CN2638066Y

CN2638066Y - Hydraulic pump under well storage type water ratio tester

Info

Publication number: CN2638066Y
Application number: CN 03276522
Authority: CN
Inventors: 赖丰利; 秦义
Original assignee: Petrochina Co Ltd
Current assignee: Petrochina Co Ltd
Priority date: 2003-08-21
Filing date: 2003-08-21
Publication date: 2004-09-01
Anticipated expiration: 2013-08-21

Abstract

A hydraulic pump downhole memory water content tester relates to a dynamic monitoring device for the oilfield development. The utility model is characterized in that a shock absorber is positioned in a tailstock, a sensor is positioned in a sensor base, the sensor base is connected with an instrument tube, and a battery box and a circuit board are arranged in the instrument tube, the circuit comprises a single-chip, a data memory, an A/D converter, a power regulator, a reference voltage and an amplifier, etc. The device can automatically and successively test the water content condition in the oil well liquid-production under the well within a certain time limit (e. g. 10 days), and the water content is accurate and reliable, and the dynamic production of the oil well can be reflected. The device is arranged under the well to test with the pump with simple operation technology and low test cost. The device has the function of temperature compensation and can increase the measuring accuracy and adopt the vibration damping measures, thereby being suitable for the harsh environment of oil production by the hydraulic pump.

Description

Fluid operated pump downhole stored formula water cut test device

Technical field

Dynamic monitoring instrument when the utility model relates to a kind of oilfield exploitation.

Background technology

When the application fluid operated pump carries out down-hole oil production, need the water percentage in the liquid of monitoring extraction in time.Often use the mechanical type sampler at present in field produces, it is connected to form by screw thread successively by adapter sleeve, shell, tailstock, and sampler barrel is cased.During sampling, the mechanical type sampler is installed in the afterbody of fluid operated pump core, be lowered in the oil well, when down-hole liquid recoil pump core, will enter into some liquid of sampler barrel, and in time close feed pathway, when treating that the pump core returns ground, the liquid that takes out in the sampler barrel is chemically examined, and can learn the water percentage in the liquid.Resulting in this way water percentage, just enter into the water percentage of the liquid of sampler barrel, it can not accurately reflect the composite water cut of the stratum liquid of producing well in whole production runes, sometimes its difference is quite big, use it can not correctly reflect the condition of production of oil well, also just can not in time adjust the manufacturing parameter of oil well rightly.Once go into the well with this sampler and can only get an oil sample, the sample period is long, the expense height.

The utility model content

The purpose of this utility model is a kind of fluid operated pump downhole stored formula water cut test device of design, uses its follow-on test and write down the water percentage of stratum liquid automatically, and the water percentage of test accurately and reliably.

Technical solution of the present utility model is to realize like this, a kind of fluid operated pump downhole stored formula water cut test device, be connected to form by screw thread successively by adapter sleeve, shell, tailstock, its special character is, (1) vibroshock is installed in tailstock, vibroshock is connected with sensor holder, and sensor is housed in sensor holder.(2) sensor holder is connected with the instrument tube, and circuit board and battery case are housed in the instrument tube.(3) circuit on the circuit board is by single chip computer AT, data-carrier store IC1, A/D converter IC2, power regulator IC3, reference voltage IC4, amplifier IC5, restorer IC6 is connected to form, the pin 18 of single chip computer AT, 19 and the pin 6 of data-carrier store IC1,5 are connected, the pin 4 of crystal oscillator Y1 and single chip computer AT, 5 are connected, the pin P1.0 of single chip computer AT, P1.1, P1.2 respectively with the pin 14 of A/D converter IC2,1,12 are connected, the pin 2 of crystal oscillator Y2 and A/D converter IC2,3 are connected, the pin 1 of single chip computer AT is connected with the pin 2 of restorer IC6, the pin 3 of restorer IC6 and the pin 4 of power regulator IC3,5,6 are connected, the pin 20 of single chip computer AT is connected with the pin 2 of power regulator IC3, the pin 10 of A/D converter IC2 is connected with the pin 6 of reference voltage IC4, the pin 16 of A/D converter IC2 is connected with the pin 4 of reference voltage IC4, the pin 7 of A/D converter IC2 and the pin 6 of amplifier IC5 are connected, the pin 2 of amplifier IC5,4 respectively with the pin 1 of sensor, 3 are connected.

The utility model has the advantages that, (1) use this instrument can be in the down-hole (as 10 days) automatic moisture situation in follow-on test oil well liquid-producing within a certain period of time, the water percentage that tests out can reflect the dynamic condition of production of oil well accurately and reliably.(2) use this instrument to be installed in the down-hole, with the pump test, operating procedure is simple, and testing cost is low.(3) in this instrument, have temperature compensation function, can improve measuring accuracy.(4) owing to take glissando, be applicable to the rugged surroundings that fluid operated pump recovers the oil.

Description of drawings

Accompanying drawing 1 is the structural representation that partly cuts open of the present utility model.

Accompanying drawing 2 is the circuit diagrams in the utility model.

