CN219469552U - Multifunctional logging pulley with tension measurement function and automatic logging device - Google Patents

Abstract

The utility model relates to the technical field of geological logging, and provides a multifunctional logging pulley with tension measurement and an automatic logging device; the pulley assembly comprises a U-shaped wire passing pulley, a pulley support frame and a pulley bearing transmission assembly, wherein the transmission assembly is in transmission connection with the pulley assembly through a pulley bearing; the measuring device comprises a power supply, a tension sensor, a connecting device and a control module; the power supply is used for providing power for the measuring device; the tension sensor is used for measuring the tension born by the multifunctional logging pulley; the control module is used for receiving and processing the information acquired by the tension sensor; according to the utility model, the contact area between the logging cable and the depth measuring pulley is increased by using the U-shaped wire passing pulley, the phenomenon of slipping between the logging cable and the depth measuring pulley is avoided, and in addition, the tension sensor is arranged above the U-shaped wire passing pulley, so that the tension of the cable can be detected, and the in-well environment of the top end position of the cable is judged.

Description

Multifunctional logging pulley with tension measurement function and automatic logging device

Technical Field

The utility model relates to the technical field of geological logging, in particular to a multifunctional logging pulley with tension measurement.

Background

Logging is one of the most important works in geological exploration, logging is carried out in time after drilling disclosure is finished, and important basis is provided for estimating mineral resource quantity through comprehensive processing and interpretation of logging data.

The logging cable winch, the logging day (ground) pulley, the logging depth measuring wheel, the cable tension measuring wheel and the like are an important component part of logging instrument equipment, and are generally portable logging cable winch, only the depth measuring wheel is matched with the logging cable winch, a tension detecting device is not arranged, the cable tension measuring wheel is arranged in a part of the logging cable winch, but the existing cable tension measuring wheel and the depth measuring wheel are matched to tension the logging cable, so that the contact area of the logging cable and the depth measuring wheel is small, the friction force generated between the logging cable and the depth measuring wheel is small, after the logging cable is frozen or is stained with a well fluid lubricating liquid, the friction force between the logging cable and the depth measuring wheel is small, and a slipping phenomenon is often generated when the logging cable suddenly moves, so that the logging depth measurement is inaccurate, the logging quality is influenced, and in addition, the logging cable tension measurement cannot directly reflect the cable tension condition.

Disclosure of Invention

In order to solve the defects in the prior art, the utility model provides a multifunctional logging pulley with tension measurement, which comprises a pulley assembly, wherein the pulley assembly comprises a U-shaped wire passing pulley and a pulley support frame, and the pulley support frame is rotatably connected with the U-shaped wire passing pulley; the measuring device comprises a power supply, a tension sensor, a connecting device and a control module; the power supply is fixed on the pulley support frame and used for providing power for the measuring device; the tension sensor is positioned at the top of the pulley assembly and is detachably connected with the pulley assembly through a connecting device, and the tension sensor is used for measuring the tension born by the multifunctional logging pulley; the control module is fixed on the pulley support frame and used for receiving and processing the acquired information; the power supply is respectively and electrically connected with the tension sensor and the control module, and the tension sensor is in communication connection with the control module.

In one embodiment, the pulley assembly further comprises a guide member positioned at the upper portion of the U-shaped wire passing pulley and connected with the pulley support frame.

In one embodiment, the guide member is shaped as a half arc adapted to the U-shaped wire passing pulley, and the diameter of the arc of the guide member is larger than the diameter of the U-shaped wire passing pulley.

In one embodiment, the multifunctional logging pulley further comprises a transmission assembly, and the pulley assembly is in transmission connection with the transmission assembly and is used for driving the transmission assembly to rotate; the measuring device further comprises a photoelectric encoder, wherein the photoelectric encoder is fixed on the pulley support frame and is in transmission connection with the pulley assembly through a transmission assembly, and is used for collecting rotation data of rotation of the pulley assembly; the photoelectric encoder is electrically connected with the power supply and is also in communication connection with the control module, and the photoelectric encoder is used for transmitting collected rotation data to the control module.

