CN204627582U - Memory-type tubing string axial tension, torsiograph - Google Patents
Memory-type tubing string axial tension, torsiograph Download PDFInfo
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- CN204627582U CN204627582U CN201520219149.9U CN201520219149U CN204627582U CN 204627582 U CN204627582 U CN 204627582U CN 201520219149 U CN201520219149 U CN 201520219149U CN 204627582 U CN204627582 U CN 204627582U
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Abstract
The utility model belongs to oil, gas well technical field, relates to memory-type tubing string axial tension, torsiograph under a kind of oil well.This recorder comprises top connection, the lower contact be threaded with top connection, Circuits System, foil gauge group, the outer casing of Circuits System and the outer casing of foil gauge; Can measure by using this recorder and tubing string axial tension, torsiograph in stored record pressure break and well workover process simultaneously, have recorded the temperature, pressure change of down-hole any time and position, for the formulation of pressure break and well workover construction technology provides reliable empirical data simultaneously.
Description
Technical field
The utility model belongs to oil, gas well technical field, relates to a kind of down-hole string string tension torque register instrument, particularly relates to memory-type tubing string axial tension, torsiograph under a kind of oil well.
Background technology
In pressing crack construction process, stored record is carried out to tubing string tension force, analyze the stressed change of tubing string, for pressing crack construction design provides reference.Meanwhile, in well workover process, sometimes need lower bit operation, such as CST, drill bit mechanical descaling etc., wherein downhole motor is also known as down-hole motor, comprises turbodrill, helicoid hydraulic motor and electrodrill etc.; Drill string is creeping into, under the different duty of lower brill, trip-out etc., and drill string is subject to axial tension or pressure, moment of torsion etc.
In pressure break and workover treatment process, the mechanics design multi-source of construction pipe string is in theory calculate, and because underground work pipe string is complicated, well track differs, on-the-spot due to pipe string mechanical property deficiency, often down-hole accident occurs.Therefore need R & D design a kind of can stored record tension force, moment of torsion instrument, stored record is carried out to pipe string mechanical property, analyze the stressed change of tubing string, the pipe string mechanical state of the operations such as record makes a trip, pressure break, brill mill, well workover, for the working designs such as pressure break provide reference, greatly will improve the downhole pipeline mechanical behavior level of understanding, improve tool design level, for the de-disconnected reason analyzing tubing string provides important actual measurement foundation.
Utility model content
The utility model provides one and can be used for measuring and tubing string axial tension, torsiograph in stored record pressure break and well workover process simultaneously, have recorded the temperature, pressure change of down-hole any time and position, for the formulation of pressure break and well workover construction technology provides reliable empirical data simultaneously.
Technical solution of the present utility model is:
A kind of memory-type tubing string axial tension, torsiograph, is characterized in that: comprise top connection, the lower contact be threaded with top connection, Circuits System, foil gauge group, the outer casing of Circuits System and the outer casing of foil gauge;
The battery component that Circuits System comprises circuit board and is connected with circuit board; The external surface of top connection offers the first groove, and circuit board and battery component are installed in the first groove; It is outside for the protection of Circuits System that the outer casing of Circuits System is sleeved on top connection;
The external surface of lower contact offers the second groove, and foil gauge group is installed in the second groove; The outer wall of top connection offers circuit path; Circuit board is connected with foil gauge by circuit path, and the outer casing of foil gauge is set with the outside of sub-lower contact for the protection of foil gauge group.
The temperature pick up and pressure sensor that are connected with Circuits System respectively are also installed in above-mentioned first groove.
Above-mentioned first groove is divided into three separate spaces successively, is respectively used to install battery component, temperature pick up and pressure sensor and circuit board.
Above-mentioned foil gauge group is two groups, and one group of foil gauge group measures tension force, and another group foil gauge group measures moment of torsion; Described foil gauge group is made up of four foil gauges, and four foil gauges divide 90 degree, and symmetry is attached in lower contact.
Above-mentioned foil gauge is platinum formula foil gauge.
The coupling part of above-mentioned top connection and lower contact is provided with sealing ring; The outer casing of described Circuits System and the outer casing material of foil gauge group are titanium alloy.
The utility model has the advantage of:
1, this instrument directly can mount with oil pipe string, can be placed in net horizontal section, also can be placed in peupendicular hole section; Not only can be used for the measurement of formation breakdown tubing string string tension torque, the measurement of tubing string string tension torque when also can be used for well workover.
