CN106438346A - Eccentric rotation swing mixture pump set oil-gas mixing transportation pressurization prying part and running method - Google Patents
Eccentric rotation swing mixture pump set oil-gas mixing transportation pressurization prying part and running method Download PDFInfo
- Publication number
- CN106438346A CN106438346A CN201610740102.6A CN201610740102A CN106438346A CN 106438346 A CN106438346 A CN 106438346A CN 201610740102 A CN201610740102 A CN 201610740102A CN 106438346 A CN106438346 A CN 106438346A
- Authority
- CN
- China
- Prior art keywords
- mixing pump
- motor
- group
- groups
- pump group
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C9/00—Oscillating-piston machines or pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
- F04C14/24—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves
Abstract
The invention discloses an eccentric rotation swing mixture pump set oil-gas mixing transportation pressurization prying part. On the basis of the pressurization prying part, a running method of different strategies is given; the pressurization prying part comprises an oil-gas mixing transportation pressurization system integrated on a prying frame. The system comprises at least one mixture pump set, an input pipeline led out of a wellhead is connected to the mixture pump set, substances conveyed by the input pipeline are treated through the mixture pump set and then are transported through an output pipeline, an inlet high-pressure protection electric valve, a filtering device, an inlet electric valve, an inlet valve and an inlet shockproof pressure gauge are sequentially arranged on the input pipeline, and an outlet one-way valve, an outlet valve, an outlet high-pressure protection electric valve and an outlet shockproof pressure gauge are sequentially arranged on the output pipeline. High-gas-oil-ratio multi-phase mixed transportation problems of crude oil and associated gas are solved, and single-pipeline long-distance pressurized mixing transportation of crude oil, natural gas, water, various sticky materials and solid particles is achieved.
Description
Technical field
The invention mainly relates to oil and gas multiphase flow technical field, relate to a kind of multiphase oil and gas multiphase flow supercharging device for well head
And utilize this device to carry out the operation method of oil and gas multiphase flow.
Background technology
China's oil field oil field gas resource is very abundant, and traditional closed gathering uses oil gas to divide defeated, i.e. uses centrifugal pump
Oil transportation, oil pipeline walked by oil；Compressor carries gas, walks gas pipeline.With maturation and the development of screw pump technology, some oil fields are amassed
Oil and gas multiphase flow technology is promoted in pole, and this technology does not needs a whole set of gas, liquid separation equipment, compressor apparatus and dedicated transport pipeline,
Utilize original collection transmission pipe network to realize oil and gas multiphase flow, effective pooling of resources, reduce oil and gas loss.Wherein, oil-gas mixed delivery pump is oil gas
Key equipment in multiphase technology, integrates the infusion function of oil transfer pump and the air delivery function of compressor.Current oil and gas multiphase flow
The mixing pump that device uses has single screw rod and double-screw oil gas mixing transmission pump, but single screw rod mixing delivery pump is higher than for gas-oil ratio
50m3/ t effect is unsatisfactory, and is not suitable with the operating mode that gas-oil ratio fluctuation range is big and pressure is high；Simultaneously double-screw oil-gas mixed
Defeated failure of pump is frequent, and maintenance cost is high.
Traditional oil gas combined transportation device be easily caused gathering line frozen block in winter, back pressure high and can not be normally-open；Take gas
Amount deficiency, abrasion is big, and maintenance cost is high；Associated gas outer row in a large number, causes environmental pollution；Labor strength is big, operating cost
High.Therefore, studying novel reliable multiphase oil and gas multiphase flow supercharging device is current urgent problem.
Content of the invention
For above-mentioned problems of the prior art, it is an object of the invention to, be petroleum industry well head oil and gas multiphase flow
A kind of multiphase oil and gas multiphase flow supercharging device and operation method are provided.The present invention is in order to solve the high gas-oil ratio (HGOR) of crude oil and associated gas
Multi-phase mixed delivering problem, it is achieved the distance supercharging of crude oil, natural gas and water, various viscous substance and the single pipeline of solid particle mixes
Defeated, have and reduce wellhead back pressure, the working condition improving deep well pump, the setting that booster station can be reduced, simplification execute-in-place and pipe
The significant advantages such as reason link and reduction construction investment.
In order to realize above-mentioned task, the present invention is by the following technical solutions：
A kind of eccentric rotary oscillation mixing pump group oil and gas multiphase flow supercharging sled, including the oil and gas multiphase flow supercharging being integrated in pry bracket
System, this system includes：Least one set mixing pump group, is connected to described mixing pump group, warp from the intake pipeline that well head is drawn
Cross mixing pump group to intake pipeline conveying come material process after, transported by export pipeline；In described input
On pipeline, along be disposed with near the direction of mixing pump group import high voltage protective motor-driven valve, filter, import motor-driven valve,
Imported valve and import shockproof pressure gage, be disposed with out along the direction away from mixing pump group on described export pipeline
Mouth check valve, outlet valve, outlet high voltage protective motor-driven valve and outlet shockproof pressure gage.
Further, being additionally provided with high pressure reflow device in described oil and gas multiphase flow pressure charging system, this device utilizes pipeline
One end is connected on the intake pipeline between import shockproof pressure gage and mixing pump group, and the other end is connected to outlet valve and outlet
On export pipeline between high voltage protective motor-driven valve；The liquid object that high pressure reflow device extraction unit in export pipeline is in charge of in line
Matter, and by this operative liquid material water conservancy diversion to intake pipeline.
