CN206801507U - It is easy to correct the mud slot structure of liquid level - Google Patents
It is easy to correct the mud slot structure of liquid level Download PDFInfo
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- CN206801507U CN206801507U CN201720291219.0U CN201720291219U CN206801507U CN 206801507 U CN206801507 U CN 206801507U CN 201720291219 U CN201720291219 U CN 201720291219U CN 206801507 U CN206801507 U CN 206801507U
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- runner
- liquid level
- transverse axis
- major trough
- flap
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Abstract
The utility model discloses the mud slot structure for being easy to correct liquid level, including the major trough with liquid level sensor, in addition to the attached groove that major trough is arranged side by side, the runner of N number of face liquid level sensor is set between major trough and attached groove, and N number of runner is distributed vertically；The dividing plate for being suspended in top surface is fixed with inside runner, divider height is equal to the half of runner height, and a side surface of dividing plate towards attached groove is provided with pressure sensor；Runner side wall is additionally provided with transverse axis, and flap is flexibly connected on transverse axis, and flap can be rotated towards major trough direction and flap around transverse axis；Transverse axis is between dividing plate and attached groove, and transverse axis is arranged at 1/2 height of runner；Distance of the transverse axis to pressure sensor, the distance less than flap end to transverse axis.The utility model to solve the problems, such as in the prior art in mud ditch after landwaste deposition can not accurate judgement returning fluid position height, realizing can be easily to the purpose that be modified of detection height of liquid level sensor in mud ditch.
Description
Technical field
It the utility model is related to field of petroleum exploitation, and in particular to be easy to correct the mud slot structure of liquid level.
Background technology
Mud ditch, also known as drilling fluid canal, backflow groove, is that oil exploitation is bored in well completion work, drilling fluid is flow back into from well head
When sedimentation basin or mud pit, from well head to the trough passed through between solid control equipment.Rock is carried for what conveying was returned out out of well
The mud of bits or reservoir sand.Mud ditch is the sampling part of drilling fluid logging, significant for drill returns log.Mud ditch
Liquid level sensor is inside provided with, for monitoring how much return out drilling fluid, judgement is consequently facilitating engineering staff is in the very first time
No overflow, leakage or well kick etc. whether occurs.Therefore, the liquid level signal measured by the liquid level sensor in mud ditch is for being drilled
The safe construction of well is significant.However, carrying more landwaste in flowing through the drilling fluid of mud ditch, the landwaste returned out is easy
Be deposited in mud ditch, cause in mud ditch liquid level to rise, the liquid level measured by liquid level sensor rises, and positioned at driller house or
Engineering staff in Central Control Room can not know that abnormality in well situation occurs in liquid level rising or talus deposit causes, and easily make
The erroneous judgement of situation, influences the optimal well control time in paired well.In the prior art good solution is not found all the time for above mentioned problem
Certainly method, traditional approach is used all the time in well site, arrange special messenger to go at mud ditch when finding that mud ditch liquid level raises extremely
Confirm landwaste deposition conditions, if worker has found that landwaste does not deposit, show to return out caused by increase is underground situation, now lead to again
Know rig floor or Central Control Room, then delayed the closed-in time, easily bring well control safety hidden danger.
Utility model content
The purpose of this utility model is to provide the mud slot structure for being easy to correct liquid level, to solve in the prior art
In mud ditch landwaste deposition after can not accurate judgement returning fluid position height the problem of, realization can be easily to liquid level in mud ditch
The purpose that the detection height of sensor is modified.
The utility model is achieved through the following technical solutions：
Be easy to correct the mud slot structure of liquid level, including the major trough with liquid level sensor, in addition to close to major trough,
The attached groove being arranged side by side with major trough, sets the runner of N number of face liquid level sensor between major trough and attached groove, N number of runner divides vertically
Cloth, wherein N are the integer more than or equal to 2；The flow passage major trough and attached groove, be fixed with inside runner be suspended in top surface every
Plate, divider height are equal to the half of runner height, and a side surface of dividing plate towards attached groove is provided with pressure sensor；Runner side wall
Transverse axis is additionally provided with, flap is flexibly connected on transverse axis, the flap can be rotated towards major trough direction and flap around transverse axis；Institute
Transverse axis is stated between dividing plate and attached groove, and transverse axis is arranged at 1/2 height of runner；The transverse axis to pressure sensor away from
With a distance from less than flap end to transverse axis.
