CN206376805U - Wellhead oil pipe liquid filling device - Google Patents
Wellhead oil pipe liquid filling device Download PDFInfo
- Publication number
- CN206376805U CN206376805U CN201621453344.9U CN201621453344U CN206376805U CN 206376805 U CN206376805 U CN 206376805U CN 201621453344 U CN201621453344 U CN 201621453344U CN 206376805 U CN206376805 U CN 206376805U
- Authority
- CN
- China
- Prior art keywords
- pipe
- liquid filling
- filling device
- connecting leg
- pipe nipple
- 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.)
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Links
- 239000007788 liquid Substances 0.000 title claims abstract description 70
- 210000002445 nipple Anatomy 0.000 claims abstract description 59
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 29
- 125000001400 nonyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 9
- 230000008878 coupling Effects 0.000 abstract description 3
- 238000010168 coupling process Methods 0.000 abstract description 3
- 238000005859 coupling reaction Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 230000002093 peripheral effect Effects 0.000 abstract description 2
- 239000003208 petroleum Substances 0.000 abstract description 2
- 239000008186 active pharmaceutical agent Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 230000008674 spewing Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Pipe Accessories (AREA)
Abstract
The utility model discloses a well head oil pipe irritates liquid device belongs to petroleum engineering wellhead assembly technical field. Well head oil pipe irritates liquid device includes: the device comprises a connecting pipe nipple, a shunt elbow connected with the side wall of the connecting pipe nipple, and a flow guide assembly connected with the upper end of the connecting pipe nipple through a connecting assembly; the lower end of the connecting pipe nipple is connected with an underground oil pipe; the reposition of redundant personnel return bend is including the inlet tube and the outlet pipe that are linked together, the inlet tube with connecting pipe nipple joint lateral wall fixed connection, the outlet pipe is located the inside of connecting pipe nipple joint, and with the connecting pipe nipple joint is formed with annular space. The utility model discloses a gas that gushes out among the oil pipe in the pit is discharged by the annular space between reposition of redundant personnel return bend and the connecting pipe nipple joint to the assigned position is put through coupling assembling and drainage subassembly in proper order, thereby avoids the gas-liquid to gush the peripheral place mire of well head that causes, the problem of polluted environment, and this well head liquid filling device is convenient for operate, and the effect is reliable.
Description
Technical field
The utility model is related to petroleum works wellhead assembly technical field, more particularly to a kind of well mouth oil pipe liquid filling device.
Background technology
In the production of oil field, due to the air-liquid in stratum being extracted out, the original pressure balance in stratum is destroyed, it is all in progress
Multioperation, such as in work-over operation, during playing flowline, in order to ensure job safety, it is necessary to down-hole oil tube and sleeve pipe
Injection protection liquid in annular space, thus keeps the pressure balance between pit shaft and stratum, maintains the stability of oil well.
Generally use small-sized liquid raising device liquid filling into well.Specifically, liquid will be protected to pass through water-supply-pipe by priming pump
Line etc. is connected to oil pipe, and pours into down hole annular space by oil pipe.
During the utility model is realized, designer has found that prior art at least has problems with：
When carrying out liquid filling operation, by the extruding of institute's liquid filling body by being there is gas-liquid in the portion gas in oil pipe and sleeve pipe
Spewing phenomenon, the gas-liquid gushed out is muddy due to certain pressure, easily causing well head periphery place, not only pollutes environment simultaneously
In the presence of certain potential safety hazard.
Utility model content
In order to which mine gas takes the uncontrolled problem of liquid ejection, the utility model when overcoming liquid filling operation in the prior art
Embodiment provides a kind of well mouth oil pipe liquid filling device.The well head liquid filling device is as follows：
A kind of well mouth oil pipe liquid filling device, the well mouth oil pipe liquid filling device includes：Connecting leg pipe nipple, with the connecting leg pipe nipple
The shunting bend pipe of side wall connection, and the guiding subassembly being connected by connection component with the connecting leg pipe nipple upper end；Described point
Stream bend pipe includes the water inlet pipe and outlet pipe being connected, and the water inlet pipe is fixedly connected with the connecting leg pipe nipple side wall, and described
End of the water inlet pipe away from the outlet pipe is located on the outside of the connecting leg pipe nipple, and the outlet pipe is located at the interior of the connecting leg pipe nipple
Portion, and it is formed with annular space with the connecting leg pipe nipple；The lower end of the connecting leg pipe nipple is connected with down-hole oil tube.
