CN103195411A - Comprehensive calibrating device for oil field underground instruments - Google Patents
Comprehensive calibrating device for oil field underground instruments Download PDFInfo
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- CN103195411A CN103195411A CN2012100014132A CN201210001413A CN103195411A CN 103195411 A CN103195411 A CN 103195411A CN 2012100014132 A CN2012100014132 A CN 2012100014132A CN 201210001413 A CN201210001413 A CN 201210001413A CN 103195411 A CN103195411 A CN 103195411A
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Abstract
A comprehensive calibrating device for oil field underground instruments comprises a system controller, a pressure control system and a temperature control system, wherein the system controller comprises a turn-screw, a lead screw driving mechanism, a pressure sensor and a pressurizing device, wherein the pressurizing device is formed by assembling a piston cylinder, a piston and a piston rod. The lead screw driving mechanism comprises a servomotor, a speed reducer and a driver. The temperature control system comprises a water bath box, a simulated pit shaft, a temperature sensor, a heater and a circulating pump. The comprehensive calibrating device for oil field underground instruments, provided by the invention, has the advantages that calibrating to pressure and temperature signals of the underground instruments can be achieved at the same time, not only the work efficiency is improved, but also the calibrating working mode can reflect underground environment parameters really, objectively and roundly.
Description
Technical field
The present invention relates to a kind of oil field downhole instrument calibrating installation, specifically is a kind of comprehensive calibrating installation that can examine and determine down-hole pressure and temperature simultaneously.
Background technology
The major parameter of oil field downhole instrument calibrating in the past is the pressure and temperature signal, but the temperature and pressure signal is calibrating separately, and pressure signal proving temperature signal is again examined and determine by elder generation, or first proving temperature signal detected pressures signal again, the working method of this calibrating is inefficiency not only, simultaneously can't be true, objective, ambient parameter under the observation well all sidedly.
Summary of the invention
Purpose of the present invention provides the comprehensive calibrating installation of a kind of oil field downhole instrument, can finish the calibrating of down-hole pressure and temperature signal simultaneously.
The technical scheme that adopts is:
Downhole instrument comprehensive calibrating installation in a kind of oil field comprises system controller, control pressurer system and temperature control system;
System controller is known technology, comprises first casing and computer, and first casing front is control panel, and computer installation is in first casing;
Described control pressurer system comprises second casing and is installed in casing interior water booster system, turn-screw, leading screw driving mechanism, pressure sensor and base;
Water booster system is assembled into by pressurizing piston cylinder, piston, piston rod, and the pressurizing piston cylinder is fixed on the base by support;
Base is provided with guide rail, and guide rail is single-rail or two guide rail;
The leading screw driving mechanism, comprise servomotor, reductor and driver, the output shaft of servomotor is connected with the power shaft of reductor, the output shaft of reductor is connected with an end of leading screw by shaft coupling, the other end of turn-screw is connected with piston rod, servomotor and reductor are fixed on the slide, and guideway and guide rail on the slide lower surface are slidingly matched; Servomotor is connected with the corresponding wiring terminal of driver by lead, and driver is connected with the corresponding wiring terminal of computer by lead; The sampling end of pressure sensor is connected with the pressure samples mouth of pressurizing piston cylinder, and the signal output wiring terminal of pressure sensor is connected with the corresponding wiring terminal of computer by lead;
The lower surface of base is provided with four universal wheels, can easily control pressurer system be pulled out outside second casing, is convenient to install and maintenance.
First casing is arranged on the upper surface of second casing.
