CN214403559U - Well temperature logging instrument - Google Patents
Well temperature logging instrument Download PDFInfo
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- CN214403559U CN214403559U CN202122009421.9U CN202122009421U CN214403559U CN 214403559 U CN214403559 U CN 214403559U CN 202122009421 U CN202122009421 U CN 202122009421U CN 214403559 U CN214403559 U CN 214403559U
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Abstract
The utility model provides a well temperature logging instrument belongs to well temperature logging technical field, and this well temperature logging instrument includes detecting tube and measuring component. Wherein, the inside of detecting tube has the installation cavity, the slip mouth is seted up along length direction to the lateral wall of detecting tube, the upper end of detecting tube has connecting portion, measuring component includes first temperature-sensing ware, the second temperature-sensing ware, the installation pole, control chip and display screen, first temperature-sensing ware fixed mounting is on the installation pole, second temperature-sensing ware slidable mounting is on the installation pole, control chip and first temperature-sensing ware, the equal electric connection of second temperature-sensing ware and display screen, through the setting of this structure, make the distance between first temperature-sensing ware and the second temperature-sensing ware can adjust, just can realize the survey of different interval differential well temperatures on the same instrument.
Description
Technical Field
The utility model relates to a well temperature logging technical field particularly, relates to a well temperature logging instrument.
Background
The well temperature logging is also called thermal logging, can measure the earth temperature gradient, and can search a well section for producing liquid in a liquid production well; searching an injected well section in an injection well, and detecting the steam injection effect of the thermal power oil recovery well through the well temperature measurement of an adjacent well; the effect of fracture acidizing construction and the like can be evaluated.
The logging method is used for researching geological structures and rock stratum properties, searching useful mineral products and checking the technical condition of the drilling according to the rule that the temperature in the drilling changes along with the depth. Thermal logging can be divided into natural thermal field methods and artificial thermal field methods according to different heat sources. The method comprises the steps of studying ground temperature gradient, searching a natural gas layer by using the heat absorption effect of gas expansion when the natural gas layer is drilled through, searching a hot water layer by using the temperature abnormity of the hot water layer, checking the well cementation quality of petroleum drilling holes according to the heat dissipation effect during cement cementation, determining the position of a water leakage layer and the like, wherein an instrument for measuring the well temperature is called a well temperature logging instrument.
At present, most of well temperature logging instruments cannot detect different interval differential well temperatures on the same instrument, and are inconvenient to use.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a well temperature logging instrument aims at solving the problem that can't survey the different interval discrepancy well temperature on the same instrument.
An embodiment of the utility model provides a well temperature logging instrument, including detecting tube and measuring component. Wherein, the inside of detecting tube has the installation cavity, and the lateral wall of detecting tube is seted up the slip mouth along length direction, and the upper end of detecting tube has connecting portion, and measuring subassembly includes first temperature-sensing ware, second temperature-sensing ware, installation pole, control chip and display screen.
The inner part of the probe tube is provided with an installation cavity, the side wall of the probe tube is provided with a sliding opening along the length direction, and the upper end of the probe tube is provided with a connecting part.
The measuring component comprises a first temperature sensor, a second temperature sensor, an installation rod, a control chip and a display screen, the installation rod is arranged in an installation cavity, the first temperature sensor is fixedly installed on the installation rod, the sensing end of the first temperature sensor is exposed on the outer wall of the detection tube, a sliding block is arranged at the bottom of the second temperature sensor, a sliding groove is formed in the installation rod along the length direction, the sliding block can be arranged in the sliding groove in a sliding mode, the sensing end of the second temperature sensor is exposed in a sliding opening, the control chip and the first temperature sensor are connected with the second temperature sensor and the display screen in an equal electric mode, and the display screen is arranged on the outer wall of the detection tube.
In this embodiment, first temperature-sensing ware fixed mounting is on the installation pole, and second temperature-sensing ware slidable mounting is on the installation pole, and control chip and the equal electric connection of first temperature-sensing ware, second temperature-sensing ware and display screen make the distance between first temperature-sensing ware and the second temperature-sensing ware can be adjusted through the setting of this structure, just can realize the survey of different interval slightly poor well temperatures on the same instrument.
