CN117191466B - Drilling sampling device and method for petroleum exploitation - Google Patents
Drilling sampling device and method for petroleum exploitation Download PDFInfo
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- CN117191466B CN117191466B CN202311210878.3A CN202311210878A CN117191466B CN 117191466 B CN117191466 B CN 117191466B CN 202311210878 A CN202311210878 A CN 202311210878A CN 117191466 B CN117191466 B CN 117191466B
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- 238000005070 sampling Methods 0.000 title claims abstract description 247
- 238000005553 drilling Methods 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000003208 petroleum Substances 0.000 title abstract description 10
- 239000002689 soil Substances 0.000 claims abstract description 58
- 230000007246 mechanism Effects 0.000 claims abstract description 31
- 230000005540 biological transmission Effects 0.000 claims abstract description 22
- 238000007789 sealing Methods 0.000 claims description 39
- 238000007599 discharging Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 abstract description 5
- 206010066054 Dysmorphism Diseases 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
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Abstract
The invention belongs to the field of drilling and sampling, and aims to solve the problem that the conventional device is difficult to realize intermittent completion of sampling of a sample soil layer when a drill bit continuously drills, in particular to a drilling and sampling device for petroleum exploitation and a method thereof, wherein the drilling and sampling device comprises a fixed sleeve, a power shaft is rotatably connected inside the fixed sleeve, the output end of the power shaft is fixedly connected with the drill bit, and two groups of slide plates are arranged inside the fixed sleeve; according to the invention, through the mutual matching of the blanking component and the locking component, when the drill bit continuously drills down in the soil layer, the sampling box continuously samples soil layer materials at regular intervals, the phenomenon that in the prior art, the drill bit is required to be taken and put back and forth to take out samples after sampling is completed is avoided, meanwhile, the blanking component continuously conveys gas by a transmission mechanism, the blanking of the sample soil layer is assisted to be completed, the convenience of blanking of the sample soil layer in the sampling box is improved, and the blanking of the sample soil layer is more sufficient.
Description
Technical Field
The invention relates to the field of drilling sampling, in particular to a drilling sampling device and a drilling sampling method for petroleum exploitation.
Background
The drilling engineering is to take a drilling team as a main body according to the requirements of borehole diameter, azimuth, displacement, depth and the like specified by drilling geological design and drilling engineering design, and the related technical service teams participate in the drilling engineering together, and adopt equipment and instruments such as a drilling machine and the like to drill from the ground to the underground, so as to drill to a designed target layer and build an underground oil and gas channel; drilling engineering is generally composed of drilling operations, drilling services, cementing operations, logging operations, other operations, and the like;
according to the sampling drilling tool disclosed in the patent number CN2019204995534, the working efficiency of sampling operation is improved through hydraulic rotary impact and axial impact, meanwhile, drilling fluid can drive a first drilling mechanism to move, the power used by a motor is reduced, when the current drilling sampling device for oil exploitation is used for exploring, drilling and sampling soil layers, as the drilling device adopts a mode of adding a drill bit and an independent sampling groove, the drill bit is required to be taken out after each sampling in the drilling process, so that the materials of different soil layers can be judged, meanwhile, soil layer samples are adhered to the inner wall of a sampling box in the process of sampling and discharging the drill bit in a reciprocating manner, and the next sampling is easy to be affected if the sampling is not timely cleaned;
The existing drilling sampling device for petroleum exploitation is difficult to realize intermittent completion of sampling of a sample soil layer when a drill bit continuously drills, meanwhile, the drill bit is required to be taken and put back and forth to take out the sample after the sampling is completed, the blanking of the soil layer sample is difficult to conveniently complete, and the soil layer sample blanking is more sufficient;
In view of the above technical drawbacks, a solution is now proposed.
Disclosure of Invention
The invention aims to provide a drilling sampling device for petroleum exploitation and a method thereof, wherein a blanking component and a locking component are mutually matched, when a drill bit continuously drills in a soil layer and descends, a sampling box continuously samples soil layer materials at regular intervals, the problem that in the prior art, the drill bit is required to be taken and put back and forth to take out samples after sampling is completed, meanwhile, the blanking component continuously conveys gas by a transmission mechanism, blanking of a sample soil layer is assisted to be completed, convenience of blanking of the sample soil layer in the sampling box is improved, and the blanking of the sample soil layer is enabled to be more sufficient, so that the problem that the sampling of the sample soil layer is difficult to realize when the drill bit continuously drills in the prior art is solved.
In order to achieve the above purpose, the present invention provides the following technical solutions:
The drilling and sampling device for oil exploitation comprises a fixed sleeve, wherein a power shaft is rotationally connected inside the fixed sleeve, a drill bit is fixedly connected to the output end of the power shaft, two groups of slideway plates are arranged inside the fixed sleeve, two groups of sealing conveying channels are formed between the slideway plates and the fixed sleeve, a transmission mechanism is arranged on the outer wall of the power shaft, which is positioned at the bottom of the fixed sleeve, and a sampling mechanism is arranged inside the sealing conveying channels;
The sampling mechanism comprises an air leakage hole, a push rod, a piston plate, a sampling box, a first one-way valve, a control valve, a conveying pipe, a locking assembly, a blanking assembly and a second one-way valve, wherein the air leakage hole is formed in the bottom of the slideway plate, the push rod is connected to the outer wall of the bottom of the slideway plate in a sliding mode, the output end of the push rod extends to the inside of a sealing conveying channel and is fixedly connected with the piston plate, the piston plate is connected with the inner wall of the sealing conveying channel in a sliding mode, the conveying pipe is arranged at the top of the piston plate, the conveying pipe is fixedly connected with the inner wall of the sealing conveying channel, the first one-way valve is fixedly connected with the input end of the conveying pipe, the control valve is arranged at the top of the first one-way valve, the second one-way valve is arranged at the bottom of the first one-way valve, the control valve and the second one-way valve are both arranged on the outer wall of the sliding plate, the sampling box is arranged at the top of the conveying pipe, the sampling box is connected with the inner wall of the sealing conveying channel in a sliding mode, the sampling box is arranged between the sampling box and the conveying pipe, the conveying pipe is fixedly connected with the sealing conveying assembly, and the conveying assembly is arranged at the top of the sealing conveying channel.