Preferably, the distance between the water outlet pipe outer wall and the connecting leg pipe nipple inwall are 8mm~12mm.
Preferably, end of the water inlet pipe away from the outlet pipe is located on the outside of the connecting leg pipe nipple, and the end connects
Oily nonyl is connected to, for connecting feed liquor high pressure line.
Preferably, the connection component includes what is be sequentially connected from the bottom to top：Box cupling, variable buckle and snap joint；It is described to connect
Bind round lower end and connect the connecting leg pipe nipple upper end；The snap joint upper end connects the guiding subassembly；And the snap joint can
The guiding subassembly is set to be rotated by axle of the central shaft of the snap joint.
Preferably, the cross-sectional area of the cross-sectional area of the snap joint >=annular space.
Preferably, the snap joint includes top connection and lower contact, and the top connection can a relatively described lower contact left side
Turn right dynamic；The top connection is fixedly connected with the guiding subassembly, and the lower contact is fixedly connected with the variable buckle.
Preferably, the top connection with the lower contact by snapping connection.
Preferably, the guiding subassembly includes the flow control bend pipe that is fixedly connected with the top connection, the flow control bend pipe with
And the drainage tube being fixedly connected with the flow control bend pipe.
Preferably, the internal diameter of internal diameter >=snap joint of the flow control bend pipe.
Preferably, the drainage tube is flexible pipe, and the internal diameter of internal diameter >=flow control bend pipe of the drainage tube.
The beneficial effect brought of technical scheme that the utility model embodiment is provided is：
Liquid filling is carried out by shunting bend pipe, and the air-liquid gushed out when carrying out liquid filling operation by underground is curved by shunting
The annular space discharge managed and formed between connecting leg pipe nipple, and sequentially pass through connection component and guiding subassembly is discharged into specified location, such as
It is muddy that this effectively overcomes the gush well head periphery place caused of gas-liquid, the problem of pollution environment, and the well head liquid filling device is just
In operation, effect is reliable.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme in utility model embodiment, required in being described below to embodiment
The accompanying drawing used is briefly described, it should be apparent that, drawings in the following description are only some implementations of the present utility model
Example, for those of ordinary skill in the art, on the premise of not paying creative work, can also be obtained according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the structural representation for the well mouth oil pipe liquid filling device that the utility model embodiment is provided.
Mark in accompanying drawing is respectively：
1. lower oil pipe；11. annular space；
2. shunt bend pipe；21. water inlet pipe；211. end；22. outlet pipe；3. oily nonyl；
4. box cupling；5. variable buckle；6. snap joint；61. top connection；62. lower contact；
7. flow control bend pipe；8. drainage tube.
Embodiment
It is new to this practicality below in conjunction with accompanying drawing to make the purpose of this utility model, technical scheme and advantage clearer
The embodiment of type is described in further detail.
The utility model embodiment provides a kind of well mouth oil pipe liquid filling device, referring to Fig. 1, the well mouth oil pipe liquid filling device
Including：Connecting leg pipe nipple 1, the shunting bend pipe 2 being connected with the side wall of connecting leg pipe nipple 1, and pass through connection component and the upper end of connecting leg pipe nipple 1
Connection guiding subassembly；Shunting bend pipe 2 includes the water inlet pipe 21 and outlet pipe 22 being connected, water inlet pipe 21 and connecting leg pipe nipple 1
Side wall is fixedly connected, and end 211 of the water inlet pipe 21 away from outlet pipe 22 is located at the outside of connecting leg pipe nipple 1, and outlet pipe 22, which is located at, to be connected
The inside of pipe pipe nipple 1, and it is formed with annular space 11 with connecting leg pipe nipple 1；And the lower end of connecting leg pipe nipple 1 is used to connect downhole oil
Pipe.
