CN216240585U - Be applicable to high temperature high pressure gas injection equipment - Google Patents
Be applicable to high temperature high pressure gas injection equipment Download PDFInfo
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- CN216240585U CN216240585U CN202122741652.9U CN202122741652U CN216240585U CN 216240585 U CN216240585 U CN 216240585U CN 202122741652 U CN202122741652 U CN 202122741652U CN 216240585 U CN216240585 U CN 216240585U
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Abstract
The utility model relates to the technical field of gas injection wells in oil fields, in particular to a high-temperature and high-pressure gas injection device which comprises a hydraulic system, a booster pump and a hydraulic cooling system, wherein a gas inlet of the booster pump is externally connected with a gas cylinder, a gas outlet of the booster pump extends into a shaft, and the booster pump is electrically connected with the hydraulic system through a circuit; the hydraulic system consists of a motor, a power distribution cabinet, a hydraulic oil tank, a plunger pump, an oil pressure gauge, an electromagnetic directional valve, a liquid level meter and a pressure regulating valve, and the hydraulic oil tank is connected with the hydraulic cooling system; this gas injection equipment drives hydraulic system work through the motor and converts hydraulic oil mechanical energy into pressure energy and drives the plunger pump, will treat that the gas injection body passes through pipeline and booster pump entry linkage, makes gaseous satisfying oil field gas injection well group pressure requirement through booster pump pressure boost process, carries out the water cooling through hydraulic cooling system to equipment, makes equipment can satisfy high temperature environment's construction operation.
Description
Technical Field
The utility model relates to the technical field of gas injection of an oil field gas injection well, in particular to high-temperature high-pressure gas injection equipment.
Background
Various gas flooding technologies are developed from the middle and later stages of oil and gas exploitation, including natural gas flooding, carbon dioxide flooding, nitrogen foam flooding, steam flooding and the like. The gas drive has wide development range and high investment, and needs the gas tracing technology between wells to provide corresponding data in the aspects of measure formulation and effect evaluation. Because parameters such as the well spacing, the oil layer thickness, the porosity, the permeability, the background concentration and the like of the gas drive well group are different, the demand of each well on the gas tracer is also different.
At present, in the field of tracing among oil field gas wells, no set of injection equipment suitable for injecting a gas tracer is available, an oil field gas injection well group generally belongs to a high-pressure well group, and the pressure of a gas injection well is high. The construction environment of the Tuhai oil field is generally carried out in the Gobi desert due to the influence of the geographical environment of the Tuhai oil field, the surface temperature of the Gobi desert can reach 50-70 ℃ in summer, and the existing injection equipment cannot well solve the problem of injection of high-temperature and high-pressure gas agents of the oil field.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides a high-temperature high-pressure gas injection device.
In order to achieve the above object, the present invention adopts the following technical solutions:
a high-temperature and high-pressure gas injection device comprises a hydraulic system, a booster pump and a hydraulic cooling system, wherein a gas inlet of the booster pump is externally connected with a gas cylinder, a gas outlet of the booster pump extends into a shaft, and the booster pump is electrically connected with the hydraulic system through a circuit;
the hydraulic system consists of a motor, a power distribution cabinet, a hydraulic oil tank, a plunger pump, an oil pressure gauge, an electromagnetic directional valve, a liquid level meter and a pressure regulating valve, wherein the hydraulic oil tank is connected with the hydraulic cooling system.
Preferably, the hydraulic cooling system comprises an oil well pump, an inlet pipe, an outlet pipe and a cooling water tank, wherein the inlet pipe and the outlet pipe are respectively connected to the left end and the right end of the cooling water tank; the inlet pipe is connected with the outlet pipe through a connecting pipe, the inlet pipe extends out of one end of the cooling water tank and is provided with an oil well pump, and finally the inlet pipe is connected with the left side of the hydraulic oil tank, and the outlet pipe extends out of one end of the cooling water tank and is connected with the right side of the hydraulic oil tank.
Preferably, the connecting pipe has an overall shape of a spiral, and the connecting pipe is wound around the cooling pipe.
Preferably, the outer surfaces of the inlet pipe, the outlet pipe and the connecting pipe are coated with anticorrosive layers.
Preferably, the hydraulic system is electrically connected with a 380V three-phase four-wire power supply.
