CN117090561B - Logging device for petroleum exploitation - Google Patents
Logging device for petroleum exploitation Download PDFInfo
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- CN117090561B CN117090561B CN202311331365.8A CN202311331365A CN117090561B CN 117090561 B CN117090561 B CN 117090561B CN 202311331365 A CN202311331365 A CN 202311331365A CN 117090561 B CN117090561 B CN 117090561B
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- logging
- rotary
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- 239000003208 petroleum Substances 0.000 title claims abstract description 8
- 238000003384 imaging method Methods 0.000 claims abstract description 32
- 238000004140 cleaning Methods 0.000 claims description 34
- 239000007788 liquid Substances 0.000 claims description 6
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims 5
- 238000001514 detection method Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 11
- 238000009434 installation Methods 0.000 description 6
- 230000000007 visual effect Effects 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000003129 oil well Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/002—Survey of boreholes or wells by visual inspection
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/01—Devices for supporting measuring instruments on drill bits, pipes, rods or wirelines; Protecting measuring instruments in boreholes against heat, shock, pressure or the like
- E21B47/017—Protecting measuring instruments
- E21B47/0175—Cooling arrangements
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
Abstract
The invention discloses a logging device for petroleum exploitation, which belongs to the field of logging equipment for petroleum exploitation and comprises a rotary guide assembly and a logging assembly, wherein the rotary guide assembly is provided with a rotary end, the rotary end is fixedly connected with the logging assembly, the logging assembly comprises a pressure-bearing shell, a flow guide pipe and an imaging unit, the pressure-bearing shell is fixedly connected with the rotary end, the pressure-bearing shell is provided with a containing cavity, the flow guide pipe penetrates through the pressure-bearing shell and is fixedly connected with the pressure-bearing shell, the imaging unit is fixed in the containing cavity, the imaging unit is provided with an image acquisition end and a driving unit, and the image acquisition end is used for acquiring images in a well. According to the invention, through the cooperation of the rotary guide assembly and the logging assembly, the position of the image acquisition end in the logging assembly in the well is relatively fixed, so that the image acquisition end can continuously face to one azimuth, image acquisition is performed at fixed points, the image acquisition precision is improved, and the detection effect of the logging device is ensured.
Description
Technical Field
The invention relates to the technical field of logging equipment for oil exploitation, in particular to a logging device for petroleum exploitation.
Background
In oil exploitation, real-time image monitoring of conditions in an oil well is required according to construction requirements. In the existing logging equipment, the underground visual logging device mainly detects the well wall in the modes of electromagnetic flaw detection, ultrasonic waves and the like. Although the detection modes can be used, the detection result is not visual enough by adopting an indirect flaw detection mode, so that the visual image logging device is the development direction of future logging equipment.
At present, in visual image logging equipment, because the exploitation environment of an oil well is complex, the detection of a high inclination and a horizontal well is involved, and the common visual logging equipment has a limited entry angle and cannot go deep into the oil well to detect.
In order to solve the technical problems, the application date is 2018, 10 months and 12 days, and the invention patent application document applied as CN201811193875.2 discloses a horizontal well coiled tubing downhole television test pipe column and a test method. In the technology, an image acquisition terminal is positioned at the top end of an oil pipe, and acquires an image in a well along with the movement of the oil pipe. Although the detection mode can acquire images, the progress of image acquisition is determined according to the advancing speed of the oil pipe, and the operation cannot be stopped, so that the image in the well cannot be acquired in a positioning mode.
Disclosure of Invention
The invention aims to provide a logging device for petroleum exploitation, which aims to solve the problem that image logging equipment moves along with an oil pipe and cannot accurately position and collect images in the background technology.
In order to achieve the aim of the invention, the invention adopts the following technical scheme:
the utility model provides a logging device for oil exploitation, includes rotatory direction subassembly and logging subassembly, rotatory direction subassembly has a rotatory end, rotatory end and logging subassembly fixed connection, logging subassembly includes pressure-bearing casing, honeycomb duct and imaging unit, pressure-bearing casing and rotation end fixed connection, pressure-bearing casing has a holding chamber, the observation groove of seting up along the central line direction on the outer wall of pressure-bearing casing, the observation groove is linked together with holding the chamber, be fixed with transparent spacer in the observation groove; the flow guide pipe penetrates through the pressure-bearing shell along the direction of the central line of the pressure-bearing shell and is fixedly connected with the pressure-bearing shell, and the flow guide pipe is used for guiding liquid medium; the imaging unit is fixed in the accommodating cavity and is provided with at least one image acquisition end sliding along the central line direction of the pressure-bearing shell and a driving unit for driving the image acquisition end to slide, and the image acquisition end is used for acquiring images in a well.
Preferably, the pressure-bearing shell comprises a first shell and a second shell which are connected with each other, a first cavity is formed in the first shell, a second cavity is formed in the second shell, the first cavity and the second cavity are combined to form a containing cavity, the first shell is fixedly connected with the second shell in a threaded mode, the observation groove is formed in the first shell, and the second shell is fixedly connected with the rotating end.
