CN201826829U - Testing tubular column stress tester - Google Patents
Testing tubular column stress tester Download PDFInfo
- Publication number
- CN201826829U CN201826829U CN2010205465820U CN201020546582U CN201826829U CN 201826829 U CN201826829 U CN 201826829U CN 2010205465820 U CN2010205465820 U CN 2010205465820U CN 201020546582 U CN201020546582 U CN 201020546582U CN 201826829 U CN201826829 U CN 201826829U
- Authority
- CN
- China
- Prior art keywords
- test device
- tubular column
- testing
- stress
- tester
- 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 - Lifetime
Links
Images
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a testing tubular column stress tester, and relates to the technical field of underground testing tools. The tester comprises a pit bottom testing tubular column stress tester and a pit brow testing tubular column stress tester, each tester comprises a testing tubular column stress tester body, a strain gauge, an analog/digital (A/D) conversion circuit board and a data processing and storage circuit board, the strain gauges are connected with the testing tubular column stress tester body and read stress variation quantity of the testing tubular column stress tester bodies at real time, the A/D conversion circuit boards are connected with the strain gauges and perform analog-digital conversion on read signals of the stress variation quantity, and the data processing and storage circuit boards are connected with the A/D conversion circuit boards and process and store converted signals. The testing tubular column stress tester matches with an underground tool used by an oil testing tubular column, can effectively record stress variation of the position of the testing tubular column stress tester during oil testing, monitors mechanical property of the testing tubular column during testing, and completes mechanical theory research on testing tubular columns.
Description
Technical field
The utility model relates to the downhole testing technical field of tools, exactly relates to a kind of stress test device that is used for writing down, storing and show formation testing process test string STRESS VARIATION situation.
Background technology
Along with deepening continuously of China's oil natural gas resource exploration and development, the formation testing measuring technology has obtained increasing attention.Advantages such as the formation testing technology is measured accurately with it, and content measurement is extensive are accelerating to bring into play important effect aspect the petroleum resources exploration and development speed.But along with applying of oil-gas Layer test, particularly along with the extensive use of oil-gas Layer measuring technology in a series of special wells such as deep-well, ultradeep well, the big discharge capacity well of HTHP is increasing, and test string also exposes increasing problem.Because the stratum has very big uncertainty, in the formation testing completion process, parameter variation ranges such as output, pressure, temperature are very big, sometimes even limiting value more than expected, strengthened that tubing string destroys and packer loses the risk of sealing.Above accident shows: in engineering reality, in the test process at deep-well, ultradeep well, definite shortage its corresponding theory foundation of design of string pipe and construction parameter has hindered formation testing technology further applying in deep-well, ultradeep well.If above problem can not finely solve, not only to influence further applying of formation testing technology, and will directly influence the development process of oil-gas exploration.Therefore, how science is understood the mechanical characteristic of test string under complex working condition exactly, is to guarantee the success of formation testing test jobs, improves one of key technology of test success rate.
For fear of the generation that tubing string destroys, packer loses the envelope accident, Chinese scholars and petroleum works technician have carried out a large amount of theories and in-house laboratory investigation to load, stress, the distortion of formation testing testing well lower tubular column.Yet the accuracy of formation testing testing well lower tubular column mechanical analysis lacks the field experiment checking always.
The utility model content
For solving the problems of the technologies described above, the utility model proposes a kind of record that is used for, the stress test device of test string STRESS VARIATION situation in storage and the demonstration formation testing process, the utility model arrives the down-hole down with tester, by the actual tubing string that measures in the formation testing test process in the load of down-hole, with checking, improve theoretical research and design formulas, solve the technical problem of existing in the above-mentioned prior art " in engineering reality; at deep-well; in the test process of ultradeep well; definite shortage its corresponding theory foundation of design of string pipe and construction parameter, having hindered the formation testing technology at deep-well; further applying in the ultradeep well " well.
The utility model is realized by adopting following technical proposals:
A kind of test string stress test device, it is characterized in that: comprise shaft bottom test string stress test device and well head test string stress test device two parts, the tester of every part includes test tube post stress test device body, be connected with stress test device body and read in real time described stress test device body STRESS VARIATION amount foil gauge, is connected with foil gauge and the STRESS VARIATION amount signal that is read in is carried out analog-to-digital A/D change-over circuit plate, and the data processing and the memory circuit plate that are connected with A/D change-over circuit plate and the signal after changing is handled and stored.
