CN115653579B - Fixing device for stratum pressure rapid measuring instrument - Google Patents
Fixing device for stratum pressure rapid measuring instrument Download PDFInfo
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- CN115653579B CN115653579B CN202211373301.XA CN202211373301A CN115653579B CN 115653579 B CN115653579 B CN 115653579B CN 202211373301 A CN202211373301 A CN 202211373301A CN 115653579 B CN115653579 B CN 115653579B
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- 230000007246 mechanism Effects 0.000 claims abstract description 34
- 238000005553 drilling Methods 0.000 claims abstract description 33
- 238000001125 extrusion Methods 0.000 claims abstract description 25
- 239000002344 surface layer Substances 0.000 claims abstract description 11
- 238000001514 detection method Methods 0.000 claims abstract description 5
- 238000000926 separation method Methods 0.000 claims description 18
- 230000015572 biosynthetic process Effects 0.000 claims description 15
- 238000009423 ventilation Methods 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 9
- 239000006185 dispersion Substances 0.000 claims description 5
- 239000010410 layer Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000009530 blood pressure measurement Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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Abstract
The invention discloses a fixing device for a stratum pressure rapid measuring instrument, which comprises: the device comprises a ground surface layer, a fixing mechanism, a limiting and tightening mechanism and a drilling mechanism; drilling a well bore in the surface layer; the fixed mechanism is arranged in the well drilling hole and comprises a supporting rod, a fixed supporting block is arranged in the supporting rod, a lifting extrusion block is arranged below the fixed supporting block, a rotary driving screw is connected to the lifting extrusion block in a threaded manner, and a pressure measuring instrument is arranged on the supporting rod; the limiting and sticking mechanism is arranged on the supporting rod and comprises a connecting ring, and a plurality of clamping columns which are uniformly distributed are connected to the connecting ring; the drilling mechanism is arranged below the supporting rod and is used for cutting out a drilling hole. According to the invention, by arranging the corresponding mechanism of the stratum pressure measuring device, the measuring instrument can be fixed in the detection process, and the shaking condition is not easy to happen, so that the measuring instrument is not easy to damage, the measuring precision is not easy to reduce, and unnecessary trouble is reduced for a user.
Description
Technical Field
The invention belongs to the technical field of formation pressure measurement, and particularly relates to a fixing device for a rapid formation pressure measuring instrument.
Background
Formation pressure, i.e., formation pore pressure, refers to the pressure acting on the fluid within the formation pores. Only if the accurate stratum pressure is mastered, the well structure, the drilling fluid density, the wellhead device and the drilling construction measures can be effectively determined, and the method plays an important guiding role in the production working system and the fracturing design of the oil and gas well. With the continuous development of the oil and gas resource industry in China, most oil fields enter the middle and later stages of exploration and development, stratum conditions become more and more complex, and accurate stratum pressure can be obtained, so that the oil and gas well drilling success and the yield increase of the later-stage oil and gas well are important guarantees.
The traditional stratum pressure test is carried out by connecting a measuring instrument through a cable and then putting the stratum pressure test into a target depth. However, since the measuring fluid continuously flows, the measuring instrument can shake due to impact, and a fixing device for the measuring instrument is lacked in the prior art, so that the measuring instrument continuously shakes, the probability of damage of the measuring instrument is increased, the measuring precision is affected, the measuring error is caused, and unnecessary trouble is brought to a user.
Therefore, in order to solve the above-mentioned problems, it is necessary to provide a fixing device for a rapid formation pressure measuring instrument.
Disclosure of Invention
The invention aims to provide a fixing device for a rapid formation pressure measuring instrument, which is used for solving the problems that the conventional formation pressure measuring instrument is easy to shake, so that the measuring instrument is easy to damage and inaccurate in measurement.
