CN210798914U - Drilling multi-section plugging, fracturing, grouting and water injection integrated equipment - Google Patents
Drilling multi-section plugging, fracturing, grouting and water injection integrated equipment Download PDFInfo
- Publication number
- CN210798914U CN210798914U CN201921229656.5U CN201921229656U CN210798914U CN 210798914 U CN210798914 U CN 210798914U CN 201921229656 U CN201921229656 U CN 201921229656U CN 210798914 U CN210798914 U CN 210798914U
- Authority
- CN
- China
- Prior art keywords
- pipe
- water injection
- fracturing
- liquid inlet
- grouting
- 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 - Fee Related
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 91
- 238000002347 injection Methods 0.000 title claims abstract description 80
- 239000007924 injection Substances 0.000 title claims abstract description 80
- 238000005553 drilling Methods 0.000 title claims abstract description 22
- 230000007704 transition Effects 0.000 claims abstract description 51
- 238000007569 slipcasting Methods 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims description 101
- 238000005086 pumping Methods 0.000 claims description 54
- 238000007789 sealing Methods 0.000 claims description 52
- 239000002775 capsule Substances 0.000 claims description 46
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 230000010354 integration Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 239000003245 coal Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 9
- 239000011435 rock Substances 0.000 description 7
- 238000005065 mining Methods 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 206010034719 Personality change Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Landscapes
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The utility model discloses a drilling multi-section plugging, fracturing, grouting and water injection integrated device, which comprises a preposed hole packer, a plurality of transition hole packers connected with the preposed hole packer through a connector, and a postposition hole packer connected with the last transition hole packer through the connector; has the advantages that: the utility model discloses a leading hole packer, transition hole packer and the rearmounted hole packer of many collocation combinations, in actual drilling, the combination of can arranging mutually has the multistage shutoff simultaneously, sends effects such as splitting, slip casting, water injection under many hole packers' synergism, has the advantage of simpler high-efficient construction for prior art.
Description
Technical Field
The utility model relates to a mining equipment field, concretely relates to drilling multistage shutoff, send and split, slip casting, water injection integration equipment.
Background
In the coal mine underground work, because the attitude change of coal seams and rock stratums is large, the geological environment is complex, different engineering conditions can be met in the mining process, and the method comprises the following steps:
(1) hard and hard top plate. The hard roof may cause large-scale roof suspension in the goaf, high-strength periodic pressure comes after the roof falls down, disasters such as ore pressure impact, hurricane, roadway gas explosion and the like can be seriously caused, hard rocks need to be cracked, and the integrity of the roof is damaged;
(2) weak and broken surrounding rock. The situations that a top plate sinks, a bottom bulge, a large deformation of a side part and the like easily occur in the broken surrounding rock of the roadway, the service capability and the service life of the roadway are seriously affected, and the top and bottom plates of the coal seam need to be reinforced by grouting in time;
(3) hard coal seams with poor caving properties. When top coal caving is used for mining, hard coal bodies can form large blocks which are difficult to collapse or do not collapse during coal caving, the coal mining efficiency and the mining rate are greatly affected, and a coal bed needs to be presplit or softened by water injection, so that the coal caving efficiency is improved.
In summary, the above situations may occur in the same underground environment at the same time, the existing equipment and method are difficult to simultaneously implement the fracturing, grouting, water injection and other processes, the adoption of each equipment increases the cost and time waste, increases the complexity of each process, and needs a new equipment and a new method to solve the matching problem among multiple processes of fracturing, grouting, water injection and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shutoff that exists under the different coal seams, send and split, slip casting, water injection scheduling problem, the utility model provides a drilling multistage shutoff, send and split, slip casting, water injection integration equipment.
In order to achieve the above object, the utility model adopts the following technical scheme:
the drilling multi-section plugging, fracturing, grouting and water injection integrated equipment comprises a front hole packer, a plurality of transition hole packers connected with the front hole packer through connectors, and a rear hole packer connected with the last section of transition hole packer through connectors.