In an embodiment, the transmission assembly is a gear set, the gear set comprises a first gear and a second gear, the first gear is meshed with the second gear, the first gear is sleeved on a U-shaped wire passing pulley, the second gear is fixedly connected with an output shaft of the photoelectric encoder, and the U-shaped wire passing pulley rotates to drive the gear set to rotate so as to drive the photoelectric encoder to rotate.

In an embodiment, the measuring device further comprises a communication module, and the communication module is electrically connected with the power supply and the control module respectively and is used for sending information to the external device.

In an embodiment, connecting device includes connecting block and bolt, and the bolt hole has been seted up to the connecting block, and the bolt hole runs through to the connecting block bottom from the top of connecting block, and the bolt upwards passes the top of bolt hole from the bottom of connecting block and can dismantle with tension sensor and be connected, and the connecting block can dismantle with the pulley support frame and be connected.

In an embodiment, the multifunctional logging sheave is further provided with a protective housing detachably connected to the sheave support frame for protecting the sheave assembly and the measuring device.

In one embodiment, the multifunctional logging sheave further comprises a universal buckle, and the bottom end of the universal buckle is connected with the tension sensor.

The utility model also provides an automatic logging device, comprising: the system comprises a logging operation control system, a logging data acquisition system, a land roller, a logging instrument, a cable winch and a cable; a logging operation control system comprising a multi-functional logging sheave as in any one of the embodiments described above; the logging operation control system is in communication connection with the logging data acquisition system, and well logging depth values and speed values are shared; the logging operation control system is in communication connection with the cable winch and is used for controlling the cable winch to transmit and receive cables; the logging data acquisition system is in communication connection with the cable winch and is used for acquiring logging instrument information; one end of the cable is coiled on the cable winch, and the other end of the cable sequentially passes through the ground pulley and the multifunctional logging pulley and then is connected with the logging instrument.

Based on the above, compared with the prior art, the multifunctional logging pulley with tension measurement uses the U-shaped wire passing pulley, optimizes the connection mode in the use process, effectively increases the contact area between the logging cable and the depth measuring pulley, and avoids the slipping phenomenon of the logging cable and the depth measuring pulley; in addition, the tension sensor is arranged above the U-shaped wire passing pulley, so that the tension of the cable can be intuitively detected, the in-well environment of the top end position of the cable is judged, and the method has good application value.

Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

Drawings

For a clearer description of embodiments of the utility model or of the solutions of the prior art, the drawings that are needed in the description of the embodiments or of the prior art will be briefly described, it being obvious that the drawings in the description below are some embodiments of the utility model, and that other drawings can be obtained from them without inventive effort for a person skilled in the art; the positional relationships described in the drawings in the following description are based on the orientation of the elements shown in the drawings unless otherwise specified.

FIG. 1 is a schematic diagram of a prior art logging sheave;

FIG. 2 is a schematic diagram of a multi-functional logging sheave;

FIG. 3 is an exploded schematic view of a multi-function logging sheave;

FIG. 4 is a schematic side exploded view of a multi-functional logging sheave;

FIG. 5 is a front view of the guide;

FIG. 6 is a schematic cross-sectional view of a guide;

FIG. 7 is a schematic diagram of an automated logging device;

FIG. 8 is a plot of a wireline tension monitoring profile detected by an automatic logging device;

FIG. 9 is an interface diagram of automated logging control software.

