CN208595944U - The monitoring system of drilling fluid - Google Patents
The monitoring system of drilling fluid Download PDFInfo
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- CN208595944U CN208595944U CN201821186176.0U CN201821186176U CN208595944U CN 208595944 U CN208595944 U CN 208595944U CN 201821186176 U CN201821186176 U CN 201821186176U CN 208595944 U CN208595944 U CN 208595944U
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Abstract
The utility model provides a kind of monitoring system of drilling fluid, comprising: pressure sensor, the first bundle conductor and processing equipment；Pressure sensor is arranged at the first position in circulating tank, and first position is in the drilling liquid position below in circulating tank；The upper cover that the first end of first bundle conductor passes through circulating tank is connect with pressure sensor, and the second end of the first bundle conductor is connect with processing equipment；Processing equipment, the monitoring result of the drilling fluid for obtaining each moment, the monitoring result of drilling fluid is for indicating the location of liquid level of drilling fluid.The utility model obtains real-time pressure by fixed pressure sensor, can accurately, sensitively obtain the monitoring result of drilling fluid.
Description
Technical field
The utility model relates to drilling well industry well control safety monitoring technical field more particularly to a kind of monitoring systems of drilling fluid
System.
Background technique
In Process of Oil Well Drilling, overflow and leakage belong to multiple accident, when formation pore pressure is greater than bottom pressure,
Liquid in formation pore can immerse in well, and the drilling well liquid measure in circulating tank is caused to increase, and liquid level rising causes overflow；If ground
When being greater than formation pore pressure there are leakage channel or drilling liquid pressure in layer, drilling fluid can immerse formation pore, cause to follow
Drilling well liquid measure in ring tank is reduced, and liquid level decline causes leakage.Overflow and the generation of leakage can bring very huge economic loss, and
And it is easy to that contingency is caused to lead to casualties.Therefore, the liquid measure of effectively monitoring drilling fluid is most important.
In the prior art, monitoring drilling fluid liquid measure relies primarily on law of buoyancy: installing on the circulating tank equipped with drilling fluid
One float is provided with mark post above float, alarm isolation is equipped on mark post, when drilling liquid rises or falls to danger
When in range, alarm isolation touches alarm, and alarm starts alarm to remind operator to cause danger.
But stirring rod is usually provided in circulating tank, liquid fluctuating therein is larger, by float with the dipping and heaving of liquid level
Measure position and the variation of liquid level, precision is low, easily generation false alarm.
Utility model content
The utility model provides a kind of monitoring system of drilling fluid, obtains real-time pressure by fixed pressure sensor,
It can accurately, sensitively obtain the monitoring result of drilling fluid.
The utility model provides a kind of monitoring system of drilling fluid, comprising: pressure sensor, the first bundle conductor and processing are set
It is standby；
The pressure sensor is arranged at the first position inside circulating tank, and the first position is located at the circulating tank
Below the liquid level of interior drilling fluid；
The upper cover that the first end of first bundle conductor passes through the circulating tank is connect with the pressure sensor, and described the
The second end of one bundle conductor is connect with the processing equipment being located at outside the circulating tank；
The processing equipment, for obtaining the drilling fluid in the monitoring result at each moment, the monitoring result is used for table
Show the location of the liquid level of the drilling fluid.
Optionally, the processing equipment, specifically for the pressure acquired according to the pressure sensor at each moment
Value, preset pressure value and preset pressure threshold value obtain the monitoring result of the drilling fluid at each moment；Alternatively,
The processing equipment, specifically for according to the pressure sensor each moment acquisition pressure value, described
The density of the cross-sectional area of circulating tank, the drilling fluid obtains the liquid measure of the drilling fluid at each moment, and according to described
The liquid measure of the drilling fluid at each moment, default liquid measure and default liquid difference threshold value, obtain the drilling fluid at each moment
Monitoring result.
Optionally, the monitoring system further include: guard bar；
The guard bar is hollow setting, and the first end of the guard bar is arranged on the cover, the guard bar
Second end is arranged at the first position；
The pressure sensor is arranged at the first position of the inside of the guard bar, first bundle conductor according to
It is secondary to pass through the upper cover, the first end of the guard bar, it is connect with the pressure sensor.