Be connected power supply with battery by the tester that stress test device body, foil gauge, A/D change-over circuit plate and data are handled with the memory circuit plate constitutes.
Described shaft bottom test string stress test device is applicable to 150 ℃ of temperature, the operating mode of pressure 150MPa.
Described well head test string stress test device is applicable to 125 ℃ of temperature, pressure 105MPa operating mode.
Compared with prior art, the beneficial effect that the utility model reached is as follows:
In the utility model, by the tester that stress test device body, foil gauge, A/D change-over circuit plate and data are handled and the memory circuit plate constitutes, the downhole tool that cooperates the formation testing test string to use, can will write down, store and show the STRESS VARIATION situation of test string stress test device present position in the formation testing process effectively, the mechanical property of monitoring test string in test process improved the research of test string theory of mechanics.
Tester is down to the down-hole, by the actual tubing string that measures in the formation testing test process in the load of down-hole, to verify, to improve theoretical research and design formulas, for in the actual engineering at the test process of deep-well, ultradeep well, the determining of design of string pipe and construction parameter provides its corresponding theory foundation, promoted formation testing technology further applying in deep-well, ultradeep well.
Description of drawings
The utility model is described in further detail below in conjunction with specification drawings and specific embodiments, wherein:
Fig. 1 is a structural representation of the present utility model
Mark among the figure:
1, foil gauge, 2, A/D change-over circuit plate, 3, data handle and the memory circuit plate, 4, battery.
The specific embodiment
With reference to Figure of description, preferred forms of the present utility model is: the test string stress test device of the utility model indication comprises two parts, shaft bottom test string stress test device and well head test string stress test device.Each stress test device all is to constitute schematic diagram such as Fig. 1 by test string stress test device body, foil gauge 1, A/D change-over circuit plate 2, processing and memory circuit plate, battery 4.Bright with the current signal that strain variation produced of stress test device under stress, be attached to foil gauge 1 counter stress on the stress test device and utilize A/D change-over circuit plate 2 that current signal is treated to data signal, utilize data to handle and memory circuit plate 3 is stored data.End to be tested trips out test string stress test device, the tubing string load that can obtain surveying.
Wherein, shaft bottom test string stress test device includes: HTHP lithium battery 4 (4), high temperature circuit plate (1 cover), high temperature strain foil 1 (5), shaft bottom test string stress test device body (1 cover).
Well head test string stress test device includes: HTHP lithium battery 4 (4), high temperature circuit plate (1 cover), high temperature strain foil 1 (5), well head test string stress test device body (1 cover).
In addition, comprise that also data write and reading software (1 cover), connector converter is some.
The workflow narration:
Workflow of the present utility model is: before the formation testing test, installation data writes and reading software at first on computers, by connector converter shaft bottom test string stress test device is connected with computer with well head test string stress test device, carry out the data storage method programming, again shaft bottom test string stress test device and well head test string stress test device are inserted test string correct position, G.I.H.In the formation testing test process, read in real time by strain variation on 1 pair of shaft bottom of foil gauge test string stress test device and the well head test string stress test device body, test string is calculated and stores in position stress, the temperature of shaft bottom test string stress test device and the access of well head test string stress test device.
After the formation testing test is finished, trip out shaft bottom test string stress test device and well head test string stress test device, shaft bottom test string stress test device is connected with computer by connector converter with well head test string stress test device, sense data result, and store in the mode of figure and form respectively and show on computers, so that post analysis.
Claims (4)
1. test string stress test device, it is characterized in that: comprise shaft bottom test string stress test device and well head test string stress test device two parts, the tester of every part includes test tube post stress test device body, the foil gauge (1) that is connected and reads in real time described stress test device body STRESS VARIATION amount with stress test device body, be connected with foil gauge (1) and the STRESS VARIATION amount signal that is read in is carried out analog-to-digital A/D change-over circuit plate (2), and be connected with A/D change-over circuit plate (2) and the data that the signal after the conversion is handled and stored are handled and memory circuit plate (3).
2. test string stress test device according to claim 1 is characterized in that: handle the tester that constitutes with memory circuit plate (3) by stress test device body, foil gauge (1), A/D change-over circuit plate (2) and data and be connected power supply with battery (4).