Reference numerals:

pulley assembly 100U type wire passing pulley 110 pulley support 120

Guide 130 measurement device 200 power supply 210

Connection device 240 of control module 230 of tension sensor 220

Bolt hole 241a and bolt 242 of connecting block 241

Photoelectric encoder 250 communication module 260 drive assembly 300

Gear set 310 first gear 311 second gear 312

Multifunctional logging pulley 1 with protective casing 400 and universal buckle 500

Ground pulley 2 cable winch 3 cable 4

Logging instrument 5 automated logging controller 6 logging instrument console 7

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model; the technical features designed in the different embodiments of the utility model described below can be combined with each other as long as they do not conflict with each other; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that all terms used in the present utility model (including technical terms and scientific terms) have the same meaning as commonly understood by one of ordinary skill in the art to which the present utility model belongs and are not to be construed as limiting the present utility model; it will be further understood that terms used herein should be interpreted as having a meaning that is consistent with their meaning in the context of this specification and the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

Fig. 1 is a schematic diagram of a well logging pulley in the prior art, where a compression wheel and a depth measuring wheel cooperate to compress a cable 4, so that the cable 4 is kept in a tight state, but contact areas between the cable 4 and the compression wheel and between the cable and the depth measuring wheel in the prior art are small, friction generated between the cable and the cable is small, after the cable is frozen or is stained with a well fluid lubricating liquid, friction between the well logging cable and the depth measuring wheel is small, and when the well logging cable suddenly moves, a slipping phenomenon tends to occur, so that inaccuracy in depth measurement may be caused, and well logging quality is affected.

The utility model provides a multifunctional logging pulley with tension measurement, which is shown in fig. 2 to 4 and comprises a pulley assembly 100 and a measuring device 200; the measuring device 200 is detachably connected to the pulley assembly 100.

The pulley assembly 100 includes a U-shaped wire passing pulley 110 and pulley supports 120, and preferably, two pulley supports 120 are detachably connected to two sides of the U-shaped wire passing pulley 110.

Preferably, in the present utility model, only one U-shaped wire passing pulley 110 is used, as shown in fig. 1, the cable 4 only bypasses one U-shaped wire passing pulley 110, so that the contact area between the cable 4 and the logging pulley is greatly increased, and the problem of inaccurate measurement results due to "slipping" between the cable 4 and the logging pulley caused by insufficient friction force is avoided.

In a preferred embodiment, the pulley support 120 has a first mounting hole, the U-shaped wire passing pulley 110 has a bearing ring for mounting a pulley bearing, the bearing ring is located at the center of the U-shaped wire passing pulley 110, and a pulley bearing is mounted inside the pulley assembly 100, and the pulley assembly 100 further includes a connecting shaft passing through the first mounting hole and the pulley bearing, so that the pulley support 120 and the U-shaped wire passing pulley 110 are rotatably connected.

The measuring device 200 comprises a power supply 210, a tension sensor 220, a connecting device 240 and a control module 230; the power supply 210 is fixed on the pulley support frame 120; the tension sensor 220 is positioned at the top of the pulley assembly 100 and is detachably connected with the pulley assembly 100 through a connecting device 240; the control module 230 is fixed on the pulley support frame 120; the power supply 210 is electrically connected with the tension sensor 220 and the control module 230, the tension sensor 220 is in communication connection with the control module 230, the power supply 210 provides power for the whole measuring device 200, the tension sensor 220 is used for measuring tension born by the multifunctional logging pulley 1, and the tension sensor 220 transmits collected tension information to the control module 230 through a data line.

As shown in fig. 4, the connection device 240 includes a connection block 241 and a bolt 242, the connection block 241 is detachably connected with the pulley support frame 120, and the bolt 242 is detachably connected with the tension sensor 220; specifically, the connection block 241 is provided with a bolt hole 241a, the bolt hole 241a penetrates from the bottom of the connection block 241 to the top of the connection block 241, and the bolt 242 penetrates through the bolt hole 241a from the bottom of the connection block 241 to be detachably connected with the tension sensor 220.

In addition, the connection block 241 is further provided with a connection hole, and the connection hole and the second installation hole on the pulley support frame 120 are detachably connected by a threaded nut structure, and it should be noted that the connection hole and the second installation hole are not limited to the threaded nut structure, and may be fixed by passing through the installation hole through a pin structure or a bolt structure.