Further, described high pressure reflow device includes the liquid storage array tube being integrated in fixed frame, liquid storage array
The closed at both ends of pipe, the angle axially and between underframe of liquid storage array tube is acute angle；Side surface upper part at liquid storage array tube connects
Being connected to mozzle, mozzle is connected on a drainage tube being arranged on above liquid storage array tube；The bottom of liquid storage array tube is even
Being connected to guide tube, one end of guide tube extends vertically into inside liquid storage array tube, and the end face stretching into one end is inclined-plane；Institute
The drainage tube one end stated is closed by end plate, and the other end is connected to the output between outlet valve and outlet high voltage protective motor-driven valve
On pipeline；Described guide tube is connected on the intake pipeline between import shockproof pressure gage and mixing pump group.
Further, the number of described liquid storage array tube is identical with the group number of mixing pump group；More than one storage is set
It during liquid array tube, is interconnected by communicating pipe between the side lower of these array tubes, and each array tube is each via one
Root mozzle is connected to drainage tube, and each array tube each arranges a guide tube.
Further, described filter arranges two groups, and each group of filter all includes the filter being sequentially connected with
Imported valve, filter and filter outlet valve, two set filters are arranged in parallel.
Further, it is provided with two groups of bypass lines, one group of bypass line between described intake pipeline and export pipeline
On bypass motor-driven valve is installed, another group bypass line on bypassing safety valve is installed；Bypass line one end be connected to well head with
On intake pipeline between import high voltage protective motor-driven valve, the other end is connected to outlet shockproof pressure gage and outlet high voltage protective electricity
On export pipeline between dynamic valve.
Further, described oil and gas multiphase flow pressure charging system also includes automatic control system, and automatic control system includes depending on
Secondary inlet flow rate transmitter, inlet pressure transmitter and the sled being arranged between import motor-driven valve and filter on export pipeline
Temperature transmitter, the export pipeline between outlet valve and outlet high voltage protective motor-driven valve is provided with outlet pressure pick-up
Device；
Automatic control system is provided with electric-motor drive unit, electric-motor drive unit is connected with signal processing unit,
Transfinite signaling control unit, motor-driven valve control unit, motor soft starter and timer, and wherein, signal processing unit connects
Motor-driven valve control unit and transfinite signaling control unit, the signaling control unit that transfinites is connected with input to transfinite attention device and output
Transfinite attention device；Motor-driven valve control unit and described bypass motor-driven valve, import high voltage protective motor-driven valve, outlet high voltage protective electricity
Dynamic valve, import motor-driven valve connect, signal processing unit and described inlet flow rate transmitter, inlet pressure transmitter, prying body temperature
Degree transmitter and outlet pressure transmitter connect；Described soft initiator is used on/off mixing pump group.
Further, described oil and gas multiphase flow pressure charging system is provided with heat tracing insulating system, and heat tracing insulating system includes twining
Be wound on intake pipeline, export pipeline powers on insulation belt and covers at the heat-insulation layer outside electricity insulation belt, and electricity insulation belt is by temperature
Degree control system is controlled.
Further, described mixing pump group is provided with three groups in pry bracket, and three groups are arranged in parallel, and each group right respectively
Answer an import motor-driven valve, imported valve, import shockproof pressure gage, Outlet check valves and outlet valve.
A kind of operation method of eccentric rotary oscillation mixing pump group oil and gas multiphase flow supercharging sled, including following several situation：
Situation 1：All low by the flow in inlet flow rate transmitter, inlet pressure transmitter monitoring intake pipeline, pressure
When the metered flow of single group mixing pump group, automatic control system is according to inlet flow rate transmitter, inlet pressure transmitter and goes out
The measured value of mouth pressure transmitter, automatically turns in three groups of mixing pump groups, the corresponding import motor-driven valve of first group of mixing pump group, and
Start this group mixing pump group；
Or according to the time cycle specified, open at intervals first group, the corresponding import of second group of mixing pump group electronic
Valve, and start this two groups of mixing pump groups；
Situation 2：When the flow in intake pipeline, pressure are abruptly above the metered flow of single group mixing pump group, open the
The corresponding import motor-driven valve of three groups of mixing pump groups simultaneously starts this group mixing pump group；Flow in intake pipeline, pressure fall after rise extremely
During less than single metered flow organizing mixing pump group, automatic control system closes the 3rd group of mixing pump group corresponding import motor-driven valve simultaneously
Close this mixing pump group；
Situation 3：When the flow in intake pipeline, pressure persistently organize the specified of mixing pump group higher than single within the time setting
During flow, open first group, the corresponding import motor-driven valve of second group of mixing pump group start this two groups of mixing pump groups simultaneously；
Situation 4：When the flow in intake pipeline, pressure are abruptly above the accumulated value constant flow of two groups of mixing pump groups, then
Keep the corresponding import motor-driven valve of three groups of mixing pump groups to open simultaneously, and keep this three groups of mixing pump groups to start；Work as intake pipeline
In flow, pressure is when returning the metered flow dropping lower than two groups of mixing pump groups, closes the 3rd group of corresponding import of mixing pump group
Motor-driven valve simultaneously cuts out this mixing pump group；
Situation 5：When the flow in intake pipeline, pressure are higher than the accumulated value constant flow of two groups of mixing pump groups, then simultaneously
Keep the corresponding import motor-driven valve of three groups of mixing pump groups to open, and keep this three groups of mixing pump groups to start；Meanwhile, automatically control
System processed utilizes the input attention device that transfinites to report to the police, to remind staff to carry out manual adjustment to well group yield；
Situation 6：Force value is mixed defeated higher than eccentric rotary oscillation in by outlet pressure transmitters monitor to export pipeline
During the design pressure value of pump group oil and gas multiphase flow supercharging sled, automatic control system utilizes the output attention device that transfinites to report to the police, closes
Import high voltage protective motor-driven valve, outlet high voltage protective motor-driven valve, close three groups of mixing pump groups and its corresponding import motor-driven valve,
Open bypass motor-driven valve, until hand inspection queueing problem.
