CN108594308A - A kind of oil/gas well wave velocity testing device and method - Google Patents
A kind of oil/gas well wave velocity testing device and method Download PDFInfo
- Publication number
- CN108594308A CN108594308A CN201810770393.2A CN201810770393A CN108594308A CN 108594308 A CN108594308 A CN 108594308A CN 201810770393 A CN201810770393 A CN 201810770393A CN 108594308 A CN108594308 A CN 108594308A
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- Prior art keywords
- sensor
- displacement
- wave velocity
- oil
- gas well
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Links
- 238000012360 testing method Methods 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title abstract description 7
- 229920003023 plastic Polymers 0.000 claims abstract description 47
- 239000004033 plastic Substances 0.000 claims abstract description 47
- 238000006073 displacement reaction Methods 0.000 claims abstract description 45
- 230000001464 adherent effect Effects 0.000 claims abstract description 43
- 230000001105 regulatory effect Effects 0.000 claims abstract description 12
- 230000001276 controlling effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims 1
- 238000005553 drilling Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- VEMKTZHHVJILDY-UHFFFAOYSA-N resmethrin Chemical compound CC1(C)C(C=C(C)C)C1C(=O)OCC1=COC(CC=2C=CC=CC=2)=C1 VEMKTZHHVJILDY-UHFFFAOYSA-N 0.000 description 1
- 238000009666 routine test Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/40—Seismology; Seismic or acoustic prospecting or detecting specially adapted for well-logging
- G01V1/44—Seismology; Seismic or acoustic prospecting or detecting specially adapted for well-logging using generators and receivers in the same well
- G01V1/48—Processing data
- G01V1/50—Analysing data
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V2210/00—Details of seismic processing or analysis
- G01V2210/60—Analysis
- G01V2210/62—Physical property of subsurface
- G01V2210/622—Velocity, density or impedance
- G01V2210/6222—Velocity; travel time
Landscapes
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- Remote Sensing (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Geophysics And Detection Of Objects (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The invention discloses a kind of oil/gas well wave velocity testing device and method, test device uses adherent plastic shrapnel (3), sonic sensor (4), Acoustic Signal Acquisition and analyzer (1), sensor support base (8), digital compass instrument (7), compass and displacement display (2).When carrying out oil/gas well wave velocity testing, adjusting plastic shrapnel regulating nut (10) makes each group sonic sensor (4) be close to the borehole wall, receive sound wave by combined type transmitting, each section acoustic signals are tested by ground Acoustic Signal Acquisition and analyzer (1), the length in digital compass instrument (7) direction and sensor support base (8) digital displacement sensor (9) is read by compass and displacement display (2).The present invention is easy to operate, and equipment is light, high-precision can obtain the value of wave speed for certain test position all directions that drill, underlying parameter is provided to accurately calculate crustal stress, air content and Bai Song ratios etc..
Description
Technical field
The present invention relates to a kind of oil/gas well wave velocity testing device and methods, belong to technical field of geophysical exploration.
Background technology
In oil gas, the prospecting of coal seam gas drilling hole, the routine test difficulty for the deeper crustal stress of drilling is bigger, how light quick survey
The three-component crustal stress value for trying a certain position of deep drill, is urgent need to solve the problem in oil gas, cbm exploration.A certain rock mass
In, the increase of velocity of wave and the increase of crustal stress are positive correlation, as long as obtaining accurate rock mass velocity value, so that it may calculate it
Suffered crustal stress value obtains maximally stress value and direction.Existing acoustic logging is mainly section well logging, generally can only
The value of wave speed of a certain section is obtained, comprehensive stress value is then calculated, and outgoing direction can not be given.More advanced test such as dipole
Son, crossed dipoles (MAC, XMAC) array sonic log can be calculated substantially by shear wave idol grade cross fire acceptance test
The direction of underground horizontal principal stress, but concrete numerical value size can not be provided.
Invention content
The technical problem to be solved by the present invention is to：A kind of oil/gas well wave velocity testing device and method is provided, is reconnoitred in drilling
In, multi-faceted, adherent acoustic logging is carried out to a certain section, high-precision sound wave value is obtained, to accurately calculate crustal stress, Bai Song
Than etc. provide underlying parameter.
