CN211314198U - Sleeve pipe pressure measurement device - Google Patents
Sleeve pipe pressure measurement device Download PDFInfo
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- CN211314198U CN211314198U CN201922186372.9U CN201922186372U CN211314198U CN 211314198 U CN211314198 U CN 211314198U CN 201922186372 U CN201922186372 U CN 201922186372U CN 211314198 U CN211314198 U CN 211314198U
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- pressure measuring
- power supply
- casing
- measuring device
- pressure
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Abstract
The utility model discloses a casing pressure measuring device, which comprises a packaging joint, a pressure gauge, a signal wire, a ground decoding system, a remote management system and a power supply; the packaging connector is connected with the sleeve or the guide shoe, a plurality of bulge spaces are arranged on the side wall at intervals in a surrounding manner, a first through hole is further formed in the side wall, the pressure gauge is installed in the bulge spaces, one end of a signal wire penetrating through the first through hole is connected with the pressure gauge, and the other end of the signal wire is connected with a ground decoding system and a power supply which are arranged on the ground; the remote management system is connected with the ground decoding system through network transmission; the pressure at a certain position in the well is timely and accurately monitored through the casing pressure measuring device so as to calculate the bottom hole pressure, and the traditional method for calculating the bottom hole pressure through liquid level monitoring is replaced in some special wells, so that the bottom hole pressure is more accurately and permanently monitored; when the device is put down along with the production casing, the production dynamic state of the oil and gas well can be monitored, the overall monitoring of the production dynamic state of the remote oil and gas well can be realized through a network, and the device has higher production practical value.
Description
Technical Field
The utility model relates to an oil drilling equipment technical field, in particular to sleeve pipe pressure measurement device.
Background
Lost circulation is common during drilling. For some pressure sensitive hydrocarbon formations, it may even be possible to convert from lost circulation to well spill or blowout, resulting in serious accidents. For lost-return leakage, the method is a common method for monitoring the liquid level of the annulus in real time so as to guide grouting in time to ensure the bottom hole pressure to be stable and prevent overflow or blowout.
A common annular liquid level monitoring method is characterized in that a transmitting gun is installed at a wellhead and transmits nitrogen to a well to generate sound waves, the liquid level depth is calculated by receiving reflected sound wave signals, so that the bottom hole pressure is calculated, the bottom hole pressure is guaranteed to be balanced, overflow is prevented, and unnecessary waste caused by too much grouting is avoided. This method works well in actual drilling, but has the following drawbacks: firstly, in order to ensure the monitoring effect, a transmitting gun needs to be installed at a position close to a wellhead, the closer the transmitting gun is, the better the transmitting gun is, sound waves are avoided from turning as much as possible so as to avoid the influence on the receiving of a reflected signal, in the actual operation, continuous monitoring is sometimes needed so that a special installation interface is needed, the on-site solution is to process a special tee joint, the existing manifold is not influenced, and the liquid level monitoring can be carried out; but the measure needs to increase equipment and ensure that the tee joint has the pressure-bearing capacity equivalent to that of the wellhead; secondly, the installation position, the terrain condition and the like influence the monitoring effect and even possibly cause the monitoring effect to be unidentified, so that the accurate liquid level depth cannot be obtained to calculate the bottom hole pressure; thirdly, there is also a human judgment error for the fuzzy signal, so that an accurate pressure value cannot be obtained.
Therefore, how to provide a device capable of accurately and real-timely monitoring the pressure in the well is a problem to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a sleeve pipe pressure measurement device adopts the pressure gauge to carry out real-time supervision to corresponding well depth position, can also pass through network and backstage management system, and long-range realization is to the whole control of oil gas well production developments.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a casing pressure measuring device comprises a packaging joint, a pressure gauge, a signal wire, a ground decoding system, a remote management system and a power supply;
the packaging connector sequentially comprises a top connecting end, a pressure measuring cavity and a bottom connecting end which are integrally arranged from top to bottom, the top connecting end is connected with a sleeve, the bottom connecting end is connected with the sleeve or a guide shoe, a plurality of bulge spaces are arranged on the side wall of the pressure measuring cavity at intervals, and the pressure gauge is installed in the bulge spaces;
the side wall of the accommodating cavity is provided with a first through hole matched with the signal wire in a sealing manner, one end of the signal wire penetrating through the first through hole is connected with the pressure gauge, and the other end of the signal wire is connected with the ground decoding system and the power supply which are arranged on the ground;
the ground decoding system is electrically connected with the power supply;
the remote management system is connected with the ground decoding system through network transmission.
Preferably, the casing pressure measuring device further comprises a wire divider; one end of the deconcentrator is provided with a plurality of branch ports, and the other end of the deconcentrator is provided with a main port;
the first through hole is positioned on the side wall of one of the bulge spaces, the deconcentrator is arranged in the bulge space, the pressure gauge is arranged in other bulge spaces and is electrically connected with the branch port, and the main port is connected with the signal wire.
