CN2435513Y - Device for measuring downhole pressure of production oil well - Google Patents

Device for measuring downhole pressure of production oil well Download PDF

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Publication number
CN2435513Y
CN2435513Y CN00232036U CN00232036U CN2435513Y CN 2435513 Y CN2435513 Y CN 2435513Y CN 00232036 U CN00232036 U CN 00232036U CN 00232036 U CN00232036 U CN 00232036U CN 2435513 Y CN2435513 Y CN 2435513Y
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China
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pressure
measuring
body
sealing
joint
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CN00232036U
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Chinese (zh)
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于鸿江
邓广宇
王研
岳庆峰
魏振禄
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大庆油田有限责任公司采油工艺研究所
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Abstract

The utility model relates to a device for measuring the downhole stratum pressure of a petroleum production well. Separators 4 are arranged below a pumping pipe column 1 of the device for measuring the downhole pressure of the petroleum production well at the position corresponding to a production layer; an oil pipe is connected with a releasing sub 3; a pressure measuring valve 6 or a block measuring device 7 is connected between the separators 4; the middle lower part of the pressure measuring valve 6 or the block measuring device 7 is provided with a measuring and positioning sealed section 0 and a manometer 5; a side hole at the middle part of the main body 31 of the pressure measuring valve 6 or the labyrinth seal body 43 of the block measuring device 7 is opposite to a side hole of the main body 27 of the positioning sealed section 0. The utility model has the advantages that the pressure of the petroleum production well can be measured without pipe column moving operation and a formation tester, the manometer does not need to be preset, working procedure is simple, and the multi-layer static pressure and the multi-layer static pressure of the petroleum production well can be accurately, really and freely measured.

Description

一种测量生产油井井下压力的装置 An apparatus for measuring the pressure of producing oil wells

本实新型涉及石油生产井井下地层压力测量技术和工具,具体是一种测量生产油井井下压力的装置。 The present device relates to novel solid oil production well downhole formation pressure measurement techniques and tools, in particular a producing well downhole pressure measurement.

地层压力是计算油层储量和油藏动态分析的重要参数,通过比较目前地层压力与原始地层压力的差异和分层压力的变化可用来评价油藏压力的保持水平,评价油藏开发效果,确定产能。 Formation pressure is an important parameter calculating dynamic analysis of oil reserves and the reservoir, and by comparing the difference between the current variations layered formation pressure as the original pressure of the formation pressure may be used to evaluate the level of the reservoir to maintain pressure, Evaluation effects of reservoir development, production determined . 目前生产井压力测试,需要动管柱作业,下入地层测试器才能进行,利用电缆携带压力计吊持在大泵下,对两个层段进行测试,而压力计需要预置,观察压力需要起泵,工序复杂,并且容易发生事故。 The current production well pressure testing, production string operations required, into the formation tester to perform, with a cable carrying at the large gauge hoisting pump, two layers of the test period, the gauge required preset pressure to observe from the pump, the process is complicated, and prone to accidents. 目前生产井不能在生产状态下不动管柱测多层静压,只能关井测静压,不能真实地反应地层实际压力状况。 The current production wells can Tubing measured static pressure in producing a multilayer state, only the static pressure measured shut, does not truly reflect the actual situation of the formation pressure.

本实用新型目的是提供在生产状态下不动管柱准确、真实、随意地测量生产油井多层静压的一种测量生产油井井下压力的装置。 Object of the present invention is to provide a production state Tubing accurate, true, optionally measuring apparatus for measuring a multilayer producing well downhole hydrostatic pressure of producing oil wells.

本实用新型目的采用如下技术方案实现:测量生产油井井下压力的装置由泵抽管柱1、电缆钢丝2、丢手接头3、分隔器4、定位密封段0和压力计5、测压阀6、测堵器7、连通器8、丝堵9组成,在泵抽管柱1的下方与产层相对的位置放置一个以上的分隔器4,在油管上连接丢手接头3,分隔器4之间连接测压阀6或测堵器7,在测压阀6或测堵器7中下有测试定位密封段0和压力5,测压阀6主体31或测堵器7迷宫式密封体43中部的侧孔与定位密封段0主体27的侧孔相对。 Object of the present invention adopts the following technical solution: means for measuring the production of oil wells by pumping pressure column (1), the cable wires 2, the hand throw joint 3, the spacer 4, position the seal segment 0 and a pressure gauge 5, pressure valve 6 , measuring block 7, communication device 8, 9 that plugs in the string below the pumping capacity of layer 1 disposed opposite to the position of one or more divider 4, in the tubing connector hand throw joint 3, the spacer 4 en load sensing valve 6 or 7 is blocked, test fixture has a sealing section and a pressure of 5 0 7 6 or the valve under load sensing block, a load sensing valve 31 or the block body 6 7 labyrinths 43 the positioning hole side relative to the middle section of the seal main body 27 side of the hole 0.