The present invention compared with prior art has techniques below feature：
1. the present invention uses eccentric revolution multiphase mixed transportation technology, and the distance of the single pipeline that can be completely achieved oil-water-gas increases
Pressure is mixed defeated, and the condition without any restrictions to oil-gas ratio；
2. the present invention uses the eccentric rotary oscillation mixing pump group structure of parallel many groups, automatically controls according to well head output condition
The single group of system or the eccentric rotary oscillation mixing pump of many groups are run continuously, or interval is run continuously, thus ensure the high efficiency of pipeline even
Continuous mixed defeated；
3. the present invention uses heating tape holding mode, and heating tape continuous winding, on sled gut line and skid mounted equipment, controls
System can prevent gathering line in winter from freezing according to prying body temperature automatic control, it is ensured that line temperature maintenance work temperature；
4. can alleviate the present situation of well group high back pressure during the present invention produces in the winter time, reduce wellhead back pressure 0.3～0.6MP, carry
Rise well group crude oil temperature 3～5 DEG C, thus can also improving yield while reducing field management difficulty；
5. the present invention can be not required to set by any other effectively by the oil gas with regard to all oil well outputs near field
On the basis of standby, direct pressurizing mixed transportation；This apparatus structure is compact, it is simple to mobile, the little (10m of floor space2), it is not required to again plan
Land area, can install nearby at oil well site.
Brief description
Fig. 1 is the overall structure schematic diagram of the present invention；
Fig. 2 is the structural representation of high pressure reflow device；
Fig. 3 is the structural representation that the first guide tube stretches within liquid storage array tube；
Fig. 4 is the structural representation of control system；
In figure, label represents：
| Numbering | Part description | Numbering | Part description |
| 1 | Outlet shockproof pressure gage | 2 | Bypassing safety valve |
| 3 | Bypass motor-driven valve | 4 | Outlet high voltage protective motor-driven valve |
| 5 | Import high voltage protective motor-driven valve | 6 | Outlet pressure transmitter |
| 7 | First filter inlet valve | 8 | Second filter inlet valve |
| 9 | First filter | 10 | Second filter |
| 11 | First outlet valve | 12 | First filter outlet valve |
| 13 | Second filter outlet valve | 14 | First Outlet check valves |
| 15 | Inlet flow rate transmitter | 16 | First mixing pump group |
| 17 | Inlet pressure transmitter | 18 | High pressure reflow device |
| 19 | Prying body temperature transmitter | 20 | First import shockproof pressure gage |
| 21 | First imported valve | 22 | First import motor-driven valve |
| 23 | Second import shockproof pressure gage | 24 | Second imported valve |
| 25 | Second import motor-driven valve | 26 | Triple feed inlet shockproof pressure gage |
| 27 | Triple feed inlet valve | 28 | Triple feed inlet motor-driven valve |
| 29 | 3rd mixing pump group | 30 | Second mixing pump group |
| 31 | 3rd Outlet check valves | 32 | Second Outlet check valves |
| 33 | 3rd outlet valve | 34 | Second outlet valve |
| 35 | Heat tracing insulating system | 36 | Automatic control system |
| 181 | Liquid storage array tube | 182 | First guide tube |
| 183 | Second guide tube | 184 | Communicating pipe |
| 185 | 3rd guide tube | 186 | Fixed frame |
| 187 | End plate | 188 | Mozzle |
| 189 | Drainage tube |
Detailed description of the invention
Defer to technique scheme, as shown in Figures 1 to 4, the invention discloses a kind of eccentric rotary oscillation mixing pump group
Oil and gas multiphase flow supercharging is prized, including the oil and gas multiphase flow pressure charging system being integrated in pry bracket, this system includes：Least one set mixing pump
Group, is connected to described mixing pump group from the intake pipeline that well head is drawn, through the thing that intake pipeline conveying is come by mixing pump group
After matter carries out mixed defeated process, transported by export pipeline；On described intake pipeline, along the direction near mixing pump group
It is disposed with import high voltage protective motor-driven valve the 5th, filter, import motor-driven valve, imported valve and import shockproof pressure gage,
Described export pipeline is disposed with Outlet check valves, outlet valve, outlet high pressure along the direction away from mixing pump group
Protection motor-driven valve 4 and outlet shockproof pressure gage 1.
The whole system of the present invention uses the mode of skid, is fully integrated in a pry bracket, be conducive to overall installation,
Transport, layout and design, have the feature of highly integrated property.This overall supercharging sled that the present invention proposes, is with applicant's early stage
Achievement in research, entitled：" a kind of eccentric multinomial oil-gas mixed delivery pump of rotary oscillation ", Authorization Notice No. are the reality of CN202646001U
With carry out on the basis of new patent.That is, the mixing pump group mentioned in the present invention, is to be slowed down by fire-proof motor, horizontal helical gear
Case and this several major parts of the described multinomial oil-gas mixed delivery pump of eccentric rotary oscillation are constituted.Fire-proof motor is connected with reduction box,
Reduction box connects the rotating shaft of oil-gas mixed delivery pump by shaft coupling, drives oil-gas mixed delivery pump to rotate, and carries out pressurization to oily, gas mixed defeated.