Preferably, the imaging unit comprises a support frame, the support frame is pegged graft and is fixed in the first casing, follow pressure-bearing casing central line direction slidable mounting on the support frame and have the carriage, image acquisition end and carriage fixed connection, the drive unit includes drive lead screw, drive nut and driving motor, the drive lead screw is installed on the support frame along pressure-bearing casing central line direction through the pivoted mode, drive nut swivel mount is in the outer wall of drive lead screw to with carriage fixed connection, driving motor and support frame fixed connection, driving motor's output shaft and drive lead screw fixed connection, and be used for driving the rotation of drive lead screw.
Preferably, the imaging unit further comprises a guide rod, a first conductive seat and a fixing seat, the guide rod is arranged along the central line direction of the pressure-bearing shell, the fixing seat and the first conductive seat are fixedly connected with the support frame, one end of the guide rod is fixedly inserted into the fixing seat, the other end of the guide rod is fixedly inserted into the first conductive seat, a guide sliding sleeve is sleeved on the outer wall of the guide rod in a sliding manner, the guide sliding sleeve is fixedly connected with the sliding frame, an anode conductive strip and a cathode conductive strip are fixedly connected on the outer wall of the guide rod, a sliding anode contact and a sliding cathode contact are fixedly inserted on the outer wall of the guide sliding sleeve, the sliding anode contact and the sliding cathode contact extend into the guide sliding sleeve and respectively abut against the anode conductive strip and the cathode conductive strip, the sliding anode contact and the sliding cathode contact are electrically connected with the image acquisition end, and the anode conductive strip and the cathode conductive strip are electrically connected with the first conductive seat.
Preferably, an internal thread is formed at one end of the first shell facing the second shell, a rotating ring is mounted at one end of the second shell facing the first shell in a rotating manner, an external thread is formed at one end of the rotating ring facing the first shell, and the internal thread is matched with the external thread; the second cavity is internally provided with an electric appliance support in an inserted and fixed mode, one end, facing the first shell, of the electric appliance support is provided with a second conductive seat, and the first conductive seat can be inserted and fixed with the second conductive seat and can be electrically communicated with the second conductive seat.
Preferably, a connecting flange is arranged on the outer wall of the second shell, and the rotating ring is clamped on the outer wall of the connecting flange and can rotate around the connecting flange; the rotary ring comprises two arc ring bodies which are symmetrically connected, wherein the arc ring bodies are connected with each other through bolts, and a driving hole is formed in the outer wall of the arc ring body.
Preferably, the bottom of the first cavity is provided with an imaging positioning groove, one end of the support frame can be inserted into the imaging positioning groove, and the end part of the rotating ring, which faces the first shell, is abutted against the support frame, so that the support frame is fixed in the first cavity.
Preferably, the support frame comprises a main frame body, an upper frame body and a top frame body, wherein the main frame body is provided with an open accommodating part, the upper frame body is fixed at the opening of the main frame body, the top frame body is fixed at the top of the upper frame body, and the flow guide pipe penetrates through the main frame body, the upper frame body and the top frame body.
Preferably, one end of the honeycomb duct is provided with the fixed flange that outwards extends, the one end that first casing kept away from first casing is provided with first connecting pipe, the inner wall of first connecting pipe is provided with the first limit flange of inwards extending, the one end that second casing kept away from first casing is provided with the second connecting pipe towards, the inner wall of second connecting pipe is provided with the second limit flange of inwards extending, the top of second connecting pipe is fixed with solid fixed ring through threaded connection's mode, the other end of honeycomb duct inserts in the second connecting pipe to it is inconsistent with first limit flange, the one end of fixed flange is inconsistent with second limit flange, the other end of fixed flange is inconsistent with solid fixed ring.
Preferably, the logging device further comprises a cleaning assembly, the cleaning assembly is fixed at one end of the logging assembly facing away from the rotary guiding assembly, the cleaning assembly is provided with a cleaning flow passage, one end of the cleaning flow passage is communicated with the flow guide pipe, and the other end of the cleaning flow passage penetrates through the cleaning assembly; the outer wall of the flow guide pipe is provided with a plurality of wavy grooves.
The invention has the beneficial effects that: through the cooperation of rotatory direction subassembly and logging subassembly, the image acquisition end in the messenger logging subassembly is fixed relatively in the position in the well, has guaranteed that image acquisition end can last towards a position, and the fixed point carries out image acquisition, has improved the collection precision of image, has guaranteed logging device's detection effect, simultaneously through the cooperation of honeycomb duct with wash the subassembly, can utilize cleaning medium, both can absorb logging subassembly's temperature, has protected logging device, can wash in the well again, has improved image acquisition's precision and quality.
