CN116537725B - Logging exploratory tube well-descending device - Google Patents
Logging exploratory tube well-descending device Download PDFInfo
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- CN116537725B CN116537725B CN202310819599.0A CN202310819599A CN116537725B CN 116537725 B CN116537725 B CN 116537725B CN 202310819599 A CN202310819599 A CN 202310819599A CN 116537725 B CN116537725 B CN 116537725B
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- 239000000523 sample Substances 0.000 claims abstract description 65
- 238000004804 winding Methods 0.000 claims description 19
- 238000001514 detection method Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 4
- 230000000670 limiting effect Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000002829 reductive effect Effects 0.000 description 4
- 230000008054 signal transmission Effects 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
- E21B23/14—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for displacing a cable or a cable-operated tool, e.g. for logging or perforating operations in deviated wells
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- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The invention discloses a logging exploratory tube well logging device, which comprises a logging exploratory tube well logging support and a logging exploratory tube well logging support; an annular slide hole surrounds the axis of the through hole; an annular plate is slidably arranged in the annular sliding hole, and a transverse adjusting gap is formed between the annular plate and the annular sliding hole; a guide pipe vertically penetrates through the center of the annular plate, one end of the guide pipe is positioned at one side of the plate surface of the annular plate, the other end of the guide pipe is positioned at the other side of the plate surface of the annular plate, the wire harness clamping assembly used for preventing the wire harness connected with the logging probe from shaking is arranged at one end of the guide pipe outside the well, the centering assembly is arranged at one end of the guide pipe in the well and used for enabling the axis extension line of the guide pipe to coincide with the axis extension line in the well. The logging probe passes through the guide pipe, so that the logging probe is positioned on the central line in the well, and the accuracy of the measurement data of the logging probe is greatly improved.
Description
Technical Field
The invention relates to the technical field of logging and exploratory tube well logging, in particular to a logging and exploratory tube well logging device.
Background
A logging sonde is an instrument used to obtain downhole geological, engineering and physical information, including parameters such as cuttings, cores, gas, sonic velocity, density, resistivity, flow, temperature, pressure, etc. The history of the development of logging probes can be traced back to the beginning of the 20 th century, when people began to use simple electrodes and ammeters for resistivity measurements in order to understand the downhole situation. With the continuous progress of petroleum exploration and development technology, the types and functions of logging exploratory tubes are continuously increased and perfected, and various logging methods and technologies are formed.
The main functions of the logging probe pipe well-descending device are to protect the logging probe pipe from corrosion and impact of drilling fluid, slurry, oil gas and other substances, and to provide power and signal transmission for the logging probe pipe.
Currently, common logging sonde well logging devices include mechanical well logging devices, cable well logging devices, and wireless well logging devices. The mechanical well descending device mainly comprises a drill rod, a hanging ring, a connector and a protective sleeve, and is used for fixing a well logging probe on the drill rod and providing mechanical support and signal transmission through the drill rod. The cable type well logging device mainly comprises a cable, a hanging ring, a connector and a protective sleeve, and is used for connecting a well logging probe on the cable and providing power and signal transmission through the cable. The wireless well-down device mainly comprises a wireless transmitter, a hanging ring, a connector and a protective sleeve, and is used for connecting a well-logging probe on the wireless transmitter and providing power and signal transmission through wireless signals.
In order to ensure that the logging probe is positioned at the axial lead position in the well after the logging probe is in the well for the accuracy of data, the conventional logging probe well descending device is difficult to align the logging probe with the center in the well, so that the logging probe well descending device capable of enabling the logging probe to be aligned with the center line of the well conveniently is required to be manufactured, and the technical problems are solved.
Disclosure of Invention
The invention mainly aims to provide a logging and exploratory tube well logging device, which aims to solve the technical problem that in the prior art, the logging and exploratory tube well logging device is difficult to align the logging and exploratory tube with the axis of a well.