Optionally, the monitoring system further include: guard bar；
The guard bar is hollow setting, and the second end of the guard bar is arranged at the first position, the protection
The first end of bar is arranged across the upper cover, with the capping of the upper cover be in rod segment on the mutually level guard bar and
The upper cover connection；
The pressure sensor is arranged at the first position of the inside of the guard bar, and first bundle conductor is worn
The first end for crossing the guard bar is connect with the pressure sensor.
Optionally, the second position of the first end setting of the guard bar on the cover；Alternatively,
The position that the rod segment of the guard bar is connect with the upper cover is located at the second position on the upper lid；
The second position is center to the position between the boundary of the upper cover of the upper cover.
Optionally, the second position is the center of the upper cover between the boundary of the upper cover and close to described
The position on the boundary of upper cover.
Optionally, the processing equipment includes: modulus a/d transducer and controller；
First bundle conductor includes: the first sub-conductor beam and the second sub-conductor beam；
The upper cover that the first end of the first sub-conductor beam passes through the circulating tank is connect with the pressure sensor, described
The second end of first sub-conductor beam is connect with the first end of the A/D converter, the second end of the A/D converter and described the
The first end of two sub-conductor beams connects, and the second end of the second sub-conductor beam is connect with the controller；
The controller, the cross section of the pressure value at each moment for being acquired according to the pressure sensor, circulating tank
The density of long-pending, the described drilling fluid obtains the liquid measure of the drilling fluid at each moment；
According to the liquid measure of the drilling fluid at each moment, default liquid measure and preset difference value liquid measure, when obtaining described each
The monitoring result for the drilling fluid carved；Alternatively,
The controller, for according to the pressure value of the pressure sensor each moment acquisition, preset pressure value and default
Threshold pressure differential obtains the monitoring result of the drilling fluid.
Optionally, the processing equipment further include: amplifier；
First bundle conductor further include: third sub-conductor beam；
The second end of the second sub-conductor beam is connect with the first end of the amplifier, the second end of the amplifier with
The first end of the third sub-conductor beam connects, and the second end of the third sub-conductor beam is connect with the controller.
Optionally, the monitoring system further includes warning device and the second bundle conductor；
The second end of the third sub-conductor beam is connect with the first end of the controller, the second end of the controller with
The first end of second bundle conductor connects, and the second end of second bundle conductor is connect with the warning device；
The warning device indicates the liquid of the drilling fluid at each moment for the monitoring result when the drilling fluid
When the difference of amount and the default liquid measure is greater than the default liquid difference threshold value, alarm signal is issued；Alternatively,
The warning device, for the monitoring result when the drilling fluid indicate the pressure value at each moment with it is described pre-
If the difference of pressure value is greater than the preset pressure threshold value, the alarm signal is issued.
Optionally, the warning device includes one of buzzer, indicator light, loudspeaker or a variety of.
The utility model provides a kind of monitoring system of drilling fluid, comprising: pressure sensor, the first bundle conductor and processing are set
It is standby；Pressure sensor is arranged at the first position in circulating tank, and first position is in the drilling liquid in circulating tank or less
Position；The upper cover that the first end of first bundle conductor passes through circulating tank is connect with pressure sensor, the second end of the first bundle conductor
It is connect with processing equipment；The monitoring result of processing equipment, the monitoring result of the drilling fluid for obtaining each moment, the drilling fluid is used
In the location of the liquid level for indicating drilling fluid.The utility model obtains real-time pressure by pressure sensor, being capable of accurate, spirit
The monitoring result of quick acquisition drilling fluid.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the monitoring device of drilling fluid in the prior art；
Fig. 2 is the structural schematic diagram one of the monitoring system of drilling fluid provided by the utility model；
Fig. 3 is the structural schematic diagram two of the monitoring system of drilling fluid provided by the utility model；
Fig. 4 is the structural schematic diagram three of the monitoring system of drilling fluid provided by the utility model；
Fig. 5 is the setting position view of guard bar；
Fig. 6 is the structural schematic diagram four of the monitoring system of drilling fluid provided by the utility model.
Description of symbols:
11- float；
12- mark post；
13- alarm isolation；
21- pressure sensor；
The first bundle conductor of 22-；
221- the first sub-conductor beam；
222- the second sub-conductor beam；
223- third sub-conductor beam；
23- processing equipment；
231-A/D converter；
232- controller；
233- amplifier；
24- guard bar；
25- warning device；
The second bundle conductor of 26-.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, below in conjunction with the reality of the utility model
Example is applied, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described embodiment is
The utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work belongs to the utility model protection
Range.
