CN218409551U

CN218409551U - Automatic gas circuit control device for gas logging

Info

Publication number: CN218409551U
Application number: CN202222851307.5U
Authority: CN
Inventors: 王剑
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-10-28
Filing date: 2022-10-28
Publication date: 2023-01-31
Anticipated expiration: 2032-10-28

Abstract

The utility model belongs to the technical field of gas logging, in particular to an automatic gas circuit control device for gas logging, which comprises a dehumidifier; the utility model discloses a quantitative gas transmission assembly who sets up utilizes the gas of separating in two sets of two three-way valves of the inside sealed piston cooperation of gas holder promotion disjunctor for the mist burns in getting into the analysis appearance, is provided with gas flowmeter and signal transmitter simultaneously, and this kind of design overall structure is comparatively simple, and stability in use is strong to the cost is lower.

Description

Automatic gas circuit control device for gas logging

Technical Field

The utility model relates to a gas logging technical field specifically is a gas logging gas circuit automatic control device.

Background

Gas logging refers to: during the drilling and exploitation of oil well, the combustible gas in underground oil-gas reservoir is made to invade slurry and then circulated to ground with the slurry, and the combustible gas is separated with degasser and sent to gas analyzer via gas pipeline for combustion to produce thermoelectric reaction.

The application numbers are: CN201821680924.0, the chinese utility model provides an automatic control device for gas logging gas circuit: the device can digitally display gas pressure and humidity, automatically perform back flushing, water drainage, pipeline cleaning, detection of the working state of a sample pump and digitally set the gas flow of the sample. The electronic cold flow device comprises an electronic cold flow device, a three-way electromagnetic valve II, a sample pump, a needle type flow valve, a sulfuration gas sensor, a pressure shifting valve, a gas mass flow controller, an input and output control module and a computer, wherein the electronic cold flow device is connected with a two-way electric touch valve II, the two-way electric touch valve II is connected with the sample pump, and the two-way electric touch valve II is divided into two ways through the sample pump, wherein one way is connected with the needle type flow meter, and the other way is connected with the gas mass flow controller through a pressure stabilizing valve; the automatic control device for the gas logging gas circuit of the gas logging is characterized in that the needle-type flow valve is connected with a vulcanization sensor, the pressure stabilizing valve is connected with a pressure sensor, and a temperature sensor and a negative pressure sensor are arranged on a pipeline of the three-way electromagnetic valve II connected with the sample pump; therefore, the automatic gas circuit control device for gas logging is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

In order to compensate the not enough of prior art, it is not simple enough to have solved the structure that proposes in the above-mentioned background art, and the cost is higher, has certain problem of improving the space, the utility model provides a gas logging gas circuit automatic control device.

The utility model provides a technical scheme that its technical problem adopted is: the utility model discloses an automatic control device for gas logging gas circuit, which comprises a dehumidifier; the utility model discloses a dehumidifier, including dehumidifier front surface, middle part fixed mounting has a first extension pipe, and the middle part fixed mounting of dehumidifier right surface has an analysis appearance, the middle part fixed mounting of analysis appearance right surface has DCS integrated control center, the middle part fixed mounting of analysis appearance left surface has the second extension pipe, the centre of first extension pipe and second extension pipe is provided with quantitative defeated gas subassembly.

Preferably, the quantitative gas transmission assembly comprises a first connecting pipe, the first connecting pipe is fixedly installed on the right surface of the first extending pipe, the first connecting pipe is L-shaped, a first two-position three-way valve is fixedly installed in the middle of the first connecting pipe, and the first two-position three-way valve is electrically connected with the DCS integrated control center.

Preferably, fixed mounting has the second connecting pipe on the left surface of second extension pipe, the second connecting pipe is the symmetry form with first connecting pipe and distributes, the bottom fixed mounting of the first connecting pipe of second connecting pipe has the gas holder, the first connecting pipe of second connecting pipe all communicates with the gas holder.

Preferably, the middle part of gas holder left surface is inlayed and is fixed with electric putter, slidable mounting has sealing piston in the middle of the inner wall of gas holder, sealing piston's left surface is fixed with electric putter's flexible one end, electric putter and DCS integrated control center electric connection.

Preferably, a second two-position three-way valve is fixedly mounted in the middle of the second connecting pipe and electrically connected with the DCS integrated control center.

Preferably, a gas flowmeter is fixedly mounted in the middle of the second extension pipe, and a signal transmitter is fixedly mounted in the middle of the right surface of the gas flowmeter.