本实用新型目的还采用如下技术方案实现:井底安装有连通器8和丝堵9。 Further object of the present invention adopts the following technical solution: bottom 8 and is mounted in communication plugs 9.

定位密封段0由加重杆21、定位本体22、锁轮23、支臂24、密封段上接头25、密封皮碗26、主体27和下接头28组成,下接头28与压力计5相连接并联通,在定位密封段0定位本体22上装有锁轮23和支臂24,支臂24一端被销固定,支臂24中部有弹簧,在主体27的两端装有密封皮碗26,在中部侧方开有连通压力计5的孔。 Position the seal segment 0 by the sinker bar 21, the positioning body 22, the lock gear 23, the arm 24, the joint seal segment 25, cup seal 26, and the body 27 consisting of the lower joint 28, the joint 28 and is connected to the manometer 5 China Unicom, the sealing body positioned in the positioning section 0 on the wheel 22 with the lock 23 and the arm 24, the arm pin 24 is fixed to one end, middle arm 24 has a spring, with a seal cup 26 at both ends of the body 27, in the middle open side of the communication hole gauge 5.

测压阀6由主体31、密封圈32、钢球33、凡尔座34组成,主体31上装有凡尔座34,凡尔座34中安装有钢球33,主体31的中心孔直径与定位密封段0主体27直径活动配合,在定位密封段0放入主体31的中心孔时,测压阀6主体31中部的侧孔与定位密封段0主体27的侧孔相对。 The valve body 6 by the load cell 31, the seal ring 32, ball 33, seat 34 versene composition, with versene seat 34 on the body 31, seat 34 is mounted versene steel ball 33, the diameter of the center hole 31 of the positioning body 0 sealing segment body 27 with a diameter of activity, the sealing segment 0 into the central bore 31 of the body positioning, pressure and valve side positioning hole 31 in the middle of the seal body 6 0 27 side hole of the main body section opposite.

测堵器7由定位接头41、连接套42、迷宫式密封体43和密封接头44组成,测堵器7迷宫式密封体43的中心孔直径与定位密封段0主体27直径活动配合,当定位密封段0放入测堵器7迷宫式密封体43的中心孔时,迷宫式密封体43中部的侧孔与定位密封段0主体27的侧孔相对。 Measuring blocking device 7 by the positioning joint 41, connecting sleeve 42, the labyrinth seal 43 and a sealing joint 44 composed of the center hole diameter of the positioning seal 027 diameter activities with body segment measurement block 7 is a labyrinth seal member 43, when the positioning when measuring blocking seal segment 0 into central bore 7 of the labyrinth seal 43, the positioning hole 43 side of the center 0 labyrinths seals the side hole 27 of the main body section opposite. 在迷宫式密封体43的和密封接头44之间有细小的间隙和沟槽,并与迷宫式密封体43内侧的通孔连通。 In the labyrinth seal 43 and the sealing joint and there is a small gap between the groove 44 and the through hole 43 inside the body and communicating labyrinth seal.

压力计5由电池筒护套51、电池筒52、电路托架53、电路板54、电路筒55、压力传感器56、过度接头57、传感器接头58、尾帽59组成,压力计5电池筒护套51、电路筒52、压力传感器56、过度接头57、传感器接头58、尾帽59采用丝扣密封连接,压力传感器56固定在传感器接头58上,压力传感器56信号线穿过过度接头57连接在电路板54上,电路板54用螺丝固定在电路托架53上。 5 by the battery gauge tubular sheath 51, the battery tube 52, the carrier circuit 53, circuit board 54, circuit cylinder 55, pressure sensors 56, 57 over the joint, the joint sensors 58, tail cap 59 composed of cylindrical battery protection manometer 5 sleeve 51, cartridge circuit 52, a pressure sensor 56, over the joint 57, a sensor connector 58, a threaded end cap 59 using a sealed connection, a pressure sensor 56 is fixed to the sensor connector 58, through the pressure sensor 56 over a signal line 57 is connected at joint on the circuit board 54, circuit board 54 is fixed to the bracket 53 with screws circuit.