Described temperature control system comprises water bath, simulation well, temperature pick up, heater and circulation pump; In water bath, be provided with heat-insulation and heat-preservation case and insulating box, heater cartridge is located in the heat-insulation and heat-preservation case, heater is connected with computer corresponding wiring terminal in the RACS by lead, be the thermal treatment zone in the heat-insulation and heat-preservation case, insulating box is positioned at the thermal treatment zone, be the flat-temperature zone in the insulating box, temperature pick up is installed in the flat-temperature zone; Circulation pump is installed in the flat-temperature zone, and the driving machine of circulation pump is connected by the corresponding wiring terminal of lead with the computer of control system; Simulation wellbore hole is arranged in the flat-temperature zone, and the lower end of simulation wellbore hole is by base supports, and is connected by the outlet of pressure tube with the pressurizing piston cylinder, and stretch out outside the water bath upper end of simulation wellbore hole, and be connected by the corresponding wiring terminal of lead with the computer of controller;
Be equiped with four universal wheels in the lower surface of water bath, so that water bath moves.
Operating principle of the present invention is: system controller, motor servo driver, servomotor, reductor, turn-screw, pressure sensor, piston, pressurizing piston cylinder, the close loop control circuit of simulation wellbore hole decomposition pressure, the port of export of pressurizing piston cylinder is connected with simulation wellbore hole by connecting pipe.System controller comes control system adjustment structure servomotor according to pid parameter, make that the force value of controlled device is consistent with system input pressure value, thereby make control pressurer system set up new balance, and after new balance was set up, control pressurer system changed the constant pressure control stage over to according to control program.
We adopt servomotor to produce the executing agency of pressure as system, computer sending controling instruction by system controller is controlled motor servo driver, promote servomotor by motor servo driver, moved at guide rail by servomotor drive reductor and turn-screw, drive piston by turn-screw, in the pressurizing piston cylinder, move, thereby make the pressurizing piston cylinder produce pressure, the pressure parameter of pressure sensor is delivered to velocity of rotation and the direction of revising servomotor in the computer of system controller as the return parameters of controlled device, so that control system reaches the setting value of pressure.
The temperature closed loop control loop is formed in system controller, circulation pump, heater, temperature pick up, the thermal treatment zone, flat-temperature zone.System controller is controlled circulation pump and heater according to pid parameter, the temperature parameter of temperature pick up is delivered to the rotating speed of revising circulation pump in the system controller computer and heat time heating time and the heating power of heater as the return parameters of controlled device, so that control system reaches the setting value of temperature.
The invention provides the comprehensive calibrating installation of a kind of oil field downhole instrument, technical problem to be solved is: the major parameter of former oil field downhole instrument calibrating is the pressure and temperature signal, but the temperature and pressure signal is calibrating separately, and pressure signal proving temperature signal is again examined and determine by elder generation, or first proving temperature signal detected pressures signal again, the working method of this calibrating is inefficiency not only, simultaneously can't be true, objective, ambient parameter under the observation well all sidedly.
Characteristics of the present invention are: system controller, motor servo driver, servomotor, reductor, turn-screw, pressure sensor, piston, pressurizing piston cylinder, the close loop control circuit of simulation wellbore hole decomposition pressure; Form the temperature closed loop control loop by system controller, heater, circulation pump, the thermal treatment zone, flat-temperature zone, temperature pick up.This system control machine structure can be finished the calibrating of downhole instrument pressure and temperature signal simultaneously, not only can increase work efficiency, most importantly use this calibration operation mode can be true, objective, ambient parameter under the observation well all sidedly.
Description of drawings
Fig. 1 is a kind of structural representation of the present invention.
Fig. 2 is system block diagram of the present invention.