2, this instrument not only can measure tension torque two parameters simultaneously, the change of all right measuring well temperature and pressure of lower any time.
3, frame for movement aspect, novel structure, simple, easy to maintenance, good looking appearance, exquisiteness.Each position is designed with hook spanner mouth position, for convenience detach.
4, frame for movement is convenient to safety and is safeguarded, measurement category is wide, precision and resolution ratio high.
Accompanying drawing explanation
Fig. 1 is the utility model mechanical construction drawing.
1-top connection, 2-lower contact, 3-Circuits System, 4-foil gauge group, the outer casing of 5-Circuits System, 6-foil gauge group outer casing, 7-circuit board, 8-battery component, 9-first groove, 10-second groove, 11-circuit path, 12-temperature pick up, 13-pressure sensor.
Detailed description of the invention
As shown in Figure 1, the utility model proposes a kind of memory-type tubing string axial tension, torsiograph; This recorder comprises top connection 1, the lower contact 2 be threaded with top connection 1, Circuits System 3, foil gauge group 4, the outer casing 5 of Circuits System and the outer casing 6 of foil gauge;
Wherein, Circuits System 3 battery component 8 that comprises circuit board 7 and be connected with circuit board 7; The external surface of top connection 1 offers the first groove 9, and circuit board 7 and battery component 8 are installed in the first groove 9; The outer casing 5 of Circuits System is sleeved on top connection 1 outside for the protection of Circuits System 3; The external surface of lower contact 2 offers the second groove 10, and foil gauge group 4 is installed in the second groove 10; The outer wall of top connection 1 offers circuit path 11; Circuit board 7 is connected with foil gauge group 4 by circuit path 11, and the outer casing 6 of foil gauge is set with the outside of sub-lower contact 2 for the protection of foil gauge group 4.
Specifically, the temperature pick up 12 and pressure sensor 13 that are connected with Circuits System 3 respectively are also installed in first groove 10.
Specifically, the first groove 10 is divided into three separate spaces successively, is respectively used to install battery component 8, temperature pick up 12 and pressure sensor 13 and circuit board 7.
Specifically, foil gauge group 4 is two groups, and one group of foil gauge group measures tension force, and another group foil gauge group measures moment of torsion; Described foil gauge group is made up of four foil gauges, and four foil gauges divide 90 degree of symmetries to be attached in lower contact.
Specifically, described foil gauge is platinum formula foil gauge.
Specifically, top connection 1 is provided with sealing ring 14 with the coupling part of lower contact 2; The outer casing 5 of Circuits System and outer casing 6 material of foil gauge group are titanium alloy.
Below illustrating the application's recorder and its all parts:
The recorder external diameter 114mm of the application, internal diameter 60mm; The overall withstand voltage 100MPa of instrument, heatproof-40 ~ 150 DEG C, self sealss leakproof; Maximum pull test peak value is not less than 80t, and torsion-testing is not less than 5KN.M, test error <1%; Can measure and store tension force, moment of torsion, temperature, pressure and other parameters;
The Circuits System of memory-type tubing string axial tension, torsiograph is made up of circuit board and battery component.The critical piece of circuit board is single-chip microcomputer, and battery component adopts 2 joint 3.9V high temperature high power lithium batteries.Instrument mechanical part mainly comprises: lower contact, top connection, foil gauge circuit outer casing and sensor casing etc.By being threaded between lower contact with top connection, and seal with double sealing circle;
In addition, top connection adopts eccentric structure, and the wall thickness of top connection is different, and the first groove is opened in the outer thicker position of top connection, and be process three parts at a certain angle during machined grooves, battery component, temperature pick up and circuit board and pressure sensor are installed successively;
Top connection is connected by screw thread with the outer casing of Circuits System, and top and bottom are respectively equipped with two seals circle; Meanwhile, the outer casing of Circuits System and the outer casing of foil gauge adopt titanium alloy manufacture, when preventing dismounting pillar from changing battery, snap fastener phenomenon occur;
Instrument utilize lower contact be used for measuring oil pipe up and down between tension torque, the foil gauge group that lower contact is installed is the chief component of instrument.Foil gauge group is made up of two groups of foil gauges, and one group of foil gauge measures tension force, and one group of foil gauge measures moment of torsion, and foil gauge symmetry is attached on sensor carrier.Often organize foil gauge to be made up of four foil gauges, four foil gauges divide 90 degree of symmetries to be attached on carrier, and each composition Wheatstone bridge, tests tension force, moment of torsion respectively.Meanwhile, instrument itself adds temperature-compensating and drift compensates, and makes output signal more stable.And may exist due to tension torque, eliminate influencing each other between moment of torsion and tension force. simultaneouslyFoil gauge adopts platinum formula foil gauge, and carrier material is 17-4PH, and material, through specially treated, makes the change in displacement of sensor change along with the change of tension force, moment of torsion.