压力计5电路包括:JP1压力传感器、U1差分放大器、U7压频转换器、U3单片机、U6数据存贮器、U4接口电路、U8(9)直流稳压器、U5时钟控制器,JP1压力传感器连接U1差分放大器,差分放大器器输出端连接U7压频转换器,再经U3单片机后连接U6数据存贮器,与U3单片机相连的还有U4接口电路,U8(9)直流稳压器,U5时钟控制器。 Circuit includes a manometer 5: JP1 pressure sensor, U1 differential amplifier, U7 voltage to frequency converter, U3 microcontroller, U6 data memory, U4 interface circuit, U8 (9) dc regulator, U5 clock controller, JP1 pressure sensor connecting a differential amplifier U1, the output of the differential amplifier U7 connected to voltage to frequency converter, and then by connecting the microcontroller U3 U6 data memory, an interface circuit U3 and U4 also coupled to the microcontroller, U8 (9) DC regulators, U5 clock controller.

本实用新型优点在于:生产井压力测试不需要动管柱作业,无需地层测试器,压力计不需要预置,工序简单,安全。 The present invention is advantageous in that: the production well pressure testing operation requiring no moving string, without the formation tester, the pressure gauge need not preset, the process is simple and safe. 在生产状态可不动管柱准确、真实、随意地测量生产油井多层静压和静压,真实反映地层实际压力状况。 In the state of the production tubing string may move accurate, true, optionally multilayer measuring static pressure and static pressure producing oil wells, a true reflection of the actual formation pressure condition.

本实用新型附图说明如下: BRIEF DESCRIPTION The present invention is as follows:

图1为测量生产油井井下压力的装置结构示意图;图2为定位密封段结构示意图;图3为测压阀结构示意图;图4为测堵器结构示意图;图5为压力计结构示意图;图6为压力计电路图。 1 is a schematic structure of a producing well downhole apparatus for measuring the pressure; FIG. 2 is a schematic section of a sealing structure is positioned; a schematic view of the load cell 3 is the valve structure; measuring a schematic block structure of FIG. 4; FIG. 5 is a schematic structure of a pressure gauge; FIG. 6 to gauge circuit diagram.

以下结合实施例详述本实用新型:本实用新型工作原理是利用封隔器4将油层分成层段,两级封隔器4中间连接测压阀6或测堵器7,高含水层C下入测堵器7,低含水层A下入测压阀6,在不停产的状态下,利用电缆钢丝1携带定位密封段和压力计5,从油套环形空间下入,利用定位密封段进行定位和密封被测层段,使被测层段压力准确真实地反映在压力计上,测后起出后利用计算机回放数据,即完成生产井分层压力测试。 The following detailed description in conjunction with the embodiment of the present invention: The present invention works by using a packer 4 into the reservoir interval, two packer 4 is connected at an intermediate load sensing valve block 6 or 7, the high C aquifer the measuring block 7, the low load aquifer a valve 6, cut-off state without using the cable wire 1 and the sealing section is positioned to carry a pressure gauge 5, the annular space from the oil jacket, carried out by the positioning seal section positioning and sealing the measured intervals, so that the measured pressure layer segments accurately reflected in the gauge true, measured from rising after the playback data using a computer, to complete the production well delamination stress test.

