CN220487540U - Special drilling oscillation test water stop plug for rope coring drilling tool - Google Patents
Special drilling oscillation test water stop plug for rope coring drilling tool Download PDFInfo
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- CN220487540U CN220487540U CN202321826834.9U CN202321826834U CN220487540U CN 220487540 U CN220487540 U CN 220487540U CN 202321826834 U CN202321826834 U CN 202321826834U CN 220487540 U CN220487540 U CN 220487540U
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- pressure capsule
- pipe
- capsule
- air pressure
- rope
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- 238000005553 drilling Methods 0.000 title claims abstract description 43
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 43
- 230000010355 oscillation Effects 0.000 title claims abstract description 33
- 239000002775 capsule Substances 0.000 claims abstract description 83
- 208000032963 Capsule physical issue Diseases 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 208000005189 Embolism Diseases 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- -1 pipe Substances 0.000 claims description 2
- 230000008676 import Effects 0.000 claims 2
- 230000008719 thickening Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 7
- 238000005070 sampling Methods 0.000 abstract description 4
- 239000000523 sample Substances 0.000 description 6
- 239000011435 rock Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Earth Drilling (AREA)
Abstract
The utility model provides a special drilling oscillation test water stop plug for a rope coring drilling tool, which comprises a combined rope, a lifting ring, a middle through pipe, an upper capsule baffle, an upper air pressure capsule, a fixed clamping table, a middle air pressure capsule, a flower pipe, an air supply pipe, a lower air pressure capsule and a cone lead-in table, wherein the lifting ring, the upper capsule baffle, the upper air pressure capsule and the fixed clamping table are sequentially and serially arranged at the top of the middle through pipe, the middle air pressure capsule and the flower pipe are sleeved in the middle of the middle through pipe, the lower air pressure capsule is arranged at the lower part of the middle through pipe, the upper part of the air supply pipe is contained in the combined rope, the lower part of the air supply pipe is arranged beside the middle through pipe, and the air supply pipe sequentially passes through the upper capsule baffle, the upper air pressure capsule, the fixed clamping table and the middle air pressure capsule from top to bottom, and an air filling hole is arranged at the middle part of the air supply pipe. The utility model meets the requirement of using the drilling tool to carry out the oscillation test, so that the deep hole oscillation test is more convenient and feasible; in addition, the utility model can realize the purpose of layering water sampling in the rope core drilling process.
Description
Technical Field
The utility model relates to the field of rock drilling oscillation tests, in particular to a water stop plug for a drilling oscillation test special for a rope core drilling tool.
Background
At present, the plugs used for the oscillation test in the rock drilling are generally pressurized water test plugs, and all drilling tools need to be taken out before the test is started, and then the plugs are put in for the oscillation test. This approach to extracting all the tools is inefficient and is prone to hole accidents when the walls of the holes are unstable. In addition, the drilling water stop plug is mainly designed for a pressurized water test, the plug consists of a capsule, water delivery and a gas delivery pipe, and the difficulty of vibration test is high by utilizing the existing pressurized water test equipment and water stop plug segments. The specification of the water delivery steel pipe used for the deep hole water delivery test is generally 50mm in outer diameter, 38mm in inner diameter, 50mm in outer diameter of the joint and 22mm in inner diameter of the joint (DL/T5331-2005), while more water delivery steel pipes are currently used, the head diameter of the underground water level probe is about 22mm, and is basically the same as the inner diameter of the water delivery pipe joint, and the water level probe is difficult to put into a water delivery pipe of the water delivery test for carrying out an oscillation test.
Disclosure of Invention
In order to develop the oscillation test in the rope coring drilling process of rock drilling, and consider the characteristic that the drill rod of the drill bit is not taken out in the rope coring drilling process and the core is extracted by using the core tube, the utility model provides a special water stop plug for the drilling oscillation test of the rope coring drilling tool, which can develop the oscillation test continuously from top to bottom along with the drilling progress in the drilling process, and also can develop the oscillation test continuously from bottom to top in sections after the drilling is performed.
The technical scheme adopted for solving the technical problems is as follows:
the utility model provides a special drilling vibration test stagnant water embolism of rope coring drilling tool, includes combination rope, rings, well siphunculus, goes up capsule separation blade, goes up atmospheric pressure capsule, fixed clamping platform, middle atmospheric pressure capsule, flowtube, gas supply pipe, lower atmospheric pressure capsule and cone lead-in platform, rings, go up capsule separation blade, go up atmospheric pressure capsule, fixed clamping platform and install in the well siphunculus top in series in proper order, middle atmospheric pressure capsule, flowtube are adorned in well siphunculus middle part, lower atmospheric pressure capsule is installed in well siphunculus lower part, a cone lead-in platform is respectively arranged to the upper and lower of middle atmospheric pressure capsule and lower atmospheric pressure capsule, gas supply pipe upper portion contains in combination rope, and the gas supply pipe lower part is installed in well siphunculus next door, from the top down passes in proper order and goes up capsule separation blade, goes up atmospheric pressure capsule, fixed clamping platform, middle atmospheric pressure capsule, and the gas supply pipe is provided with the gas filling hole in the part in the middle of the capsule.
