CN104569110A - Device for measuring ion concentration of drilling fluid - Google Patents
Device for measuring ion concentration of drilling fluid Download PDFInfo
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- CN104569110A CN104569110A CN201310511104.4A CN201310511104A CN104569110A CN 104569110 A CN104569110 A CN 104569110A CN 201310511104 A CN201310511104 A CN 201310511104A CN 104569110 A CN104569110 A CN 104569110A
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Abstract
The invention relates to a device for measuring ion concentration of drilling fluid. According to the technical scheme, the device comprises an electrode measurement system, a stirring system and a potentiometer, wherein the electrode measurement system consists of a closed container and a measurement electrode; the stirring system consists of a motor and a stirring bar; the measurement electrode and the stirring bar are inserted inside the closed container from the top of the closed container, the measurement electrode and the potentiometer are connected, the device is characterized by further comprising a constant-temperature system which consists of a constant-temperature water bath tank, a temperature display instrument and a temperature controller; the closed container of the electrode measurement system is located in the constant-temperature water bath tank. The viscosity result of the drilling fluid measured by using the device is accurate and reliable, and the problems that the experiment result is inaccurate as drilling fluid is unevenly dispersed, potential is unstable as ions in the air enter the drilling fluid after stirring, reading is unstable due to temperature change of the drilling fluid, and the like can be solved.
Description
Technical field
The present invention relates to the ion concentration measurement mechanism in oil development process in related liquid, particularly relate to the device that drilling fluid intermediate ion is measured.
Background technology
At present, we mainly get its filtrate when carrying out ion concentration measurement to drilling fluid, and measure detection to main titration methods that adopts such as ions wherein.Titrimetry belongs to hand dipping method, complicated operation, length consuming time and be easily subject to human factor impact.Simultaneously the frequency that detects of titrimetry is low, cannot provide real-time foundation to the maintenance of the performance of drilling fluid, also effectively cannot prevent property of drilling fluid because the penalty that causes of the change of ion concentration.
Ion selective electrode method measures ion concentration and is widely used in environmental monitoring and water analysis and biology, chemical industry, light industry industry.The method is simple and quick, and precision is higher.When using the method to carry out drilling fluid intermediate ion measurement of concetration, because drilling fluid viscosity is large, solid phase is many, the feature that shear force is large, and ion disperses uneven in drilling fluid, causes the instability of measurement data.If stirring for a long time drilling fluid to obtain stable data, the ion in air can be caused again to be brought in drilling fluid, to cause the inaccurate of measurement result.
Patents has patent publication No. to be the patent of CN 101294927A, the patent of patent publication No. to be the patent of CN 101393221A and patent publication No. be CN 101971014A.Above patent is all measure the instrument of ion concentration based on ion selective electrode method, does not all have temperature to control and mixing control system.Use this instrument to carry out measurement and can not get stable and accurate result." synthetic technology and application " has been looked forward to ion-selective electrode first and has been measured the application in drilling fluid ion concentration in " instrument analytical method of the drilling fluid ion concentration is looked forward to " literary composition delivered in September, 2011 (26 volumes the 3rd phase), but does not have the method improved relevant device and specifically carry out actual measurement for the untreated drilling fluid in scene.
Summary of the invention
The object of the invention is for prior art Problems existing, a kind of drilling fluid ion concentration measurement device can measuring drilling fluid intermediate ion concentration is quickly and accurately provided.
Its technical scheme is, a kind of device measuring drilling fluid ion concentration, comprises electrode measurement system, stirring system and pot, and wherein electrode measurement system comprises closed container and potential electrode; Stirring system comprises motor and stirring rod; Potential electrode and stirring rod insert closed container from closed container top inner, and potential electrode is connected with pot, it is characterized in that also comprising constant temperature system in device, and constant temperature system comprises constant water bath box, temperature indicator and temperature controller; The closed container of electrode measurement system is located in constant water bath box.
Such scheme also comprises
The motor of stirring system is lifted on the side of closed container by base, support and adjusting knob together with stirring rod, motor is connected with speed setting controller.
Closed container top is prefabricated with multiple hole coordinated with potential electrode grafting, and sealing-plug is equipped with in each hole.
The outer cover of stirring rod is equipped with sleeve, and sleeve and closed container joint are provided with sealing-plug.
Potential electrode comprises one or more of calcium ion, chlorion, magnesium ion, carbanion or sulfide-selective electrode.
