CN118030018A - Mechanical measuring device for drilling speed of middle-deep geothermal well - Google Patents
Mechanical measuring device for drilling speed of middle-deep geothermal well Download PDFInfo
- Publication number
- CN118030018A CN118030018A CN202410436559.2A CN202410436559A CN118030018A CN 118030018 A CN118030018 A CN 118030018A CN 202410436559 A CN202410436559 A CN 202410436559A CN 118030018 A CN118030018 A CN 118030018A
- Authority
- CN
- China
- Prior art keywords
- force application
- supporting main
- plate
- pull rod
- fixedly arranged
- 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.)
- Pending
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 41
- 230000005540 biological transmission Effects 0.000 claims abstract description 56
- 238000004140 cleaning Methods 0.000 claims abstract description 24
- 230000000712 assembly Effects 0.000 claims abstract description 19
- 238000000429 assembly Methods 0.000 claims abstract description 19
- 239000006096 absorbing agent Substances 0.000 claims description 14
- 238000011326 mechanical measurement Methods 0.000 claims description 11
- 238000005259 measurement Methods 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 10
- 239000003208 petroleum Substances 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 17
- 238000001514 detection method Methods 0.000 description 10
- 238000000926 separation method Methods 0.000 description 6
- 230000000903 blocking effect Effects 0.000 description 4
- 229920001971 elastomer Polymers 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000001808 coupling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012067 mathematical method Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Abstract
The invention relates to a mechanical measuring device for drilling speed of a middle-deep geothermal well, belonging to the technical field of petroleum drilling; the device comprises two measuring assemblies, wherein the two measuring assemblies are symmetrically arranged at the left side and the right side of the square drill rod and are connected with each other through a first force application component; the measuring assembly comprises a bottom plate, a supporting main plate and a connecting auxiliary plate, wherein the lower end of the supporting main plate is hinged with the bottom plate, the lower end of the connecting auxiliary plate is hinged with the upper end of the supporting main plate, a transmission rotating shaft is rotatably arranged at the upper end of the supporting main plate, a Hall rotating speed sensor is further arranged on the supporting main plate, a cleaning roller is rotatably arranged at the upper end of the connecting auxiliary plate, and a telescopic second force application component is arranged between the supporting main plate and the bottom plate; when the second force application component is in an extending state, the transmission rotating shaft and the cleaning roller are contacted with the kelly; the problem of current well drilling in-process drill bit mechanical feed speed real-time measurement difficulty is solved.
Description
Technical Field
The invention belongs to the technical field of petroleum drilling, and particularly relates to a mechanical measuring device for drilling speed of a middle-deep geothermal well.
Background
With the development of the technology of geothermal energy of middle and deep layers, how to perform drilling operation more efficiently and economically becomes a problem to be solved. In the well drilling process, the mechanical feeding speed of the drill bit is influenced by the joint coupling action of various factors, such as the rotation speed of the drill bit, the weight of the drill bit, the hardness of the stratum, the depth of the stratum, the type of the stratum and the like, and the mechanical feeding speed of the drill bit is an important index reflecting the progress of drilling engineering. If the real-time measurement of the mechanical feeding speed in the drilling process can be realized, the material adjustment of the construction site personnel can be more reasonably carried out, and the construction period estimation can be more accurately carried out. According to the real-time change of the mechanical feeding speed of the drill bit, the lithology of the geological rock stratum in the drilling process can be predicted and evaluated.
Currently, the prior art scheme is based on an improved mechanical drilling speed prediction equation, and based on detected actual working field data of drilling, the mechanical drilling speed prediction is performed by processing the actual working field data by various mathematical methods. However, in practice there are the following problems: first, the formation environment is complex and variable, the actual situation of two boreholes at different positions can vary widely, the predicted mechanical feed speed is poor in reliability, and real-time measurement cannot be achieved. Secondly, a large amount of drilling data after drilling needs corresponding detection equipment and technical analysts, and the time and the cost are long.
Disclosure of Invention
The invention overcomes the defects of the prior art and provides a mechanical measuring device for the drilling speed of a middle-deep geothermal well; the problem of current well drilling in-process drill bit mechanical feed speed real-time measurement difficulty is solved.
In order to achieve the above purpose, the present invention is realized by the following technical scheme.
The mechanical measuring device for the drilling speed of the middle-deep geothermal well comprises two measuring assemblies, wherein the two measuring assemblies are symmetrically arranged on the left side and the right side of a square drill rod, and the two measuring assemblies are connected with each other through a first force application component; the measuring assembly comprises a bottom plate, a supporting main plate and a connecting auxiliary plate, wherein the lower end of the supporting main plate is hinged with the bottom plate, the lower end of the connecting auxiliary plate is hinged with the upper end of the supporting main plate, a transmission rotating shaft is rotatably arranged at the upper end of the supporting main plate, a Hall rotating speed sensor is further arranged on the supporting main plate, a cleaning roller is rotatably arranged at the upper end of the connecting auxiliary plate, and a telescopic second force application component is arranged between the supporting main plate and the bottom plate; when the second force application component is in an extending state, the transmission rotating shaft and the cleaning roller are both in contact with the kelly.
Further, two front-back symmetrical fixing seats are fixedly arranged in the middle of the upper end face of the bottom plate, a supporting main plate is arranged on each fixing seat, the lower ends of the supporting main plates are hinged with the fixing seats, a horizontal cross beam is fixedly arranged between the middle parts of the two supporting main plates, and two front-back symmetrical Hall rotation speed sensors are fixedly arranged on the horizontal cross beam.