The utility model discloses an useful part lies in:

the utility model discloses a quantitative conveying subassembly that sets up utilizes the inside sealed piston of gas holder to cooperate two sets of two three-way valves to promote the gas that separates in the disjunctor for burning in the mist gets into the analysis appearance, is provided with gas flowmeter and signal changer simultaneously, can take notes real-time gas flow, can accurately calculate the volume that gets into in the analysis appearance in the mist, and this kind of design overall structure is comparatively simple, and the stability in use is strong, and the cost is lower.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed 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 some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

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

FIG. 2 is a schematic structural view of a quantitative gas delivery module according to the present invention;

FIG. 3 is a schematic view of the internal structure of the gas storage tank of the present invention;

fig. 4 is an enlarged schematic structural view of the second extension pipe of the present invention.

In the figure: 1. a dehumidifier; 2. an air inlet pipe; 3. a first extension pipe; 4. an analyzer; 5. a DCS integrated control center; 6. a second extension pipe; 7. a quantitative gas delivery assembly; 71. a first connecting pipe; 72. a first two-position three-way valve; 73. a gas storage tank; 74. an electric push rod; 75. a sealing piston; 76. a second connecting pipe; 77. a second two-position three-way valve; 78. a gas flow meter; 79. and a signal transmitter.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, an automatic gas circuit control device for gas logging includes a dehumidifier 1; the left side fixed mounting of 1 front surface of dehumidifier has intake pipe 2, and the middle part fixed mounting of 1 right side surface of dehumidifier has first extension pipe 3, and the right side fixed mounting of dehumidifier 1 has analysis appearance 4, and the middle part fixed mounting of 4 right side surfaces of analysis appearance has DCS integrated control center 5, and the middle part fixed mounting of 4 left surfaces of analysis appearance has second extension pipe 6, and the centre of first extension pipe 3 and second extension pipe 6 is provided with quantitative defeated gas subassembly 7.

Further, the quantitative gas transmission assembly 7 includes a first connection pipe 71, the first connection pipe 71 is fixedly installed on the right surface of the first extension pipe 3, the first connection pipe 71 is L-shaped, a first two-position three-way valve 72 is fixedly installed in the middle of the first connection pipe 71, the first two-position three-way valve 72 is electrically connected with the DCS integrated control center 5, a second connection pipe 76 is fixedly installed on the left surface of the second extension pipe 6, the second connection pipe 76 and the first connection pipe 71 are symmetrically distributed, a gas storage tank 73 is fixedly installed at the bottom of the first connection pipe 71 of the second connection pipe 76, the first connection pipe 71 of the second connection pipe 76 is both communicated with the gas storage tank 73, an electric push rod 74 is fixedly embedded in the middle of the left surface of the gas storage tank 73, a sealing piston 75 is slidably installed in the middle of the inner wall of the gas storage tank 73, the left surface of the sealing piston 75 is fixed with the telescopic end of the electric push rod 74, and the electric push rod 74 is electrically connected with the DCS integrated control center 5, a second two-position three-way valve 77 is fixedly installed in the middle of the second connecting pipe 76, the second two-position three-way valve 77 is electrically connected with the DCS integrated control center 5, a gas flow meter 78 is fixedly installed in the middle of the second extending pipe 6, a signal transmitter 79 is fixedly installed in the middle of the right surface of the gas flow meter 78, a disjointer separates gas mixed in slurry in the petroleum well and inputs the gas into the dehumidifier 1 through the gas inlet pipe 2, water vapor in the mixed gas is removed from the dehumidifier 1, then the mixed gas enters the gas storage tank 73 through the first extending pipe 3 and the first connecting pipe 71, the DCS integrated control center 5 controls a closed pipeline of the second two-position three-way valve 77 through a program set in the DCS integrated control center when entering the gas storage tank 73, and simultaneously controls the electric push rod 74 to drive the sealing piston 75 to slowly move to the left side until the sealing piston 75 moves to the leftmost side in the gas storage tank 73, the gas storage tank 73 is ensured to store mixed gas, at the moment, the DCS integrated control center 5 controls the second two-position three-way valve 77 to be communicated with the analyzer 4 through a program set in the DCS integrated control center, controls the first two-position three-way valve 72 to close a pipeline, and simultaneously controls the electric push rod 74 to extend to push the sealing piston 75, at the moment, the mixed gas of the gas storage tank 73 enters the analyzer 4 through the second connecting pipe 76 and the second extension pipe 6, when the mixed gas passes through the second extension pipe 6, the gas flow meter 78 measures the gas flow and carries out feedback transmission through the signal transmitter 79, and the quantitative gas transmission assembly 7 is arranged, the sealing piston 75 in the gas storage tank 73 is matched with the two groups of two-position three-way valves to push the separated gas in the disjointer, so that the mixed gas enters the analyzer 4 to burn, and meanwhile, the gas flow meter 78 and the signal transmitter 79 are arranged, so that the real-time gas flow can be recorded, the volume of the mixed gas entering the analyzer 4 in the mixed gas can be accurately calculated, and the design is simple in overall structure, strong in use stability and low in cost.

