CN211777347U - Underground pressure acquisition device of oil extraction machine - Google Patents
Underground pressure acquisition device of oil extraction machine Download PDFInfo
- Publication number
- CN211777347U CN211777347U CN202020370325.XU CN202020370325U CN211777347U CN 211777347 U CN211777347 U CN 211777347U CN 202020370325 U CN202020370325 U CN 202020370325U CN 211777347 U CN211777347 U CN 211777347U
- Authority
- CN
- China
- Prior art keywords
- signal
- battery
- circuit module
- voltage
- cpu module
- 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
Landscapes
- Earth Drilling (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The utility model belongs to the technical field of the pressure acquisition in the oil recovery machine well, concrete technical scheme is: the underground pressure acquisition device of the oil extraction machine comprises a metal drill rod, an acquisition end is arranged on a drilling end of the metal drill rod and comprises a battery, the battery is connected with a voltage reduction circuit module, the voltage reduction circuit module respectively supplies power to a temperature sensor, a pressure sensor and a CPU module, the battery is connected with a voltage boosting circuit module, the voltage boosting circuit module supplies power to a signal amplifier, the temperature sensor transmits acquired underground temperature data to the CPU module, the pressure sensor transmits the acquired underground pressure data to the CPU module, the CPU module transmits signals to the signal amplifier in a digital voltage pulse mode, and the signals of the signal amplifier pass through a signal anode contact, the metal drill pipe spreads out, and this device has abandoned the metal armor communication cable of current sensor, greatly reduced the cost, prolonged the sensor life-span, further ensures the high-efficient steady operation of oil recovery machine.
Description
Technical Field
The utility model belongs to the technical field of the pressure acquisition in the oil recovery machine well, concretely relates to be applied to pressure acquisition in pit device of oil recovery machine.
Background
If the working period of the oil extraction machine cannot be dynamically adjusted according to the underground pressure during the operation of the oil extraction machine, when the underground oil and gas pressure is low, the electric power is wasted, and even a gas well is damaged.
In most existing oil extraction machines, underground oil and gas pressure is calculated by means of load sensors of overground mechanical parts of the oil extraction machines and loads of the oil extraction machines. The indirect mode cannot know the accurate pressure in the well, and cannot eliminate the abnormal interference condition that the mechanical resistance of the oil extraction machine is increased to cause the load increase.
In recent years, a downhole oil and gas pressure sensor of an oil extraction machine appears internationally and domestically, and the sensor can transmit downhole oil and gas pressure to a ground oil extraction machine controller and then adjust the working period of a variable frequency motor of the oil extraction machine according to the downhole pressure. The principle of continuous, stable and slow drainage and mining is achieved, reasonable production pressure difference is kept, the coal bed gas pressure reduction funnel is fully diffused to the periphery, and the potential of the coal bed gas well is exerted to the maximum extent; meanwhile, the energy consumption of unit production of the oil extraction machine is saved, the recovery ratio is improved, and the system efficiency is improved; the liquid discharge speed can also be dynamically controlled.
However, the metal armored communication cable adopted by the oil extraction machine downhole oil and gas pressure sensor is expensive, the average selling price is 130-300 yuan/m, the vertical shaft depth of the oil extraction machine is high, the armored cable is caused, and the purchase cost of a single cable is up to thousands of yuan. And the armored cable is laid along the wall of the vertical shaft of the oil extraction machine, the armored cable is easily worn or even broken in the shaking process of the central shaft component of the oil extraction machine, the whole cable is scrapped and laid again as long as one cable is broken, the oil extraction machine must be stopped, and the economic loss and the sensor purchase cost of the stop are up to tens of thousands of yuan.
With the development of the MEMS sensor technology, the general application of high-temperature resistant batteries and the application of the power carrier technology, a feasible carrier communication technology is expected to be found, an armored cable can be omitted, and the application defects and high replacement cost of the existing sensor are thoroughly solved.