For in the prior art in mud ditch after landwaste deposition, causing liquid level rise in mud ditch, influenceing liquid level sensor
Detection, the problem of leading to not accurate judgement returning fluid position height, to be easy to correct liquid level the utility model proposes one kind
Mud slot structure, including set liquid level sensor to be used to monitor liquid as the major trough for returning out drilling fluid flow channel, in major trough
Position height, is arranged side by side an attached groove beside major trough, and by flow passage between major trough and attached groove, N number of runner is in vertical side
Arrangement, and the position of face liquid level sensor upwards, it is the line of liquid level sensor and runner, perpendicular to the axis of major trough,
The interior mud by liquid level sensor of major trough is entered in attached groove from runner to be shunted.Dividing plate is set in runner,
Dividing plate is fixed at the top of runner, and height only has the half of runner height so that mud can pass through below dividing plate.Flow passage side
Wall is additionally provided with transverse axis, and flap is flexibly connected on transverse axis, with flowing of the mud in runner, application can be acted on below flap
Power so that flap is overturn upwards, so that flap upper end is beaten on the pressure sensor at dividing plate rear.The pressure passes
Sensor is arranged on a side surface of the dividing plate towards attached groove, is that pressure sensor is located at dividing plate deviates from mud flow direction one
Side, to prevent the dynamic caused flowing pressure of mud stream so that pressure sensor senses pressure, while avoids the rock in mud
Bits are beaten makes it sense pressure on pressure sensor.Transverse axis is arranged at 1/2 height of runner, is the bottom of transverse axis and dividing plate
End be respectively positioned on runner 1/2 height locate, it is ensured that the mud flowed through from dividing plate lower end flow to flap bottom, thus to flap apply to
The active force of upper upset.Distance of the transverse axis to pressure sensor, the distance less than flap end to transverse axis, to ensure flap
When being flipped up, its upper end can be beaten on pressure sensor surface.During utility model works, the mud returned out out of well is in master
Flowed in groove, branched to when flowing to liquid level sensor present position by runner in attached groove, do not there is landwaste deposition
When, there is drilling fluid to flow through in the runner below liquid level, drilling fluid pushes directly on flap around transverse axis from dividing plate flowing underneath
Rotated, flap is rotated up, its upper end is beaten on pressure sensor, with continuous flowing of the drilling fluid in runner, is turned
Plate continues to apply pressure to pressure sensor, and pressure sensor is persistently produced by force signal, shows there is drilling well in the runner with this
Liquid flows through, and shows in the major trough of height residing for the runner not drift.After drift in major trough, landwaste can block up
Stay the runner in portion, there is no liquid flowing, flap in the runner being now plugged no longer to apply pressure to pressure sensor, to press
Force snesor no longer produces signal, shows in major trough the drift of height residing for the runner with this.Because N number of runner is vertical
Arranged on direction, therefore according to the signal condition of pressure sensor in the runner of different height, that is, can interpolate that different height
Whether there is drilling fluid to flow through in runner, so as to judge that whether the height is deposited by landwaste in major trough, finally judges in major trough
Landwaste deposition height, corrects liquid level in major trough measured by liquid level sensor with this, obtains authentic and valid liquid level
Value, so as to solve the problems, such as in the prior art in mud ditch landwaste deposition after can not accurate judgement returning fluid position height, realize energy
Enough purposes being easily modified to the detection height of liquid level sensor in mud ditch.It can also be prompted by the utility model
Staff is cleared up mud ditch in time, is avoided talus deposit and is not realized, causes what drilling fluid overflowed from mud ditch
Situation occurs.
Preferably, N number of runner in the vertical direction is uniformly distributed.Equally distributed runner, it is easy to sink to landwaste in major trough
Product height carries out the judgement of rule.
Preferably, the spacing between two neighboring runner is equal to the 1/20 of major trough total height.It is so that two neighboring stream
In small distance, only the 1/20 of major trough total height in road so that runner close-packed arrays, so as to be carried out more to landwaste deposit thickness
It is accurate to judge, the liquid level in major trough is more accurately corrected with this.
