Gas testing and producing wellhead device

Abstract

The utility model discloses a gas testing and production wellhead device, which particularly relates to the technical field of gas production and comprises a three-way pipe, a gas production inlet pipe, a gas production outlet pipe and a gas testing pipe are respectively arranged at three ends of the three-way pipe, a combustion cylinder is fixedly connected with one end of the gas testing pipe back to the three-way pipe, and a water tank is arranged on the outer side of the combustion cylinder. A hot water winding pipe is arranged on the outer surface of the gas testing pipe, two ends of the hot water winding pipe are connected with the water tank, and a heating piece is further arranged on the outer surface of the gas testing pipe; gate valves are arranged on the three-way pipe, the gas production inlet pipe and the gas production outlet pipe; a backfire device is arranged on the three-way pipe; the top of the combustion cylinder fixedly communicates with a combustion calandria which penetrates through the water tank. The top of the combustion cylinder fixedly communicates with an oxygenation pipe, one end of the oxygenation pipe penetrates through the combustion cylinder, and a one-way valve is arranged on the oxygenation pipe; the hot water winding pipe is wound on the outer surface of the gas testing pipe; the problem that gas testing combustion heat source utilization is low due to the fact that gas testing combustion preheating and safety of underground gas production are insufficient is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas production technology field, concretely relates to a gas production wellhead device. BACKGROUND

[0002] Natural gas refers to the mixture of hydrocarbon and non-hydrocarbon gas naturally stored in stratum, and in petroleum geology, it usually refers to oilfield gas and gas field gas. It mainly exists in oilfield and gas field, and a small amount of it is out of coal seam. The main use of natural gas is as fuel, which can be used to manufacture carbon black, chemical products and liquefied petroleum gas. Propane and butane produced from natural gas are important raw materials for modern industry. At present, in order to further understand the quality of gas source when the underground natural gas is formally put into use, it is necessary to carry out gas production and gas production test work.

[0003] For example, the utility model discloses a shale gas well gas production wellhead device, including the processing box, the bottom wall fixed mounting of the processing box inner chamber has the heating box, the left side fixed mounting of the heating box has the air inlet pipe, the inside fixed mounting of the air inlet pipe has the fan. The shale gas well gas production wellhead device, through the air inlet pipe is placed in the wellhead that needs to produce gas, through the operation of the fan, the gas reaches the inside of the heating box along the air inlet pipe, through the operation of the hot air machine, the hot air generated through the hot air pipe reaches the inside of the drainage pipe, and the drainage is carried out through the air outlet hole on the drainage pipe, the contact with the gas production is increased, the temperature is improved, the preheating treatment is carried out, the post-period combustion treatment is facilitated, and the gas after heating reaches the inside of the combustion box through the connecting pipe and is combusted. At this time, the first valve is closed, the gas is prevented from being discharged from the air outlet pipe, and the purpose of high gas production efficiency is achieved.

[0004] In the above patent, the inventor thinks that the patent can meet the preheating effect of gas production combustion in use, but the heated gas is directly introduced into the combustion box, and the preheating and safety of the process are insufficient, which reduces the utilization rate of the gas production combustion heat source. UTILITY MODEL CONTENTS

[0005] Therefore, the utility model provides a gas production wellhead device to solve the problem of low utilization of gas production combustion heat source due to insufficient preheating and safety of gas production combustion in the prior art.

[0006] In order to achieve the above purpose, the utility model provides the following technical scheme:

[0007] A kind of gas testing gas production wellhead device, including tee pipe, the three ends of tee pipe are provided with gas production inlet pipe, gas production outlet pipe and gas testing pipe respectively, the one end of gas testing pipe is fixedly connected with combustion cylinder back to tee pipe, the outside of combustion cylinder is provided with water tank, the outer surface of gas testing pipe is provided with hot water coil, the two ends of hot water coil are connected with water tank, the outer surface of gas testing pipe is also provided with heating element.