The working principle is as follows: during actual use, the disjointer separates gas mixed in slurry in an oil well, the gas is input into the dehumidifier 1 through the gas inlet pipe 2, water vapor in the mixed gas is removed from the dehumidifier 1, then the mixed gas enters the gas storage tank 73 through the first extension pipe 3 and the first connecting pipe 71, the DCS integrated control center 5 controls the closed pipeline of the second two-position three-way valve 77 through a program set in the DCS while entering the gas storage tank 73, and simultaneously controls the electric push rod 74 to drive the sealing piston 75 to slowly move towards the left side until the sealing piston 75 moves to the leftmost side in the gas storage tank 73, so that the mixed gas stored in the gas storage tank 73 is ensured, at the moment, the DCS integrated control center 5 controls the second two-position three-way valve 77 to be communicated with the analyzer 4 through the program set in the DCS, controls the closed pipeline of the first two-position three-way valve 72, controls the electric push rod 74 to extend and push the sealing piston 75, at the moment, the mixed gas in the gas storage tank 73 enters the analyzer 4 through the second extension pipe 76 and the second extension pipe 6, when the gas passes through the second extension pipe 6, the gas flow meter is measured, the gas flow meter is fed back through the signal transmitter 79, the gas logging control device is simple in structure, and the whole gas flow meter is low in use cost, and the whole gas logging control device is low in stability.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims

1. An automatic control device for gas logging gas circuit comprises a dehumidifier (1); the method is characterized in that: the utility model discloses a dehumidifier, including dehumidifier (1), dehumidifier, analysis appearance (4), central part fixed mounting has first extension pipe (3) on dehumidifier (1) right side surface, the right side fixed mounting of dehumidifier (1) has analysis appearance (4), the central part fixed mounting of analysis appearance (4) right side surface has DCS integrated control center (5), the middle part fixed mounting of analysis appearance (4) left side surface has second extension pipe (6), the centre of first extension pipe (3) and second extension pipe (6) is provided with quantitative defeated gas subassembly (7).

2. The automatic gas circuit controller for gas logging according to claim 1, characterized in that: quantitative gas transmission subassembly (7) include first connecting pipe (71), first connecting pipe (71) fixed mounting is on the right surface of first extension pipe (3), first connecting pipe (71) are L shape, the middle part fixed mounting of first connecting pipe (71) has first two-position three-way valve (72), first two-position three-way valve (72) and DCS integrated control center (5) electric connection.

3. The automatic gas circuit controller for gas logging according to claim 1, characterized in that: fixed mounting has second connecting pipe (76) on the left surface of second extension pipe (6), second connecting pipe (76) are the symmetry with first connecting pipe (71) and describe the distribution, the bottom fixed mounting of second connecting pipe (76) first connecting pipe (71) has gas holder (73), first connecting pipe (71) of second connecting pipe (76) all communicates with gas holder (73).

4. The automatic gas circuit control device for gas logging according to claim 3, characterized in that: electric putter (74) are inlayed and are fixed with in the middle part of gas holder (73) left surface, slidable mounting has sealed piston (75) in the middle of the inner wall of gas holder (73), the left surface of sealed piston (75) is fixed with electric putter (74)'s flexible one end, electric putter (74) and DCS integrated control center (5) electric connection.

5. The gas logging gas circuit automatic control device of claim 3, characterized in that: the middle part of the second connecting pipe (76) is fixedly provided with a second two-position three-way valve (77), and the second two-position three-way valve (77) is electrically connected with the DCS integrated control center (5).

6. The gas logging gas circuit automatic control device of claim 1, characterized in that: the middle part fixed mounting of second extension pipe (6) has gas flowmeter (78), the middle part fixed mounting of gas flowmeter (78) right surface has signal transmitter (79).