Further, locking assembly includes equipment groove, sample connection, locking plate, spread groove, control groove, first spacing axle, L type control lever, first magnet, second magnet, third magnet and fourth magnet, the equipment groove is seted up on fixed sleeve's outer wall, the top in equipment groove is provided with the sample connection, the spread groove has been seted up at the top of sample connection, intercommunication each other between equipment groove, sample connection and the spread groove, mutually support between locking plate and equipment groove, sample connection and the spread groove, the locking plate is close to and has seted up the control groove on the outer wall of one side of sampling box, the inside fixedly connected with first spacing axle of control groove, the outer wall of first spacing axle is through bearing rotation connection has L type control lever, the one end of L type control lever extends to seal conveying passageway's inside, the other end fixedly connected with second magnet of L type control lever, mutually support between second magnet and the first magnet, the inner wall of first magnet and control groove has mutually support, locking plate and the mutually support of fourth magnet, the inside fixedly connected with of fourth magnet, mutually support between the top and the fixed connection of fourth magnet.
Further, the L-shaped control rod is arranged on the outer wall of the inside of the sealed conveying channel and is provided with a rubber layer, and the connecting groove and the sampling port are both arranged on the outer wall of the fixed sleeve.
Further, unloading subassembly includes first spacing hole, air vent, inlet port, balancing weight, closing plate, limiting plate, feed opening and connecting axle, the inlet port has been seted up on the outer wall of sampling tank bottom, the center department fixedly connected with balancing weight of sampling tank bottom, the inside bottom of sampling tank is provided with the closing plate, the top of closing plate is provided with the limiting plate, the top fixedly connected with connecting axle of limiting plate, the top activity of connecting axle extends to the outside of sampling tank, the top of connecting axle is provided with control assembly, first spacing hole is seted up on the outer wall at sealed conveying channel top, and the connecting axle is in same straight line with first spacing hole, the feed opening is seted up on fixed sleeve's outer wall, and communicates each other between feed opening and the first spacing hole and the sealed conveying channel, the feed opening is located sealed conveying channel's top, the air vent is seted up on the outer wall at fixed sleeve top.
Further, the control assembly comprises a first rotating shaft, a first bevel gear, a second rotating shaft, a second bevel gear, a limiting column, a motor and a clamping plate, wherein the top fixedly connected with clamping plate of the connecting shaft is matched with the limiting column, the second bevel gear is fixedly connected to the top of the limiting column, the second rotating shaft is fixedly connected to the top of the second bevel gear, the top of the second rotating shaft is rotatably connected with the inner wall of the fixing sleeve through a bearing, the first bevel gear is connected to the outer wall of the second bevel gear in a meshed mode, the first rotating shaft is fixedly connected to the center of the first bevel gear, one end of the first rotating shaft movably extends to the outer side of the fixing sleeve and is provided with the motor, and the motor is connected with the outer wall of the fixing sleeve.
Further, drive mechanism includes gag lever post, spacing ring, drive post, arc spacing slide and spring, the arc spacing slide has been seted up on the outer wall of power shaft bottom, the outside cover of power shaft bottom is equipped with the spacing ring, be connected with the drive post through the bolt rotation on the lateral wall of spacing ring, the drive post cooperatees with the inner wall of the spacing slide of arc, the equal sliding connection in both sides of spacing ring has the gag lever post, and the bottom and the fixed telescopic inner wall fixed connection of gag lever post, the cover is equipped with the spring on the outer wall between the top of gag lever post and the spacing ring, the outer wall at spacing ring top and the bottom fixed connection of push rod.
The method of the drilling sampling device for oil exploitation comprises the following steps:
Step one, a power shaft rotates to drive a fixed sleeve to enter underground together for drilling and sampling, a sample soil layer enters the inside of a sampling box through a sampling port, after sampling is completed, a control valve is closed, an arc-shaped limiting slide way on the power shaft is matched with a transmission column, a limiting ring reciprocates, the limiting ring drives a push rod to reciprocate in a sealed conveying channel, and the push rod drives a piston plate to reciprocate in the sealed conveying channel, so that the pressure intensity in the inside of the piston plate is increased;
The second step, gas continuously enters the sealed conveying channel through a second one-way valve, the piston plate continuously reciprocates in the sealed conveying channel, the gas is continuously conveyed to one side of the conveying pipe, the sampling box is continuously extruded to move upwards along with the increasing of the gas pressure between the conveying pipe and the sampling box, the inner wall of the bottom of the sampling box and the L-shaped control rod are mutually abutted, the sampling box moves upwards along with the sampling box until the fourth magnet and the third magnet at the top of the locking plate are mutually adsorbed, the sampling box continuously rises under the action of the pressure, the sampling box upwards pushes one end of the L-shaped control rod, the other end of the L-shaped control rod is separated between the first magnet and the second magnet under the action of the pressure, one end of the L-shaped control rod is contracted into the control groove, the sampling box continuously moves upwards, and the locking plate completes closing of a sampling port;
When the sampling box moves to the top of the sealed conveying channel, the connecting shaft extends to the outer side of the sealed conveying channel and is clamped with the inner part of the limiting column, the motor drives the first rotating shaft to rotate at the moment, the first rotating shaft drives the first bevel gear to rotate, the first bevel gear drives the second bevel gear to rotate, the second bevel gear drives the limiting column to rotate in degree, the connecting shaft simultaneously rotates along with the limiting column, the limiting plate at the bottom of the connecting shaft is mutually aligned with the special-shaped hole on the sealing plate, at the moment, the pressure in the sealed conveying channel is still increased, gas enters through the air inlet hole and extrudes the sealing plate, the sealing plate is extruded to move upwards along the limiting plate, and the sample soil layer in the sampling box is continuously discharged through the discharging hole to discharge;
And step four, after the blanking is completed, opening a control valve, discharging gas in the sealed conveying channel through the control valve, discharging gas in the fixed sleeve through a vent hole, gradually losing pushing of gas pressure of a sampling box in the sealed conveying channel, vertically descending in the sealed conveying channel until the sampling box impacts an L-shaped control rod, driving the L-shaped control rod to move downwards by the sampling box, pushing a locking plate into an equipment groove, restarting a sampling port, and sampling soil layers with different depths.