[0008] Further, the tee pipe, gas production inlet pipe and gas production outlet pipe are all provided with gate valve.

[0009] Further, the tee pipe is provided with backfire.

[0010] Further, the top of combustion cylinder is fixedly connected with combustion exhaust pipe, and the combustion exhaust pipe penetrates the water tank.

[0011] Further, the top of combustion cylinder is fixedly connected with oxygen-increasing pipe, one end of the oxygen-increasing pipe penetrates the combustion cylinder, and a one-way valve is arranged on the oxygen-increasing pipe.

[0012] Further, the hot water coil is wound on the outer surface of the gas testing pipe, one end of the hot water coil is fixedly connected with the water tank, and the other end of the hot water coil is connected with a circulating pump through a pipeline, and the water inlet end of the circulating pump is fixedly connected with the water tank.

[0013] Further, a heat preservation pipe is fixedly arranged on the outer surface of the gas testing pipe, and the pipeline of the other end of the hot water coil penetrates the heat preservation pipe.

[0014] Further, a water taking pipe and a water supplementing pipe are fixedly connected with the side surface of the water tank.

[0015] Further, a temperature sensor and a liquid level gauge are fixedly connected with the outer surface of the water tank, and the detection ends of the temperature sensor and the liquid level gauge extend into the water tank.

[0016] The utility model has the following advantages:

[0017] The utility model discloses a water tank is arranged on the outside of combustion cylinder, and the water body in the water tank can be heated by the full combustion in the combustion cylinder, and the water body is moved in hot water coil by circulating pump, so that the gas testing pipe is in the suitable temperature gas guiding environment, and the effect of gas testing combustion is promoted, the electric heating tape can preheat the gas testing pipe, and when the heating water body cannot support the heating demand of the gas testing pipe, the electric heating tape can play a heating role, the hot water is used as the main heating mode of the gas testing pipe, so that the energy cost can be reduced, and the safety is high, and the water taking pipe arranged on the water tank can meet the water demand of the heating water body. BRIEF DESCRIPTION OF DRAWINGS

[0018] To more clearly illustrate the embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description are merely exemplary, and those skilled in the art can derive other embodiments based on the provided drawings without creative effort.

[0019] The structures, proportions, sizes, etc. illustrated in this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed herein, and are not intended to limit the implementation conditions of this utility model. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size, without affecting the effects and objectives that this utility model can produce, should still fall within the scope of the technical content disclosed in this utility model.

[0020] Figure 1 A plan perspective view of a gas testing and production wellhead device provided by this utility model;

[0021] Figure 2 Provided by this utility model Figure 1 Enlarged view of section A in the middle;

[0022] Figure 3 A plan perspective view of the water tank and combustion chamber provided by this utility model;

[0023] Figure 4 Provided by this utility model Figure 3 The front view.

[0024] In the diagram: 1. Tee pipe; 2. Gas inlet pipe; 3. Gas outlet pipe; 4. Test pipe; 5. Combustion cylinder; 6. Water tank; 7. Hot water coil; 8. Heating element; 9. Insulation pipe; 10. Combustion manifold; 11. Temperature sensor; 12. Level gauge; 13. Water intake pipe; 14. Water supply pipe; 15. Flashback device; 16. Circulation pump; 17. Aeration pipe. Detailed Implementation

[0025] The following specific embodiments illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0026] See also Figures 1-4The utility model provides a kind of gas testing and production wellhead device, including tee 1, tee 1 three ends are provided with gas production inlet pipe 2, gas production outlet pipe 3 and gas testing pipe 4 respectively, gas production inlet pipe 2 can be connected with the gas production port underground, gas production outlet pipe 3 can be connected with the gas production port of natural gas well, so that natural gas can be conveniently collected, gas testing pipe 4 can be used to transport gas production to the direction of gas testing.

[0027] Gate valve is arranged on tee 1, gas production inlet pipe 2 and gas production outlet pipe 3.

