CN213898955U - Pumping well working fluid level monitoring system - Google Patents

Abstract

The utility model discloses a pumping well working fluid level monitoring system, which relates to the technical field of working fluid level monitoring equipment, and comprises a Christmas tree and a production pipeline communicated with the Christmas tree, wherein the production pipeline is sequentially provided with a check valve, an air tightness detection module and a sleeve test port, the production pipeline is also provided with a stop module positioned between the check valve and the air tightness detection module, the stop module is connected with a receiving module, the sleeve test port is provided with a liquid level automatic monitor, and the liquid level automatic monitor is provided with a feedback module; the air tightness detection module is used for detecting the air tightness of the check valve, the stop module and the sleeve test port; the liquid level automatic monitor is used for acquiring a dynamic liquid level monitoring signal and controlling the feedback module to send a control signal; the receiving module is used for receiving the control signal and controlling the on-off of the production pipeline of the stopping module according to the control signal. The utility model has the advantages of influence and testing result accuracy that automatic detection, elimination single current valve caused the testing process.

Description

Pumping well working fluid level monitoring system

Technical Field

The utility model relates to a working fluid level monitoring facilities technical field, concretely relates to pumping well working fluid level monitoring system.

Background

Along with the increasing of the fine management and remote automatic control of the pumping well, the working fluid level monitoring of the pumping well is an important work of daily management of the oil field, the liquid supply capacity and the reservoir pressure of the stratum can be known by mastering the change rule of the working fluid level of the oil well, the reasonable submergence degree is set for an oil well pump of the oil-gas well, and a reasonable working system is formulated. Currently, most pumping wells are used to control and recover casing gas to maximize production and overall efficiency. In order to prevent the phenomenon that liquid produced by an oil pumping well or liquid of a metering station flows back to an annular space of an oil jacket, the oil well is provided with a check valve, but the frequent opening and closing of the check valve not only influences the stability of gas, but also brings certain interference noise, and the method adopts a sound wave reflection method as a principle for an old-fashioned sound elastic liquid level automatic monitor, an electric spark paper feeding liquid level automatic monitor or a novel pneumatic mode liquid level automatic monitor, has certain requirements on the frequency range of sound waves and the stability of air flow, so that the interference noise and unstable air flow generated by the opening and closing of the check valve influence the monitoring of the working fluid level of the oil pumping well, and even the failure of the working fluid level test caused by the failure of the working fluid level of the oil pumping well can not be effectively measured.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model provides a pumping well working fluid level monitoring system.

A pumping well dynamic liquid level monitoring system comprises a Christmas tree and a production pipeline communicated with the Christmas tree, wherein a check valve, an air tightness detection module and a sleeve test port are sequentially arranged on the production pipeline, a stop module positioned between the check valve and the air tightness detection module is also arranged on the production pipeline, the stop module is connected with a receiving module, a liquid level automatic monitor is arranged at the sleeve test port, and a feedback module is arranged on the liquid level automatic monitor; the airtightness detection module is used for detecting the airtightness of the check valve, the stop module and the casing test port; the liquid level automatic monitor is used for acquiring a dynamic liquid level monitoring signal and controlling the feedback module to send a control signal; the receiving module is used for receiving a control signal and controlling the cut-off module to switch on and off the production pipeline according to the control signal. The feedback module and the receiving module can adopt wireless connection or wired connection. The whole working fluid level testing process comprises the following steps of firstly detecting the air tightness of the check valve, the stop module and the sleeve testing port through the air tightness detection module, if leakage exists, checking faults and reinstalling until the leakage is qualified, starting monitoring after the faults are avoided, obtaining a working fluid level monitoring signal by the automatic liquid level detector, controlling the feedback module to send a control signal while starting monitoring, receiving the control signal by the receiving module, driving the stop module to close according to the control signal by the receiving module, so that a production pipeline is disconnected, the check valve and the Christmas tree are disconnected, directly eliminating the influence of the check valve on the working fluid level testing, greatly improving the testing effect and the reliability of the testing result, further closing the automatic liquid level detector after the working fluid level testing is finished, controlling the feedback module to close, preventing the receiving module from receiving the control signal, and enabling the receiving module to control the stop module to reset, let the check valve switch on production tree again, the check valve function resumes normally, realizes both keeping the function of check valve and can avoid the check valve to cause the influence to the liquid level test again, and liquid level automatic monitoring appearance possesses long-range wireless communication function simultaneously, need not artificial intervention to the control of ending the module and the test of liquid level, has realized the test automation.