The conveying material that the present invention is directed to, is the crude oil of just extraction from oil field shaft mouth, natural gas and water, various dope
Matter and solid particle, utilize mixing pump these materials are carried out pressurization mixed defeated after, carry out distance by single pipeline and mix defeated,
In order to follow-up separating treatment process.The basic structure of the present invention includes mixing pump group (hereinafter referred to as pump group), the number of pump group
Amount should be depending on oil well output.Draw intake pipeline from well head, be connected to the input of pump group, it would be desirable to mix defeated material and carry out
Pressurized treatments, then carries out long distance delivery from the output of pump group through export pipeline.Only pass through pump group, be to realize length
Distance is mixed defeated, is disposed with in this present invention on intake pipeline：
Import high voltage protective motor-driven valve 5, this motor-driven valve is for closing intake pipeline when export pipeline superpressure, anti-
Only more liquid enters into and causes bigger damage in pump group；
Filter, is primarily used to filter some large granular impurities in crude oil, prevents pipeline from blocking occur；This enforcement
In example, filter arranges two groups, and each group of filter all includes filter inlet valve (the first filter being sequentially connected with
Imported valve the 7th, the second filter inlet valve 8), filter (the first filter the 9th, the second filter 10) and filter outlet
Valve (the first filter outlet valve the 12nd, the second filter outlet valve 13), two set filters are arranged in parallel；Two groups of mistakes are set
The purpose of filter device is that filter needs periodic cleaning, when one group of needs cleaning, can first pass through another group and filter；
Imported valve therein, outlet valve are closed when maintenance, then pull down filter and are cleaned, change.
Import motor-driven valve, is whether the liquid in control pipeline enters into one of pump group control valve, uses electronic
Valve can automatically control, after import motor-driven valve is opened, it is allowed to the liquid in pipeline carries out pressurized treatments by pump group；By
Typically arranging many groups in pump group on a sled, each group of pump group has an import motor-driven valve, so can coordinate different pre-
First Provisioning Policy, is turned on and off some pump group, to adapt to current yield or reply high pressure, the operating mode of high flow capacity.Separately
Outward, controlled by import motor-driven valve, can realize control automation, make whole pump group can automatic, energy-conservation, run efficiently.
Imported valve is a hand-operated valve, closes in order to carry out manual pipeline when import motor-driven valve breaks down；
Import shockproof pressure gage, in order to monitor line pressure, prevents hypertonia from causing the damage of pump group.
The present invention is disposed with Outlet check valves, outlet valve along the direction away from mixing pump group on export pipeline
Door, outlet high voltage protective motor-driven valve 4 and outlet shockproof pressure gage 1, the wherein effect of Outlet check valves and import check valve class
Seemingly, it is used to close the two ends of its corresponding pump group, to realize switching between different pump group, unlatching, closedown etc.；Outlet valve
It is the same with the effect of imported valve, be used for maintenance process；Outlet shockproof pressure gage 1 is then corresponding with import shockproof pressure gage,
While monitoring pressure, may be used for positioning pipeline or pump group fault, in order to maintenance process.
Having used oil-gas mixed delivery pump due in the present invention, this pump is a kind of rotary eccentric positive displacement pump, uses bias in pump
Rotor structure, when oil-gas ratio is relatively low, can be brought rapidly up boosting, and in causing pump, temperature and pressure are too high；And eccentric rotor is in long-term work
During work, abrasion can inevitably occur, the material being especially currently entering in pump is with when based on gas.For understanding
Certainly this problem, is additionally provided with high pressure reflow device 18 in oil and gas multiphase flow pressure charging system in the present invention, and this device utilizes pipeline one
On the intake pipeline that end is connected between import shockproof pressure gage and mixing pump group, the other end is connected to outlet valve and outlet height
On export pipeline between pressure protection motor-driven valve 4；The liquid that high pressure reflow device 18 extraction unit in export pipeline is in charge of in line
Material, and by this operative liquid material water conservancy diversion to intake pipeline.
Material in intake pipeline has crude oil, natural gas and water, various thick substances and solid particle, liquid here
Material is crude oil therein and water.High pressure reflow device 18 utilizes pipeline that pump group passes through crude oil and the water of mixed defeated pressurization
Sub-fraction import to again the output of pump group, so can guarantee that no matter at the material either high oil gas of current well head extraction
Than still low oil-gas ratio, can make in oil-gas mixed delivery pump all the time with the presence of liquid, so can not only play to oil and gas multiphase flow
The lubrication cooling effect of pump, also can improve oil-gas ratio.
As shown in Figure 2 and Figure 3, the present invention show in particular the structural representation of a kind of high pressure reflow device 18, high pressure reflow
Device 18 includes the liquid storage array tube 181 being integrated in fixed frame 186, the closed at both ends of liquid storage array tube 181, liquid storage array
The angle axially and between underframe of pipe 181 is acute angle；Side surface upper part at liquid storage array tube 181 is connected with mozzle 188, leads
Flow tube 188 is connected on a drainage tube being arranged on above liquid storage array tube 181 189；Described drainage tube 189 one end is passed through
End plate 187 is closed, and the other end is connected on the export pipeline between outlet valve and outlet high voltage protective motor-driven valve 4.
High pressure reflow device 18 is monolithically integrated on a underframe, can be advantageously mounted on sled.Wherein mainly use and deposit
Storage crude oil be liquid storage array tube 181, this array tube is the hollow pipe of closed at both ends, and favour underframe arrange, with underframe it
Between angle be acute angle, and the angle of preferably less than 45 degree.So arrange and be beneficial to water conservancy diversion process.After the pressurization of pump group
On export pipeline, a drainage tube 189 is utilized to be incorporated into liquid in liquid storage array tube 181, in making liquid storage array tube 181
Liquid remain a certain amount.
The bottom of liquid storage array tube 181 is connected with guide tube, and one end of guide tube extends vertically into liquid storage array tube
181 is internal, and the end face stretching into one end is inclined-plane, and inclined-plane can increase into liquid level, it is simple to derives internal liquid；Guide tube
It is connected on the intake pipeline between import shockproof pressure gage and mixing pump group, so between intake pipeline and export pipeline just
There is a passage independent of pump group, the high pressure in export pipeline provides driving force for liquid, promotees to make it into
In high pressure reflow device 18, then return the entrance point of pump group, thus continuously crude oil is imported to oil-gas mixed delivery pump
In.Mixing pump is cooled by high pressure reflow device 18 when the few oily condition of high gas is run, thus ensure that mixing pump
Reliability service.