Drawings
Fig. 1 is a schematic perspective view of a first embodiment of the present invention;
FIG. 2 is a schematic diagram of an explosion structure according to a first embodiment of the present invention;
FIG. 3 is a schematic diagram of an explosion structure of a flow guiding pipe according to a first embodiment of the present invention;
fig. 4 is a schematic perspective view of a second embodiment of the present invention;
FIG. 5 is a schematic diagram illustrating a connection relationship between a pressure-bearing housing and a flow guiding pipe in a second embodiment of the present invention;
fig. 6 is a schematic front view of an imaging unit in a second embodiment of the invention;
FIG. 7 is a schematic diagram of an imaging unit according to a second embodiment of the present invention;
FIG. 8 is a schematic diagram illustrating a connection relationship between a guiding sliding sleeve and a guiding rod in a second embodiment of the present invention;
fig. 9 is a schematic diagram illustrating a connection relationship between a guide rod and a first conductive seat in a second embodiment of the present invention;
FIG. 10 is a schematic view of a guide rod according to a second embodiment of the present invention;
FIG. 11 is a schematic diagram of an installation structure of a positive electrode conductive strip and a negative electrode conductive strip according to a second embodiment of the present invention;
FIG. 12 is a cross-sectional view of a guide sleeve according to a second embodiment of the present invention;
FIG. 13 is a schematic diagram of an exploded structure of a rotary ring according to a second embodiment of the present invention;
fig. 14 is an exploded view of an electrical bracket according to a second embodiment of the present invention;
fig. 15 is a schematic diagram illustrating a connection relationship between a first conductive base and a second conductive base in a second embodiment of the present invention;
fig. 16 is a schematic structural diagram of a first conductive base in a second embodiment of the present invention;
fig. 17 is a schematic structural diagram of a second conductive base in the second embodiment of the present invention;
fig. 18 is a schematic view of an installation structure of a support frame in a second embodiment of the present invention;
fig. 19 is a schematic perspective view of a supporting frame in a second embodiment of the present invention;
FIG. 20 is a schematic view of a flow guiding pipe installation structure in a second embodiment of the present invention;
fig. 21 is a cross-sectional view of a cleaning assembly in accordance with a second embodiment of the present invention.
In the figure: 1. a rotary guide assembly; 101. a rotating end; 2. a pressure-bearing housing; 21. a receiving chamber; 22. an observation groove; 23. a first connection pipe; 231. a first limit flange; 24. a second connection pipe; 241. a second limit flange; 25. a fixing ring; 201. a first housing; 2011. a first cavity; 20111. an imaging positioning groove; 2012. an internal thread; 202. a second housing; 2021. a second cavity; 2022. a connecting flange; 203. a rotating ring; 2031. an external thread; 2032. a connection groove; 2033. a drive hole; 3. a flow guiding pipe; 31. a fixing flange; 4. an imaging unit; 41. an image acquisition end; 42. a driving unit; 421. driving a screw rod; 422. a drive nut; 423. a driving motor; 43. a support frame; 431. a main frame body; 432. an upper frame body; 433. a top frame; 44. a carriage; 45. a guide rod; 451. a groove I; 452. a second groove; 453. a positive electrode conductive strip; 454. a negative electrode conductive strip; 46. a first conductive base; 461. a first plug-in connection; 462. a first positive electrode insertion piece; 463. a first negative electrode insertion piece; 47. a fixing seat; 48. a guide sliding sleeve; 481. a first through groove; 482. a second through groove; 483. sliding the positive contact; 484. a sliding negative contact; 5. a transparent spacer; 6. an electrical appliance bracket; 61. a second conductive base; 611. a second plug-in connection; 612. a second positive electrode tab; 613. a second negative electrode insertion piece; 62. a third conductive base; 7. cleaning the assembly; 71. cleaning the flow channel; 72. a spout.
Detailed Description
So that the objects, technical solutions and advantages of the embodiments of the present disclosure are more apparent, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present disclosure. It will be apparent that the described embodiments are some, but not all, of the embodiments of the present disclosure. All other embodiments, which can be made by one of ordinary skill in the art without the need for inventive faculty, are within the scope of the present disclosure, based on the described embodiments of the present disclosure.
Unless defined otherwise, technical or scientific terms used in this disclosure should be given the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of the terms "comprising" or "includes" and the like in this disclosure is intended to cover an element or article listed after that term and equivalents thereof without precluding other elements or articles. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may also include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
In a first embodiment, referring to fig. 1 to 3, the present invention provides a logging device for oil exploitation, comprising a rotary guiding assembly 1 and a logging assembly,
the rotary guiding component 1 is provided with a rotary end 101, the rotary end 101 is fixedly connected with the logging component, the rotary guiding component 1 is connected with external ground equipment, the ground equipment can provide power supply, cables and liquid medium, the rotary guiding component 1 is driven by electric power, and the rotary end 101 can control the rotary angle according to the control.