Preferably, the flap both ends are equal to the distance of transverse axis.It is the center position that transverse axis is located at flap so that
The flap of transverse axis both sides is equal in weight, and flap will not be rotated automatically, to improve accuracy of the present utility model.
Preferably, it is also equipped with liquid level sensor in the attached groove.By setting liquid level sensor in attached groove, to by attached
The drilling fluid of groove shunting also carries out level monitoring, so as to obtain overall mud flow rate, improves and output monitoring is returned to drilling fluid
Accuracy.
The utility model compared with prior art, has the following advantages and advantages：
The utility model is easy to correct the mud slot structure of liquid level, according to pressure sensor in the runner of different height
Signal condition, judge whether there is drilling fluid to flow through in the runner of different height, so as to judge that whether the height is by rock in major trough
Bits are deposited, and finally judge landwaste deposition height in major trough, and the liquid level height in major trough measured by liquid level sensor is corrected with this
Degree, obtain authentic and valid liquid level height value, so as to solve in the prior art in mud ditch landwaste deposition after can not accurate judgement
The problem of returning fluid's position height, realize the mesh that easily can be modified to the detection height of liquid level sensor in mud ditch
's.By the utility model staff can also be prompted to clear up in time mud ditch, avoid talus deposit and do not realize,
The situation for causing drilling fluid to be overflowed from mud ditch occurs.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the utility model embodiment, forms the one of the application
Part, the restriction to the utility model embodiment is not formed.In the accompanying drawings：
Fig. 1 is the structural representation of the utility model specific embodiment；
Fig. 2 is the partial structural diagram in runner in the utility model specific embodiment.
Mark and corresponding parts title in accompanying drawing：
1- liquid level sensors, 2- major troughs, the attached grooves of 3-, 4- runners, 5- dividing plates, 6- pressure sensors, 7- transverse axis, 8- flaps.
Embodiment
For the purpose of this utility model, technical scheme and advantage is more clearly understood, with reference to embodiment and accompanying drawing,
The utility model is described in further detail, and exemplary embodiment of the present utility model and its explanation are only used for explaining this
Utility model, it is not intended as to restriction of the present utility model.
Embodiment 1：
The mud slot structure for being easy to correct liquid level as shown in Figures 1 and 2, including the master with liquid level sensor 1
Groove 2, in addition to the attached groove 3 being arranged side by side close to major trough 2, with major trough 2, set ten face liquid levels to pass between major trough 2 and attached groove 3
The runner 4 of sensor 1, ten runners 4 are distributed vertically；The runner 4 connects major trough 2 and attached groove 3, and suspention is fixed with inside runner 4
In the dividing plate 5 of top surface, the height of dividing plate 5 is equal to the half of the height of runner 4, and a side surface of dividing plate 5 towards attached groove 3 is provided with pressure
Sensor 6；The side wall of runner 4 is additionally provided with transverse axis 7, flap 8 is flexibly connected on transverse axis 7, the flap is towards the direction of major trough 2 and turns
Plate 8 can be rotated around transverse axis 7；The transverse axis 7 is between dividing plate 5 and attached groove 3, and transverse axis 7 is arranged on the 1/2 high of runner 4
At degree；The distance of the transverse axis 7 to pressure sensor 6 is less than the end of flap 8 to the distance of transverse axis 7.Ten runners 4 are in vertical side
It is uniformly distributed upwards.Spacing between two neighboring runner 4 is equal to the 1/20 of the total height of major trough 2.The both ends of flap 8 are to transverse axis
7 distance is equal.Liquid level sensor 1 is also equipped with the attached groove 3.During utility model works, the mud that is returned out out of well
Flowed in major trough 2, branched to when flowing to 1 present position of liquid level sensor by runner 4 in attached groove 3, do not had
When landwaste deposits, there is drilling fluid to flow through in the runner 4 below liquid level, drilling fluid pushes directly on from the flowing underneath of dividing plate 5
Flap 8 is rotated around transverse axis 7, and flap 8 is rotated up, its upper end is beaten on pressure sensor 6, as drilling fluid is in runner 4
In continuous flowing, flap 8 continue to pressure sensor 6 apply pressure, pressure sensor 6 is persistently produced by force signal, with this
Show there is drilling fluid to flow through in the runner 4, show in the major trough 2 of height residing for the runner 4 not drift.Work as major trough
