CN211448664U - Novel underground pressure determining device for tight oil reservoir - Google Patents
Novel underground pressure determining device for tight oil reservoir Download PDFInfo
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- CN211448664U CN211448664U CN202020151673.8U CN202020151673U CN211448664U CN 211448664 U CN211448664 U CN 211448664U CN 202020151673 U CN202020151673 U CN 202020151673U CN 211448664 U CN211448664 U CN 211448664U
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- connecting rod
- pressure
- oil reservoir
- pipe
- rotating shaft
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- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 238000001514 detection method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 206010066054 Dysmorphism Diseases 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
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- 238000005381 potential energy Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Abstract
The utility model discloses a novel compact oil reservoir underground pressure determining device, the structure of which comprises a connecting pipe, a pressure generating pipe and a pressure display, the utility model discloses a novel compact oil reservoir underground pressure determining device, through arranging the pressure generating pipe at the bottom of the device, when in use, the piston plate inside the pressure generating pipe is forced to push a sliding connecting rod to move upwards through a pushing connecting rod, and the connecting pipe is arranged outside the sliding connecting rod to wrap the outside of the sliding connecting rod, thereby avoiding the sliding connecting rod from being influenced by external factors to lift, increasing the accuracy degree of pressure test, and arranging the pressure display, a rack is driven to move by the sliding connecting rod through the pushing connecting rod, the rack moves to drive a gear to rotate, the gear drives a pointer to rotate through a fixed rotating shaft at the circle center, and the pressure display is carried out by adopting the indicating mode of pointer rotation, the display effect is visual, and the pressure can be conveniently detected and determined.
Description
Technical Field
The utility model relates to an underground pressure test technical field, concretely relates to novel fine and close oil reservoir underground pressure confirms device.
Background
The natural cracks of the compact low-permeability oil reservoir generally develop, the rapid rising speed of water content of an oil well caused by the cracks, even violent flooding, is a main factor influencing the water injection development effect of the compact low-permeability oil reservoir, the reduction of the rising speed of the water content of the oil well is a key for improving the water injection development effect of the compact low-permeability oil reservoir, the key of the method is how to control the water injection pressure, the liquid pressure at a fixed position is measured by an underground pressure determining device in the prior art, the water injection quantity of the oil reservoir is further controlled, and the smooth operation of the water injection development of the oil reservoir is.
But the underground pressure determination device of prior art promotes the reaction rod through piston board atress extrusion spring and goes up and down, through having set up the scale on the reaction rod, confirms pressure through the lift of observing the reaction rod, nevertheless because the reaction rod exposes, leads to easily that the reaction rod receives external factor to influence its lift, and then influences the test accuracy of pressure, and the pressure demonstration is not directly perceived enough.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In order to overcome the prior art not enough, present a novel fine and close oil reservoir underground pressure and confirm device now, solved prior art and confirmed pressure through the lift of observing the reaction pole, nevertheless because the reaction pole is exposed, lead to easily that the reaction pole receives its lift of external factor influence, and then the test accuracy of influence pressure, and the not visual problem of pressure display inadequately.
(II) technical scheme
The utility model discloses a following technical scheme realizes: the utility model provides a novel underground pressure determining device for a compact oil reservoir, which comprises a connecting pipe and a pressure display, the bottom end of the connecting pipe is welded with the pressure generating pipe, the top end of the connecting pipe is locked with the pressure display through a bolt, the pressure generating pipe consists of an outer pipe, a sliding connecting rod, a movable rotating shaft, a first pushing connecting rod and a piston plate, the bottom end of the sliding connecting rod extends into the outer tube, two first pushing connecting rods are arranged, one end of each first pushing connecting rod is communicated with the bottom end of the sliding connecting rod through a movable rotating shaft to concentrically rotate, the other end of each first pushing connecting rod is rotatably connected with the piston plate through a rotating shaft, and two piston plates are respectively embedded into the left side and the right side of the inside of the outer tube, the top end of the sliding connecting rod penetrates through the connecting tube and extends into the pressure display, and the middle part of the top end of the outer tube is welded with the connecting tube.
