CN202970687U - Storage type well logging system - Google Patents
Storage type well logging system Download PDFInfo
- Publication number
- CN202970687U CN202970687U CN 201220665134 CN201220665134U CN202970687U CN 202970687 U CN202970687 U CN 202970687U CN 201220665134 CN201220665134 CN 201220665134 CN 201220665134 U CN201220665134 U CN 201220665134U CN 202970687 U CN202970687 U CN 202970687U
- Authority
- CN
- China
- Prior art keywords
- module
- connects
- storage type
- hole diameter
- signal acquisition
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model belongs to the filed of exploration and measurement and particularly relates to a storage type well logging system which comprises a ground system and a downhole instrument. The well logging system is arranged inside the downhole instrument and comprises a storage, a position signal collecting module and a hole diameter signal collecting module, the storage, the position signal collecting module and the hole diameter signal collecting module are all connected with a main control module, the position signal collecting module is connected with a position sensor, the hole diameter signal collecting module is connected with a hole diameter sensor, and a power source respectively provides electricity for the main control module, the storage, the position signal collecting module and the hole diameter signal collecting module through a power management module. The storage type well logging system breaks through a thought that well logging data is transferred by conventional cables, and solves the well logging problems under difficult conditions by adoption of a storage type instrument.
Description
Technical field
The utility model belongs to the Reconnaissance Survey field, is specially a kind of storage type logging system.
Background technology
At present under the oil well logging most wells, the apparatus measures mode is to change the signal of non-electricity into the signal of telecommunication by sensor, is uploaded to the ground decoding by cable after treatment, explains for the ground technician.Adopt the wired mode the transmission of data, exist cable heavy, fragile, be subject to the impact that electromagnetic interference, signal are transmitted the problem such as far away.Particularly at high angle hole, in the well of high pressure, can't the shaft bottom will be arrived under logger.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, and a kind of storage type logging system is provided, and it has broken through the thinking of normal cable transmission log data, adopts overcome a difficulty logging problems under condition of memory-type instrument.
For realizing above-mentioned technical purpose, the scheme that the utility model provides is: a kind of storage type logging system, comprise ground system and downhole instrument, the built-in logging system of downhole instrument, described logging system comprises memory, bearing signal acquisition module and the hole diameter signal acquisition module that all connects with main control module, the bearing signal acquisition module connects with aspect sensor, the hole diameter signal acquisition module connects with hole diameter sensor, and power supply is respectively main control module, memory, bearing signal acquisition module and the power supply of hole diameter signal acquisition module by power management module.
And described main control module is communicated by letter by the SPI interface mode with memory.
And, described main control module comprises microcontroller, this microcontroller connects respectively crystal oscillating circuit, real-time timepiece chip, reset circuit, AD conversion chip, jtag circuit and SPI interface circuit, the AD conversion chip connects bearing signal acquisition module and hole diameter signal acquisition module, microcontroller connected networks interface circuit.
And described microcontroller is ARM7.。
And described network interface circuit comprises network transceiving chip and the network transformer that connects by build-out resistor, and build-out resistor connects filter capacitor, and the network transceiving chip connects main control module.
And described hole diameter signal acquisition module comprises overvoltage protector, current source chip and the low pass filter that connects with Port Multiplier respectively, and low pass filter connects with stabilizator through divider, and overvoltage protector connects potentiometer, and Port Multiplier connects with main control module.
And; described power management module comprises startup module, overvoltage protector, overcurrent protector, DC/DC module, electric current and voltage detection module and overcurrent tripping protection device; start module and connect the electric current and voltage detection module by overvoltage protector parallel with one another and overcurrent protector; the electric current and voltage detection module connects overcurrent tripping protection device by the DC/DC module, and the electric current and voltage detection module is controlled and started module.
And described ground system comprises terrestrial interface box, depth system and the printer that connects with computer respectively, and the terrestrial interface box connects downhole instrument.
And described downhole instrument has many support arms, and every support arm comprises upper branch arm and lower branch arm, and upper branch arm is supported by cylindrically coiled spring, and cylindrically coiled spring is placed in casing assembly; The in-built elastic component of lower branch arm, an end of lower branch arm is fixed on casing assembly, and its other end is connected with upper branch arm; In casing assembly and be positioned at the cylindrically coiled spring upper end potentiometer assembly is set; Casing assembly is connected with logging instrument by top connection or lower contact.