Further, the axis of the transmission rotating shaft is horizontally arranged along the front and the back, and two ends of the transmission rotating shaft are respectively connected with the upper ends of the two support main boards in a rotating way; four circular array mounting holes are respectively formed in two ends of the transmission rotating shaft, a strong permanent magnet is fixedly arranged in each mounting hole, and magnetic poles of any two adjacent strong permanent magnets are opposite at one end of the outer side of each mounting hole; the two Hall rotation speed sensors are respectively positioned at the lower sides of the two groups of strong permanent magnets.
Further, each supporting main board is connected with a connecting auxiliary board, and the lower end of the connecting auxiliary board is hinged with the upper end of the supporting main board; the cleaning roller is rotatably arranged between the upper ends of the two connecting auxiliary plates; the end face of one side of the two connecting auxiliary plates, which are far away from each other, is fixedly provided with a hanging table.
Further, the cleaning roller comprises a supporting shaft, two ends of the supporting shaft are respectively connected to the upper ends of the two connecting auxiliary plates in a rotating mode, and a sponge sleeve is wrapped on the outer cylindrical surface of the supporting shaft.
Further, the second force application component comprises a lower side hinging seat, an upper side hinging seat, a second cylinder body, a second pull rod, a second spring and electromagnetic attraction; the lower hinge seat is fixedly arranged in the middle of the upper end face of the bottom plate along the front-rear direction and is positioned at one side of the two fixed seats away from the kelly bar; the upper hinge seat is fixedly arranged in the middle of the horizontal cross beam; the second cylinder body is of a cylindrical structure with an opening at the upper end, and the lower end of the second cylinder body is rotationally connected to the lower side hinge seat.
Further, an electromagnetic absorber is fixedly arranged at the inner bottom surface of the second cylinder body; the lower end of the second pull rod is inserted into the second cylinder body, the second pull rod comprises a pull rod main body in the middle and anti-falling blocks at the upper end and the lower end, the anti-falling block at the lower end is positioned in the second rod body, and the anti-falling block at the upper end is hinged with the upper hinging seat; the middle part of the inner wall of the second cylinder body is fixedly provided with a separation ring, the separation ring is sleeved on the outer side of the pull rod main body, the outer side of the pull rod main body above the separation ring is sleeved with a second spring, and the upper end and the lower end of the second spring are respectively fixedly connected with the anti-falling block at the upper end and the separation ring.
Further, the power supply box is fixedly arranged at the upper end face of the bottom plate at the rear side of the lower hinge seat, the information acquisition and transmission equipment is fixedly arranged at the upper end face of the bottom plate at the front side of the lower hinge seat, the information acquisition and transmission equipment and the electromagnetic absorber are connected with the power supply box through electric wires, and the information acquisition and transmission equipment is connected with the two Hall rotation speed sensors through data wires.
Further, the number of the first force application components is two, the two first force application components are symmetrically arranged on the front side and the rear side of the kelly bar respectively, the first force application components are horizontally arranged along the left-right direction, two ends of the first force application component on the front side are respectively connected with hanging tables on the front sides of the left measuring assembly and the right measuring assembly, and two ends of the first force application component on the rear side are respectively connected with hanging tables on the rear sides of the left measuring assembly and the right measuring assembly.
Further, each first force application assembly comprises a first cylinder body, two first pull rods and two first springs; an action groove is formed in each of the two ends of the first cylinder body, a first pull rod is inserted into each action groove, an anti-drop ring is fixedly arranged at one end of the first pull rod, which is positioned in the action groove, and a fixing ring is fixedly arranged at one end of the first pull rod, which is far away from the action groove; the first spring is sleeved on the outer side of the first pull rod in the action groove, and two ends of the first spring are fixedly connected with the anti-drop ring and the inner wall of the outer opening of the action groove respectively; the fixed rings on the two first pull rods of the first force application component are respectively sleeved on the left hanging table and the right hanging table.
Compared with the prior art, the invention has the following beneficial effects:
1. The invention can realize real-time measurement of the feeding speed of the drill bit machinery in the well drilling process, and solves the problems that the feeding speed of the drill bit machinery is changed in the well drilling process and is difficult to accurately measure in time.
2. The invention detects the linear movement speed of the drill rod by friction transmission, and the detected mechanical feeding speed of the drill bit has high precision, so that the change of underground drilling environment (such as lithology and fault) can be better detected.
3. Compared with the prior art, the invention does not need to carry out a great deal of geological exploration on the well drilling site in advance, can be directly installed and used, and saves the cost of drilling engineering.
4. The device can be automatically adjusted to adapt to the detection of the mechanical feed speed of the square drilling rods with different sizes.
Drawings
The invention is described in further detail below with reference to the accompanying drawings:
FIG. 1 is a front elevational view of the entirety of the present invention;
FIG. 2 is a top view of the entirety of the present invention;
FIG. 3 is a partial side view of a single measurement assembly at electromagnetic pull-on;
FIG. 4 is a partial elevation view of a single measurement assembly at electromagnetic pull-up;
FIG. 5 is a side view of a second force application assembly;
FIG. 6 is a front view of the drive shaft;
FIG. 7 is a side view of the drive shaft;
FIG. 8 is a schematic structural view of a first force application assembly;
FIG. 9 is a schematic view of a structure for supporting a motherboard;
FIG. 10 is a schematic view of the structure of the connection sub-panel;
The device comprises a bottom plate 1, a rotary table 2, a square bushing 3, a fixed seat 4, a fixed stud 5, a supporting main plate 6, a supporting stud 7, a felt pad 8, a horizontal beam 9, a Hall rotation speed sensor 10, a transmission rotation shaft 11, a transmission shaft section 12, a detection shaft section 13, a fixed shaft section 14, a strong permanent magnet 15, a connecting auxiliary plate 16, a hanging table 17, a cleaning roller 18, a supporting shaft 19, a sponge sleeve 20, a second force application component 21, a lower hinge seat 22, an upper hinge seat 23, a second cylinder 24, a second pull rod 25, a separating ring 26, a second spring 27, an electromagnetic suction 28, a power supply box 29, an information acquisition and transmission device 30, a water retaining plate 31, a hinge 32, a fixed clamping block 33, a fixed plug 34, a first force application component 35, a first cylinder 36, a first pull rod 37, a first spring 38, a fixed ring 39, a limit position 40, a central control platform 42 and a square control 42.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the invention is further described in detail by combining the embodiments and the drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention. The following describes the technical scheme of the present invention in detail with reference to examples and drawings, but the scope of protection is not limited thereto.
As shown in fig. 1 to 10, the present invention provides a mechanical measurement device for drilling speed of a deep geothermal well, comprising two measurement assemblies symmetrically arranged on the left and right sides of a kelly 42, the two measurement assemblies being connected to each other by a first force application member 35; the measuring assembly comprises a bottom plate 1, a supporting main plate 6 and a connecting auxiliary plate 16, wherein the lower end of the supporting main plate 6 is hinged with the bottom plate 1, the lower end of the connecting auxiliary plate 16 is hinged with the upper end of the supporting main plate 6, a transmission rotating shaft 11 is rotatably arranged at the upper end of the supporting main plate 6, a Hall rotating speed sensor 10 is further arranged on the supporting main plate 6, a cleaning roller 18 is rotatably arranged at the upper end of the connecting auxiliary plate 16, and a telescopic second force application component 21 is arranged between the supporting main plate 6 and the bottom plate 1; when the second force application assembly 21 is in the extended state, both the drive shaft 11 and the scrub roller 18 are in contact with the kelly 42.
The bottom plate 1 is of a square plate-shaped structure which is horizontally arranged, the rotary table 2 is arranged below the bottom plate 1, fixing holes are formed in four corners of the bottom plate 1, and four fixing bolts downwards penetrate through the four fixing holes of the bottom plate 1 respectively and then are in threaded connection with the rotary table 2, so that the bottom plate 1 is fixed on the rotary table 2. The turntable 2 is rotatably coupled to the geothermal well inner wall as the kelly 42 and the geothermal well inner wall axially positions the turntable 2 so that the turntable 2 does not change in elevation as the kelly 42 rotates. The bottom plate 1 rotates synchronously with the turntable 2 inside the geothermal well.
An arc notch is formed in the end face of one side, facing the kelly 42, of the bottom plate 1, a square bushing 3 is arranged in the arc notch, the square bushing 3 is fixedly arranged on the upper end face of the rotary table 2, and the square bushing 3 is avoided through the arc notch.
Two fixing seats 4 which are symmetrical in the front and the back are fixedly arranged in the middle of the upper end face of the bottom plate 1, a fixing stud 5 is fixedly arranged on the end face of one side, away from each other, of the two fixing seats 4, and the fixing stud 5 is horizontally arranged along the front and the back directions.
The fixing base 4 is provided with a supporting main board 6, the lower end of the supporting main board 6 is provided with a circular through hole, the middle of the supporting main board 6 is provided with an upper rectangular through hole and a lower rectangular through hole, a stepped groove is formed in one side end face of the upper end of the supporting main board 6, and a supporting stud 7 is fixedly arranged in the other side end face of the upper end of the supporting main board 6. The axis of the support stud 7 is perpendicular to the support main 6. The circular through hole at the lower end of the support main board 6 is sleeved outside the corresponding fixing stud 5 of the fixing seat 4, the fixing stud 5 passes through the outer side of the end part of the circular through hole and is in threaded connection with a nut, and the outer side of the fixing stud 5 between the nut and the support main board 6 is sleeved with a felt pad 8. The stepped grooves on the two support main plates 6 are respectively positioned on one side facing each other, and the support studs 7 on the two support main plates 6 are respectively positioned on one side facing away from each other. Two horizontal cross beams 9 which are parallel to each other are fixedly arranged between the middle parts of the two support main boards 6, the horizontal cross beams 9 horizontally extend along the front and rear directions, two ends of the upper horizontal cross beam 9 are respectively fixedly inserted into rectangular through holes on the upper sides of the two support main boards 6, and two ends of the lower horizontal cross beam 9 are respectively fixedly inserted into rectangular through holes on the lower sides of the two support main boards 6.
Two front-back symmetrical Hall rotation speed sensors 10 are fixedly arranged on the horizontal cross beam 9, the Hall rotation speed sensors 10 are parallel to the supporting main board 6, and the Hall rotation speed sensors 10 are fixedly connected with the upper horizontal cross beam 9 and the lower horizontal cross beam 9 through two nuts.