Specifically, an antenna is arranged on the automatic liquid level detector. Similarly, the wireless communication effect of the automatic liquid level monitor is improved.

Specifically, the airtightness detection module comprises a first manual valve arranged between the Christmas tree and the cut-off module, and further comprises a second manual valve arranged between the Christmas tree and the casing test port. The air tightness of the stop module is detected by opening and closing the first manual valve, and the air tightness of the sleeve test port is detected by opening and closing the second manual valve.

Specifically, the feedback module comprises an output port, the receiving module comprises a control port, and the output port is connected with the control port through a cable. The control port and the output port are connected through a wire, and therefore communication efficiency is improved.

Specifically, the liquid level automatic detector is connected with a power supply line. The power supply circuit is used for supplying electric energy to the liquid level automatic detector.

In particular, the shut-off module comprises an electrically controlled shut-off valve arranged on the production line.

Specifically, the electrically controlled shut-off valve is of the power-off reset normally-open type. The stop module adopts an electric control stop valve, the selected electric control stop valve is a power-off reset normally-open type, the caliber of the electric control stop valve is not smaller than the inner diameter of the modified pumping well pipeline, the flux and the withstand voltage of the electric control stop valve are consistent with the requirements of the pumping well pipeline, and the working voltage of the electric control stop valve is consistent with the maximum control voltage of the liquid level automatic monitor.

The beneficial effects of the utility model are embodied in:

in the utility model, the airtightness of the check valve, the stop module and the sleeve test port is detected by the airtightness detection module, if leakage occurs, the check valve, the stop module and the sleeve test port are reinstalled until the airtightness is qualified, the detection is started after the leakage is correct, the liquid level automatic detector acquires a working fluid level monitoring signal, the control feedback module is controlled to send a control signal while the monitoring is started, the control signal is received by the receiving module, the receiving module drives the stop module to close according to the control signal, the production pipeline is disconnected, the check valve and the Christmas tree are disconnected, the influence of the check valve on the working fluid level test is directly eliminated, the reliability of the test effect and the test result is greatly improved, furthermore, after the working fluid level test is finished, the liquid level automatic detector is closed, the control feedback module is closed, the receiving module cannot receive the control signal, and the receiving module controls the stop module to reset, let the check valve switch on production tree again, the check valve function resumes normally, realizes both keeping the function of check valve and can avoid the check valve to cause the influence to the liquid level test again, and liquid level automatic monitoring appearance possesses long-range wireless communication function simultaneously, need not artificial intervention to the control of ending the module and the test of liquid level, has realized the test automation.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic diagram of the structure of the present invention.

Reference numerals:

the system comprises a Christmas tree 1, a production pipeline 2, a check valve 3, an air tightness detection module 4, a first manual valve 41, a second manual valve 42, a casing pipe test port 5, a stop module 6, an electronic control stop valve 61, a receiving module 7, an automatic liquid level monitor 8, an antenna 81, a power supply line 82, a feedback module 9 and a cable 10.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "up", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are conventionally placed when used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

As shown in fig. 1 and 2, the pumping well working fluid level monitoring system comprises a production tree 1 and a production pipeline 2 communicated with the production tree 1, wherein the production pipeline 2 is sequentially provided with a check valve 3, an air tightness detection module 4 and a casing test port 5, the production pipeline 2 is also provided with a stop module 6 positioned between the check valve 3 and the air tightness detection module, the stop module 6 is connected with a receiving module 7, the casing test port 5 is provided with a fluid level automatic monitor 8, and the fluid level automatic monitor is provided with a feedback module 9; the air tightness detection module 4 is used for detecting the air tightness of the check valve 3, the stop module 6 and the casing test port 5; the liquid level automatic monitor 8 is used for acquiring a working liquid level monitoring signal and controlling the feedback module 9 to send a control signal; the receiving module 7 is used for receiving the control signal and controlling the on-off of the production pipeline 2 by the stopping module 6 according to the control signal.

