CN204302382U - A kind of resistivity measurement parts - Google Patents
A kind of resistivity measurement parts Download PDFInfo
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- CN204302382U CN204302382U CN201420664898.8U CN201420664898U CN204302382U CN 204302382 U CN204302382 U CN 204302382U CN 201420664898 U CN201420664898 U CN 201420664898U CN 204302382 U CN204302382 U CN 204302382U
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- electrode
- limited block
- voltage electrode
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- probe
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Abstract
The utility model relates to well logging field, disclose a kind of resistivity measurement parts, comprise a columned probe, described probe comprises the connector portions being located at probe tip, the electrode section be located at the outwardly limiting section of epimere in probe and be located at below limiting section, described connector portions is provided with USB joint, described limiting section is provided with the first limited block coordinated with the second limited block inside mud tank tank mouth, described electrode section is provided with galvanic electrode for obtaining mud electric current and voltage and voltage electrode, described galvanic electrode is connected respectively by the pin that wire is different from described USB joint with voltage electrode.Resistivity measurement modular construction of the present utility model is small and exquisite, be easy to carry without the need to Alternating Current Power Supply, makes simple, with low cost.
Description
Technical field
The utility model relates to well logging field, particularly relates to a kind of resistivity measurement parts.
Background technology
In well logging industry, by feeding certain electric current to mud, making diverse location in mud produce potential difference (PD), thus calculating the resistivity of mud.Mud resistivity, the explanation for geologic logging data provides reliable reference data.In prior art, measure mud resistivity and mainly adopt mud tank method, need to be equipped with huge land-based AC during measurement to power instrumentation and testing equipment box, described measuring equipment case needs artificial wiring to carry out measurement mud resistivity, operation more complicated, wiring makes mistakes and measurement result can be caused not right, even causes big current to cause personal injury, and measure the mud resistivity value of result needs under artificial calculating or inspection information just can obtain standard temperature obtained, not intuitively easy.
Secondly, the container holding mud is the mud tank that madial wall is embedded with electrode, and mud is a kind of corrosive liquids being mixed with number of chemical material, and after finishing using, the cleaning of mud tank is more difficult, if cleaning force is spent greatly, easily causes the damage of electrode; Inevitably, after repeatedly using, there is electrode polarization phenomenon, reduce measuring accuracy, affect measurement quality in mud tank.
To sum up, research and develop a miniaturization, handling safety, be easy to carry, resistivity measurement parts that measuring accuracy is high, seem and be even more important.
Utility model content
For overcoming the deficiencies in the prior art, the utility model object is: provide a kind of resistivity measurement parts, the utility model compact structure, easy and simple to handle, measuring accuracy is high.
In order to solve the technical matters in background technology, the utility model provides a kind of resistivity measurement parts, comprise the connector portions being located at probe tip, the electrode section be located at the outwardly limiting section of epimere in probe and be located at below limiting section, described connector portions is provided with USB joint, described limiting section is provided with the first limited block coordinated with the second limited block inside mud tank tank mouth, described electrode section is provided with galvanic electrode for obtaining mud electric current and voltage and voltage electrode, described galvanic electrode is connected respectively by the pin that wire is different from described USB joint with voltage electrode.
Particularly, described galvanic electrode comprises the first galvanic electrode and second galvanic electrode of ring-type, voltage electrode comprises the first voltage electrode and second voltage electrode of ring-type, the first galvanic electrode, the first voltage electrode, the second voltage electrode and the second galvanic electrode is provided with successively from the upper end of electrode section to lower end, a certain distance is provided with between described first voltage electrode and the second voltage electrode, the width of any two electrodes is identical, and any one electrode is close to described probe outside surface and is rounded.
Preferably, the spacing range between described first voltage electrode and the second voltage electrode is 4-6 times of the cross section circular diameter of electrode section.