In general, in industrial application, arranging three groups of pump groups to I haven't seen you for ages, wherein two groups of rotations use, and another set is standby
With.In order to be shown more clearly by the effect of the present invention, the following description is as a example by three groups of pump groups, and mixing pump group is arranged in pry bracket
Having three groups (the first mixing pump group the 16th, the second mixing pump group 30 and the 3rd mixing pump groups 29), three groups are arranged in parallel, as it is shown in figure 1,
And each group of difference one import motor-driven valve of correspondence (the first import motor-driven valve the 22nd, the second import motor-driven valve 25 and triple feed inlet electricity
Dynamic valve 28), imported valve (the first imported valve the 21st, the second imported valve 24 and triple feed inlet valve 27), the shockproof pressure of import
Table (the first import shockproof pressure gage the 20th, the second import shockproof pressure gage 23 and triple feed inlet shockproof pressure gage 26), export unidirectional
Valve (the first Outlet check valves the 14th, the second Outlet check valves 32 and the 3rd Outlet check valves 31) and outlet valve (the first outlet
Valve, the second outlet valve 34 and the 3rd outlet valve 33).That is, intake pipeline is divided into three at the entrance point of pump group, each
On import motor-driven valve, imported valve and import shockproof pressure gage are each installed；And it is also classified into three pipelines at pump group output,
Respective installation outlet check valve (avoiding flowing backwards) and outlet valve.
The number of above-mentioned liquid storage array tube 181 is identical with the group number of mixing pump group；More than one liquid storage array is set
It during pipe 181, is interconnected by communicating pipe 184 between the side lower of these liquid storage array tubes 181, make multiple liquid storage array tube
Keep constant liquid level in 181, make each pump group entrance point can import liquid；And each array tube is each via one
Mozzle 188 is connected to drainage tube 189, and each array tube each arranges a guide tube (the first guide tube the 182nd,
Two guide tubes 183 and the 3rd guide tube 185), it is connected respectively to the input of a pump group.
As it is shown in figure 1, be provided with two groups of bypass lines between intake pipeline and export pipeline, one group of bypass line is installed
There is bypass motor-driven valve 3, another group bypass line is provided with bypassing safety valve 2；Bypass line one end is connected to well head and import
On intake pipeline between high voltage protective motor-driven valve 5, the other end is connected to outlet shockproof pressure gage 1 and outlet high voltage protective is electronic
On export pipeline between valve 4.Bypass motor-driven valve 3 and bypassing safety valve 2 are to break down in pump group, or efferent duct
When line, intake pipeline pressure exceed standard, in entering line pipe, material bypasses water conservancy diversion, and one of them passes through Electronic control, another one
Non-follow control.
In order to make the present invention in order, work efficiently, in this programme, oil and gas multiphase flow pressure charging system also include automatically controlling be
System 36, automatic control system 36 includes being sequentially arranged at the inlet flow rate on export pipeline between import motor-driven valve and filter
Transmitter 15 (sensor), inlet pressure transmitter 17 and prying body temperature transmitter 19, at outlet valve and outlet high voltage protective
Outlet pressure transmitter 6 is installed on the export pipeline between motor-driven valve 4；These sensors are all by the shielding line of high intensity even
Receive in the rack of automatic control system 36；
Automatic control system 36 is provided with electric-motor drive unit, electric-motor drive unit is connected with signal transacting list
Unit, the signaling control unit that transfinites, motor-driven valve control unit, motor soft starter and timer, wherein, signal processing unit is even
Connecing motor-driven valve control unit and transfiniting signaling control unit, the signaling control unit that transfinites is connected with input to transfinite attention device and defeated
Go out the attention device that transfinites；The 5th, motor-driven valve control unit exports high pressure with described bypass motor-driven valve the 3rd, import high voltage protective motor-driven valve and protects
Protect motor-driven valve the 4th, import motor-driven valve to connect, signal processing unit and described inlet flow rate transmitter the 15th, inlet pressure transmitter
17th, prying body temperature transmitter 19 (in order to monitor pipeline internal temperature) and outlet pressure transmitter 6 connect；Described soft initiator
For on/off mixing pump group, i.e. soft initiator is in order to start aforesaid fire-proof motor, to open pump group.
The operation principle of automatic control system 36 is as follows：
Signal processing unit is by inlet flow rate transmitter the 15th, inlet pressure transmitter the 17th, inlet pressure transmitter 17
Measured value, is analyzed with sled nominal designed value, single group data such as pump group metered flow, rated pressure, and result of calculation delivers to electricity
Machine driver element, motor-driven valve control unit, transfinite signal processing unit, opens corresponding motor-driven valve, and controls startup correspondence
Motor soft starter, start mixing pump；Timer can set the time, makes to organize mixing pump periodic intervals more and runs.Transfinite letter
Number control unit, can transfinite to input, or output overvoltage carries out acousto-optic warning, reminds operator to carry out manual operation, simultaneously
The normal work of protection sled.
The oil and gas multiphase flow pressure charging system of the present invention is provided with heat tracing insulating system 35, and heat tracing insulating system 35 includes being wrapped in
On intake pipeline, export pipeline, on all kinds of valve, on filter, on transmitter, in pump group, the electricity on high pressure reflow device 18
Insulation belt and covering are at the heat-insulation layer outside electricity insulation belt, and electricity insulation belt is controlled by temperature control system, makes supercharging
Sled is able to maintain that normal operating temperature in the winter time, thus ensure that the normal work that supercharging is prized.