Preferably, the tension sensor 220 is a DYLY-103 type tension sensor, has the measuring range of 0-1T, and has the excellent performances of response frequency of 10kHZ, output sensitivity of 2.0+/-10% mV/V, nonlinearity of 0.03% F.S. and the like, and has the advantages of quick response, high sensitivity, good linearity and high measurement precision. Meanwhile, the device can adapt to working environment of minus 20-20 ℃, is safe and overloaded by 150 percent and is limited and overloaded by 200 percent, can be used for all logging environments and has extremely high safety.

In addition, the existing logging pulleys can not accurately measure logging speed values and depth values, and safety accidents and logging quality problems are likely to occur. In another embodiment, the measuring device 200 of the multifunctional logging pulley 1 further includes a photoelectric encoder 250, where the photoelectric encoder 250 is electrically connected to the power supply 210, and the photoelectric encoder 250 is also communicatively connected to the control module 230, measures the logging speed value and the logging depth value through the photoelectric encoder 250, transmits the measured information to the control module 230, and the control module 230 collects the measured information and transmits the measured information to an external device through the communication module 260 in real time, so as to timely monitor the state of the measurement probe and the specific situation in the well, so as to timely cope with the emergency.

Preferably, the photoelectric encoder 250 is a PENON EB32B shaft sleeve type encoder, has the resolution of 3600PPR, can resist 50G/11ms impact, can continuously work in an environment of-20 ℃, has IP45 protection standard, has the characteristics of miniaturization, light weight and high precision, and has good mechanical damage resistance.

Preferably, the multifunctional logging pulley 1 further comprises a transmission assembly 300, wherein the transmission assembly 300 is in transmission connection with the photoelectric encoder 250 and the pulley assembly 100, is fixed on the pulley support frame 120, is in transmission connection with the pulley assembly 100 through the transmission assembly 300, and is used for measuring the falling speed and the reaching depth of the cable 4.

The transmission assembly 300 is in transmission connection with the pulley assembly 100; the pulley assembly 100 is in transmission connection with the transmission assembly 300 to drive the transmission assembly 300 to rotate.

Preferably, as shown in fig. 3, the transmission assembly 300 is a gear set 310, two end surfaces of the gear set 310 are respectively connected with the U-shaped wire passing pulley 110 and the pulley support frame 120, the gear set 310 comprises a first gear 311 and a second gear 312, the first gear 311 in the gear set 310 is sleeved with a bearing ring of the U-shaped wire passing pulley 110, the second gear 312 is fixedly connected with an output shaft of the photoelectric encoder 250, the U-shaped wire passing pulley 110 drives the first gear 311 to rotate, the first gear 311 drives the second gear 312 to rotate, the second gear 312 drives the output shaft to rotate, the photoelectric encoder 250 collects rotation data of rotation of the output shaft, the collected rotation data are further transmitted to the control module 230, and the control module 230 analyzes and processes the rotation data to obtain the descending speed and the logging depth of the cable 4.

In one embodiment, the measurement device 200 further includes a communication module 260, where the communication module 260 is electrically connected to the power supply 210 and is communicatively connected to the control module 230, and the communication module 260 sends the information collected by the control module 230 to an external device for sending the information to the external device.

The communication module 260 may be one or more of bluetooth communication, wireless communication, and LORA communication, and may be in communication connection with an external control device such as a computer, so as to implement information transmission.

Preferably, the wireless communication module is used in this embodiment, and the wireless communication module is an ATK-ESP2266 module, which supports IEEE 202.11b (up to 11 Mbps), IEEE 202.11g (up to 54 Mbps), IEEE 202.11n (up to HT20, MCS 7), and has a frequency range of 2.412GHz-2.424GHz, and a transmitting power of 11-12 dbm, and can continuously operate in an operating environment of 10% -90% RH at-40 ℃ to 25 ℃. The module passes FCCCE authentication, and has high reliability and stability.