In order to achieve the above purpose, the logging probe well device provided by the invention comprises a logging probe well descending bracket for descending the logging probe well and a logging probe well centering component;
the well logging probe centering component comprises a bearing plate for covering a well mouth, a through hole is vertically formed in the bearing plate in a penetrating mode, an annular sliding hole is formed in the hole wall of the through hole in a transversely recessed mode, and the annular sliding hole surrounds the axis of the through hole; an annular plate is slidably arranged in the annular sliding hole, and a transverse adjusting gap is formed between the annular plate and the annular sliding hole; a guide pipe vertically penetrates through the center of the annular plate, one end of the guide pipe is positioned at one side of the plate surface of the annular plate, the other end of the guide pipe is positioned at the other side of the plate surface of the annular plate, the wire harness clamping assembly used for preventing the wire harness connected with the logging probe from shaking is arranged at one end of the guide pipe outside the well, the centering assembly is arranged at one end of the guide pipe in the well and used for enabling the axis extension line of the guide pipe to coincide with the axis extension line in the well.
Preferably, the subassembly placed in middle is including transversely encircling the many first electric telescopic handle that set up at stand pipe one end outer wall, every the flexible direction of first electric telescopic handle is mutually perpendicular with the extending direction of stand pipe, each be equipped with the butt plate on the output that the first electric telescopic handle deviates from stand pipe one side, be equipped with pressure sensor between butt plate and the first electric telescopic handle, many first electric telescopic handle is synchronous flexible, all first electric telescopic handle and all pressure sensor pass through the controller one-to-one and link to each other.
Preferably, the wire harness clamping assembly comprises two mounting plates symmetrically arranged on two sides of a pipe orifice at one end of the guide pipe, which deviate from the centering assembly, a second electric telescopic rod is transversely arranged on one side, deviating from the guide pipe, of the mounting plates, the telescopic direction of the second electric telescopic rod is perpendicular to the extending direction of the guide pipe, the telescopic direction of the second electric telescopic rod is on the same extension line, clamping plates used for clamping and connecting a logging probe wire harness are respectively connected to the output end of one end, close to the second electric telescopic rod, of the second electric telescopic rod, and the junction point of the adjacent sides of the clamping plates is on the axis of the guide pipe, and the second electric telescopic rod stretches synchronously.
Preferably, two the splint one side that is close to is equipped with many arc poles at intervals respectively, and many the distributing direction of arc pole is the same direction with the extending direction of stand pipe, and the arc board that is located between two splint is crooked towards the direction that deviates from each other, two the mutual cross fit of many arc poles on the splint.
Preferably, the logging probe lowering bracket comprises a base ring and an electric winding roll, a plurality of struts are arranged around the annular surface of one side of the base ring facing the ground, a rotating part is arranged on the annular surface of the other side of the base ring in a rotating mode, a sliding part which moves transversely is arranged on the rotating part, the position of the electric winding roll can be adjusted transversely by 360 degrees through the mutual matching between the rotating part and the sliding part, and the electric winding roll is used for winding a cable for connecting the logging probe.
Preferably, an annular groove is concavely formed on one side of the base ring, which is away from the support post, the rotating piece comprises a ring plate rotatably arranged in the annular groove, and the sliding piece is arranged on one side of the ring plate, which is away from the base ring.
Preferably, the sliding part comprises two sliding plates which are transversely symmetrically arranged on one side, deviating from the base ring, of the annular plate, two supporting rods are respectively arranged on the sliding plates in a sliding mode, the sliding direction of each supporting rod is perpendicular to the extending direction of each supporting column, the sliding directions of the two supporting rods are parallel, and the electric winding roll is arranged between the two supporting rods.
Preferably, the groove wall of the annular groove is surrounded with a limiting ring, the outer wall of the annular plate is sunken to form a chute matched with the limiting ring, and one side of the annular plate, which is close to the groove bottom of the annular groove, is embedded with a plurality of balls.
Preferably, the initial length and the telescopic length of each first electric telescopic rod are consistent, when the centering assembly is located in a well, the controller is used for controlling the plurality of first electric telescopic rods to synchronously extend, when the plurality of first electric telescopic rods simultaneously extend, the abutting plate closest to the well wall can firstly collide with the well wall, and as the first electric telescopic rods continuously extend, the guide pipe can be pushed to move towards one side of the well wall deviating from the abutting plate under the reaction force of the well wall until the controller detects that all the pressure sensors detect that the corresponding abutting plates collide with the well wall.