The utlity model has following advantage: 1, reasonable in design, compact conformation is exquisite; 2, system adopts high-quality device and program curing module, has system run all right and reliability preferably.3, compatible pull-up is measured and down-push type measurement dual mode, and the scope of application is wider; 4, certainty of measurement is high, adopts the constant current mode acquisition mode, and high-precision AD conversion has improved certainty of measurement and temperature.5, can log well separately and also can log well together with other logging instruments, more practical; 6, adopt powered battery, need not cable, reduced logging cost, Active workings is little, ground installation only needs multiduty well testing winch, a piano wire and the notebook of memory-type calliper log software is housed; 7, can carry out safely logging operation under abominable logging environment, have in hp-ht well and well in the well of high concentration hazardous gas, the memory-type caliper logging tool adopts the piano wire well logging, and is safe; 8, after well logging is completed, can in the well site playback result that goes out to log well, in time estimate.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is logging system structured flowchart of the present utility model.
Fig. 3 is the structured flowchart of main control module in logging system.
Fig. 4 is the structured flowchart of network interface circuit in logging system.
Fig. 5 is the structured flowchart of hole diameter signal acquisition module in logging system.
Fig. 6 is the structured flowchart of power management module in logging system.
Fig. 7 is the support arm structure schematic diagram of the utility model downhole instrument.
Wherein, 1, logging instrument, 2, top connection, 3, the potentiometer assembly, 4, casing assembly, 5, cylindrically coiled spring, 6, upper branch arm, 7, leaf spring, 8, lower branch arm, 9, lower contact.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
The present embodiment provides a kind of storage type logging system, as shown in Figure 1, comprise ground system and downhole instrument, the built-in logging system of downhole instrument, as shown in Figure 2, described logging system comprises memory, bearing signal acquisition module and the hole diameter signal acquisition module that all connects with main control module, the bearing signal acquisition module connects with aspect sensor, the hole diameter signal acquisition module connects with hole diameter sensor, and power supply is respectively main control module, memory, bearing signal acquisition module and the power supply of hole diameter signal acquisition module by power management module.
Further, above-mentioned main control module is communicated by letter by the SPI interface mode with memory.
Further, as shown in Figure 3, above-mentioned main control module comprises microcontroller, this microcontroller connects respectively crystal oscillating circuit, real-time timepiece chip, reset circuit, AD conversion chip, jtag circuit and SPI interface circuit, the AD conversion chip connects bearing signal acquisition module and hole diameter signal acquisition module, microcontroller connected networks interface circuit.
Further, above-mentioned microcontroller is ARM7.
The SPI interface circuit is realized the storage of data.Microcontroller ARM7 is as main frame, and memory carries out communication in the SPI mode as slave between them.The SPI_MISO of microcontroller, SPI_MOSI, SPI_SPCK, SPI_NPCS0 are connected with MISO, MOSI, SCK, the CS of memory respectively.Microcontroller carries out the storage of data and reads according to the order of memory.
The AD conversion chip is the data signal of 16 with analog signal conversion, reads for microcontroller ARM7.The analog signal that enters into the AD chip has hole diameter signal and bearing signal, and azimuth information is measured by aspect sensor.
Further, as shown in Figure 4, above-mentioned network interface circuit comprises network transceiving chip and the network transformer that connects by build-out resistor, and build-out resistor connects filter capacitor, and the network transceiving chip connects main control module.
Network interface circuit realizes that the data on memory read.After well logging was completed, the interface that separate, stored formula caliper logging tool and ground system articulate was network interface.
Further; as shown in Figure 5, above-mentioned hole diameter signal acquisition module comprises overvoltage protector, current source chip and the low pass filter that connects with Port Multiplier respectively, and low pass filter connects with stabilizator through divider; overvoltage protector connects potentiometer, and Port Multiplier connects with main control module.
Constant pressure type is generally adopted in traditional caliper logging, and the hole diameter collection is to be added on potentiometer by a constant pressure source, and the magnitude of voltage of centre tap collection has represented the size that hole diameter opens.The utility model adopts constant current mode, on precision, larger variation arranged on stability.The hole diameter signal acquisition module sends respectively stable 1mA electric current to potentiometer by the down-hole constant-current source, and potentiometric voltage input is connected with seven zener diodes, and the voltage stabilizing value of this diode is+5V to have the function that prevents abnormal conditions overtension damage circuit.Seven road magnitudes of voltage connect the multi channel selecting chips, and this chip has eight road gatings, at every turn can only the single channel gating, and gating signal is A0 ~ A2, this signal is sent by microcontroller, and each one the tunnel.The selected input output pin is the octal of chip, and this pin connects the output of constant-current source, and power supply is delivered to the potentiometer of hole diameter by this pin, simultaneously this pin with follow circuit in the positive pole of amplifier be connected.Output after following connects low pass filter.Low pass filter is made of the second-order low-pass filter circuit, comprises two high-operational amplifiers, and filter capacitor moves back lotus root electric capacity, divider resistance, Zener diode.Can record accurately the orientation of each hole diameter in when well logging, 0～360 ° of azimuth coverage.
Further; as shown in Figure 6; above-mentioned power management module comprises startup module, overvoltage protector, overcurrent protector, DC/DC module, electric current and voltage detection module and overcurrent tripping protection device; start module and connect the electric current and voltage detection module by overvoltage protector parallel with one another and overcurrent protector; the electric current and voltage detection module connects overcurrent tripping protection device by the DC/DC module, and the electric current and voltage detection module is controlled and started module.
Start module and be comprised of high power switch, when needs were logged well, outside giving started module for power supply, starts the switch conduction of inside modules, allowed the electric current of lithium battery to enter power management module.Simultaneously the electric current and voltage detection module is connected on the ohmically magnitude of voltage of detection in testing circuit by detection, this magnitude of voltage is carried out real-time sampling, if supply current is over calibration value or lower than calibration value, the high-power MOS tube in cut-off startup module with the supply access of blocking-up lithium battery, is guaranteed to enter into power management module without the voltage that exceeds standard, electric current by circuit.
The DC/DC module is that the voltage transitions with lithium battery is downhole instrument circuit required voltage value.The electronic circuit required voltage of downhole instrument is different, therefore need to carry out step-down by the DC/DC module and process, three kinds of voltage: ± 12V of DC/DC output ,+5V.± 12V powers to each amplifier in main control module, bearing signal acquisition module, hole diameter signal acquisition module and AD conversion chip, and+5V powers to the microcontroller ARM7 in main control module.
Further, above-mentioned ground system comprises terrestrial interface box, depth system and the printer that connects with computer respectively, and the terrestrial interface box connects downhole instrument.After well logging finished, ground-based computer was connected with downhole instrument by communication interface.With log data playback and processing in memory, provide curve or the data that meet normal cable well logging custom by Logging Software for the user by interpretation software.
Further, above-mentioned downhole instrument has many support arms, and every support arm comprises upper branch arm 6 and lower branch arm 8, and upper branch arm 6 is supported by cylindrically coiled spring 5, and cylindrically coiled spring 5 is placed in casing assembly 4; The in-built elastic component of lower branch arm 8, this elastic component can be leaf springs 7, and an end of lower branch arm 8 is fixed on casing assembly 4, and its other end is connected with upper branch arm 6; In casing assembly 4 and be positioned at cylindrically coiled spring 5 upper ends potentiometer assembly 3 is set; Casing assembly 4 is connected with logging instrument 1 by top connection 2 or lower contact 9.Realize bidirectional measurement, but can measure also down-push type measurement to pull-up, be applicable to horizontal well, high angle hole etc.
Measure simultaneously the well radius of the six direction that differs 60 ° in same level, can obtain well track and wellbore shape, hold the information such as the borehole wall subsides.Adopt line design, conveniently be articulated in the system optional position.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (9)
1. storage type logging system, comprise ground system and downhole instrument, the built-in logging system of downhole instrument, it is characterized in that: described logging system comprises memory, bearing signal acquisition module and the hole diameter signal acquisition module that all connects with main control module, the bearing signal acquisition module connects with aspect sensor, the hole diameter signal acquisition module connects with hole diameter sensor, and power supply is respectively main control module, memory, bearing signal acquisition module and the power supply of hole diameter signal acquisition module by power management module.
2. a kind of storage type logging according to claim 1 system, it is characterized in that: described main control module is communicated by letter by the SPI interface mode with memory.
3. a kind of storage type logging according to claim 2 system, it is characterized in that: described main control module comprises microcontroller, this microcontroller connects respectively crystal oscillating circuit, real-time timepiece chip, reset circuit, AD conversion chip, jtag circuit and SPI interface circuit, the AD conversion chip connects bearing signal acquisition module and hole diameter signal acquisition module, microcontroller connected networks interface circuit.
4. a kind of storage type logging according to claim 3 system, it is characterized in that: described microcontroller is ARM7.
5. a kind of storage type logging according to claim 1 system, it is characterized in that: described network interface circuit comprises network transceiving chip and the network transformer that connects by build-out resistor, build-out resistor connects filter capacitor, and the network transceiving chip connects main control module.
6. a kind of storage type logging according to claim 1 system; it is characterized in that: described hole diameter signal acquisition module comprises overvoltage protector, current source chip and the low pass filter that connects with Port Multiplier respectively; low pass filter connects with stabilizator through divider; overvoltage protector connects potentiometer, and Port Multiplier connects with main control module.
7. a kind of storage type logging according to claim 1 system; it is characterized in that: described power management module comprises startup module, overvoltage protector, overcurrent protector, DC/DC module, electric current and voltage detection module and overcurrent tripping protection device; start module and connect the electric current and voltage detection module by overvoltage protector parallel with one another and overcurrent protector; the electric current and voltage detection module connects overcurrent tripping protection device by the DC/DC module, and the electric current and voltage detection module is controlled and started module.
8. a kind of storage type logging according to claim 1 system, it is characterized in that: described ground system comprises terrestrial interface box, depth system and the printer that connects with computer respectively, the terrestrial interface box connects downhole instrument.
9. a kind of storage type logging according to claim 1 system, it is characterized in that: described downhole instrument has many support arms, and every support arm comprises upper branch arm and lower branch arm, and upper branch arm is supported by cylindrically coiled spring, and cylindrically coiled spring is placed in casing assembly; The in-built elastic component of lower branch arm, an end of lower branch arm is fixed on casing assembly, and its other end is connected with upper branch arm; In casing assembly and be positioned at the cylindrically coiled spring upper end potentiometer assembly is set; Casing assembly is connected with logging instrument by top connection or lower contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220665134 CN202970687U (en) | 2012-12-06 | 2012-12-06 | Storage type well logging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220665134 CN202970687U (en) | 2012-12-06 | 2012-12-06 | Storage type well logging system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202970687U true CN202970687U (en) | 2013-06-05 |
Family
ID=48511774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220665134 Expired - Fee Related CN202970687U (en) | 2012-12-06 | 2012-12-06 | Storage type well logging system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202970687U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102979515A (en) * | 2012-12-06 | 2013-03-20 | 武汉海阔科技有限公司 | Storage logging system |
| CN104500036A (en) * | 2014-11-02 | 2015-04-08 | 中国石油集团钻井工程技术研究院 | Method and device for dynamically measuring hole deviation and toolface angle in condition of small hole deviation |
| CN107476801A (en) * | 2017-08-17 | 2017-12-15 | 江浩 | The identifying system and method for a kind of boring behavior |
-
2012
- 2012-12-06 CN CN 201220665134 patent/CN202970687U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102979515A (en) * | 2012-12-06 | 2013-03-20 | 武汉海阔科技有限公司 | Storage logging system |
| CN102979515B (en) * | 2012-12-06 | 2015-06-24 | 武汉海阔科技有限公司 | Storage logging system |
| CN104500036A (en) * | 2014-11-02 | 2015-04-08 | 中国石油集团钻井工程技术研究院 | Method and device for dynamically measuring hole deviation and toolface angle in condition of small hole deviation |
| CN104500036B (en) * | 2014-11-02 | 2017-11-10 | 中国石油集团钻井工程技术研究院 | A kind of method and device for being applied to dynamic measurement in hole deviation tool face azimuth under The Small Well slanted bar part |
| CN107476801A (en) * | 2017-08-17 | 2017-12-15 | 江浩 | The identifying system and method for a kind of boring behavior |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107313768B (en) | Near-bit measuring instrument with gamma measuring function | |
| CN204827427U (en) | Mining drilling orbit is along with boring measurement system | |
| CN102797454A (en) | Tester for oilfield eccentric separate injection well and long-time real-time working condition monitoring method | |
| CN202970687U (en) | Storage type well logging system | |
| CN101603420B (en) | Method and device for telemetering torque moment of drill stem | |
| CN204782986U (en) | Ultra-temperature drilling track deviational survey subassembly device | |
| CN106154030A (en) | A kind of intelligent electric meter and data encryption and transmission method thereof | |
| CN202611685U (en) | Gyro attitude measuring instrument for combination logging | |
| CN201620882U (en) | Permanent pressure measurement system | |
| CN106368680B (en) | Wireless measurement while drilling device | |
| CN102979515B (en) | Storage logging system | |
| CN106321079B (en) | Rotary test nipple for measurement while drilling instrument | |
| CN202066609U (en) | Combined intelligent temperature polling device | |
| CN203632664U (en) | Portable fault detector for remote power-collecting system equipment | |
| CN206144555U (en) | Wireless test nipple joint | |
| CN201917406U (en) | Wireless temperature measuring sensor for high-voltage aerial cable connector | |
| CN204804816U (en) | Parameter appearance is synthesized to oil field rig safety | |
| CN201707390U (en) | Power line safety monitor with ZIGBEE wireless communication function | |
| CN204304614U (en) | I type electric energy efficiency office terminal and system | |
| CN203050673U (en) | High temperature resisting steam injection multiparameter logging instrument | |
| CN206144558U (en) | A rotation test device for following bore measuring instrument | |
| CN206144554U (en) | It is wireless along with boring testing arrangement | |
| CN207488508U (en) | Ground built-in screw type untethered node wideband monitoring device entirely | |
| CN206862875U (en) | Laser methane sensor | |
| CN105844882B (en) | Integrated temperature measuring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130605 Termination date: 20151206 |
|
| EXPY | Termination of patent right or utility model |