Further, the combined rope comprises a bearing steel wire rope and an air supply pipe.
Furthermore, the lower part of the air supply pipe is arranged beside the middle through pipe, part of the pipe material of the air supply pipe contained in the combined rope is a wear-resistant tensile hose, the part of the air supply pipe arranged beside the middle through pipe is a steel pipe, and the part of the air supply pipe contained in the air pressure capsule is provided with an air charging hole for charging the air pressure capsule.
Furthermore, the design expansion rate of the middle air pressure capsule and the lower air pressure capsule is larger than that of the upper air pressure capsule, and the upper end, the lower end and the outer side of the middle air pressure capsule and the lower air pressure capsule are thickened and anti-wear.
Further, the bottom pipe orifice of the middle through pipe is sealed by a plug.
The utility model has the following beneficial effects:
the air pressure capsule of the utility model is tightly attached to a drill rod (an upper air pressure capsule) or a rock wall (a middle air pressure capsule) after being expanded by air conveyed by a ground accessory, so as to achieve the purpose of isolating hydraulic connection; the hydraulic connection is formed in the drill rod for centering the target aquifer and the rope, meanwhile, the hydraulic connection between the target aquifer and other aquifers is isolated, the oscillation test is carried out in the target aquifer, the purpose of acquiring the permeability parameters of the aquifer in a segmented manner is finally achieved, and the oscillation test can be carried out in a deep hole simply and conveniently; in addition, in the process of carrying out the drilling oscillation test, the drilling tool such as a drill rod is not required to be used for carrying out drilling, and the working efficiency can be greatly improved.
Drawings
FIG. 1 is a schematic diagram of a special drilling oscillation test water stop plug for rope coring;
fig. 2 is a schematic diagram of an application of the present utility model.
In the figure: 1-plug, 2-middle through pipe, 3-cone leading-in table, 4-lower air pressure capsule, 5-flower pipe, 6-air supply pipe, 7-middle air pressure capsule, 8-fixing clamping table, 9-upper air pressure capsule, 10-upper capsule baffle, 11-hanging ring, 12-combined rope, 13-layered sampling pipe, 14-drill bit, 15-drill rod, 16-orifice sealing cavity and 17-oscillation test instrument.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1, the embodiment of the utility model provides a water stop plug for a drilling oscillation test special for rope coring, which comprises a combined rope 12, a hanging ring 11, a middle through pipe 2, an upper capsule baffle plate 10, an upper air pressure capsule 9, a fixed clamping table 8, a middle air pressure capsule 7, a flower pipe 5, an air supply pipe 6, a lower air pressure capsule 4 and a cone leading-in table 3.
The lifting ring 11, the upper capsule baffle 10, the upper air pressure capsule 9 and the fixing clamping table 8 are sequentially and serially arranged at the top of the middle through pipe 2, the middle air pressure capsule 7 and the flower pipe 5 are sleeved at the middle part of the middle through pipe 2, the lower air pressure capsule 4 is arranged at the lower part of the middle through pipe 2, and a cone leading-in table 3 is respectively arranged above and below the middle air pressure capsule 7 and the lower air pressure capsule 4. The upper part of the air supply pipe 6 is contained in a combined rope 12, the lower part of the air supply pipe 6 is arranged beside the middle through pipe 2, and the air supply pipe 6 sequentially passes through the upper capsule baffle 10, the upper air pressure capsule 9, the fixing clamping table 8 and the middle air pressure capsule 8 from top to bottom to respectively inflate the upper air pressure capsule, the middle air pressure capsule and the lower air pressure capsule; the air supply pipe 6 is provided with an air supply hole at a part among the upper air pressure capsule 9, the middle air pressure capsule 7 and the lower air pressure capsule 4.
The bottom pipe orifice of the middle through pipe 2 is sealed by a plug 1, a cone leading-in table 3 and a lower air pressure capsule 4 are sleeved on the middle through pipe 2, and the middle part of the middle through pipe 2 is provided with a flower pipe 5.