Alternatively, described first limited block is be arranged at the limiting section upper horizontal plane arch block of a week, or, the second limited block coordinated with the first limited block is be arranged at the surface level arch block of a week inside mud tank tank mouth, be provided with the 3rd limited block of protrusion below described second limited block, described first limited block is fixed between the second limited block and the 3rd limited block through the second limited block.
Alternatively, described electrode section is provided with temperature sensor between the first voltage electrode and the second voltage electrode, the two ends of described temperature sensor are connected with two pins of USB joint by wire.
Preferably, the cross section circular diameter of described electrode section is no more than 1/3rd of mud tank internal diameter.
Particularly, described limiting section is less than the degree of depth of mud tank to the distance of probe lower end, and preferably, probe lower surface is circumferentially provided with rounding.
Preferably, the inside diameter ranges of described mud tank is 15-30mm.
The principle of resistivity measurement parts of the present utility model 1. feeds certain electric current to mud, makes diverse location in mud produce potential difference (PD), can calculate the resistance of mud accordingly, according to formula
measure the effective cross section sum length of mud resistance, can mud resistivity be obtained; 2. the electrode in outside is that mud is powered, two electrode measurement electric potential differences of inner side, and the reasonable layout of electrode ensure that the accuracy of measurement; 3. USB communication interface is adopted, and without the need to complex operations such as wiring; 4. temperature sensor be arranged so that while test resistance rate, the measurement of fluid temperature can be carried out in real time; 5. resistivity measurement parts are provided with for the stop means fixing with mud tank, making probe insert mud tank time mud tank carries out measuring can operate by taken away from desktop, improves the convenience measured; 6. probe and mud tank can be used as single use, solve a difficult problem for cleaning.
Adopt technique scheme, resistivity measurement parts of the present utility model have following beneficial effect: 1. adopt USB communication interface, and without the need to wiring, easy and simple to handle being not easy is made mistakes; 2. sonde configuration is light and handy, without the need to Alternating Current Power Supply, is easy to carry; 3. probe is provided with temperature sensor, measuring tempeature while measurement mud resistivity, conveniently carries out the resistivity conversion under different temperatures; 4. probe is provided with for the stop means fixing with mud tank, and mud tank can follow probe taken away from desktop, measures easy and simple to handle; 5. the measurement mechanism manufacture craft of probe and mud tank is simple, cost-saving; 6. probe and mud tank can single use, avoid because Reusability causes electrode polarization and affect measuring accuracy.In sum, resistivity measurement modular construction of the present utility model is light and handy, and easy and simple to handle, measuring accuracy is high.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical solution of the utility model, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the resistivity measurement parts that the utility model embodiment provides;
Fig. 2 is the structural representation of the mud tank used with resistivity measurement part fits that the utility model embodiment provides;
Fig. 3 is the resistivity measurement parts that provide of the utility model embodiment and the mud tank schematic diagram with the use of state.
In figure, Reference numeral corresponds to: 1-electrode section, 11-first galvanic electrode, 12-first voltage electrode, 13-second voltage electrode, 14-second galvanic electrode, 2-rounding, 3-connector portions, 31-USB joint, 4-limiting section, 41-first limited block, 5-mud tank, 51-second limited block, 6-temperature sensor.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite of not making creative work, all belongs to the scope of the utility model protection.
The structural representation of the resistivity measurement parts that embodiment 1: Fig. 1 provides for the utility model embodiment, can be clear that in figure that resistivity measurement parts comprise the connector portions 3 being located at probe tip, the electrode section 1 be located at the outwardly limiting section of epimere in probe 4 and be located at below limiting section 4, described connector portions 3 is provided with USB joint 31, described limiting section 4 is provided with the first limited block 41 coordinated with the second limited block 51 inside mud tank 5 tank mouth, described electrode section 1 is provided with galvanic electrode for obtaining mud electric current and voltage and voltage electrode, described galvanic electrode is connected respectively by the pin that wire is different from described USB joint 31 with voltage electrode.