The supporting main board 6 is formed by casting stainless steel metal materials at one time.
The axis of the transmission rotating shaft 11 is horizontally arranged along the front and the back, and two ends of the transmission rotating shaft 11 are respectively connected inside the stepped grooves of the two support main boards 6 through bearings in a rotating mode. The transmission rotating shaft 11 is of a stepped shaft structure and comprises a middle transmission shaft section 12, two detection shaft sections 13 on two sides and two fixing shaft sections 14 on the outermost side, wherein the two detection shaft sections 13 are respectively and fixedly arranged at end faces of two ends of the transmission shaft section 12, the two fixing shaft sections 14 are respectively and fixedly arranged at end faces of one side, far away from the transmission shaft section 12, of the two detection shaft sections 13, the outer diameter of the transmission shaft section 12 is larger than that of the detection shaft section 13, and the outer diameter of the detection shaft section 13 is larger than that of the fixing shaft section 14. The two fixed shaft sections 14 are respectively and rotatably connected to the inside of the stepped grooves of the two support main plates 6 through bearings. Four circular array mounting holes are arranged on the outer cylindrical surface of each detection shaft section 13 and are arranged along the radial direction of the detection shaft section 13; a strong permanent magnet 15 is fixedly arranged in each mounting hole, and the magnetic poles of any two adjacent strong permanent magnets 15 positioned at one end outside the mounting hole are opposite; the outer side of the strong permanent magnet 15 is wrapped with an insulating rubber sleeve. A rubber sleeve is wrapped on the outer cylindrical surface of the transmission shaft section 12.
The two hall rotation speed sensors 10 are respectively located at the lower sides of the two groups of strong permanent magnets 15, and when the transmission rotating shaft 11 rotates, the hall rotation speed sensors 10 obtain the rotation speed N of the transmission rotating shaft 11 by detecting current pulse signals caused by magnetic pole changes of the corresponding group of strong permanent magnets 15.
Each supporting main board 6 is connected with a connecting auxiliary board 16, the lower end of the connecting auxiliary board 16 is provided with a circular through hole, one side end face of the upper end of the connecting auxiliary board 16 is provided with a step groove, and the middle part of the other side end face of the connecting auxiliary board 16 far away from the step groove is fixedly provided with a hanging table 17. The hanging table 17 comprises a main shaft section and a limiting ring, the main shaft section is of a round rod-shaped structure, the axis of the main shaft section is perpendicular to the connecting auxiliary plate 16, the outer cylindrical surface of the main shaft section is fixedly provided with the annular limiting ring, and the main shaft section outside the limiting ring is radially provided with a pin hole with two through ends.
The circular through hole at the lower end of the connection auxiliary plate 16 is sleeved outside the corresponding support stud 7 of the support main plate 6, the end part of the support stud 7 is in threaded connection with a nut, the connection auxiliary plate 16 is fixed through the nut, and a felt pad 8 is sleeved outside the support stud 7 between the nut and the connection auxiliary plate 16. The stepped grooves of the two connection sub-plates 16 are respectively located at one side facing each other, and the hanging tables 17 of the two connection sub-plates 16 are respectively located at one side facing away from each other.
The cleaning roller 18 comprises a supporting shaft 19, and two ends of the supporting shaft 19 are respectively and rotatably connected to the inside of the stepped grooves of the two connecting auxiliary plates 16 through bearings. The outer cylindrical surface of the support shaft 19 is wrapped with a sponge sleeve 20, and the outer side surface of the kelly 42 is cleaned by mutual rolling of the sponge sleeve 20 and the outer side surface of the kelly 42.
The second force application assembly 21 comprises a lower hinge seat 22, an upper hinge seat 23, a second cylinder 24, a second pull rod 25, a second spring 27 and an electromagnetic absorber 28.
The lower hinge seat 22 is fixedly arranged in the middle of the upper end surface of the bottom plate 1 along the front-rear direction, and is positioned on one side of the two fixing seats 4 away from the kelly 42. The upper hinge seat 23 is fixedly arranged between the middle parts of the upper horizontal cross beam 9 and the lower horizontal cross beam 9. The hinge axes of the upper hinge seat 23 and the lower hinge seat 22 are horizontally disposed along the front-rear direction.
The second cylinder 24 has a cylindrical structure with an open upper end, and the lower end of the second cylinder 24 is rotatably connected to the lower hinge base 22 through a pin and a nut. An electromagnetic absorber 28 is fixedly provided at the inner bottom surface of the second cylinder 24. The lower extreme of second pull rod 25 is pegged graft in the inside of second jar body 24, and second pull rod 25 includes the pull rod main part in the middle and the anticreep piece at upper and lower both ends, and the external diameter of pull rod main part is less than the external diameter of anticreep piece, and the anticreep piece of lower extreme is located the inside of the second body of rod, and the anticreep piece of upper end articulates with upside articulated seat 23 through round pin axle and nut mutually. A separating ring 26 is fixedly arranged in the middle of the inner wall of the second cylinder body 24, the separating ring 26 is sleeved on the outer side of the pull rod main body, the two anti-falling blocks are respectively positioned on the upper side and the lower side of the separating ring 26, and the inner diameter of the separating ring 26 is smaller than the outer diameter of the anti-falling blocks. The outer side of the pull rod main body above the separation ring 26 is sleeved with a second spring 27, and the upper end and the lower end of the second spring 27 are respectively fixedly connected with the anti-falling block at the upper end and the separation ring 26.
