CN201568047U - Integrated drilling slurry parameter monitoring system - Google Patents
Integrated drilling slurry parameter monitoring system Download PDFInfo
- Publication number
- CN201568047U CN201568047U CN2009202468453U CN200920246845U CN201568047U CN 201568047 U CN201568047 U CN 201568047U CN 2009202468453 U CN2009202468453 U CN 2009202468453U CN 200920246845 U CN200920246845 U CN 200920246845U CN 201568047 U CN201568047 U CN 201568047U
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- Prior art keywords
- drilling
- minute
- density
- monitoring system
- pressure transmitter
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- 238000005553 drilling Methods 0.000 title claims abstract description 87
- 238000012544 monitoring process Methods 0.000 title claims abstract description 34
- 239000002002 slurry Substances 0.000 title abstract 3
- 239000012530 fluid Substances 0.000 claims description 57
- 239000007788 liquid Substances 0.000 abstract description 31
- 230000002159 abnormal effect Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract 1
- 239000003208 petroleum Substances 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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Abstract
The utility model discloses an integrated drilling slurry parameter monitoring system, which is applied to monitor the parameters of drilling liquid in a petroleum and gas drilling liquid solid control system, and mainly consists of micro-pressure transducers, a temperature transducer, a drilling liquid storage tank, an alarm kit and a human-computer interface; the alarm kit and the human-computer interface are connected by a signal wire. Three or a plurality of micro-pressure transducers are fixedly arranged in the drilling liquid storage tank; each micro-pressure transducer is connected with the alarm kit by signal wire; the temperature transducer is fixedly arranged in the drilling liquid storage tank; and the temperature transducer is connected with the alarm kit by signal wire. The integrated drilling slurry parameter monitoring system has the effects of being capable of monitoring the changes of size, density and temperature parameters of the drilling liquid in real time, monitoring the abnormal situations like well kick, leakage, etc, in real time through the monitoring on the size, density and temperature parameters of the drilling liquid, judging the invalidity or deflection situation of the micro-pressure transducers in the monitoring system simultaneously and improving the accuracy of parameter monitoring.
Description
Technical field
The utility model relates to the oil and gas well drilling technical field, and the particularly monitoring of drilling liquid parameter in the solidification control system for well drilling liguid is a kind of integrated drilling mud parameter monitoring system.
Background technology
In oil and gas well drilling, the drilling fluid volume changes and variable density is the important parameter of monitoring well kick and leakage.Adopt at present artificial or technological means is measured respectively and monitored that the drilling fluid volume changes and variable density, still do not have the incorporate instrumentation of the well kick leakage being made early warning by monitoring drilling fluid volume and variable density.
The monitoring of drilling fluid volume is under the known situation of tank structure size, adopts the monitoring liquid level, converses the drilling fluid cumulative volume with liquid level.The method of monitoring liquid level mainly contains following several: pressure type is measured, and adopts pressure sensor is by change value of pressure reflection drilling fluid liquid level variation; The machinery contact type measurement adopts liquid level float reflection drilling fluid level change; Adopt ultrasonic wave directly to measure the drilling fluid liquid level.
The monitoring of drilling fluid density adopts the density instrument to measure drilling fluid density or employing balance measurement method is measured drilling fluid density.
At present, the shortcoming of the method for monitoring drilling fluid volume and drilling fluid density existence is: the independent respectively monitoring of drilling fluid volume and density; Can not obtain well kick and leakage omen information in addition timely and accurately.
The utility model content
The purpose of this utility model is: a kind of integrated drilling mud parameter monitoring system is provided, use the minute-pressure transmitter more than three to monitor drilling fluid volume and density parameter simultaneously, and the parameter value variation situation of comprehensive wherein two minute-pressure transmitter monitoring drilling fluid volumes and density.The drilling fluid actual parameter is accurately judged, analyzed the information that obtains well kick and leakage.
The technical solution adopted in the utility model is: integrated drilling mud parameter monitoring system, mainly form by minute-pressure transmitter, temperature transmitter, drilling well fluid reservoir, warning box and man-machine interface, and there is holding wire to be connected between warning box and the man-machine interface.It is characterized in that: be fixed with three or more minute-pressure transmitter in the drilling well fluid reservoir, each minute-pressure transmitter has holding wire to connect the warning box, is fixed with temperature transmitter in the drilling well fluid reservoir, and temperature transmitter has holding wire to connect the warning box.
Described three or more minute-pressure transmitter is fixed on the support, and support is fixed in the drilling well fluid reservoir.Three or more minute-pressure transmitter is fixing to be gone up at various height.