The specification and claims of the utility model and term " first ", " second ", " third " in above-mentioned attached drawing
(if present)s such as " the 4 " are to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It answers
The data that the understanding uses in this way are interchangeable under appropriate circumstances, for example so as to the embodiments of the present invention described herein
It can be performed in other sequences than those illustrated or described herein.In addition, term " includes " and " having " and he
Any deformation, it is intended that cover it is non-exclusive include, for example, contain the process, method of a series of steps or units,
System, product or equipment those of are not necessarily limited to be clearly listed step or unit, but may include being not clearly listed
Or the other step or units intrinsic for these process, methods, product or equipment.
The technical solution of the utility model is described in detail with specifically embodiment below.These are specific below
Embodiment can be combined with each other, and the same or similar concept or process may be repeated no more in some embodiments.
Fig. 1 is the structural schematic diagram of the monitoring device of drilling fluid in the prior art, as shown in Figure 1, in the prior art
The monitoring device of drilling fluid includes: float 11, mark post 12 and alarm isolation 13.
Wherein, float 11 is placed in drilling fluid, and float 11 can float on the liquid level of drilling fluid, and mark post 12 is passed through and followed
The upper cover of ring tank is connect with float 11, and the upper end of mark post 12 is provided with alarm isolation 13, specifically, in float 11 with drilling well
When the height of the liquid level of liquid changes, mark post 12 and alarm isolation 13 also can be with rising or declining, in the prior art
The minimum altitude of maximum height and decline that middle setting rises, and report is provided at the position of the maximum height and minimum altitude
Alert device.
When the liquid measure in circulating tank increases, so that the alarm isolation 13 rises to maximum height, contact alarm；Or
When the liquid measure reduction in circulating tank touches alarm so that the alarm isolation 13 connects and drops to minimum altitude；Operation is reminded with this
Personnel cause danger.
Since drilling fluid is mostly mud or the biggish mixing liquid of color density, drilling fluid does not sink in order to prevent
Drop, is provided with stirring rod in the central part of circulating tank.The monitoring device of drilling fluid in the prior art places one's entire reliance upon buoyancy
Principle, stirring rod constantly stir, so that the liquid level of drilling fluid rises and falls constantly, it is unstable, and and float 11 is with the fluctuating of liquid level
Also it can change, in turn result in false alarm, the monitoring device of drilling fluid in the prior art is low to the monitoring accuracy of drilling fluid,
Sensitivity is low.
Embodiment one
It is illustrated below with reference to monitoring system of the Fig. 2 to drilling fluid provided by the utility model, Fig. 2 is the utility model
The structural schematic diagram one of the monitoring system of the drilling fluid of offer, as shown in Fig. 2, the monitoring system of drilling fluid provided in this embodiment
It include: pressure sensor 21, the first bundle conductor 22 and processing equipment 23.
Wherein, pressure sensor 21 is arranged at the first position in circulating tank, and first position is in the brill in circulating tank
Well liquid liquid level position below；I.e. pressure sensor 21 is arranged in drilling fluid.
Pressure sensor 21 may be provided on the side wall of circulating tank, and specific set-up mode can be the side wall in circulating tank
Pressure sensor 21 is fixed at first position by upper fixing device for installing；Pressure sensor 21 can also be arranged and recycle
On the bottom wall of tank, specifically can also on bottom wall fixing device for installing, pressure sensor 21 is fixed at first position；Tool
Body, first position in the present embodiment is the tank bottom close to circulating tank, but with the side wall of circulating tank and bottom wall not in contact with
First position, specifically, the fixed form of pressure sensor 21, which can be the installation on the ground wall of circulating tank, has certain altitude
Fixation device, pressure sensor 21 is fixed at first position.
Pressure sensor 21 in the present embodiment can be, but not limited to as piezoelectric transducer, photoelectric sensor or partly lead
Body formula sensor.
The upper cover that the first end of first bundle conductor 22 passes through circulating tank is connect with pressure sensor 21, the first bundle conductor 22
Second end is connect with processing equipment 23.Specifically, being provided with a through-hole, the aperture of the through-hole and bundle conductor on the upper lid of circulating tank
Diameter it is identical, the first end of the first bundle conductor 22 connect by the first through hole with pressure sensor 21, the other end with handle
Equipment 23 connects, and the real-time pressure measured can be sent to processing equipment 23 by pressure sensor 21.