When carrying out liquid filling operation, the connecting leg pipe nipple for the well mouth oil pipe liquid filling device that the utility model embodiment is provided
1 is connected with down-hole oil tube, and the end 211 of water inlet pipe 21 is passed through liquid in shunting bend pipe 2, and the liquid enters through outlet pipe 22
Connecting leg pipe nipple 1, and then it is passed through down-hole oil tube.And during liquid filling, the air-liquid returned out upwards in down-hole oil tube can be by going out
The annular space 11 formed between water pipe 22 and connecting leg pipe nipple 1 is discharged, and sequentially passes through connection component and guiding subassembly is discharged into finger
Positioning is put.Thus, the well head liquid filling device effectively prevent the well head periphery place the caused miriness that gas-liquid is gushed, and pollute environment
The problem of, while the device is easy to operation, effect is reliable, with good dissemination.
Wherein, the connected mode for the lower end of connecting leg pipe nipple 1 and down-hole oil tube is not specifically limited, can be using threaded connection
Or connector be connected etc. mode.As a kind of preferred embodiment of the utility model embodiment, the lower end of connecting leg pipe nipple 1 is set
There is external screw thread, and be connected by tubing coupling with down-hole oil tube.Further, the size on connecting leg pipe nipple 1, which is not done equally, has
Body is limited, preferably connecting leg pipe nipple 1 external diameter 73mm, internal diameter 62mm, to meet API Std (API standard) defined
Size.
Further, the structure on shunting bend pipe 2, to not done into connection angle between water inlet pipe 21 and outlet pipe 22
Specific to limit, preferably water inlet pipe 21 is set perpendicular to outlet pipe 22.And be axially welded on water inlet pipe 21 perpendicular to connecting leg pipe nipple 1
On the side wall of connecting leg pipe nipple 1, now outlet pipe 22 is located at the inside of connecting leg pipe nipple 1, central shaft and the connecting leg pipe nipple 1 of outlet pipe 22
Central shaft it is parallel.
Specifically, for the ease of connection high-pressure water delivery pipeline, the water inlet pipe 21 also connects on the end 211 away from outlet pipe 22
It is connected to oily nonyl 3.Specifically, the external diameter of water inlet pipe 21 can do appropriate increase, and set on end 211 external screw thread, further with
The mating connection of oily nonyl 31.Oily nonyl 3 is a kind of common pipeline articulation, for the connection of different pipelines, passes through oily nonyl 3 herein
High-pressure water inlet pipeline and water inlet pipe 21 are connected, the liquid filling function of the well head liquid filling device is realized.To sum up it is not difficult to find out, back with water inlet line
21 external diameter is slightly larger, contributes in its end threading, is easy to the cooperation of back with water inlet line 21 and oily nonyl 3.In addition, on dividing
The internal diameter of stream bend pipe 2 is not particularly limited, and preferably shunting bend pipe 2 has uniform bore diameter, can be 40mm, 42mm, 44mm etc..
In addition it is also necessary to, it is noted that in order to be formed for discharging the annular space 11 of air-liquid of gushing, water inlet pipe 22
External diameter is less than the external diameter of connecting leg pipe nipple 1, and preferably the distance between outlet pipe 22 and the outer wall of outlet pipe 22 and the inwall of connecting leg pipe nipple 1 are
8mm~12mm, such as 9mm, 10mm, 11mm.More specifically, according to the normal inner diameter 63mm of connecting leg pipe nipple 1, outlet pipe 22
External diameter is between 41mm~55mm, such as 48mm, 50mm, 52mm.