In one embodiment, the pulley assembly 100 further includes a guide 130, as shown in fig. 5 and 6, the guide 130 has a semi-arc shape, a right trapezoid shape in cross section, and the guide 130 is located at the upper portion of the U-shaped wire passing pulley 110. Specifically, the longest right-angle side is connected with the pulley support frame 120, the trapezoid bevel edge is upward, as the direct trapezoid high side faces the direction of the U-shaped wire passing pulley 110, the longest right-angle side and the trapezoid high side can be detachably connected through a threaded nut structure, a pin structure or the like, and the longest right-angle side and the trapezoid high side can be fixedly connected together through welding. The guide 130 guides the cable 4 into the pulley groove when the cable 4 is pulled up by the slack state; at the end of the logging operation, the cable 4 is retracted, and when the cable 4 returns to the relaxed state, the guide 130 can prevent the cable 4 from falling out of the pulley groove, so that the final storage is facilitated. It should be noted that the cross section of the guide 130 is not limited to a right trapezoid, but may be a right triangle.

In an embodiment, the multifunctional logging pulley 1 is further provided with a protective housing 400, the protective housing 400 is detachably connected with the pulley support frames 120, and each pulley support frame 120 is externally connected with a protective housing 400 for protecting the pulley assembly 100 and the measuring device 200 from damage caused by external force to the multifunctional logging pulley 1 in the measuring process.

In an embodiment, the multifunctional logging pulley 1 further comprises a universal buckle 500, and the lower end of the universal buckle 500 is connected with the tension sensor 220, so that the multifunctional logging pulley 1 is convenient to be lifted to be used as a crown block; after the use is finished, the multifunctional logging pulley 1 is conveniently reset, can be directly hung for storage, does not occupy storage space, and is convenient to find.

Preferably, as shown in fig. 3 and 4, the power supply 210 and the photoelectric encoder 250 are respectively connected to two different pulley supports 120, and the control module 230 and the communication module 260 are also respectively located at two sides of the different pulley supports 120, so that the installation is to ensure that the weight of the devices carried at two sides of the pulley is the same, and the pulley will not incline during the working process.

Specifically, during logging operation, the upper end of the multifunctional logging pulley 1 is suspended on the drilling machine lifter through a universal hanging buckle, an operator connects the logging cable 4 with the logging instrument 5 and then drops the logging cable into the drilling well around the U-shaped wire passing pulley 110 to perform logging data acquisition, when the logging instrument 5 is lowered or lifted up, the movement of the cable 4 drives the U-shaped wire passing pulley 110 to rotate, the rotation of the U-shaped wire passing pulley 110 further drives the gear set 310 to rotate, the photoelectric encoder 250 is further driven to rotate, accordingly, A/B high-low level signals are generated, the A/B high-low level signals are transmitted to the control module 230 through a data wire to be analyzed and processed, digital information such as logging speed values and depth values is formed, and the digital information is transmitted to external equipment through the communication module 260 in real time.

In the logging operation process, the weight of the logging instrument 5, the self weight operation of the logging cable 4 and the cable 4 form a certain tension value, the tension value is applied to the logging pulley operation and the tension sensor 220 by the action of the force applied to the tension sensor 220 to generate a current signal with a corresponding magnitude, the current signal is transmitted to the control circuit board through the data line to be analyzed and processed, a corresponding tension value digital information is formed, and the current signal is further transmitted to external equipment in real time through the communication module 260.

The utility model integrates an optical pulse encoder, a tension sensor 220, a communication module 260 and the like on the multifunctional logging pulley 1, so that the multifunctional logging pulley integrates the functions of logging depth measurement, cable tension monitoring, the multifunctional logging pulley 1 and the like, and adopts a WI FI wireless communication mode to transmit data; the multifunctional logging pulley 1 provided by the utility model is used as a crown block in logging operation, and can be used for measuring a logging cable tension value, a logging speed, a logging depth value and the like in real time, so that the running state of the logging instrument 5 in the pit can be accurately judged, and the accurate logging speed value, the accurate logging depth value, the accurate logging cable tension value and the like are timely transmitted to external equipment for display and processing in real time through a WI FI wireless communication mode, so that key parameters are provided for automatic logging operation, logging quality is ensured, and safety accidents are effectively prevented.