Processing equipment 23, for obtaining the drilling fluid in the monitoring result at each moment, the monitoring result is for indicating
The location of liquid level of drilling fluid.
Wherein, if the liquid level of drilling fluid is in preset position area, monitoring result shows that the liquid measure of drilling fluid is in just
Normal state；If the liquid level of drilling fluid is not in preset position area, such as it is below or above the preset position area, then shows to bore
The liquid measure of well liquid is in the hole；Specifically, when the liquid level of drilling fluid is below or above the lowest order of the preset position area
It when setting, determines and leakage phenomenon occurs, when the liquid level of drilling fluid is higher than the extreme higher position of the preset position area, determines and occur to overflow
Flow phenomenon.
Specifically, if when circulating tank and other oil gas devices work well, the liquid level of the drilling fluid in circulating tank
It is constant, wherein liquid level be drilling fluid liquid level to circulating tank tank bottom height；At this point, the pressure that pressure sensor 21 measures
Power is at first position to the pressure of the drilling fluid at liquid level, and the preset pressure value in the present embodiment is the normal level of liquid
The pressure value that pressure sensor 21 measures when height.
Preset pressure value can be previously stored in processing equipment 23, the processing equipment 23 is according to the pressure of the drilling fluid at each moment
Force value and preset pressure value obtain the pressure difference value of drilling fluid；According to the pressure difference value and preset threshold pressure differential, when obtaining each
The monitoring result of the drilling fluid at quarter；Specifically, monitoring result indicates drilling well when the pressure difference value is greater than preset threshold pressure differential
The location of liquid level of liquid is not in preset position area, and processing equipment 23, which determines, occurs overflow or leakage；When the pressure
When difference is less than preset threshold pressure differential, monitoring result indicates that the location of liquid level of drilling fluid is in preset position area
Interior, processing equipment 23 determines that circulating tank works well, and overflow or leakage do not occur.
The monitoring system of a kind of drilling fluid provided in this embodiment, comprising: pressure sensor, the first bundle conductor and processing are set
It is standby；Pressure sensor is arranged at the first position in circulating tank, and first position is in the drilling liquid in circulating tank or less
Position；The upper cover that the first end of first bundle conductor passes through circulating tank is connect with pressure sensor, the second end of the first bundle conductor
It is connect with processing equipment；The monitoring result of processing equipment, the monitoring result of the drilling fluid for obtaining each moment, the drilling fluid is used
In the location of the liquid level for indicating drilling fluid.The utility model is obtained since pressure sensor is fixed at first position
The pressure of the drilling fluid taken is accurate, so that the monitoring result of the drilling fluid obtained is accurate, drilling fluid provided in this embodiment
Monitoring system can accurately, sensitively obtain the monitoring result of drilling fluid.
Embodiment two
On the basis of the above embodiments, below with reference to Fig. 3-Fig. 4 to the monitoring system of drilling fluid provided by the utility model
System is further described, and Fig. 3 is the structural schematic diagram two of the monitoring system of drilling fluid provided by the utility model, and Fig. 4 is this
The structural schematic diagram three of the monitoring system for the drilling fluid that utility model provides, as Figure 3-Figure 4, drilling well provided in this embodiment
The monitoring system of liquid further include: guard bar 24.
Since drilling fluid is mostly the mixing liquid of slurry, how many pairs of pressure sensors 21 are generated in the process of movement
It hits, and pressure sensor 21 will receive the corrosion of drilling fluid, these reasons will cause the service life reduction of pressure sensor 21,
It is damaged.In order to avoid such case, guard bar 24 is provided in the present embodiment.
As shown in Figure 3, wherein guard bar 24 is hollow setting, and the first end of guard bar 24 is arranged on upper lid, specifically
, guard bar 24 can be welded on lid, and fixed device can also be arranged on upper lid, guard bar 24 is fixed on the upper cover
On；The second end of guard bar 24 is arranged at first position.
Pressure sensor 21 is arranged at the first position of the inside of guard bar 24, specifically, the inside of guard bar 24 is set
It is equipped with fixed device, pressure sensor 21 is fixed at the first position of the inside of guard bar 24, in the present embodiment, due to protecting
The second end of guard bar 24 is also disposed at first position, i.e. the bottom end that guard bar 24 is arranged in of pressure sensor 21.
