CN104502722A - Long-strip board-shaped slurry resistivity measuring probe - Google Patents
Long-strip board-shaped slurry resistivity measuring probe Download PDFInfo
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- CN104502722A CN104502722A CN201410625873.1A CN201410625873A CN104502722A CN 104502722 A CN104502722 A CN 104502722A CN 201410625873 A CN201410625873 A CN 201410625873A CN 104502722 A CN104502722 A CN 104502722A
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Abstract
The invention relates to the petroleum exploration and logging field and discloses a long-strip board-shaped slurry resistivity measuring probe. The long-strip board-shaped slurry resistivity measuring probe comprises a connector portion arranged at a top end of a probe, a fixing portion which is arranged at the middle upper segment of the probe and used for fixing a slurry tank, and an electrode portion arranged at the lower portion of the fixing portion, wherein the connector portion is provided with a USB connector, the electrode portion is provided with a current electrode and a voltage electrode respectively used for measuring current and voltage of slurry, and the current electrode and the voltage electrode are respectively connected with different pins on the USB connector through leads. The long-strip board-shaped slurry resistivity measuring probe has a smart structure, requires no AC power supply, is convenient to carry and further has properties of simple manufacturing process and low cost.
Description
Technical field
The present invention relates to petroleum exploration and well logging field, particularly relate to a kind of mud resistivity measuring sonde of long strip-board shape.
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, mud resistivity measurement mechanism that measuring accuracy is high, seem and be even more important.
Summary of the invention
For overcoming the deficiencies in the prior art, the present invention seeks to: the mud resistivity measuring sonde providing a kind of long strip-board shape, compact structure of the present invention, easy and simple to handle, measuring accuracy is high.
In order to solve the technical matters in background technology, the invention provides a kind of mud resistivity measuring sonde of long strip-board shape, comprise be located at probe tip connector portions, be located at epimere in probe for fix with mud tank fixed part, be located at electrode section below fixed part, described connector portions is provided with USB joint, described electrode section is provided with the galvanic electrode for obtaining mud electric current and measures the voltage electrode of mud voltage, and described galvanic electrode is connected respectively by the pin that wire is different from described USB joint with voltage electrode.
Preferably, the width of described fixed part becomes large compared with the width above it, the both sides of fixed part are provided with clamping limb, form the clamping gap for clamping mud tank tank mouth between the lower end of described clamping limb and described fixed part, and the width of bottom, described clamping gap is not less than the width on clamping top, gap.
Particularly, described galvanic electrode comprises the first galvanic electrode and second galvanic electrode of sheet, voltage electrode comprises the first voltage electrode and second voltage electrode of sheet, 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 size of any two electrodes is identical, and any one electrode is attached at the probe pros and cons of sustained height through also decile of popping one's head in.
Alternatively, described galvanic electrode comprises the first galvanic electrode and second galvanic electrode of sheet, voltage electrode comprises the first voltage electrode and second voltage electrode of sheet, 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 size of any two electrodes is identical, and any one electrode decile is attached at the probe pros and cons of sustained height and is provided with the hole of the electrode slice running through sustained height on pros and cons.
Preferably, the spacing range between described first voltage electrode and the second voltage electrode is 2.5-4 times of electrode horizontal length.
Preferably, the lower end of described electrode section is near the lower end being arranged at probe, and the width of electrode section lower end becomes large compared with the width on top, and probe lower surface is provided with rounding.
Preferably, the horizontal length of any one electrode is 0.7-0.9 times of mud 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 fixed part is less than the degree of depth of mud tank with the spacing of probe lower end, the width on top, described clamping gap is not more than the tank wall thickness of mud tank, the width of bottom, described clamping gap is not less than the tank wall thickness of mud tank, and the horizontal range between two clamping limb lower ends equals the tank mouth external diameter of mud tank.
Preferably, the inside diameter ranges of described mud tank is 15-30mm.