The utility model discloses an in one embodiment, connecting portion include connecting rod and screw thread end, and the one end of connecting rod sets up in the upper end of detecting tube, and the other end of connecting rod sets up the screw thread end.
In this embodiment, set up connecting portion to including connecting rod and threaded end, the one end of connecting rod sets up in the upper end of exploring tube, and the other end of connecting rod sets up the threaded end, just can be through tie on the position of connecting rod and establish the rope, or means such as connecting the telescopic link at the threaded end, realizes that the certain degree of depth that the well temperature logging instrument was lowered into the well surveys to adapt to the different detection implementation means.
The utility model discloses an in the embodiment, the cross sectional dimension of connecting rod is less than the cross sectional dimension of screw thread end.
In this embodiment, the cross-sectional dimension of the connecting rod is set to be smaller than the cross-sectional dimension of the threaded end, so that the rope fastened on the connecting rod is not easily separated from the probe tube when being pulled upwards.
The utility model discloses an in an embodiment, the protrusion of second temperature-sensing ware sets up in the slip mouth.
In this embodiment, set up the second temperature-sensing ware protrusion in the slip mouth, can make when the operator hand promotes, the slip of second temperature-sensing ware on the installation pole is easier, that is to say that the distance between second temperature-sensing ware and the first temperature-sensing ware is convenient for adjust more.
The utility model discloses an in the embodiment, anti-skidding line has been seted up to the surface of second temperature-sensing ware.
In this embodiment, set up anti-skidding line with the surface of second temperature-sensing ware, can increase the outside frictional force of hand and second temperature-sensing ware, play the effect that the distance was changeed and is adjusted between second temperature-sensing ware and the first temperature-sensing ware equally.
The utility model discloses an in an embodiment, second temperature-sensing ware is provided with the arc arch with the side of sliding opening contact, and the lateral wall correspondence of sliding opening has seted up the arc recess, and the arc recess can be located to the card to the arc arch.
In this embodiment, set up the arc arch with the side of second temperature-sensing ware and sliding opening contact, the arc recess has been seted up to the lateral wall correspondence of sliding opening, and the arc recess can be located to the arc arch card for the second temperature-sensing ware has relative fixed action in the slip of sliding opening, and the accuracy of surveying can not automatic change position by the second temperature-sensing ware, has been guaranteed.
The utility model discloses an in the implementation scheme, the display screen has the voice broadcast function.
In this embodiment, set up the display screen into the function that has voice broadcast, make the detection personnel just can know the detection condition of certain degree of depth in the pit through sound aboveground, then can directly carry out the detection of next predetermined degree of depth, need not to pull to the aboveground and read data again, improved detection efficiency.
In one embodiment of the present invention, the outer surface of the probe tube is provided with an insulating sleeve.
In this embodiment, set up insulating cover with the surface of detecting tube, can prevent the emergence of detecting tub outer wall electric leakage.
In an embodiment of the present invention, an electrode is further disposed in the mounting cavity.
In this embodiment, with set up the electrode in the installation cavity, can set up another electrode through the well head, the electrode difference of acquireing when surveying comes the rock characteristic of judging in the well.
In one embodiment of the present invention, the lower end of the probe tube is configured as an arc-shaped portion.
In this embodiment, set up the lower extreme of exploring tube into arc portion for it is easier that the tip of exploring tube gets into the well head.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a well temperature logging instrument according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional view of a well temperature logging instrument according to an embodiment of the present invention;
fig. 3 is an enlarged schematic view of a portion a of fig. 1.
Icon: 10-a well temperature logging instrument; 100-a probe tube; 110-a mounting cavity; 111-electrodes; 130-a sliding port; 131-an arc-shaped groove; 150-a connecting portion; 151-connecting rod; 153-a threaded end; 170-an insulating sleeve; 190-an arc; 300-a measurement component; 310-a first temperature sensor; 330-a second temperature sensor; 331-non-slip pattern; 333-arc bulge; 350-mounting a rod; 351-a chute; 370-a control chip; 390-display screen.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Examples
Referring to fig. 1, the present invention provides a well temperature logging instrument 10, which includes a probe tube 100 and a measuring assembly 300.