In the present embodiment, a through-hole, the through-hole can be arranged in the second end sealed set of guard bar 24 at second end
Aperture it is identical as the diameter of the probe of pressure sensor 21, the probe of pressure sensor 21 sequentially passes through the through-hole and drilling fluid
Contact, in this way setting are to place drilling fluid and enter damage pressure sensor 21 in guard bar 24.
First bundle conductor 22 sequentially passes through upper cover, the first end of guard bar 24 is connect with pressure sensor 21, specifically, this
In embodiment, the also salable setting of the first end of guard bar 24 is respectively arranged on upper lid and in the first end of guard bar 24
The identical through-hole of diameter of first bundle conductor 22, in this way setting also can protect conducting wire not by the damage of drilling fluid.
Optionally, as shown in figure 4, the second end of the guard bar 24 in the present embodiment is arranged at first position, pressure is passed
Sensor 21 is arranged at the first position of the inside of guard bar 24, and the set-up mode of pressure sensor 21 and above-mentioned setting side
Formula is identical, and this will not be repeated here.
And the first end of guard bar 24 is arranged across upper cover, i.e., the first end of guard bar 24 is higher than the upper cover, with upper cover
The rod segment that capping is on mutually level guard bar 24 is connect with upper cover, specifically, the mode of connection can be welded connecting,
Or fixed device is set on upper lid, which is fixed on upper lid.Guard bar 24 is arranged upper in the present embodiment
The mode covered is with no restrictions.
Specifically, the first end of guard bar 24 be opening setting, the first bundle conductor 22 pass through guard bar 24 first end with
Pressure sensor 21 connects, and such set-up mode is convenient for when the generation of pressure sensor 21 can damage, by pressure sensor 21
It is taken out from drilling fluid by guard bar 24, facilitates operator and replace pressure sensor 21.
Further, Fig. 5 is the setting position view of guard bar 24, as shown in figure 5, the schematic diagram is bowing for circulating tank
View is square in the present embodiment with the top view of circulating tank and is illustrated, and location A is the position where stirring rod.
The second position on upper lid is arranged in the first end of guard bar 24；Alternatively, what the rod segment of guard bar was connect with upper cover
Position is located at the second position on upper lid；Wherein, the second position is center to the position between the boundary of upper cover of upper cover.Specifically
, the second position can be the position of B point in Fig. 5.
In the present embodiment, influenced to guarantee pressure sensor 21 not by stirring rod, therefore guard bar 24 is mounted on
The center of upper cover to the position between the boundary of upper cover, specifically, in order to reduce stirring rod to greatest extent to pressure sensor
21 influence, the second position are the center of upper cover to the position on boundary between the boundary of upper cover and close to upper cover, that is, are protected
Bar 24 is arranged close to upper cover boundary, i.e., is arranged close to the side wall of circulating tank.Specifically, the second position can be B' point in Fig. 5
Position.
In the present embodiment, processing equipment 23, pressure value, circulating tank for being acquired according to pressure sensor 21 at each moment
Cross-sectional area, drilling fluid density, obtain the liquid measure of the drilling fluid at each moment.
Wherein, the collected pressure value of pressure sensor 21 is continuous analog signal, and processing equipment 23 can be by the mould
Quasi- signal is converted into the pressure value that each moment is obtained after corresponding digital signal；The cross-sectional area of circulating tank can obtain in advance,
It is stored in processing equipment 23, specifically, the shape of the cross-sectional area of the circulating tank in the present embodiment can be, but not limited to pros
Shape, rectangle and circle；The density of drilling fluid can also obtain in advance, be stored in processing equipment 23, the present embodiment is to drilling well
The acquisition modes of liquid density are with no restrictions.
Specifically, the concrete mode for obtaining the liquid measure V of the drilling fluid at each moment can be as follows shown in formula one:
Wherein, P indicates the pressure value at each moment, and ρ indicates the density of drilling fluid；The cross-sectional area of S expression circulating tank；G table
Show acceleration of gravity, usually definite value 9.8.
Processing equipment 23 obtains each moment according to the liquid measure of the drilling fluid at each moment, default liquid measure and default liquid difference threshold value
Drilling fluid monitoring result.