Further, the pressure display comprises a shell, a second pushing connecting rod, a rack, a sliding groove, a limiting block and a rotating mechanism, wherein the top end of the sliding connecting rod extends into the shell, the top end of the sliding connecting rod is rotatably connected with the second pushing connecting rod through a rotating shaft, the top end of the second pushing connecting rod is rotatably connected with the left side of the bottom end of the rack through rotation, the sliding groove is transversely formed in the rack, the limiting block is embedded in the sliding groove, the top end of the rack is meshed with the rotating mechanism, the rear end of the rotating mechanism is mutually locked with the shell through a bolt, and the bottom end of the shell is mutually locked with a connecting pipe through a bolt.
Furthermore, the rotating mechanism comprises a gear, a fixed rotating shaft, a pointer, a clockwork spring and a shaft seat, the circle center of the gear is mutually inserted into the fixed rotating shaft, the front end of the fixed rotating shaft is mutually locked with the pointer through a bolt, the clockwork spring is fixedly arranged at the rear end of the outer side of the fixed rotating shaft, the rear end of the fixed rotating shaft is mutually inserted into the circle center of the shaft seat, and the rear end of the shaft seat is mutually locked with the shell through a bolt.
Further, the middle part of the sliding connecting rod is in a circular tube shape, the surface of the sliding connecting rod is smooth, and the inner wall of the connecting pipe is attached to the sliding connecting rod.
Furthermore, the front end of the shell is provided with pressure value scales, and the position pointed by the pointer when the clockwork spring extends is taken as a starting point.
Furthermore, the surface of the limiting block is smooth, and the inner wall of the sliding groove is attached to the limiting block.
Furthermore, the second pushing connecting rod is inclined, and when the clockwork spring extends, the second pushing connecting rod is inclined at an angle of forty-five degrees from top to bottom to the right.
Further, when the clockwork spring extends, the first pushing connecting rod is inclined outwards at an angle of forty-five degrees from top to bottom.
Furthermore, the pointer and the fixed rotating shaft are made of stainless steel.
Furthermore, the rack and the gear are both made of hard alloy materials.
(III) advantageous effects
Compared with the prior art, the utility model, following beneficial effect has:
the method has the advantages that: the utility model discloses a set up a novel fine and close oil reservoir underground pressure confirms device, through set up pressure production pipe in the device bottom, when using, promote the slip connecting rod through the inside piston board atress of pressure production pipe and shift up through promoting the connecting rod, and set up the connecting pipe in the slip connecting rod outside, wrap up the slip connecting rod outside, avoid the slip connecting rod to receive its lift of external factor influence, increase the accurate degree to pressure test.
The advantages are two: the utility model discloses a set up pressure display, when carrying out pressure test, the intraductal slip connecting rod of pressure production by the bottom drives the rack through promoting the connecting rod and removes, and the rack removes and drives the gear and rotate, and the gear drives the pointer through the fixed rotating shaft of centre of a circle department and rotates, adopts the rotatory indicating mode of pointer to carry out pressure display, and the display effect is directly perceived, is convenient for detect pressure and confirms.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a sectional view of the inner structure of the pressure generating pipe of the present invention;
fig. 3 is a cross-sectional view of the internal structure of the pressure display of the present invention;
fig. 4 is a left side view of the structure of the rotating mechanism of the present invention;
fig. 5 is a schematic diagram of the pointer structure of the present invention.