The leading hole packer includes: a pre-pumping pipe; one end of the preposed pumping pipe is sealed with a water plug; the middle part of the preposed pumping pipe is provided with a preposed expansion capsule, and two ends of the preposed expansion capsule are hermetically connected with the preposed pumping pipe through a first liquid outlet sealing ring and a first liquid inlet sealing ring; a plurality of through exchange holes are formed in the preposed pumping pipe between the other end of the preposed pumping pipe and the first liquid inlet sealing ring; and the first liquid inlet sealing ring is provided with a first liquid inlet pipe inserted into the expansion capsule.
The transition hole packer comprises a transition pumping pipe, two ends of the transition pumping pipe are communicated, and a transition expansion capsule, two ends of which are sealed by a second liquid outlet sealing ring and a second liquid inlet sealing ring, is arranged in the middle of the transition pumping pipe; a second liquid discharge pipe and a second liquid inlet pipe which are inserted into the transitional expansion capsule are respectively arranged on the second liquid outlet sealing ring and the second liquid inlet sealing ring; the transition pump delivery pipes on the two sides of the transition expansion capsule are provided with a plurality of through exchange holes.
The rear hole packer comprises a rear pumping pipe with two ends penetrating through, a rear expansion capsule is arranged on the rear pumping pipe, and two sides of the rear expansion capsule are respectively sealed with the rear pumping pipe through a third liquid outlet sealing ring and a third liquid inlet sealing ring; a third liquid discharge pipe and a third liquid inlet pipe which are inserted into the rear expansion capsule are respectively arranged on the third liquid outlet sealing ring and the third liquid inlet sealing ring; a plurality of exchange holes are formed in the rear pumping pipe between the third liquid outlet sealing ring and the liquid outlet end; and a third liquid inlet pipe at the end of the third liquid inlet sealing ring and a liquid inlet of the rear pumping pipe are connected with external high-pressure equipment.
And the first liquid inlet pipe and the second liquid outlet pipe, the second liquid outlet pipe and the second liquid inlet pipe between two adjacent transition hole packers, and the third liquid outlet pipe and the second liquid inlet pipe of the last-stage transition hole packer are communicated through connecting pipes.
The inner parts of the front pumping pipe, the transition pumping pipe and the rear pumping pipe respectively comprise two symmetrically arranged water injection pipes and fracturing grouting pipes which are perpendicular to the two water injection pipes; a plurality of exchange holes are respectively formed in the water injection pipe and the fracturing grouting pipe; the water injection pipe is connected with an external water injection pump through a water injection working pipe; the fracturing grouting pipe is connected with an external fracturing pump or grouting pump through a fracturing grouting working pipe; and the third liquid inlet pipe is connected with an external water injection pump through a pressurizing working pipe.
The utility model provides an embodiment installs the trompil orientation of installing the exchange hole on two water injection pipes or two fracturing slip casting pipes and sets up outwards along the center.
Further, the front expansion capsule, the transition expansion capsule and the rear expansion capsule are made of elastic rubber materials. And a pressure gauge and a control water valve are arranged on the pipeline connected with the working ends of the water injection pump, the fracturing pump and the grouting pump.