Preferably, the well logging device further comprises distance sensors symmetrically arranged on two sides of the outer wall of the well logging probe, the controller is respectively connected with the electric signals of the two distance sensors, and is used for judging whether the distances between the two sides of the well logging probe and the well wall are equal or not, and sending out a detection starting signal to control the well logging probe to start detection when the distances are equal
According to the technical scheme, when the logging probe is lowered, the bearing plate is covered at the wellhead of the well to be measured, the centering component is placed at one side of the bearing plate facing the wellhead in the process, so that the centering component is positioned in the well, the centering component can drive the guide pipe to move to enable the central extension line of the guide pipe to coincide with the central extension line in the well, further, in the process that the logging probe is lowered by the support to lower the logging probe, the logging probe passes through the guide pipe to enable the logging probe to be positioned on the central line in the well, and the wire harness of the logging probe is clamped through the wire harness clamping component after the logging probe is lowered in the measuring position, so that the shaking of the wire harness drives the logging probe in the well, and the accuracy of the measurement data of the logging probe is greatly improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of a lowering support structure of a logging sonde according to the present invention;
FIG. 3 is a schematic view of a well logging sonde drop stand of the present invention showing the explosive structure of a support column;
FIG. 4 is a schematic view showing the structure of two clamping plates and a plurality of arc rods crossing each other;
fig. 5 is a schematic cross-sectional view of the ring plate of the present invention in an annular groove.
Reference numerals illustrate:
1. a logging sonde centering component; 11. a guide tube; 12. a carrying plate; 12a, annular slide holes; 13. an annular plate; 14. a first electric telescopic rod; 15. a retaining plate; 16. a mounting plate; 17. a second electric telescopic rod; 18. a clamping plate; 19. an arc rod; 2. lowering a support by a logging exploratory tube; 21. a support post; 22. a base ring; 22a, annular groove; 23. a ring plate; 24. a slide plate; 25. a support rod; 26. an electric winding roll; 27. a limiting ring; 28. and (3) rolling balls.
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, the technical solutions of the embodiments of the present invention may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present invention.
The invention provides a logging exploratory tube well descending device.
Referring to fig. 1 to 5, the logging sonde well logging device includes a logging sonde well logging support 2 and a logging sonde centering component 1;
the logging probe centering component 1 comprises a bearing plate 12 for covering a wellhead, a through hole is vertically formed in the bearing plate 12 in a penetrating mode, an annular sliding hole 12a is formed in a transversely recessed mode on the hole wall of the through hole, and the annular sliding hole 12a surrounds the axis of the through hole; an annular plate 13 is arranged in the annular sliding hole 12a in a sliding manner, and a transverse adjusting gap is formed between the annular plate 13 and the annular sliding hole 12 a; the center of a circle department of annular plate 13 is vertical runs through and is equipped with stand pipe 11, stand pipe 11 one end is located the face one side of annular plate 13, and one end is located the face opposite side of annular plate 13 in addition, stand pipe 11 is located the outside one end of well and is equipped with the pencil clamping assembly that is used for preventing the pencil that connects the logging probe from rocking, stand pipe 11 is located the one end in the well and is equipped with the subassembly placed in the middle, the subassembly placed in the middle is used for driving stand pipe 11 lateral shifting and makes the axle center extension line of stand pipe 11 coincide with the axle center extension line in the well.
According to the technical scheme, when the logging probe is lowered, the bearing plate 12 is covered at the wellhead of the well to be measured, in the process, the centering component is placed on one side of the bearing plate 12 facing the wellhead, so that the centering component is positioned in the well, the centering component can drive the guide pipe 11 to move to enable the central extension line of the guide pipe 11 to coincide with the central extension line in the well, further, in the process that the logging probe is lowered by the support 2 to perform the well lowering operation on the logging probe, the logging probe passes through the guide pipe 11 to enable the logging probe to be positioned on the central line in the well, and the wire harness of the logging probe is clamped through the wire harness clamping component after the logging probe is lowered to prevent the wire harness from being affected by external force to cause the logging probe to shake in the well when the logging probe is used for measuring the well, and the accuracy of the logging probe measurement data is greatly improved.