The specific embodiment
Downhole instrument comprehensive calibrating installation in a kind of oil field comprises system controller 29, control pressurer system 20 and temperature control system 30;
Described control pressurer system comprises second casing 22 and the water booster system, turn-screw 5, leading screw driving mechanism, pressure sensor 9 and the base 10 that are installed in second casing 22;
Water booster system is assembled into by pressurizing piston cylinder 8, piston 7, piston rod 11, and pressurizing piston cylinder 8 is fixed on the base 10 by support 23;
Base 10 is provided with guide rail 6, and guide rail 6 is single-rail or two guide rail;
The leading screw driving mechanism, comprise servomotor 3, reductor 4 and driver 2, the output shaft of servomotor 3 is connected with the power shaft of reductor 4, the output shaft of reductor 4 is connected with an end of turn-screw 5 by shaft coupling, the other end of turn-screw 5 is connected with piston rod 11, servomotor 3 and reductor 4 are fixed on the slide 24, and guideway and guide rail 6 on slide 24 lower surfaces are slidingly matched; Servomotor 3 is connected by the corresponding wiring terminal of lead with driver 2, and driver 2 is connected by the corresponding wiring terminal of lead with computer 1; The sampling end of pressure sensor 9 is connected with the pressure samples mouth of pressurizing piston cylinder 8, and the signal output wiring terminal of pressure sensor 9 is connected by the corresponding wiring terminal of lead with computer 1;
The lower surface of base 10 is provided with four universal wheels 25, can easily control pressurer system be pulled out outside second casing, is convenient to install and maintenance.
Described temperature control system comprises water bath 18, simulation wellbore hole 17, temperature pick up 14, heater 13 and circulation pump 12; In water bath 18, be provided with heat-insulation and heat-preservation case 26 and insulating box 27, heater 17 is installed in the heat-insulation and heat-preservation case 26, heater 17 is connected with computer corresponding wiring terminal in the RACS by lead, be the thermal treatment zone 15 in the heat-insulation and heat-preservation case 26, insulating box 27 is positioned at the thermal treatment zone 15, be flat-temperature zone 16 in the insulating box 27, temperature pick up 14 is installed in the flat-temperature zone 16; Circulation pump 12 is installed in the flat-temperature zone 16, and circulation pump 12 motor are connected by the corresponding wiring terminal of lead with the computer 1 of control system; Simulation wellbore hole 17 is arranged in the flat-temperature zone 16, the lower end of simulation wellbore hole 17 is supported by pedestal 28, and be connected with the outlet of pressurizing piston cylinder 8 by pressure tube 19, stretch out outside the water bath 18 upper end of simulation wellbore hole 17, and be connected by the corresponding wiring terminal of lead with the computer 1 of controller;
Be equiped with four universal wheels 31 in the lower surface of water bath 18, so that water bath 18 moves.
Claims (2)
1. the comprehensive calibrating installation of oil field downhole instrument comprises system controller (29), control pressurer system (20) and temperature control system (30);
System controller (29), comprise first casing (21) and computer (1), first casing (21) front is control panel, computer installation is in first casing (21), it is characterized in that described control pressurer system, comprise second casing (22) and be installed in second casing (22) interior water booster system, turn-screw (5), leading screw driving mechanism, pressure sensor (9) and base (10);
Water booster system is assembled into by pressurizing piston cylinder (8), piston (7), piston rod (11), and pressurizing piston cylinder (8) is fixed on the base (10) by support (23);
Base (10) is provided with guide rail (6), and guide rail (6) is single-rail or two guide rail;
The leading screw driving mechanism, comprise servomotor (3), reductor (4) and driver (2), the output shaft of servomotor (3) is connected with the power shaft of reductor (4), the output shaft of reductor (4) is connected by the end of shaft coupling with turn-screw (5), the other end of turn-screw (5) is connected with piston rod (11), servomotor (3) and reductor (4) are fixed on the slide (24), and guideway and guide rail (6) on slide (24) lower surface are slidingly matched; Servomotor (3) is connected by the corresponding wiring terminal of lead with driver (2), and driver (2) is connected by the corresponding wiring terminal of lead with computer (1); The sampling end of pressure sensor (9) is connected with the pressure samples mouth of pressurizing piston cylinder (8), and the signal output wiring terminal of pressure sensor (9) is connected by the corresponding wiring terminal of lead with computer (1);
First casing (21) is arranged on the upper surface of second casing (22);
Described temperature control system comprises water bath (18), simulation wellbore hole (17), temperature pick up (14), heater (13) and circulation pump (12); In water bath (18), be provided with heat-insulation and heat-preservation case (26) and insulating box (27), heater (13) is installed in the heat-insulation and heat-preservation case (26), heater (13) is connected with computer corresponding wiring terminal in the RACS by lead, be the thermal treatment zone (15) in the heat-insulation and heat-preservation case (26), insulating box (27) is positioned at the thermal treatment zone (15), be flat-temperature zone (16) in the insulating box (27), temperature pick up (14) is installed in the flat-temperature zone (16); Circulation pump (12) is installed in the flat-temperature zone (16), and the driving machine of circulation pump (12) is connected by the corresponding wiring terminal of lead with the computer (1) of control system; Simulation wellbore hole (17) is arranged in the flat-temperature zone (16), the lower end of simulation wellbore hole (17) is supported by pedestal (28), and be connected with the outlet of pressurizing piston cylinder (8) by pressure tube (19), stretch out outside the water bath (18) upper end of simulation wellbore hole (17), and be connected by the corresponding wiring terminal of lead with the computer (1) of controller.