测量生产油井井下压力的装置主要包括:泵抽管柱1、电缆钢丝2、丢手接头3、分隔器4、定位密封段0和压力计5、测压阀6、测堵器7、连通器8、丝堵9,在泵抽管柱1的下方与产层相对的位置放置分隔器4将产层分隔,在油管及分隔器4上部连接丢手接头3,分隔器4之间连接测压阀6或测堵器7,在测压阀6或测堵器7中放有测试定位密封段0和压力计5,在井底安装有连通器8和丝堵9。 Means for measuring the pressure of the main production oil wells comprising: pumping a string, wire cable 2, the hand throw joint 3, the spacer 4, position the seal segment 0 and a pressure gauge 5, pressure valves 6, 7 measuring block, manifold 8, plugs 9, the pumping string spacer layer 4 will produce a position disposed beneath the spacer layer producing an opposite, hand throw connected at an upper joint 3 and spacer tubing 4, a load is connected between the separator 4 measuring blocking valve 6 or 7, or 6 in the load sensing valve block 7 is placed in the test position the seal segment 0 and a pressure gauge 5, is mounted in the bottom manifold 8 and 9 plugs.

本实用新型定位密封段0主要作用是从环空下到被测层位的测压阀6或测堵器7位置时起定位和密封作用,主要由加重杆21、定位本体22、锁轮23、支臂24、密封段上接头25、密封皮碗26、主体27和下接头28组成。 The present invention positioned seal segments main role is 0 to 7 bit position of the measured layer, or load sensing valve block 6 functions as a positioning and sealing device from the annulus, the main weight bars 21, the positioning body 22, the lock wheel 23 , the arm 24, the joint seal segment 25, cup seal 26, body 27 and lower joint 28 composed. 定位密封段0上接头25电缆钢丝2连接,下接头28与压力计5相连接并联通,在定位密封段0定位本体22上装有锁轮23和支臂24,支臂24一端被销固定,中部有弹簧,在弹簧的作用下支臂24的另一端可弹出。 Cable-coupling position the seal wire 25 2 0 connection, the joint 28 is connected to the manometer 5 and China Unicom, the sealing section is positioned on the positioning body 22 with 0 latching wheel 23 and the arm 24, one end of the arm 24 is fixed to a pin, central spring, under the action of a spring the other end of the arm 24 can be ejected. 在主体27的两端装有密封皮碗26,中部侧方开有通孔,被测层位的压力径密封段通孔进入压力计5,压力计5储存被测层位的压力值。 In the ends of the body 27 is provided with sealing collar 26, the central side has a through hole, the pressure measured horizon through hole diameter of the sealing section into the manometer 5, the pressure gauge 5 is stored bit value of the measured layer.

本实用新型测压阀6的作用是坐封封隔器4时使管柱密封,起到单流阀的作用,坐封后生产层段的液流由测压阀6进入管柱。 The present novel load acting valve 6 is set packer seal unit The column was 4:00, the single valve functions as a sitting win the title stream production interval into the column 6 by the load valve. 当测压时,测压阀6的旁通孔道与定位密封段0主体27的中部通孔相对,两端被密封皮碗26密封,地层压力可传入到压力计5中,达到测压目的。 When the pressure measurement, pressure bypass valve 6 and the positioning bore central through hole 27 of the sealing body segment 0 opposite ends are sealed by the sealing cup 26, the formation pressure can be passed into the manometer 5, to achieve the purpose of load . 测压阀6主要由主体31、密封圈32、钢球33、凡尔座34组成,主体31的中心孔与定位密封段0主体27直径相互配合,定位密封段0主体27可放入并通过。 The valve body 6 is mainly composed of a load 31, the seal ring 32, ball 33, a seat 34 composed of versene, the positioning center hole 31 of the body 27 the diameter of the sealing body segments with each other 0, 0 position the seal segments 27 can be placed through the body .

本实用新型测堵器7的作用是限制高含水层C的液体经测堵器后限流,控制高含水层的产液层。 Measuring blocking effect of the present invention is to limit the high-7 aqueous liquid layer C measured after blocking the flow restrictors, the control layer having a high liquid yield aquifer. 当测压时,高含水层C的压力可以通过测堵器7传到压力计5中,并密封其它产层。 When the load, the high pressure water blocking layer C can be measured 7 is transmitted to a pressure gauge 5, and the other producing the sealing layer. 测堵器7主要由定位接头41、连接套42、迷宫式密封体43和密封接头44组成,测堵器7迷宫式密封体43的中心孔与定位密封段0主体27直径相互配合,定位密封段0主体27可放入并通过。 Measuring blocking device 7 is mainly composed of landing nipple 41, connected to sleeve 42, the labyrinth seal 43 and a sealing joint 44 and the observed blocking center hole and the position 7 labyrinth seal 43 sealing segment 0 body 27 diameter with each other, position the seal 0 segment 27 can be placed through the body. 在迷宫式密封体43的和密封接头44之间有细小的间隙和通道,外部的流体可通过间隙流入在迷宫式密封体43的通孔中。 In the labyrinth seal 43 and a sealing joint with a small gap between the passage 44 and the external fluid flows through the gap in the through hole labyrinths 43.