The effect of invention: the principle that the present invention is based on ion selective electrode method, measurement mechanism is improved, to adapt to the features such as mud solid phase is many, viscosity is large, shear force is large, solve the electrode potential instability, the inaccurate problem of data that cause because drilling fluid ionic dispersion is uneven.In addition, the stronger feature of the temperature sensitivity for ion electrode, adds constant temperature system to get rid of the impact of temperature on measurement result.
This device and method is used to carry out the result of drilling fluid ion concentration measurement accurately and reliably.Can avoid being forbidden because of the uneven experimental result caused of drilling fluid dispersion and air intermediate ion enters in drilling fluid and causes the unstable and drilling fluid temperature of electromotive force to change the problems such as the reading shakiness caused after stirring.The general measuring method (titrimetry) of the result of this experiment and drilling fluid ion concentration is contrasted, obtains result of coincideing preferably.
Accompanying drawing explanation
Accompanying drawing 1 is a kind of structural representation of exemplary embodiments.
In figure, 1 is base, and 2 is supports, 3 is adjusting knobs, and 4 is motor (electric machine controllers), and 5 is stirring rod, 6 is sleeves, and 7 is sealing-plugs, and 8 is potential electrode, 9 is closed containers, 10 is constant water bath box, and 11 is temp control switchs, and 12 is temperature control knob, 13 is temperature indicators, and 14 is pots.
Embodiment
With reference to accompanying drawing 1, the present invention realizes in the following way:
Embodiment 1
This device is made up of stirring system, constant temperature system, electrode measurement system.Stirring system can be even by surveyed liquid agitation, and it specifically arranges as follows, is connected with stirring rod 5 below motor, has one deck sleeve 6 outside stirring rod 5, and this sleeve 6 and sealing-plug 7 compact siro spinning technology in closed container hole 9, make closed container seal.Stirring rod 5 directly over closed container 9, and stretches in closed container 9 and contacts with test solution.
For keeping the constant water bath box 10 of surveyed fluid temperature constant temperature system to be arranged on immediately below closed container 9, temp control switch 11, temperature indicator 13 and temperature control knob 12 are then arranged on the casing of constant water bath box 10.
Electrode measurement system in this device, closed container 9 with perforate is arranged on constant water bath box 10 li, the material of closed container 9 is glass, potential electrode 8 is arranged on the tapping of closed container 9, the electrode put in this embodiment is calcium ion-selective electrode, therefore what measure is the concentration of calcium ion in liquid.Potential electrode 8 fully contacts with surveyed liquid, installs sealing-plug 7 in the junction of electrode and closed container perforate, and sealing-plug 7 can keep closed container 9 to seal completely, and when making to stir, the air in the external world can not enter into closed container 9.Pot 14 in the present invention can carry out current potential display to electrode measured result.
The using method of this device is: measurement liquid is filled closed container, open pot preheating and thermostat, temperature adjustment knob is adjusted to measurement temperature required 3 ° of C, closed containers and puts into constant temperature oven, install stirring rod, put into electrode, after temperature constant, record potential value, obtains measurement result.
Embodiment 2
This device is made up of stirring system, constant temperature system, electrode measurement system.Stirring apparatus can be even by surveyed liquid agitation, and it specifically arranges as follows, and support 2 is arranged on the top of base 1, and adjusting knob 3 is arranged on the junction of support 2, for regulating the height of support.Electrode controller is arranged on support 2, is connected with stirring rod 5 below it, has one deck sleeve 6 outside stirring rod, and the sealing-plug compact siro spinning technology in this sleeve and closed container hole, makes closed container seal.Stirring rod 5 directly over closed container 9, and stretches in closed container 9 and contacts with test solution, is provided with sealing-plug 7 at closed container 9 and the hole place that connects of stirring rod.
In addition, this device also comprises the present invention and also comprises constant temperature system for keeping surveyed fluid temperature constant, as shown in Figure 1: constant water bath box 10 is arranged on immediately below closed container 9, temp control switch 11, temperature indicator 13 and temperature control knob 12 then can be arranged on the casing of constant water bath box as shown in the figure.