Compared with the prior art, the invention has the beneficial effects that:
In the invention, in the process of upward movement of the sampling box, the inner wall at the bottom of the sampling box and the L-shaped control rod are mutually abutted to drive the L-shaped control rod to move upward along with the sampling box until the fourth magnet and the third magnet at the top of the locking plate are mutually adsorbed, the sampling box at the moment continuously rises under the action of pressure, the sampling box pushes one end of the L-shaped control rod upward, the other end of the L-shaped control rod is separated between the first magnet and the second magnet under the action of pressure, one end of the L-shaped control rod is contracted into the control groove to enable the sampling box to continuously move upward, the locking plate at the moment completes closing of a sampling port, and after the sampling box is completed in a sampling soil layer through the locking assembly, the drilling sampling device for petroleum exploitation automatically completes sealing of the sampling port to prevent an external soil layer from entering the sealed conveying channel;
According to the invention, when the sampling box moves to the top of the sealed conveying channel, the connecting shaft stretches out of the sealed conveying channel and is clamped with the inside of the limiting column, the limiting plate at the bottom of the connecting shaft is aligned with the special-shaped hole on the sealing plate through the control component, the pressure in the sealed conveying channel is still increased, gas presses the sealing plate through the air inlet hole, the sample soil layer in the sampling box is continuously discharged through the discharging hole to be discharged, after the discharging is completed, the control valve is opened, the gas in the sealed conveying channel is discharged through the control valve, the gas in the fixed sleeve is discharged through the air hole, the sampling box in the sealed conveying channel gradually loses pushing of the gas pressure, the inside of the sealed conveying channel vertically descends until the sampling box impacts the L-shaped control rod, the sampling hole is re-opened by being matched with the locking component again, soil layers with different depths are sampled again, the soil layer in the sampling box is discharged through the discharging component, the soil layer sample in the sampling box is continuously lifted and the soil layer in the whole process is assisted by the sealing plate to push the soil layer, and the sample soil layer in the sampling box is discharged more fully;
according to the invention, through the mutual matching of the blanking component and the locking component, when the drill bit continuously drills in the soil layer and descends, the intermittent sampling soil layer material of the sampling box is enabled to be avoided, the situation that in the prior art, after sampling is finished, the drill bit is required to be taken and put back and forth to take out a sample is avoided, meanwhile, the blanking component is continuously conveyed by the transmission mechanism, the blanking of the sample soil layer is assisted to be finished, the convenience of blanking of the sample soil layer in the sampling box is improved, and the blanking of the sample soil layer is enabled to be more sufficient.
Drawings
For the convenience of those skilled in the art, the present invention will be further described with reference to the accompanying drawings;
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a front view of the transmission mechanism of the present invention;
FIG. 3 is a front view of the sampling mechanism of the present invention;
FIG. 4 is an enlarged schematic view of the structure of the area A in FIG. 2;
FIG. 5 is an enlarged schematic view of the structure of the area B in FIG. 4;
FIG. 6 is an enlarged schematic view of the structure of the region C in FIG. 1;
FIG. 7 is an enlarged schematic view of the structure of the region D in FIG. 6;
FIG. 8 is a perspective view of a limiting plate and a sealing plate in the blanking assembly of the present invention;
Fig. 9 is a perspective view of a transmission groove in the transmission mechanism in the present invention.
Reference numerals: 1. a power shaft; 2. a fixed sleeve; 3. a drill bit; 4. a transmission mechanism; 5. a slideway plate; 6. a sampling mechanism; 41. a limit rod; 42. a limiting ring; 43. a drive column; 44. arc limiting slideway; 45. a spring; 61. a vent hole; 62. a push rod; 63. a piston plate; 64. sampling box; 65. a first one-way valve; 66. a control valve; 67. a delivery tube; 68. a locking assembly; 69. a blanking assembly; 610. a second one-way valve; 681. an equipment tank; 682. a sampling port; 683. a locking plate; 684. a connecting groove; 685. a control groove; 686. a first limiting shaft; 687. an L-shaped control lever; 688. a first magnet; 689. a second magnet; 810. a third magnet; 811. a fourth magnet; 691. a first limiting hole; 692. a vent hole; 693. an air inlet hole; 694. balancing weight; 695. a sealing plate; 696. a limiting plate; 697. a feed opening; 698. a connecting shaft; 910. a first rotating shaft; 911. a first bevel gear; 912. a second rotating shaft; 913. a second bevel gear; 914. a limit column; 915. a motor; 916. and (5) clamping the plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
As shown in fig. 1-9, the drilling and sampling device for petroleum exploitation provided by the invention comprises a fixed sleeve 2, wherein the inside of the fixed sleeve 2 is rotationally connected with a power shaft 1, the output end of the power shaft 1 is fixedly connected with a drill bit 3, two groups of slide plates 5 are arranged in the fixed sleeve 2, two groups of sealed conveying channels are formed between the two groups of slide plates 5 and the fixed sleeve 2, a transmission mechanism 4 is arranged on the outer wall of the power shaft 1 positioned at the bottom of the fixed sleeve 2, sampling mechanisms 6 are arranged in the sealed conveying channels, the working processes of the sampling mechanisms 6 arranged at two sides in the fixed sleeve 2 are opposite, namely, when the sampling mechanism 6 at one side is sampling, the sampling mechanism 6 at the other side is unloading, and the two groups of slide plates are mutually matched to finish sampling together in an intermittent manner;
The sampling mechanism 6 comprises an air leakage hole 61, a push rod 62, a piston plate 63, a sampling box 64, a first one-way valve 65, a control valve 66, a conveying pipe 67, a locking component 68, a blanking component 69 and a second one-way valve 610, wherein the air leakage hole 61 is formed in the bottom of the slideway plate 5, the push rod 62 is connected to the outer wall of the bottom of the slideway plate 5 in a sliding mode, the output end of the push rod 62 extends to the inside of the sealing conveying channel and is fixedly connected with the piston plate 63, the piston plate 63 is connected with the inner wall of the sealing conveying channel in a sliding mode, the conveying pipe 67 is arranged at the top of the piston plate 63, the conveying pipe 67 is fixedly connected with the inner wall of the sealing conveying channel, the first one-way valve 65 is fixedly connected with the input end of the conveying pipe 67, the control valve 66 is arranged at the top of the first one-way valve 65, the control valve 66 and the second one-way valve 610 are both arranged on the outer wall of the sliding plate, the sampling box 64 is arranged at the top of the conveying pipe 67, the sampling box 64 is connected with the inner wall of the sealing conveying channel in a sliding mode, the locking component 68 is arranged between the sampling box 64 and the conveying pipe 67, and the sealing conveying component 69 is arranged at the top of the sealing conveying channel.