In the figure: the pressure display device comprises a connecting pipe-1, a pressure generating pipe-2, a pressure display-3, an outer pipe-21, a sliding connecting rod-22, a movable rotating shaft-23, a first pushing connecting rod-24, a piston plate-25, a shell-31, a second pushing connecting rod-32, a rack-33, a sliding groove-34, a limiting block-35, a rotating mechanism-36, a gear-361, a fixed rotating shaft-362, a pointer-363, a clockwork spring-364 and a shaft seat-365.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the present invention provides a novel underground pressure determining device for a tight oil reservoir: including connecting pipe 1 and pressure display 3, 1 bottom of connecting pipe and pressure produce the mutual welding of pipe 2, 1 top of connecting pipe is through bolt and pressure display 3 lock solid each other, pressure produces pipe 2 by outer tube 21, sliding connecting rod 22, activity pivot 23, first promotion connecting rod 24 and piston plate 25 are constituteed, sliding connecting rod 22 bottom stretches into in the outer tube 21, first promotion connecting rod 24 is provided with two, first promotion connecting rod 24 one end is led to through activity pivot 23 and sliding connecting rod 22 bottom and is gone into concentric rotation, first promotion connecting rod 24 other end carries out rotation connection through pivot and piston plate 25, and two piston plates 25 imbed respectively to the inside left and right sides of outer tube 21, sliding connecting rod 22 top runs through connecting pipe 1 and stretches into in pressure display 3, outer tube 21 top middle part and connecting pipe 1 are welded each other.
The pressure display 3 is composed of a shell 31, a second pushing connecting rod 32, a rack 33, a sliding groove 34, a limiting block 35 and a rotating mechanism 36, wherein the top end of the sliding connecting rod 22 extends into the shell 31, the top end of the sliding connecting rod 22 is rotatably connected with the second pushing connecting rod 32 through a rotating shaft, the top end of the second pushing connecting rod 32 is rotatably connected with the left side of the bottom end of the rack 33 through rotation, the sliding groove 34 is transversely formed in the rack 33, the limiting block 35 is embedded in the sliding groove 34, the top end of the rack 33 is meshed with the rotating mechanism 36, the rear end of the rotating mechanism 36 is mutually locked with the shell 31 through a bolt, and the bottom end of the shell 31 is mutually locked with the connecting pipe 1 through a bolt.
The rotating mechanism 36 comprises a gear 361, a fixed rotating shaft 362, a pointer 363, a clockwork spring 364 and a shaft seat 365, the center of the circle of the gear 361 is connected with the fixed rotating shaft 362 in an inserting manner, the front end of the fixed rotating shaft 362 is locked with the pointer 363 through a bolt, the clockwork spring 364 is fixed at the rear end of the outer side of the fixed rotating shaft 362, the rear end of the fixed rotating shaft 362 is connected with the center of the circle of the shaft seat 365 in an inserting manner, and the rear end of the shaft seat 365 is locked with the housing 31 through a bolt.
The middle part of the sliding connecting rod 22 is in a circular tube shape, the surface of the sliding connecting rod is smooth, the inner wall of the connecting pipe 1 is attached to the sliding connecting rod 22, and the moving track of the sliding connecting rod 22 is limited.
The front end of the housing 31 is provided with pressure value scales, and the position pointed by the pointer 363 when the spiral spring 364 extends is taken as a starting point, so that the pointer 363 performs pressure indication on the pressure value scales at the front end of the housing 31.
Wherein, stopper 35 surface is smooth form, and spout 34 inner wall and stopper 35 laminating restrict the removal orbit of rack 33 through stopper 35.
The second pushing link 32 is inclined, and when the spiral spring 364 extends, the second pushing link 32 is inclined at an angle of forty-five degrees from top to bottom to right, so that the sliding link 22 pushes the second pushing link 32 upward to generate a leftward pushing force on the second pushing link 32.
When the clockwork spring 364 extends, the first pushing link 24 is inclined at an angle of forty-five degrees from top to bottom, so that the piston plate 35 pushes the second pushing link 32 when pressed, and the second pushing link 32 generates an upward pushing force.
The pointer 363 and the fixed rotating shaft 362 are made of stainless steel, are high in hardness, not prone to damage and not prone to rust.
The rack 33 and the gear 361 are made of hard alloy, so that the hardness is high, the wear is not easy to occur, and the service life of the rack is prolonged.
The spring 364 named as a coil spring in this patent refers to a spring with a spiral line in one plane, the spring is a spiral spring made of a material wound into a plane, one end of the spring is fixed, and the other end of the spring is subjected to bending moment after acting torque to generate bending elastic deformation, so that the spring is twisted on the plane of the spring.