A method for using drilling hole multi-section plugging, fracturing, grouting and water injection integrated equipment comprises the following steps:
a. completing drilling construction on the coal bed or the rock stratum;
b. selecting a front hole packer, a rear hole packer and a plurality of transition hole packers according to the aperture and the depth; fixedly connecting a plurality of selected hole packers into a whole through a connector;
c. c, conveying the hole packer in the step b to a specified position in the drilled hole in the step a;
d. connecting a water injection pipe with a water injection pump, and completely cleaning foreign matters in the drill hole by water injection;
e. if only the drilling hole is plugged, the following steps are executed:
e) connecting the second liquid inlet pipe with an external booster pump;
e) starting a booster pump, and expanding the front expansion capsule, the transition expansion capsule and the rear expansion capsule which are connected in series in the drill hole to realize plugging;
f. if the drill hole is fractured, on the basis of the step e, the following steps are executed:
f) connecting the fracturing grouting pipe with the fracturing pump and sealing the water injection pipe;
f) starting the fracturing pump until the pressure gauge of the fracturing pump is suddenly reduced, and then stopping the operation of the fracturing pump;
g. if the drilling hole is grouted, on the basis of the step e, the following steps are executed:
g) connecting the fracturing grouting pipe with a grouting pump and sealing the water injection pipe;
g) starting the grouting pump until the reading of a pressure gauge at the water injection pipe is synchronously increased with the pressure gauge on the grouting pump, and stopping grouting;
h. if water is injected into the drill hole, on the basis of the step e, the following steps are executed:
h) blocking the fracturing grouting pipe, and connecting the water injection pipe with a water injection pump through a water injection working pipe;
h) and stopping the water injection pump until the reading of the water injection pressure gauge on the water injection working pipe is sharply increased.
Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses a leading hole packer, transition hole packer and the rearmounted hole packer of many collocation combinations, in actual drilling, the combination of can arranging mutually has the shutoff simultaneously, sends and splits, effects such as slip casting, water injection under the synergism of many hole packers, has the advantage of simpler high-efficient construction for prior art.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1;
FIG. 4 is a cross-sectional view of C-C of FIG. 1;
FIG. 5 is a cross-sectional view taken along line D-D of FIG. 1;
fig. 6 is a schematic structural view of the present invention applied to a hard coal seam;
fig. 7 is the utility model discloses use at the structural schematic of broken country rock.
In the figure, 1 front-mounted hole packer, 2 transition hole packer, 3 rear-mounted hole packer, 41 front-mounted pumping pipe, 42 transition pumping pipe, 43 rear-mounted pumping pipe, 4.1 water block, 4.2 exchange hole, 4.3 liquid inlet, 4.4 water injection pipe, 4.5 fracturing grouting pipe, 5.1 first liquid outlet sealing ring, 5.2 first liquid inlet sealing ring, 5.3 second liquid outlet sealing ring, 5.4 second liquid inlet sealing ring, 5.5 third liquid outlet sealing ring, 5.6 third liquid inlet sealing ring, 5.7 through hole, 6.1 first liquid inlet pipe, 6.2 second liquid outlet pipe, 6.3 second liquid inlet pipe, 6.4 third liquid outlet pipe, 6.5 third liquid inlet pipe, 6.6 connecting pipe, 71 front-mounted expansion capsule, 72 transition expansion capsule, 73 rear-mounted expansion capsule, 8 connector, 91 pressurizing working pipe, 92 water injection working pipe, 92.1 water injection valve, 93 fracturing grouting working pipe, and 93.1 fracturing grouting valve.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 7, the drilling multi-section plugging, fracturing, grouting and water injection integrated equipment comprises a front hole packer 1, a plurality of transition hole packers 2 connected with the front hole packer 1 through a connector 8, and a rear hole packer 3 connected with the last transition hole packer 2 through the connector 8. When the diameter of the drill hole is short, the middle transition hole packer 2 is not needed, and the number of the transition hole packers 2 can be selected according to the actual situation for the drill hole with long length.
The front hole packer 1 comprises: a pre-pump pipe 41; one end of the preposed pumping pipe 41 is sealed with a water plug 4.1; the middle part of the preposed pumping pipe 41 is provided with a preposed expansion capsule 71, two ends of the preposed expansion capsule 71 are hermetically connected with the preposed pumping pipe 41 through a first liquid outlet sealing ring 5.1 and a first liquid inlet sealing ring 5.2, and the preposed expansion capsule 71 can be expanded by high-pressure water injected from a water injection pipe 4.4 after being sealed so as to play a role in plugging; a plurality of penetrating exchange holes 4.2 are formed in the preposed pumping pipe 41 between the other end of the preposed pumping pipe 41 and the first liquid inlet sealing ring 5.2; and a first liquid inlet pipe 6.1 inserted into the expansion capsule 7 is arranged on the first liquid inlet sealing ring 5.2.