The logging assembly comprises a pressure-bearing shell 2, a flow guide pipe 3 and an imaging unit 4,
the pressure-bearing shell 2 is fixedly connected with the rotating end 101, the pressure-bearing shell 2 is provided with a containing cavity 21, an observation groove 22 is arranged on the outer wall of the pressure-bearing shell 2 along the central line direction, the observation groove 22 is communicated with the containing cavity 21, a transparent isolating piece 5 is fixed in the observation groove 22,
in an alternative embodiment, the transparent spacer 5 may be made of a transparent pressure-resistant material, such as transparent pressure-resistant glass, transparent plastic material, etc. Transparent pressure-resistant glass materials are preferred because of their high wear resistance, which helps to increase the useful life of the logging device.
The flow guide pipe 3 penetrates through the pressure-bearing shell 2 along the central line direction of the pressure-bearing shell 2 and is fixedly connected with the pressure-bearing shell 2, and the flow guide pipe 3 is used for guiding liquid medium; wherein, the rotatory end 101 is connected to the one end of honeycomb duct 3 to be linked together with outside ground equipment, other check out test set can be connected to the other end of honeycomb duct 3, and when the liquid medium that ground equipment provided flowed through honeycomb duct 3, can absorb the inside heat of well logging subassembly, reduced the temperature of well logging subassembly, avoided the high damage that causes the well logging subassembly of temperature.
The imaging unit 4 is fixed in the accommodating cavity 21, and the imaging unit 4 is provided with at least one image acquisition end 41 sliding along the central line direction of the pressure-bearing shell 2 and a driving unit 42 for driving the image acquisition end 41 to slide, wherein the image acquisition end 41 is used for acquiring images in a well. The image capturing end 41 uses a high temperature and high pressure resistant image capturing device, such as a high temperature and high pressure resistant camera.
Specifically, the transparent isolating piece 5, the flow guide pipe 3 and the pressure-bearing shell 2 are combined to form a closed structure, so that a logging assembly can be effectively protected; and through the cooperation of rotatory direction subassembly 1 and well logging subassembly, make the image acquisition end 41 in the well logging subassembly fixed relatively in the position in the well, guaranteed that image acquisition end 41 can last towards a position, fixed point carries out image acquisition, has improved the collection precision of image, has guaranteed well logging device's detection effect.
In a second embodiment, referring to fig. 4 to 21, a logging device for oil exploitation is further provided in this embodiment, and the specific structure of the logging device for oil exploitation in this embodiment is substantially the same as that of the logging device for oil exploitation in the first embodiment, and the difference between the two is that the logging device for oil exploitation in this embodiment further includes the following specific structure compared with the logging device for oil exploitation in the first embodiment.
As an example, for facilitating the disassembly and assembly of the logging device, referring to fig. 4 to 5, the pressure-bearing housing 2 includes a first housing 201 and a second housing 202 connected to each other, a first cavity 2011 is formed in the first housing 201, a second cavity 2021 is formed in the second housing 202, the first cavity 2011 and the second cavity 2021 are combined to form a receiving cavity 21,
the first shell 201 is provided with a first opening, the second shell 202 is provided with a second opening, and the first opening and the second opening are fixedly connected in a threaded connection mode, so that the first shell 201 and the second shell 202 can be conveniently detached; the observation groove 22 is formed in the first casing 201, and the second casing 202 is fixedly connected with the rotating end 101.
During disassembly and assembly, an operator can rotate the second housing 202 to fix the second housing 202 and the first housing 201, so that the installation of the logging assembly structure is facilitated.
Referring to fig. 4 to 12, in order to further facilitate the assembly and disassembly of the logging device, the imaging unit 4 includes a support frame 43, the support frame 43 is inserted and fixed in the first housing 201, a sliding frame 44 is slidably mounted on the support frame 43 along the central line direction of the pressure-bearing housing 2, the image acquisition end 41 is fixedly connected with the sliding frame 44, the driving unit 42 includes a driving screw 421, a driving nut 422 and a driving motor 423, two ends of the driving screw 421 are mounted on the support frame 43 along the central line direction of the pressure-bearing housing 2 in a bearing connection manner, the driving nut 422 is rotatably sleeved on the outer wall of the driving screw 421 and is fixedly connected with the sliding frame 44, the driving motor 423 is fixedly connected with the support frame 43, and an output shaft of the driving motor 423 is fixedly connected with the driving screw 421 for driving the driving screw 421 to rotate.
Specifically, when the imaging unit 4 is disassembled and assembled, the supporting frame 43 is used as a carrier of the imaging unit 4, and the imaging unit 4 can be driven to integrally move by moving the supporting frame 43, so that the maintenance and the installation of the imaging unit 4 are facilitated, and the assembly efficiency of the logging device is improved; during detection, the driving motor 423 works, the output shaft of the driving motor 423 drives the driving screw 421 to rotate, the driving screw 421 drives the driving nut 422 to move, the driving nut 422 drives the sliding frame 44 to move, and the sliding frame 44 drives the image acquisition end 41 to move, so that the image acquisition end 41 can move along the central line direction of the pressure-bearing shell 2, and the image acquisition precision is ensured.