Preferably, a double-ended signal transmission port is hermetically arranged in the first through hole, and the main port is connected with the signal line through the double-ended signal transmission port.
The beneficial effects of the preferred technical scheme are as follows: the double-end signal transmission port enables the pressure gauge to be conveniently and quickly installed, and the sealing performance of the packaging connector is effectively guaranteed.
Preferably, the top connecting end and the sleeve, and the bottom connecting end and the sleeve or the guide shoe are connected in a matching manner through threads.
The beneficial effects of the preferred technical scheme are as follows: the screw thread matching is convenient for disassembly and assembly, and the use is convenient and quick.
Preferably, the power supply is an electric storage power supply.
Further, the casing pressure measuring device further comprises: and the solar power supply device is connected with the power storage power supply.
The beneficial effects of the preferred technical scheme are as follows: the solar energy power supply not only saves energy, but also realizes the purpose of utilizing natural energy to carry out long-term monitoring.
Preferably, the signal line is a carbon fiber optical fiber or a logging cable.
Preferably, the protrusion space is provided in three or more.
The utility model discloses an above-mentioned sleeve pipe pressure measurement device's application method, including following step:
the method comprises the following steps: the pressure gauge is arranged in the bulge space, the signal wire extends out of the first through hole to be connected with the ground decoding system and the power supply, the ground decoding system is connected with the remote management system through the network transmission line, and then two ends of the packaging joint are connected with the sleeve or the sleeve and the guide shoe;
step two: the assembled device is put into a corresponding position in the well, and the signal wire is arranged between the sleeve and the well wall;
step three: and starting a power supply and a device to monitor the pressure of the corresponding position in the well in real time.
Via the technical scheme, compare with prior art, the utility model provides a casing pressure measurement device and application method thereof, thereby calculate the bottom hole pressure through the pressure of some position in the timely accurate monitoring well of casing pressure measurement device, replace the traditional method of calculating the bottom hole pressure through liquid level monitoring at some special wells for the monitoring to the bottom hole pressure is more accurate, permanent; when the device is put down along with the production casing, the production dynamic state of the oil and gas well can be monitored, the overall monitoring of the production dynamic state of the remote oil and gas well can be realized through a network, and the device has higher production practical value.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is an overall structure diagram of a casing pressure measuring device according to the present invention;
fig. 2 is a diagram of a packaging joint structure of a casing pressure measuring device according to the present invention;
FIG. 3 is a view showing an internal structure of a package joint of a casing pressure measuring device according to the present invention;
fig. 4 is a structure diagram of a wire distributor of a casing pressure measuring device according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to 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.
As shown in fig. 1-3, a casing pressure measuring device comprises a packaging connector 1, a pressure gauge 2, a signal wire 3, a ground decoding system 4, a remote management system 5 and a power supply 8;
the packaging connector 1 sequentially comprises a top connecting end 11, a pressure measuring cavity 12 and a bottom connecting end 13 which are integrally arranged from top to bottom, the top connecting end 11 is connected with the sleeve 6, the bottom connecting end 12 is connected with the sleeve 6 or the guide shoe 7, a plurality of bulge spaces 121 are arranged on the side wall of the pressure measuring cavity 12 at intervals, and the pressure gauge 2 is installed in the bulge spaces 121;
a first through hole 122 hermetically matched with the signal wire 3 is formed in the side wall of the accommodating cavity 12, one end of the signal wire 3 penetrating through the first through hole 122 is connected with the pressure gauge 2, and the other end of the signal wire 3 is connected with the ground decoding system 4 and the power supply 8 which are arranged on the ground;
the ground decoding system 4 is connected with the power supply 8;
the remote management system 5 is connected with the ground decoding system 4 through network transmission.
The working principle of the technical scheme is as follows: the pressure gauge 2 is connected with a signal wire and then placed in the bulge space 121, the signal wire 3 extends out of the through hole 122 and is connected with the ground decoding system 4, the ground decoding system 4 is connected with the remote management system 5 through a network transmission line, and then the packaging connector 1 is connected between two sections of casing pipes 6 or between the casing pipe 6 and the guide shoe 7; the assembled device is put into a corresponding position in the well, and the signal wire 3 can be arranged in a cement layer between the casing 6 and the wall of the well; and opening the device to monitor the pressure of the corresponding position in the well in real time.
As shown in fig. 4, in some embodiments, the casing pressure measuring device further includes a splitter 9; the splitter 9 has a plurality of branch ports 91 at one end and a main port 92 at the other end;
the first through hole 122 is located on a side wall of one of the protrusion spaces 121, the splitter 9 is disposed in the protrusion space 121, the pressure gauge 2 is disposed in the other protrusion space 121 except the protrusion space 121 where the splitter is disposed and electrically connected to the branch port 91, and the main port 92 is connected to the signal line 3.