When the electromagnetic absorber 28 is in the electrified state, the electromagnetic absorber 28 has magnetic attraction, the electromagnetic absorber 28 and the anti-drop block at the lower end are attracted mutually, so that the second pull rod 25 is pulled downwards to the lowest point in the second cylinder 24, the second spring 27 is compressed by the anti-drop block at the upper end, the anti-drop block at the upper end pulls the horizontal cross beam 9, the supporting main plate 6 and the connecting auxiliary plate 16 to rotate in the direction away from the square drill rod 42, the supporting main plate 6 and the connecting auxiliary plate 16 are kept vertical, and the transmission rotating shaft 11 and the cleaning roller 18 are separated from the square drill rod 42.
When the electromagnetic attraction 28 is powered off, the electromagnetic attraction 28 loses the magnetic attraction and cannot attract the anti-falling blocks at the lower end mutually, the second spring 27 starts to rebound, the anti-falling blocks at the upper end start to rise, and the anti-falling blocks at the upper end pull the horizontal cross beam 9, the support main plate 6 and the connection auxiliary plate 16 to rotate towards the direction of the square drill rod 42 until the transmission rotating shaft 11 and the cleaning roller 18 are in contact with the square drill rod 42, and the continuous resilience force of the second spring 27 ensures that the transmission rotating shaft 11 and the cleaning roller 18 are in close contact with the square drill rod 42 all the time.
A power supply box 29 is fixedly arranged on the upper end face of the bottom plate 1 at the rear side of the lower hinge seat 22, and four corners of the power supply box 29 are fixedly connected with the bottom plate 1 through foot seats and screws. An information acquisition and transmission device 30 is fixedly arranged on the upper end face of the bottom plate 1 at the front side of the lower hinge seat 22, and four corners of the information acquisition and transmission device 30 are fixedly connected with the bottom plate 1 through foot seats and screws. The information acquisition and transmission device 30 and the electromagnetic absorber 28 are connected with the power supply box 29 through electric wires. The information acquisition and transmission device 30 is connected with the two hall rotation speed sensors 10 through data lines.
The bottom plate 1 is provided with a water retaining and enclosing plate 31, the water retaining and enclosing plate 31 is of a square box body structure, the lower side of the water retaining and enclosing plate 31 and one side facing the square drill rod 42 are kept open, and the lower end of the side wall of the water retaining and enclosing plate 31, which is far away from the square drill rod 42, is hinged with the bottom plate 1 through a plurality of hinges 32. When the water retaining and enclosing plate 31 rotates downwards to be in contact with the bottom plate 1, the second force application assembly 21, the supporting main plate 6, the connecting auxiliary plate 16, the transmission rotating shaft 11, the cleaning roller 18, the power supply box 29 and the information acquisition and emission device 30 are all positioned inside the water retaining and enclosing plate 31; when the water blocking board 31 rotates upwards to be far away from the bottom board 1, the second force application component 21, the supporting main board 6, the connecting auxiliary board 16, the transmission rotating shaft 11, the cleaning roller 18, the power supply box 29 and the information acquisition and emission device 30 are all positioned on the outer side of the water blocking board 31.
A group of fixing clamping blocks 33 are respectively arranged on the front side and the rear side of the upper end face of the bottom plate 1, when the water retaining coaming 31 rotates downwards to be in contact with the bottom plate 1, the front and the rear groups of fixing clamping blocks 33 are respectively arranged on the inner side and the outer side of the front side wall and the rear side wall of the water retaining coaming 31, and fixing bolts 34 respectively penetrate through the fixing clamping blocks 33 and the side walls of the water retaining coaming 31, so that the water retaining coaming 31 is fixed. After the fixing bolt 34 is pulled out, the water retaining coaming 31 can rotate.
The number of the first force application components 35 is two, the two first force application components 35 are symmetrically arranged on the front side and the rear side of the kelly 42 respectively, the first force application components 35 are horizontally arranged along the left-right direction, two ends of the first force application component 35 on the front side are respectively connected with the hanging tables 17 on the front sides of the left measuring assembly and the right measuring assembly, and two ends of the first force application component 35 on the rear side are respectively connected with the hanging tables 17 on the rear sides of the left measuring assembly and the right measuring assembly.
Each first force application assembly 35 comprises a first cylinder 36, two first tie rods 37, two first springs 38. The two ends of the first cylinder body 36 are respectively internally provided with an action groove, the action grooves are arranged along the axis of the first cylinder body 36, and the inner diameter of the outer opening of each action groove is smaller than the inner diameter of the inner wall of each action groove. A first pull rod 37 is inserted into each action groove, one end of the first pull rod 37 positioned in each action groove is fixedly provided with an anti-drop ring, and one end of the first pull rod 37 away from the action groove is fixedly provided with a fixing ring 39. The first spring 38 is sleeved on the outer side of the first pull rod 37 positioned in the action groove, and two ends of the first spring 38 are fixedly connected with the anti-drop ring and the inner wall of the outer opening of the action groove respectively.
The fixing rings 39 on the two first pull rods 37 of the first force application assembly 35 are respectively sleeved on the outer sides of the main shaft sections of the left hanging table 17 and the right hanging table 17, and a limiting bolt 40 is inserted into the pin holes of the main shaft sections of the hanging tables 17, so that the fixing rings 39 of the first pull rods 37 are connected with the hanging tables 17.