The working principle is as follows:
firstly, the method comprises the following steps: when the pressure detection of the compact oil reservoir is needed to be confirmed, the pressure generation pipe 2 of the device only needs to be extended into the compact low-permeability oil reservoir needing the pressure detection, the compact low-permeability oil reservoir extrudes the piston plates 25 at the left side and the right side of the pressure generation pipe 2, so that the piston plates 25 are inwards contracted along the inner wall of the outer pipe 21, when the clockwork spring 364 extends, the first pushing connecting rod 24 is inclined from top to bottom outwards at a forty-five degree angle, so that the piston plates 35 push the second pushing connecting rod 32 when being pressed, the second pushing connecting rod 32 generates an upwards pushing acting force, the sliding connecting rod 22 is upwards pushed through the second pushing connecting rod 32, and as the middle part of the sliding connecting rod 22 is in a round pipe shape and the surface is in a smooth shape, and the inner wall of the connecting pipe 1 is attached to the sliding connecting rod 22, the moving track of the sliding connecting rod 22 is limited;
secondly, the method comprises the following steps: the sliding connecting rod 22 vertically pushes the second pushing connecting rod 32 in the pressure display 3 upwards, because the second pushing connecting rod 32 is inclined, and the second pushing connecting rod 32 is inclined at an angle of forty-five degrees from top to bottom when the spiral spring 364 extends, the sliding connecting rod 22 drives the rack 33 to slide leftwards through the second pushing connecting rod 32 when pushing the second pushing connecting rod 32 upwards, because the chute 34 in the rack 33 is limited by the movement of the limiting block 35, the rack 33 moves leftwards linearly, the rack 33 drives the gear 361 to rotate clockwise when moving leftwards, the gear 361 extrudes the spiral spring 364 through the fixed rotating shaft 362 at the center of the circle and drives the pointer 363 to rotate, the pressure display is performed by adopting the pointer rotation indicating mode, the display effect is intuitive, and the detection and determination of the pressure are convenient;
thirdly, the method comprises the following steps: after the pressure is confirmed, the pressure generation tube 2 at the bottom of the apparatus is removed, and the pointer 363 and the piston plate 25 are reset by generating elastic potential energy by the spring 364.
The basic principle and the main characteristics of the utility model and the advantages of the utility model have been shown and described above, and the utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the record of the description with the drawing, and the concrete connection mode of each part all adopts conventional means such as ripe bolt rivet among the prior art, welding, and machinery, part and equipment all adopt prior art, conventional model, and conventional connection mode in the prior art is adopted in addition to circuit connection, and the details are not repeated here.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. 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 description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The novel underground pressure determining device for the tight oil reservoir comprises a connecting pipe (1), wherein the bottom end of the connecting pipe (1) is welded with a pressure generating pipe (2);
the method is characterized in that: the pressure display device is characterized by further comprising a pressure display (3), the top end of the connecting pipe (1) is locked with the pressure display (3) through a bolt, the pressure generating pipe (2) is composed of an outer pipe (21), two sliding connecting rods (22), two movable rotating shafts (23), a first pushing connecting rod (24) and piston plates (25), the bottom end of each sliding connecting rod (22) extends into the outer pipe (21), one end of each first pushing connecting rod (24) is communicated with the bottom end of the corresponding sliding connecting rod (22) through the corresponding movable rotating shaft (23) to rotate concentrically, the other end of each first pushing connecting rod (24) is rotatably connected with the corresponding piston plate (25) through the corresponding rotating shaft, the two piston plates (25) are embedded into the left side and the right side inside the outer pipe (21) respectively, the top end of each sliding connecting rod (22) penetrates through the connecting pipe (1) and extends into the pressure display (3), the middle part of the top end of the outer pipe (21) is welded with the connecting pipe (1).
2. The device for determining the underground pressure of the compact oil reservoir according to claim 1, wherein: pressure display (3) are by shell (31), second promotion connecting rod (32), rack (33), spout (34), stopper (35) and slewing mechanism (36) are constituteed, slip connecting rod (22) top is stretched into in shell (31), and slip connecting rod (22) top is rotated through pivot and second promotion connecting rod (32) and is connected, second promotion connecting rod (32) top is rotated through rotation and rack (33) bottom left side and is connected, spout (34) have transversely been seted up in rack (33) inside, the inside embedding of spout (34) has stopper (35), rack (33) top and slewing mechanism (36) intermeshing, slewing mechanism (36) rear end is through bolt and shell (31) looks lock solid, shell (31) bottom is through bolt and connecting pipe (1) looks lock solid.
