CN213235038U

CN213235038U - Double-sensor underground pressure gauge

Info

Publication number: CN213235038U
Application number: CN202021101820.7U
Authority: CN
Inventors: 成景阳; 黎石松
Original assignee: Xi'an Zhenghexing Electronic Technology Co ltd
Current assignee: Xi'an Zhenghexing Electronic Technology Co ltd
Priority date: 2020-06-15
Filing date: 2020-06-15
Publication date: 2021-05-18
Anticipated expiration: 2030-06-15

Abstract

The utility model discloses a pressure gauge in pit of two sensors, lead including the toper and press end cap, a battery section of thick bamboo, socket and sensor storehouse, two pressure sensor are equipped with of inside one side in sensor storehouse, and the outside has the toper to lead and presses the end cap, the battery section of thick bamboo is installed to one side that the toper led pressed the end cap, the inside intermediate position department in sensor storehouse installs a protection section of thick bamboo, the internally mounted of a protection section of thick bamboo has two circuit boards, the socket is installed to the inside opposite side in sensor storehouse, the battery is installed to one side of socket, corrosion resistant structure is installed to one side of sensor storehouse outer wall, the intermediate position department of sensor storehouse outer wall installs the maintenance structure, the dismantlement structure is installed to one side of maintaining the. The utility model discloses a set up two pressure measurement sensors on the coplanar, realize accurate pressure measurement, avoid traditional pressure measurement method because the inconsistent measuring error that leads to of pressure measurement point.

Description

Double-sensor underground pressure gauge

Technical Field

The utility model relates to a pressure gauge technical field specifically is a pressure gauge in pit of two sensors.

Background

The double-sensor underground pressure gauge is a device for measuring underground pressure of an oil-gas well, oil-gas resources are used as non-renewable resources along with the development of the oil-gas field, the oil-gas resources are gradually exhausted, and the country calls for improving the recovery ratio of the oil-gas field (about 30-40% of the current recovery ratio at home and more than 60% of the recovery ratio sent to the country abroad). The first key to improve the recovery efficiency is to accurately control the dynamic pressure of the formation. At present, formation pressure is tested by connecting two pressure gauges in series and hoisting the pressure gauges into the well through steel wire operation, but because the two pressure gauges are not on the same plane, and external media, temperature and pressure are different, a test result has certain errors, and the operation process and the device still have certain problems and defects.

The double-sensor underground pressure gauge perfectly solves the current problem, and the device has the advantages that the two pressure sensors are on the same plane, so that the problem of the traditional pressure measuring device does not exist. Meanwhile, the length of the instrument is one time shorter than the length of the two traditional instruments connected in series, so that the wellhead blowout preventer is required to be shorter for construction and simpler and more convenient to install in the process of hoisting the instrument into the underground operation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pressure gauge in pit of dual sensor to it measures and the problem that the measuring result that leads to differs and dismantle, the inconvenient problem of construction to propose two measuring transducer in different positions in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a double-sensor underground pressure gauge comprises a conical pressure guide plug, a battery barrel, a socket and a sensor bin, wherein the conical pressure guide plug is installed at two ends of one side in the sensor bin, the battery barrel is installed at one side of the conical pressure guide plug, a protection barrel is installed at the middle position in the sensor bin, two circuit boards are installed in the protection barrel, the socket is installed at the other side in the sensor bin, a battery is installed at one side of the socket, a corrosion-resistant structure is installed at one side of the outer wall of the sensor bin, a maintenance structure is installed at the middle position of the outer wall of the sensor bin, a disassembly structure is installed at one side of the maintenance structure, the disassembly structure comprises a threaded block, a threaded groove, a sealing ring, a first clamping block and a first clamping groove, the first clamping groove is installed at one side in the sensor bin, and the first clamping block is installed in the first clamping groove, a sealing ring is installed on one side of the first clamping block, and a thread groove is installed on one side of the sealing ring.

Preferably, the corrosion-resistant structure includes fixed layer, articulamentum and corrosion-resistant layer, the fixed layer is installed in one side of sensor storehouse outer wall, the articulamentum is installed on the top of fixed layer.

Preferably, the corrosion-resistant layer is arranged at the top end of the connecting layer, and the corrosion-resistant layer and the connecting layer are mutually adhered.

Preferably, a thread block is installed inside the thread groove, and a threaded connection is formed between the thread block and the thread groove.

Preferably, the maintenance structure comprises a hinge, a maintenance plate, a second clamping block and a second clamping groove, the hinge is installed on the two sides of the bottom end of the maintenance plate, and the second clamping groove is installed on the two sides of the top end of the maintenance plate.

Preferably, a second clamping block is installed inside the second clamping groove, the inner diameter of the second clamping groove is larger than the outer diameter of the second clamping block, and a clamping structure is formed between the second clamping groove and the second clamping block.