Due to the adoption of the technical scheme, the utility model has the beneficial effects that:
the utility model is suitable for the high-temperature high-pressure gas injection equipment and consists of a hydraulic driving system, a booster pump and a hydraulic cooling system; the motor drives the hydraulic system to work to convert the mechanical energy of hydraulic oil into pressure energy to drive the plunger pump, a body to be injected is connected with an inlet of a booster pump through a pipeline, gas meets the pressure requirement of an oil field gas injection well group through the boosting process of the booster pump, and equipment is cooled by a set of hydraulic cooling system; at present, the test is carried out in the Tuha oil field, the gas injection work of a 10-hole gas injection well group is completed, the working pressure can reach 45 MPa, and the method can be suitable for the high-temperature weather operation of the Gobi desert.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only for the present invention and protect some embodiments, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view showing the connection of the integral parts of the high temperature and high pressure gas injection apparatus according to the present invention;
FIG. 2 is a schematic structural diagram of a cooling system for a high-temperature high-pressure gas injection apparatus according to the present invention;
in the figure: the system comprises a gas cylinder 1, a gas inlet 2, a booster pump 3, a gas outlet 4, a shaft 5, a line 6, a hydraulic system 7, hydraulic oil 701, an oil-well pump 8, an inlet pipe 9, an inlet pipe 10, a cooling water tank 11, an inlet pipe 12, a valve 13, a connecting pipe 14 and a cooling pipe 15.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.
Example 1
A high-temperature and high-pressure gas injection device comprises a hydraulic system 7, a booster pump 3 and a hydraulic cooling system, wherein a gas inlet 2 of the booster pump 3 is externally connected with a gas cylinder 1, a gas outlet 4 of the booster pump 3 extends into a shaft 5, and the booster pump 3 is electrically connected with the hydraulic system 7 through a circuit 6;
the hydraulic system is composed of a motor, a power distribution cabinet, a hydraulic oil tank 701, a plunger pump, an oil pressure gauge, an electromagnetic directional valve, a liquid level meter and a pressure regulating valve, wherein the hydraulic oil tank 701 is connected with a hydraulic cooling system.
The hydraulic cooling system comprises an oil well pump 8, an inlet pipe 9, an outlet pipe 10 and a cooling water tank 11, wherein the inlet pipe 9 and the outlet pipe 10 are respectively connected to the left end and the right end of the cooling water tank 11, a cooling pipe 15 is arranged in the cooling water tank 11, a water inlet pipe 12 is arranged in the middle of the upper end of the cooling water tank, and a valve 13 is arranged on the water inlet pipe 12; import and be connected with connecting pipe 14 between 9 and the outlet pipe 10, import pipe 9 stretches out 11 one end of cooling water tank and installs oil-well pump 8, finally is connected with hydraulic tank 701 left side, and outlet pipe 10 stretches out 11 one end of cooling water tank and is connected with hydraulic tank 701 right side, is convenient for utilize the heat-conduction diffusion mode to cool off hydraulic oil, and inside the hydraulic tank was sent into to hydraulic oil after will cooling, reached the cooling effect.
The connecting pipe 14 has a spiral shape, and the connecting pipe 14 surrounds the cooling pipe 15, so as to increase the temperature of the hydraulic oil for sufficient cooling.
The outer surfaces of the inlet pipe 9, the outlet pipe 10 and the connecting pipe 14 are coated with anticorrosive coatings, so that the inlet pipe 9, the outlet pipe 10 and the connecting pipe 14 are protected, and the service life of the connecting pipe is prolonged.
The hydraulic system is electrically connected with a 380V three-phase four-wire power supply, so that a worker can conveniently operate the high-temperature high-pressure gas injection equipment.
The working mode suitable for the high-temperature high-pressure gas injection equipment is as follows:
the high-temperature high-pressure gas injection equipment consists of a hydraulic system 7, a booster pump 3 and a hydraulic cooling system. The external 380V power supply drives a hydraulic system to work, and the hydraulic system consists of a motor, a power distribution cabinet, a hydraulic oil tank, a plunger pump, an oil pressure gauge, an electromagnetic directional valve, a liquid level meter and a pressure regulating valve; the oil inlet and outlet quantity, oil pressure and direction of the hydraulic oil are controlled by a hydraulic system 7, so that the hydraulic oil is mixed with the oil in a ratio of 1: 4, the transmission pressure enters a gas plunger pump to reciprocate, the output pressure of a gas booster pump 3 is controlled by hydraulic oil pressure, low-pressure gas externally connected with a gas cylinder 1 enters the booster pump 3 through a gas inlet 2, the pressure of the low-pressure gas is increased to meet the construction requirement of an oil field gas injection well group through the boosting process of the booster pump 3, and high-pressure gas is injected into a shaft 5 through a gas outlet 4 to complete the injection of the gas;
the hydraulic cooling system is composed of an oil well pump 8, an inlet pipe 9, an outlet pipe 10 and a cooling water tank 11, and the output efficiency of the booster pump 3 is influenced because the hydraulic oil performance of the hydraulic system 7 is influenced by the field high-temperature construction environment of the oil field and the continuous operation of equipment, and the temperature of the hydraulic oil exceeds the maximum working temperature.