The operating principle of integrated drilling mud parameter monitoring system: three or more minute-pressure transmitter is installed in the differing heights position in drilling well fluid reservoir 5.When the pressure signal of minute-pressure transmitter collection is sent on PLC or the Industrial Personal Computer (IPC), by calculating the pressure differential between each minute-pressure transmitter, and calculate the density of drilling fluid according to the constant spacing between them, calculate the height of liquid level simultaneously by the density that obtains, and monitor the height change value and the variable density value of drilling fluid in real time.When changing value was higher than the initial value of setting, the warning box sent alarm signal.Because per two minute-pressure transmitters can be gathered one group of pressure signal and analytical calculation drilling liquid parameter, according to the permutation and combination formula, the 3+N of system minute-pressure transmitter can provide
Organize separate drilling liquid parameter, these parameters can backup each other and mutual correction, avoid improving the reliability and the order of accuarcy of parameter monitoring because certain minute-pressure transmitter lost efficacy or deviation causes thrashing or deviation.Can or directly use Industrial Personal Computer (IPC) that the alarming value of drilling fluid density and volume is set by touch-screen, computer.Native system while serviceability temperature transmitter is monitored the temperature parameter in the drilling fluid storage tank in real time.
The beneficial effects of the utility model: the integrated drilling mud parameter monitoring system of the utility model can monitor the variation of drilling fluid volume, density, temperature parameter in real time, and the main performance of well kick, leakage early period of origination is exactly the change of drilling liquid parameter.By monitoring to drilling fluid volume, density, temperature parameter, can monitor abnormal conditions such as well kick and leakage in real time, judge the inefficacy or the deviation situation of minute-pressure transmitter in the monitoring system simultaneously, improve the order of accuarcy of parameter detecting.Send pre-information through logic control, additional related personnel make judgement.According to alarm point the monitoring of setting unusually and reporting to the police to the well kick leakage.This system signal transmission is reliable, be active in one's movements, and can effectively monitor the variation of drilling liquid parameter.
Description of drawings
Fig. 1 is the structural representation of the integrated drilling mud parameter monitoring system of the utility model.
Among the figure, 1.SP1 minute-pressure transmitter, 2.SP2 minute-pressure transmitter, 3.SP3 minute-pressure transmitter, 4. temperature transmitter, 5. drilling well fluid reservoir, 6. warning box, 7. man-machine interface.
The specific embodiment
Embodiment 1: the integrated drilling liquid parameter monitoring system with three minute-pressure transmitters is an example, and the utility model is described in further detail.
Consult Fig. 1.The integrated drilling mud parameter monitoring system of the utility model, integrated drilling mud parameter monitoring system, mainly form, have holding wire to be connected between warning box 6 and the man-machine interface 7 by minute-pressure transmitter, temperature transmitter 4, drilling well fluid reservoir 5, warning box 6 and man-machine interface 7.
Be fixed with three minute-pressure transmitters in drilling well fluid reservoir 5, three minute-pressure transmitters are respectively SP1 minute-pressure transmitter 1, SP2 minute-pressure transmitter 2 and SP3 minute-pressure transmitter 3.Three are fixed on the support, and support uprightly is fixed on the bottom of drilling well fluid reservoir 5.Three minute-pressure transmitters are fixed and are gone up at various height.SP1 minute-pressure transmitter 1 is apart from 50 millimeters of fluid reservoir 5 bottoms, and SP2 minute-pressure transmitter 2 is apart from 550 millimeters of fluid reservoir 5 bottoms, and SP3 minute-pressure transmitter 3 is apart from 1050 millimeters of fluid reservoir 5 bottoms.The model of SP1 minute-pressure transmitter 1, SP2 minute-pressure transmitter 2 and SP3 minute-pressure transmitter 3 is DS1300-QS-C-2-0.1/AA/GW.Three minute-pressure transmitters connect warning box 6 by holding wire.
Be fixed with a temperature transmitter 4 in drilling well fluid reservoir 5, temperature transmitter 4 has holding wire to connect warning box 6.The model of temperature transmitter 4 is PT400-0-200.
Those skilled in the art can realize reporting to the police box 6 and man-machine interface 7 are not described in detail.
The force value that SP1 minute-pressure transmitter, SP2 minute-pressure transmitter, SP3 minute-pressure transmitter record is respectively P
a, P
b, P
c, P then
a-P
b=P
AbP
a-P
c=P
AcP
b-P
c=P
Bc
According to formula Δ P=ρ g Δ h, wherein Δ h is two distances between the minute-pressure transmitter, is fixed value.
According to following formula, can calculate one group of drilling liquid parameter according to measured value by any two minute-pressure transmitters, method is as follows:
Determining of drilling fluid density:
ρ＝ΔP/gΔh
Determining of drilling fluid liquid level:
h＝P/ρg
Determining of drilling fluid volume:
V=A * h wherein A is the sectional area of drilling fluid storage tank.
The judgement of well kick: when well kick takes place, be accompanied by a large amount of oil-containing gas well liquid and enter the drilling fluid storage tank, the volume of drilling fluid and density can change, and generally show as volume increase or density and reduce.In system, set the alarm point of drilling fluid volume or liquid level, when drilling fluid volume or liquid level occurring, send the warning reminding related personnel and note taking operation above setting.Alarming value can be adjusted by the related personnel according to the situation of reality.