In addition, this device also comprises the electrode measurement system for measuring liquid intermediate ion concentration, as shown in Figure 1, closed container 9 with perforate is arranged on constant water bath box 10 li, and the material of closed container 9 is potteries, and potential electrode 8 is arranged on the tapping of closed container 9, in this embodiment, closed container has three perforates, puts into stirring rod, Chloride selective electrode and magnesium ion choice electrode respectively, therefore what measure is the concentration of chlorion and magnesium ion in liquid.Potential electrode 8 fully contacts with surveyed liquid, installs sealing-plug 7 in the junction of electrode and closed container perforate, and sealing-plug 7 can keep closed container 9 to seal completely, and when making to stir, the air in the external world can not enter into closed container 9.Pot 14 in the present invention can carry out current potential display to electrode measured result.
The using method of this device is: measurement liquid is filled closed container, open pot preheating and thermostat, temperature adjustment knob is adjusted to measurement temperature required 90 ° of C, closed containers and puts into constant temperature oven, install stirring rod, put into electrode, after temperature constant, record potential value, obtains measurement result.
Embodiment 3
This device is made up of stirring system, constant temperature system, electrode measurement system.Stirring apparatus can be even by surveyed liquid agitation, and it specifically arranges as follows, and support 2 is arranged on the top of base 1, and adjusting knob 3 is arranged on the junction of support 2, for regulating the height of support.Electrode controller is arranged on support 2, is connected with stirring rod 5 below it, has one deck sleeve 6 outside stirring rod, and the sealing-plug compact siro spinning technology in this sleeve and closed container hole, makes closed container seal.Stirring rod 5 directly over closed container 9, and stretches in closed container 9 and contacts with test solution, is provided with sealing-plug 6 at closed container 9 and the hole place that connects of stirring rod.
In addition, this device also comprises the present invention and also comprises constant temperature system for keeping surveyed fluid temperature constant, as shown in Figure 1: constant water bath box 10 is arranged on immediately below stirring rod 5, temp control switch 11, temperature indicator 13 and temperature control knob 12 then can be arranged on the casing of constant water bath box as shown in the figure.
In addition, this device also comprises the electrode measurement system for measuring liquid intermediate ion concentration, as shown in Figure 1, closed container 9 with perforate is arranged on constant water bath box 10 li, and the material of closed container 9 is plastics, and potential electrode 8 is arranged on the tapping of closed container 9, in this embodiment, closed container has four perforates, puts into stirring rod, Chloride selective electrode, magnesium ion choice electrode and calcium ion-selective electrode respectively, therefore what measure is the concentration of chlorion in liquid, magnesium ion, calcium ion.Potential electrode 8 fully contacts with surveyed liquid, installs sealing-plug 7 in the junction of electrode and closed container perforate, and sealing-plug 7 can keep closed container 9 to seal completely, and when making to stir, the air in the external world can not enter into closed container 9.Pot 14 in the present invention can carry out current potential display to electrode measured result, and its method of attachment as above describes.
The using method of this device is: measurement liquid is filled closed container, open pot preheating and thermostat, temperature adjustment knob is adjusted to measurement temperature required 50 ° of C, closed containers and puts into constant temperature oven, install stirring rod, put into electrode, after temperature constant, record potential value, obtains measurement result.
Embodiment 4
This device is made up of stirring system, constant temperature system, electrode measurement system.Stirring apparatus can be even by surveyed liquid agitation, and it specifically arranges as follows, and support 2 is arranged on the top of base 1, and adjusting knob 3 is arranged on the junction of support 2, for regulating the height of support.Electrode controller is arranged on support 2, is connected with stirring rod 5 below it, has one deck sleeve 6 outside stirring rod, and the sealing-plug compact siro spinning technology in this sleeve and closed container hole, makes closed container seal.Stirring rod 5 directly over closed container 9, and stretches in closed container 9 and contacts with test solution, is provided with sealing-plug 7 at closed container 9 and the hole place that connects of stirring rod.
In addition, this device also comprises the present invention and also comprises constant temperature system for keeping surveyed fluid temperature constant, as shown in Figure 1: constant water bath box 10 is arranged on immediately below stirring rod 5, temp control switch 11, temperature indicator 13 and temperature control knob 12 are placed in separately near water bath.
In addition, this device also comprises the electrode measurement system for measuring liquid intermediate ion concentration, as shown in Figure 1, closed container 9 with perforate is arranged on constant water bath box 10 li, the material of closed container 9 is stainless steels, potential electrode 8 is arranged on the tapping of closed container 9, in this embodiment, closed container has five perforates, put into stirring rod, Chloride selective electrode, magnesium ion choice electrode, sulfide-selective electrode and calcium ion-selective electrode respectively, therefore what measure is the concentration of chlorion in liquid, magnesium ion, sulphion, calcium ion.Potential electrode 8 fully contacts with surveyed liquid, installs sealing-plug 7 in the junction of electrode and closed container perforate, and sealing-plug 7 can keep closed container 9 to seal completely, and when making to stir, the air in the external world can not enter into closed container 9.Pot 14 in the present invention can carry out current potential display to electrode measured result, and its method of attachment as above describes.