Example 2
The locking assembly 68 comprises a device groove 681, a sampling port 682, a locking plate 683, a connecting groove 684, a control groove 685, a first limit shaft 686, an L-shaped control rod 687, a first magnet 688, a second magnet 689, a third magnet 810 and a fourth magnet 811, wherein the device groove 681 is formed in the outer wall of the fixed sleeve 2, the sampling port 682 is formed in the top of the device groove 681, the connecting groove 684 is formed in the top of the sampling port 682, the device groove 681, the sampling port 682 and the connecting groove 684 are communicated with each other, the locking plate 683 is matched with the device groove 681, the sampling port 682 and the connecting groove 684, the control groove 685 is formed in the outer wall of one side of the locking plate 683, which is close to the sampling box 64, the first limit shaft 686 is fixedly connected to the inside of the control groove 687, one end of the L-shaped control rod 687, which is close to the sampling box 64, is formed in the other end of the L-shaped control rod 687, as shown in fig. 5, the other end of the L-shaped control rod 687 is rotatably connected to the inner wall of the second magnet 688, the inner wall 688 is fixedly connected to the second magnet 684, the inner wall 683 is fixedly arranged between the locking plate 683 and the second magnet 688, and the inner wall 688 is fixedly connected to the inner wall of the first magnet 684, and the inner wall 688.
The L-shaped control rod 687 is provided with a rubber layer on the outer wall of the inner part of the sealed conveying channel, and plays a role in buffering when the sampling box 64 descends, and the connecting groove 684 and the sampling port 682 are both arranged on the outer wall of the fixed sleeve 2.
In this embodiment, in the process of moving up the sampling box 64, the inner wall at the bottom of the sampling box 64 and the L-shaped control rod 687 are mutually abutted, so that the L-shaped control rod 687 is driven to move up along with the sampling box 64 until the fourth magnet 811 and the third magnet 810 at the top of the locking plate 683 are mutually adsorbed, the sampling box 64 at this time continues to rise due to the pressure, one end of the L-shaped control rod 687 is pushed up by the sampling box 64, while the other end of the L-shaped control rod 687 is separated between the first magnet 688 and the second magnet 689 due to the pressure, and one end of the L-shaped control rod 687 is contracted into the control slot 685, so that the sampling box 64 continues to move up, and the locking plate 683 at this time completes closing the sampling port 682, after the sampling box 64 completes sampling the soil layer through the locking assembly 68, the petroleum drilling sampling device automatically completes sealing the sampling port 682, and the petroleum drilling sampling device is prevented from entering the sealed conveying channel 682.
Example 3
The unloading subassembly 69 includes first spacing hole 691, the air vent 692, the inlet port 693, balancing weight 694, closing plate 695, limiting plate 696, feed opening 697 and connecting axle 698, the inlet port 693 has been seted up on the outer wall of sampling box 64 bottom, the center department fixedly connected with balancing weight 694 of sampling box 64 bottom, provide power for the in-process that sampling box 64 descends, the inside bottom of sampling box 64 is provided with closing plate 695, the dysmorphism hole has been seted up on closing plate 695's the outer wall, as shown in fig. 8, and the cross-sectional shape of dysmorphism hole and limiting plate 696 is unanimous, closing plate 695's top is provided with limiting plate 696, limiting plate 696 mainly plays the purpose to closing plate 695, limiting plate 696's top fixedly connected with connecting axle 698, connecting axle 698's top activity extends to the outside of sampling box 64, the top of connecting axle 698 is provided with control assembly, first spacing hole 691 is seted up on the outer wall at sealed delivery channel top, and connecting axle 698 is in same straight line with first spacing hole 691, the cross-sectional shape of limiting plate 696 is unanimous, the top is seted up at the top of a fixed connection between the conveying channel 692 and the top is located down between the sealed delivery channel 697 and the top is sealed delivery sleeve, the top is located down between the top and the delivery channel is sealed off at the top and the top of 692.