The structure of the transition hole packer 2 comprises a transition pumping pipe 42, wherein two ends of the transition pumping pipe 42 are communicated, and a transition expansion capsule 72, the two ends of which are sealed by a second liquid outlet sealing ring 5.3 and a second liquid inlet sealing ring 5.4, is arranged in the middle of the transition pumping pipe 42; a second liquid outlet pipe 6.2 and a second liquid inlet pipe 6.3 inserted into the transitional expansion capsule 72 are respectively arranged on the second liquid outlet sealing ring 5.3 and the second liquid inlet sealing ring 5.4; the transitional pumping pipe 42 at the two sides of the transitional expansion capsule 72 is provided with a plurality of through exchange holes 4.2.
The rear hole packer 3 comprises a rear pumping pipe 43 with two ends penetrating, a rear expansion capsule 73 is arranged on the rear pumping pipe 43, and two sides of the rear expansion capsule 73 are respectively sealed with the rear pumping pipe 43 through a third liquid outlet sealing ring 5.5 and a third liquid inlet sealing ring 5.6; a third liquid discharge pipe 6.4 and a third liquid inlet pipe 6.5 which are inserted in the rear expansion capsule 73 are respectively arranged on the third liquid outlet sealing ring 5.5 and the third liquid inlet sealing ring 5.6 through holes 5.7; a plurality of exchange holes 4.2 are arranged on the rear pumping pipe 43 between the third liquid outlet sealing ring 5.5 and the liquid outlet end; a third liquid inlet pipe 6.5 at the end of the third liquid inlet sealing ring 5.6 and a liquid inlet 4.3 of the rear pumping pipe 43 are connected with external high-pressure equipment;
and the first liquid inlet pipe 6.1 and the second liquid outlet pipe 6.2, the second liquid outlet pipe 6.2 and the second liquid inlet pipe 6.3 between two adjacent transition hole packers 2, and the third liquid outlet pipe 6.4 and the second liquid inlet pipe 6.3 of the last transition hole packer 2 are communicated through connecting pipes 6.6.
As shown in fig. 4 and 5, the front pumping pipe 41, the transition pumping pipe 42 and the rear pumping pipe 43 each include two symmetrically arranged water injection pipes 4.4 and a fracturing grouting pipe 4.5 arranged perpendicular to the two water injection pipes 4.4; and the water injection pipe 4.4 and the fracturing grouting pipe 4.5 are respectively provided with a plurality of exchange holes 4.2. The water injection pipe 4.4 is connected with an external water injection pump through a water injection working pipe 92; the fracturing grouting pipe 4.5 is connected with an external fracturing pump or grouting pump through a fracturing grouting working pipe 93; the third liquid inlet pipe 6.5 is connected to an external water injection pump via a pressurized working pipe 91. In order to protect the normal operation of the water injection working pipe 92 and the fracturing and grouting working pipe 93, a water valve can be generally arranged. A water injection valve 92.1 is arranged on the water injection working pipe 92; and a fracturing grouting valve 93.1 is arranged on the fracturing grouting working pipe 93.
As shown in fig. 4, in order to ensure the balance of the grouting, fracturing and water injection process equipment, the opening directions of the exchange holes 4.2 on the two water injection pipes 4.4 or the two fracturing grouting pipes 4.5 are symmetrically arranged along the center and outwards.
In order to provide the front expansion bladder 71, the transition expansion bladder 72 and the rear expansion bladder 73 with better elasticity, the materials of the front expansion bladder 71, the transition expansion bladder 72 and the rear expansion bladder 73 may be elastic rubber materials.
And a pressure gauge and a control water valve are arranged on the pipeline connected with the working ends of the water injection pump, the fracturing pump and the grouting pump.