Alternatively, described first limited block 41 is for being arranged at the limiting section 4 upper horizontal plane arch block of a week, or, the second limited block 51 coordinated with the first limited block 41 is for being arranged at the surface level arch block of a week inside mud tank 5 tank mouth, when stretching into when popping one's head in the mud to be measured in mud tank, described first limited block 41 can make mud tank follow probe taken away from desktop through the second limited block 51,3rd limited block is set below the second limited block 51, first limited block 41 is fixed between the second limited block 51 and the 3rd limited block, and probe can be made fixedly to be inserted in mud tank.
Particularly, described galvanic electrode comprises the first galvanic electrode 11 and the second galvanic electrode 14 of ring-type, voltage electrode comprises the first voltage electrode 12 and the second voltage electrode 13 of ring-type, the first galvanic electrode 11 is provided with successively from the upper end of electrode section 1 to lower end, first voltage electrode 12, second voltage electrode 13 and the second galvanic electrode 14, four electrodes are parallel to each other, a certain distance is provided with between described first voltage electrode 12 and the second voltage electrode 13, the electric field of two electrodes can not be influenced each other, the width of any two electrodes is identical, any one electrode is close to described probe and is rounded, electromotive force in the mud of energising is uniformly distributed.
In the present embodiment, the internal diameter of mud tank 5 is preferably 20mm, the circle diameter that any one electrode is coiled into is preferably 6mm, spacing between described first voltage electrode 12 and the second voltage electrode 13 is preferably 30mm, spacing between described first galvanic electrode 11 and the first voltage electrode 12 is preferably 10mm, and the spacing between described second voltage electrode 13 and the second galvanic electrode 14 is preferably 10mm.
Alternatively, described electrode section 1 is provided with temperature sensor 6 between first voltage electrode 12 and the second voltage electrode 13, the two ends of described temperature sensor 6 are connected with two pins of USB joint 31 by wire, when inserting in mud to be measured when popping one's head in, temperature sensor 6 to be positioned in the middle part of mud and fully to contact with mud.
Particularly, described limiting section 4 is less than the degree of depth of mud tank 5 to the distance of probe lower end, and preferably, probe lower surface is circumferentially provided with rounding 2, to reduce the resistance inserting and be subject in sludge process of popping one's head in.
The structural representation of the resistivity measurement parts that embodiment 2: Fig. 1 provides for the utility model embodiment, can be clear that in figure that resistivity measurement parts comprise the connector portions 3 being located at probe tip, the electrode section 1 be located at the outwardly limiting section of epimere in probe 4 and be located at below limiting section 4, described connector portions 3 is provided with USB joint 31, described limiting section 4 is provided with the first limited block 41 coordinated with the second limited block 51 inside mud tank 5 tank mouth, described electrode section 1 is provided with galvanic electrode for obtaining mud electric current and voltage and voltage electrode, described galvanic electrode is connected respectively by the pin that wire is different from described USB joint 31 with voltage electrode.
Alternatively, described first limited block 41 is for being arranged at the limiting section 4 upper horizontal plane arch block of a week, or, the second limited block 51 coordinated with the first limited block 41 is for being arranged at the surface level arch block of a week inside mud tank 5 tank mouth, when stretching into when popping one's head in the mud to be measured in mud tank, described first limited block 41 can make mud tank follow probe taken away from desktop through the second limited block 51,3rd limited block is set below the second limited block 51, first limited block 41 is fixed between the second limited block 51 and the 3rd limited block, and probe can be made fixedly to be inserted in mud tank.
Particularly, described galvanic electrode comprises the first galvanic electrode 11 and the second galvanic electrode 14, voltage electrode comprises the first voltage electrode 12 and the second voltage electrode 13, the first galvanic electrode 11 is provided with successively from the upper end of electrode section 1 to lower end, first voltage electrode 12, second voltage electrode 13 and the second galvanic electrode 14, four electrodes are parallel to each other, a certain distance is provided with between described first voltage electrode 12 and the second voltage electrode 13, the electric field of two electrodes can not be influenced each other, the width of any two electrodes is identical, any one electrode is close to described probe and is rounded, electromotive force in the mud of energising is uniformly distributed.
In the present embodiment, the internal diameter of mud tank 5 is preferably 35mm, the circle diameter that any one electrode is coiled into is preferably 11mm, spacing between described first voltage electrode 12 and the second voltage electrode 13 is preferably 35mm, spacing between described first galvanic electrode 11 and the first voltage electrode 12 is preferably 10mm, and the spacing between described second voltage electrode 13 and the second galvanic electrode 14 is preferably 10mm.
Alternatively, described electrode section 1 is provided with temperature sensor 6 between first voltage electrode 12 and the second voltage electrode 13, the two ends of described temperature sensor 6 are connected with two pins of USB joint 31 by wire, when inserting in mud to be measured when popping one's head in, temperature sensor 6 to be positioned in the middle part of mud and fully to contact with mud.
Particularly, described limiting section 4 is less than the degree of depth of mud tank 5 to the distance of probe lower end, and preferably, probe lower surface is circumferentially provided with rounding 2, to reduce the resistance inserting and be subject in sludge process of popping one's head in.
The structural representation of the resistivity measurement parts that embodiment 3: Fig. 1 provides for the utility model embodiment, can be clear that in figure that resistivity measurement parts comprise the connector portions 3 being located at probe tip, the electrode section 1 be located at the outwardly limiting section of epimere in probe 4 and be located at below limiting section 4, described connector portions 3 is provided with USB joint 31, described limiting section 4 is provided with the first limited block 41 coordinated with the second limited block 51 inside mud tank 5 tank mouth, described electrode section 1 is provided with galvanic electrode for obtaining mud electric current and voltage and voltage electrode, described galvanic electrode is connected respectively by the pin that wire is different from described USB joint 31 with voltage electrode.
Alternatively, described first limited block 41 is for being arranged at the limiting section 4 upper horizontal plane arch block of a week, or, the second limited block 51 coordinated with the first limited block 41 is for being arranged at the surface level arch block of a week inside mud tank 5 tank mouth, when stretching into when popping one's head in the mud to be measured in mud tank, described first limited block 41 can make mud tank follow probe taken away from desktop through the second limited block 51,3rd limited block is set below the second limited block 51, first limited block 41 is fixed between the second limited block 51 and the 3rd limited block, and probe can be made fixedly to be inserted in mud tank.
Particularly, described galvanic electrode comprises the first galvanic electrode 11 and the second galvanic electrode 14, voltage electrode comprises the first voltage electrode 12 and the second voltage electrode 13, the first galvanic electrode 11 is provided with successively from the upper end of electrode section 1 to lower end, first voltage electrode 12, second voltage electrode 13 and the second galvanic electrode 14, four electrodes are parallel to each other, a certain distance is provided with between described first voltage electrode 12 and the second voltage electrode 13, the electric field of two electrodes can not be influenced each other, the width of any two electrodes is identical, any one electrode is close to described probe and is rounded, electromotive force in the mud of energising is uniformly distributed.
In the present embodiment, the internal diameter of mud tank 5 is preferably 15mm, the circle diameter that any one electrode is coiled into is preferably 5mm, spacing between described first voltage electrode 12 and the second voltage electrode 13 is preferably 30mm, spacing between described first galvanic electrode 11 and the first voltage electrode 12 is preferably 10mm, and the spacing between described second voltage electrode 13 and the second galvanic electrode 14 is preferably 10mm.
Alternatively, described electrode section 1 is provided with temperature sensor 6 between first voltage electrode 12 and the second voltage electrode 13, the two ends of described temperature sensor 6 are connected with two pins of USB joint 31 by wire, when inserting in mud to be measured when popping one's head in, temperature sensor 6 to be positioned in the middle part of mud and fully to contact with mud.
Particularly, described limiting section 4 is less than the degree of depth of mud tank 5 to the distance of probe lower end, and preferably, probe lower surface is circumferentially provided with rounding 2, to reduce the resistance inserting and be subject in sludge process of popping one's head in.
Resistivity measurement modular construction of the present utility model is lightly easy to carry, can with the handset with USB interface with the use of, measure mud resistivity precision high, coordinate mud tank to use can measure mud resistivity and real time temperature simultaneously, operation capable of being taken away from desktop, simple and convenient, measurement mechanism manufacture craft is simply cost-saving.
Above disclosedly be only several preferred embodiment of the present utility model, certainly can not limit the interest field of the utility model with this, therefore according to the equivalent variations that the utility model claim is done, still belong to the scope that the utility model is contained.
Claims (8)
1. resistivity measurement parts, it is characterized in that, comprise a columned probe, described probe comprises the connector portions (3) being located at probe tip, be located at the outwardly limiting section of epimere in probe (4) and be located at the electrode section (1) below limiting section (4), described connector portions (3) is provided with USB joint (31), described limiting section (4) is provided with the first limited block (41) coordinated with the second limited block (51) inside mud tank (5) tank mouth, described electrode section (1) is provided with galvanic electrode for obtaining mud electric current and voltage and voltage electrode, described galvanic electrode is connected respectively by the upper different pin of wire and described USB joint (31) with voltage electrode.
2. resistivity measurement parts as claimed in claim 1, it is characterized in that, described galvanic electrode comprises the first galvanic electrode (11) and second galvanic electrode (14) of ring-type, voltage electrode comprises the first voltage electrode (12) and second voltage electrode (13) of ring-type, the first galvanic electrode (11) is provided with successively to lower end from the upper end of electrode section (1), first voltage electrode (12), second voltage electrode (13) and the second galvanic electrode (14), a certain distance is provided with between described first voltage electrode (12) and the second voltage electrode (13), the width of any two electrodes is identical, any one electrode is close to described probe outside surface and is rounded.
3. resistivity measurement parts as claimed in claim 2, is characterized in that, the spacing range between described first voltage electrode (12) and the second voltage electrode (13) is 4-6 times of the cross section circular diameter of electrode section (1).
4. resistivity measurement parts as claimed in claim 1, it is characterized in that, described first limited block (41) is for being arranged at limiting section (4) the upper horizontal plane arch block of a week, or, the second limited block (51) coordinated with the first limited block (41) is for being arranged at the surface level arch block of a week inside mud tank (5) tank mouth, described second limited block (51) below is provided with the 3rd limited block of protrusion, and described first limited block (41) is fixed between the second limited block (51) and the 3rd limited block through the second limited block (51).
5. resistivity measurement parts as claimed in claim 2, it is characterized in that, be provided with temperature sensor (6) between upper first voltage electrode (12) of described electrode section (1) and the second voltage electrode (13), the two ends of described temperature sensor (6) are connected with two pins of USB joint (31) by wire.
6. resistivity measurement parts as claimed in claim 4, it is characterized in that, the cross section circular diameter of described electrode section (1) is no more than 1/3rd of mud tank (5) internal diameter.
7. resistivity measurement parts as claimed in claim 5, is characterized in that, described limiting section (4) is less than the degree of depth of mud tank (5) to the distance of probe lower end, and lower surface of popping one's head in circumferentially is provided with rounding (2).
8. as the resistivity measurement parts in claim 1-7 as described in any one, it is characterized in that, the inside diameter ranges of described mud tank (5) is 15-30mm.
Priority Applications (1)
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CN201420664898.8U CN204302382U (en) | 2014-11-07 | 2014-11-07 | A kind of resistivity measurement parts |
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CN201420664898.8U CN204302382U (en) | 2014-11-07 | 2014-11-07 | A kind of resistivity measurement parts |
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CN204302382U true CN204302382U (en) | 2015-04-29 |
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CN201420664898.8U Expired - Fee Related CN204302382U (en) | 2014-11-07 | 2014-11-07 | A kind of resistivity measurement parts |
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- 2014-11-07 CN CN201420664898.8U patent/CN204302382U/en not_active Expired - Fee Related
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150429 Termination date: 20201107 |