The utility model also provides an automatic logging device, as shown in fig. 7, which comprises a logging operation control system, a logging data acquisition system, a ground pulley 2, a logging instrument 5, a cable winch 3 and a cable 4; the logging operation control system and the logging data acquisition system are in communication connection, the logging operation control system and the logging data acquisition system are in wired communication connection with the cable winch 3, one end of a cable 4 is coiled on the cable winch 3, and the other end of the cable 4 sequentially passes through the ground pulley 2 and the multifunctional logging pulley 1 and then is connected with the logging instrument 5. A plot of the wireline tension monitoring detected by the automated logging device is shown in fig. 8.

The logging operation control system comprises the multifunctional logging pulley 1, the automatic logging controller 6 and the automatic logging control software; the multifunctional logging pulley 1 is in wireless communication connection with the automatic logging controller 6, and the automatic logging controller 6 and the automatic logging control software can be in wireless communication connection or in wired communication connection.

The multifunctional logging pulley 1 is hung to be used as a crown block, is connected with the ground pulley 2 through a cable 4, and the ground pulley 2 is fixed on the ground and is directly connected with the cable winch 3 through the cable.

The automatic logging controller 6 receives the pulling force and depth information from the multifunctional logging pulley 1 through a wireless communication mode, obtains pulling force information (logging cable pulling force value) received by the pulling force sensor 220, displacement information (logging depth) and speed information (logging speed) generated by the photoelectric encoder 250 and the like through certain calculation, performs state display and operation state control of the cable winch 3, displays information such as logging cable pulling force value, logging speed and logging depth in real time, and can accurately control the operation state of the logging cable winch 3 in the logging operation process through the control buttons. The logging operation is controlled by an automatic logging controller 6 mainly through two control ways of hardware and software, and specifically comprises the following steps:

a hardware control mode; in the mode, equipment such as a computer is not required to be connected, and logging operators can accurately control the running state of the logging cable winch 3 (lifting, stopping, lowering and the like) by directly controlling buttons or knobs on a control panel, so that the operators can control the state of the underground probe in real time and make proper adjustment. Technicians must be on duty all the time in the logging operation process, so that accidents are prevented.

A software control mode; fig. 9 is an interface of an automatic logging control software, and a computer must be connected to the interface in the mode, man-machine interaction management is performed by the automatic logging control software installed on the computer, the operation state of the cable winch 3 is manually controlled or automatically controlled by the software, and corresponding calibration parameters and control parameters can also be input by the software, so that manual control, semi-automatic control, full-automatic control and the like of logging operation can be realized respectively. When in manual control, operators must watch all the time, observe the information such as cable tension, logging speed value and depth value, and manually control the running state of the cable winch 3 through software; the semi-automatic control of logging operation can be realized when logging cable tension monitoring is preset and started, an operator only needs to control and adjust the running speed of the cable winch 3 through software according to logging quality requirements, when the down-hole probe is blocked or the down-hole probe is lifted up to a blocked state, the software can automatically control the cable winch 3 to automatically stop, so that safety accidents and the like are prevented; meanwhile, cable tension monitoring parameters, logging control parameters and the like are preset, full-automatic control of logging operation can be realized after the logging operation is started, a technician is not required to watch in the process, and the running state of the logging cable winch 3 is automatically controlled by software.

The automatic logging control software is developed and completed based on a M i crosoft Vi sua l Stud i o 2019 (VS) platform, and under the NET framework 4.6 framework, a C# programming language is adopted for programming a software interface; and C++ is adopted to write a software algorithm part, and a dynamic link library related to a logging algorithm is created. In the software running process, the sampling standard USB interface is in real-time communication connection with the automatic logging controller 6 to realize man-machine interaction management, and the man-machine interaction management is mainly divided into 4 areas such as a menu bar, a control area, a graph display area, a status bar and the like.