When the utility model is used, the following steps can be carried out:
a. and completing drilling construction on the rock stratum.
b. Selecting a front hole packer 1, a rear hole packer 3 and a plurality of transition hole packers 2 according to the aperture and the depth; and fixedly connecting a plurality of selected hole packers into a whole through a connector 8. When the connector 8 is used, the connector can be in threaded connection, and sealing materials such as gaskets need to be additionally arranged at the threaded connection position. The number of the transition hole packers 2 can be determined according to the drilling depth and the field conditions, and the number of the transition hole packers can be not used or can be multiple.
c. C, conveying the hole packer in the step b to a specified position in the drilled hole in the step a;
d. connecting a water injection pipe 4.4 with a water injection pump, and completely cleaning foreign matters in the drill hole by water injection; before the foreign matter is cleaned, the front expansion capsule 71, the transitional expansion capsule 72, and the rear expansion capsule 73 cannot be expanded to discharge the foreign matter such as crushed stones.
e. If only the drilling hole is plugged, the following steps are executed:
e1) connecting the second liquid inlet pipe 6.3 with an external booster pump;
e2) and starting the booster pump to enable the front expansion capsule 71, the transition expansion capsule 72 and the rear expansion capsule 73 which are connected in series to expand in the drill hole, so as to realize plugging.
f. If the drill hole is fractured, on the basis of the step e, the following steps are executed:
f1) connecting the fracturing grouting pipe 4.5 with the fracturing pump, and sealing the water injection pipe 4.4;
f2) starting the fracturing pump until the pressure gauge of the fracturing pump is suddenly reduced, and then stopping the operation of the fracturing pump;
g. if the drilling hole is grouted, on the basis of the step e, the following steps are executed:
g1) connecting the fracturing grouting pipe 4.5 with a grouting pump, and sealing the water injection pipe 4.4;
g2) starting the grouting pump until the reading of a pressure gauge at the 4.4 position of the water injection pipe is synchronously increased with the pressure gauge on the grouting pump, and stopping grouting;
h. if water is injected into the drill hole, on the basis of the step e, the following steps are executed:
h1) blocking the fracturing grouting pipe 4.5, and connecting the water injection pipe 4.4 with a water injection pump through a water injection working pipe 92;
h2) and stopping the water injection pump until the reading of the water injection pressure gauge on the water injection working pipe 92 sharply increases.
Foretell mode can make up the collocation according to the actual conditions on-the-spot to improve the utility model discloses an availability factor.
Claims (5)
1. Drilling multistage shutoff, send and split, slip casting, water injection integration equipment, its characterized in that: the device comprises a preposed hole packer (1), a plurality of transition hole packers (2) connected with the preposed hole packer (1) through a connector (8), and a postposition hole packer (3) connected with the last section of transition hole packer (2) through the connector (8);
the front hole packer (1) comprises: a pre-pump pipe (41); one end of the preposed pumping pipe (41) is sealed with a water plug (4.1); a preposed expansion capsule (71) is arranged outside the preposed pumping pipe (41), and two ends of the preposed expansion capsule (71) are hermetically connected with the preposed pumping pipe (41) through a first liquid outlet sealing ring (5.1) and a first liquid inlet sealing ring (5.2); a plurality of penetrating exchange holes (4.2) are formed in the preposed pumping pipe (41) between the other end of the preposed pumping pipe (41) and the first liquid inlet sealing ring (5.2); a first liquid inlet pipe (6.1) inserted into the preposed expansion capsule (71) is arranged on the first liquid inlet sealing ring (5.2);