In 2 after drift, landwaste can block the runner 4 of bottom, and there is no liquid flowing in the runner 4 being now plugged, flap 8 is not
Apply pressure to pressure sensor 6 again, pressure sensor 6 no longer produces signal, shows height residing for the runner 4 in major trough 2 with this
Spend drift.Because N number of in the vertical direction of runner 4 is arranged, therefore according to pressure sensor in the runner 4 of different height
Whether 6 signal condition, that is, can interpolate that in the runner 4 of different height has drilling fluid to flow through, so as to judge the height in major trough 2
Whether deposited by landwaste, finally judge landwaste deposition height in major trough 2, liquid level sensor 1 in major trough 2 is corrected with this and surveyed
The liquid level obtained, obtains authentic and valid liquid level height value, so as to solve nothing after landwaste deposits in mud ditch in the prior art
The problem of method accurate judgement returning fluid position height, realization easily can highly enter in the detection to liquid level sensor in mud ditch 1
The purpose of row amendment.By the utility model staff can also be prompted to clear up in time mud ditch, avoid debris cone
Accumulate and do not realize, cause the situation that drilling fluid overflows from mud ditch to occur.In addition, by setting liquid level sensor in attached groove 3
1, level monitoring is also carried out to the drilling fluid shunted by attached groove 3, so as to obtain overall mud flow rate, improved to drilling fluid
Return the accuracy of output monitoring.
Above-described embodiment, the purpose of this utility model, technical scheme and beneficial effect are entered
One step describes in detail, should be understood that and the foregoing is only specific embodiment of the present utility model, is not used to limit
Determine the scope of protection of the utility model, it is all within the spirit and principles of the utility model, any modification for being made, equally replace
Change, improve, should be included within the scope of protection of the utility model.
Claims (5)
1. it is easy to correct the mud slot structure of liquid level, including the major trough (2) with liquid level sensor (1), it is characterised in that
Also include the attached groove (3) being arranged side by side close to major trough (2), with major trough (2), N number of face is set between major trough (2) and attached groove (3)
The runner (4) of liquid level sensor (1), N number of runner (4) are distributed vertically, and wherein N is the integer more than or equal to 2；The runner (4)
Major trough (2) and attached groove (3) are connected, is fixed with the dividing plate (5) for being suspended in top surface inside runner (4), dividing plate (5) is highly equal to runner
(4) half of height, a side surface of dividing plate (5) towards attached groove (3) are provided with pressure sensor (6)；Runner (4) side wall is also set
Transverse axis (7) is equipped with, is flexibly connected flap (8) on transverse axis (7), the flap can be around transverse axis towards major trough (2) direction and flap (8)
(7) rotated；The transverse axis (7) is located between dividing plate (5) and attached groove (3), and transverse axis (7) is arranged on the 1/2 high of runner (4)
At degree；The transverse axis (7) is less than the distance of flap (8) end to transverse axis (7) to the distance of pressure sensor (6).
2. the mud slot structure according to claim 1 for being easy to correct liquid level, it is characterised in that N number of runner (4) exists
It is uniformly distributed on vertical direction.
3. the mud slot structure according to claim 2 for being easy to correct liquid level, it is characterised in that two neighboring runner
(4) spacing between is equal to the 1/20 of major trough (2) total height.
4. the mud slot structure according to claim 1 for being easy to correct liquid level, it is characterised in that the flap (8)
The distance of both ends to transverse axis (7) is equal.
5. the mud slot structure according to claim 1 for being easy to correct liquid level, it is characterised in that the attached groove (3)
Inside it is also equipped with liquid level sensor (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720291219.0U CN206801507U (en) | 2017-03-23 | 2017-03-23 | It is easy to correct the mud slot structure of liquid level |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720291219.0U CN206801507U (en) | 2017-03-23 | 2017-03-23 | It is easy to correct the mud slot structure of liquid level |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206801507U true CN206801507U (en) | 2017-12-26 |
Family
ID=60730187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720291219.0U Expired - Fee Related CN206801507U (en) | 2017-03-23 | 2017-03-23 | It is easy to correct the mud slot structure of liquid level |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206801507U (en) |
-
2017
- 2017-03-23 CN CN201720291219.0U patent/CN206801507U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171226 Termination date: 20190323 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |