CN204302397U - A kind of mud resistivity is measured and is visited post - Google Patents
A kind of mud resistivity is measured and is visited post Download PDFInfo
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- CN204302397U CN204302397U CN201420664829.7U CN201420664829U CN204302397U CN 204302397 U CN204302397 U CN 204302397U CN 201420664829 U CN201420664829 U CN 201420664829U CN 204302397 U CN204302397 U CN 204302397U
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Abstract
The utility model relates to petroleum exploration field, disclose a kind of mud resistivity and measure spy post, comprise the connector portions be located at and visited capital end, be located at the electrode section visited the epimere threaded portion of outwardly a week in post and be located at below threaded portion, described connector portions is provided with USB joint, described threaded portion is provided with the first screw thread matched with the second screw thread inside slurry 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.Mud resistivity of the present utility model measure visit rod structure small and exquisite, be easy to carry without the need to Alternating Current Power Supply, make simple, with low cost.
Description
Technical field
The utility model relates to petroleum exploration field, particularly relates to a kind of mud resistivity and measures spy post.
Background technology
In well logging industry, by feeding certain electric current to mud, making diverse location in mud produce potential difference, 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 slurry tank method, need to be equipped with huge land-based AC during measurement to power instrumentation and testing equipment box, described measurement device 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 normal temperature obtained, not intuitively easy.
Secondly, the container holding mud is the slurry 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 slurry 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 certainty of measurement, affect measurement quality in slurry tank.
To sum up, research and develop a miniaturization, handling safety, be easy to carry, mud resistivity measurement mechanism that certainty of measurement 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 mud resistivity to measure and visit post, the utility model compact structure, easy and simple to handle, certainty of measurement is high.
In order to solve the technical problem in background technology, the utility model provides a kind of mud resistivity and measures spy post, comprise the connector portions be located at and visited capital end, be located at the electrode section visited the epimere threaded portion of outwardly a week in post and be located at below threaded portion, described connector portions is provided with USB joint, described threaded portion is provided with the first screw thread matched with the second screw thread inside slurry 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 spy outer surface of column 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.
Preferably, the cross section circular diameter of described electrode section is no more than 1/3rd of slurry tank internal diameter.
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.
Particularly, described threaded portion is less than the degree of depth of slurry tank with the spacing visiting post lower end, preferably, visits post lower surface and is circumferentially provided with rounding.
Preferably, the inside diameter ranges of described slurry tank is 15-30mm.
Principle of the present utility model 1. feeds certain electric current to mud, makes diverse location in mud produce potential difference, 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 electrical 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. mud resistivity is measured to visit on post and is provided with for spy male screw tank connected with mud, and making spy post insert slurry tank time slurry tank carries out measuring can operate by taken away from desktop, improves the convenience measured; 6. spy post and slurry tank can be used as single use, solve a difficult problem for cleaning.
Adopt technique scheme, the utility model has 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. visit rod structure light and handy, without the need to Alternating Current Power Supply, be easy to carry; 3. visit on post and be provided with temperature sensor, measuring tempeature while measurement mud resistivity, conveniently carry out the resistivity conversion under different temperatures; 4. visiting post is provided with for spy male screw tank connected with mud, and slurry tank can be followed and be visited post taken away from desktop, measures easy and simple to handle; 5. the measurement mechanism manufacture craft visiting post and slurry tank is simple, cost-saving; 6. visiting post and slurry tank can single use, avoids because Reusability causes electrode polarization and affects certainty of measurement.In sum, mud resistivity of the present utility model is measured and is visited rod structure lightly, and easy and simple to handle, certainty of measurement 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 that the mud resistivity that the utility model embodiment provides measures the structural representation visiting post;
Fig. 2 be the utility model embodiment provide with mud resistivity measure visit post with the use of the structural representation of slurry tank;
Fig. 3 is that the mud resistivity that provides of the utility model embodiment is measured and visited post and the slurry 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-threaded portion, 41-first screw thread, 5-slurry tank, 51-second screw thread, 6-temperature sensor.
Detailed description of the invention
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 mud resistivity that embodiment 1: Fig. 1 provides for the utility model embodiment measures the structural representation visiting post, can be clear that in figure that mud resistivity is measured spy post and comprised the connector portions 3 be located at and visited capital end, be located at the electrode section 1 visited the epimere threaded portion of outwardly a week 4 in post and be located at below threaded portion 4, described connector portions 3 is provided with USB joint 31, described threaded portion 4 is provided with the first screw thread 41 matched with the second screw thread 51 inside slurry 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.
The first screw thread 41 on described threaded portion 4 protrudes, accordingly, second screw thread of slurry tank 5 tank mouth is the depression screw thread matched with the first screw thread 41, when visiting post and stretching in the mud to be measured in slurry tank 5, slurry tank 5 can be made to follow visit post taken away from desktop by threaded together.
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 spy outer surface of column and is rounded, electromotive force in the mud of energising is uniformly distributed.
In the present embodiment, the internal diameter of slurry 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 visiting post and inserting in mud to be measured, temperature sensor 6 to be positioned in the middle part of mud and fully to contact with mud.
Particularly, described threaded portion 4 and the spacing visiting post lower end are less than the degree of depth of slurry tank 5, preferably, visit post lower surface and are circumferentially provided with rounding 2, insert to reduce visiting post the resistance be subject in sludge process.
The mud resistivity that embodiment 2: Fig. 1 provides for the utility model embodiment measures the structural representation visiting post, can be clear that in figure that mud resistivity is measured spy post and comprised the connector portions 3 be located at and visited capital end, be located at the electrode section 1 visited the epimere threaded portion of outwardly a week 4 in post and be located at below threaded portion 4, described connector portions 3 is provided with USB joint 31, described threaded portion 4 is provided with the first screw thread 41 matched with the second screw thread 51 inside slurry 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.
The first screw thread 41 on described threaded portion 4 protrudes, accordingly, second screw thread of slurry tank 5 tank mouth is the depression screw thread matched with the first screw thread 41, when visiting post and stretching in the mud to be measured in slurry tank 5, slurry tank 5 can be made to follow visit post taken away from desktop by threaded together.
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 spy outer surface of column and is rounded, electromotive force in the mud of energising is uniformly distributed.
In the present embodiment, the internal diameter of slurry 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 45mm, 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 visiting post and inserting in mud to be measured, temperature sensor 6 to be positioned in the middle part of mud and fully to contact with mud.
Particularly, described threaded portion 4 and the spacing visiting post lower end are less than the degree of depth of slurry tank 5, preferably, visit post lower surface and are circumferentially provided with rounding 2, insert to reduce visiting post the resistance be subject in sludge process.
The mud resistivity that embodiment 3: Fig. 1 provides for the utility model embodiment measures the structural representation visiting post, can be clear that in figure that mud resistivity is measured spy post and comprised the connector portions 3 be located at and visited capital end, be located at the electrode section 1 visited the epimere threaded portion of outwardly a week 4 in post and be located at below threaded portion 4, described connector portions 3 is provided with USB joint 31, described threaded portion 4 is provided with the first screw thread 41 matched with the second screw thread 51 inside slurry 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.
The first screw thread 41 on described threaded portion 4 protrudes, accordingly, second screw thread of slurry tank 5 tank mouth is the depression screw thread matched with the first screw thread 41, when visiting post and stretching in the mud to be measured in slurry tank 5, slurry tank 5 can be made to follow visit post taken away from desktop by threaded together.
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 spy outer surface of column and is rounded, electromotive force in the mud of energising is uniformly distributed.
In the present embodiment, the internal diameter of slurry 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 visiting post and inserting in mud to be measured, temperature sensor 6 to be positioned in the middle part of mud and fully to contact with mud.
Particularly, described threaded portion 4 and the spacing visiting post lower end are less than the degree of depth of slurry tank 5, preferably, visit post lower surface and are circumferentially provided with rounding 2, insert to reduce visiting post the resistance be subject in sludge process.
Mud resistivity of the present utility model is measured spy rod structure and is lightly easy to carry, can with the handset with USB interface with the use of, measure mud resistivity precision high, coordinate slurry 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 (7)
1. a mud resistivity is measured and is visited post, it is characterized in that, comprise the connector portions (3) be located at and visited capital end, be located at the electrode section (1) visited the epimere threaded portion of outwardly a week (4) in post and be located at below, threaded portion (4), described connector portions (3) is provided with USB joint (31), described threaded portion (4) is provided with the first screw thread (41) matched with the second screw thread (51) inside slurry 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. mud resistivity as claimed in claim 1 is measured and is visited post, 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 spy outer surface of column and is rounded.
3. mud resistivity as claimed in claim 2 is measured and is visited post, it 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. mud resistivity as claimed in claim 2 is measured and is visited post, 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.
5. mud resistivity as claimed in claim 1 is measured and is visited post, and it is characterized in that, the cross section circular diameter of described electrode section (1) is no more than 1/3rd of slurry tank (5) internal diameter.
6. mud resistivity as claimed in claim 4 is measured and is visited post, it is characterized in that, described threaded portion (4) are less than the degree of depth of slurry tank (5) with the spacing visiting post lower end, visits post lower surface and is circumferentially provided with rounding (2).
7. measure as the mud resistivity in claim 1-6 as described in any one and visit post, it is characterized in that, the inside diameter ranges of described slurry tank (5) is 15-30mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420664829.7U CN204302397U (en) | 2014-11-07 | 2014-11-07 | A kind of mud resistivity is measured and is visited post |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420664829.7U CN204302397U (en) | 2014-11-07 | 2014-11-07 | A kind of mud resistivity is measured and is visited post |
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| CN204302397U true CN204302397U (en) | 2015-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420664829.7U Expired - Fee Related CN204302397U (en) | 2014-11-07 | 2014-11-07 | A kind of mud resistivity is measured and is visited post |
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| CN (1) | CN204302397U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104502727A (en) * | 2014-11-07 | 2015-04-08 | 贝兹维仪器(苏州)有限公司 | Slurry resistivity measurement probe |
-
2014
- 2014-11-07 CN CN201420664829.7U patent/CN204302397U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104502727A (en) * | 2014-11-07 | 2015-04-08 | 贝兹维仪器(苏州)有限公司 | Slurry resistivity measurement probe |
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| Date | Code | Title | Description |
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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 |
Granted publication date: 20150429 Termination date: 20201107 |
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| CF01 | Termination of patent right due to non-payment of annual fee |