It is envisioned that if when circulating tank and other oil gas devices work well, the liquid of the drilling fluid in circulating tank
Face height it is constant, wherein liquid level be drilling fluid liquid level to circulating tank tank bottom height；At this point, pressure sensor 21 is surveyed
The pressure taken is at first position to the pressure of the drilling fluid at liquid level, and the default liquid measure in the present embodiment is that this is normal
The liquid measure of drilling fluid when liquid level.
According to the liquid measure of the drilling fluid at each moment and default liquid measure, the liquid measure difference of drilling fluid is obtained；It is poor according to the liquid measure
Value and preset liquid difference threshold value, obtain the monitoring result of the drilling fluid at each moment；Specifically, when the liquid measure difference is greater than preset
When liquid difference threshold value, monitoring result indicates that the location of the liquid level of drilling fluid is not in preset position area, processing equipment 23
It determines and overflow or leakage occurs；When the liquid measure difference is less than preset liquid difference threshold value, monitoring result indicates the liquid level of drilling fluid
Location is in preset position area, and processing equipment 23 determines that circulating tank works well, and overflow or leakage do not occur.
Optionally, in the present embodiment, processing equipment 23, the pressure for being acquired according to pressure sensor 21 at each moment
Value, preset pressure value and preset pressure threshold value, obtain the monitoring result of the drilling fluid at each moment.
Specifically, if when circulating tank and other oil gas devices work well, the liquid level of the drilling fluid in circulating tank
It is constant, wherein liquid level be drilling fluid liquid level to circulating tank tank bottom height；At this point, the pressure that pressure sensor 21 measures
Power is at first position to the pressure of the drilling fluid at liquid level, and the preset pressure value in the present embodiment is the normal level of liquid
The pressure value that pressure sensor 21 measures when height.
Processing equipment 23 obtains the pressure difference of drilling fluid according to the pressure value and preset pressure value of the drilling fluid at each moment
Value；According to the pressure difference value and preset threshold pressure differential, the monitoring result of the drilling fluid at each moment is obtained；Specifically, working as the pressure
When power difference is greater than preset threshold pressure differential, monitoring result indicates that the location of the liquid level of drilling fluid is not in predeterminated position area
In domain, processing equipment 23, which determines, occurs overflow or leakage；When the pressure difference value is less than preset threshold pressure differential, monitoring result table
Show that the location of liquid level of drilling fluid is in processing equipment 23 in preset position area and determines that circulating tank works well, does not occur
Overflow or leakage.
In the present embodiment, system is monitored further include: guard bar；Guard bar is hollow setting, and the first end of guard bar is arranged
On upper lid or the first end of guard bar is arranged across upper cover, is on mutually level guard bar with the capping of upper cover
Rod segment is connect with upper cover, and the second end of guard bar is arranged at first position；The inside of guard bar is arranged in pressure sensor, the
One bundle conductor passes through the first end and pressure sensor that upper cover, the first end of guard bar or the first bundle conductor pass through guard bar
Connection；Such set-up mode not only avoids damage of the drilling fluid to pressure sensor, and convenient for occurring in pressure sensor
When can damage, pressure sensor is taken out from drilling fluid by guard bar, facilitates operator and replace pressure sensor；Into one
Step, also the second position is set to center to the side between the boundary of upper cover and close to upper cover of upper cover in the present embodiment
The position on boundary avoids the influence that stirring rod measures pressure sensor；Further, the utility model is due to pressure sensor
The pressure for the drilling fluid for being fixed at first position, therefore obtaining is accurate, the real-time liquid measure of indirect gain drilling fluid, so that
The monitoring result of the drilling fluid of acquisition is accurate, and the monitoring system of drilling fluid provided in this embodiment accurately, can be obtained sensitively
The monitoring result of drilling fluid.
Embodiment three
On the basis of the above embodiments, below with reference to Fig. 6 to the monitoring system of drilling fluid provided by the utility model, with
And processing equipment 23 is described in detail, Fig. 6 is the structural schematic diagram four of the monitoring system of drilling fluid provided by the utility model,
As shown in fig. 6, the processing equipment 23 of drilling fluid provided in this embodiment includes: modulus a/d transducer 231 and controller 232.