本实用新型压力计5由电池筒护套51、电池筒52、电路托架53、电路板54、电路筒55、压力传感器56、过度接头57、传感器接头58、尾帽59组成。 The present invention is a sheath tube manometer 5 by the battery 51, the battery tube 52, the carrier circuit 53, circuit board 54, circuit cylinder 55, pressure sensors 56, 57 over the joint, the joint sensors 58, tail cap 59 components. 电池筒护套51、电路筒52、压力传感器56、过度接头57、传感器接头58、尾帽59均采用丝扣密封连接组合,压力传感器56固定在传感器接头58上,压力传感器56信号线穿过过度接头57连接在电路板54上,电路板54用螺丝固定在电路托架53上。 Battery sheath tube 51, tube circuit 52, a pressure sensor 56, over the joint 57, a sensor connector 58, a threaded tail cap 59 are made of a combination of a sealed connection, a pressure sensor 56 is fixed to the sensor connector 58, pressure sensor 56 through signal line excessive joint 57 is connected to the circuit board 54, circuit board 54 is fixed to the bracket 53 with screws circuit.

压力计5电路结构包括:JP1压力传感器、U1差分放大器、U7压频转换器、U3单片机、U6数据存贮器、U4接口电路、U8(9)直流稳压器、U5时钟控制器。 5 manometer circuit arrangement comprises: JP1 pressure sensor, U1 differential amplifier, U7 voltage to frequency converter, U3 microcontroller, U6 data memory, U4 interface circuit, U8 (9) dc regulator, U5 clock controller. JP1压力传感器连接U1差分放大器,放大器放大压力传感器输出的电压信号,经U7压频转换器转换为精度高,稳定性好的10KHz脉冲信号,再经U3单片机处理后存入U6数据存贮器,U4为接口电路具有自动检测电平开关功能,能够将TTL电平转换为标准的RS-232电平,实现仪器与计算机的通信。 JP1 pressure sensor is connected a differential amplifier U1, the voltage amplifier amplifies the output signal of the pressure sensor, voltage to frequency converter via U7 transitions high accuracy, good stability 10KHz pulse signal, and then by treatment microcontroller U3 U6 stored data memory, automatic detection level U4 having a switching function for the interface circuit, capable of converting TTL level to a standard RS-232 level, with the computer to realize a communication instrument. U8(9)直流稳压器,给电路提供+5V的直流电源,U5为时钟控制器,SENSOR1为数字温度传感器。 U8 (9) dc regulator circuit to provide a + 5V DC power supply, a clock controller U5, is the SENSOR1 digital temperature sensor.

U7压频转换器采用AD53TJD该芯片,U3单片机选用AT89C2051芯片。 U7 VFC AD53TJD uses the chip, U3 AT89C2051 chip device is selected. U6数据存贮器采用64LC65串行非易失性技术的,具有掉电保护功能,功耗极低的芯片。 U6 64LC65 serial data using nonvolatile memory technology, having a power-down protection, low power chips. U4接口电路采用MAXIM3223,U8(9)直流稳压器采用MAX883,U5时钟控制器采用PCF8583,SENSOR1数字温度传感器采用DS1823。 U4 interface circuit MAXIM3223, U8 (9) using DC regulator MAX883, U5 clock controller uses PCF8583, SENSOR1 digital temperature sensor DS1823.