When carrying out liquid filling operation, the air-liquid gushed out in down-hole oil tube is via annular space 11 upwardly through connection group
Part heel row is discharged into appointed place into guiding subassembly, and by guiding subassembly.There are a variety of realizations herein in regard to the connection component
Mode, can be using the conventional connection component such as box cupling or oily nonyl.Preferred, connection group as one kind of the utility model embodiment
Part includes what is be sequentially connected from the bottom to top：Box cupling 4, variable buckle 5 and snap joint 6.Wherein the lower end of box cupling 4 connects connecting leg pipe nipple 1
Upper end；The upper end of snap joint 6 connects guiding subassembly, and snap joint 6 can make guiding subassembly using the central shaft of snap joint 6 as axle
Rotation.Connecting for guiding subassembly and connecting leg pipe nipple 1 is so not only realized, while the position of guiding subassembly export mouth can also be changed
Put, air-liquid of being easy to gush is emitted into appointed place, the recovery for the gas-liquid that is conducive to gushing.
Specifically, for the structure of wherein snap joint 6, the snap joint 6 include top connection 61 and lower contact 62, and on
Joint 61 can be with respect to the left-right rotation of lower contact 62；Top connection 61 is fixedly connected with guiding subassembly, and lower contact 62 is fixed with variable buckle 5 to be connected
Connect.It is not difficult to find out, because top connection 61 can the left-right rotation of lower contact 62, and then realize the rotation of above-mentioned guiding subassembly relatively.
And more specifically, top connection 61 with lower contact 62 by snapping connection, realize the rotating function of above-mentioned change quick coupling 6.And
Further, the cross-sectional area of cross-sectional area >=annular space 11 of snap joint 6.It is possible thereby to reduce the row for air-liquid of gushing
Go out resistance, it is to avoid drain at snap joint 6 and Choking phenomenon occur.
It should also be noted that because the size of common snap joint 6 and connecting leg pipe nipple 1 is mismatched, therefore use connects
Hoop 4 and variable buckle 5 realize the connection of snap joint 6 and connecting leg pipe nipple 1.The wherein two ends of box cupling 4 have internal thread, for connecting not
Same tubing；The two ends of variable buckle 5 have external screw thread, available for connecting various sizes of tubing or connection component.More specifically, box cupling 4
It is connected with the threaded upper ends of connecting leg pipe nipple 1, the upper end of box cupling 4 is threadedly coupled with variable buckle 5, the connection lower contact of the threaded upper ends of variable buckle 5
61。
On guiding subassembly implementation equally have diversified forms, the well provided in the utility model embodiment
In mouth liquid filling device, guiding subassembly includes the flow control bend pipe 7 being fixedly connected with top connection 61, and fixes company with flow control bend pipe 7
The drainage tube 8 connect.By flow control bend pipe 7 and drainage tube 8 will gush air-liquid discharge.Wherein, control bend pipe 7 and the spiral shell of top connection 61
Line is connected, and flow control bend pipe 7 has 90 ° of radian ＜ arc pipeline section, and the arc pipeline section will can gush the downward drainage of air-liquid.And
And further, the internal diameter of internal diameter >=snap joint 6 of the flow control bend pipe 7, it is to avoid Choking phenomenon occur at flow control bend pipe 7.
On the structure of the drainage tube 8, preferably drainage tube 8 is flexible pipe, such as PP flexible pipes, silica gel hose so that the drainage tube 8 has
Density is light, it is elastic good the characteristics of, be easy to use.And the internal diameter of the internal diameter of drainage tube 8 >=flow control bend pipe 7, it is to avoid arrange air-liquid by
The splash caused by pressure is excessive during overall well head liquid filling device discharge, is further ensured that the good building ring in well head peripheral region
Border.
To sum up, the well head liquid filling device that the utility model embodiment is provided when in use, by shunting bend pipe 2 to connecting leg
Pipe nipple 1 to there is down-hole oil tube to inject liquid, be injected into the gas of liquid extrusion individually or carry a small amount of liquid from shunting bend pipe 2 with
The gap of the inner chamber of connecting leg pipe nipple 1 is discharged, and flow control bend pipe 7 controls gas or gas liquid mixture to enter and specifies sky with drainage tube 8
Between, gas is taken liquid and gushed uncontrolled problem when solving well mouth oil pipe liquid filling, eliminate liquid be scattered naturally it is born, rack
Swing etc. and to cause well head periphery place muddy, form operation employee and slide the hidden danger such as the safety for falling injury and environmental pollution.It is simultaneously quick
The above section of joint 6 is freely rotatable also further meet the point discharge overflow of flow control bend pipe 7 the need for.