In this embodiment, the feedback module 9 and the receiving module 7 may be connected by a wireless or wired connection. The whole working fluid level testing process is as follows, firstly, the airtightness of the check valve 3, the stop module 6 and the sleeve testing port 5 is detected through the airtightness detection module 4, if leakage exists, the check module is required to be checked and reinstalled until the leakage is qualified, the monitoring is started after the leakage is correct, the automatic liquid level detector acquires a working fluid level monitoring signal, the feedback module 9 is controlled to send a control signal while the monitoring is started, the control signal is received by the receiving module 7, the receiving module 7 drives the stop module 6 to be closed according to the control signal, so that the production pipeline 2 is disconnected, the check valve 3 is disconnected with the Christmas tree 1, the influence of the check valve 3 on the working fluid level testing is directly eliminated, the testing effect and the reliability of the testing result are greatly improved, furthermore, after the working fluid level testing is finished, the automatic liquid level detector is closed, the feedback module 9 is controlled to be closed, so that the receiving module 7 cannot receive the control signal, make receiving module 7 control to cut off module 6 and reset, let single current valve 3 switch on christmas tree 1 again, the 3 functions of single current valve resume normally, realize not only keeping the function of single current valve 3 but also can avoid single current valve 3 to cause the influence to the dynamic liquid level test, liquid level automatic monitor 8 possesses long-range wireless communication function simultaneously, need not artificial intervention to the control of cutting off module 6 and the test of dynamic liquid level, has realized the test automation.

Specifically, the liquid level automatic detection instrument is provided with an antenna 81.

In the present embodiment, it should be noted that the wireless communication effect of the automatic liquid level monitor 8 is similarly improved.

In particular, the airtightness detection module 4 comprises a first manual valve 41 arranged between the christmas tree 1 and the cut-off module 6, and also comprises a second manual valve 42 arranged between the christmas tree 1 and the casing test port 5.

In the present embodiment, the airtightness of the blocking module 6 is detected by opening and closing the first manual valve 41, and the airtightness of the well test port 5 is detected by opening and closing the second manual valve 42.

Specifically, the feedback module 9 includes an output port, and the receiving module 7 includes a control port, and the output port is connected to the control port through a cable 10.

In this embodiment, it should be noted that the control port and the output port are connected by a wire, thereby improving the communication efficiency.

Specifically, the liquid level automatic detector is connected to a power supply line 82.

In the present embodiment, the power supply line 82 is used to supply power to the automatic liquid level detector.

In particular, the shut-off module 6 comprises an electrically controlled shut-off valve 61 arranged on the production line 2.

Specifically, the electrically controlled stop valve 61 is of a power-off reset normally-open type.

In this embodiment, it should be noted that the stop module 6 employs an electrically controlled stop valve 61, and the selected electrically controlled stop valve 61 should be of a power-off reset normally open type, and its caliber should be not less than the inner diameter of the modified pumping well pipeline, and its flux and withstand voltage should be consistent with the pumping well pipeline requirements, and its operating voltage should be consistent with the maximum control voltage of the automatic liquid level monitor 8.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims (7)

1. A pumping well dynamic liquid level monitoring system comprises a Christmas tree and a production pipeline communicated with the Christmas tree, wherein a check valve, an air tightness detection module and a sleeve test port are sequentially arranged on the production pipeline; wherein the content of the first and second substances,

the air tightness detection module is used for detecting the air tightness of the check valve, the stop module and the sleeve test port;

the liquid level automatic monitor is used for acquiring a dynamic liquid level monitoring signal and controlling the feedback module to send a control signal;

the receiving module is used for receiving a control signal and controlling the cut-off module to switch on and off the production pipeline according to the control signal.

2. The system for monitoring the working fluid level in a pumping well according to claim 1, wherein an antenna is provided on the automatic fluid level detector.

3. The system of claim 1, wherein the gas tightness detection module comprises a first manual valve disposed between the christmas tree and the shut-off module, and further comprising a second manual valve disposed between the christmas tree and the casing test port.

4. The system of claim 1, wherein the feedback module includes an output port and the receiving module includes a control port, the output port being connected to the control port by a cable.

5. The system for monitoring the working fluid level in a pumping well according to claim 1, wherein the automatic fluid level detector is connected to a power supply line.

6. The system of claim 1, wherein the shut-off module comprises an electrically controlled shut-off valve disposed on the production line.

7. The system of claim 6 wherein the electrically controlled shut-off valve is of the power-off, normally open type.

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