The control assembly comprises a first rotating shaft 910, a first bevel gear 911, a second rotating shaft 912, a second bevel gear 913, a limiting column 914, a motor 915 and a clamping plate 916, wherein the top of a connecting shaft 698 is fixedly connected with the clamping plate 916, the clamping plate 916 and the limiting column 914 are matched with each other, the top of the limiting column 914 is fixedly connected with the second bevel gear 913, the top of the second bevel gear 913 is fixedly connected with the second rotating shaft 912, the top of the second rotating shaft 912 is rotatably connected with the inner wall of the fixed sleeve 2 through a bearing, the first bevel gear 911 is connected to the outer wall of the second bevel gear 913 in a meshed manner, the first rotating shaft 910 is fixedly connected to the center of the first bevel gear 911, one end of the first rotating shaft 910 movably extends to the outer side of the fixed sleeve 2 and is provided with the motor 915, and the motor 915 is connected with the outer wall of the fixed sleeve 2.
In this embodiment, when the sampling box 64 moves to the top of the sealed conveying channel, the connecting shaft 698 extends to the outside of the sealed conveying channel and is clamped with the inside of the limiting post 914, at this time, the motor 915 drives the first rotating shaft 910 to rotate, the first rotating shaft 910 drives the first bevel gear 911 to rotate, the first bevel gear 911 drives the second bevel gear 913 to rotate, the second bevel gear 913 drives the limiting post 914 to rotate 90 degrees, the connecting shaft 698 rotates simultaneously with the limiting post 914, so that the limiting plate 696 at the bottom of the connecting shaft 698 is aligned with the special-shaped hole on the sealing plate 695, at this time, the pressure in the sealed conveying channel is still increased, the gas enters through the air inlet 693 and extrudes the sealing plate 695, the sealing plate 695 is extruded to move upwards along the limiting plate 696, the sample soil layer in the sampling box 64 is continuously discharged out of the blanking through the blanking hole 697, after the blanking is completed, the control valve 66 is opened, at this time, the gas in the sealed conveying channel is leaked through the control valve 66, the gas in the fixed sleeve 2 is discharged through the vent hole 692, the sampling box 64 in the sealed conveying channel gradually loses pushing of the gas pressure, the sampling box 64 vertically descends in the sealed conveying channel until the sampling box 64 collides with the L-shaped control rod 687, the sampling box 64 drives the L-shaped control rod 687 to move downwards, the locking plate 683 is pushed into the equipment groove 681, the sampling port 682 is restarted, soil layers with different depths are sampled again, soil layer samples in the sampling box 64 are blanked through the blanking component 69, and the sealing plate 695 continuously ascends to assist in pushing the blanking of the sample soil layers in the whole process, so that the soil layers of the samples in the sampling box 64 are blanked more fully.
Through the mutually supporting of unloading subassembly 69 and locking subassembly 68, when drill bit 3 constantly drills down in the soil layer, let sampling box 64 last periodic sampling soil layer material, avoid among the prior art, still need reciprocal taking and putting drill bit 3 take out the sample after the sample is accomplished, unloading subassembly 69 receives drive mechanism 4 constantly to carry gas simultaneously, supplementary completion is to the unloading of sample soil layer, improves the convenience of sample soil layer unloading in sampling box 64, and lets sample soil layer unloading get more abundant.
Example 4
The transmission mechanism 4 comprises a limit rod 41, a limit ring 42, a transmission column 43, an arc limit slideway 44 and a spring 45, wherein the arc limit slideway 44 is arranged on the outer wall of the bottom of the power shaft 1, the limit ring 42 is sleeved on the outer side of the bottom of the power shaft 1, the transmission column 43 is connected to the side wall of the limit ring 42 through bolt rotation, the transmission column 43 is matched with the inner wall of the arc limit slideway 44, both sides of the limit ring 42 are slidably connected with the limit rod 41, the bottom end of the limit rod 41 is fixedly connected with the inner wall of the fixed sleeve 2, the spring 45 is sleeved on the outer wall between the top of the limit rod 41 and the limit ring 42, and the outer wall of the top of the limit ring 42 is fixedly connected with the bottom of the push rod 62.
In this embodiment, the arc-shaped limit slide way 44 on the power shaft 1 is matched with the driving post 43, so that the limit ring 42 reciprocates, the limit ring 42 drives the push rod 62 to reciprocate in the sealed conveying channel, the push rod 62 drives the piston plate 63 to reciprocate in the sealed conveying channel, the sealed conveying channel is continuously conveyed with gas, the pressure is increased, and the conveying of the sampling box 64 and the blanking of the auxiliary blanking assembly 69 are completed.