The main function of the software is to measure and record the change condition of the tension value of the logging cable and the current logging speed value, logging depth value and other information according to time in the logging operation process, thereby indirectly grasping the running state of the underground exploratory tube, and automatically adjusting and controlling the logging interval and speed according to the set target when the running state is normal so as to improve the logging efficiency and quality; when the down-hole exploratory tube is in abnormal states such as blocked or bottoming, and lifting up to meet a card, a stop instruction can be timely sent out, so that accidents caused by continuous overload operation of the logging winch are avoided.

The automatic logging control software controls logging operations in two modes, namely a manual control mode and an automatic control mode, when the manual control mode is adopted, an operator needs to watch for time, the logging speed, the logging direction, the cable tension monitoring on or off and other functions are adjusted in real time by clicking corresponding function buttons in the control software, and logging operations are completed in a manual control mode or a semi-automatic control mode (logging cable tension monitoring and automatic shutdown control are adopted to avoid accidents); in the automatic control mode, an operator only needs to preset corresponding logging control parameters, cable tension monitoring parameters and the like, and can leave the control area after starting (without being on duty), the whole process is automatically controlled by software, and the operator can confirm that the data is stored without errors.

Specifically, the wireless module of the multifunctional logging pulley 1 is in wireless communication connection with the automatic logging controller 6, and the multifunctional logging pulley 1 detects the moving speed and direction of the cable line 4, the tension value received by the cable line 4 and the like and transmits the detected moving speed and direction and tension value to the automatic logging controller 6; transmitting the information acquired by the measuring device 200 to the automated logging controller 6; the automatic logging controller 6 and the automatic logging control software are connected with the cable winch 3 in a wired communication manner, and the control software controls the running state of the cable winch 3, so that the movement of the cable 4 and the logging instrument 5 is controlled, namely the lifting, the lowering, the stopping and the movement speed of the logging instrument 5 are controlled.

The logging data acquisition system comprises a logging instrument operation table, a cable and logging data acquisition software, wherein the logging instrument 5 is connected with the logging data acquisition system through cable communication, and the logging instrument operation table is connected with the logging data acquisition software through wired communication. The logging instrument 5 collects downhole data, the cable transmits information detected by the logging instrument 5 to the logging instrument operation table 7, the logging instrument operation table 7 is connected and matched with collecting software on a computer, and logging depth values and logging values (resistivity, gamma intensity values and the like) are measured and recorded according to time.

The multifunctional logging sheave 1 is used for monitoring the running state of a logging cable, and the logging instrument 5 is used for detecting a logging value of a stratum, such as resistivity value or gamma intensity value of the stratum.

Furthermore, the automatic logging control software and the logging data acquisition software can be two different control software on one computer, and of course, the two systems can be respectively installed on the two computers for respective control; alternatively, it may be programmed as a control software by an algorithm.

Further, the cable is a data line capable of transmitting data of the logging tool 5 to the logging tool console 7 on the ground, and is wrapped inside the cable 4, so that the situation that the individual cable cannot bear the gravity of the logging tool 5 and is broken or damaged by external force can be prevented, and the cable 4 is preferably made of steel wire, but not limited to steel wire, and can also be a fiber rope, a hemp rope and the like.

In addition, it should be understood by those skilled in the art that although many problems exist in the prior art, each embodiment or technical solution of the present utility model may be modified in only one or several respects, without having to solve all technical problems listed in the prior art or the background art at the same time. Those skilled in the art will understand that nothing in one claim should be taken as a limitation on that claim.