3. test string stress test device according to claim 1 is characterized in that: described shaft bottom test string stress test device is applicable to 150 ℃ of temperature, the operating mode of pressure 150MPa.
4. test string stress test device according to claim 1 is characterized in that: described well head test string stress test device is applicable to 125 ℃ of temperature, pressure 105MPa operating mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205465820U CN201826829U (en) | 2010-09-28 | 2010-09-28 | Testing tubular column stress tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205465820U CN201826829U (en) | 2010-09-28 | 2010-09-28 | Testing tubular column stress tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201826829U true CN201826829U (en) | 2011-05-11 |
Family
ID=43965372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205465820U Expired - Lifetime CN201826829U (en) | 2010-09-28 | 2010-09-28 | Testing tubular column stress tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201826829U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102589763A (en) * | 2012-01-30 | 2012-07-18 | 山东科技大学 | Performance online monitoring system for filler |
| CN102606149A (en) * | 2012-03-20 | 2012-07-25 | 长江水利委员会长江科学院 | Storage type geostress testing method and storage type geostress testing device by means of hole-wall strain method |
| CN103244105A (en) * | 2013-05-03 | 2013-08-14 | 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 | Axial tension recording system of storage-type well-entering oil tube |
| CN106351642A (en) * | 2016-09-22 | 2017-01-25 | 刘亢 | Measuring method for resistance of buckling tubular column |
-
2010
- 2010-09-28 CN CN2010205465820U patent/CN201826829U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102589763A (en) * | 2012-01-30 | 2012-07-18 | 山东科技大学 | Performance online monitoring system for filler |
| CN102589763B (en) * | 2012-01-30 | 2013-08-21 | 山东科技大学 | Performance online monitoring system for filler |
| CN102606149A (en) * | 2012-03-20 | 2012-07-25 | 长江水利委员会长江科学院 | Storage type geostress testing method and storage type geostress testing device by means of hole-wall strain method |
| CN103244105A (en) * | 2013-05-03 | 2013-08-14 | 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 | Axial tension recording system of storage-type well-entering oil tube |
| CN106351642A (en) * | 2016-09-22 | 2017-01-25 | 刘亢 | Measuring method for resistance of buckling tubular column |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203022725U (en) | Tester for testing stress of pipe pile | |
| CN104142388B (en) | Original position static(al) press-in test method in boring | |
| CN102042930B (en) | Gas hydrate mechanical property experiment device | |
| CN201826829U (en) | Testing tubular column stress tester | |
| CN204627582U (en) | Memory-type tubing string axial tension, torsiograph | |
| CN203551406U (en) | Soil-rock mass in-situ direct shear test device with automatic data acquisition system | |
| CN105333904A (en) | Coal rock upward borehole gas parameter measurement method | |
| CN106525637A (en) | Shale gas-content testing device and testing method | |
| CN101705677B (en) | Method and device for automatically detecting thicknesses of penetration type dregs | |
| CN206321530U (en) | A kind of shale air content test device | |
| CN2740766Y (en) | Directional coring device for rock core | |
| CN204924842U (en) | Portable mining blow detector | |
| CN114662360A (en) | Inversion method for constructing complex geological three-dimensional ground stress field by using multi-software combination | |
| AU2021101678A4 (en) | Method for testing soft rock ground stress in exploration engineering | |
| CN201749054U (en) | Mechanical property experimental device for natural gas hydrate | |
| CN202348267U (en) | Dual-purpose high-accuracy depth correction type underground tester and system | |
| CN201443081U (en) | Instrument for detecting bearing capacity and fill compactness of foundation soil on site | |
| CN101487749A (en) | Pile-sinking resistance measurement apparatus and method for static pressure pile | |
| CN106682757A (en) | Method and device for determining collapse pressure of borehole wall | |
| CN202348268U (en) | High-precision fracturing electronic pressure gauge | |
| CN204738809U (en) | Permanent electron pressure meter in pit that is fit for CCS | |
| CN204575041U (en) | A kind of anchor cable formula instrument of roof separation | |
| CN105203071B (en) | A kind of direction-finding device and direction-finding method for geostress survey | |
| CN207123442U (en) | A kind of experimental rig that deep rock-mass deformation is measured by amesdial | |
| CN115182321A (en) | Sensing controllable cavity sounding coring device and using method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110511 |
|
| CX01 | Expiry of patent term |