The cooling efficiency of the common mechanical cooling mode is poor, particularly, high-temperature operation of the gobi desert in summer is achieved, the hydraulic cooling system adopts the heat diffusion principle by utilizing the characteristic that the specific volume of water is small, the hydraulic oil tank 701 is connected through the inlet pipe 9, the outlet pipe 10 and the connecting pipe 14, high-temperature hydraulic oil enters the water cooling tank 11 through the inlet pipe 9 by utilizing certain pressure provided by the oil well pump 8, the hydraulic oil is cooled by utilizing the heat conduction diffusion mode, the cooled hydraulic oil is sent into the hydraulic oil tank 701 from the outlet pipe 10 again, and the cooling effect is achieved.
Motor, plunger pump, the booster pump that this patent adopted are the market, and its structure and control mode are prior art, no longer give unnecessary details in the description.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (5)
1. The utility model provides a be applicable to high temperature high pressure gas injection equipment, includes hydraulic system (7), booster pump (3), hydraulic cooling system, its characterized in that: the gas inlet (2) of the booster pump (3) is externally connected with a gas cylinder (1), the gas outlet (4) of the booster pump (3) extends into the shaft (5), and the booster pump (3) is electrically connected with the hydraulic system (7) through a circuit (6);
the hydraulic system is composed of a motor, a power distribution cabinet, a hydraulic oil tank (701), a plunger pump, an oil pressure gauge, an electromagnetic directional valve, a liquid level meter and a pressure regulating valve, wherein the hydraulic oil tank (701) is connected with a hydraulic cooling system.
2. The apparatus for injecting high-temperature and high-pressure gas as claimed in claim 1, wherein: the hydraulic cooling system comprises an oil well pump (8), an inlet pipe (9), an outlet pipe (10) and a cooling water tank (11), wherein the inlet pipe (9) and the outlet pipe (10) are respectively connected to the left end and the right end of the cooling water tank (11), a cooling pipe (15) is installed inside the cooling water tank (11), a water inlet pipe (12) is arranged in the middle of the upper end of the cooling water tank, and a valve (13) is installed on the water inlet pipe (12); the oil-well pump is characterized in that a connecting pipe (14) is connected between the inlet pipe (9) and the outlet pipe (10), one end, extending out of the cooling water tank (11), of the inlet pipe (9) is provided with an oil-well pump (8), and is finally connected with the left side of the hydraulic oil tank (701), and one end, extending out of the cooling water tank (11), of the outlet pipe (10) is connected with the right side of the hydraulic oil tank (701).
3. The apparatus for injecting high-temperature and high-pressure gas as claimed in claim 2, wherein: the connecting pipe (14) is spiral in overall shape, and the connecting pipe (14) is wound on the cooling pipe (15).
4. The apparatus for injecting high-temperature and high-pressure gas as claimed in claim 2, wherein: the outer surfaces of the inlet pipe (9), the outlet pipe (10) and the connecting pipe (14) are coated with anticorrosive layers.
5. The apparatus for injecting high-temperature and high-pressure gas as claimed in claim 1, wherein: the hydraulic system is electrically connected with a 380V three-phase four-wire power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122741652.9U CN216240585U (en) | 2021-11-10 | 2021-11-10 | Be applicable to high temperature high pressure gas injection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122741652.9U CN216240585U (en) | 2021-11-10 | 2021-11-10 | Be applicable to high temperature high pressure gas injection equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216240585U true CN216240585U (en) | 2022-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122741652.9U Active CN216240585U (en) | 2021-11-10 | 2021-11-10 | Be applicable to high temperature high pressure gas injection equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216240585U (en) |
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2021
- 2021-11-10 CN CN202122741652.9U patent/CN216240585U/en active Active
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