Compared with the prior art, the beneficial effects of the utility model are that: the double-sensor underground pressure gauge not only realizes accurate pressure measurement and convenient disassembly, but also realizes good corrosion resistance effect and is convenient to maintain the pressure gauge body;

(1) by arranging two pressure measuring sensors on the same plane, accurate pressure measurement is realized, and measurement errors caused by inconsistent pressure measuring points in the traditional pressure measuring method are avoided;

(2) by the aid of the dismounting structure, when the sensor bin is used for a long time, the sensing part at the front end of the sensor bin needs to be replaced, so that the whole sensor bin does not need to be replaced, at the moment, the screw block only needs to be rotated to be separated from the thread groove, the dismounting and replacing effects can be achieved, and when the sensor bin is installed, in order to prevent internal water leakage during use, the sealing effect can be achieved through the sealing ring;

(3) by arranging the corrosion-resistant structure, when the sensor bin is used, sometimes the sensor bin can touch corrosive liquid, so that a fixing layer needs to be arranged on the sensor bin, and the corrosion-resistant layer is adhered to the surface of the fixing layer through a connecting layer, so that the corrosion-resistant effect is achieved, and the service life of the sensor bin is prolonged;

(4) through being provided with the maintenance structure, at sensor storehouse live time overlength, when inside part need be maintained, can pull open the maintenance board for the second fixture block on the maintenance board breaks away from the second draw-in groove, thereby reaches the effect that the maintenance board was opened on the hinge, has played the effect of convenient inside maintenance.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

FIG. 2 is a schematic front view of the disassembling structure of the present invention;

fig. 3 is a schematic view of the maintenance structure of the present invention;

fig. 4 is the utility model discloses a corrosion resistant structure looks sideways at section structure schematic diagram.

In the figure: 1. a conical pressure guide plug; 2. a battery can; 3. two circuit boards; 4. a socket; 5. a battery; 6. a sensor bin; 7. a protective cylinder; 8. a corrosion resistant structure; 801. a fixed layer; 802. a connecting layer; 803. A corrosion resistant layer; 9. disassembling the structure; 901. a thread block; 902. a thread groove; 903. a seal ring; 904. a first clamping block; 905. a first card slot; 10. maintaining the structure; 1001. a hinge; 1002. maintaining the guard plate; 1003. a second fixture block; 1004. and a second card slot.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a double-sensor underground pressure gauge comprises a conical pressure guide plug 1 and a battery barrel 2, the sensor comprises a socket 4 and a sensor bin 6, wherein two ends of one side inside the sensor bin 6 are respectively provided with a conical pressure guide plug 1, one side of the conical pressure guide plug 1 is provided with a battery barrel 2, the middle position inside the sensor bin 6 is provided with a protection barrel 7, the inside of the protection barrel 7 is provided with two circuit boards 3, the other side inside the sensor bin 6 is provided with the socket 4, one side of the socket 4 is provided with a battery 5, one side of the outer wall of the sensor bin 6 is provided with a corrosion-resistant structure 8, the corrosion-resistant structure 8 comprises a fixing layer 801, a connecting layer 802 and a corrosion-resistant layer 803, the fixing layer 801 is arranged on one side of the outer wall of the sensor bin 6, the top end of the fixing layer 801 is provided with the connecting layer 802, the top end of the connecting layer 802 is provided with;

specifically, as shown in fig. 1 and 4, when this mechanism is used, firstly, when the sensor chamber 6 is used, sometimes the sensor chamber 6 touches corrosive liquid, so it is necessary to mount a fixing layer 801 on the sensor chamber 6, and the fixing layer 801 adheres a corrosion-resistant layer 803 to the surface thereof through a connecting layer 802, thereby achieving the effect of corrosion resistance and increasing the service life of the sensor chamber 6;

a maintenance structure 10 is installed in the middle of the outer wall of the sensor bin 6, the maintenance structure 10 comprises a hinge 1001, a maintenance plate 1002, a second clamping block 1003 and a second clamping groove 1004, the hinge 1001 is installed on each of two sides of the bottom end of the maintenance plate 1002, the second clamping groove 1004 is installed on each of two sides of the top end of the maintenance plate 1002, the second clamping block 1003 is installed in the second clamping groove 1004, the inner diameter of the second clamping groove 1004 is larger than the outer diameter of the second clamping block 1003, and a clamping structure is formed between the second clamping groove 1004 and the second clamping block 1003;

specifically, as shown in fig. 1 and 3, when the mechanism is used, firstly, when the sensor cabin 6 is used for too long time and internal parts need to be maintained, the maintenance plate 1002 can be pulled open, so that the second fixture block 1003 on the maintenance plate 1002 is separated from the second fixture groove 1004, and therefore the effect that the maintenance plate 1002 is opened on the hinge 1001 is achieved, and the effect of facilitating internal maintenance is achieved;