The judgement of leakage: when leakage takes place, show as the disappearance of a large amount of drilling fluids.In system, set the alarm point of drilling fluid volume or liquid level, be lower than when setting, send the warning reminding related personnel and note when drilling fluid volume or liquid level occurring.Alarming value can be adjusted by the related personnel according to the situation of reality.
The judgement that drilling fluid is unusual: under complicated drilling condition, the volume or the liquid level of drilling fluid do not change, but density changes.Wherein drilling fluid density decline is a modal reason that causes well kick.Therefore, in system, set the alarm point that drilling fluid density changes.When being below or above the density range of setting, drilling fluid density reports to the police.When changing the density of mud, also can real-time monitor change back density value by system according to the drilling well needs.
The density value that relatively calculates, when the density difference that three calculating occur was big, then prompting had the minute-pressure transmitter that error is arranged on man-machine interface, the measured value of the transmitter of verification minute-pressure so each other.When the variable quantity of density surpasses the changing value of setting on the man-machine interface, then send warning, the prompting related personnel notices whether the shaft bottom has abnormal conditions to take place.After calculating the liquid level density p of drilling fluid pot, again according to formula
Calculate liquid level, in the unit interval, when the variable quantity of liquid level surpasses the changing value of setting on the man-machine interface, then send warning, the prompting related personnel notes whether having well kick leakage and other abnormal conditions.
Claims (2)
1. integrated drilling mud parameter monitoring system, mainly form by minute-pressure transmitter, temperature transmitter (4), drilling well fluid reservoir (5), warning box (6) and man-machine interface (7), there is holding wire to be connected between warning box (6) and the man-machine interface (7), it is characterized in that: in drilling well fluid reservoir (5), be fixed with three or more minute-pressure transmitter, each minute-pressure transmitter has holding wire to connect warning box (6), be fixed with temperature transmitter (4) in drilling well fluid reservoir (5), temperature transmitter (4) has holding wire to connect warning box (6).
2. integrated drilling mud parameter monitoring system according to claim 1 is characterized in that: described three or more minute-pressure transmitter is fixed on the support, and support is fixed in the drilling well fluid reservoir (5); Three or more minute-pressure transmitter is fixing to be gone up at various height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202468453U CN201568047U (en) | 2009-11-11 | 2009-11-11 | Integrated drilling slurry parameter monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202468453U CN201568047U (en) | 2009-11-11 | 2009-11-11 | Integrated drilling slurry parameter monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201568047U true CN201568047U (en) | 2010-09-01 |
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ID=42660334
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202468453U Expired - Lifetime CN201568047U (en) | 2009-11-11 | 2009-11-11 | Integrated drilling slurry parameter monitoring system |
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| Country | Link |
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| CN (1) | CN201568047U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102436268A (en) * | 2011-09-28 | 2012-05-02 | 上海宏力半导体制造有限公司 | Real-time monitoring system for liquid volume variation |
| CN105952436A (en) * | 2016-04-27 | 2016-09-21 | 西南石油大学 | Real time monitor method for early stage well kick overflow based on transient flow |
| CN102436268B (en) * | 2011-09-28 | 2016-12-14 | 上海华虹宏力半导体制造有限公司 | The real-time monitoring system of liquid volume variable quantity |
| CN108801847A (en) * | 2018-06-23 | 2018-11-13 | 蚌埠赛英电子科技发展有限公司 | The mating mud density harvester of wireless composite logging |
| CN110763299A (en) * | 2018-07-25 | 2020-02-07 | 中国石油天然气股份有限公司 | Monitoring system of drilling fluid |
-
2009
- 2009-11-11 CN CN2009202468453U patent/CN201568047U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102436268A (en) * | 2011-09-28 | 2012-05-02 | 上海宏力半导体制造有限公司 | Real-time monitoring system for liquid volume variation |
| CN102436268B (en) * | 2011-09-28 | 2016-12-14 | 上海华虹宏力半导体制造有限公司 | The real-time monitoring system of liquid volume variable quantity |
| CN105952436A (en) * | 2016-04-27 | 2016-09-21 | 西南石油大学 | Real time monitor method for early stage well kick overflow based on transient flow |
| CN105952436B (en) * | 2016-04-27 | 2019-08-20 | 西南石油大学 | A method for real-time monitoring of early kick overflow based on instantaneous flow rate |
| CN108801847A (en) * | 2018-06-23 | 2018-11-13 | 蚌埠赛英电子科技发展有限公司 | The mating mud density harvester of wireless composite logging |
| CN110763299A (en) * | 2018-07-25 | 2020-02-07 | 中国石油天然气股份有限公司 | Monitoring system of drilling fluid |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100901 |