Technical scheme is as follows：
A kind of oil/gas well wave velocity testing device, including base shaft and adherent plastic shrapnel；
The more adherent plastic shrapnels are circumferentially distributed along base shaft, and the adherent plastic shrapnel both ends are lived with base shaft respectively
Dynamic connection；
It is arranged at intervals at least two in the base shaft and in the space that the more adherent plastic shrapnels are enclosed
The digital compass of a sensor support base and one, the displacement bar outer end of digital displacement sensor is passed with sound wave on sensor support base
Sensor connects, and sonic sensor is connected with adherent plastic shrapnel；
The sonic sensor is connect with Acoustic Signal Acquisition with analyzer.
The digital compass instrument and digital displacement sensor are connect with compass with displacement display；
The sensor support base, displacement bar and sonic sensor are in approximately the same plane, and sonic sensor position is by adherent modeling
Expect the displacement bar outer end co- controlling of digital displacement sensor on shrapnel and sensor support base.
The adherent plastic shrapnel includes upper stretch section and lower stretch section, is rigidity between upper stretch section and lower stretch section
Section, the sonic sensor are connect with rigid section.
The displacement bar outer end being connect with the sonic sensor fixes in sensor support base upper position, front and back can freely stretch
Contracting, collapsing length is measured by digital displacement sensor and compass is read with displacement display.
There are two the sensor support bases, and the spacing of upper and lower sensor support base is 120mm~350mm.
The adherent plastic shrapnel both ends are flexibly connected with base shaft respectively, and base shaft is upper and lower respectively, and there are one plastic shrapnels to adjust
Nut, plastic shrapnel regulating nut are threadedly coupled with base shaft, for adjusting adherent plastic shrapnel upper and lower end to control adherent modeling
Expect that shrapnel is adherent elastic.
The Acoustic Signal Acquisition that the sonic sensor, digital compass instrument and digital displacement sensor pass through cable and ground
It is connect with displacement display with analyzer and compass.
A kind of oil/gas well wave velocity testing method using above-mentioned test device adjusts adherent plastics bullet in wave velocity testing
Piece makes multiple sonic sensors be close to the borehole wall, is emitted by combined type and receives sound wave, by ground Acoustic Signal Acquisition and analyzer
Each section acoustic signals are tested, digital displacement on digital compass instrument direction and sensor support base is read by compass and displacement display
The length of sensor.
The test device of the present invention is substantially a kind of multi-faceted adherent sonic test device, and which employs adherent plastics bullets
Piece, sonic sensor, Acoustic Signal Acquisition and analyzer, sensor support base, digital compass instrument, compass and displacement display etc.,
This device is equipped with sonic sensor on multigroup adherent plastic shrapnel, in wave velocity testing, adjusts plastic shrapnel regulating nut
So that each group sonic sensor is close to the borehole wall, sound wave is received by combined type transmitting, is surveyed by ground Acoustic Signal Acquisition and analyzer
Each section acoustic signals are tried, reading digital displacement on digital compass instrument direction and sensor support base by compass and displacement display passes
The length of sensor.
When practical application of the present invention, in upper and lower two layers of arrangement sonic test point in the multiple orientation of certain test position that drill, along well
Wall carries out multidirectional wave velocity testing, and the calculating of the digital displacement sensor connected with sonic sensor using digital compass instrument is grown
Degree obtains the position of test point, and acoustic signals by processing and are calculated with test position, and the value of wave speed of all directions can be obtained.We
Method is easy to operate, and equipment is light, high-precision can obtain the value of wave speed for certain test position all directions that drill, to accurately calculate answer
Power, air content and Bai Song ratios etc. provide underlying parameter.
Description of the drawings
Fig. 1 is the structural schematic diagram of apparatus of the present invention；
In figure：1- Acoustic Signal Acquisitions and analyzer, 2- compass and the adherent plastic shrapnel of displacement display, 3-, 4- sound waves
Sensor, 5- cables, 6- base shafts, 7- digital compass instrument, 8- sensor support bases, 9- digital displacement sensors, 10- plastic shrapnel tune
Save nut.
Specific implementation mode
The structure and test method of the present invention are further described below in conjunction with the accompanying drawings, but claimed range is not limited to
In described.