Example 5
A method of drilling a sampling device for oil exploitation, comprising the steps of:
Step one, a power shaft 1 rotates to drive a fixed sleeve 2 to enter underground together for drilling and sampling, a sample soil layer enters the inside of a sampling box 64 through a sampling port 682, after sampling is completed, a control valve 66 is closed, an arc-shaped limit slide 44 on the power shaft 1 is matched with a transmission column 43, a limit ring 42 reciprocates, the limit ring 42 drives a push rod 62 to reciprocate in a sealed conveying channel, and the push rod 62 drives a piston plate 63 to reciprocate in the sealed conveying channel to increase the pressure intensity in the sealed conveying channel;
Step two, gas continuously enters the sealed conveying channel through the second one-way valve 610, the piston plate 63 continuously reciprocates in the sealed conveying channel, the gas is continuously conveyed to one side of the conveying pipe 67, the sampling box 64 is continuously extruded to move upwards along with the increasing gas pressure between the conveying pipe 67 and the sampling box 64, in the process of upwards moving the sampling box 64, the inner wall at the bottom of the sampling box 64 and the L-shaped control rod 687 are mutually abutted, namely one end with a spring piece, along with the upwards moving of the sampling box 64 until the fourth magnet 811 and the third magnet 810 at the top of the locking plate 683 are mutually adsorbed, at the moment, the sampling box 64 continuously rises due to the action of pressure, the sampling box 64 upwards pushes one end of the L-shaped control rod 687, the other end of the L-shaped control rod 687 is separated between the first magnet 688 and the second magnet 689 due to the action of the pressure, and one end of the L-shaped control rod 687 is contracted into the inner part of the control groove 685, the sampling box 64 continuously moves upwards, and the locking plate 683 completes closing of the sampling opening 682;
step three, when the sampling box 64 moves to the top of the sealed conveying channel, the connecting shaft 698 extends to the outer side of the sealed conveying channel and is clamped with the inner part of the limit column 914, at this time, the motor 915 drives the first rotating shaft 910 to rotate, the first rotating shaft 910 drives the first bevel gear 911 to rotate, the first bevel gear 911 drives the second bevel gear 913 to rotate, the second bevel gear 913 drives the limit column 914 to rotate 90 degrees, the connecting shaft 698 simultaneously rotates along with the limit column 914, so that the limit plate 696 at the bottom of the connecting shaft 698 is aligned with the special-shaped hole on the seal plate 695, at this time, the pressure in the sealed conveying channel is still increased, gas enters through the air inlet 693 and extrudes the seal plate 695, the seal plate 695 is extruded to move upwards along the limit plate 696, and the sample soil layer in the sampling box 64 is continuously discharged out of the blanking through the blanking hole 697;
Step four, after the blanking is completed, the control valve 66 is opened, at this time, the gas in the sealed conveying channel is leaked through the control valve 66, the gas in the fixed sleeve 2 is discharged through the vent hole 692, the sampling box 64 in the sealed conveying channel gradually loses pushing of the gas pressure, the sampling box 64 in the sealed conveying channel vertically descends until the sampling box 64 impacts the L-shaped control rod 687, the sampling box 64 drives the L-shaped control rod 687 to move downwards, the locking plate 683 is pushed into the equipment groove 681, the sampling port 682 is restarted, and soil layers with different depths are sampled again.
The working process and principle of the invention are as follows:
The power shaft 1 rotates to drive the fixed sleeve 2 to enter the ground together for drilling and sampling, a sample soil layer enters the inside of the sampling box 64 through the sampling port 682, after sampling is completed, the control valve 66 is closed, and the push rod 62 drives the piston plate 63 to reciprocate in the sealed conveying channel through the transmission mechanism 4, so that the pressure intensity in the sample soil layer is increased; as the gas pressure between the conveying pipe 67 and the sampling box 64 increases, the sampling box 64 is continuously extruded to move upwards, and in the process of moving the sampling box 64 upwards, the inner wall of the bottom of the sampling box 64 is matched with the locking component 68, so that the sampling port 682 is closed; when the sampling box 64 moves to the top of the sealed conveying channel, the sampling box is matched with the blanking component 69 to continuously discharge the sample soil layer in the sampling box 64 out of the blanking through the blanking opening 697; after the blanking is completed, the control valve 66 is opened, at this time, the gas in the sealed conveying channel is leaked through the control valve 66, the gas in the fixed sleeve 2 is discharged through the vent hole 692, the sampling box 64 in the sealed conveying channel gradually loses pushing of the gas pressure, and the sampling box 64 vertically descends in the sealed conveying channel until the sampling box 64 impacts the L-shaped control rod 687, and the sampling opening 682 is opened again in cooperation with the locking assembly 68, so that soil layers with different depths are sampled again.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (5)
1. The utility model provides a drilling sampling device for oil exploitation, includes fixed sleeve (2), the inside rotation of fixed sleeve (2) is connected with power shaft (1), the output fixedly connected with drill bit (3) of power shaft (1), its characterized in that, the inside of fixed sleeve (2) is provided with two sets of slide board (5), two sets of form two sets of sealed conveying channel between slide board (5) and fixed sleeve (2), power shaft (1) are provided with drive mechanism (4) on the outer wall of fixed sleeve (2) bottom, and the inside of sealed conveying channel is provided with sampling mechanism (6);
The sampling mechanism (6) comprises a vent hole (61), a push rod (62), a piston plate (63), a sampling box (64), a first one-way valve (65), a control valve (66), a conveying pipe (67), a locking component (68), a discharging component (69) and a second one-way valve (610), wherein the vent hole (61) is formed in the bottom of the slide plate (5), the push rod (62) is slidably connected to the outer wall of the bottom of the slide plate (5), the output end of the push rod (62) extends to the inside of a sealed conveying channel and is fixedly connected with the piston plate (63), the piston plate (63) is slidably connected with the inner wall of the sealed conveying channel, a conveying pipe (67) is arranged at the top of the piston plate (63), the conveying pipe (67) is fixedly connected with the inner wall of the sealed conveying channel, the first one-way valve (65) is fixedly connected with the input end of the conveying pipe (67), the control valve (66) is arranged at the top of the first one-way valve (65), the second one-way valve (610) is arranged at the bottom of the first one-way valve (65), the control valve (66) is slidably connected with the inner wall of the sampling box (64) on the top of the sealed conveying channel, a locking component (68) is arranged between the sampling box (64) and the conveying pipe (67), a blanking component (69) is arranged at the top of the sealed conveying channel, and the working processes of the sampling mechanisms (6) arranged at two sides in the fixed sleeve (2) are opposite, namely, when the sampling mechanism (6) at one side is sampling, the sampling mechanism (6) at the other side is unloading, and the two mechanisms are mutually matched to finish the sampling together in an intermittent mode;