In order to further facilitate the disassembly and assembly of the logging device, the imaging unit 4 further comprises a guide rod 45, a first conductive seat 46 and a fixed seat 47, wherein the guide rod 45 is arranged along the central line direction of the pressure-bearing shell 2, the fixed seat 47 and the first conductive seat 46 are fixedly connected with the support frame 43, one end of the guide rod 45 is inserted and fixed in the fixed seat 47, the other end of the guide rod 45 is inserted and fixed in the first conductive seat 46, a guide sliding sleeve 48 is sleeved on the outer wall of the guide rod 45 in a sliding way, and the guide sliding sleeve 48 is fixedly connected with the sliding frame 44. When the carriage 44 moves, the guide rod 45 guides the movement of the carriage 44 through the first conductive seat 46.
Optionally, a first groove 451 and a second groove 452 are formed on the outer wall of the guide rod 45, the first groove 451 is internally fixed with a positive electrode conductive strip 453, and the second groove 452 is internally fixed with a negative electrode conductive strip 454. The parts of the positive electrode conductive strip 453 and the negative electrode conductive strip 454, which are in contact with the guide rod 45, are sleeved and fixed with insulating layers, so that the current is prevented from being transmitted to the guide rod 45, and the equipment is prevented from being damaged.
The guiding sliding sleeve 48 comprises a sliding sleeve base and an insulating block fixed on the sliding sleeve base, a first through groove 481 and a second through groove 482 are formed in the outer wall of the insulating block, a sliding positive electrode contact 483 is inserted into the first through groove 481, one end of the sliding positive electrode contact 483 extends into the guiding sliding sleeve 48, the other end of the sliding positive electrode contact 483 extends out of the guiding sliding sleeve 48 and is electrically connected with the image acquisition end 41, a sliding negative electrode contact 484 is inserted into the second through groove 482 in a plugging manner, one end of the sliding negative electrode contact 484 extends into the guiding sliding sleeve 48, and the other end of the sliding negative electrode contact 484 extends out of the guiding sliding sleeve 48 and is electrically connected with the image acquisition end 41.
In some alternative embodiments, positive electrode conductive strip 453, negative electrode conductive strip 454, sliding positive electrode contact 483, and sliding negative electrode contact 484 are all made of a conductive material, such as alloyed copper, alloyed iron, and the like, preferably alloyed copper.
Specifically, the first conductive seat 46 is electrically connected to an external ground device through a circuit, the ground device provides power for the first conductive seat 46, and the positive conductive strip 453 and the negative conductive strip 454 are electrically connected to the first conductive seat 46; when the carriage 44 moves along the guide rod 45, current passes through the cooperation of the positive electrode conductive strip 453, the negative electrode conductive strip 454, the sliding positive electrode contact 483 and the sliding negative electrode contact 484, power is stably transmitted to the image acquisition end 41, stable operation of the image acquisition end 41 is ensured, meanwhile, the power is transmitted in a sliding transmission mode, wiring of the imaging unit 4 is reduced in the limited accommodating cavity 21, and dismounting and mounting of the logging device are further facilitated.
Referring to fig. 13 to 17, in order to further facilitate the assembly and disassembly of the logging device, an internal thread 2012 is provided at an end of the first housing 201 facing the second housing 202, a rotating ring 203 is rotatably mounted at an end of the second housing 202 facing the first housing 201, an external thread 2031 is provided at an end of the rotating ring 203 facing the first housing 201, and the internal thread 2012 is matched with the external thread 2031; in assembly, the operator rotates the rotary ring 203 to fix the rotary ring 203 and the first housing 201 to each other. During assembly, an operator inserts the electrical equipment support 6 into the second shell 202, then the first shell 201 and the second shell 202 are fixed through rotating the rotating ring 203, rapid installation of the pressure-bearing shell 2 and the logging assembly is achieved, and the dismounting efficiency of the logging device is further improved.
The electrical support 6 is inserted into the second cavity 2021, one end of the electrical support 6 facing the second opening is provided with a sealing end block, the sealing end block is fixed in the second cavity 2021 through glue, the electrical support 6 is used for fixing related electronic devices, one end of the electrical support 6 facing the first shell 201 is fixed with a second conductive seat 61, the first conductive seat 46 can be fixedly spliced with the second conductive seat 61, and the first conductive seat 46 can be electrically communicated with the second conductive seat 61.
In some alternative embodiments, the end of the first conductive base 46 has a first socket portion 461, a first positive electrode socket portion 462 and a first negative electrode socket portion 463 are fixed in the first socket portion 461, the first positive electrode socket portion 462 is electrically connected with the positive electrode conductive strip 453, the first negative electrode socket portion 463 is electrically connected with the negative electrode conductive strip 454, the end of the second conductive base 61 has a second socket portion 611, and a second positive electrode socket portion 612 and a second negative electrode socket portion 613 are fixed in the second socket portion 611.