The first force application component 35 applies a real-time pulling force F1 to the driving rotating shafts 11 of the two measuring assemblies, the second force application component 21 applies a real-time pulling force F2 to the corresponding driving rotating shafts 11, the driving rotating shafts 11 and the outer side surfaces of the square drill rods 42 have a certain pressure F under the combined action of the F1 and the F2, so that the driving rotating shafts 11 are in close contact with the outer side surfaces of the square drill rods 42, the friction driving coefficient lambda is improved, and the phenomenon of slipping is avoided to influence the driving; and the transmission rotating shaft 11 and the square drill rod 42 are kept relatively static in the rotating process, and vibration generated by the square drill rod 42 in operation is absorbed by the first spring 38 and the second spring 27, so that the work is more stable.
The measuring device further comprises a central control platform 41, the central control platform 41 is positioned on the outer side of the geothermal well, and the central control platform 41 is in wireless connection with the information acquisition and transmission device 30.
The outer edge of the sponge sleeve 20 is serrated and made of polyurethane sponge material; the cleaning roller 18 is driven to slowly rotate in the axial straight drilling process of the kelly bar 42, and the sponge sleeve 20 cleans the surface mud of the kelly bar 42 so as to ensure the cleaning of the contact surface between the transmission rotating shaft 11 and the kelly bar 42 and prevent the slipping in the friction transmission process from affecting the speed measurement precision.
The invention provides a measurement method of a mechanical measurement device for the drilling speed of a middle-deep geothermal well, which comprises the following steps:
The first step: two measuring assemblies are symmetrically arranged on two sides of the square drill rod 42, and the bottom plates 1 of the two measuring assemblies are fixedly connected with the rotary table 2.
And a second step of: the posture of the kelly 42 is adjusted so that the transmission shafts 11 of the two measuring assemblies are respectively parallel to the outer sides of the left and right sides of the kelly 42. The electromagnetic absorbers 28 of the two measuring assemblies are powered off, and the two second force application assemblies 21 slowly push the transmission rotating shaft 11 to be in close contact with the outer side surface of the kelly 42 with the aid of manpower.
And a third step of: the two ends of the front and rear first force application components 35 are respectively connected with the hanging table 17 at the front side and the hanging table 17 at the rear side of the two measuring assemblies, and the cleaning rollers 18 and the transmission rotating shafts 11 of the two measuring assemblies are tightly contacted with the outer side surfaces at the left side and the right side of the kelly 42 by pulling generated by the first force application components 35. The hall rotation speed sensor 10 is started, and meanwhile, the water blocking coaming 31 is rotated downwards to be in contact with the bottom plate 1, and the water blocking coaming 31 is fixed through the fixing bolts 34.
Fourth step: during drilling operations, the left and right measurement assemblies rotate concentrically with the kelly 42 at the same speed. During the down-drilling process, the kelly 42 firstly drives the sponge sleeve 20 of the cleaning roller 18 to slowly rotate, and the outer side surface of the kelly 42 is cleaned through the sponge sleeve 20; then the transmission rotating shaft 11 is driven to rotate through friction transmission, the Hall rotating speed sensor 10 obtains the rotating speed N of the transmission rotating shaft 11 by detecting current pulse signals caused by magnetic pole changes of a corresponding group of strong permanent magnets 15, the Hall rotating speed sensor 10 transmits the rotating speed N of the transmission rotating shaft 11 to the information acquisition and transmission equipment 30 through a data line, the information acquisition and transmission equipment 30 transmits the acquired rotating speed N to the central control platform 41 in real time through wireless, and the acquired rotating speed N is substituted into a formulaFinally, the mechanical feed speed V of the kelly 42 is calculated.
Fifth step: when the cleaning roller is connected with the base plate 1, the fixing bolt 34 is pulled out, the water retaining coaming 31 is rotated in a direction away from the base plate 1, the Hall rotation speed sensor 10 is closed, the electromagnetic absorber 28 is started, and the cleaning roller 18, the transmission rotating shaft 11 and the kelly 42 are separated. Pulling out the limiting plug pin 40, and detaching the two first force application components 35 from the left measuring assembly and the right measuring assembly; the support main plate 6 is rotated in a direction away from the kelly 42 until the anti-drop block at the lower end of the second tie rod 25 is attracted to and fixed with the electromagnetic absorber 28. The left and right measuring assemblies are detached from the turntable 2, and then the single connection operation is performed. According to the actual situation, it is determined whether the sponge sleeve 20, the rubber sleeve and the strong permanent magnet 15 need to be replaced.
Sixth step: after the joint is completed, the first step to the fourth step are repeated, and the mechanical feeding speed of the counter drill rod 42 is continuously detected in real time.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. A mechanical measuring device for drilling speed of a middle-deep geothermal well is characterized in that: the device comprises two measuring assemblies, wherein the two measuring assemblies are symmetrically arranged at the left side and the right side of a square drill rod (42), and are connected with each other through a first force application assembly (35); the measuring assembly comprises a bottom plate (1), a supporting main plate (6) and a connecting auxiliary plate (16), wherein the lower end of the supporting main plate (6) is hinged with the bottom plate (1), the lower end of the connecting auxiliary plate (16) is hinged with the upper end of the supporting main plate (6), a transmission rotating shaft (11) is rotatably arranged at the upper end of the supporting main plate (6), a Hall rotating speed sensor (10) is further arranged on the supporting main plate (6), a cleaning roller (18) is rotatably arranged at the upper end of the connecting auxiliary plate (16), and a telescopic second force application assembly (21) is arranged between the supporting main plate (6) and the bottom plate (1); when the second force application component (21) is in an extending state, the transmission rotating shaft (11) and the cleaning roller (18) are contacted with the kelly bar (42).