The change of foil gauge group output voltage signal, is proportional to foil gauge axis or radial-deformation, so detect sensor output voltage change amount signal, just can obtain the size and Orientation of tension torque sensor axial tensile force or radial moment of torsion.The tension force range of foil gauge group is-80 ~ 80t, and precision is 0.5%, and moment of torsion range is 0 ~ 5KN.M, and precision is 0.5%, and serviceability temperature is-40 DEG C ~ 150 DEG C, sensor safe overload level 120%FS, extreme overload scope 150%FS.Transducer excitation voltage is 5 ~ 12V, it is the voltage signal of-12 ~ 12mv that tension signal exports a range, it is the voltage signal of 0 ~ 12mV that torque signal exports a range, total working electric current is 6mA, is gathered by AD, is then processed by single-chip microcomputer, and be stored in inside flash, after completing Deng well logging, communicated with PC by direct-reading instrument, processed by upper computer software;
After the processing of foil gauge group and paster complete, need to carry out mark inspection, mark inspection needs the mark inspection platform of specialty, carry out the inspection of tension force mark with high precision pull machine, carry out the inspection of pressure mark with high-precision pressure machine, high accuracy moment of torsion platform carries out the inspection of moment of torsion mark, demarcation tension force, pressure is carried out according to calculating every 100KN step, after mark inspection, precision reaches 0.5%, and every 500N.M step carries out demarcation moment of torsion, and after mark inspection, precision reaches 0.5%.
Instrument is also added with temperature pick up, to test downhole temperature, and carry out necessary compensation to tension torque parameter, temperature pick up adopts PT1000 RTD measures ambient temperature, adopt constant-current source activation temperature sensor, signal input circuit plate carries out AD conversion measurement;
Oil pipe internal pressure has impact to a certain degree to tension force, torque parameter, eliminates error, can monitor oil pipe internal pressure simultaneously by the way of plus-pressure sensor.After compensation, pressure measurement range 0 ~ 100MPa, pressure precision is within 0.1%, and tension torque compensation precision is within 1%;
Lower contact outer wall cover has foil gauge group sensor casing, and foil gauge group sensor casing is with top connection by being threaded, and top and bottom are respectively equipped with two seals circle;
In view of instrument is memory-type instrument, instrument uses battery component to power, and during circuit design while meeting parameter measurement performance, need fully take into account the problem such as circuit power consumption and battery discharge ability.Adopt low-work voltage, low-power chip collection signal during design treatment circuit, control the measures such as power supply output.For storing mass data during well logging, high density high-capacity FLASH need be used.Whole circuit board is made up of power circuit, circuitry for signal measurement, single chip circuit etc.;
Single-chip microcomputer, while guarantee accurate transformation tension force, moment of torsion, temperature, pressure, significantly decreases the use of external circuit elements, reaches and simplifies circuit structure, reduces power consumption and strengthen instrument functional reliability object.Instrument hardware adopts supply monitor and " house dog " technology in addition, software adopts multilevel security safeguard measure, ensures the job stability of instrument.
Battery component adopts 2 joints No. 5 (AA type) High Temperature Lithium Cell to power, nominal voltage 3.9V, operating temperature-20 DEG C ~ 150 DEG C, electricity 1.6Ah, nominal discharge current 20mA, maximum continuous discharge electric current 150mA.Two batteries series connection, total voltage is 7.8V.Adopt TPS7233 power supply chip to provide 3.3V to power for treatment circuit, this chip is LDO linear voltage drop chip, and static working current is 180uA, and input voltage range is 4.3V ~ 10V, and output current is 250mA to the maximum.Wherein battery 7.8V voltage is directly to amplifier and voltage reference chip power supply, and by Single-chip Controlling, in non-acquired data time, is in closed condition.Single-chip microcomputer quiescent current is 20uA, and instrument quiescent current is 0.2mA, and during instrument sampling, operating current is 12mA.When maximum sample frequency is 1 second, the sampling time is 0.5 second, continuous operation needs power consumption in 7 days: 0.2mA × 24 × 7 × 0.5+12mA × 7 × 24 × 0.5=1.025Ah, and instrument working time of going into the well is 7 days.