When the first conductive base 46 and the second conductive base 61 are fixed in a plugging manner, the first positive electrode plug 462 abuts against the second positive electrode plug 612, and the first negative electrode plug 463 abuts against the second negative electrode plug 613, so that electrical connection is achieved.
The electrical equipment support 6 is fixed with a third conductive seat 62 towards one end far away from the first shell 201, and the third conductive seat 62 and the second conductive seat 61 have the same structure and are used for power transmission.
In order to further facilitate the disassembly and assembly of the logging device, the outer wall of the second housing 202 is provided with a connection flange 2022, the inner wall of the rotating ring 203 is provided with a connection groove 2032, the connection groove 2032 is clamped on the outer wall of the connection flange 2022 and can rotate around the connection flange 2022, and the movement of the rotating ring 203 can be limited by the connection flange 2022 and the connection groove 2032, so that the disassembly and assembly of the first housing 201 and the second housing 202 are facilitated.
The rotating ring 203 comprises two symmetrically connected arc ring bodies, and the arc ring bodies are connected with each other through bolts, so that the rotating ring 203 and the connecting flange 2022 are convenient to assemble and disassemble.
The outer wall of the arc ring body is provided with a driving hole 2033. Wherein, operating personnel accessible outside spanner, joint insert in the drive hole 2033, drive swivel ring 203 and rotate, make first casing 201 and second casing 202 fixed mutually, the appearance of swivel ring 203 keeps unanimous with whole simultaneously, avoids down the in-process of well to collide with the wall of a well, causes the damage of well logging subassembly and well arm.
Referring to fig. 18, in order to further facilitate the assembly and disassembly of the logging device, an imaging positioning groove 20111 is formed at the bottom of the first cavity 2011, one end of the supporting frame 43 can be inserted into the imaging positioning groove 20111, and the end of the rotating ring 203 facing the first housing 201 is abutted against the supporting frame 43, so that the supporting frame 43 is fixed in the first cavity 2011. During assembly, the support frame 43 can be inserted first, then the rotary ring 203 is screwed, so that the rotary ring 203 moves towards the direction of the first shell 201 until the bottom of the rotary ring 203 is abutted against the end part of the support frame 43, and therefore the support frame 43 is fixed, and during assembly and disassembly, the rotary ring 203 is convenient to install and convenient to fix quickly.
Referring to fig. 19, in order to further facilitate the assembly and disassembly of the logging device, the supporting frame 43 includes a main frame 431, an upper frame 432 and a top frame 433, the main frame 431 has an open receiving portion, the upper frame 432 is fixed to the open end of the main frame 431 by bolts, the top frame 433 is fixed to the top of the upper frame 432 by bolts, and the flow guide tube 3 penetrates through the main frame 431, the upper frame 432 and the top frame 433. During assembly, the upper frame 432 and the top frame 433 can be sequentially fixed, so that the whole assembly and disassembly of operators are facilitated.
Referring to fig. 20, in order to further facilitate the assembly and disassembly of the logging device, one end of the flow guiding tube 3 is provided with an outwardly extending fixing flange 31, one end of the first housing 201 facing away from the first housing 201 is provided with a first connecting tube 23, an inner wall of the first connecting tube 23 is provided with an inwardly extending first limiting flange 231, one end of the second housing 202 facing away from the first housing 201 is provided with a second connecting tube 24, an inner wall of the second connecting tube 24 is provided with an inwardly extending second limiting flange 241, a top of the second connecting tube 24 is fixed with a fixing ring 25 in a threaded connection manner, the other end of the flow guiding tube 3 is inserted into the second connecting tube 24 and is in contact with the first limiting flange 231, one end of the fixing flange 31 is in contact with the second limiting flange 241, and the other end of the fixing flange 31 is in contact with the fixing ring 25.
During assembly, an operator inserts the flow guide pipe 3 from the top of the second connecting pipe 24, then screws in the fixing ring 25 to fix the flow guide pipe 3, screws in the rotating ring 203 to enable the rotating ring 203 to move towards the direction of the first shell 201 until the lower end of the flow guide pipe 3 is in contact with the first limit flange 231, so that the rapid fixing of the flow guide pipe 3 is realized, and the assembly efficiency of the logging device is improved.
Referring to fig. 21, in order to improve the shooting accuracy of the logging device, the logging device further includes a cleaning assembly 7, the cleaning assembly 7 is fixed at one end of the logging assembly facing away from the rotary guiding assembly 1, the cleaning assembly 7 has a cleaning flow channel 71, one end of the cleaning flow channel 71 is communicated with the flow guiding tube 3, and the other end of the cleaning flow channel 71 penetrates through the cleaning assembly 7.
The cleaning assembly 7 comprises a cleaning head which is fixedly connected with the first shell 201 in a threaded connection mode, the cleaning flow channel 71 is positioned in the cleaning head, a plurality of nozzles 72 are formed in the outer wall of the cleaning head, and the nozzles 72 are communicated with the cleaning flow channel 71.