2. the comprehensive calibrating installation of a kind of oil field downhole instrument according to claim 1 is characterized in that the lower surface of described base (10) is provided with four universal wheels (25), is equiped with four universal wheels (31) in the lower surface of water bath (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100014132A CN103195411A (en) | 2012-01-05 | 2012-01-05 | Comprehensive calibrating device for oil field underground instruments |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100014132A CN103195411A (en) | 2012-01-05 | 2012-01-05 | Comprehensive calibrating device for oil field underground instruments |
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| CN103195411A true CN103195411A (en) | 2013-07-10 |
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| CN2012100014132A Pending CN103195411A (en) | 2012-01-05 | 2012-01-05 | Comprehensive calibrating device for oil field underground instruments |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02232541A (en) * | 1989-03-06 | 1990-09-14 | Shimadzu Corp | Pressure measuring apparatus |
| CN2585210Y (en) * | 2002-12-01 | 2003-11-05 | 中国石化集团江汉石油管理局仪表厂 | Automatic pressure gauge calibrating instrument |
| CN201804283U (en) * | 2010-07-27 | 2011-04-20 | 沈阳兴大通仪器仪表有限公司 | Temperature control box of pressure gage verification device |
| CN201811820U (en) * | 2010-08-31 | 2011-04-27 | 沈阳兴大通仪器仪表有限公司 | Pressure gauge calibration device |
| CN202431265U (en) * | 2012-01-05 | 2012-09-12 | 沈阳兴大通仪器仪表有限公司 | Comprehensive verifying device for subsurface equipment of oil field |
-
2012
- 2012-01-05 CN CN2012100014132A patent/CN103195411A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02232541A (en) * | 1989-03-06 | 1990-09-14 | Shimadzu Corp | Pressure measuring apparatus |
| CN2585210Y (en) * | 2002-12-01 | 2003-11-05 | 中国石化集团江汉石油管理局仪表厂 | Automatic pressure gauge calibrating instrument |
| CN201804283U (en) * | 2010-07-27 | 2011-04-20 | 沈阳兴大通仪器仪表有限公司 | Temperature control box of pressure gage verification device |
| CN201811820U (en) * | 2010-08-31 | 2011-04-27 | 沈阳兴大通仪器仪表有限公司 | Pressure gauge calibration device |
| CN202431265U (en) * | 2012-01-05 | 2012-09-12 | 沈阳兴大通仪器仪表有限公司 | Comprehensive verifying device for subsurface equipment of oil field |
Non-Patent Citations (2)
| Title |
|---|
| 王海龙等: "全自动高精度压力计检定系统", 《油气井测试》, vol. 15, no. 02, 30 April 2006 (2006-04-30), pages 73 - 74 * |
| 陈华明等: "一种全自动压力计标定装置", 《中国仪器仪表》, no. 05, 25 May 2006 (2006-05-25), pages 78 - 80 * |
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Application publication date: 20130710 |