Although terms such as pulley assembly, measuring device, pulley support frame, connecting device, transmission assembly, control module, communication module, etc. are used more herein, the possibility of using other terms is not precluded. These terms are used merely for convenience in describing and explaining the nature of the utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model; the terms first, second, and the like in the description and in the claims of embodiments of the utility model and in the above-described figures, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (10)

1. A multi-functional logging pulley with tension measurement, its characterized in that: comprising

The pulley assembly comprises a U-shaped wire passing pulley and a pulley support frame, and the pulley support frame is rotatably connected with the U-shaped wire passing pulley;

the measuring device comprises a power supply, a tension sensor, a connecting device and a control module; the power supply is fixed on the pulley support frame and used for providing power for the measuring device; the tension sensor is positioned at the top of the pulley assembly and is detachably connected with the pulley assembly through the connecting device, and the tension sensor is used for measuring the tension born by the multifunctional logging pulley; the control module is fixed on the pulley support frame and used for receiving and processing the acquired information; the power supply is respectively and electrically connected with the tension sensor and the control module, and the tension sensor is in communication connection with the control module.

2. The multi-function logging sheave with tension measurement of claim 1, wherein: the pulley assembly further comprises a guide piece, and the guide piece is located on the upper portion of the U-shaped wire passing pulley and connected with the pulley support frame.

3. The multi-function logging sheave with tension measurement of claim 2, wherein: the shape of the guide piece is a semi-arc shape matched with the U-shaped wire passing pulley, and the arc-shaped diameter of the guide piece is larger than the diameter of the U-shaped wire passing pulley.

4. The multi-function logging sheave with tension measurement of claim 1, wherein: the multifunctional logging pulley also comprises a transmission assembly, and the pulley assembly is in transmission connection with the transmission assembly and is used for driving the transmission assembly to rotate;

the measuring device further comprises a photoelectric encoder, wherein the photoelectric encoder is fixed on the pulley support frame and is in transmission connection with the pulley assembly through the transmission assembly, and is used for collecting rotation data of rotation of the pulley assembly; the photoelectric encoder is electrically connected with the power supply and is also in communication connection with the control module, and the photoelectric encoder is used for transmitting the collected rotation data to the control module.

5. The multi-function logging sheave with tension measurement of claim 4, wherein: the transmission assembly is a gear set, the gear set comprises a first gear and a second gear, the first gear is meshed with the second gear, the first gear is sleeved on the U-shaped wire passing pulley, the second gear is fixedly connected with an output shaft of the photoelectric encoder, and the U-shaped wire passing pulley rotates to drive the gear set to rotate so as to drive the photoelectric encoder to rotate.

6. The multi-function logging sheave with tension measurement of claim 1, wherein: the measuring device further comprises a communication module, wherein the communication module is respectively and electrically connected with the power supply and the control module and is used for sending information to external equipment.

7. The multi-function logging sheave with tension measurement of claim 1, wherein: the connecting device comprises a connecting block and bolts, wherein the connecting block is provided with bolt holes, the bolt holes penetrate through the top of the connecting block to the bottom of the connecting block, the bolts upwards penetrate through the top of the bolt holes from the bottom of the connecting block to be detachably connected with the tension sensor, and the connecting block is detachably connected with the pulley support frame.

8. The multi-function logging sheave with tension measurement of claim 1, wherein: the multifunctional logging pulley is further provided with a protective shell, and the protective shell is detachably connected with the pulley support frame and used for protecting the pulley assembly and the measuring device.

9. The multi-function logging sheave with tension measurement of claim 1, wherein: the multifunctional logging pulley further comprises a universal buckle, and the bottom end of the universal buckle is connected with the tension sensor.

10. An automatic logging device, characterized in that: the system comprises a logging operation control system, a logging data acquisition system, a land roller, a logging instrument, a cable winch and a cable; the logging operation control system comprising a multi-function logging sheave with tension measurements as defined in any one of claims 1-9;

the logging operation control system is in communication connection with the logging data acquisition system, and well logging depth values and speed values are shared; the logging operation control system is in communication connection with the cable winch and is used for controlling the cable winch to transmit and receive the cable; the logging data acquisition system is in communication connection with the cable winch and is used for acquiring logging instrument information; one end of the cable is coiled on the cable winch, and the other end of the cable sequentially passes through the ground pulley and the multifunctional logging pulley with tension measurement and then is connected with the logging instrument.