In some alternative embodiments, in order to increase the heat dissipation effect of the flow guiding tube 3, a plurality of wavy grooves are arranged on the outer wall of the flow guiding tube 3, and the wavy grooves can increase the heat dissipation area of the flow guiding tube 3, so that the heat dissipation efficiency of the logging device is improved.
Specifically, when the liquid medium flows into the cleaning flow channel 71 through the flow guide pipe 3 and then is sprayed out from the nozzle 72, the well wall can be washed, sediment in the well can be washed, interference on image acquisition is reduced, and shooting precision of the well logging device is guaranteed.
In general, the invention enables structures such as a logging component and the like to be quickly disassembled and assembled through the separation design of the pressure-bearing shell 2, is convenient for the disassembly and assembly of the logging device, improves the disassembly and maintenance efficiency of the logging device, saves the maintenance time and reduces the maintenance cost, and can utilize the cleaning medium through the matching of the flow guide pipe 3 and the cleaning component 7, thereby not only absorbing the temperature of the logging component, protecting the logging device, but also flushing the inside of the well and improving the precision and quality of image acquisition.
The above embodiments are only exemplary embodiments of the present invention and are not intended to limit the present invention, the scope of which is defined by the claims. Various modifications and equivalent arrangements of this invention will occur to those skilled in the art, and are intended to be within the spirit and scope of the invention.
Claims (8)
1. The utility model provides a logging device for oil exploitation, includes rotatory direction subassembly (1) and logging subassembly, rotatory direction subassembly (1) has a rotary end (101), rotary end (101) and logging subassembly fixed connection, a serial communication port, logging subassembly includes pressure-bearing housing (2), honeycomb duct (3) and imaging unit (4), pressure-bearing housing (2) and rotary end (101) fixed connection, pressure-bearing housing (2) have one and hold chamber (21), observation groove (22) have been seted up along the central line direction on the outer wall of pressure-bearing housing (2), observation groove (22) are linked together with hold chamber (21), be fixed with transparent spacer (5) in observation groove (22); the flow guide pipe (3) penetrates through the pressure-bearing shell (2) along the central line direction of the pressure-bearing shell (2) and is fixedly connected with the pressure-bearing shell (2), and the flow guide pipe (3) is used for guiding a liquid medium; the imaging unit (4) is fixed in the accommodating cavity (21), the imaging unit (4) is provided with at least one image acquisition end (41) sliding along the central line direction of the pressure-bearing shell (2) and a driving unit (42) for driving the image acquisition end (41) to slide, and the image acquisition end (41) is used for acquiring an image in a well; the pressure-bearing shell (2) comprises a first shell (201) and a second shell (202) which are connected with each other; the imaging unit (4) comprises a support frame (43), the support frame (43) is fixedly inserted into the first shell (201), a sliding frame (44) is slidably arranged on the support frame (43) along the central line direction of the pressure-bearing shell (2), the image acquisition end (41) is fixedly connected with the sliding frame (44), the driving unit (42) comprises a driving screw (421), a driving nut (422) and a driving motor (423), the driving screw (421) is arranged on the support frame (43) along the central line direction of the pressure-bearing shell (2) in a rotating mode, the driving nut (422) is rotatably sleeved on the outer wall of the driving screw (421) and fixedly connected with the sliding frame (44), the driving motor (423) is fixedly connected with the support frame (43), and the output shaft of the driving motor (423) is fixedly connected with the driving screw (421) and is used for driving the driving screw (421) to rotate. The well logging device further comprises a cleaning assembly (7), the cleaning assembly (7) is fixed at one end, far away from the rotary guide assembly (1), of the well logging assembly, the cleaning assembly (7) is provided with a cleaning flow channel (71), one end of the cleaning flow channel (71) is communicated with the flow guide pipe (3), and the other end of the cleaning flow channel (71) penetrates through the cleaning assembly (7); the outer wall of the flow guide pipe (3) is provided with a plurality of wavy grooves.
2. The logging device for oil production of claim 1, wherein: first cavity (2011) has been seted up in first casing (201), second cavity (2021) has been seted up in second casing (202), first cavity (2011) and second cavity (2021) combination form hold chamber (21), first casing (201) and second casing (202) pass through threaded connection's mode fixed connection, observation groove (22) are seted up in first casing (201), second casing (202) and rotary part (101) fixed connection.