The locking assembly (68) comprises an equipment groove (681), a sampling port (682), a locking plate (683), a connecting groove (684), a control groove (685), a first limiting shaft (686), an L-shaped control rod (687), a first magnet (688), a second magnet (689), a third magnet (810) and a fourth magnet (811), wherein the equipment groove (681) is formed in the outer wall of the fixed sleeve (2), the top of the equipment groove (681) is provided with the sampling port (682), the top of the sampling port (682) is provided with the connecting groove (684), the equipment groove (681), the sampling port (682) and the connecting groove (684) are mutually communicated, the locking plate (683) is mutually matched with the equipment groove (681), the sampling port (682) and the connecting groove (684), the control groove (685) is formed in the outer wall of one side of the locking plate (683) close to the sampling box (64), the control groove (685) is formed in the inner part, the first shaft (686) is fixedly connected with the inner wall of the first rotating shaft (687), the first shaft (687) is connected with the inner side of the control rod (687) in an extending mode, the second shaft (687) is connected with the inner side of the control rod (687) in a sealing mode, the second magnet (689) is matched with the first magnet (688), the first magnet (688) is fixedly connected with the inner wall of the control groove (685), the top of the locking plate (683) is fixedly connected with a fourth magnet (811), the fourth magnet (811) is matched with the third magnet (810), and the third magnet (810) is fixedly connected with the inner wall of the top of the connecting groove (684);
The connecting groove (684) and the sampling port (682) are both arranged on the outer wall of the fixed sleeve (2);
The transmission mechanism (4) comprises a limiting rod (41), a limiting ring (42), a transmission column (43), an arc limiting slideway (44) and a spring (45), wherein the arc limiting slideway (44) is arranged on the outer wall of the bottom of the power shaft (1), the limiting ring (42) is sleeved on the outer side of the bottom of the power shaft (1), the transmission column (43) is rotationally connected to the side wall of the limiting ring (42) through a bolt, the transmission column (43) is matched with the inner wall of the arc limiting slideway (44), the limiting rods (41) are slidably connected to the two sides of the limiting ring (42), the bottom end of the limiting rod (41) is fixedly connected with the inner wall of the fixed sleeve (2), the spring (45) is sleeved on the outer wall between the top of the limiting rod (41) and the limiting ring (42), and the outer wall of the top of the limiting ring (42) is fixedly connected with the bottom of the push rod (62);
The power shaft (1) rotates to drive the fixed sleeve (2) to enter underground together for drilling and sampling, a sample soil layer enters the inside of the sampling box (64) through the sampling port (682), after sampling is completed, the control valve (66) is closed, and the push rod (62) drives the piston plate (63) to reciprocate in the sealed conveying channel through the transmission mechanism (4), so that the pressure intensity in the sealed conveying channel is increased; along with the increasing of the gas pressure between the conveying pipe (67) and the sampling box (64), the sampling box (64) is continuously extruded to move upwards, and the inner wall of the bottom of the sampling box (64) is matched with the locking component (68) in the process of moving the sampling box (64) upwards, so that the sampling port (682) is closed; when the sampling box (64) moves to the top of the sealed conveying channel, the sampling box is matched with the blanking component (69) to continuously discharge a sample soil layer in the sampling box (64) out of the blanking through the blanking opening (697);
In the process of upward movement of the sampling box (64), the inner wall at the bottom of the sampling box (64) and the L-shaped control rod (687) are mutually abutted, the L-shaped control rod (687) is driven to move upward along with the sampling box (64) until the fourth magnet (811) and the third magnet (810) at the top of the locking plate (683) are mutually adsorbed, the sampling box (64) at the moment continuously rises under the action of pressure, the sampling box (64) upwards pushes one end of the L-shaped control rod (687), the other end of the L-shaped control rod (687) is separated between the first magnet (688) and the second magnet (689) under the action of pressure, one end of the L-shaped control rod (687) is contracted to the inside of the control groove (685), the sampling box (64) continuously moves upward, and the locking plate (683) at the moment completes closing of the sampling port (682).
2. The drilling and sampling device for oil exploitation according to claim 1, wherein the outer wall of the L-shaped control rod (687) positioned in the sealed conveying channel is provided with a rubber layer.
3. The drilling and sampling device for oil exploitation according to claim 2, wherein the blanking component (69) comprises a first limiting hole (691), an air vent (692), an air inlet hole (693), a balancing weight (694), a sealing plate (695), a limiting plate (696), a blanking port (697) and a connecting shaft (698), the air inlet hole (693) is formed in the outer wall of the bottom of the sampling box (64), the balancing weight (694) is fixedly connected to the center of the bottom of the sampling box (64), the sealing plate (695) is arranged at the bottom end of the inside of the sampling box (64), a connecting shaft (698) is fixedly connected to the upper part of the sealing plate (695), the top of the limiting plate (696) is movably extended to the outer side of the sampling box (64), a control component is arranged at the top of the connecting shaft (698), the first limiting hole (691) is formed in the outer wall of the top of a sealing conveying channel, the connecting shaft (698) and the first limiting plate (698) are fixedly connected to the first limiting plate (691) and the first limiting plate (698) in a sealing way, the upper limiting plate (697) is communicated with the upper end of the first limiting plate (697) and the lower limiting plate (697) and the upper end of the first limiting plate (691) and the lower limiting plate (697) are arranged on the sealing sleeve (691), the vent hole (692) is arranged on the outer wall of the top of the fixed sleeve (2).
4. A drilling and sampling device for oil exploitation according to claim 3, characterized in that the control assembly comprises a first rotating shaft (910), a first bevel gear (911), a second rotating shaft (912), a second bevel gear (913), a limit column (914), a motor (915) and a clamping plate (916), the top fixedly connected with clamping plate (916) of the connecting shaft (698), the clamping plate (916) and the limit column (914) are matched with each other, the top fixedly connected with the second bevel gear (913) of the limit column (914), the top fixedly connected with the second rotating shaft (912) of the second bevel gear (913), the top of the second rotating shaft (912) is rotatably connected with the inner wall of the fixed sleeve (2) through a bearing, the first bevel gear (911) is connected to the outer wall of the second bevel gear (913) in a meshed manner, one end of the first rotating shaft (910) is movably extended to the outer side of the fixed sleeve (2) and is provided with the motor (915), and the motor (915) is fixedly connected with the outer wall of the fixed sleeve (2).