Embodiment

Rubber ring

2,4 is sleeved on the shock reducing structure 3, shock reducing structure 3 is contained in the shock ring 5, form vibroshock, shock reducing structure 3 can slide in shock ring 5.During pacifying by screw thread, shock ring 5 in tailstock 1, packing ring is housed between them.Sensor 6 selects for use the shortwave type to contain water sensor, is installed on the sensor holder 7, and sensor holder 7 is connected with shock reducing structure 3 by screw thread, and sensor 6 is connected with circuit on the circuit board 8 by lead.Battery case 12 is connected by lead with circuit on the circuit board 8, and battery case 12 and circuit board 8 are installed in the circuit sheath 10, and circuit sheath 10 is installed in the instrument tube 9, and instrument tube 9 is connected with sensor holder 7 by screw thread, and O-ring seal is housed between them.Tailstock 1 is connected with shell 11, adapter sleeve 13 successively by screw thread.

Circuit on the circuit board 8 is made up of single chip computer AT, data-carrier store IC1, A/D converter IC2, power regulator IC3, reference voltage IC4, amplifier IC5, restorer IC6 etc., single-chip microcomputer is selected AT89C2051 for use, data-carrier store IC1 selects 24C256 for use, A/D converter IC2 selects AD7715 for use, power regulator IC3 selects LP2950 for use, reference voltage IC4 selects MAX6192 for use, and instrument amplifier IC5 selects AD623 for use, and restorer IC6 selects MAX810 for use.The

18,19 of single chip computer AT and the

6,5 of data-carrier store IC1 are connected, pin 7 ground connection of data-carrier store IC1, also ground connection after its

1,2,3,4 interconnects.The

4,5 of crystal oscillator Y1 and single chip computer AT is connected, and is connected on the

4,5 of single chip computer AT ground connection between capacitor C 1, the C2 after capacitor C 1, C2 connect mutually.Pin P1.0, the P1.1 of single chip computer AT, P1.2 are connected with the pin 14,1,12 of A/D converter IC2 respectively, after being connected, the pin 13,14 of IC2 is connected by resistance R 1 and

6,15,5,

8,9 ground connection of IC2, the

2,3 of crystal oscillator Y2 and A/D converter IC2 is connected, be connected to the

2,3 of A/D converter IC2 after capacitor C 4, the C5 series connection, ground connection between capacitor C 4, the C5.The pin 1 of single chip computer AT is connected with the pin 2 of restorer IC6, the pin 3 of restorer IC6 is connected with the pin of power regulator IC3 4,5,6, the pin 1 of restorer IC6 is connected with the pin 2 of power regulator IC3, be connected to capacitor C 3 between the

2,4 of IC3, the pin 8 of IC3 connects input voltage, and the pin 20 of single chip computer AT is connected with the pin 2 of power regulator IC3.The pin 10 of A/D converter IC2 is connected with the pin 6 of reference voltage IC4, and the

16,4,11 of A/D converter IC2 interconnects the back and is connected with the

1,2,3,4 of reference voltage IC4 and ground connection.The pin 7 of A/D converter IC2 and the pin 6 of amplifier IC5 are connected, and the

2,4 of amplifier IC5 is connected with the pin 1,3 of sensor respectively, are connected with variable resistor R2 between the pin 1,8 of amplifier IC5, pin 3 ground connection of IC5.The

2,3 of single chip computer AT is connected, and as communication interface, can connect computing machine.

This water cut test device is to utilize the resonant condition of frequency electromagnetic waves to measure moisture content contained in the crude oil, signal after treatment, with the water percentage data storage in data-carrier store IC1.Can be according to the concrete condition of every mouthful of oil well, before going into the well by the computer installation delay time, press certain sequential control by the timer in the single chip computer AT, by carrying out timing sampling certain interval time, automatically realize test, storage, dormancy, the periodic duty process of test, temperature signal under the production wells simultaneously again.After test is finished, instrument is fetched into the ground playback of data from the down-hole, by analysis and after utilizing the real time temperature parametric compensation to handle, carries out data interpretation and printablely go out test result according to interpretation chart.

Claims

A kind of fluid operated pump downhole stored formula water cut test device is connected to form by screw thread successively by adapter sleeve (13), shell (11), tailstock (1), it is characterized in that:

1. in tailstock (1) vibroshock is installed, vibroshock is connected with sensor holder (7), and sensor (6) is housed in sensor holder (7);
2. sensor holder (7) is connected with instrument tube (9), and circuit board (8) and battery case (12) are housed in instrument tube (9).
3. the circuit on the circuit board (8) is by single chip computer AT, data-carrier store IC1, A/D converter IC2, power regulator IC3, reference voltage IC4, amplifier IC5, restorer IC6 is connected to form, the pin 18 of single chip computer AT, 19 and the pin 6 of data-carrier store IC1,5 are connected, the pin 4 of crystal oscillator Y1 and single chip computer AT, 5 are connected, the pin P1.0 of single chip computer AT, P1.1, P1.2 respectively with the pin 14 of A/D converter IC2,1,12 are connected, the pin 2 of crystal oscillator Y2 and A/D converter IC2,3 are connected, the pin 1 of single chip computer AT is connected with the pin 2 of restorer IC6, the pin 3 of restorer IC6 and the pin 4 of power regulator IC3,5,6 are connected, the pin 20 of single chip computer AT is connected with the pin 2 of power regulator IC3, the pin 10 of A/D converter IC2 is connected with the pin 6 of reference voltage IC4, the pin 16 of A/D converter IC2 is connected with the pin 4 of reference voltage IC4, the pin 7 of A/D converter IC2 and the pin 6 of amplifier IC5 are connected, the pin 2 of amplifier IC5,4 respectively with the pin 1 of sensor, 3 are connected.