3. The logging device for oil production according to claim 2, wherein: imaging unit (4) still include guide bar (45), first conducting seat (46) and fixing base (47), guide bar (45) set up along pressure-bearing casing (2) central line direction, fixing base (47), first conducting seat (46) all with support frame (43) fixed connection, in fixing base (47) are pegged graft to one end of guide bar (45), in first conducting seat (46) are pegged graft to the other end of guide bar (45), the slip cover is equipped with guide sliding sleeve (48) on the outer wall of guide bar (45), guide sliding sleeve (48) and slide frame (44) fixed connection, be fixed with anodal conducting strip (453) and negative electrode conducting strip (454) on the outer wall of guide bar (45), peg graft on the outer wall of guide sliding sleeve (48) and be fixed with slip anodal contact (483) and slip negative electrode contact (484), slip anodal contact (483) and slip negative electrode contact (484) all extend into guide sliding sleeve (48) to with anodal conducting strip (453) are inconsistent respectively, negative electrode conducting strip (484), negative electrode (484) are all connected with positive electrode conducting strip (41) electrical property, positive electrode (41) and negative electrode conducting strip (45) are gathered, positive electrode conducting strip (45) electrical property contact (45) are all gathered The negative electrode conductive strips (454) are electrically connected with the first conductive seat (46).
4. A logging device for petroleum exploitation according to claim 3, wherein: an inner thread (2012) is formed at one end, facing the second shell (202), of the first shell (201), a rotary ring (203) is mounted at one end, facing the first shell (201), of the second shell (202) in a rotary mode, an outer thread (2031) is formed at one end, facing the first shell (201), of the rotary ring (203), and the inner thread (2012) is matched with the outer thread (2031); an electrical appliance support (6) is fixedly inserted into the second cavity (2021), a second conductive seat (61) is fixed at one end, facing the first shell (201), of the electrical appliance support (6), the first conductive seat (46) can be fixedly inserted into the second conductive seat (61), and the first conductive seat (46) can be electrically communicated with the second conductive seat (61).
5. The logging device for petroleum exploitation according to claim 4, wherein: a connecting flange (2022) is arranged on the outer wall of the second shell (202), and the rotating ring (203) is clamped on the outer wall of the connecting flange (2022) and can rotate around the connecting flange (2022); the rotary ring (203) comprises two arc-shaped ring bodies which are symmetrically connected, wherein the arc-shaped ring bodies are connected with each other through bolts, and a driving hole (2033) is formed in the outer wall of each arc-shaped ring body.
6. The logging device for oil production of claim 5, wherein: imaging positioning grooves (20111) are formed in the bottom of the first cavity (2011), one end of the supporting frame (43) can be inserted into the imaging positioning grooves (20111), and the end, facing the first shell (201), of the rotating ring (203) is abutted to the supporting frame (43) so that the supporting frame (43) is fixed in the first cavity (2011).
7. The logging device for oil production of claim 1, wherein: the support frame (43) comprises a main frame body (431), an upper frame body (432) and a top frame body (433), wherein the main frame body (431) is provided with an open accommodating part, the upper frame body (432) is fixed at the opening of the main frame body (431), the top frame body (433) is fixed at the top of the upper frame body (432), and the flow guide pipe (3) penetrates through the main frame body (431), the upper frame body (432) and the top frame body (433).
8. The logging device for oil production according to claim 2, wherein: the utility model discloses a honeycomb duct, including honeycomb duct, fixed ring (25) are fixed on the top of second connecting pipe (24), fixed ring (241) are fixed on the top of second connecting pipe (24) through threaded connection's mode, the other end of honeycomb duct (3) inserts in second connecting pipe (24) to with first limit flange (231) conflict, the one end of fixed flange (31) is inconsistent with second limit flange (241), the other end of fixed flange (31) is inconsistent with fixed ring (25).
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| CN202311331365.8A CN117090561B (en) | 2023-10-16 | 2023-10-16 | Logging device for petroleum exploitation |
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| CN202311331365.8A CN117090561B (en) | 2023-10-16 | 2023-10-16 | Logging device for petroleum exploitation |
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| CN217462136U (en) * | 2022-05-01 | 2022-09-20 | 雷振东 | Wall-attached camera shooting plate and logging instrument with same |
| CN218454735U (en) * | 2022-11-07 | 2023-02-07 | 延长油田股份有限公司吴起采油厂 | Logging instrument for petroleum geological exploration |
| CN116517522A (en) * | 2022-12-28 | 2023-08-01 | 中国石油天然气集团有限公司 | Visual self-cleaning imaging logging device, system and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201396088Y (en) * | 2009-04-23 | 2010-02-03 | 山东荣兴石油工程有限公司 | Well measuring instrument conveyer |
| WO2017045402A1 (en) * | 2015-09-18 | 2017-03-23 | 成都维泰油气能源技术有限公司 | Visualized evaluation device for pressure-bearing drilling-fluid plugging and leaking stoppage material property |
| CN107605466A (en) * | 2017-10-23 | 2018-01-19 | 长江大学 | A kind of well logging device for borehole wall measurement |
| CN112145154A (en) * | 2020-11-09 | 2020-12-29 | 黄山联合应用技术研究院 | Visual logging system for oil field collection |
| CN217462136U (en) * | 2022-05-01 | 2022-09-20 | 雷振东 | Wall-attached camera shooting plate and logging instrument with same |
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