In order to achieve the above object, an embodiment of the present invention provides the following technical solution:
A fixation device for a rapid formation pressure measurement instrument, comprising: the device comprises a ground surface layer, a fixing mechanism, a limiting and tightening mechanism and a drilling mechanism;
Drilling a well bore in the subsurface;
The fixing mechanism is arranged in the drilling hole and comprises a supporting rod, a fixed supporting block is arranged in the supporting rod, a lifting extrusion block is arranged below the fixed supporting block, a rotary driving screw is connected to the lifting extrusion block in a threaded manner, and a pressure measuring instrument is arranged on the supporting rod;
the limiting and attaching mechanism is arranged on the supporting rod and comprises a connecting ring, and a plurality of clamping columns which are uniformly distributed are connected to the connecting ring;
The drilling mechanism is arranged below the supporting rod and is used for cutting out a drilling hole, so that the pressure measuring instrument can conveniently detect the drilling hole.
Further, the fixed support block is provided with a ventilation cavity for introducing gas into the gas conveying groove, so that the gas can flow conveniently, the fixed support block is provided with an air pump for sucking outside air, the air pump is connected with a gas conveying pipe, and the gas conveying pipe is communicated with the ventilation cavity, so that the gas can be introduced into the ventilation cavity.
Further, a first motor is installed on one side of the fixed supporting block, which is close to the lifting extrusion block, and the first motor is fixedly connected with one end of the rotary driving screw rod, so that the rotary driving screw rod can be driven to rotate after the first motor is started, and then the lifting extrusion block is driven to lift and move, and power is provided for pushing the movement of the clamping column.
Further, install a plurality of spacing poles on the bracing piece, the cutting has a plurality of recess with spacing pole assorted on the lift extrusion piece, plays spacing effect to the lift extrusion piece, makes the difficult emergence of lift extrusion piece rotate, and then can drive the rise or the reduction of lift extrusion piece when rotatory drive screw.
Further, the supporting rods are provided with conveying air grooves and dispersing cavities, the conveying air grooves and the dispersing cavities are all used for conveying air, air flow is facilitated, and the conveying air grooves, the ventilation cavities and the dispersing cavities are all communicated.
Further, a plurality of expansion grooves are cut on the side wall of the dispersion cavity, a space is provided for the sliding of the separation sliding plate and the limit column, the separation sliding plate is arranged in the expansion grooves and used for supporting the limit column and driving the limit column to move in an expansion mode, and a reset spring is connected between the separation sliding plate and the support rod and used for pulling the separation sliding plate to retract, so that the separation sliding plate can pull the limit column to reset, and further the clamping hole is not blocked.
Further, one side of the separation sliding plate far away from the reset spring is connected with a limit column for being inserted into the clamping hole, so that the clamping column is not easy to retract, the friction force between the clamping column and the ground surface layer is not easy to reduce, and the effect of fixing the support rod is achieved.
Further, the support rod is provided with a plurality of evenly distributed holes, space is provided for inserting the clamping holes, the clamping columns are inserted into the holes, clamping holes matched with the limiting columns are formed in the clamping columns and used for clamping the limiting columns, the clamping columns are not easy to retract, and therefore friction between the clamping columns and the surface layer is not easy to reduce.
Further, the connecting ring is made of rubber, so that the connecting ring can deform, a certain elastic acting force is generated, and the clamping column is conveniently pulled to retract.
Further, the drilling mechanism comprises a second motor for driving the transmission supporting shaft to rotate so as to provide power for drilling, the second motor is fixed at the bottom of the supporting rod, the second motor is connected with the transmission supporting shaft and used for supporting and driving the rotating teeth to rotate, and the other end of the transmission supporting shaft is connected with the rotating teeth and used for drilling.
Compared with the prior art, the invention has the following advantages:
According to the invention, by arranging the corresponding mechanism of the stratum pressure measuring device, the measuring instrument can be fixed in the detection process, and the shaking condition is not easy to happen, so that the measuring instrument is not easy to damage, the measuring precision is not easy to reduce, and unnecessary trouble is reduced for a user.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings may be obtained according to the drawings without inventive effort to those skilled in the art.