First bundle conductor 22 includes: the first sub-conductor beam 221 and the second sub-conductor beam 222.The of first sub-conductor beam 221
The upper cover that one end passes through circulating tank is connect with pressure sensor 21, the second end and A/D converter 231 of the first sub-conductor beam 221
First end connection, the second end of A/D converter 231 connect with the first end of the second sub-conductor beam 222, the second sub-conductor beam
222 second end is connect with controller 232.
Controller 232, the pressure value at each moment for being acquired according to pressure sensor 21, circulating tank cross-sectional area,
The density of drilling fluid obtains the liquid measure of the drilling fluid at each moment；According to the liquid measure of the drilling fluid at each moment, default liquid measure and preset
Difference liquid measure obtains the monitoring result of the drilling fluid at each moment.Specifically, controller 232 obtains the monitoring result of drilling fluid
Concrete mode is referred to the associated description in above-described embodiment, and this will not be repeated here.
Alternatively,
Controller 232, pressure value, preset pressure value and preset pressure for being acquired according to each moment of pressure sensor 21
Threshold value obtains the monitoring result of drilling fluid.Specifically, the concrete mode that controller 232 obtains the monitoring result of drilling fluid can be with
Referring to the associated description in above-described embodiment, this will not be repeated here.
Optionally, processing equipment 23 provided in this embodiment further include: amplifier 233.
First bundle conductor 22 further include: third sub-conductor beam 223.The second end and amplifier 233 of second sub-conductor beam 222
First end connection, the second end of amplifier 233 connect with the first end of third sub-conductor beam 223, third sub-conductor beam 223
Second end is connect with controller 232.
Amplifier 233 can amplify the pressure value at each moment that pressure sensor 21 obtains, i.e. place in the present embodiment
Reason equipment 23 can obtain the monitoring knot for making it possible to obtain more accurate drilling fluid even if the pressure value for having minor change
Fruit.
Further, monitoring system provided in this embodiment further include: warning device 25 and the second bundle conductor 26.
Wherein, the second end of third sub-conductor beam 223 is connect with the first end of controller 232, the second end of controller 232
It is connect with the first end of the second bundle conductor 26, the second end of the second bundle conductor 26 is connect with warning device 25.
Warning device 25 indicates the liquid measure and default liquid measure of the drilling fluid at each moment for the monitoring result when drilling fluid
When difference is greater than default liquid difference threshold value, alarm signal is issued；Alternatively, warning device 25, for working as the monitoring result table of drilling fluid
When the difference of the pressure value and preset pressure value of showing each moment is greater than preset pressure threshold value, alarm signal is issued.
Warning device 25 may include one of buzzer, indicator light, loudspeaker or a variety of, specifically, specifically, when boring
When the monitoring result of well liquid indicates that the liquid measure of the drilling fluid at each moment and the difference of default liquid measure are greater than default liquid difference threshold value, control
The control loudspeaker casting of device 232 can send out a warning about information such as " danger " or indicator light or buzzer can beep.
Further, the mode of prompting is also possible to loudspeaker casting about information such as " danger " or indicator light meeting azarin
Lamp or buzzer can beep in any two kinds or three kinds of combination, the present embodiment is without limitation, as long as
Effectively operator can be reminded to take care.
In the present embodiment, by the way that warning device is further arranged in the monitoring system of drilling fluid, can effectively it remind
Operator takes care, and user experience is high.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of monitoring system of drilling fluid characterized by comprising pressure sensor, the first bundle conductor and processing equipment；
The pressure sensor is arranged at the first position inside circulating tank, and the first position is located in the circulating tank
Below the liquid level of drilling fluid；
The upper cover that the first end of first bundle conductor passes through the circulating tank is connect with the pressure sensor, and described first leads
The second end of harness is connect with the processing equipment being located at outside the circulating tank；
The processing equipment, for obtaining the drilling fluid in the monitoring result at each moment, the monitoring result is for indicating institute
State the location of the liquid level of drilling fluid.
2. monitoring system according to claim 1, which is characterized in that
The processing equipment, specifically for pressure value, the preset pressure acquired according to the pressure sensor at each moment
Value and preset pressure threshold value obtain the monitoring result of the drilling fluid at each moment；Alternatively,
The processing equipment, specifically for pressure value, the circulation acquired according to the pressure sensor at each moment
The density of the cross-sectional area of tank, the drilling fluid, obtains the liquid measure of the drilling fluid at each moment, and according to it is described each when
The liquid measure for the drilling fluid carved, default liquid measure and default liquid difference threshold value, obtain the monitoring of the drilling fluid at each moment
As a result.