Referring to fig. 1, the centering assembly includes a plurality of first electric telescopic rods 14 transversely encircling an outer wall of one end of the guide tube 11, wherein a telescopic direction of each first electric telescopic rod 14 is perpendicular to an extending direction of the guide tube 11, a retaining plate 15 is disposed at an output end of one side of each first electric telescopic rod 14, which is away from the guide tube 11, a pressure sensor is disposed between each retaining plate 15 and each first electric telescopic rod 14, the plurality of first electric telescopic rods 14 synchronously extend and retract, and all the first electric telescopic rods 14 and all the pressure sensors are connected in one-to-one correspondence through a controller. Since the extension length and speed of each first electric telescopic rod 14 are uniform, the guide tube 11 is moved to the lateral center of the well after all the abutment plates 15 are abutted against the well wall. The centering assembly can accommodate wells of different widths without the need to preset the telescoping length of the first motorized telescoping pole 14 in advance.
Referring to fig. 1 and 4, the wire harness clamping assembly includes two mounting plates 16 symmetrically disposed on two sides of a pipe opening at one end of the guide pipe 11, a second electric telescopic rod 17 is transversely disposed on one side of the mounting plate 16 facing away from the guide pipe 11, the telescopic direction of the second electric telescopic rod 17 is perpendicular to the extending direction of the guide pipe 11, the telescopic direction of the second electric telescopic rod 17 is on the same extension line, clamping plates 18 for clamping and connecting a logging probe wire harness are respectively connected to the output ends of one ends of the second electric telescopic rod 17, which are close to each other, and the junction point of one sides of the clamping plates 18 is on the axis of the guide pipe 11, and the second electric telescopic rod 17 stretches synchronously. The two second electric telescopic rods 17 respectively drive the two clamping plates 18 to be close to each other, so that the two clamping plates 18 clamp the wire harness of the logging probe, the wire harness coincides with the central line of the guide pipe 11, the wire harness further drives the logging probe to be close to the center in the well, and the clamping plates 18 clamp the wire harness of the pipe orifice of the guide pipe 11, so that the logging probe in the well can be prevented from being driven to shake due to shaking of the wire harness.
Referring to fig. 4, a plurality of arc rods 19 are respectively disposed at a side of the two clamping plates 18, which is close to each other, and the distribution direction of the plurality of arc rods 19 is the same as the extending direction of the guiding tube 11, and the arc plates between the two clamping plates 18 are bent towards the direction away from each other, and the plurality of arc rods 19 on the two clamping plates 18 are mutually crossed and matched. The arc rods 19 on the two symmetrical clamping plates 18 are mutually close to each other and bent, so that the arc rods 19 on the two clamping plates 18 are driven to be mutually close, meanwhile, the arc rods 19 on the two clamping plates 18 are mutually intersected, so that the adjacent side of the two sliding rods forms an accommodating space for accommodating a wire harness, as the arc rods 19 on the two clamping plates 18 are mutually close, the accommodating space is gradually reduced when the arc rods 19 on the two clamping plates 18 are mutually close, the wire harness can follow movement along with the reduction of the accommodating space, the reduced range of the accommodating space is reduced towards the center line close to the guide tube 11, and therefore, the wire harness can also move towards the center line close to the guide tube 11 when moving, so that the wire harness coincides with the center line of the guide tube 11 until the wire harness is clamped.
Referring to fig. 1-2, the logging probe lowering bracket 2 includes a base ring 22 and an electric winding roll 26, a plurality of struts 21 are disposed around the annular surface of one side of the base ring 22 facing the ground, a rotating member is disposed on the annular surface of the other side, a sliding member moving transversely is disposed on the rotating member, through the cooperation between the rotating member and the sliding member, the position of the electric winding roll 26 can be adjusted transversely by 360 degrees, and the electric winding roll 26 is used for winding a cable connected with the logging probe. The electric winding roll 26 can tighten or loosen the wire harness to lift the logging probe, and through the mutual cooperation between the sliding piece and the rotating piece, the position of the electric winding roll 26 can be adjusted, so that the position of the logging probe is adjusted, and the logging probe is placed into the guide pipe 11.
Referring to fig. 2, an annular groove 22a is concavely formed on the side of the base ring 22 facing away from the support post 21, the rotating member includes a ring plate 23 rotatably disposed in the annular groove 22a, and the sliding member is disposed on the side of the ring plate 23 facing away from the base ring 22. The ring plate 23 can be made rotatable in the annular groove 22a by a sliding fit between the ring plate 23 and the annular groove 22 a. The rotation of the rotating member enables adjustment of the sliding direction of the motorized winding reel 26 to achieve 360 lateral adjustment of the position of the motorized winding reel 26.