the transition hole packer (2) comprises a transition pumping pipe (42), two ends of the transition pumping pipe (42) are communicated, and a transition expansion capsule (72) with two ends sealed by a second liquid outlet sealing ring (5.3) and a second liquid inlet sealing ring (5.4) is arranged in the middle of the transition pumping pipe (42); a second liquid discharge pipe (6.2) and a second liquid inlet pipe (6.3) which are inserted into the transitional expansion capsule (72) are respectively arranged on the second liquid outlet sealing ring (5.3) and the second liquid inlet sealing ring (5.4); a plurality of through exchange holes (4.2) are arranged on the transitional pumping pipe (42) at the two sides of the transitional expansion capsule (72);
the rear hole packer (3) comprises a rear pumping pipe (43) with two ends penetrating through, a rear expansion capsule (73) is arranged on the rear pumping pipe (43), and two sides of the rear expansion capsule (73) are respectively sealed with the rear pumping pipe (43) through a third liquid outlet sealing ring (5.5) and a third liquid inlet sealing ring (5.6); a third liquid discharge pipe (6.4) and a third liquid inlet pipe (6.5) which are inserted in the rear expansion capsule (73) are respectively arranged on the third liquid outlet sealing ring (5.5) and the third liquid inlet sealing ring (5.6); a plurality of exchange holes (4.2) are arranged on the rear pumping pipe (43) between the third liquid outlet sealing ring (5.5) and the liquid outlet end; a third liquid inlet pipe (6.5) at the end of the third liquid inlet sealing ring (5.6) and a liquid inlet (4.3) of a rear pumping pipe (43) are connected with external high-pressure equipment;
the first liquid inlet pipe (6.1) and the second liquid outlet pipe (6.2), the second liquid outlet pipe (6.2) and the second liquid inlet pipe (6.3) between two adjacent transition hole packers (2), and the third liquid outlet pipe (6.4) and the second liquid inlet pipe (6.3) of the last transition hole packer (2) are communicated through connecting pipes (6.6);
the interior of each of the front pumping pipe (41), the transition pumping pipe (42) and the rear pumping pipe (43) comprises two symmetrically arranged water injection pipes (4.4) and a fracturing grouting pipe (4.5) which is perpendicular to the two water injection pipes (4.4); a plurality of exchange holes (4.2) are respectively arranged on the water injection pipe (4.4) and the fracturing grouting pipe (4.5);
the water injection pipe (4.4) is connected with an external water injection pump through a water injection working pipe (92);
the fracturing grouting pipe (4.5) is connected with an external fracturing pump or grouting pump through a fracturing grouting working pipe (93);
the third liquid inlet pipe (6.5) is connected with an external water injection pump through a pressurization working pipe (91).
2. The drilling multi-section plugging, fracturing, grouting and water injection integrated equipment as claimed in claim 1, wherein: the opening directions of the exchange holes (4.2) arranged on the two water injection pipes (4.4) or the two fracturing grouting pipes (4.5) are arranged outwards along the center.
3. The drilling multi-section plugging, fracturing, grouting and water injection integrated equipment as claimed in claim 1, wherein: the front expansion capsule (71), the transition expansion capsule (72) and the rear expansion capsule (73) are made of elastic rubber materials.
4. The drilling multi-section plugging, fracturing, grouting and water injection integrated equipment as claimed in claim 3, wherein: and a pressure gauge and a control water valve are arranged on the pipeline connected with the working ends of the water injection pump, the fracturing pump and the grouting pump.
5. The drilling multi-section plugging, fracturing, grouting and water injection integrated equipment as claimed in claim 1, wherein: a water injection valve (92.1) is arranged on the water injection working pipe (92); and a fracturing grouting valve (93.1) is arranged on the fracturing grouting working pipe (93).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921229656.5U CN210798914U (en) | 2019-07-31 | 2019-07-31 | Drilling multi-section plugging, fracturing, grouting and water injection integrated equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921229656.5U CN210798914U (en) | 2019-07-31 | 2019-07-31 | Drilling multi-section plugging, fracturing, grouting and water injection integrated equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210798914U true CN210798914U (en) | 2020-06-19 |
Family
ID=71231352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921229656.5U Expired - Fee Related CN210798914U (en) | 2019-07-31 | 2019-07-31 | Drilling multi-section plugging, fracturing, grouting and water injection integrated equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210798914U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110439497A (en) * | 2019-07-31 | 2019-11-12 | 中国矿业大学 | Drill multistage closure, fracturing, slip casting, water filling integration apparatus and application method |