压力计5加电后,首先装入内部数据存贮器中规定的采样时间,并启动单片机内部的定时器,然后关断除单片机以外的其余部分电源,进入低功耗状态,等待定时中断,当定时器中断发生后,仪器电路重新加电开始采样,单片机首先采集压力值,然后从温度传感器中读取一个温度值,将2组数据做为一个采样点,保存在数据存贮器中,随后电路关闭电源,待下一个采样时钟到来后重新开始工作。 Manometer 5 after power is first charged with a predetermined sampling time data of the internal memory, and starts an internal timer of the microcontroller, and then try to get rid off the rest of the power supply outside the microcontroller into a low power state, awaiting the timer interrupt, when the timer interrupt occurs, the instrument is powered again begin sampling circuit, the microcontroller acquired first pressure, and then reads the temperature value from a temperature sensor, the two sets of data as a sampling point, the data stored in the memory, then turn off the power circuit until the next sampling clock after the arrival start operating again. 工作完毕后,通过计算机回放,读出已经存贮的采样值,仪器硬件电路以单片机为核心,全部控制逻辑采用CMOS电平,经过接口芯片与计算机通信。 After the work is completed, playback through the computer, read sample value has been stored, the instrument hardware circuit microcontroller core, all of the control logic using CMOS level, communicating with the computer via an interface chip.

本实用新型压力测试过程如下:对压力计进行参数初始化后,将压力计与测压密封段整体联接好利用钢丝将测压仪器过油套环形空间下入具有分层测压功能的分采管柱中,测压仪器下部为Φ22mm存储式电子压力计,上端带有密封段,其上有定位机构,支臂打开后测压仪器的导压孔与分采管柱的测压阀相对应,并使测压阀处于打开状态时,测压仪器即可测得油井内该层段压力,然后上提测压仪器,测量其它层段压力,录取完全部数据后,将压力计自油套环形空间起出,与地面计算机系统联接,通过数据回放,得到地层的压力数据及其它参数。 Pressure testing of the present invention as follows: After manometer parameter initialization, the entire load is wired to couple the instrument good oil jacket into the annular space having a layered Piessure partial pressure measurement taken with the sealing section tube manometer column, the lower pressure measuring instrument is a pressure gauge Φ22mm electronic storage, with an upper sealing section, which has a positioning means, the pressure guiding holes corresponding to the pressure measuring instrument separate recovery string rear arms open load valve, when the valve is open and pressure measurement, the pressure measuring apparatus can be measured interval the well pressure, and then the load lifting device, a pressure measuring section other layers, after admission complete data unit, the annular sleeve from the oil pressure gauge since the space, the computer system is coupled with the ground, through the data playback, to obtain pressure data and other formation parameters.

Claims (8)