FIG. 1 is a schematic cross-sectional view of a fixing device for a rapid formation pressure measuring instrument according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the structure of FIG. 1 at A;
FIG. 3 is a schematic view of the structure of FIG. 1 at B;
fig. 4 is a perspective view of a fixing device for a rapid formation pressure measuring instrument according to an embodiment of the present invention.
In the figure: 1. ground cover, 101, well bore, 2, fixed mechanism, 201, support bar, 202, fixed support block, 203, lifting extrusion block, 204, rotary drive screw, 205, vent chamber, 206, air pump, 207, air supply pipe, 208, first motor, 209, stop bar, 210, air supply tank, 211, dispersion chamber, 212, separation slide, 213, return spring, 214, stop post, 3, stop tightening mechanism, 301, connecting ring, 302, clamping post, 303, clamping hole, 4, drilling mechanism, 401, second motor, 402, drive support shaft, 403, rotating teeth.
Detailed Description
The present invention will be described in detail below with reference to the embodiments shown in the drawings. The embodiments are not intended to limit the invention, but structural, methodological or functional modifications from the embodiments are within the scope of the invention.
The invention discloses a fixing device for a stratum pressure rapid measuring instrument, which is shown in fig. 1-4 and comprises: the device comprises a ground surface layer 1, a fixing mechanism 2, a limiting and tightening mechanism 3 and a drilling mechanism 4.
Referring to fig. 1-4, a well bore 101 is drilled on a ground surface layer 1, a solution space is provided for detection, a fixing mechanism 2 is arranged in the well bore 101, the fixing mechanism 2 comprises a supporting rod 201 for supporting a measuring instrument and conveniently driving the measuring instrument to move, and a fixing supporting block 202 is arranged in the supporting rod 201 and used for fixing a first motor 208 and an air pump 206, so that the air pump 206 and the first motor 208 are not easy to shake or fall off.
Referring to fig. 1-2, a lifting extrusion block 203 is arranged below the fixed supporting block 202 and is used for pushing the plurality of clamping columns 302 to move, so that the clamping columns 302 can be tightly attached to the side wall of the drilling hole 101, the supporting rod 201 is not easy to move, the lifting extrusion block 203 is in threaded connection with a rotary driving screw 204 and is used for driving the lifting extrusion block 203 to move in a lifting manner, and a pressure measuring instrument is arranged on the supporting rod 201.
Referring to fig. 1-2, a ventilation cavity 205 is cut on the fixed support block 202, and is used for introducing gas into the ventilation groove 210, so that the gas can flow conveniently, an air pump 206 is installed on the fixed support block 202, and is used for sucking external air, a conveying air pipe 207 is connected to the air pump 206, and the conveying air pipe 207 is communicated with the ventilation cavity 205, so that the gas can be introduced into the ventilation cavity 205.
Referring to fig. 1-3, a first motor 208 is installed on a side of the fixed support block 202, which is close to the lifting extrusion block 203, and the first motor 208 is fixedly connected with one end of the rotary driving screw 204, so that the first motor 208 can drive the rotary driving screw 204 to rotate after being started, and then drive the lifting extrusion block 203 to lift, so as to provide power for pushing the movement of the clamping column 302.
Referring to fig. 1-3, a plurality of limit bars 209 are installed on the support rod 201, a plurality of grooves matched with the limit bars 209 are cut on the lifting extrusion block 203, so that the lifting extrusion block 203 is limited, the lifting extrusion block 203 is not easy to rotate, and the lifting extrusion block 203 can be driven to rise or fall when the rotation driving screw 204 rotates.
Wherein, the supporting rod 201 is provided with a gas conveying groove 210 and a dispersing cavity 211, which are used for conveying gas, facilitating the flow of air, and the gas conveying groove 210 is communicated with the ventilation cavity 205 and the dispersing cavity 211.
Referring to fig. 1-3, a plurality of telescopic slots are cut on the side wall of the dispersion cavity 211 to provide a space for the sliding of the separation slide plate 212 and the limit post 214, the separation slide plate 212 is arranged in the telescopic slots and used for supporting the limit post 214 and driving the limit post 214 to move in a telescopic manner, and a reset spring 213 is connected between the separation slide plate 212 and the support rod 201 and used for pulling the separation slide plate 212 to retract, so that the separation slide plate 212 can pull the limit post 214 to reset and further the clamping hole 303 is not clamped any more.