Principle of the present invention 1. supplies certain electric current to mud, to make in mud diverse location produce potential difference (PD), can computation of mud resistance value according to the voltage and current signal gathered, then according to the electrode size in the size of mud tank and probe, according to formula
can computation of mud resistivity; 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, 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 measuring sonde is provided with the clamping limb for clamp 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, the present invention 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. 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 at demarcation temperature; 4. pop one's head in the clamping limb that is provided with for clamp mud tank, 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 causing electrode polarization because of Reusability or not washing clean clearly and affect measuring accuracy.In sum, the mud resistivity measuring sonde light structure of long strip-board shape of the present invention, make simple, easy to operate, measuring accuracy is high.
Accompanying drawing explanation
In order to be illustrated more clearly in technical scheme of the present invention, 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 some embodiments of the present invention, 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 mud resistivity measuring sonde of the long strip-board shape that the embodiment of the present invention provides;
Fig. 2 is the stereographic map of the mud resistivity measuring sonde of the long strip-board shape that the embodiment of the present invention provides;
Fig. 3 be the embodiment of the present invention provide with the mud resistivity measuring sonde of long strip-board shape with the use of the structural representation of mud tank;
Fig. 4 is the mud resistivity measuring sonde of the long strip-board shape that the embodiment of the present invention provides 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-fixed part, 41-clamping limb, 42-clamps gap, 5-mud tank, 6-temperature sensor.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, 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 protection of the invention.
The structural representation of the mud resistivity measuring sonde of the long strip-board shape that embodiment 1: Fig. 1 provides for the embodiment of the present invention, can be clear that in figure that the mud resistivity measuring sonde of described long strip-board shape comprises the connector portions 3 being located at probe tip, be located at epimere in probe for the fixed part 4 fixing with mud tank 5, be located at the electrode section 1 below fixed part 4, described connector portions 3 is provided with USB joint 31, described electrode section 1 is provided with the galvanic electrode for obtaining mud electric current and measures the voltage electrode of mud voltage, described galvanic electrode is connected respectively by the pin that wire is different from described USB joint 31 with voltage electrode.
Preferably, the width of described fixed part 4 becomes large compared with the width above it, the both sides of fixed part 4 are provided with clamping limb 41, the clamping gap 42 for clamping mud tank 5 tank mouth is formed between the lower end of described clamping limb 41 and described fixed part 4, the width of bottom, described clamping gap is not less than the width on clamping top, gap 42, when stretching into when popping one's head in the mud to be measured in mud tank, described clamping limb is clamped the tank skin of mud tank and mud tank can be made to follow probe taken away from desktop.
Particularly, described galvanic electrode comprises the first galvanic electrode 11 and the second galvanic electrode 14 of sheet, voltage electrode comprises the first voltage electrode 12 and the second voltage electrode 13 of sheet, four electrodes are parallel to each other, 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, be provided with a certain distance between described first voltage electrode 12 and the second voltage electrode 13 to influence each other to prevent the electric field between two electrodes, the size of any two electrodes is identical, any one electrode is attached at the probe pros and cons of sustained height through also decile of popping one's head in, 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 horizontal length of four electrodes is preferably 16mm, spacing between described first voltage electrode 12 and the second voltage electrode 13 is preferably 40mm, 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.
Preferably, the lower end of described electrode section 1 is near the lower end being arranged at probe, the width of electrode section 1 lower end becomes large compared with the width on top, the width of probe lower end is greater than the width of electrode, probe reduces the impulsive force of mud to electrode when inserting mud, avoid front and back in mud tank 5, probe lower end to rock simultaneously, probe lower surface is provided with rounding 2, when inserting in mud to be measured when popping one's head in, the width of electrode section 1 lower end is greater than the length of electrode, the resistance that when rounding 2 can reduce to insert in mud, probe is subject to, the electrode of mud to electrode section 1 lower end is during insertion avoided to cause damage.
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 fixed part 4 is less than the degree of depth of mud tank 5 with the spacing of probe lower end, the width on top, described clamping gap 42 is not more than the tank wall thickness of mud tank 5, the width of bottom, described clamping gap 42 is not less than the tank wall thickness of mud tank 5, and the horizontal range between two clamping limb 41 lower ends equals the tank mouth external diameter of mud tank 5.