a disassembly structure 9 is installed on one side of the maintenance structure 10, the disassembly structure 9 comprises a threaded block 901, a threaded groove 902, a sealing ring 903, a first fixture block 904 and a first clamping groove 905, the first clamping groove 905 is installed on one side inside the sensor bin 6, the first fixture block 904 is installed inside the first clamping groove 905, the sealing ring 903 is installed on one side of the first fixture block 904, the threaded groove 902 is installed on one side of the sealing ring 903, the threaded block 901 is installed inside the threaded groove 902, and threaded connection is formed between the threaded block 901 and the threaded groove 902;

specifically, as shown in fig. 1 and 2, when the mechanism is used, firstly, when the sensor cabin 6 is used for a long time, the sensing part at the front end of the sensor cabin 6 needs to be replaced, so that the whole sensor cabin 6 does not need to be replaced, at this time, only the thread block 901 needs to be rotated, the thread block 901 is separated from the thread groove 902, the effect of disassembly and replacement can be achieved, and when the mechanism is installed, in order to prevent internal water leakage during use, the sealing effect can be achieved through the sealing ring 903.

The working principle is as follows: the utility model discloses when using, at first, in the time of being too long to sensor storehouse 6 live time, need change the processing to the response position of 6 front ends in sensor storehouse to need not change whole sensor storehouse 6, at this moment, only need rotatory screw thread piece 901, make screw thread piece 901 break away from thread groove 902 can reach the effect of dismantling the change, and when the installation, in order to prevent inside when using from leaking, can reach sealed effect through sealing washer 903.

Then, when the sensor chamber 6 is used, sometimes the sensor chamber 6 may touch corrosive liquid, so a fixing layer 801 needs to be installed on the sensor chamber 6, and the fixing layer 801 adheres the corrosion-resistant layer 803 on the surface of the fixing layer through the connecting layer 802, so that the corrosion-resistant effect is achieved, and the service life of the sensor chamber 6 is prolonged.

Finally, when the sensor bin 6 is too long in service life and internal parts need to be maintained, the maintenance plate 1002 can be pulled open, so that the second clamping block 1003 on the maintenance plate 1002 is separated from the second clamping groove 1004, the effect that the maintenance plate 1002 is opened on the hinge 1001 is achieved, and the effect of facilitating internal maintenance is achieved.

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.

Claims

1. The utility model provides a pressure gauge in pit of dual sensor, leads including the toper and presses end cap (1), battery section of thick bamboo (2), socket (4) and sensor storehouse (6), its characterized in that: two pressure sensor are equipped with to inside one side in sensor storehouse (6), and the outside has the toper to lead to press end cap (1), a battery section of thick bamboo (2) is installed to one side that the toper was led to press end cap (1), a protection section of thick bamboo (7) are installed to the inside intermediate position department in sensor storehouse (6), the internally mounted of a protection section of thick bamboo (7) has two circuit board (3), socket (4) are installed to the inside opposite side in sensor storehouse (6), battery (5) are installed to one side of socket (4), corrosion resistant structure (8) are installed to one side of sensor storehouse (6) outer wall, maintenance structure (10) are installed to the intermediate position department of sensor storehouse (6) outer wall, one side of maintaining structure (10) is installed and is dismantled structure (9), it includes screw thread piece (901), thread groove (902), sealing washer (903) to dismantle structure (9), First fixture block (904) and first draw-in groove (905), install in sensor storehouse (6) inside one side in first draw-in groove (905), the internally mounted of first draw-in groove (905) has first fixture block (904), sealing washer (903) are installed to one side of first fixture block (904), thread groove (902) are installed to one side of sealing washer (903).

2. A dual sensor downhole pressure gauge according to claim 1, wherein: the corrosion-resistant structure (8) comprises a fixing layer (801), a connecting layer (802) and a corrosion-resistant layer (803), wherein the fixing layer (801) is installed on one side of the outer wall of the sensor cabin (6), and the connecting layer (802) is installed on the top end of the fixing layer (801).

3. A dual sensor downhole pressure gauge according to claim 2, wherein: the top end of the connecting layer (802) is provided with the corrosion-resistant layer (803), and the corrosion-resistant layer (803) and the connecting layer (802) are mutually bonded.

4. A dual sensor downhole pressure gauge according to claim 1, wherein: a thread block (901) is installed inside the thread groove (902), and a thread connection is formed between the thread block (901) and the thread groove (902).

5. A dual sensor downhole pressure gauge according to claim 1, wherein: the maintenance structure (10) comprises a hinge (1001), a maintenance plate (1002), a second clamping block (1003) and a second clamping groove (1004), the hinge (1001) is installed on two sides of the bottom end of the maintenance plate (1002), and the second clamping groove (1004) is installed on two sides of the top end of the maintenance plate (1002).

6. A dual sensor downhole pressure gauge according to claim 5, wherein: a second clamping block (1003) is installed inside the second clamping groove (1004), the inner diameter of the second clamping groove (1004) is larger than the outer diameter of the second clamping block (1003), and a clamping structure is formed between the second clamping groove (1004) and the second clamping block (1003).