Referring to fig. 2, the sliding member includes two sliding plates 24 symmetrically disposed on a side of the ring plate 23 away from the base ring 22, two supporting rods 25 are slidably disposed on the two sliding plates 24, a sliding direction of the supporting rods 25 is perpendicular to an extending direction of the supporting column 21, sliding directions of the two supporting rods 25 are parallel, and the electric winding roll 26 is disposed between the two supporting rods 25. The support rod 25 slides on the slide plate 24 to adjust the position of the electric winding roll 26 in the transverse direction, so as to adjust the position of the electric winding roll 26, and further, the support rod 25 rotates in the annular groove 22a through the annular plate 23 to adjust the sliding direction of the support rod 25 on the slide plate 24.
Referring to fig. 5, a limiting ring 27 is disposed around the groove wall of the annular groove 22a, the outer wall of the annular plate 23 is recessed to form a sliding groove matched with the limiting ring 27, and a plurality of balls 28 are embedded in one side of the annular plate 23 near the groove bottom of the annular groove 22 a. By the cooperation between the stopper ring 27 and the slide groove, the ring plate 23 can be prevented from being separated from the annular groove 22a when the ring plate 23 rotates, and the friction force between the ring plate 23 and the annular groove 22a can be reduced by the arrangement of the balls 28.
Referring to fig. 1-2, when the centering assembly is located in the well, the controller controls the plurality of first electric telescopic rods 14 to extend synchronously, and when the plurality of first electric telescopic rods 14 extend synchronously, the retaining plate 15 closest to the well wall will first collide with the well wall, and as the first electric telescopic rods 14 extend continuously, the guide tube 11 will be pushed to move towards the side away from the well wall colliding with the retaining plate 15 until the controller detects that all the pressure sensors detect that the corresponding retaining plates 15 collide with the well wall. The guide tube 11 is positioned at the center of the well under the action and reaction of the first electric telescopic rod 14 and the well wall.
Referring to fig. 1-2, the well logging device further includes distance sensors symmetrically disposed at two sides of an outer wall of the well logging probe, the controller is respectively connected with electrical signals of the two distance sensors, and the controller is configured to determine whether distances between two sides of the well logging probe and the well wall are equal, and send a detection start signal to control the well logging probe to start detection when the distances are equal. Through mutually supporting between distance sensor and the controller, can realize measuring the well again when the logging probe is static and be located well central point put, improve the accuracy of measured data.
The foregoing description of the preferred embodiments of the present invention should not be construed as limiting the scope of the invention, but rather utilizing equivalent structural changes made in the present invention description and drawings or directly/indirectly applied to other related technical fields are included in the scope of the present invention.
Claims (8)
1. The logging exploratory tube well logging device is characterized by comprising a logging exploratory tube well logging support and a logging exploratory tube centering component;
the well logging probe centering component comprises a bearing plate for covering a well mouth, a through hole is vertically formed in the bearing plate in a penetrating mode, an annular sliding hole is formed in the hole wall of the through hole in a transversely recessed mode, and the annular sliding hole surrounds the axis of the through hole; an annular plate is slidably arranged in the annular sliding hole, and a transverse adjusting gap is formed between the annular plate and the annular sliding hole; the center of the circle of the annular plate is vertically penetrated with a guide pipe, one end of the guide pipe is positioned on one side of the plate surface of the annular plate, the other end of the guide pipe is positioned on the other side of the plate surface of the annular plate, one end of the guide pipe positioned outside the well is provided with a wire harness clamping assembly for preventing a wire harness connected with the logging probe from shaking, one end of the guide pipe positioned in the well is provided with a centering assembly, and the centering assembly is used for enabling an axis extension line of the guide pipe to coincide with an axis extension line of the well; the centering assembly comprises a plurality of first electric telescopic rods which are transversely arranged on the outer wall of one end of the guide pipe in a surrounding mode, the extending direction of each first electric telescopic rod is perpendicular to the extending direction of the guide pipe, a retaining plate is arranged at the output end of one side, away from the guide pipe, of each first electric telescopic rod, a pressure sensor is arranged between each retaining plate and each first electric telescopic rod, the plurality of first electric telescopic rods extend and retract synchronously, and all the first electric telescopic rods are connected with all the pressure sensors in a one-to-one correspondence mode through a controller; the extension length and the speed of each first electric telescopic rod are consistent; each first electric telescopic rod has the same initial length and the same telescopic length, when the centering assembly is positioned in a well, the controller controls the plurality of first electric telescopic rods to synchronously extend, when the plurality of first electric telescopic rods simultaneously extend, the abutting plate closest to the well wall can firstly collide with the well wall, and as the first electric telescopic rods continuously extend, the guide tube can be pushed to move towards one side of the well wall deviating from the abutting plate and abutting against the well wall under the reaction force of the well wall until the controller detects that all the pressure sensors detect that the corresponding abutting plates are in contact with the well wall.