As shown in Figure 1, linear 6 upper edge of base shaft its be circumferentially with 6 groups of adherent plastic shrapnels 3 (6 groups of adherent plastic shrapnels
3 upper/lower terminal is connected with an annulus respectively, and annulus can be free to slide along base shaft 6), 6 groups of formation of adherent plastic shrapnel 3
Space in and upper and lower two sensor support bases 8 being mutually parallel, upper and lower two sensor support bases 8 are provided in base shaft 6
Between spacing value 200mm, wherein 8 upper end of sensor support base of top is additionally provided with a digital compass 7, sensor
Circumferentially be connected with 6 digital displacement sensors 9 and displacement bar on bearing 8, on adherent plastic shrapnel 3 and it is corresponding it is upper,
8 position of lower sensor bearing is respectively provided with 1 group of sonic sensor 4, the displacement rod end of digital displacement sensor 9 on sensor support base 8
It is connect respectively with each sonic sensor 4, sonic sensor 4, digital compass instrument 7 and digital displacement sensor 9 pass through cable 5 and ground
The Acoustic Signal Acquisition in face is connect with analyzer 1 and compass with displacement display 2, and it is adherent that base shaft 6 is equipped with upper and lower two adjustings
The adherent plastic shrapnel regulating nut 10 of plastic shrapnel 3, plastic shrapnel regulating nut 10 are threadedly coupled with base shaft 6, rotary plastic
Shrapnel regulating nut 10 is moved along base shaft 6, and end face driving annulus is moved along base shaft 6, to drive adherent plastics bullet
Piece 3 deforms adherent.
It should be noted that there are two types of characteristics for adherent plastic shrapnel 3, in plastic shrapnel regulating nut 10 and sonic sensor 4
Between be elastic stage, be inelastic state between upper and lower sonic sensor 4, upper and lower sonic sensor 4 here refers to
Two groups of sonic sensors 4 corresponding to upper and lower two sensor support bases 8, and two groups of sonic sensors 4 are in adherent plastic shrapnel 3
On junction between that section of adherent plastic shrapnel 3 be rigidity, will not deform, be easy to be bonded the borehole wall, and two groups of sound waves pass
That section of adherent plastic shrapnel 3 between sensor 4 and plastic shrapnel regulating nut 10 shows as resilient distortable condition, in plastics bullet
It can occur bending and deformation under the action of piece regulating nut 10.As a kind of realization method, the thickness of stretch section is nonelastic range
The 70% of thickness, in this way deformation are preferentially happened at stretch section, to keep nonelastic range linearly adherent and stretch section bending.
In wave velocity testing, adjusting plastic shrapnel regulating nut 10 makes each group sonic sensor 4 be close to the borehole wall, passes through combination
Formula transmitting receives sound wave, tests each section acoustic signals by ground Acoustic Signal Acquisition and analyzer 1, is shown by compass and displacement
Device 2 reads the length of digital displacement sensor on 7 direction of digital compass instrument and sensor support base 8, completes a certain position of oil/gas well
Sonic test.
Claims (8)
1. a kind of oil/gas well wave velocity testing device, it is characterised in that：Including base shaft (6) and adherent plastic shrapnel (3)；Described in more
Adherent plastic shrapnel (3) is circumferentially distributed along base shaft (6), and the adherent plastic shrapnel (3) both ends connect with base shaft (6) activity respectively
It connects；
It is arranged at intervals at least on the base shaft (6) and in the space that the more adherent plastic shrapnels (3) are enclosed
The digital compass (7) of two sensor support bases (8) and one, the displacement of digital displacement sensor (9) on sensor support base (8)
Bar outer end is connect with sonic sensor (4), and sonic sensor (4) is connected with adherent plastic shrapnel (3)；
The sonic sensor (4) connect with Acoustic Signal Acquisition with analyzer (1)；
The digital compass instrument (7) and digital displacement sensor (9) are connect with compass with displacement display (2).
2. a kind of oil/gas well wave velocity testing device according to claim 1, it is characterised in that：The sensor support base (8),
Displacement bar and sonic sensor (4) are in approximately the same plane, and sonic sensor (4) position is by adherent plastic shrapnel (3) and sensor
The displacement bar outer end co- controlling of digital displacement sensor (9) on bearing (8).