The structural representation of the mud resistivity measuring sonde of the long strip-board shape that embodiment 2: Fig. 1 provides for the embodiment of the present invention, can be clear that in figure that the mud resistivity measuring sonde of described long strip-board shape comprises the connector portions 3 being located at probe tip, be located at epimere in probe for the fixed part 4 fixing with mud tank 5, be located at the electrode section 1 below fixed part 4, described connector portions 3 is provided with USB joint 31, described electrode section 1 is provided with the galvanic electrode for obtaining mud electric current and measures the voltage electrode of mud voltage, described galvanic electrode is connected respectively by the pin that wire is different from described USB joint 31 with voltage electrode.
Preferably, the width of described fixed part 4 becomes large compared with the width above it, the both sides of fixed part 4 are provided with clamping limb 41, the clamping gap 42 for clamping mud tank 5 tank mouth is formed between the lower end of described clamping limb 41 and described fixed part 4, the width of bottom, described clamping gap is not less than the width on clamping top, gap 42, when stretching into when popping one's head in the mud to be measured in mud tank, described clamping limb is clamped the tank skin of mud tank and mud tank can be made to follow probe taken away from desktop.
Particularly, described galvanic electrode comprises the first galvanic electrode 11 and the second galvanic electrode 14 of sheet, voltage electrode comprises the first voltage electrode 12 and the second voltage electrode 13 of sheet, four electrodes are parallel to each other, 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, be provided with a certain distance between described first voltage electrode 12 and the second voltage electrode 13 to influence each other to prevent the electric field between two electrodes, the size of any two electrodes is identical, any one electrode decile is attached at the probe pros and cons of sustained height, and the electrode slice run through on the probe pros and cons of sustained height that punches on probe, 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 horizontal length of four electrodes is preferably 22mm, spacing between described first voltage electrode 12 and the second voltage electrode 13 is preferably 55mm, spacing between described first galvanic electrode 11 and the first voltage electrode 12 is preferably 15mm, and the spacing between described second voltage electrode 13 and the second galvanic electrode 14 is preferably 15mm.
Preferably, the lower end of described electrode section 1 is near the lower end being arranged at probe, the width of electrode section 1 lower end becomes large compared with the width on top, the width of probe lower end is greater than the width of electrode, probe reduces the impulsive force of mud to electrode when inserting mud, avoid front and back in mud tank 5, probe lower end to rock simultaneously, probe lower surface is provided with rounding 2, when inserting in mud to be measured when popping one's head in, the width of electrode section 1 lower end is greater than the length of electrode, the resistance that when rounding 2 can reduce to insert in mud, probe is subject to, the electrode of mud to electrode section 1 lower end is during insertion avoided to cause damage.
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 fixed part 4 is less than the degree of depth of mud tank 5 with the spacing of probe lower end, the width on top, described clamping gap 42 is not more than the tank wall thickness of mud tank 5, the width of bottom, described clamping gap 42 is not less than the tank wall thickness of mud tank 5, and the horizontal range between two clamping limb 41 lower ends equals the tank mouth external diameter of mud tank 5.
The structural representation of the mud resistivity measuring sonde of the long strip-board shape that embodiment 3: Fig. 1 provides for the embodiment of the present invention, can be clear that in figure that the mud resistivity measuring sonde of described long strip-board shape comprises the connector portions 3 being located at probe tip, be located at epimere in probe for the fixed part 4 fixing with mud tank 5, be located at the electrode section 1 below fixed part 4, described connector portions 3 is provided with USB joint 31, described electrode section 1 is provided with the galvanic electrode for obtaining mud electric current and measures the voltage electrode of mud voltage, described galvanic electrode is connected respectively by the pin that wire is different from described USB joint 31 with voltage electrode.
Preferably, the width of described fixed part 4 becomes large compared with the width above it, the both sides of fixed part 4 are provided with clamping limb 41, the clamping gap 42 for clamping mud tank 5 tank mouth is formed between the lower end of described clamping limb 41 and described fixed part 4, the width of bottom, described clamping gap is not less than the width on clamping top, gap 42, when stretching into when popping one's head in the mud to be measured in mud tank, described clamping limb is clamped the tank skin of mud tank and mud tank can be made to follow probe taken away from desktop.