In some embodiments, a double-ended signal transmission port is hermetically disposed in the first through hole 121, and the main port 92 and the signal line 3 are connected through the double-ended signal transmission port.
In some embodiments, the top connection end 11 and the sleeve 6, and the bottom connection end 12 and the sleeve 6 or the guide shoe 7 are connected by thread matching.
In some embodiments, the power supply 8 is an electrical storage power supply.
In some embodiments, the casing pressure measurement device further comprises: and the solar power supply device 10 is connected with the power supply 8, and the solar power supply device 10 is connected with the power supply 8.
In some embodiments, the signal line 3 is a carbon fiber optical fiber or a logging cable.
In some embodiments, three or more pressure gauges 2 may be disposed in the protrusion space 121;
it is further explained here that if the pressure gauge 2 is directly connected to the signal line, the number of the pressure gauge 2 and the number of the protrusion spaces 121 are equal; if the deconcentrator 9 is adopted to connect the signal wire 3 and the pressure gauges 2, the number of the pressure gauges 2 is correspondingly reduced compared with the number of the convex spaces 121; multiple back-up pressure gauges 2 are placed without affecting the continuous monitoring of pressure in the event of a single equipment failure.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. A casing pressure measuring device is characterized by comprising a packaging joint, a pressure gauge, a signal wire, a ground decoding system, a remote management system and a power supply;
the packaging connector sequentially comprises a top connecting end, a pressure measuring cavity and a bottom connecting end which are integrally arranged from top to bottom, the top connecting end is connected with a sleeve, the bottom connecting end is connected with the sleeve or a guide shoe, a plurality of bulge spaces are arranged on the side wall of the pressure measuring cavity at intervals, and the pressure gauge is installed in the bulge spaces;
the side wall of the pressure measuring cavity is provided with a first through hole which is matched with the signal wire in a sealing way, one end of the signal wire penetrating through the first through hole is connected with the pressure gauge, and the other end of the signal wire is connected with the ground decoding system and the power supply which are arranged on the ground;
the ground decoding system is electrically connected with the power supply;
the remote management system is connected with the ground decoding system through network transmission.
2. The casing pressure measuring device according to claim 1, further comprising a wire divider; one end of the deconcentrator is provided with a plurality of branch ports, and the other end of the deconcentrator is provided with a main port;
the first through hole is positioned on the side wall of one of the bulge spaces, the deconcentrator is arranged in the bulge space, the pressure gauge is arranged in other bulge spaces and is electrically connected with the branch port, and the main port is connected with the signal wire.
3. The casing pressure measuring device according to claim 2, wherein a double-headed signal transmission port is hermetically arranged in the first through hole, and the main port is connected with the signal line through the double-headed signal transmission port.
4. The casing pressure measuring device according to claim 1, wherein the top connection end and the casing, and the bottom connection end and the casing or the guide shoe are connected in a matching manner through threads.
5. The casing pressure measuring device according to claim 1, wherein the power supply is a storage power supply.
6. The casing pressure measuring device according to claim 5, further comprising: and the solar power supply device is connected with the power storage power supply.
7. A casing pressure measuring device according to claim 1, wherein the signal line is a carbon fibre optical fibre or a logging cable.
8. The casing pressure measuring device according to claim 1, wherein three or more of the convex spaces are provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922186372.9U CN211314198U (en) | 2019-12-09 | 2019-12-09 | Sleeve pipe pressure measurement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922186372.9U CN211314198U (en) | 2019-12-09 | 2019-12-09 | Sleeve pipe pressure measurement device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211314198U true CN211314198U (en) | 2020-08-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922186372.9U Active CN211314198U (en) | 2019-12-09 | 2019-12-09 | Sleeve pipe pressure measurement device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211314198U (en) |
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2019
- 2019-12-09 CN CN201922186372.9U patent/CN211314198U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Casing pressure measuring device Effective date of registration: 20220325 Granted publication date: 20200821 Pledgee: Agricultural Bank of China Limited Bayingolin branch Pledgor: XINJIANG GRAND OILFIELD TECHNOLOGY Co.,Ltd. Registration number: Y2022650000012 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230320 Granted publication date: 20200821 Pledgee: Agricultural Bank of China Limited Bayingolin branch Pledgor: XINJIANG GRAND OILFIELD TECHNOLOGY Co.,Ltd. Registration number: Y2022650000012 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A casing pressure measuring device Effective date of registration: 20230322 Granted publication date: 20200821 Pledgee: Agricultural Bank of China Limited Bayingolin branch Pledgor: XINJIANG GRAND OILFIELD TECHNOLOGY Co.,Ltd. Registration number: Y2023980035709 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20200821 Pledgee: Agricultural Bank of China Limited Bayingolin branch Pledgor: XINJIANG GRAND OILFIELD TECHNOLOGY Co.,Ltd. Registration number: Y2023980035709 |