The eccentric rotary oscillation mixing pump group oil and gas multiphase flow supercharging sled of the present invention processes oil gas total amount can be according to on-the-spot reality
Discharge capacity obtains after calculating, and generally follows：Theoretical displacement/actual displacement=1.2/1.Therefore, according to well head yield
Parameter and fluctuation range, select mixing pump group and the mixing pump group number of reasonable rated value.Solid respectively at pry bracket design attitude
The mixing pump group of Dingan County's dress respective numbers, high pressure reflow device the 18th, automatic control system 36 rack, use pipeline will organize mixed defeated more
Parallel connection of pumps connects.
The operation method of apparatus of the present invention is as follows：
A kind of operation method of eccentric rotary oscillation mixing pump group oil and gas multiphase flow supercharging sled, including following several situation：
Situation 1：Monitor the flow in intake pipeline, pressure by inlet flow rate transmitter the 15th, inlet pressure transmitter 17
When being below the metered flow singly organizing mixing pump group, automatic control system 36 becomes according to inlet flow rate transmitter the 15th, inlet pressure
Send device 17 and the measured value of outlet pressure transmitter 6, automatically turn in three groups of mixing pump groups, first group of mixing pump group corresponding enter
Mouth motor-driven valve, and start this group mixing pump group, when i.e. flow is less, it is only necessary to open one group of mixing pump group and be operated；
Or according to the time cycle specified, open at intervals first group, the corresponding import of second group of mixing pump group electronic
Valve, and start this two groups of mixing pump groups；This is a kind of mode more commonly used, i.e. two mixing pump groups according to the time of regulation,
It is spaced apart and start shipment row；3rd group of mixing pump group as first group, second group of maintenance when standby host, quit work at ordinary times.
Situation 2：When the flow in intake pipeline, pressure are abruptly above single metered flow organizing mixing pump group, automatically control
System 36 processed according to the measured value of inlet flow rate transmitter the 15th, inlet pressure transmitter 17 and outlet pressure transmitter 6, opens the
The corresponding import motor-driven valve of three groups of mixing pump groups simultaneously starts this group mixing pump group；Flow in intake pipeline, pressure fall after rise extremely
During less than single metered flow organizing mixing pump group, automatic control system 36 closes the 3rd group of mixing pump group corresponding import motor-driven valve
And close this mixing pump group；
Situation 3：When the flow in intake pipeline, pressure persistently organize the specified of mixing pump group higher than single within the time setting
During flow, automatic control system 36 is according to inlet flow rate transmitter the 15th, inlet pressure transmitter 17 and outlet pressure transmitter 6
Measured value, opens first group, the corresponding import motor-driven valve of second group of mixing pump group start this two groups of mixing pump groups simultaneously, makes this
Two groups of pump groups are run simultaneously；
Situation 4：When the flow in intake pipeline, pressure are abruptly above the accumulated value constant flow of two groups of mixing pump groups, then
Keep the corresponding import motor-driven valve of three groups of mixing pump groups to open simultaneously, and keep this three groups of mixing pump groups to start；Work as intake pipeline
In flow, pressure is when returning the metered flow dropping lower than two groups of mixing pump groups, closes the 3rd group of corresponding import of mixing pump group
Motor-driven valve simultaneously cuts out this mixing pump group；
Situation 5：When the flow in intake pipeline, pressure are higher than the accumulated value constant flow of two groups of mixing pump groups, automatically control
System 36 processed is according to the measured value of inlet flow rate transmitter the 15th, inlet pressure transmitter 17 and outlet pressure transmitter 6, then simultaneously
Keep the corresponding import motor-driven valve of three groups of mixing pump groups to open, and keep this three groups of mixing pump groups to start；Meanwhile, automatically control
System 36 processed utilizes the input attention device that transfinites to carry out sound and light alarm, to remind staff to carry out manual adjustment to well group yield,
Until well group yield fall back to this supercharging sled design discharge rated value in the range of after, be then turned on pump group；
Situation 6：Mix defeated when monitoring force value in export pipeline by outlet pressure transmitter 6 higher than eccentric rotary oscillation
During the design pressure value of pump group oil and gas multiphase flow supercharging sled, automatic control system 36 utilizes the output attention device that transfinites to carry out acousto-optic report
Alert, close import high voltage protective motor-driven valve and the 5th, export high voltage protective motor-driven valve 4, close three groups of mixing pump groups and its corresponding enter
Mouth motor-driven valve, opens bypass motor-driven valve 3, until hand inspection queueing problem.
Claims (10)
1. an eccentric rotary oscillation mixing pump group oil and gas multiphase flow supercharging sled, including the oil and gas multiphase flow supercharging system being integrated in pry bracket
System, it is characterised in that described oil and gas multiphase flow pressure charging system includes：Least one set mixing pump group, the input pipe drawn from well head
Line is connected to described mixing pump group, after the material that intake pipeline conveying comes is processed by mixing pump group, by output
Pipeline transports；It on described intake pipeline, is disposed with import high voltage protective electricity along the direction near mixing pump group
Dynamic valve (5), filter, import motor-driven valve, imported valve and import shockproof pressure gage, along far on described export pipeline
It is disposed with Outlet check valves, outlet valve, outlet high voltage protective motor-driven valve (4) and outlet from the direction of mixing pump group anti-
Shake Pressure gauge (1).
2. eccentric rotary oscillation mixing pump group oil and gas multiphase flow supercharging sled as claimed in claim 1, it is characterised in that described oil
Gas mixes and is additionally provided with high pressure reflow device (18) in defeated pressure charging system, and this device utilizes pipeline one end to be connected to the shockproof pressure of import
On intake pipeline between table and mixing pump group, the other end is connected between outlet valve and outlet high voltage protective motor-driven valve (4)
Export pipeline on；The liquid that high pressure reflow device (18) extraction unit in export pipeline is in charge of in line, and by this part
Liquid water conservancy diversion is on intake pipeline.