As shown in fig. 2, when the utility model works, after core drilling is performed to a target test section, a drilling tool is lifted to a certain height from the bottom of a hole, the plug is lowered to the target test section through a drill rod, the plug is naturally clamped on a drill bit 14, a water level probe in an oscillation test instrument 17 is placed below the water level in the drill hole, an orifice sealing cavity 16 is fixed on the orifice drill rod (only when a pneumatic oscillation test is performed), three pneumatic capsules are inflated through an air supply pipe 6 in a combined rope 12, so that the pneumatic capsules are inflated to isolate hydraulic connection of other stratum to form a hydraulic channel communicated with the inside of the drill rod, and the drill rod 15 is inflated and pressurized (pneumatic oscillation test) or injected with water (water injection type oscillation test) to start the oscillation test. If water samples are to be sampled in layers in the drilling holes, a water suction pump is connected to the layered sampling tube 13 to pump water, and the water samples in the target stratum can be obtained after the mixed water stored in the drilling holes is pumped out. After the test of one test section is completed, the air pressure capsule is deflated to restore the original shape, then the drill rod and the water stop plug are lifted or lowered to the depth of the next test section, the operation is repeated, and the oscillation test of the next test section is carried out.
Preferably, the expansion rate of the middle air pressure capsule 7 and the lower air pressure capsule 4 is larger than that of the upper air pressure capsule 9, and the upper end, the lower end and the outer side of the middle air pressure capsule 7 and the lower air pressure capsule 4 are thickened and anti-wear.
According to the utility model, the characteristics that the drill rod of the drill bit is not taken out in the rope coring drilling process and the core is extracted by using the coring pipe are fully utilized, and the drilling sectional oscillation test becomes simple and feasible by combining the technical requirements of the oscillation test; in addition, the utility model can also realize the purpose of layering water sampling in the rope core drilling process. By using the water stop plug in the scheme, the water level probe can be directly put into the drill rod to carry out an oscillation test, so that the problem that the water level probe cannot be put is solved. GB/T16951-1997 specifies that the minimum inner diameter of the rope coring drill rod is 34mm, the maximum inner diameter is 101.5mm, and the rope coring drill rod can be completely put into a water level probe to carry out an oscillation test.
The foregoing is merely illustrative embodiments of the present utility model, and the present utility model is not limited thereto, and any changes or substitutions that may be easily contemplated by those skilled in the art within the scope of the present utility model should be included in the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope of the claims.
Claims (5)
1. The utility model provides a special drilling vibration test stagnant water embolism of rope coring drilling tool, its characterized in that includes combination rope, rings, well siphunculus, goes up capsule separation blade, goes up atmospheric pressure capsule, fixed clamping platform, middle atmospheric pressure capsule, pipe, air feed pipe, lower atmospheric pressure capsule and cone and import the platform, rings, go up capsule separation blade, go up atmospheric pressure capsule, fixed clamping platform and connect in series in proper order and install at well siphunculus top, middle atmospheric pressure capsule, pipe cover are in well siphunculus middle part, lower atmospheric pressure capsule is installed in well siphunculus lower part, respectively arrange a cone and import the platform in the upper and lower of middle atmospheric pressure capsule and lower atmospheric pressure capsule, air feed pipe upper portion contains in combination rope, and air feed pipe lower part is installed next to well siphunculus, from top to bottom passes in proper order and goes up capsule separation blade, goes up atmospheric pressure capsule, fixed clamping platform, middle atmospheric pressure capsule, the air feed pipe is provided with the gas filling hole in the part of capsule centre.
2. The drill oscillation test water stop plug special for a rope core drill according to claim 1, wherein the combined rope comprises a bearing steel wire rope and an air supply pipe.
3. The water stop plug for the drilling oscillation test special for the rope coring drilling tool according to claim 1, wherein the lower part of the air supply pipe is arranged beside the middle through pipe, a part of the pipe material contained in the combined rope of the air supply pipe is a wear-resistant tensile hose, the part of the air supply pipe arranged beside the middle through pipe is a steel pipe, and the part of the air supply pipe contained in the air pressure capsule is provided with an air charging hole for charging the air pressure capsule.
4. The special drilling oscillation test water stop plug for the rope coring drilling tool according to claim 1, wherein the design expansion rate of the middle air pressure capsule and the lower air pressure capsule is larger than that of the upper air pressure capsule, and the upper end, the lower end and the outer side of the middle air pressure capsule and the lower air pressure capsule are subjected to thickening anti-wear treatment.
5. The drill oscillation test water stop plug special for the rope coring drilling tool according to claim 1, wherein the bottom pipe orifice of the middle through pipe is sealed by a plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321826834.9U CN220487540U (en) | 2023-07-11 | 2023-07-11 | Special drilling oscillation test water stop plug for rope coring drilling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321826834.9U CN220487540U (en) | 2023-07-11 | 2023-07-11 | Special drilling oscillation test water stop plug for rope coring drilling tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220487540U true CN220487540U (en) | 2024-02-13 |
Family
ID=89837364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321826834.9U Active CN220487540U (en) | 2023-07-11 | 2023-07-11 | Special drilling oscillation test water stop plug for rope coring drilling tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220487540U (en) |
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2023
- 2023-07-11 CN CN202321826834.9U patent/CN220487540U/en active Active
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