Referring to fig. 1 and 2, the probe tube 100 has an installation cavity 110 therein, a sliding opening 130 is formed on a side wall of the probe tube 100 along a length direction, and a connection portion 150 is further formed at an upper end of the probe tube 100.
In a specific embodiment, referring to fig. 1 and 2, the connection portion 150 includes a connection rod 151 and a threaded end 153, one end of the connection rod 151 is connected to the upper end of the probe tube 100, and the other end of the connection rod is connected to the threaded end 153, so that the well temperature measuring instrument 10 can be lowered into the well for a certain depth to perform detection by fastening a rope at the connection rod 151 or connecting a telescopic rod to the threaded end 153, so as to adapt to different detection implementation means, specifically, the connection rod 151 and the threaded end 153 can be sequentially welded to the upper end of the probe tube 100, so that the connection portion 150 and the probe tube 100 are more firmly connected.
In this embodiment, a specific implementation manner is that the cross-sectional dimension of the connecting rod 151 is smaller than that of the threaded end 153, so that the rope fastened to the connecting rod 151 is not easily separated from the probe tube 100 when being pulled upward.
In one embodiment, referring to FIG. 1, the lower end of the probe tube 100 is provided with an arcuate portion 190, which facilitates entry of the end of the probe tube 100 into the wellhead.
Referring to fig. 2, the measuring assembly 300 includes a first temperature sensor 310, a second temperature sensor 330, a mounting rod 350, a control chip 370 and a display screen 390, wherein the mounting rod 350 is installed in the mounting cavity 110, the first temperature sensor 310 is fixedly installed on the mounting rod 350, a sensing end of the first temperature sensor 310 is exposed to an outer wall of the detecting tube 100, meanwhile, a sliding block is disposed at a bottom of the second temperature sensor 330, a sliding groove 351 is formed in the mounting rod 350 along a length direction, the sliding block can be slidably disposed in the sliding groove 351, that is, the second temperature sensor 330 can slide along the length direction of the mounting rod 350 to adjust a distance between the second temperature sensor 330 and the first temperature sensor 310, so as to facilitate detection of well temperatures with different interval differentials.
In addition, the sensing end of the second temperature sensor 330 is exposed to the sliding opening 130, the control chip 370 is electrically connected to the first temperature sensor 310, the second temperature sensor 330 and the display screen 390, and the display screen 390 is embedded in the outer wall of the probe tube 100, so that it can be understood that the display screen 390 can display the differential well temperature of the downhole well temperature logging instrument 10.
In a specific embodiment, the display screen 390 can be set to have a voice broadcasting function, so that the detection personnel can know the detection condition of a certain depth underground through sound on the ground, then the detection of the next preset depth can be directly carried out, the data is not required to be read on the ground, and the detection efficiency is improved. In other embodiments, an extended display may be further provided, the display is used to display the differential well temperature value of the display screen 390, so that the detector can obtain the differential well temperature value on the well, and the display screen 390 may be used for temperature calibration, for example, performing temperature calibration in a laboratory to determine whether the differential well temperature at different depths is accurate.
In a specific embodiment, the second temperature sensor 330 is protruded at the sliding opening 130, so that the sliding of the second temperature sensor 330 on the mounting rod 350 is easier when the operator pushes with his hand, i.e. the distance between the second temperature sensor 330 and the first temperature sensor 310 is easier to adjust.
In another specific embodiment, referring to fig. 2, the anti-slip pattern 331 is disposed on the outer surface of the second temperature sensor 330, so that the friction between the hand and the outside of the second temperature sensor 330 can be increased, and the effect of easily adjusting the distance between the second temperature sensor 330 and the first temperature sensor 310 can be achieved.
In a specific embodiment, referring to fig. 3, an arc protrusion 333 is disposed on a side surface of the second temperature sensor 330 contacting the sliding opening 130, an arc groove 131 is correspondingly disposed on a side wall of the sliding opening 130, the arc protrusion 333 can be clamped in the arc groove 131, so that the sliding of the second temperature sensor 330 in the sliding opening 130 has a relative fixing function, the second temperature sensor 330 does not change position automatically, and the detection accuracy is ensured.