[0028] Gate valve can conveniently control the opening and closing of the pipe orifice of tee 1, gas production inlet pipe 2 and gas production outlet pipe 3, and the gate valve arranged on tee 1 is located at the end facing gas testing pipe 4.

[0029] A tempering device 15 is arranged on tee 1.

[0030] The tempering device 15 can prevent gas testing from burning back.

[0031] The end of gas testing pipe 4 away from tee 1 is fixedly connected with a combustion cylinder 5, the top of the combustion cylinder 5 is fixedly connected with a combustion exhaust pipe 10, and the combustion exhaust pipe 10 penetrates a water tank 6.

[0032] The combustion cylinder 5 can be provided with an ignition device for igniting combustible gas, and the gas testing pipe 4 can introduce gas into the combustion cylinder 5 for ignition, so that the combustion test of gas testing can be performed, and the combustion exhaust pipe 10 can meet the exhaust function of the combustion cylinder 5.

[0033] The top of the combustion cylinder 5 is fixedly connected with an oxygen-increasing pipe 17, one end of the oxygen-increasing pipe 17 penetrates the combustion cylinder 5, and a one-way valve is arranged on the oxygen-increasing pipe 17.

[0034] The oxygen-increasing pipe 17 can be externally connected with an air pump, and the air pump can press air into the oxygen-increasing pipe 17, so that the combustion of gas in the combustion cylinder 5 can be promoted, and the one-way valve can prevent backfire when the oxygen-increasing pipe 17 transports air.

[0035] The outer side of the combustion cylinder 5 is provided with the water tank 6.

[0036] When the gas in the combustion cylinder 5 is combusted, the heat generated by combustion can be conducted to the water in the water tank 6, so that the water can be heated, the water tank 6 can be insulated in the utility model, and a safety valve can be arranged on the water tank 6 to improve the safety of heating.

[0037] A water taking pipe 13 and a water supplementing pipe 14 are fixedly connected to the side of the water tank 6.

[0038] The water supplementing pipe 14 can be externally connected with a water pump, and when the liquid level in the water tank 6 is reduced, the water pump can supplement water in time, and a faucet can be arranged on the water supplementing pipe 14, so that the heated water in the water tank 6 can be conveniently used.

[0039] The outer surface of the water tank 6 is fixedly connected with a temperature sensor 11 and a liquid level gauge 12, and the detection ends of the temperature sensor 11 and the liquid level gauge 12 extend into the water tank 6.

[0040] The temperature sensor 11 is used for detecting the water temperature in the water tank 6, and when the water temperature is low, the heating element 8 can be used for heating; the liquid level gauge 12 is used for detecting the liquid level of the water in the water tank 6, and when the liquid level is low, the water supplement pipe 14 can be supplemented with water by an external water pump; in the application, the temperature sensor 11 and the liquid level gauge 12 are electrically connected with a controller, and then the water pump connected with the water supplement pipe 14, the circulating pump 16 and the electric heat tracing band are automatically controlled by the controller; the control circuit of the controller can be realized by simple programming of the person skilled in the art, and the power supply also belongs to the common knowledge in the art.

[0041] The outer surface of the gas testing pipe 4 is provided with a hot water coil 7, the two ends of the hot water coil 7 are connected with the water tank 6, the hot water coil 7 is wound on the outer surface of the gas testing pipe 4, one end of the hot water coil 7 is fixedly and communicatively arranged with the water tank 6, and the other end of the hot water coil 7 is connected with the circulating pump 16 through a pipeline, and the water inlet end of the circulating pump 16 is fixedly and communicatively arranged with the water tank 6.

[0042] When the water in the water tank 6 is heated to a certain temperature, the circulating pump 16 can control the water to circulate in the hot water coil 7, and since the hot water coil 7 is arranged around the gas testing pipe 4, the gas testing pipe 4 can be conveniently heated, that is, the gas flowing in the gas testing pipe 4 can be heated, so that the effect of the test combustion can be improved.