3. a kind of oil/gas well wave velocity testing device according to claim 1, it is characterised in that：The adherent plastic shrapnel
(3) include upper stretch section and lower stretch section, between upper stretch section and lower stretch section be rigid section, the sonic sensor (4) with
Rigid section connects.
4. a kind of oil/gas well wave velocity testing device according to claim 1, it is characterised in that：With the sonic sensor
(4) the displacement bar outer end connected fix in sensor support base (8) upper position, front and back retractable, collapsing length is by digit order number
Displacement sensor (9) is measured and is read by compass and displacement display (2).
5. a kind of oil/gas well wave velocity testing device according to claim 1, it is characterised in that：The sensor support base (8)
There are two, the spacing of upper and lower sensor support base (8) is 120mm~350mm.
6. a kind of oil/gas well wave velocity testing device according to claim 1, it is characterised in that：The adherent plastic shrapnel
(3) both ends are flexibly connected with base shaft (6) respectively, and base shaft (6) is upper and lower, and respectively there are one plastic shrapnel regulating nut (10), plastics bullets
Piece regulating nut (10) is threadedly coupled with base shaft (6), for adjusting adherent plastic shrapnel (3) upper and lower end to control adherent modeling
Expect that shrapnel (3) is adherent elastic.
7. a kind of oil/gas well wave velocity testing device according to claim 1, it is characterised in that：The sonic sensor (4),
Digital compass instrument (7) and digital displacement sensor (9) by cable (5) and the Acoustic Signal Acquisition on ground and analyzer (1) and
Compass is connect with displacement display (2).
8. a kind of oil/gas well wave velocity testing method using the test device of claim 1,2,3,4,5,6 or 7, feature exists
In：When wave velocity testing, adjusting adherent plastic shrapnel (3) makes multiple sonic sensors (4) be close to the borehole wall, is connect by combined type transmitting
Quiet down wave, each section acoustic signals is tested by ground Acoustic Signal Acquisition and analyzer (1), by compass and displacement display (2)
Read the length of digital displacement sensor (9) on digital compass instrument (7) direction and sensor support base (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810770393.2A CN108594308B (en) | 2018-07-13 | 2018-07-13 | Device and method for testing wave velocity of oil and gas well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810770393.2A CN108594308B (en) | 2018-07-13 | 2018-07-13 | Device and method for testing wave velocity of oil and gas well |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108594308A true CN108594308A (en) | 2018-09-28 |
| CN108594308B CN108594308B (en) | 2024-03-19 |
Family
ID=63618320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810770393.2A Active CN108594308B (en) | 2018-07-13 | 2018-07-13 | Device and method for testing wave velocity of oil and gas well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108594308B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5726951A (en) * | 1995-04-28 | 1998-03-10 | Halliburton Energy Services, Inc. | Standoff compensation for acoustic logging while drilling systems |
| CN2638064Y (en) * | 2003-07-09 | 2004-09-01 | 石油大学(华东) | Rock scraps sonic wave wave speed measuring device |
| CN103437756A (en) * | 2013-09-12 | 2013-12-11 | 北京环鼎科技有限责任公司 | Dipole array acoustic logging instrument |
| CA2953328A1 (en) * | 2014-07-18 | 2016-01-21 | Halliburton Energy Services, Inc. | Formation density or acoustic impedance logging tool |
| CN208537726U (en) * | 2018-07-13 | 2019-02-22 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of oil/gas well wave velocity testing device |
-
2018
- 2018-07-13 CN CN201810770393.2A patent/CN108594308B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5726951A (en) * | 1995-04-28 | 1998-03-10 | Halliburton Energy Services, Inc. | Standoff compensation for acoustic logging while drilling systems |
| CN2638064Y (en) * | 2003-07-09 | 2004-09-01 | 石油大学(华东) | Rock scraps sonic wave wave speed measuring device |
| CN103437756A (en) * | 2013-09-12 | 2013-12-11 | 北京环鼎科技有限责任公司 | Dipole array acoustic logging instrument |
| CA2953328A1 (en) * | 2014-07-18 | 2016-01-21 | Halliburton Energy Services, Inc. | Formation density or acoustic impedance logging tool |
| CN208537726U (en) * | 2018-07-13 | 2019-02-22 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of oil/gas well wave velocity testing device |
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| Publication number | Publication date |
|---|---|
| CN108594308B (en) | 2024-03-19 |
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