| CN114412430A (en) * | 2022-01-24 | 2022-04-29 | 中国矿业大学 | Liquid carbon dioxide circulation fracturing coal bed gas reservoir permeability increasing device and method |
| CN115405258A (en) * | 2022-08-08 | 2022-11-29 | 河南理工大学 | Gas extraction multipoint plugging and sealing equipment and intelligent dynamic plugging method |
-
2019
- 2019-07-31 CN CN201921229656.5U patent/CN210798914U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110439497A (en) * | 2019-07-31 | 2019-11-12 | 中国矿业大学 | Drill multistage closure, fracturing, slip casting, water filling integration apparatus and application method |
| CN110439497B (en) * | 2019-07-31 | 2024-05-10 | 中国矿业大学 | Drilling multi-section plugging, fracturing, grouting and water injection integrated equipment and use method |
| CN114412430A (en) * | 2022-01-24 | 2022-04-29 | 中国矿业大学 | Liquid carbon dioxide circulation fracturing coal bed gas reservoir permeability increasing device and method |
| CN114412430B (en) * | 2022-01-24 | 2022-09-27 | 中国矿业大学 | Liquid carbon dioxide circulation fracturing coal bed gas reservoir permeability increasing device and method |
| CN115405258A (en) * | 2022-08-08 | 2022-11-29 | 河南理工大学 | Gas extraction multipoint plugging and sealing equipment and intelligent dynamic plugging method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110439497B (en) | Drilling multi-section plugging, fracturing, grouting and water injection integrated equipment and use method | |
| CN210798914U (en) | Drilling multi-section plugging, fracturing, grouting and water injection integrated equipment | |
| CN108643877B (en) | Coal mine underground coal seam long drilling staged fracturing permeability-increasing and gas extraction method | |
| CN108678802B (en) | Coal mine drilling, punching and drawing integrated outburst prevention device and method | |
| CN101307695B (en) | Coal mine gas pre-draining borehole sealing method adopting aerated capsule as temporary hole bottom | |
| CN112696182A (en) | Drilling hole plugging, fracturing and water injection integrated structure and using method thereof | |
| CN102704905A (en) | Segmental hydraulic fracturing coal seam pressure releasing device and method | |
| CN113250670B (en) | Single-hole multi-section synchronous control fracturing coal body permeability increasing system and method | |
| CN110080771B (en) | Method for preventing rock burst by modifying energy release of deep-well high-stress main roadway coal pillar | |
| CN205063929U (en) | Colliery is sealed in pit and is pressed integration segmentation hydraulic fracturing device | |
| CN102155251A (en) | Waterpower hole packer | |
| CN114961682B (en) | Hydraulic fracturing device and fracturing construction method thereof | |
| CN108999596B (en) | Method for gas explosion fracturing of coal rock mass by supercritical CO2 point-type jet flow | |
| CN110725700B (en) | Coal seam spraying reinforcement and graded glue injection cooperative hole sealing method | |
| CN114658471A (en) | Rock cross-cut coal uncovering grading outburst elimination method | |
| CN110541697B (en) | Expansion hose type hydraulic fracturing method for permeability increase of coal seam | |
| CN117489401A (en) | Method for manually interfering pressure relief gas migration and improving extraction efficiency | |
| CN105649625A (en) | High-low-pressure subarea fracturing anatonosis type coal seam water injection method | |
| CN109386289B (en) | Blasting, hole sealing and grouting integrated construction method | |
| CN113494264B (en) | Waterproof layer reinforced grouting reconstruction device and method based on segmented fracturing | |
| CN115110986A (en) | Coupling strengthening type gas extraction cross-layer drill hole dynamic hole sealing device and using method | |
| CN114482932A (en) | Method for achieving preset coal seam gas extraction through cross-layer drilled gas coal seam | |
| CN110761734B (en) | Sealing method of sealing device for drilling high-gas soft coal seam | |
| CN112127854A (en) | Staged fracturing and extraction method for long drill hole of coal seam and pressure-extraction integrated device | |
| CN207017985U (en) | Stope adopts the pre- gas-removing shallow bore hole hydraulic fracturing device of section in advance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200619 |