2. The mechanical measurement device for drilling speed of a deep geothermal well according to claim 1, wherein: two front-back symmetrical fixing seats (4) are fixedly arranged in the middle of the upper end face of the bottom plate (1), each fixing seat (4) is provided with a supporting main plate (6), the lower ends of the supporting main plates (6) are hinged with the fixing seats (4), a horizontal cross beam (9) is fixedly arranged between the middle parts of the two supporting main plates (6), and two front-back symmetrical Hall rotation speed sensors (10) are fixedly arranged on the horizontal cross beam (9).
3. The mechanical measurement device for drilling speed of a deep geothermal well according to claim 2, wherein: the axis of the transmission rotating shaft (11) is horizontally arranged along the front and the back, and two ends of the transmission rotating shaft (11) are respectively connected with the upper ends of the two support main boards (6) in a rotating way; four circular array mounting holes are respectively formed in two ends of the transmission rotating shaft (11), one strong permanent magnet (15) is fixedly arranged in each mounting hole, and magnetic poles of any two adjacent strong permanent magnets (15) are opposite at one end of the outer side of each mounting hole; the two Hall rotation speed sensors (10) are respectively positioned at the lower sides of the two groups of strong permanent magnets (15).
4. The mechanical measurement device for drilling speed of a deep geothermal well according to claim 2, wherein: each supporting main board (6) is connected with a connecting auxiliary board (16), and the lower end of the connecting auxiliary board (16) is hinged with the upper end of the supporting main board (6); the cleaning roller (18) is rotatably arranged between the upper ends of the two connecting auxiliary plates (16); a hanging table (17) is fixedly arranged at the end surface of one side of the two connecting auxiliary plates (16) which are far away from each other.
5. The mechanical measurement device for drilling speed of a deep geothermal well according to claim 4, wherein: the cleaning roller (18) comprises a supporting shaft (19), two ends of the supporting shaft (19) are respectively connected to the upper ends of the two connecting auxiliary plates (16) in a rotating mode, and a sponge sleeve (20) wraps the outer cylindrical surface of the supporting shaft (19).
6. The mechanical measurement device for drilling speed of a deep geothermal well according to claim 2, wherein: the second force application assembly (21) comprises a lower hinge seat (22), an upper hinge seat (23), a second cylinder body (24), a second pull rod (25), a second spring (27) and an electromagnetic absorber (28); the lower hinge seat (22) is fixedly arranged in the middle of the upper end face of the bottom plate (1) along the front-back direction and is positioned at one side of the two fixing seats (4) away from the kelly bar (42); the upper hinging seat (23) is fixedly arranged in the middle of the horizontal cross beam (9); the second cylinder body (24) is of a cylindrical structure with an opening at the upper end, and the lower end of the second cylinder body (24) is rotatably connected to the lower hinge seat (22).
7. The mechanical measurement device for drilling speed of a deep geothermal well according to claim 6, wherein: an electromagnetic absorber (28) is fixedly arranged at the inner bottom surface of the second cylinder body (24); the lower end of the second pull rod (25) is inserted into the second cylinder body (24), the second pull rod (25) comprises a middle pull rod main body and anti-falling blocks at the upper end and the lower end, the anti-falling block at the lower end is positioned in the second rod body, and the anti-falling block at the upper end is hinged with the upper hinging seat (23); a separating ring (26) is fixedly arranged in the middle of the inner wall of the second cylinder body (24), the separating ring (26) is sleeved on the outer side of the pull rod main body, a second spring (27) is sleeved on the outer side of the pull rod main body above the separating ring (26), and the upper end and the lower end of the second spring (27) are fixedly connected with the anti-falling block at the upper end and the separating ring (26) respectively.
8. The mechanical measurement device for drilling speed of a deep geothermal well according to claim 7, wherein: the power supply box (29) is fixedly arranged at the upper end face of the bottom plate (1) at the rear side of the lower hinge seat (22), the information acquisition and transmission equipment (30) is fixedly arranged at the upper end face of the bottom plate (1) at the front side of the lower hinge seat (22), the information acquisition and transmission equipment (30) and the electromagnetic absorber (28) are connected with the power supply box (29) through electric wires, and the information acquisition and transmission equipment (30) is connected with the two Hall rotation speed sensors (10) through data wires.
9. The mechanical measurement device for drilling speed of a deep geothermal well according to claim 4, wherein: the number of the first force application components (35) is two, the two first force application components (35) are symmetrically arranged on the front side and the rear side of the kelly bar (42), the first force application components (35) are horizontally arranged along the left-right direction, two ends of the first force application components (35) on the front side are respectively connected with hanging tables (17) on the front sides of the left measuring assembly and the right measuring assembly, and two ends of the first force application components (35) on the rear side are respectively connected with hanging tables (17) on the rear sides of the left measuring assembly and the right measuring assembly.