Particularly, described galvanic electrode comprises the first galvanic electrode 11 and the second galvanic electrode 14 of sheet, voltage electrode comprises the first voltage electrode 12 and the second voltage electrode 13 of sheet, four electrodes are parallel to each other, 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, be provided with a certain distance between described first voltage electrode 12 and the second voltage electrode 13 to influence each other to prevent the electric field between two electrodes, the size of any two electrodes is identical, any one electrode decile is attached at the probe pros and cons of sustained height, and the electrode slice run through on the probe pros and cons of sustained height that punches on probe, 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 horizontal length of four electrodes is preferably 12mm, spacing between described first voltage electrode 12 and the second voltage electrode 13 is preferably 36mm, 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.
Preferably, the lower end of described electrode section 1 is near the lower end being arranged at probe, the width of electrode section 1 lower end becomes large compared with the width on top, the width of probe lower end is greater than the width of electrode, probe reduces the impulsive force of mud to electrode when inserting mud, avoid front and back in mud tank 5, probe lower end to rock simultaneously, probe lower surface is provided with rounding 2, when inserting in mud to be measured when popping one's head in, the width of electrode section 1 lower end is greater than the length of electrode, the resistance that when rounding 2 can reduce to insert in mud, probe is subject to, the electrode of mud to electrode section 1 lower end is during insertion avoided to cause damage.
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 fixed part 4 is less than the degree of depth of mud tank 5 with the spacing of probe lower end, the width on top, described clamping gap 42 is not more than the tank wall thickness of mud tank 5, the width of bottom, described clamping gap 42 is not less than the tank wall thickness of mud tank 5, and the horizontal range between two clamping limb 41 lower ends equals the tank mouth external diameter of mud tank 5.
The mud resistivity measuring sonde light structure of long strip-board shape of the present invention is 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 invention, certainly can not limit the interest field of the present invention with this, therefore according to the equivalent variations that the claims in the present invention are done, still belong to the scope that the present invention is contained.
Claims (10)
1. the mud resistivity measuring sonde of a long strip-board shape, it is characterized in that, comprise the connector portions (3) being located at probe tip, be located at epimere in probe for the fixed part (4) fixing with mud tank (5) and the electrode section (1) being located at fixed part (4) below, described connector portions (3) is provided with USB joint (31), described electrode section (1) is provided with the galvanic electrode for obtaining mud electric current and measures the voltage electrode of mud voltage, described galvanic electrode is connected respectively by the upper different pin of wire and described USB joint (31) with voltage electrode.
2. the mud resistivity measuring sonde of long strip-board shape as claimed in claim 1, it is characterized in that, the width of described fixed part (4) becomes large compared with the width above it, the both sides of fixed part (4) are provided with clamping limb (41), form the clamping gap (42) for clamping mud tank (5) tank mouth between the lower end of described clamping limb (41) and described fixed part (4), the width of bottom, described clamping gap is not less than the width on clamping gap (42) top.
3. the mud resistivity measuring sonde of long strip-board shape 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 sheet, voltage electrode comprises the first voltage electrode (12) and second voltage electrode (13) of sheet, 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 size of any two electrodes is identical, any one electrode is attached at the probe pros and cons of sustained height through also decile of popping one's head in.
4. the mud resistivity measuring sonde of long strip-board shape as claimed in claim 2, it is characterized in that, described galvanic electrode comprises the first galvanic electrode (11) and second galvanic electrode (14) of sheet, voltage electrode comprises the first voltage electrode (12) and second voltage electrode (13) of sheet, 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 size of any two electrodes is identical, any one electrode decile is attached at the probe pros and cons of sustained height and is provided with the hole of the electrode slice running through sustained height on pros and cons.
5. the mud resistivity measuring sonde of the long strip-board shape as described in claim 3 or 4, is characterized in that, the spacing range between described first voltage electrode (12) and the second voltage electrode (13) is 2.5-4 times of electrode horizontal length.