The using method of this device is: measurement liquid is filled closed container, open pot preheating and thermostat, temperature adjustment knob is adjusted to measurement temperature required 75 ° of C, closed containers and puts into constant temperature oven, install stirring rod, put into electrode, after temperature constant, record potential value, obtains measurement result.
Embodiment 5
This device is made up of stirring system, constant temperature system, electrode measurement system.Stirring apparatus can be even by surveyed liquid agitation, and it specifically arranges as follows, and support 2 is arranged on the top of base 1, and adjusting knob 3 is arranged on the junction of support 2, for regulating the height of support.Electrode controller is arranged on support 2, is connected with stirring rod 5 below it, has one deck sleeve 6 outside stirring rod, and the sealing-plug compact siro spinning technology in this sleeve and closed container hole, makes closed container seal.Stirring rod 5 directly over closed container 9, and stretches in closed container 9 and contacts with test solution, is provided with sealing-plug 7 at closed container 9 and the hole place that connects of stirring rod.
In addition, this device also comprises the present invention and also comprises constant temperature system for keeping surveyed fluid temperature constant, as shown in Figure 1: constant water bath box 10 is arranged on immediately below stirring rod 5, temp control switch 11, temperature indicator 13 and temperature control knob 12 are placed in separately near water bath.
In addition, this device also comprises the electrode measurement system for measuring liquid intermediate ion concentration, as shown in Figure 1, closed container 9 with perforate is arranged on constant water bath box 10 li, the material of closed container 9 is metals, potential electrode 8 is arranged on the tapping of closed container 9, closed container has 6 perforates, four electrodes and a stirring rod can be put into simultaneously, the electrode put in this embodiment is Chloride selective electrode, magnesium ion choice electrode, calcium ion-selective electrode, carbanion choice electrode, sulfide-selective electrode, therefore the chlorion can simultaneously measured in liquid, magnesium ion, calcium ion, carbanion, the concentration of sulphion.Potential electrode 8 fully contacts with surveyed liquid, installs sealing-plug 7 in the junction of electrode and closed container perforate, and sealing-plug 7 can keep closed container 9 to seal completely, and when making to stir, the air in the external world can not enter into closed container 9.Pot 14 in the present invention can carry out current potential display to electrode measured result, and its method of attachment as above describes.
The using method of this device is: measurement liquid is filled closed container, open pot preheating and thermostat, temperature adjustment knob is adjusted to measurement temperature required 25 ° of C, closed containers and puts into constant temperature oven, install stirring rod, put into electrode, after temperature constant, the potential value of often kind of ion of record pot display, obtains measurement result.
Embodiment 6
This device is made up of stirring system, constant temperature system, electrode measurement system.Stirring apparatus can be even by surveyed liquid agitation, and it specifically arranges as follows, and support 2 is arranged on the top of base 1, and adjusting knob 3 is arranged on the junction of support 2, for regulating the height of support.Electrode controller is arranged on support 2, is connected with stirring rod 5 below it, has one deck sleeve 6 outside stirring rod, and the sealing-plug compact siro spinning technology in this sleeve and closed container hole, makes closed container seal.Stirring rod 5 directly over closed container 9, and stretches in closed container 9 and contacts with test solution, is provided with sealing-plug 6 at closed container 9 and the hole place that connects of stirring rod.
In addition, this device also comprises the present invention and also comprises constant temperature system for keeping surveyed fluid temperature constant, as shown in Figure 1: constant water bath box 10 is arranged on immediately below stirring rod 5, temp control switch 11, temperature indicator 13 and temperature control knob 12 then can be arranged on the casing of constant water bath box as shown in the figure.
In addition, this device also comprises the electrode measurement system for measuring liquid intermediate ion concentration, as shown in Figure 1, closed container 9 with perforate is arranged on constant water bath box 10 li, the material of closed container 9 is glass, potential electrode 8 is arranged on the tapping of closed container 9, and the electrode put in this embodiment is Chloride selective electrode, therefore what measure is the concentration of chlorion in liquid.Potential electrode 8 fully contacts with surveyed liquid, installs sealing-plug 7 in the junction of electrode and closed container perforate, and sealing-plug 7 can keep closed container 9 to seal completely, and when making to stir, the air in the external world can not enter into closed container 9.Pot 14 in the present invention can carry out current potential display to electrode measured result, and its method of attachment as above describes.