Signals collecting completes primarily of ADUC845BS62-3 single-chip microcomputer, and crystal oscillator is 32.768KHz high temperature crystal oscillator, and single-chip microcomputer is powered by 3.3V, and operating current is 4.8mA, and quiescent current is 20uA.Adopt AT45DB642D memory storage of measurement data, memory capacity is 64Mbit, and supply voltage is 2.7V ~ 3.6V, and static working current is 25uA.Instrument can deposit 960,000 sampled datas and corresponding sampling interval, and sampling interval value is minimum is 1 second.The power consumption of instrument is pressed minimum interval continuous operation in 1 second and is calculated, and within one day, power consumption is: 24* (12+0.2) * 0.5=146.4mAh, then instrument can work 1600/146.4=11 days, and the sampling time interval longer then instrument working time is longer.
Instrument Design is safe and reliable, and anti-anti-avulsion situation of breaking occurs; Frame for movement is novel, simple, dismounting, easy to maintenance; Instrument internal carries out Modular Structure Design, improves reliability, and instrument has corrosion proof function (not containing acidifying).
According to the design requirement of memory-type tubing string axial tension, torsiograph, Aided design host computer PC software, upper computer software mainly comprises functional module:
1. serial port setting: the function realizing communication detection, inspect by instrument comprises beginning direct-reading, the functions such as optimum configurations of going into the well;
2. the sampling interval is arranged: the sampling interval can according to practice of construction situation many groups setting, and the minimum sampling interval is 1s;
3. inspect by instrument: display tension force, moment of torsion, temperature, pressure data and curve, check instrument;
4. data processing: realize, to the mark checking functions of tension force, moment of torsion, temperature, pressure, parameters calibration data can being generated, simultaneously printable calibrating form; During playback instrument data, be separated tension force, moment of torsion, temperature, pressure data, calculate according to each parameter scale, display tension force, moment of torsion, temperature, pressure curve, preserve data file, correct printing initial data form and primitive curve etc.;
5. system exits.
The utility model is used to the instrument measuring oil pipe string tension torque.Can be applicable to pressure break, also can be used for well workover.By the heavy wall tubing screw thread of top connection upper end and tension torque sensor lower end, the optional position of oil pipe string can be connected to, net horizontal section can be placed in, also peupendicular hole section can be placed in, an oil pipe string can connect multiple instrument, whole tubing string stressing conditions is measured and analyzed, the well hydraulic coupling of instrument present position and the delta data of temperature can be obtained simultaneously, for carrying out assessment in early stage and technology establishment to similar pressure break or workover process.
Above content is in conjunction with concrete preferred embodiment further detailed description of the utility model; can not assert that detailed description of the invention of the present utility model is only limitted to this; for the utility model person of an ordinary skill in the technical field; without departing from the concept of the premise utility; some simple deduction or replace can also be made, all should be considered as belonging to the utility model by submitted to claims determination scope of patent protection.
Claims (6)
1. memory-type tubing string axial tension, a torsiograph, is characterized in that: comprise top connection, the lower contact be threaded with top connection, Circuits System, foil gauge group, the outer casing of Circuits System and the outer casing of foil gauge;
The battery component that Circuits System comprises circuit board and is connected with circuit board; The external surface of top connection offers the first groove, and circuit board and battery component are installed in the first groove; It is outside for the protection of Circuits System that the outer casing of Circuits System is sleeved on top connection;
The external surface of lower contact offers the second groove, and foil gauge group is installed in the second groove; The outer wall of top connection offers circuit path; Circuit board is connected with foil gauge by circuit path, and the outer casing of foil gauge is set with the outside of sub-lower contact for the protection of foil gauge group.
2. memory-type tubing string axial tension according to claim 1, torsiograph, is characterized in that: be also provided with the temperature pick up and pressure sensor that are connected with Circuits System respectively in described first groove.
3. memory-type tubing string axial tension according to claim 2, torsiograph, it is characterized in that: described first groove is divided into three separate spaces successively, be respectively used to battery component, temperature pick up and pressure sensor and circuit board are installed.