Referring to fig. 1-3, a limiting post 214 is connected to a side of the separation slide plate 212 away from the return spring 213 and is used for being inserted into the clamping hole 303, so that the clamping post 302 is not easy to retract, and further friction between the clamping post 302 and the ground surface layer 1 is not easy to reduce, thereby achieving the function of fixing the support rod 201.
Referring to fig. 1-4, the spacing attaching mechanism 3 is disposed on the supporting rod 201, where the spacing attaching mechanism 3 includes a connecting ring 301 for pushing the plurality of clamping columns 302 to move, so that the clamping columns 302 can be attached to the side wall of the well bore 101, and the connecting ring 301 is connected with a plurality of uniformly distributed clamping columns 302 for attaching to the side wall of the well bore 101, so that the supporting rod 201 is not easy to move again through larger friction resistance, and further achieving the fixing effect.
Referring to fig. 1-3, a plurality of holes are cut in the supporting rod 201 to provide space for inserting the clamping holes 303, the clamping columns 302 are inserted into the holes, and the clamping columns 302 are cut with clamping holes 303 matched with the limiting columns 214 for clamping the limiting columns 214, so that the clamping columns 302 are not easy to retract, and friction between the clamping columns 302 and the ground surface layer 1 is not easy to reduce.
Wherein, the material of the connecting ring 301 is rubber, so that the connecting ring 301 can be deformed, thereby generating a certain elastic force, and facilitating the pulling and retraction of the clamping column 302.
Referring to fig. 1-4, the drilling mechanism 4 is arranged below the supporting rod 201 and is used for drilling the well bore 101, so that the pressure gauge is convenient to detect, the drilling mechanism 4 comprises a second motor 401 and is used for driving a transmission supporting shaft 402 to rotate and providing power for drilling, the second motor 401 is fixed at the bottom of the supporting rod 201, the second motor 401 is connected with the transmission supporting shaft 402 and is used for supporting and driving a rotating tooth 403 to rotate, and the other end of the transmission supporting shaft 402 is connected with the rotating tooth 403 and is used for drilling.
When the drilling machine is specifically used, the second motor 401 is started, so that the second motor 401 drives the transmission support shaft 402 and the rotary teeth 403 to rotate, drilling can be performed when the rotary teeth 403 rotate, then the support rod 201 and the measuring instrument are driven to descend, and when the drilling reaches a designated position to be detected, the first motor 208 and the air pump 206 are started;
After the first motor 208 is started, the rotary driving screw 204 is driven to rotate, the rotary driving screw 204 drives the lifting extrusion block 203 to descend, the rotary driving screw 204 extrudes the connecting ring 301 in the descending process, and the connecting ring 301 pushes the clamping hole 303 to move, so that the connecting ring 301 can be tightly attached to the side wall of the drilling hole 101, friction force is improved, and the supporting rod 201 is not easy to move any more;
And the air pump 206 is inflated to the ventilation cavity 205 through the air conveying pipe 207 after being started, and the air enters the dispersion cavity 211 through the air conveying groove 210 and is redispersed into the telescopic groove, and the separation sliding plate 212 is gradually pushed along with the air, so that the separation sliding plate 212 can push the limit post 214 to move, and the limit post 214 is inserted into the clamping hole 303, so that the clamping post 302 is not easy to retract, the friction between the clamping post 302 and the ground surface layer 1 is not easy to reduce, and the supporting rod 201 is not easy to move again, thereby achieving the function of fixing the measuring instrument.
The technical scheme shows that the invention has the following beneficial effects:
According to the invention, by arranging the corresponding mechanism of the stratum pressure measuring device, the measuring instrument can be fixed in the detection process, and the shaking condition is not easy to happen, so that the measuring instrument is not easy to damage, the measuring precision is not easy to reduce, and unnecessary trouble is reduced for a user.