6. the mud resistivity measuring sonde of the long strip-board shape as described in claim 3 or 4, 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.
7. the mud resistivity measuring sonde of long strip-board shape as claimed in claim 6, is characterized in that, the horizontal length of any one electrode is 0.7-0.9 times of mud tank (5) internal diameter.
8. the mud resistivity measuring sonde of long strip-board shape as claimed in claim 5, it is characterized in that, the lower end of described electrode section (1) is near the lower end being arranged at probe, the width of electrode section (1) lower end becomes large compared with the width on top, and probe lower surface is provided with rounding (2).
9. as the mud resistivity measuring sonde of the long strip-board shape in claim 1-4 as described in any one, it is characterized in that, described fixed part (4) is less than the degree of depth of mud tank (5) with the spacing of probe lower end, the width on described clamping gap (42) top is not more than the tank wall thickness of mud tank (5), the width of described clamping gap (42) bottom is not less than the tank wall thickness of mud tank (5), and the horizontal range between two clamping limb (41) lower ends equals the tank mouth external diameter of mud tank (5).
10. as the mud resistivity measuring sonde of the long strip-board shape in claim 6 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)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410625873.1A CN104502722A (en) | 2014-11-07 | 2014-11-07 | Long-strip board-shaped slurry resistivity measuring probe |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410625873.1A CN104502722A (en) | 2014-11-07 | 2014-11-07 | Long-strip board-shaped slurry resistivity measuring probe |
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| CN104502722A true CN104502722A (en) | 2015-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410625873.1A Pending CN104502722A (en) | 2014-11-07 | 2014-11-07 | Long-strip board-shaped slurry resistivity measuring probe |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5574371A (en) * | 1994-10-27 | 1996-11-12 | Schlumberger Technology Corporation | Method and apparatus for measuring mud resistivity in a wellbore including a probe having a bottom electrode for propagating a current from and to the bottom electrode in a direction approximately parallel to a longitudinal axis of the probe |
| US6046593A (en) * | 1995-10-20 | 2000-04-04 | Schlumberger Technology Corporation | Method/apparatus for measuring mud resistivity using a focused-electrode system |
| CN102279316A (en) * | 2011-06-09 | 2011-12-14 | 青岛石大石仪科技有限责任公司 | Sensor for measuring resistivity of natural gas hydrate in porous medium |
| CN202305672U (en) * | 2011-10-26 | 2012-07-04 | 中国石油集团西部钻探工程有限公司 | Slurry resistivity measuring device |
| CN202837403U (en) * | 2012-11-12 | 2013-03-27 | 中国石油天然气集团公司 | Portable tester for mud resistivity |
| CN204347140U (en) * | 2014-11-07 | 2015-05-20 | 贝兹维仪器(苏州)有限公司 | A kind of mud resistivity measuring sonde of long strip-board shape |
-
2014
- 2014-11-07 CN CN201410625873.1A patent/CN104502722A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5574371A (en) * | 1994-10-27 | 1996-11-12 | Schlumberger Technology Corporation | Method and apparatus for measuring mud resistivity in a wellbore including a probe having a bottom electrode for propagating a current from and to the bottom electrode in a direction approximately parallel to a longitudinal axis of the probe |
| US6046593A (en) * | 1995-10-20 | 2000-04-04 | Schlumberger Technology Corporation | Method/apparatus for measuring mud resistivity using a focused-electrode system |
| CN102279316A (en) * | 2011-06-09 | 2011-12-14 | 青岛石大石仪科技有限责任公司 | Sensor for measuring resistivity of natural gas hydrate in porous medium |
| CN202305672U (en) * | 2011-10-26 | 2012-07-04 | 中国石油集团西部钻探工程有限公司 | Slurry resistivity measuring device |
| CN202837403U (en) * | 2012-11-12 | 2013-03-27 | 中国石油天然气集团公司 | Portable tester for mud resistivity |
| CN204347140U (en) * | 2014-11-07 | 2015-05-20 | 贝兹维仪器(苏州)有限公司 | A kind of mud resistivity measuring sonde of long strip-board shape |
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Application publication date: 20150408 |