[0043] The outer surface of the gas testing pipe 4 is fixedly arranged with a heat preservation pipe 9, and the pipeline of the other end of the hot water coil 7 penetrates through the heat preservation pipe 9.

[0044] The heat preservation pipe 9 can play a heat preservation role on the outer side of the gas testing pipe 4 and improve the heat preservation performance of the hot water coil 7.

[0045] The outer surface of the gas testing pipe 4 is also provided with a heating element 8, and the heating element includes an electric heat tracing band, and the electric heat tracing band is wound on the outer surface of the gas testing pipe 4.

[0046] The electric heat tracing band has the effects of fast temperature rise and large area, and the electric heat tracing band can conveniently preheat the gas testing pipe 4, and when the water in the water tank 6 meets the heating demand of the gas testing pipe 4, the electric heat tracing band stops working, since the water tank 6 is the main heating structure of the gas testing pipe 4, so that the utilization rate of the test combustion heat source can be improved, and the cost can be reduced.

[0047] Although the utility model has been described in detail above with general description and specific embodiments, some modifications or improvements can be made on the basis of the utility model, which is obvious to the person skilled in the art. Therefore, these modifications or improvements made on the basis of not deviating from the spirit of the utility model all belong to the scope of protection required by the utility model.

Claims

1. A gas testing and production wellhead apparatus, characterized by, The utility model provides a kind of gas production test device, including three-way pipe (1), the three ends of the three-way pipe (1) are respectively provided with gas production inlet pipe (2), gas production outlet pipe (3) and gas production test pipe (4), the gas production test pipe (4) is fixedly connected with combustion cylinder (5) to the end of the three-way pipe (1) back, the outer side of the combustion cylinder (5) is provided with water tank (6), the outer surface of the gas production test pipe (4) is provided with hot water coil (7), the two ends of the hot water coil (7) are connected with the water tank (6), the outer surface of the gas production test pipe (4) is also provided with heating element (8).

2. A gas testing and production wellhead apparatus according to claim 1, wherein, The three-way pipe (1), gas production inlet pipe (2) and gas production outlet pipe (3) are all provided with gate valve.

3. The gas testing and production wellhead apparatus of claim 1, wherein, The three-way pipe (1) is provided with tempering device (15).

4. The gas testing and production wellhead apparatus of claim 1, wherein, The top of the combustion cylinder (5) is fixedly connected with combustion exhaust pipe (10), and the combustion exhaust pipe (10) penetrates the water tank (6).

5. The gas testing and production wellhead apparatus of claim 1, wherein, The top of the combustion cylinder (5) is fixedly connected with oxygen-increasing pipe (17), one end of the oxygen-increasing pipe (17) penetrates the combustion cylinder (5), and the oxygen-increasing pipe (17) is provided with one-way valve.

6. A gas testing and production wellhead apparatus as defined in claim 1 wherein, The hot water coil (7) is wound on the outer surface of the gas production test pipe (4), one end of the hot water coil (7) is fixedly connected with the water tank (6), and the other end of the hot water coil (7) is connected with circulating pump (16) through pipeline.

7. A gas testing and production wellhead apparatus as defined in claim 6 wherein, The outer surface of the gas production test pipe (4) is fixedly provided with heat preservation pipe (9), and the pipeline of the other end of the hot water coil (7) penetrates the heat preservation pipe (9).

8. A gas testing and production wellhead apparatus as defined in claim 1 wherein, The heating element includes electric heat tracing band, and the electric heat tracing band is wound on the outer surface of the gas production test pipe (4).

9. The gas testing and production wellhead apparatus of claim 1, wherein, The side of the water tank (6) is fixedly connected with water taking pipe (13) and water supplementing pipe (14).

10. The gas testing and production wellhead apparatus of claim 1, wherein, The outer surface of the water tank (6) is fixedly connected with temperature sensor (11) and liquid level meter (12), and the detection end of the temperature sensor (11) and the liquid level meter (12) extends into the water tank (6).

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