3. eccentric rotary oscillation mixing pump group oil and gas multiphase flow supercharging sled as claimed in claim 2, it is characterised in that described height
Pressure reflux (18) includes the liquid storage array tube (181) being integrated in fixed frame (186), the two of liquid storage array tube (181)
End seal is closed, and the angle axially and between underframe of liquid storage array tube (181) is acute angle；On the side of liquid storage array tube (181)
Portion is connected with mozzle (188), and mozzle (188) is connected to a drainage tube being arranged on liquid storage array tube (181) top
(189) on；The bottom of liquid storage array tube (181) is connected with guide tube, and one end of guide tube extends vertically into liquid storage array
Pipe (181) is internal, and the end face stretching into one end is inclined-plane；Described drainage tube (189) one end is closed by end plate (187), separately
One end is connected on the export pipeline between outlet valve and outlet high voltage protective motor-driven valve (4)；Described guide tube connects
To the intake pipeline between import shockproof pressure gage and mixing pump group..
4. eccentric rotary oscillation mixing pump group oil and gas multiphase flow supercharging sled as claimed in claim 3, it is characterised in that described
The number of liquid storage array tube (181) is identical with the group number of mixing pump group；When more than one liquid storage array tube (181) are set, this
Pass through to be interconnected communicating pipe (184) between the side lower of a little array tubes, and each array tube is each via a mozzle
(188) it is connected to drainage tube (189), each array tube each arranges a guide tube.
5. eccentric rotary oscillation mixing pump group oil and gas multiphase flow supercharging sled as claimed in claim 1, it is characterised in that described mistake
Filter device arranges two groups, and each group of filter all includes filter inlet valve, filter and the filter being sequentially connected with
Outlet valve, two set filters are arranged in parallel.
6. eccentric rotary oscillation mixing pump group oil and gas multiphase flow supercharging sled as claimed in claim 1, it is characterised in that described is defeated
Enter to be provided with between pipeline and export pipeline two groups of bypass lines, one group of bypass line is provided with bypass motor-driven valve (3), another
On group bypass line, bypassing safety valve (2) is installed；Bypass line one end is connected to well head and import high voltage protective motor-driven valve (5)
Between intake pipeline on, the other end be connected to export shockproof pressure gage (1) and export between high voltage protective motor-driven valve (4) defeated
Go out on pipeline.
7. eccentric rotary oscillation mixing pump group oil and gas multiphase flow supercharging sled as claimed in claim 1, it is characterised in that described oil
Gas mixes defeated pressure charging system and also includes automatic control system (36), and automatic control system (36) includes being sequentially arranged at import motor-driven valve
And the inlet flow rate transmitter (15) on export pipeline, inlet pressure transmitter (17) and prying body temperature pick-up between filter
Device (19), the export pipeline between outlet valve and outlet high voltage protective motor-driven valve (4) is provided with outlet pressure transmitter
(6)；
Automatic control system is provided with electric-motor drive unit in (36), electric-motor drive unit is connected with signal processing unit,
Transfinite signaling control unit, motor-driven valve control unit, motor soft starter and timer, and wherein, signal processing unit connects
Motor-driven valve control unit and transfinite signaling control unit, the signaling control unit that transfinites is connected with input to transfinite attention device and output
Transfinite attention device；Motor-driven valve control unit and described bypass motor-driven valve (3), import high voltage protective motor-driven valve (5), outlet high pressure
Protection motor-driven valve (4), import motor-driven valve connect, signal processing unit and described inlet flow rate transmitter (15), inlet pressure
Transmitter (17), prying body temperature transmitter (19) and outlet pressure transmitter (6) connect；Described soft initiator is used for starting/
Close mixing pump group.
8. eccentric rotary oscillation mixing pump group oil and gas multiphase flow supercharging sled as claimed in claim 1, it is characterised in that described oil
Gas mixes defeated pressure charging system and is provided with heat tracing insulating system (35), and heat tracing insulating system (35) includes being wrapped in intake pipeline, output
Pipeline powers on insulation belt and covering at the outside heat-insulation layer of electricity insulation belt, and electric insulation belt is controlled by temperature control system
System.
9. eccentric rotary oscillation mixing pump group oil and gas multiphase flow supercharging sled as claimed in claim 1, it is characterised in that described is mixed
Defeated pump group is provided with three groups in pry bracket, and three groups are arranged in parallel, and each group of difference correspondence one import motor-driven valve, inlet valve
Door, import shockproof pressure gage, Outlet check valves and outlet valve.