5. A sampling method using a drilling and sampling apparatus for oil exploitation according to claim 4, comprising the steps of:
Step one, a power shaft (1) rotates to drive a fixed sleeve (2) to enter underground together for drilling and sampling, a sample soil layer enters the inside of a sampling box (64) through a sampling port (682), after sampling is completed, a control valve (66) is closed, an arc-shaped limit slideway (44) on the power shaft (1) is matched with a transmission column (43) to enable a limit ring (42) to reciprocate, the limit ring (42) drives a push rod (62) to reciprocate in a sealed conveying channel, and the push rod (62) drives a piston plate (63) to reciprocate in the sealed conveying channel to increase the pressure in the sealed conveying channel;
Step two, gas continuously enters the inside of the sealed conveying channel through a second one-way valve (610), a piston plate (63) continuously reciprocates in the inside of the sealed conveying channel, the gas is continuously conveyed to one side of a conveying pipe (67), the sampling box (64) is continuously extruded to move upwards along with the increasing of the gas pressure between the conveying pipe (67) and the sampling box (64), the inner wall at the bottom of the sampling box (64) and an L-shaped control rod (687) are mutually abutted in the process of upwards moving the sampling box (64), the sampling box (64) moves upwards along with the sampling box until a fourth magnet (811) at the top of a locking plate (683) and a third magnet (810) are mutually adsorbed, the sampling box (64) continuously rises due to the pressure, one end of the L-shaped control rod (687) is pushed upwards by the sampling box (64), the other end of the L-shaped control rod (687) is separated between the first magnet (688) and the second magnet (689) due to the pressure, and the sampling box (687) is continuously closed to the locking of the sampling box (683) at one end;
When the sampling box (64) moves to the top of the sealed conveying channel, the connecting shaft (698) stretches out to the outer side of the sealed conveying channel and is clamped with the inner part of the sealing and conveying channel, at the moment, the motor (915) drives the first rotating shaft (910) to rotate, the first rotating shaft (910) drives the first bevel gear (911) to rotate, the first bevel gear (911) drives the second bevel gear (913) to rotate, the second bevel gear (913) drives the limiting and conveying channel (914) to rotate by 90 degrees, the connecting shaft (698) rotates along with the limiting and conveying channel (914) at the same time, so that the limiting plate (696) at the bottom of the connecting shaft (698) is aligned with a special-shaped hole on the sealing plate (695), at the moment, the pressure in the sealed conveying channel still increases, gas enters through the air inlet hole (693) and extrudes the sealing plate (695), the sealing plate (695) is extruded to move upwards along the limiting plate (696), and samples in the sampling box (64) are discharged from the soil layer through the discharging hole (697);
And fourthly, after blanking is completed, opening a control valve (66), discharging gas in the sealed conveying channel through the control valve (66), discharging gas in the fixed sleeve (2) through a vent hole (692), gradually losing pushing of gas pressure of a sampling box (64) in the sealed conveying channel, vertically descending in the sealed conveying channel until the sampling box (64) impacts an L-shaped control rod (687), driving the L-shaped control rod (687) to move downwards by the sampling box (64), pushing a locking plate (683) into an equipment groove (681), and restarting a sampling port (682), and sampling soil layers with different depths again.
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| CN202311210878.3A CN117191466B (en) | 2023-09-20 | 2023-09-20 | Drilling sampling device and method for petroleum exploitation |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2300211A1 (en) * | 1976-02-05 | 1976-09-03 | Taywood Seltrust Offshore | DRILLING AND SAMPLING-ANALYSIS FACILITY |
| DE19838199C1 (en) * | 1998-08-24 | 2000-03-16 | Hans Hoelzl | Soil sampling drill |
| RU2017100289A (en) * | 2017-01-09 | 2018-07-10 | Федеральное государственное бюджетное учреждение науки Институт биологии Коми научного центра Уральского отделения Российской академии наук | METHOD FOR MANUAL DRILLING OF FROZEN HORIZONS IN SOILS AND UPPER LAYER OF MULTI-FROZEN BREEDS WITH SIMULTANEOUS SELECTION OF UNBOUNDED SOIL SOILS |
| CN110714733A (en) * | 2019-11-04 | 2020-01-21 | 浙江工业职业技术学院 | Drilling machine and drilling machine with locking structure |
| CN114856555A (en) * | 2022-07-05 | 2022-08-05 | 西安石油大学 | Oil development creeps into sampling device |
| CN116163655A (en) * | 2023-03-29 | 2023-05-26 | 胜利油田利丰石油设备制造有限公司 | Petroleum exploitation vibration-damping drilling machine |
-
2023
- 2023-09-20 CN CN202311210878.3A patent/CN117191466B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4043407A (en) * | 1975-02-06 | 1977-08-23 | Taywood Seltrust Offshore | Drilling sampling/testing equipment |
| FR2300211A1 (en) * | 1976-02-05 | 1976-09-03 | Taywood Seltrust Offshore | DRILLING AND SAMPLING-ANALYSIS FACILITY |
| DE19838199C1 (en) * | 1998-08-24 | 2000-03-16 | Hans Hoelzl | Soil sampling drill |
| RU2017100289A (en) * | 2017-01-09 | 2018-07-10 | Федеральное государственное бюджетное учреждение науки Институт биологии Коми научного центра Уральского отделения Российской академии наук | METHOD FOR MANUAL DRILLING OF FROZEN HORIZONS IN SOILS AND UPPER LAYER OF MULTI-FROZEN BREEDS WITH SIMULTANEOUS SELECTION OF UNBOUNDED SOIL SOILS |
| CN110714733A (en) * | 2019-11-04 | 2020-01-21 | 浙江工业职业技术学院 | Drilling machine and drilling machine with locking structure |
| CN114856555A (en) * | 2022-07-05 | 2022-08-05 | 西安石油大学 | Oil development creeps into sampling device |
| CN116163655A (en) * | 2023-03-29 | 2023-05-26 | 胜利油田利丰石油设备制造有限公司 | Petroleum exploitation vibration-damping drilling machine |
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