The using method of this device is: measurement liquid is filled closed container, open pot preheating and thermostat, temperature adjustment knob is adjusted to measurement temperature required 20 ° of C, closed containers and puts into constant temperature oven, install stirring rod, put into electrode, after temperature constant, record potential value, obtains measurement result.
The result of chlorine ion concentration in drilling fluid measured by table 1 conventional ion choice electrode device
The result of chlorine ion concentration in drilling fluid measured by table 2 the present invention
Table 1 is for by chlorine ion concentration result in the drilling fluid measured by conventional Chloride selective electrode device, as can be seen from the table, the numerical value being obtained electromotive force by pot is very unstable, potential value alters a great deal, the well drilling liquid chlorine ion concentration value calculated also is changed greatly, can not get result accurately compared with actual value.Table 2 is the measurement result that experimental provision of the present invention and chlorine ion electrode carry out chlorine ion concentration in drilling fluid, and therefrom can find out, potentiometric potential value is stablized, and in the drilling fluid obtained, chlorine ion concentration is compared with actual value, and data are accurately and reliably.
Claims (5)
1. measure a device for drilling fluid ion concentration, comprise electrode measurement system, stirring system and pot, wherein electrode measurement system comprises closed container and potential electrode; Stirring system comprises motor and stirring rod; Potential electrode and stirring rod insert closed container from closed container top inner, and potential electrode is connected with pot, it is characterized in that also comprising constant temperature system in device, and constant temperature system comprises constant water bath box, temperature indicator and temperature controller; The closed container of electrode measurement system is located in constant water bath box.
2. the device of measurement drilling fluid ion concentration according to claim 1, is characterized in that: the motor of stirring system is lifted on the side of closed container by base, support and adjusting knob together with stirring rod, motor is connected with speed setting controller.
3. the device of measurement drilling fluid ion concentration according to claim 2, is characterized in that: closed container top is prefabricated with multiple hole coordinated with potential electrode grafting, and sealing-plug is equipped with in each hole.
4. the device of the measurement drilling fluid ion concentration according to claim 1,2 or 3, is characterized in that: the outer cover of stirring rod is equipped with sleeve, sleeve and closed container joint are provided with sealing-plug.
5. the device of the measurement drilling fluid ion concentration according to claim 1,2 or 3, is characterized in that: potential electrode comprises one or more of calcium ion, chlorion, magnesium ion, carbanion or sulfide-selective electrode.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310511104.4A CN104569110A (en) | 2013-10-27 | 2013-10-27 | Device for measuring ion concentration of drilling fluid |
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| CN201310511104.4A CN104569110A (en) | 2013-10-27 | 2013-10-27 | Device for measuring ion concentration of drilling fluid |
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| CN104569110A true CN104569110A (en) | 2015-04-29 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104458878A (en) * | 2014-09-26 | 2015-03-25 | 浙江工商大学 | Saccharin sodium concentration detection device and saccharin sodium concentration detection method |
| CN109782006A (en) * | 2019-03-06 | 2019-05-21 | 四川泰锐石油化工有限公司 | A kind of concentration detection apparatus and drilling fluid comprehensive performance intelligent detection and analysis system |
| CN115112845A (en) * | 2022-08-23 | 2022-09-27 | 中石化胜利石油工程有限公司钻井工艺研究院 | System and method for detecting oil-based drilling fluid performance |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104458878A (en) * | 2014-09-26 | 2015-03-25 | 浙江工商大学 | Saccharin sodium concentration detection device and saccharin sodium concentration detection method |
| CN104458878B (en) * | 2014-09-26 | 2017-02-01 | 浙江工商大学 | Saccharin sodium concentration detection device and saccharin sodium concentration detection method |
| CN109782006A (en) * | 2019-03-06 | 2019-05-21 | 四川泰锐石油化工有限公司 | A kind of concentration detection apparatus and drilling fluid comprehensive performance intelligent detection and analysis system |
| CN115112845A (en) * | 2022-08-23 | 2022-09-27 | 中石化胜利石油工程有限公司钻井工艺研究院 | System and method for detecting oil-based drilling fluid performance |
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Application publication date: 20150429 |
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