4. the memory-type tubing string axial tension according to the arbitrary claim of claim 1-3, torsiograph, is characterized in that: described foil gauge group is two groups, and one group of foil gauge group measures tension force, and another group foil gauge group measures moment of torsion; Described foil gauge group is made up of four foil gauges, and four foil gauges divide 90 degree, and symmetry is attached in lower contact.
5. memory-type tubing string axial tension according to claim 4, torsiograph, is characterized in that: described foil gauge is platinum formula foil gauge.
6. memory-type tubing string axial tension according to claim 5, torsiograph, is characterized in that: the coupling part of described top connection and lower contact is provided with sealing ring; The outer casing of described Circuits System and the outer casing material of foil gauge group are titanium alloy.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520219149.9U CN204627582U (en) | 2015-04-10 | 2015-04-10 | Memory-type tubing string axial tension, torsiograph |
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| CN201520219149.9U CN204627582U (en) | 2015-04-10 | 2015-04-10 | Memory-type tubing string axial tension, torsiograph |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105370220A (en) * | 2015-11-20 | 2016-03-02 | 武汉理工大学 | Underground multiparameter measuring short joint |
| CN106014392A (en) * | 2016-07-12 | 2016-10-12 | 中国石油集团长城钻探工程有限公司 | Wireless parameter measurement-while-drilling device for well site |
| CN107503745A (en) * | 2016-06-14 | 2017-12-22 | 中国石油化工股份有限公司 | A kind of method of shaft bottom bit wear state monitoring while drilling |
| CN107503744A (en) * | 2016-06-14 | 2017-12-22 | 中国石油化工股份有限公司 | A kind of device of shaft bottom bit wear state monitoring while drilling |
| CN108225664A (en) * | 2017-12-28 | 2018-06-29 | 贵州高峰石油机械股份有限公司 | A kind of device for being used to check Petroleum Down-hole Tool dismounting test stand precision |
| CN108544416A (en) * | 2018-07-11 | 2018-09-18 | 东莞市速动电子科技有限公司 | A kind of brushless servo electric screw driver |
| CN108798627A (en) * | 2018-04-28 | 2018-11-13 | 中国石油集团工程技术研究院有限公司 | One kind is with torch measuring system under drilling well and method |
| CN114198014A (en) * | 2021-12-06 | 2022-03-18 | 北京信息科技大学 | Torsion impactor with working state self-monitoring function |
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2015
- 2015-04-10 CN CN201520219149.9U patent/CN204627582U/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105370220A (en) * | 2015-11-20 | 2016-03-02 | 武汉理工大学 | Underground multiparameter measuring short joint |
| CN107503745A (en) * | 2016-06-14 | 2017-12-22 | 中国石油化工股份有限公司 | A kind of method of shaft bottom bit wear state monitoring while drilling |
| CN107503744A (en) * | 2016-06-14 | 2017-12-22 | 中国石油化工股份有限公司 | A kind of device of shaft bottom bit wear state monitoring while drilling |
| CN106014392A (en) * | 2016-07-12 | 2016-10-12 | 中国石油集团长城钻探工程有限公司 | Wireless parameter measurement-while-drilling device for well site |
| CN108225664A (en) * | 2017-12-28 | 2018-06-29 | 贵州高峰石油机械股份有限公司 | A kind of device for being used to check Petroleum Down-hole Tool dismounting test stand precision |
| CN108225664B (en) * | 2017-12-28 | 2023-09-12 | 贵州高峰石油机械股份有限公司 | Device for checking accuracy of dismounting test stand of petroleum downhole tool |
| CN108798627A (en) * | 2018-04-28 | 2018-11-13 | 中国石油集团工程技术研究院有限公司 | One kind is with torch measuring system under drilling well and method |
| CN108798627B (en) * | 2018-04-28 | 2022-04-22 | 中国石油天然气集团有限公司 | While-drilling downhole torque measurement system and method |
| CN108544416A (en) * | 2018-07-11 | 2018-09-18 | 东莞市速动电子科技有限公司 | A kind of brushless servo electric screw driver |
| CN108544416B (en) * | 2018-07-11 | 2024-04-02 | 速动智能拧紧技术(广东)有限公司 | Brushless servo electric screwdriver |
| CN114198014A (en) * | 2021-12-06 | 2022-03-18 | 北京信息科技大学 | Torsion impactor with working state self-monitoring function |
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