Referring to fig. 1, in an embodiment, an insulating sleeve 170 is adhered to an outer surface of the probe tube 100, so that leakage of electricity from an outer wall of the probe tube 100 can be prevented.
Referring to fig. 2, in a specific embodiment, an electrode 111 is further disposed in the installation cavity 110, so that another electrode 111 can be disposed through a wellhead, and during detection, the difference between the electrodes 111 of the two electrodes 111 is obtained, so as to determine the rock characteristics in the well.
The utility model provides a well temperature logging instrument 10, the concrete operation mode is, first, according to the specific spaced differential well temperature that needs were surveyed, the surface of second temperature-sensing ware 330 is promoted with the hand, make the slider on second temperature-sensing ware 330 slide in the spout 351 of installation pole 350, that is to say second temperature-sensing ware 330 moves along the length direction of sliding opening 130, do the motion of being close to or keeping away from for first temperature-sensing ware 310, so as to adjust the spacing distance between first temperature-sensing ware 310 and second temperature-sensing ware 330, tie up the rope in the position of connecting rod 151 again, or connect the telescopic link at threaded end 153, make the upper end extension of detecting tube 100, be convenient for stretching into the well, finally, open well temperature logging instrument 10, hold the upper end of rope or telescopic link, put well temperature logging instrument 10 into a certain degree of depth, the detection is accomplished, display screen 390 can show the difference in temperature data, meanwhile, voice broadcasting is carried out, so that the detection personnel can master data in time.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A well temperature logging instrument is characterized by comprising
The device comprises a detection tube, a sliding sleeve and a connecting piece, wherein an installation cavity is arranged in the detection tube, a sliding opening is formed in the side wall of the detection tube along the length direction, and the upper end of the detection tube is provided with the connecting piece;
measuring component, measuring component includes first temperature-sensing ware, second temperature-sensing ware, installation pole, control chip and display screen, the installation pole set up in the installation intracavity, first temperature-sensing ware fixed mounting in on the installation pole, the response end of first temperature-sensing ware exposes in the outer wall of detecting tube, second temperature-sensing ware bottom has the slider, the spout is seted up on the length direction along the installation pole, the slider can slide set up in the spout, the response end of second temperature-sensing ware exposes in the slip mouth, control chip with first temperature-sensing ware the second temperature-sensing ware and the equal electric connection of display screen, the display screen set up in the outer wall of detecting tube.
2. The borehole logging tool of claim 1, wherein the connection portion comprises a connecting rod and a threaded end, one end of the connecting rod being disposed at an upper end of the probe tube and the other end of the connecting rod being disposed at the threaded end.
3. The borehole logging tool of claim 2, wherein the connecting rod has a cross-sectional dimension that is less than a cross-sectional dimension of the threaded end.
4. The borehole logging tool of claim 1, wherein the second temperature sensor protrusion is disposed at the sliding port.
5. The well temperature logging instrument of claim 1, wherein the outer surface of the second temperature sensor is provided with anti-slip threads.
6. The well temperature logging instrument according to claim 1, wherein an arc-shaped protrusion is disposed on a side surface of the second temperature sensor contacting the sliding port, an arc-shaped groove is correspondingly disposed on a side wall of the sliding port, and the arc-shaped protrusion can be clamped in the arc-shaped groove.
7. The borehole temperature logging instrument of claim 1, wherein the display screen has a voice broadcast function.
8. The borehole logging tool of claim 1, wherein an outer surface of the probe tube is provided with an insulating sleeve.
9. The borehole logging tool of claim 1, wherein an electrode is further disposed within the mounting cavity.
10. The borehole logging tool of claim 1, wherein the lower end of the probe tube is configured as an arcuate portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122009421.9U CN214403559U (en) | 2021-08-25 | 2021-08-25 | Well temperature logging instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122009421.9U CN214403559U (en) | 2021-08-25 | 2021-08-25 | Well temperature logging instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214403559U true CN214403559U (en) | 2021-10-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122009421.9U Active CN214403559U (en) | 2021-08-25 | 2021-08-25 | Well temperature logging instrument |
Country Status (1)
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| CN (1) | CN214403559U (en) |
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2021
- 2021-08-25 CN CN202122009421.9U patent/CN214403559U/en active Active
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