SUMMERY OF THE UTILITY MODEL
For the armor cable that solves prior art existence lays with high costs, maintenance time is long, the high technical problem of maintenance cost, the utility model provides a be applied to the pressure acquisition device in oil recovery machine well, with low costs, the operation is stable, maintains portably, long service life.
In order to achieve the above object, the utility model adopts the following technical scheme: the underground pressure acquisition device of the oil extraction machine comprises a metal drill rod, wherein the metal drill rod is drilled into a medium, an acquisition end is arranged on the drilling end of the metal drill rod, the acquisition end comprises a battery which is a disposable high-temperature-resistant high-energy battery, and the voltage is 7.4-8.4 VDC.
The first output end of the battery is connected with the voltage reduction circuit module, the voltage reduction circuit module reduces the voltage provided by the battery to 3.3V, and the voltage reduction circuit module supplies power for the temperature sensor, the pressure sensor and the CPU module respectively.
The second output end of the battery is connected with the boosting circuit module, the boosting circuit module boosts the voltage provided by the battery to 24V, and the circuit module supplies power for the signal amplifier.
The signal output end of the temperature sensor is connected with the temperature receiving end of the CPU module, and the temperature sensor transmits the acquired underground temperature data to the CPU module; the signal output end of the pressure sensor is connected with the pressure receiving end of the CPU module, and the pressure sensor transmits the collected underground pressure data to the CPU module.
The signal output end of the CPU module is connected with the signal input end of the signal amplifier, the CPU module collects temperature data and pressure data and transmits the signals into the signal amplifier in a digital voltage pulse (0-3.3 VDC) mode. The signal amplifier boosts the digital voltage pulses in the CPU module to 0-24 VDC to cope with signal attenuation during transmission.
The signal output end of the signal amplifier is respectively connected with a signal positive contact and a signal negative contact, the signal positive contact is in contact with the metal drill rod, and the metal drill rod is used as a conductor medium for signal transmission; the signal negative electrode contact is in contact with a medium outside the drill rod, the medium outside the drill rod is petroleum, rock, soil and the like, namely the ground is used as a zero potential of a reference electromotive force.
Compared with the prior art, the utility model, specifically beneficial effect is embodied in: the utility model discloses application power line carrier technique utilizes the metallic structure of oil recovery machine ingeniously as the signal transmission carrier, has abandoned the metal armor communication cable of current sensor, both greatly reduced the cost, avoided the risk that the communication cable is easily worn and torn by oil recovery machine motion again thoroughly, promoted the sensor life-span by a wide margin, further ensured the high-efficient steady operation of oil recovery machine.
Drawings
Fig. 1 is a control schematic diagram of the present invention.
Fig. 2 is a schematic view of an actual installation structure of the present invention.
Fig. 3 is a circuit diagram of the voltage step-down circuit module in fig. 1.
Fig. 4 is a circuit diagram of the boost circuit module of fig. 1.
Fig. 5 is a circuit diagram of the temperature sensor of fig. 1.
Fig. 6 is a circuit diagram of the pressure sensor of fig. 1.
Fig. 7 is a circuit diagram of the signal amplifier of fig. 1.
Fig. 8 is a circuit diagram of the positive contact of the signal of fig. 1.
Fig. 9 is a circuit diagram of the negative contact of the signal in fig. 1.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 and 2, the downhole pressure acquisition device of the oil extraction machine comprises a metal drill pipe, wherein the metal drill pipe is drilled into a medium, an acquisition end is arranged on the drilling end of the metal drill pipe, the acquisition end comprises a battery which is a disposable high-temperature-resistant high-energy battery, and the voltage is 7.4-8.4 VDC. The battery can be replaced by lifting the drill stem to the ground, and the replacement period is approximately 6 months.