1. 1. 一种测量生产油井井下压力的装置,由泵抽管柱(1)、电缆钢丝(2)、丢手接头(3)、分隔器(4)、定位密封段(0)和压力计(5)、测压阀(6)、测堵器(7)、连通器(8)、丝堵(9)组成,其特征在于:在泵抽管柱(1)的下方与产层相对的位置放置一个以上的分隔器(4),在油管上连接丢手接头(3),分隔器(4)之间连接测压阀(6)或测堵器(7),在测压阀(6)或测堵器(7)中下有测试定位密封段(0)和压力(5),测压阀(6)主体(31)或测堵器(7)迷宫式密封体(43)中部的侧孔与定位密封段(0)主体(27)的侧孔相对。 An apparatus for measuring the pressure of producing oil wells, the pumping column (1), cable wires (2), the hand throw joint (3), the spacer (4), positioning sealing section (0) and a pressure gauge (5) , pressure valve (6), measuring blocking device (7), the communication unit (8), the stopper (9), and is characterized in that: Put a pumping position in column (1) and the lower layer is opposite to yield above divider (4) connected to the hand throw joint (3) in the pipe, a load connected to the valve (6) or the measuring block (7) between the separator (4), the pressure measuring valve (6) or measured block (7) under test fixture has sealing segments (0) and pressure (5), (43) a load side of middle hole valve (6) the body (31) or the measuring block (7) and labyrinths positioning the sealing segment (0) relative to the body (27) of the side hole.
2. 2. 根据权利要求1所述的一种测量生产油井井下压力的装置,其特征在于:井底安装有连通器(8)和丝堵(9)。 The apparatus of claim 1 for measuring the pressure of producing oil wells claim, wherein: the communication device is attached to bottom (8) and the plug (9).
3. 3. 根据权利要求1所述的一种测量生产油井井下压力的装置,其特征在于:定位密封段(0)由加重杆(21)、定位本体(22)、锁轮(23)、支臂(24)、密封段上接头(25)、密封皮碗(26)、主体(27)和下接头(28)组成,下接头(28)与压力计(5)相连接并联通,在定位密封段(0)定位本体(22)上装有锁轮(23)和支臂(24),支臂(24)一端被销固定,支臂(24)中部有弹簧,在主体(27)的两端装有密封皮碗(26),在中部侧方开有连通压力计(5)的孔。 The apparatus of claim 1 for measuring the pressure of producing oil wells claim, wherein: positioning the sealing segment (0) by the weighting rod (21), the positioning body (22), the lock wheel (23), the arm (24 ), the sealing joint section (25), sealing collar (26), the body (27) and a lower joint (28) composed of a lower joint (28) and the manometer (5) is connected and China Unicom, the positioning the sealing section ( with the lock wheel (23) 0) positioning body (22) and the arm (24), the arm (24) is a pin fixed to one end, (24) central arm spring, with the ends of the body (27) sealing collar (26), having a hole communicating manometer (5) in the middle of the side.
4. 4. 根据权利要求1所述的一种测量生产油井井下压力的装置,其特征在于:测压阀(6)由主体(31)、密封圈(32)、钢球(33)、凡尔座(34)组成,主体(31)上装有凡尔座(34),凡尔座(34)中安装有钢球(33),主体(31)的中心孔直径与定位密封段(0)主体(27)直径活动配合,在定位密封段(0)放入主体(31)的中心孔时,测压阀(6)主体(31)中部的侧孔与定位密封段(0)主体(27)的侧孔相对。 The apparatus of claim 1 for measuring the pressure of producing oil wells claim, wherein: a load valve (6) from the body (31), the sealing ring (32), balls (33), where Dole seat (34 ) composition, with versene seat (34) on the body (31), where Dole seat (34) is attached to the steel ball (33), the body (31) and the positioning of the center hole diameter of the sealing section (0) of the body (27) activity fit diameter, positioned in the sealing segment (0) into the central bore body (31), a load side hole valve (6) the body (31) side of the positioning hole of the central section of the seal (0) of the body (27) relatively.
5. 5. 根据权利要求1所述的一种测量生产油井井下压力的装置,其特征在于:测堵器(7)由定位接头(41)、连接套(42)、迷宫式密封体(43)和密封接头(44)组成,测堵器(7)迷宫式密封体(43)的中心孔直径与定位密封段(0)主体(27)直径活动配合,当定位密封段(0)放入测堵器(7)迷宫式密封体(43)的中心孔时,迷宫式密封体(43)中部的侧孔与定位密封段(0)主体(27)的侧孔相对。 The apparatus of claim 1 for measuring the pressure of producing oil wells claim, wherein: measuring block (7) by a positioning joint (41), connection sleeve (42), a labyrinth seal body (43) and sealing joint (44), with the center hole diameter of the measuring section positioned sealing plug (7) a labyrinth seal (43) (0) of the body (27) with a diameter of activity, when positioning the sealing section (0) into the measuring blocking device ( when the central hole 7) labyrinths (43), (43) side of the hole and the position of the middle segment sealing labyrinths (0) side of the aperture body (27) opposite.
6. 6. 根据权利要求1、5所述的一种测量生产油井井下压力的装置,其特征在于:在迷宫式密封体(43)的和密封接头(44)之间有细小的间隙和沟槽,并与迷宫式密封体(43)内侧的通孔连通。 The apparatus for measuring the pressure of oil wells producing 1,5 claim, wherein: there is a small gap between the groove and the labyrinth seal (43) and a sealing joint (44), and with a through hole communicating the inside of a labyrinth seal (43).