2. The logging sonde well logging device according to claim 1, wherein the wire harness clamping assembly comprises two mounting plates symmetrically arranged on two sides of a pipe orifice at one end of the guide pipe, which is away from the centering assembly, a second electric telescopic rod is respectively and transversely arranged on one side of the mounting plates, which is away from the guide pipe, the telescopic direction of the second electric telescopic rod is perpendicular to the extending direction of the guide pipe, the telescopic directions of the second electric telescopic rod are on the same extension line, clamping plates for clamping a wire harness for connecting the logging sonde are respectively connected to the output end of one end, which is close to the second electric telescopic rod, of the wire harness, the intersection point of the two adjacent sides of the clamping plates is on the axis of the guide pipe, and the two second electric telescopic rods are synchronously telescopic.
3. The logging sonde of claim 2 wherein a plurality of arc rods are spaced apart from each other on a side of the two clamping plates adjacent to each other, the distribution direction of the plurality of arc rods is in the same direction as the extension direction of the guide tube, the arc rods between the two clamping plates are bent in directions away from each other, and the plurality of arc rods on the two clamping plates are in cross fit with each other.
4. The logging sonde of claim 1 wherein the logging sonde lowering support includes a base ring and an electric take-up reel, the annulus of one side of the base ring facing the ground is surrounded by a plurality of struts, the annulus of the other side of the base ring is rotatably provided with a rotating member, the rotating member is provided with a sliding member which moves laterally, and through the cooperation between the rotating member and the sliding member, the position of the electric take-up reel can be adjusted laterally by 360 degrees, and the electric take-up reel is used for winding a wire harness connected with the logging sonde.
5. The logging sonde of claim 4 wherein the base ring is recessed with an annular groove on a side thereof facing away from the support post, the rotatable member includes a ring plate rotatably disposed within the annular groove, and the slider is disposed on a side of the ring plate facing away from the base ring.
6. The logging sonde of claim 5, wherein the slider includes two sliding plates that are laterally and symmetrically disposed on a side of the annular plate away from the base ring, two sliding plates are respectively provided with a support rod in a sliding manner, a sliding direction of the support rods is perpendicular to an extending direction of the support column, sliding directions of the two support rods are parallel, and the electric winding roll is disposed between the two support rods.
7. The logging sonde of claim 5 wherein the annular groove wall is surrounded by a stop collar, the outer wall of the annular plate is recessed to form a chute matched with the stop collar, and a plurality of balls are embedded in one side of the annular plate near the bottom of the annular groove.
8. The logging sonde of claim 1 further comprising distance sensors symmetrically disposed on two sides of the outer wall of the logging sonde, wherein the controller is electrically connected to the two distance sensors, and the controller is configured to determine whether the distances between the two sides of the logging sonde and the borehole wall are equal, and send a detection start signal to control the logging sonde to start detection when the distances are equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310819599.0A CN116537725B (en) | 2023-07-06 | 2023-07-06 | Logging exploratory tube well-descending device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310819599.0A CN116537725B (en) | 2023-07-06 | 2023-07-06 | Logging exploratory tube well-descending device |
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| Publication Number | Publication Date |
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| CN116537725A CN116537725A (en) | 2023-08-04 |
| CN116537725B true CN116537725B (en) | 2023-09-12 |
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| CN202310819599.0A Active CN116537725B (en) | 2023-07-06 | 2023-07-06 | Logging exploratory tube well-descending device |
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| CN117868802B (en) * | 2024-02-01 | 2024-06-07 | 菏泽市建设工程勘察院 | Geotechnical engineering reconnaissance drilling water level measuring apparatu |
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