connected with the inlet of an air source.
Adopt the utility model has the advantages of:
1. the utility model has simple structure and strong field operability, and realizes the opening and closing of the air valve by utilizing the thrust given to the spoiler by the liquid flowing in the liquid supply pipeline of the fracturing equipment, thereby realizing the liquid-gas linkage to control the external pneumatic diaphragm pump to inject chemical agents into the working stock solution; the turbulent flow formed by the influence of the spoiler on the liquid flow in the pipeline is utilized to accelerate the mixing of the working stock solution and the chemical agent; the design of the tail orifice plate cylinder further promotes the mixing of the working liquid and enables the liquid preparation short section to have a filtering function.
2. The utility model discloses can pour into chemical agent into to the working stock solution according to the pump notes condition of fracturing unit owner's control pneumatic diaphragm pump, utilize the liquid turbulent flow that forms in inside to realize that chemical agent mixes with the working stock solution, this join in marriage the liquid nipple joint and have working solution filtering capability concurrently, this join in marriage a whole set of liquid device of joining in marriage that liquid nipple joint and pneumatic diaphragm pump constitute has only adopted compressed air as control and power supply, and the especially adapted uses under the operational environment who has explosion-proof requirement.
3. The utility model overcomes need artifical on duty, the inhomogeneous problem of liquid mixture when adding chemical agent in real time and carrying out the working solution configuration in former coiled tubing work progress.
Drawings
FIG. 1 is a schematic longitudinal sectional view of the present invention;
FIG. 2 is a schematic longitudinal sectional view of an induction head;
fig. 3 is a schematic diagram of the external structure of the present invention.
Labeled as: the device comprises a floating joint 1, a button air valve 2, an induction head 3, a short section body 4, a spoiler 5, a liquid injection nozzle 6, a perforated plate cylinder 7, a packing press cap 3-1, a sealing packing 3-2, a spring 3-3, an induction head body 3-4, a gasket 3-5, an ejector pin 3-6, a lever 3-7 and a lever shaft 3-8.
Detailed Description
Example 1
A liquid-gas linkage type liquid distribution nipple comprises a union 1, a nipple body 4, a button gas valve 2, an induction head 3, a spoiler 5, a liquid injection nozzle 6 and a pore plate barrel 7, wherein one end of the nipple body 4 is connected with the union 1, the other end of the nipple body is provided with the pore plate barrel 7, and the nipple body 4 is sequentially provided with the button gas valve 2, the induction head 3 and the liquid injection nozzle 6 from the union end to the other end; the induction head 3 comprises an induction head body 3-4, an ejector pin 3-6, a lever 3-7 and a lever shaft 3-8, a pipe column structure body is arranged on the induction head body 3-4, one end of the ejector pin 3-6 is positioned in an inner cavity of the induction head body 3-4, the other end of the ejector pin 3-6 penetrates through the pipe column structure body to be matched with a button of the button air valve 2, a through hole is formed in the inner cavity of the induction head body 3-4, the lever 3-7 is positioned in the inner cavity of the induction head body 3-4 to be matched with the ejector pin 3-6, and the lever shaft 3-8 integrated with the lever 3-7 penetrates out of the through hole to be fixedly connected with a.
The thimble 3-6 is sequentially sleeved with a packing press cap 3-1, a gasket 3-5, a sealing packing 3-2 and a spring 3-3 from the front end to the rear end of the tubular column structure body.
The front end of the inner hole of the tubular column structure body is provided with an internal thread for connecting the packing pressing cap 3-1, the inner diameter of the middle part of the inner hole of the tubular column structure body is reduced to form a step, and the gasket 3-5 and the sealing packing 3-2 are arranged at the step.
The spring 3-3 is arranged in a space formed by the tubular column structure body and the thimble 3-6, and a step for mounting the thimble 3-6 is arranged at the joint of the inner hole of the tubular column structure body and the induction head body 3-4.
The outer wall of the induction head body 3-4 is provided with external threads for being connected with an induction head interface of the short section body 4, and the induction head body 3-4 is provided with through holes along the vertical direction of the axis of the tubular column structure. The top of the induction head body 3-4 is arranged into a hexagonal structure body, so that the induction head is convenient to install
The diameter of the middle part of the ejector pin 3-6 is larger than that of the two ends, one side of a formed step is used for compressing the spring 3-3, and the other side of the formed step is used for limiting the ejector pin 3-6.
The top of the lever is subjected to radian bending treatment, so that the contact surface of the push thimble is optimized; the middle parts of the levers 3-7 are of a pipe column structure, inner holes of the pipe column structure are used for being connected with the lever shafts 3-8 to form a hinge structure, and two through holes are formed in the lower parts of the levers and are used for being connected with the spoilers 5.
The spoiler 5 is circular, and two through holes used for being connected with the induction head levers 3-7 are formed in the radial protruding part of the outer circle.
The top of the liquid injection nozzle 6 is provided with a pawl structure for connecting with an outlet hose, and the outer wall of the middle part of the liquid injection nozzle is provided with an external thread for connecting with a liquid injection interface of the nipple section body 4; the lower part is hollow tubular column structure, and the bottom seals, 4 through-holes of hollow tubular column structure lower part equipartition.