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.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment contains only one independent technical solution, and that such description is provided for clarity only, and that the technical solutions of the embodiments may be appropriately combined to form other embodiments that will be understood by those skilled in the art.
Claims (4)
1. A fixing device for a rapid formation pressure measuring instrument, comprising:
-a subsurface layer (1), on which surface layer (1) a well bore (101) is drilled;
The fixing mechanism (2) is arranged in the drilling hole (101), the fixing mechanism (2) comprises a supporting rod (201), a fixed supporting block (202) is arranged in the supporting rod (201), a lifting extrusion block (203) is arranged below the fixed supporting block (202), a rotary driving screw (204) is connected to the lifting extrusion block (203) in a threaded mode, and a pressure measuring instrument is arranged on the supporting rod (201);
The limiting and attaching mechanism (3) is arranged on the supporting rod (201), the limiting and attaching mechanism (3) comprises a connecting ring (301), and a plurality of clamping columns (302) which are uniformly distributed are connected to the connecting ring (301);
The drilling mechanism (4) is arranged below the supporting rod (201) and is used for cutting out a drilling hole (101) so as to facilitate detection of the pressure measuring instrument;
The fixed support block (202) is provided with a ventilation cavity (205) in an cutting mode, the fixed support block (202) is provided with an air pump (206), the air pump (206) is connected with a conveying air pipe (207), and the conveying air pipe (207) is communicated with the ventilation cavity (205);
a first motor (208) is arranged on one side of the fixed supporting block (202) close to the lifting extrusion block (203), and the first motor (208) is fixedly connected with one end of the rotary driving screw (204);
A conveying air groove (210) and a dispersing cavity (211) are cut on the supporting rod (201), and the conveying air groove (210) is communicated with the ventilation cavity (205) and the dispersing cavity (211);
a plurality of telescopic grooves are cut on the side wall of the dispersion cavity (211), a separation sliding plate (212) is arranged in each telescopic groove, and a reset spring (213) is connected between each separation sliding plate (212) and each supporting rod (201);
one side of the separation sliding plate (212) far away from the reset spring (213) is connected with a limit column (214);
a plurality of holes which are uniformly distributed are drilled on the supporting rod (201), the clamping columns (302) are inserted into the holes, and clamping holes (303) matched with the limiting columns (214) are drilled on the clamping columns (302).
2. The fixing device for the rapid formation pressure measuring instrument according to claim 1, wherein a plurality of limit bars (209) are installed on the supporting rod (201), and a plurality of grooves matched with the limit bars (209) are cut on the lifting extrusion block (203).
3. The device for fixing the rapid formation pressure measuring instrument according to claim 1, wherein the connecting ring (301) is made of rubber.
4. The fixing device for the rapid formation pressure measuring instrument according to claim 1, wherein the drilling mechanism (4) comprises a second motor (401), the second motor (401) is fixed at the bottom of the supporting rod (201), a transmission supporting shaft (402) is connected to the second motor (401), and a rotating tooth (403) is connected to the other end of the transmission supporting shaft (402).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211373301.XA CN115653579B (en) | 2022-11-04 | 2022-11-04 | Fixing device for stratum pressure rapid measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211373301.XA CN115653579B (en) | 2022-11-04 | 2022-11-04 | Fixing device for stratum pressure rapid measuring instrument |
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| Publication Number | Publication Date |
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| CN115653579A CN115653579A (en) | 2023-01-31 |
| CN115653579B true CN115653579B (en) | 2024-05-14 |
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| CN202211373301.XA Active CN115653579B (en) | 2022-11-04 | 2022-11-04 | Fixing device for stratum pressure rapid measuring instrument |
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| 提高柱塞总成密封效果的措施;王海云;闵凡兵;崔晓燕;王克强;中国石油大学胜利学院学报;20121231;26(004);22-24 * |
| 流-固-化-热耦合的陆相页岩井壁稳定力学模型及应用;张宇;赵林;王炳红;张娜;程万;特种油气藏;20190630;26(003);163-168 * |
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