As shown in fig. 3, the first output terminal of the battery is connected to a voltage-reducing circuit module, the voltage-reducing circuit module reduces the voltage provided by the battery to 3.3V by using a DC/DC voltage-reducing technique, and the voltage-reducing circuit module supplies power to the temperature sensor, the pressure sensor and the CPU module.
As shown in fig. 4, the second output terminal of the battery is connected to the voltage boosting circuit module, the voltage boosting circuit module boosts the voltage provided by the battery to 24V, and the circuit module supplies power to the signal amplifier.
As shown in fig. 5, the signal output end of the temperature sensor is connected with the temperature receiving end of the CPU module, and the temperature sensor transmits the acquired downhole temperature data to the CPU module; the signal output end of the pressure sensor is connected with the pressure receiving end of the CPU module, and the pressure sensor transmits the collected underground pressure data to the CPU module.
As shown in fig. 6, the signal output of the CPU module is connected to the signal input of the signal amplifier, and the CPU module collects temperature data and pressure data and transmits these signals to the signal amplifier in the form of digital voltage pulses (0-3.3 VDC).
As shown in fig. 7, the signal amplifier boosts the digital voltage pulses in the CPU block to 0-24 VDC to cope with the attenuation of the signal during transmission.
As shown in fig. 8 and 9, the signal output end of the signal amplifier is respectively connected with the signal positive contact and the signal negative contact, the signal positive contact is in contact with the metal drill rod, and the metal drill rod is used as a conductor medium for signal transmission; the signal negative electrode contact is in contact with a medium outside the drill rod, the medium outside the drill rod is petroleum, rock, soil and the like, namely the ground is used as a zero potential of a reference electromotive force.
The utility model discloses a monitoring volume such as temperature, pressure of a plurality of sensors collection well drilling lower extreme to detect information and send away with digital voltage pulse signal mode through the metal drill rod, this signal is surveyed from the drilling rod on ground upper portion to subaerial receiving arrangement, with the signal amplification analytic back, obtains monitoring data in the pit. The utility model discloses on ingenious application ground was as the signal negative pole, applyed the signal to the metal drilling rod, the transformer was sent to the similar long-range direct current high pressure of whole implementation process, only had anodal cable, need not the negative pole cable, and the negative pole is done all can by the ground.
The utility model discloses application power line carrier technique utilizes the metallic structure of oil recovery machine ingeniously as the signal transmission carrier, has abandoned the metal armor communication cable of current sensor, both greatly reduced the cost, avoided the risk that the communication cable is easily worn and torn by oil recovery machine motion again thoroughly, promoted the sensor life-span by a wide margin, further ensured the high-efficient steady operation of oil recovery machine.
The foregoing is considered as illustrative and not restrictive of the preferred embodiments of the invention, and any modifications, equivalents and improvements made within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (6)
1. The underground pressure acquisition device of the oil extraction machine comprises a metal drill rod and is characterized in that an acquisition end is arranged on a drilling end of the metal drill rod and comprises a battery, a first output end of the battery is connected with a voltage reduction circuit module, the voltage reduction circuit module respectively supplies power to a temperature sensor, a pressure sensor and a CPU module, a second output end of the battery is connected with a voltage boosting circuit module, and the voltage boosting circuit module supplies power to a signal amplifier;
the signal output end of the temperature sensor is connected with the temperature receiving end of the CPU module, the signal output end of the pressure sensor is connected with the pressure receiving end of the CPU module, the signal output end of the CPU module is connected with the signal input end of the signal amplifier, the signal output end of the signal amplifier is respectively connected with the signal anode contact and the signal cathode contact, and the signal anode contact is in contact with the metal drill rod.
2. An oil extraction machine downhole pressure acquisition device according to claim 1, wherein the battery is a disposable high temperature resistant high energy battery with a voltage of 7.4-8.4 VDC.
3. A pump down-hole pressure pick-up unit as claimed in claim 1, wherein the step-down circuit module steps down the voltage provided by the battery to 3.3V.
4. A pumping unit downhole pressure acquisition device according to claim 1, wherein the boost circuit module boosts the voltage provided by the battery to 24V.
5. A pumping unit downhole pressure pick-up device according to claim 1, wherein the signal amplifier boosts the digital voltage pulses of the CPU module to 0-24V.
6. An oil extraction machine downhole pressure acquisition device according to claim 1, wherein the signal negative contact is in contact with a medium outside the metal drill pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020370325.XU CN211777347U (en) | 2020-03-23 | 2020-03-23 | Underground pressure acquisition device of oil extraction machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020370325.XU CN211777347U (en) | 2020-03-23 | 2020-03-23 | Underground pressure acquisition device of oil extraction machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211777347U true CN211777347U (en) | 2020-10-27 |
Family
ID=72932895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020370325.XU Expired - Fee Related CN211777347U (en) | 2020-03-23 | 2020-03-23 | Underground pressure acquisition device of oil extraction machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211777347U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116792086A (en) * | 2023-06-26 | 2023-09-22 | 广州海洋地质调查局 | In-situ temperature measurement system and method for deep sea sediment of submarine drilling machine |
-
2020
- 2020-03-23 CN CN202020370325.XU patent/CN211777347U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116792086A (en) * | 2023-06-26 | 2023-09-22 | 广州海洋地质调查局 | In-situ temperature measurement system and method for deep sea sediment of submarine drilling machine |
| CN116792086B (en) * | 2023-06-26 | 2024-03-26 | 广州海洋地质调查局 | In-situ temperature measurement method for deep sea sediment of submarine drilling machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103885367B (en) | A kind of intelligent controlling system for beam-pumping unit based on optimum jig frequency identification and method | |
| CN201535241U (en) | Evacuating controller of a sucker-rod pumping well | |
| CN211777347U (en) | Underground pressure acquisition device of oil extraction machine | |
| CN201489358U (en) | Intelligent control system device used for oil extractor in oil field | |
| CN201531400U (en) | Intelligent drainage and production device for immersed pump in coal bed gas wells | |
| CN106121987A (en) | A kind of electric submersible pump oil pumping system intelligent flushing secondary control device and control method | |
| CN114508344B (en) | Underground coal mine multi-channel measurement while drilling geosteering system and construction method | |
| CN214304150U (en) | Waste mine water pumping and energy storage system | |
| CN205977640U (en) | Electronic intelligence frequency of stroke controlling means of oil pump oil pumping system that dives | |
| CN103982161B (en) | Intelligent double-speed oil production control device | |
| CN202073534U (en) | Oil well intermittent pumping control system | |
| CN104818964A (en) | Rodless oil production system with continuous nonmetal cable laying tube | |
| CN204511397U (en) | A kind of continuous nonmetal cabling pipe Rodless oil extraction system | |
| CN108278248A (en) | Hydraulic petroleum lifting device intelligence control system | |
| CN211819379U (en) | Underground pressure receiving device of oil extraction machine | |
| CN201857996U (en) | Coal face advance rate monitoring device | |
| CN109296342A (en) | A kind of coiled tubing oil extraction system | |
| CN202583847U (en) | Intelligent electricity-saving device of pumping unit | |
| CN215057600U (en) | Gas airflow driven impeller energy supply power collecting device | |
| CN206409217U (en) | Intelligent variable parameter oil recovery energy-saving controller | |
| CN201786627U (en) | Electric connecting device for coalbed methane well production by electric submersible pump | |
| CN205260009U (en) | Producing string is flowed in accuse of oil saturation that independently supplies power in pit control intelligence | |
| CN1036481C (en) | Equipment for separating and extracting oil from water in the well | |
| CN209149132U (en) | A kind of beam pumping unit long-distance monitor and control energy conserving system | |
| CN207093298U (en) | A kind of mining energy-saving emulsion power pack |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201027 |