10. The mechanical measurement device for drilling speed of a deep geothermal well according to claim 9, wherein: each first force application assembly (35) comprises a first cylinder body (36), two first pull rods (37) and two first springs (38); an action groove is respectively arranged in the two ends of the first cylinder body (36), a first pull rod (37) is inserted in each action groove, one end of the first pull rod (37) positioned in the action groove is fixedly provided with an anti-drop ring, and one end of the first pull rod (37) away from the action groove is fixedly provided with a fixing ring (39); the outer side of a first pull rod (37) positioned in the action groove is sleeved with a first spring (38), and two ends of the first spring (38) are fixedly connected with the anti-drop ring and the inner wall of an opening at the outer side of the action groove respectively; the fixed rings (39) on the two first pull rods (37) of the first force application component (35) are respectively sleeved on the left hanging table (17) and the right hanging table (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410436559.2A CN118030018A (en) | 2024-04-11 | 2024-04-11 | Mechanical measuring device for drilling speed of middle-deep geothermal well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410436559.2A CN118030018A (en) | 2024-04-11 | 2024-04-11 | Mechanical measuring device for drilling speed of middle-deep geothermal well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118030018A true CN118030018A (en) | 2024-05-14 |
Family
ID=90995317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410436559.2A Pending CN118030018A (en) | 2024-04-11 | 2024-04-11 | Mechanical measuring device for drilling speed of middle-deep geothermal well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118030018A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011230860A (en) * | 2010-04-23 | 2011-11-17 | Mitsubishi Electric Corp | Device for oiling of guide rail for elevator |
| CN102495233A (en) * | 2011-12-14 | 2012-06-13 | 中国矿业大学 | Device and method for detecting movement state of load-bearing steel wire rope |
| CN212583684U (en) * | 2020-04-21 | 2021-02-23 | 四川省华地建设工程有限责任公司 | Drilling follow-reading type footage meter counter |
| CN214733608U (en) * | 2020-11-19 | 2021-11-16 | 广东省特种设备检测研究院中山检测院 | Hall tester for speed limiter |
| CN214764927U (en) * | 2021-07-06 | 2021-11-19 | 湖南省港田新材料有限公司 | Kneading machine is used in silica gel production |
| CN116500293A (en) * | 2023-04-18 | 2023-07-28 | 浙江南方文旅科技股份有限公司 | Roller coaster speed measurement and deceleration control method |
-
2024
- 2024-04-11 CN CN202410436559.2A patent/CN118030018A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011230860A (en) * | 2010-04-23 | 2011-11-17 | Mitsubishi Electric Corp | Device for oiling of guide rail for elevator |
| CN102495233A (en) * | 2011-12-14 | 2012-06-13 | 中国矿业大学 | Device and method for detecting movement state of load-bearing steel wire rope |
| CN212583684U (en) * | 2020-04-21 | 2021-02-23 | 四川省华地建设工程有限责任公司 | Drilling follow-reading type footage meter counter |
| CN214733608U (en) * | 2020-11-19 | 2021-11-16 | 广东省特种设备检测研究院中山检测院 | Hall tester for speed limiter |
| CN214764927U (en) * | 2021-07-06 | 2021-11-19 | 湖南省港田新材料有限公司 | Kneading machine is used in silica gel production |
| CN116500293A (en) * | 2023-04-18 | 2023-07-28 | 浙江南方文旅科技股份有限公司 | Roller coaster speed measurement and deceleration control method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104020015A (en) | Ultrasonic drilling sampling testing experiment platform | |
| US7969150B2 (en) | Demagnetizer to eliminate residual magnetization of wellbore wall produced by nuclear magnetic resonance logs | |
| CN118030018A (en) | Mechanical measuring device for drilling speed of middle-deep geothermal well | |
| CN217582105U (en) | Geophysical prospecting seismometer well descending device | |
| CN116147819B (en) | Transverse residual stress detection equipment for seamless steel tube | |
| CN210858703U (en) | Geotechnical geology reconnaissance degree of depth measuring equipment | |
| CN218759696U (en) | Portable drilling device for geotechnical engineering investigation | |
| CN217927792U (en) | Municipal pipeline detection crawler self-adaptive to pipe diameter | |
| CN115015373A (en) | Magnetic attraction detection device for bridge U-rib weld defects | |
| CN111366400A (en) | Manual-automatic geological detection sampling device | |
| CN115712150A (en) | In-hole probing conduction device | |
| CN115655527A (en) | Geothermal detection device for geological exploration | |
| CN211692334U (en) | Geotechnical engineering investigation is with survey device | |
| CN214697680U (en) | Rock reconnaissance probing device that engineering design used | |
| CN219197232U (en) | Perforating device that can be used to geological survey | |
| CN210370472U (en) | Coal mine geological exploration drilling device | |
| CN220815562U (en) | Be used for geological survey geological prospecting equipment | |
| CN113982514B (en) | Downhole side wall sensor mounting device and mounting method | |
| CN218181112U (en) | Electric portable impact seismic source vehicle for shallow seismic exploration | |
| CN221053648U (en) | Horizontal well production logging instrument pushing device | |
| CN214138572U (en) | Micro-motion detection device for large-depth detection | |
| CN219795168U (en) | Connection structure of geological drilling tool | |
| CN217424781U (en) | Ecological environment geological survey soil sampling device | |
| CN213943505U (en) | Transmission device of roller ore washer | |
| CN211950310U (en) | Multifunctional geological drilling rig |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |