CN109025980A - The drilling interior orientation device of hydraulic fracturing detecting earth stress - Google Patents
The drilling interior orientation device of hydraulic fracturing detecting earth stress Download PDFInfo
- Publication number
- CN109025980A CN109025980A CN201810587989.9A CN201810587989A CN109025980A CN 109025980 A CN109025980 A CN 109025980A CN 201810587989 A CN201810587989 A CN 201810587989A CN 109025980 A CN109025980 A CN 109025980A
- Authority
- CN
- China
- Prior art keywords
- footstock
- circumferentor
- outer sleeve
- pressure switch
- inner support
- 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.)
- Granted
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 22
- 239000003292 glue Substances 0.000 claims abstract description 22
- 239000007788 liquid Substances 0.000 claims abstract description 22
- 238000005192 partition Methods 0.000 claims abstract description 11
- 239000004020 conductor Substances 0.000 claims abstract description 10
- 241000931888 Pyxis Species 0.000 claims description 18
- 238000007789 sealing Methods 0.000 claims description 10
- 238000005538 encapsulation Methods 0.000 claims description 5
- 238000005286 illumination Methods 0.000 claims description 2
- 238000005259 measurement Methods 0.000 abstract description 2
- 239000011435 rock Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 239000007787 solid Substances 0.000 description 4
- 239000000084 colloidal system Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/25—Methods for stimulating production
- E21B43/26—Methods for stimulating production by forming crevices or fractures
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/02—Determining slope or direction
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses a kind of drilling interior orientation devices of hydraulic fracturing detecting earth stress, include footstock and outer sleeve, footstock upper end is connected through a screw thread with packer lower end, footstock lower end is connected through a screw thread with outer sleeve upper end, inner support and pressure switch are also connected in footstock lower end, inner support and pressure switch are located inside outer sleeve, battery pack is additionally provided in outer sleeve inner, ultraviolet lamp and the circumferentor for being packaged with liquid UV glue, circumferentor is fixed on inner support lower end, battery pack and ultraviolet lamp are fixed in the middle part of inner support by middle partition, and the dial plate face of ultraviolet lamp and circumferentor, the pressure port set in pressure switch and footstock is connected to, pressure port is connected to packer inner cavity, battery pack inputs contact with pressure switch by the first bundle conductor and connect, ultraviolet lamp is connect by the second bundle conductor with pressure switch output contact.The drilling interior orientation device of the utility model can resist any vibration interference measurement error caused by the loosening and deflection of compass needle.
Description
Technical field
The present invention relates to rock mass in-situ test technical fields, and in particular to a kind of hydraulic fracturing detecting earth stress
Drill interior orientation device.
Background technique
The principal direction of stress of hydraulic fracturing detecting earth stress is obtained using impression method, and basic functional principle is: being utilized
The asphalitine colloid print of packer outer layer takes drilling rock masses fracturing crack, and utilizes the synchronous acquisition side of the orienting device of device bottom
Position data, then determine the specific orientation in rock masses fracturing crack.Orienting device currently used for hydraulic fracturing test is main
Several technical solutions such as the circumferentor using clinograph, drilling camera technique and locking function.
Wherein, using the scheme of clinograph, the camera technique that drills, due to needing to arrange sensing in drilling direction finder
Device or camera, store circuit, power supply etc., device structure is complicated, seal request is high, involves great expense, it is caused practical to make
It is restricted with range.
Wherein, the circumferentor scheme of locking function, the basic principle is that: by arranging pressure drive mechanism, work as print
When pressure in mold reaches preset pressure value, the compression bar of transmission mechanism pushes the locking button of triggering circumferentor, and then ground
Rigid elastic slice in matter compass, which compresses compass needle, makes it that can not rotate and realize locking.The circumferentor scheme of locking function
Have many advantages, such as without recording time data, test is not limited by duration and hole depth, is at low cost, scene is easy to use.
But the circumferentor scheme of locking function, since its orienting device is using the side of rigid elastic slice compression compass needle
Formula realizes locking, and the rigid plane between rigid elastic slice and compass needle for area very little contacts and rigid elastic slice more carefully compresses
Power is not high, therefore the circumferentor pointer after being locked up, be very easy to occur to loosen in the case where carrying, disassembly, percussion etc. are vibrated and
Deflection causes biggish deviations even to position mistake.And the vibration factors such as carry, dismantle, tapping, it belongs to and utilizes scene
Drilling machine carries out unavoidable objective factor during hydraulic fracturing detecting earth stress, leads to the circumferentor of locking function
The orientation accuracy and practical effect of technology are had a greatly reduced quality.
Summary of the invention
For the defect of the locking function circumferentor scheme in current hydraulic fracturing detecting earth stress, the present invention is mentioned
Go out a kind of using in circumferentor internal-filling liquid state UV glue, and triggered ultraviolet light irradiation when packer pressure reaches predetermined value,
So that circumferentor pointer is cured as a transparent entirety rapidly together with liquid UV glue, realizes the hydraulic pressure of circumferentor pointer locking
The drilling interior orientation device of fracturing method detecting earth stress.
To achieve the above object, the technical scheme adopted by the invention is as follows: a kind of drilling of hydraulic fracturing detecting earth stress
Interior orientation device includes footstock and outer sleeve, and the footstock upper end is connected through a screw thread with packer lower end, the footstock lower end
It is connected through a screw thread with the outer sleeve upper end, is also connected with inner support and pressure switch, the interior branch in the footstock lower end
Frame and pressure switch are respectively positioned on inside the outer sleeve, and battery pack, ultraviolet lamp and encapsulation are additionally provided with inside the outer sleeve
There is the circumferentor of liquid UV glue, the circumferentor is fixed on the inner support lower end, and the battery pack and ultraviolet lamp pass through
Middle partition is fixed in the middle part of the inner support, and the dial plate face of ultraviolet lamp and circumferentor, the pressure switch and the top
The pressure port that sets is connected in seat, and the pressure port be connected to the packer inner cavity, the battery pack pass through the first bundle conductor and
Pressure switch input contact connection, the ultraviolet lamp are connect by the second bundle conductor with the pressure switch output contact.
In above-mentioned technical proposal, the circumferentor includes dial plate, Pyxis and pointer, and the Pyxis is solid by screw rod
It is scheduled on the inner support lower end, the dial plate is connect with the Pyxis end sealing, and the pointer is located at by the Pyxis
It is connect in inner cavity made of dial plate encapsulation and with the Pyxidis inner bottom wall, made of the Pyxis and dial plate encapsulation
Liquid UV glue is also filled in inner cavity, the pointer is immersed in the liquid UV glue.
In above-mentioned technical proposal, the inner support upper end is fixedly connected by the first screw with the footstock lower end, described
Middle partition is fixed in the middle part of the inner support by the second screw, and the ultraviolet lamp is embedded in the middle part of the middle partition and is located at institute
It states right above circumferentor, and the dial plate of circumferentor described in the illumination end face of the ultraviolet lamp.
In above-mentioned technical proposal, sealing ring, the housing are additionally provided in the screw connection point of the outer sleeve and footstock
Cylinder is tightly connected by sealing ring and the footstock.
In above-mentioned technical proposal, the viscosity of the liquid UV glue is less than 5mPas.
A kind of drilling interior orientation device of hydraulic fracturing detecting earth stress of this practical new offer is mainly based upon photosensitive
Glue curing principle and get, i.e., using ultraviolet light irradiation circumferentor inside fill liquid UV glue, refer to circumferentor
Needle and liquid UV adhesive curing are a transparent entirety, so that any vibration interference not will cause the loosening and deflection of compass needle
Error, and then guarantee the measurement accuracy to drilling Rockmass fractures orientation.
Compared with prior art, the invention has the advantages that by liquid UV glue and circumferentor pointer in ultraviolet light
Irradiation under be cured as a transparent entirety rapidly, any vibration interference not will cause the loosening of compass needle and deflection misses
Difference improves the measuring accuracy to drilling Rockmass fractures orientation.
Detailed description of the invention
Fig. 1 is the schematic diagram of the section structure of the invention
Fig. 2 is the connection schematic diagram of the present invention with packer；
Fig. 3 is that a kind of circumferentor of specific application example is read；
In figure: 1, footstock；2, pressure port；3, outer sleeve；4, inner support；5, middle partition；6, circumferentor；61, dial plate；
62, Pyxis；63, pointer；7, liquid UV glue；8, pressure switch；9, battery pack；10, ultraviolet lamp；11, the first bundle conductor；12,
Second bundle conductor；13, the first screw；14, the second screw；15, screw rod；16, sealing ring；17, packer；18, fracture orientation.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to
The drawings and specific embodiments, how the present invention is further explained implements.
As depicted in figs. 1 and 2, the drilling interior orientation dress of a kind of hydraulic fracturing detecting earth stress provided by the invention
It sets, includes footstock 1 and outer sleeve 3,1 upper end of footstock is connected through a screw thread with 17 lower end of packer, 1 lower end of footstock and outer sleeve 3
Upper end is connected through a screw thread, and is also connected with inner support 4 and pressure switch 8, inner support 4 and the equal position of pressure switch 8 in 1 lower end of footstock
Inside outer sleeve 3, battery pack 9, ultraviolet lamp 10 and geology sieve for being packaged with liquid UV glue 7 are additionally provided with inside outer sleeve 3
Disk 6, circumferentor 6 are fixed on 4 lower end of inner support, battery pack 9 and ultraviolet lamp 10 and are fixed on 4 middle part of inner support by middle partition 5,
And 61 face of dial plate of ultraviolet lamp 10 and circumferentor 6, the pressure port 2 set in pressure switch 8 and footstock 1 are connected to, pressure port 2 with
The connection of 17 inner cavity of packer, battery pack 9 input contact by the first bundle conductor 11 and pressure switch 8 and connect, and ultraviolet lamp 9 passes through the
Two bundle conductors 12 are connect with 8 output contact of pressure switch.
Circumferentor 6 includes dial plate 61, Pyxis 62 and pointer 63, and Pyxis 62 is fixed on inner support 4 by screw rod 15
Lower end, dial plate 61 are connect with 62 end sealing of Pyxis, and pointer 63 is located at the inner cavity as made of Pyxis 62 and the encapsulation of dial plate 61
In and connect with the inner bottom wall of Pyxis 62, be also filled with liquid UV glue in inner cavity made of encapsulating in Pyxis 62 and dial plate 61
7, pointer 63 is immersed in liquid UV glue 7.
4 upper end of inner support is fixedly connected by the first screw 13 with 1 lower end of footstock, and middle partition 5 is solid by the second screw 14
It is scheduled on 4 middle part of inner support, ultraviolet lamp 10 is embedded at middle 5 middle part of partition and is located at right above circumferentor 6, and the photograph of ultraviolet lamp 10
The bright dial plate 61 rectified to circumferentor 6.
It is additionally provided with sealing ring 16 in the screw connection point of outer sleeve 3 and footstock 1, outer sleeve 3 passes through sealing ring 16 and top
Seat 1 is tightly connected.
The viscosity of liquid UV glue 7 is less than 5mPas.
A kind of implementation process of the drilling interior orientation device of hydraulic fracturing detecting earth stress provided by the invention is as follows:
High pressure water is filled into packer 17 first with pressure source (not shown), when the orientation connecting with packer 17
When the pressure of the pressure port 2 of the footstock 1 of device reaches predetermined value, pressure switch 8 is closed, and the liquid UV glue set in orienting device is solid
Change circuit (being made of pressure switch 8, battery pack 9 and ultraviolet lamp 10) to be switched on, triggering ultraviolet lamp 10 works, and issues ultraviolet light simultaneously
It is irradiated to the liquid UV glue 7 filled inside circumferentor 6, so that liquid UV glue 7 and the pointer 63 of circumferentor 6 are solid rapidly together
A transparent entirety is turned to, 63 orientation of pointer of circumferentor 6 can be got at this time；At the same time, it is connect with orienting device
17 inner cavity of packer in pressure be continuously increased, promote the volume of packer 17 gradually to expand outward, so oppress palisades, directly
After there is crack to drilling rock mass wall surface pulling damage, pressure source is closed, and keep the pressure in packer 17 constant；
When crack occurs in the rock mass wall surface pulling damage that drills, the asphalitine colloid of 17 outer layer of packer can be squeezed into rock mass
In crack, print gets the crack of drilling rock masses fracturing, due to packer 17 and orienting device be connected through a screw thread it is whole for one
Body can be dismantled, and after test, only need to take out packer 17 and orienting device, by the side for reading 6 pointer of circumferentor
The differential seat angle between rock masses fracturing crack that position and stamp device (the asphalitine colloid of 17 outer layer of packer) print are got, can be obtained
Drill Rockmass fractures orientation 18, as shown in Figure 3.
Finally illustrate, the above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all
Using equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content, it is applied directly or indirectly in other
Relevant technical field, is included within the scope of the present invention.
Claims (5)
1. a kind of drilling interior orientation device of hydraulic fracturing detecting earth stress, it is characterised in that: include footstock (1) and outer sleeve
(3), footstock (1) upper end is connected through a screw thread with packer (17) lower end, footstock (1) lower end and the outer sleeve
(3) upper end is connected through a screw thread, and is also connected with inner support (4) and pressure switch (8), the interior branch in the footstock (1) lower end
It is internal that frame (4) and pressure switch (8) are respectively positioned on the outer sleeve (3), be additionally provided with inside the outer sleeve (3) battery pack (9),
Ultraviolet lamp (10) and the circumferentor (6) for being packaged with liquid UV glue (7), the circumferentor (6) are fixed on the inner support
(4) lower end, the battery pack (9) and ultraviolet lamp (10) are fixed in the middle part of the inner support (4) by middle partition (5), and ultraviolet
Dial plate (61) face of lamp (10) and circumferentor (6), the pressure switch (8) and the footstock (1) interior pressure port (2) set
Be connected, the pressure port (2) be connected to the packer (17) inner cavity, the battery pack (9) pass through the first bundle conductor (11) and
Pressure switch (8) input contact connection, the ultraviolet lamp (9) pass through the second bundle conductor (12) and the pressure switch (8)
Output contact connection.
2. the drilling interior orientation device of hydraulic fracturing detecting earth stress according to claim 1, it is characterised in that: described
Circumferentor (6) includes dial plate (61), Pyxis (62) and pointer (63), and the Pyxis (62) is fixed on by screw rod (15)
Inner support (4) lower end, the dial plate (61) connect with the Pyxis (62) end sealing, the pointer (63) be located at by
It is connect in inner cavity made of the Pyxis (62) encapsulates with dial plate (61) and with the inner bottom wall of the Pyxis (62), described
It is also filled with liquid UV glue (7) in inner cavity made of Pyxis (62) and dial plate (61) encapsulation, the pointer (63) is immersed in institute
It states in liquid UV glue (7).
3. the drilling interior orientation device of hydraulic fracturing detecting earth stress according to claim 1, it is characterised in that: described
Inner support (4) upper end is fixedly connected by the first screw (13) with the footstock (1) lower end, and the middle partition (5) passes through second
Screw (14) is fixed in the middle part of the inner support (4), and the ultraviolet lamp (10) is embedded in the middle part of the middle partition (5) and is located at institute
It states right above circumferentor (6), and the dial plate (61) of circumferentor (6) described in the illumination end face of the ultraviolet lamp (10).
4. the drilling interior orientation device of hydraulic fracturing detecting earth stress according to claim 1, it is characterised in that: in institute
The screw connection point for stating outer sleeve (3) and footstock (1) is additionally provided with sealing ring (16), and the outer sleeve (3) passes through sealing ring
(16) it is tightly connected with the footstock (1).
5. the drilling interior orientation device of hydraulic fracturing detecting earth stress according to claim 1 or 2, it is characterised in that:
The viscosity of the liquid UV glue (7) is less than 5mPas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810587989.9A CN109025980B (en) | 2018-06-08 | 2018-06-08 | In-drill hole orientation device for hydrofracturing method ground stress test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810587989.9A CN109025980B (en) | 2018-06-08 | 2018-06-08 | In-drill hole orientation device for hydrofracturing method ground stress test |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109025980A true CN109025980A (en) | 2018-12-18 |
| CN109025980B CN109025980B (en) | 2020-06-23 |
Family
ID=64612499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810587989.9A Expired - Fee Related CN109025980B (en) | 2018-06-08 | 2018-06-08 | In-drill hole orientation device for hydrofracturing method ground stress test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109025980B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110593840A (en) * | 2019-10-16 | 2019-12-20 | 安徽师范大学 | Hydraulic fracturing method ground stress test system director |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5448835A (en) * | 1994-08-30 | 1995-09-12 | Lewis; W. Stan | Compass device |
| CN201780176U (en) * | 2010-08-19 | 2011-03-30 | 中国水电顾问集团昆明勘测设计研究院 | Compass orientation device for longhole ground stress testing |
| CN204402469U (en) * | 2014-12-29 | 2015-06-17 | 天地科技股份有限公司 | Hydraulic fracturing geostress survey die system |
| CN105178938A (en) * | 2015-07-28 | 2015-12-23 | 长江水利委员会长江科学院 | Time-limit-free orienting device and method adopting super-deep drilling and hydraulic fracturing for rock cracks |
| CN205743873U (en) * | 2016-05-13 | 2016-11-30 | 浙江华东工程安全技术有限公司 | Hydraulic fracturing detecting earth stress die finder |
-
2018
- 2018-06-08 CN CN201810587989.9A patent/CN109025980B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5448835A (en) * | 1994-08-30 | 1995-09-12 | Lewis; W. Stan | Compass device |
| CN201780176U (en) * | 2010-08-19 | 2011-03-30 | 中国水电顾问集团昆明勘测设计研究院 | Compass orientation device for longhole ground stress testing |
| CN204402469U (en) * | 2014-12-29 | 2015-06-17 | 天地科技股份有限公司 | Hydraulic fracturing geostress survey die system |
| CN105178938A (en) * | 2015-07-28 | 2015-12-23 | 长江水利委员会长江科学院 | Time-limit-free orienting device and method adopting super-deep drilling and hydraulic fracturing for rock cracks |
| CN205743873U (en) * | 2016-05-13 | 2016-11-30 | 浙江华东工程安全技术有限公司 | Hydraulic fracturing detecting earth stress die finder |
Non-Patent Citations (1)
| Title |
|---|
| 钟作武等: "深部岩体三维地应力测量技术", 《矿山压力与顶板管理》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110593840A (en) * | 2019-10-16 | 2019-12-20 | 安徽师范大学 | Hydraulic fracturing method ground stress test system director |
| CN110593840B (en) * | 2019-10-16 | 2021-06-01 | 安徽师范大学 | Hydraulic fracturing method ground stress test system director |
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| Publication number | Publication date |
|---|---|
| CN109025980B (en) | 2020-06-23 |
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