CN202144943U - Liquid nitrogen pump skid - Google Patents
Liquid nitrogen pump skid Download PDFInfo
- Publication number
- CN202144943U CN202144943U CN 201120262733 CN201120262733U CN202144943U CN 202144943 U CN202144943 U CN 202144943U CN 201120262733 CN201120262733 CN 201120262733 CN 201120262733 U CN201120262733 U CN 201120262733U CN 202144943 U CN202144943 U CN 202144943U
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- liquid nitrogen
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- plunger pump
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Abstract
The utility model relates to a liquid nitrogen pump skid, in particular to a 180K liquid nitrogen pump skid, belonging to the field of oil field liquid nitrogen field operation equipment. The liquid nitrogen pump skid comprises an engine arranged in a skid fame, a transfer case, a liquid nitrogen plunger pump, a heat recovery type evaporator, a heat exchange system, a liquid nitrogen inhalation low-pressure manifold system, a nitrogen discharging high-pressure manifold system, an electric control system, a hydraulic system and a lubricating system, wherein the transfer case which is connected with the rear part of the engine is provided with three force withdrawing ports, the three force withdrawing ports are respectively connected with a water brake and two hydraulic pumps, one hydraulic pump is connected with a motor of the liquid nitrogen plunger pump, the other hydraulic pump is connected with the hydraulic system and the lubricating system, the heat exchange system is connected with the engine, the hydraulic system and the lubricating system, and the electric control system is connected with each detecting and controlling unit. The liquid nitrogen pump skid can be widely used for borehole operation such as liquid discharging after compression, dredging by means of sand wash, acidifying, pressure testing and the like of the low-pressure and low-yield gas well and deep well.
Description
Technical field
The utility model relates to a kind of liquid nitrogen pump sledge, relates in particular to a kind of 180K liquid nitrogen pump sledge, belongs to oil field liquid nitrogen construction operation apparatus field.
Background technique
In the modern petroleum industry, the nitrogen technology fast development makes many links that it is widely used in producing, and compares with conventional method, utilizes nitrogen that oil well, oil reservoir are handled, have safely, save time, fast, characteristics of high efficiency, and success rate is high.He is not only applicable to conventional oil reservoir, in particular oils gas reservoirs such as low pressure, hypotonic, clay gluing, original effect is arranged also.Low based on density of nitrogen, good stability, squeezable characteristics, it is having a wide range of applications aspect raising recovery rate, drilling well, perforation, well stimulation, the well workover.
In recent years, along with the demand of domestic petroleum and rock gas constantly increases, gas production drainage equipment demand is increasing, and technology such as 360K liquid nitrogen pump sledge and 800K liquid nitrogen pump vehicle reach its maturity.For satisfying the market special requirement, the liquid nitrogen pump equipment of developing little discharge capacity is imperative.
The model utility content
The utility model provides a kind of 180K liquid nitrogen pump sledge to the deficiency of existing technology.
The technological scheme that the utility model solves the problems of the technologies described above is following: a kind of liquid nitrogen pump sledge; Comprise that the motor, transfer case, liquid nitrogen plunger pump, heat reclamation type vaporizer, heat-exchange system, the liquid nitrogen that are installed in the sledge frame suck that low-pressure manifold system, nitrogen discharge the high pressure pipe joint system, electric and control system, hydraulic system, lubrication system are formed; It is characterized in that the back-connected transfer case of motor; Transfer case has three power taking mouths; Connect a hydromatic brake and two oil hydraulic pumps respectively, one of them oil hydraulic pump connects the motor of liquid nitrogen plunger pump, and another oil hydraulic pump connects hydraulic system and lubrication system; Heat-exchange system connects motor, hydraulic system and lubrication system, and electric each detects and control unit with the control system connected system.
The beneficial effect of the utility model is: the utility model belongs to the liquid nitrogen pump of little discharge capacity, can be widely used in underground work such as discharge opeing after the pressure of low-voltage and low-yield gas well, deep-well, sand washing de-plugging, acidifying, pressure testing.
On the basis of technique scheme, the utility model can also be done following improvement.
Further make described liquid nitrogen suck the low-pressure manifold system and connect the liquid nitrogen plunger pump through Subzero valve.
Further making described liquid nitrogen plunger pump is three-cylinder plunger pump, and plunger pump is driven by oil hydraulic motor
Moving.Further make the outer survey of described sledge frame that fire extinguisher and integrated type straight pipe-line support etc. also are installed.
Further make described liquid nitrogen suck the low-pressure manifold system and also connect the liquid nitrogen suction booster.
Further be connected with the heat reclamation type vaporizer, connect nitrogen then and discharge the high pressure pipe joint system at described liquid nitrogen plunger pump.
Further make described nitrogen discharge the high pressure pipe joint system and connect one-way valve, and then connect the stopcock composition that surges by Highpressure Tee.
The outstanding effect of the utility model: 180K type liquid nitrogen pump sled is gas collection, liquid, electrical integrated; The job that requires special skills device that automaticity is very high; Can annotate and change liquid nitrogen in short term stored under the low-pressure state and transportation, pump, and can convert the low pressure liquid nitrogen into high pressure nitrogen output.This sledge gross mass: 9000kg; Discharge nitrogen temperature under pressure maximum and the discharge capacity: 15 ℃-21 ℃; Maximum nitrogen discharge capacity: 180KSCFH (84.9m3/min); Maximum operating pressure: 10000PSI (69MPa).The utility model 180K liquid nitrogen pump sledge, discharge capacity is little, can be widely used in underground work such as discharge opeing after the pressure of low-voltage and low-yield gas well, deep-well, sand washing de-plugging, acidifying, pressure testing.