3. The device for determining the underground pressure of the compact oil reservoir as claimed in claim 2, wherein: the rotating mechanism (36) is composed of a gear (361), a fixed rotating shaft (362), a pointer (363), a clockwork spring (364) and a shaft seat (365), the circle center of the gear (361) is connected with the fixed rotating shaft (362) in an inserting mode, the front end of the fixed rotating shaft (362) is locked with the pointer (363) through a bolt, the clockwork spring (364) is fixed to the rear end of the outer side of the fixed rotating shaft (362), the rear end of the fixed rotating shaft (362) is connected with the circle center of the shaft seat (365) in an inserting mode, and the rear end of the shaft seat (365) is locked with the shell (31) through a bolt.
4. The device for determining the underground pressure of the compact oil reservoir according to claim 1, wherein: the middle part of the sliding connecting rod (22) is in a circular tube shape, the surface of the sliding connecting rod is smooth, and the inner wall of the connecting pipe (1) is attached to the sliding connecting rod (22).
5. The device for determining the underground pressure of the compact oil reservoir as claimed in claim 2, wherein: the front end of the shell (31) is provided with pressure value scales, and the position pointed by the pointer (363) when the spring (364) extends is taken as a starting point.
6. The device for determining the underground pressure of the compact oil reservoir as claimed in claim 2, wherein: the surface of the limiting block (35) is smooth, and the inner wall of the sliding groove (34) is attached to the limiting block (35).
7. The device for determining the underground pressure of the compact oil reservoir as claimed in claim 2, wherein: the second pushing connecting rod (32) is inclined, and the second pushing connecting rod (32) is inclined at an angle of forty-five degrees from top to bottom to right when the clockwork spring (364) extends.
8. The novel underground pressure determining device for the tight oil reservoir as claimed in claim 3, wherein: when the clockwork spring (364) extends, the first pushing connecting rod (24) is inclined outwards at an angle of forty-five degrees from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020151673.8U CN211448664U (en) | 2020-02-03 | 2020-02-03 | Novel underground pressure determining device for tight oil reservoir |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020151673.8U CN211448664U (en) | 2020-02-03 | 2020-02-03 | Novel underground pressure determining device for tight oil reservoir |
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| Publication Number | Publication Date |
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| CN211448664U true CN211448664U (en) | 2020-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020151673.8U Expired - Fee Related CN211448664U (en) | 2020-02-03 | 2020-02-03 | Novel underground pressure determining device for tight oil reservoir |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113047825A (en) * | 2021-05-13 | 2021-06-29 | 中国石油大学(华东) | Pressure detection device for injecting air into tight oil reservoir |
| CN113107802A (en) * | 2021-04-07 | 2021-07-13 | 江苏拓创科研仪器有限公司 | Full-automatic high-precision back pressure control system |
| CN113818852A (en) * | 2021-09-22 | 2021-12-21 | 西安洛科电子科技股份有限公司 | Injection pressure detection device for cabled intelligent separate injection instrument and use method thereof |
-
2020
- 2020-02-03 CN CN202020151673.8U patent/CN211448664U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113107802A (en) * | 2021-04-07 | 2021-07-13 | 江苏拓创科研仪器有限公司 | Full-automatic high-precision back pressure control system |
| CN113047825A (en) * | 2021-05-13 | 2021-06-29 | 中国石油大学(华东) | Pressure detection device for injecting air into tight oil reservoir |
| CN113047825B (en) * | 2021-05-13 | 2022-08-26 | 中国石油大学(华东) | Pressure detection device for injecting air into tight oil reservoir |
| CN113818852A (en) * | 2021-09-22 | 2021-12-21 | 西安洛科电子科技股份有限公司 | Injection pressure detection device for cabled intelligent separate injection instrument and use method thereof |
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Granted publication date: 20200908 |