The front part of the orifice plate cylinder 7 is of a tubular structure, the bottom part is an orifice plate, and the tail part is provided with a handle.
The inlet of the button air valve 2 is connected with an air supply pipe of compressed air, and the outlet of the button air valve 2 is connected with an air source inlet.
Example 2
The present embodiment will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 and 3, the liquid-gas linkage liquid distribution nipple of the utility model consists of a union 1, a nipple body 4, a button air valve 2, an induction head 3, a spoiler 5, a liquid injection nozzle 6 and a pore plate cylinder 7. The nipple body 4 is provided with an air valve base, an induction head interface and a liquid injection interface from the union end to the specific position of the other end direction respectively, the air valve base, the induction head interface and the liquid injection interface are used for installing the button air valve 2, the induction head 3 and the liquid injection nozzle 6 respectively, and the inner wall of the tail part is provided with a step for installing the orifice plate cylinder 7.
As shown in figure 2, the induction head 3 of the liquid-gas linkage liquid distribution nipple of the utility model is composed of a packing press cap 3-1, a sealing packing 3-2, a spring 3-3, an induction head body 3-4, a gasket 3-5, a thimble 3-6, a lever 3-7 and a lever shaft 3-8. One side of the upper part of the induction head body 3-4 is provided with a hole and is led out by a tubular column structure body, the front end of the inner hole of the tubular column structure body is provided with an internal thread for installing the packing press cap 3-1, the inner diameter of the middle part of the inner hole of the tubular column structure body is reduced to form a step for installing the gasket 3-5 and the sealing packing 3-2, the space formed by the middle rear part of the inner hole of the tubular column structure body and the thimble 3-6 is used for installing the spring 3-3, the inner diameter of the inner hole of the tubular column structure body is reduced to the wall of the induction head body again for installing the thimble 3-6, the outer wall of the middle lower part of the induction head body is provided with an external thread for being connected with an induction head interface of the pup. The diameter of the middle part of the thimble 3-6 is larger than that of the two ends, one side of the formed step is used for compressing the spring 3-3, and the other side is used for limiting the thimble 3-6. The middle parts of the levers 3-7 adopt a pipe column structure, the inner holes of the levers are used for being connected with the lever shafts 3-8, and the lower parts of the levers are provided with two through holes for being connected with the spoilers 5.
As shown in fig. 1, the spoiler 5 is circular, and two through holes are formed in the radial protruding part of the outer circle for connecting with the induction head levers 3-7.
As shown in fig. 1, the top of the liquid injection nozzle 6 is provided with a pawl structure for connecting with an outlet hose of a chemical agent of a pneumatic diaphragm pump, and the outer wall of the middle part is provided with an external thread for connecting with a liquid injection interface of the nipple joint body 4; the lower part is a hollow tubular column structure body, the bottom is sealed, 4 small-diameter through holes are uniformly distributed at the lower part of the hollow tubular column body, and the positions of the through holes are positioned in a liquid turbulence area formed in the liquid distribution short joint after working stock solution passes through the spoiler 5.
As shown in figure 1, the front part of the perforated plate cylinder 7 is a tubular structure body, the bottom part is a perforated plate, and the tail part is provided with a handle.
The principle of the above embodiment is as follows: before working, the liquid-gas linkage type liquid distribution nipple of the utility model is connected in series into a liquid supply pipeline of fracturing equipment, an air supply pipe of compressed air is connected with an inlet of a button air valve 2, and an outlet of the button air valve 2 is connected with an air source inlet of an external pneumatic diaphragm pump with settable discharge capacity; the external pneumatic diaphragm pump liquid suction port capable of setting the discharge capacity is connected with a container for storing chemical agents, and the liquid outlet is connected with a liquid injection nozzle 6 of the liquid-gas linkage type liquid distribution nipple through a hose.
When fracturing unit began the pump to annotate, through the utility model discloses the inside liquid of liquid-gas linkage type distribution nipple joint flows, and the thrust that produces when spoiler 5 received liquid flow compresses the spring 3-3 of inductive head 3 to transmit through thimble 3-6 and act on the button of button pneumatic valve 2, make button pneumatic valve 2 gas circuit open. The pneumatic diaphragm pump works and chemical agent is pumped into the liquid injection nozzle 6. Chemical agents enter a liquid turbulent flow area in the liquid distribution nipple through four uniformly distributed small holes at the lower part of the liquid injection nozzle 6 to be mixed with working stock solution, mixed liquid is divided into a plurality of liquid flows to be mixed again when passing through the orifice plate cylinder 7, and solid impurities with diameters larger than the diameter of the orifice plate cylinder 7 are filtered; when fracturing unit stops the pump to annotate, the utility model discloses liquid in the liquid-gas linkage type joins in marriage liquid nipple joint stops flowing, and under the combined action of button and the inductive head spring 3-3 elasticity that resets of button pneumatic valve 2, spoiler 5 resets, and button pneumatic valve 2 gas circuit is closed, and external pneumatic diaphragm pump stops to annotate the pump income chemical agent of liquid mouth 6.

Claims (10)

1. The utility model provides a liquid nipple joint is joined in marriage to liquid gas linkage type which characterized in that: the pneumatic trip union comprises a trip union (1), a short section body (4), a button air valve (2), an induction head (3), a spoiler (5), an injection nozzle (6) and a pore plate barrel (7), wherein one end of the short section body (4) is connected with the trip union (1), the other end of the short section body is provided with the pore plate barrel (7), and the short section body (4) is sequentially provided with the button air valve (2), the induction head (3) and the injection nozzle (6) from the trip union end to the other end; the induction head (3) comprises an induction head body (3-4), an ejector pin (3-6), a lever (3-7) and a lever shaft (3-8), a tubular column structure body is arranged on the induction head body (3-4), one end of the ejector pin (3-6) is located in an inner cavity of the induction head body (3-4), the other end of the ejector pin penetrates out of the tubular column structure body to be matched with a button of the button air valve (2), a through hole is formed in the inner cavity of the induction head body (3-4), the lever (3-7) is located in the inner cavity of the induction head body (3-4) to be matched with the ejector pin (3-6), and the lever shaft (3-8) integrated with the lever (3-7) penetrates out of the through hole to be connected with a short section spoiler (5) located in the short section.
2. The liquid-gas linkage type liquid distribution nipple of claim 1, characterized in that: the packing pressing cap (3-1), the gasket (3-5), the sealing packing (3-2) and the spring (3-3) are sequentially sleeved on the thimble (3-6) from the front end to the rear end of the tubular column structure body.
3. The liquid-gas linkage type liquid distribution nipple of claim 2, characterized in that: the front end of the inner hole of the tubular column structure body is provided with an internal thread used for connecting a packing pressing cap (3-1), the inner diameter of the middle part of the inner hole of the tubular column structure body is reduced to form a step, and a gasket (3-5) and a sealing packing (3-2) are arranged at the step.
4. The liquid-gas linkage type liquid distribution nipple of claim 3, characterized in that: the spring (3-3) is arranged in a space formed by the tubular column structure body and the thimble (3-6), and a step for installing the thimble (3-6) is arranged at the joint of the inner hole of the tubular column structure body and the induction head body (3-4).
5. The liquid-gas linkage type liquid distribution nipple of claim 4, wherein: the outer wall of the induction head body (3-4) of the induction head body is provided with external threads for being connected with an induction head interface of the short section body (4), and the induction head body (3-4) is provided with a through hole along the vertical direction of the axis of the tubular column structure body.
6. The liquid-gas linkage type liquid distribution nipple of claim 5, wherein: the diameter of the middle part of the ejector pin (3-6) is larger than that of the two ends, one side of the formed step is used for compressing the spring (3-3), and the other side of the formed step is used for limiting the ejector pin (3-6).
7. The liquid-gas linkage type liquid distribution nipple of claim 6, characterized in that: the middle part of the lever (3-7) is of a pipe cylinder structure, an inner hole of the pipe cylinder structure is used for being connected with the lever shaft (3-8), and the lower part of the lever is provided with two through holes for being connected with the spoiler (5).
8. The liquid-gas linkage type liquid distribution nipple according to claim 7, characterized in that: the spoiler (5) is circular, and two through holes used for being connected with the induction head levers (3-7) are formed in the radial protruding part of the outer circle.
9. The liquid-gas linkage type liquid distribution nipple of claim 8, characterized in that: the top of the liquid injection nozzle (6) is provided with a pawl structure for connecting with an outlet hose, and the outer wall of the middle part of the liquid injection nozzle is provided with an external thread for connecting with a liquid injection interface of the nipple body (4); the lower part is hollow tubular column structure, and the bottom seals, 4 through-holes of hollow tubular column structure lower part equipartition.
10. The liquid-gas linkage type liquid distribution nipple according to claim 9, characterized in that: the inlet of the button air valve (2) is connected with an air supply pipe of compressed air, and the outlet of the button air valve (2) is connected with the inlet of an air source.
CN201921450890.0U 2019-09-03 2019-09-03 Liquid-gas linkage type liquid distribution short joint Active CN210599350U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921450890.0U CN210599350U (en) 2019-09-03 2019-09-03 Liquid-gas linkage type liquid distribution short joint

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921450890.0U CN210599350U (en) 2019-09-03 2019-09-03 Liquid-gas linkage type liquid distribution short joint

Publications (1)

Publication Number Publication Date
CN210599350U true CN210599350U (en) 2020-05-22

Family

ID=70689460

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921450890.0U Active CN210599350U (en) 2019-09-03 2019-09-03 Liquid-gas linkage type liquid distribution short joint

Country Status (1)

Country Link
CN (1) CN210599350U (en)

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