3. monitoring system according to claim 2, which is characterized in that the monitoring system further include: guard bar；
The guard bar is hollow setting, and the first end of the guard bar is arranged on the cover, the second of the guard bar
End is arranged at the first position；
The pressure sensor is arranged at the first position of the inside of the guard bar, and first bundle conductor is successively worn
The first end for crossing the upper cover, the guard bar is connect with the pressure sensor.
4. monitoring system according to claim 2, which is characterized in that the monitoring system further include: guard bar；
The guard bar is hollow setting, and the second end of the guard bar is arranged at the first position, the guard bar
First end is arranged across the upper cover, with the capping of the upper cover be in rod segment on the mutually level guard bar with it is described
Upper cover connection；
The pressure sensor is arranged at the first position of the inside of the guard bar, and first bundle conductor passes through institute
The first end for stating guard bar is connect with the pressure sensor.
5. monitoring system according to claim 3 or 4, which is characterized in that the first end of the guard bar is arranged described
The second position on upper lid；Alternatively,
The position that the rod segment of the guard bar is connect with the upper cover is located at the second position on the upper lid；
The second position is center to the position between the boundary of the upper cover of the upper cover.
6. monitoring system according to claim 5, which is characterized in that the second position for the upper cover center to institute
State the position on boundary between the boundary of upper cover and close to the upper cover.
7. monitoring system according to claim 2, which is characterized in that the processing equipment include: modulus a/d transducer and
Controller；
First bundle conductor includes: the first sub-conductor beam and the second sub-conductor beam；
The upper cover that the first end of the first sub-conductor beam passes through the circulating tank is connect with the pressure sensor, and described first
The second end of sub-conductor beam is connect with the first end of the A/D converter, the second end of the A/D converter and second son
The first end of bundle conductor connects, and the second end of the second sub-conductor beam is connect with the controller；
The controller, the cross section of the pressure value at each moment for being acquired according to the pressure sensor, the circulating tank
The density of long-pending, the described drilling fluid obtains the liquid measure of the drilling fluid at each moment, and according to the brill at each moment
The liquid measure of well liquid, the default liquid measure and the preset difference value liquid measure obtain the monitoring knot of the drilling fluid at each moment
Fruit；Alternatively,
The controller, for according to the pressure value of the pressure sensor each moment acquisition, the preset pressure value and described
Preset pressure threshold value obtains the monitoring result of the drilling fluid.
8. monitoring system according to claim 7, which is characterized in that the processing equipment further include: amplifier；
First bundle conductor further include: third sub-conductor beam；
The second end of the second sub-conductor beam is connect with the first end of the amplifier, the second end of the amplifier with it is described
The first end of third sub-conductor beam connects, and the second end of the third sub-conductor beam is connect with the controller.
9. monitoring system according to claim 8, which is characterized in that the monitoring system further includes warning device and second
Bundle conductor；
The second end of the third sub-conductor beam is connect with the first end of the controller, the second end of the controller with it is described
The first end of second bundle conductor connects, and the second end of second bundle conductor is connect with the warning device；
The warning device, for when the drilling fluid monitoring result indicate each moment the drilling fluid liquid measure and
When the difference of the default liquid measure is greater than the default liquid difference threshold value, alarm signal is issued；Alternatively,
The warning device indicates the pressure value and the default pressure at each moment for the monitoring result when the drilling fluid
When the difference of force value is greater than the preset pressure threshold value, the alarm signal is issued.
10. monitoring system according to claim 9, which is characterized in that the warning device include buzzer, indicator light,
One of loudspeaker are a variety of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821186176.0U CN208595944U (en) | 2018-07-25 | 2018-07-25 | The monitoring system of drilling fluid |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821186176.0U CN208595944U (en) | 2018-07-25 | 2018-07-25 | The monitoring system of drilling fluid |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117780334A (en) * | 2024-02-27 | 2024-03-29 | 西南石油大学 | Drilling fluid level measuring device and measuring method |
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2018
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117780334A (en) * | 2024-02-27 | 2024-03-29 | 西南石油大学 | Drilling fluid level measuring device and measuring method |
| CN117780334B (en) * | 2024-02-27 | 2024-05-03 | 西南石油大学 | Drilling fluid level measuring device and measuring method |
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