Preferred embodiment of the present utility model is the foregoing is only, it is all in this practicality not to limit the utility model
Within new spirit and principle, any modification, equivalent substitution and improvements made etc. should be included in guarantor of the present utility model
Within the scope of shield.
Claims (10)
1. a kind of well mouth oil pipe liquid filling device, it is characterised in that the well mouth oil pipe liquid filling device includes：Connecting leg pipe nipple (1), with
The shunting bend pipe (2) of connecting leg pipe nipple (1) side wall connection, and connected by connection component and connecting leg pipe nipple (1) upper end
The guiding subassembly connect；
Connecting leg pipe nipple (1) lower end is connected with down-hole oil tube；
The shunting bend pipe (2) includes the water inlet pipe (21) and outlet pipe (22) being connected；
The water inlet pipe (21) is fixedly connected with connecting leg pipe nipple (1) side wall, and the water inlet pipe (21) is away from the water outlet
The end (211) for managing (22) is located on the outside of the connecting leg pipe nipple (1),
The outlet pipe (22) is located at the inside of the connecting leg pipe nipple (1), and is formed with annular space with the connecting leg pipe nipple (1)
(11)。
2. well mouth oil pipe liquid filling device according to claim 1, it is characterised in that outlet pipe (22) outer wall with it is described
The distance between connecting leg pipe nipple (1) inwall is 8mm~12mm.
3. well mouth oil pipe liquid filling device according to claim 2, it is characterised in that the water inlet pipe (21) goes out away from described in
The end (211) of water pipe (22) is connected with oily nonyl (3), for connecting feed liquor pipeline.
4. well mouth oil pipe liquid filling device according to claim 3, it is characterised in that the connection component is included from the bottom to top
It is sequentially connected：Box cupling (4), variable buckle (5) and snap joint (6),
Box cupling (4) lower end is connected with connecting leg pipe nipple (1) upper end, snap joint (6) upper end and the water conservancy diversion group
Part is connected；
And the snap joint (6) can be such that the guiding subassembly is rotated by axle of the central shaft of the snap joint (6).
5. well mouth oil pipe liquid filling device according to claim 4, it is characterised in that the snap joint (6) includes above connecing
Head (61) and lower contact (62), and the top connection (61) can rotate relative to the lower contact (62)；
The top connection (61) is fixedly connected with the guiding subassembly, and the lower contact (62) is fixedly connected with the variable buckle (5).
6. well mouth oil pipe liquid filling device according to claim 5, it is characterised in that the top connection (61) with it is described under connect
Head (62) is by snapping connection.
7. well mouth oil pipe liquid filling device according to claim 4, it is characterised in that the cross section of the snap joint (6)
The cross-sectional area of product >=annular space (11).
8. well mouth oil pipe liquid filling device according to claim 5, it is characterised in that the guiding subassembly include with it is described on
The flow control bend pipe (7) that joint (61) is fixedly connected, and the drainage tube (8) being fixedly connected with the flow control bend pipe (7).
9. well mouth oil pipe liquid filling device according to claim 8, it is characterised in that the internal diameter of the flow control bend pipe (7) >=
The internal diameter of snap joint (6).
10. well mouth oil pipe liquid filling device according to claim 9, it is characterised in that the drainage tube (8) is flexible pipe, and
The internal diameter of the internal diameter of the drainage tube (8) >=flow control bend pipe (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621453344.9U CN206376805U (en) | 2016-12-28 | 2016-12-28 | Wellhead oil pipe liquid filling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621453344.9U CN206376805U (en) | 2016-12-28 | 2016-12-28 | Wellhead oil pipe liquid filling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206376805U true CN206376805U (en) | 2017-08-04 |
Family
ID=59408127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621453344.9U Active CN206376805U (en) | 2016-12-28 | 2016-12-28 | Wellhead oil pipe liquid filling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206376805U (en) |
-
2016
- 2016-12-28 CN CN201621453344.9U patent/CN206376805U/en active Active
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| GR01 | Patent grant |