Description of drawings
Fig. 1 is the stereogram of a kind of liquid nitrogen pump sledge of the utility model;
Fig. 2 is the side view of a kind of liquid nitrogen pump sledge of the utility model.
Embodiment
Below in conjunction with accompanying drawing the principle and the characteristic of the utility model are described, institute gives an actual example and only is used to explain the utility model, is not the scope that is used to limit the utility model.
A kind of liquid nitrogen pump sledge of the utility model (referring to Fig. 1, Fig. 2), critical piece comprises: motor 2, transfer case 3, hydraulic system 4, liquid nitrogen suck low-pressure manifold system 5, electric and control system 6, lubrication system 7, nitrogen are discharged high pressure pipe joint system 8, liquid nitrogen plunger pump 9, heat reclamation type vaporizer 10, heat-exchange system 11.The equal mounting arrangements of its each parts constitutes an integral body in a sledge frame 1.
By external liquid nitrogen container liquid nitrogen is provided, liquid nitrogen gets into the liquid nitrogen pump sledge by the import that liquid nitrogen sucks low-pressure manifold 5, finally gets into the suction port of liquid nitrogen three cylinder liquid nitrogen plunger pumps 9 through a series of Subzero valve control liquid nitrogen.Liquid nitrogen plunger pump 9 is by fluid motor-driven; After 9 runnings of liquid nitrogen plunger pump; Through the liquid nitrogen suction booster, the low-temp low-pressure liquid nitrogen is pressurized to high-pressure liquid nitrogen through cold junction, high pressure low temperature liquid nitrogen becomes normal temperature high voltage nitrogen after 10 heating of heat reclamation type vaporizer; Discharging high pressure pipe joint system 8 (Highpressure Tee connects one-way valve, and then connects the stopcock that surges) through nitrogen then discharges.The required heat of liquid nitrogen gasification is that heat reclamation type vaporizer 10 utilizes the exchange heat principle in this process, obtains through the heat that each system of heat-exchange system 11 absorption equipments produces.The used heat that heat produces from equipment motor 2, hydraulic system 4, lubrication system 7, then through heat-exchange system 11 with the heat absorption of each several part to cooling liquid; When the liquid nitrogen discharge capacity is big, need more heat evaporation liquid nitrogen, be to utilize hydromatic brake resistance to be provided for motor 2 at this moment, increase the output power of motor and produce more heat.
On above-mentioned liquid nitrogen pump sledge, can also fire extinguisher and integrated type straight pipe-line support etc. also be installed in the outer survey of sledge frame.
It is electric that each detects and control unit with control system 6 connected systems.Operation panel is provided with complete operations necessary and Monitoring and Controlling instrument, adopts stainless steel integrated panel, Chinese and English contrast etching label, and concentrate demonstration all operations necessary parameter and work parameters.
The above is merely the preferred embodiment of the utility model, and is in order to restriction the utility model, not all within the spirit and principle of the utility model, any modification of being done, is equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (7)
1. liquid nitrogen pump sledge; Comprise that the motor, transfer case, liquid nitrogen plunger pump, heat reclamation type vaporizer, heat-exchange system, the liquid nitrogen that are installed in the sledge frame suck that low-pressure manifold system, nitrogen discharge the high pressure pipe joint system, electric and control system, hydraulic system, lubrication system are formed; It is characterized in that the back-connected transfer case of motor; Transfer case has three power taking mouths; Connect a hydromatic brake and two oil hydraulic pumps respectively, one of them oil hydraulic pump connects the motor of liquid nitrogen plunger pump, and another oil hydraulic pump connects hydraulic system and lubrication system; Heat-exchange system connects motor, hydraulic system and lubrication system, and electric each detects and control unit with the control system connected system.
2. liquid nitrogen pump sledge according to claim 1 is characterized in that described liquid nitrogen sucks the low-pressure manifold system and connects the liquid nitrogen plunger pump through Subzero valve.
3. liquid nitrogen pump sledge according to claim 1 it is characterized in that described liquid nitrogen plunger pump is a three-cylinder plunger pump, and plunger pump is by fluid motor-driven.
4. liquid nitrogen pump sledge according to claim 1 is characterized in that in the outer survey of sledge frame fire extinguisher and integrated type straight pipe-line support etc. being installed also.
5. liquid nitrogen pump sledge according to claim 2 is characterized in that described liquid nitrogen sucks the low-pressure manifold system and also connects the liquid nitrogen suction booster.
6. liquid nitrogen pump sledge according to claim 3 is characterized in that described liquid nitrogen plunger pump is connected with the heat reclamation type vaporizer, connects nitrogen then and discharges the high pressure pipe joint system.
7. liquid nitrogen pump sledge according to claim 6 is characterized in that it is by Highpressure Tee connection one-way valve that described nitrogen is discharged the high pressure pipe joint system, and then connects the stopcock composition that surges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120262733 CN202144943U (en) | 2011-07-25 | 2011-07-25 | Liquid nitrogen pump skid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120262733 CN202144943U (en) | 2011-07-25 | 2011-07-25 | Liquid nitrogen pump skid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202144943U true CN202144943U (en) | 2012-02-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120262733 Expired - Fee Related CN202144943U (en) | 2011-07-25 | 2011-07-25 | Liquid nitrogen pump skid |
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| CN (1) | CN202144943U (en) |
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