7. 7. 根据权利要求1所述的一种测量生产油井井下压力的装置,其特征在于:压力计(5)由电池筒护套(51)、电池筒(52)、电路托架(53)、电路板(54)、电路筒(55)、压力传感器(56)、过度接头(57)、传感器接头(58)、尾帽(59)组成,压力计(5)电池筒护套(51)、电路筒(52)、压力传感器(56)、过度接头(57)、传感器接头(58)、尾帽(59)采用丝扣密封连接,压力传感器(56)固定在传感器接头(58)上,压力传感器(56)信号线穿过过度接头(57)连接在电路板(54)上,电路板(54)用螺丝固定在电路托架(53)上。 An apparatus for measuring the pressure producing oil wells according to claim 1, wherein: a pressure gauge (5) sheathed by a battery cartridge (51), the battery cartridge (52), the carrier circuit (53), the circuit board (54), cartridge circuit (55), a pressure sensor (56), over the joint (57), the sensor connector (58), end cap (59), with a pressure gauge (5) of the battery sheath tube (51), cartridge circuit (52), a pressure sensor (56), over the joint (57), the sensor connector (58), end cap (59) using a sealing threaded connection, a pressure sensor (56) fixed to the sensor connector (58), a pressure sensor ( 56) over a signal line passing through the joint (57) connected to the circuit board (54) fixed to the circuit carrier (53) in the circuit board (54) with screws.
8. 8. 根据权利要求1、7所述的一种测量生产油井井下压力的装置,其特征在于:压力计(5)电路包括:(JP1)压力传感器、(U1)差分放大器、(U7)压频转换器、(U3)单片机、(U6)数据存贮器、(U4)接口电路、(U8、9)直流稳压器、(U9)时钟控制器,(JP1)压力传感器连接(U1)差分放大器,差分放大器器输出端连接(U7)压频转换器,再经(U3)单片机后连接(U6)数据存贮器,与(U3)单片机相连的还有(U4)接口电路,(U8、9)直流稳压器,(U5)时钟控制器。 The apparatus for measuring the pressure of oil wells producing 1,7 claim, wherein: a pressure gauge (5) circuit comprising: (JP1) pressure sensor, (Ul) of the differential amplifier, (U7) voltage to frequency converter , (U3) SCM, (U6) data memory, (U4) an interface circuit, (U8,9) DC regulator, (U9) clock controller, (JP1) a pressure sensor connection (U1) of the differential amplifier, the differential an amplifier connected to the output terminal (U7) voltage to frequency converter, and then by (U3) connected to the microcontroller (U6) data memory, and (U4) and an interface circuit (U3) is connected to the microcontroller, (U8,9) DC regulator, (U5) clock controller.
CN00232036U 2000-03-24 2000-03-24 Device for measuring downhole pressure of production oil well CN2435513Y (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101878350A (en) * 2007-11-30 2010-11-03 普拉德研究及开发股份有限公司 Downhole, single trip, multi-zone testing system and downhole testing method using such
CN101050699B (en) 2006-12-11 2011-01-26 大庆油田有限责任公司 Method for obtaining thick oil layer vertical permeability using same layer vertical interference test well and test tubular pole
CN101403293B (en) 2008-11-11 2012-06-06 大庆油田有限责任公司 Column type down-hole shut-in well delamination pressure test technique suitable for oil well
CN102787840A (en) * 2012-09-05 2012-11-21 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 Multilayer static pressure measuring apparatus and measuring method
CN103982176A (en) * 2014-06-04 2014-08-13 东北石油大学 Electric control storage type oil well layered pressure gauge
CN105089613A (en) * 2014-05-05 2015-11-25 姚希维 Dynamic parameter measurement nipple, energy-saving oil extraction system and method

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101050699B (en) 2006-12-11 2011-01-26 大庆油田有限责任公司 Method for obtaining thick oil layer vertical permeability using same layer vertical interference test well and test tubular pole
CN101878350A (en) * 2007-11-30 2010-11-03 普拉德研究及开发股份有限公司 Downhole, single trip, multi-zone testing system and downhole testing method using such
CN101878350B (en) * 2007-11-30 2015-03-11 普拉德研究及开发股份有限公司 Downhole, single trip, multi-zone testing system and downhole testing method using such
CN101403293B (en) 2008-11-11 2012-06-06 大庆油田有限责任公司 Column type down-hole shut-in well delamination pressure test technique suitable for oil well
CN102787840A (en) * 2012-09-05 2012-11-21 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 Multilayer static pressure measuring apparatus and measuring method
CN102787840B (en) * 2012-09-05 2015-04-22 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 Measuring method of multilayer static pressure measuring apparatus
CN105089613A (en) * 2014-05-05 2015-11-25 姚希维 Dynamic parameter measurement nipple, energy-saving oil extraction system and method
CN103982176A (en) * 2014-06-04 2014-08-13 东北石油大学 Electric control storage type oil well layered pressure gauge

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