10. the operation method of an eccentric rotary oscillation mixing pump group oil and gas multiphase flow supercharging sled, it is characterised in that include following several
The situation of kind：
Situation 1：Monitor the flow in intake pipeline, pressure by inlet flow rate transmitter (15), inlet pressure transmitter (17)
When being below the metered flow singly organizing mixing pump group, automatic control system (36) is according to inlet flow rate transmitter (15), inlet-pressure
Power transmitter (17) and the measured value of outlet pressure transmitter (6), automatically turn in three groups of mixing pump groups, first group of mixing pump group
Corresponding import motor-driven valve, and start this group mixing pump group；
Or according to the time cycle specified, open first group, the corresponding import motor-driven valve of second group of mixing pump group at intervals, and
Start this two groups of mixing pump groups；
Situation 2：When the flow in intake pipeline, pressure are abruptly above single metered flow organizing mixing pump group, open the 3rd group
Mixing pump group corresponding import motor-driven valve simultaneously starts this group mixing pump group；Flow in intake pipeline, pressure return and drop lower than
When the metered flow of mixing pump group organized by list, automatic control system (36) closes the 3rd group of mixing pump group corresponding import motor-driven valve simultaneously
Close this mixing pump group；
Situation 3：When the flow in intake pipeline, pressure persistently organize the metered flow of mixing pump group within the time setting higher than list
When, open first group, the corresponding import motor-driven valve of second group of mixing pump group start this two groups of mixing pump groups simultaneously；
Situation 4：When the flow in intake pipeline, pressure are abruptly above the accumulated value constant flow of two groups of mixing pump groups, then simultaneously
Keep the corresponding import motor-driven valve of three groups of mixing pump groups to open, and keep this three groups of mixing pump groups to start；When in intake pipeline
When flow, pressure return the metered flow dropping lower than two groups of mixing pump groups, close the 3rd group of corresponding import of mixing pump group electronic
Valve simultaneously cuts out this mixing pump group；
Situation 5：When the flow in intake pipeline, pressure are higher than the accumulated value constant flow of two groups of mixing pump groups, then keep simultaneously
The corresponding import motor-driven valve of three groups of mixing pump groups is opened, and keeps this three groups of mixing pump groups to start；Meanwhile, automatically control and be
System (36) utilizes the input attention device that transfinites to report to the police, to remind staff to carry out manual adjustment to well group yield；
Situation 6：It is higher than eccentric rotary oscillation mixing pump when monitoring force value in export pipeline by outlet pressure transmitter (6)
During the design pressure value of group oil and gas multiphase flow supercharging sled, automatic control system (36) utilizes the output attention device that transfinites to report to the police, closes
Close import high voltage protective motor-driven valve (5), outlet high voltage protective motor-driven valve (4), close three groups of mixing pump groups and its corresponding enter
Mouth motor-driven valve, opens bypass motor-driven valve (3), until hand inspection queueing problem.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610740102.6A CN106438346B (en) | 2016-08-26 | 2016-08-26 | Eccentric rotary oscillation mixing pump group oil and gas multiphase flow supercharging sled and operation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610740102.6A CN106438346B (en) | 2016-08-26 | 2016-08-26 | Eccentric rotary oscillation mixing pump group oil and gas multiphase flow supercharging sled and operation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106438346A true CN106438346A (en) | 2017-02-22 |
| CN106438346B CN106438346B (en) | 2018-09-11 |
Family
ID=58182277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610740102.6A Active CN106438346B (en) | 2016-08-26 | 2016-08-26 | Eccentric rotary oscillation mixing pump group oil and gas multiphase flow supercharging sled and operation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106438346B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108006690A (en) * | 2017-12-30 | 2018-05-08 | 西安长庆科技工程有限责任公司 | A kind of oil field vertical heater associated gas combustion system and method |
| CN109915363A (en) * | 2019-04-02 | 2019-06-21 | 眭尔玉 | One kind is based on eccentric rotary oscillation multiphase oil-gas mixed delivery pump slide plate chamber oil gas high voltage relief device |
| CN114892761A (en) * | 2022-06-20 | 2022-08-12 | 重庆钢铁股份有限公司 | Method for replacing water taking equipment of water taking pump room on line |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201461399U (en) * | 2009-06-12 | 2010-05-12 | 天津泵业机械集团有限公司 | Skid-mounting system for multiphase pump |
| CN202646001U (en) * | 2012-06-01 | 2013-01-02 | 西安大漠石油能源科技工程有限公司 | Eccentric rotary oscillating multi-term oil-gas mixed conveying pump |
| CN204611345U (en) * | 2015-04-27 | 2015-09-02 | 大丰丰泰流体机械科技有限公司 | A kind of synchronous revolving oil gas combined transportation device |
| CN205013277U (en) * | 2015-09-30 | 2016-02-03 | 耐驰（兰州）泵业有限公司 | Heterogeneous thoughtlessly defeated device based on single -screw pump |
| CN206092393U (en) * | 2016-08-26 | 2017-04-12 | 西安大漠石油能源科技工程有限公司 | Eccentric gyration swing multiphase pump group oil gas is defeated pressure boost sled thoughtlessly |
-
2016
- 2016-08-26 CN CN201610740102.6A patent/CN106438346B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201461399U (en) * | 2009-06-12 | 2010-05-12 | 天津泵业机械集团有限公司 | Skid-mounting system for multiphase pump |
| CN202646001U (en) * | 2012-06-01 | 2013-01-02 | 西安大漠石油能源科技工程有限公司 | Eccentric rotary oscillating multi-term oil-gas mixed conveying pump |
| CN204611345U (en) * | 2015-04-27 | 2015-09-02 | 大丰丰泰流体机械科技有限公司 | A kind of synchronous revolving oil gas combined transportation device |
| CN205013277U (en) * | 2015-09-30 | 2016-02-03 | 耐驰（兰州）泵业有限公司 | Heterogeneous thoughtlessly defeated device based on single -screw pump |
| CN206092393U (en) * | 2016-08-26 | 2017-04-12 | 西安大漠石油能源科技工程有限公司 | Eccentric gyration swing multiphase pump group oil gas is defeated pressure boost sled thoughtlessly |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108006690A (en) * | 2017-12-30 | 2018-05-08 | 西安长庆科技工程有限责任公司 | A kind of oil field vertical heater associated gas combustion system and method |
| CN108006690B (en) * | 2017-12-30 | 2023-10-24 | 西安长庆科技工程有限责任公司 | Associated gas combustion system and method for vertical heating furnace of oil field |
| CN109915363A (en) * | 2019-04-02 | 2019-06-21 | 眭尔玉 | One kind is based on eccentric rotary oscillation multiphase oil-gas mixed delivery pump slide plate chamber oil gas high voltage relief device |
| CN114892761A (en) * | 2022-06-20 | 2022-08-12 | 重庆钢铁股份有限公司 | Method for replacing water taking equipment of water taking pump room on line |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106438346B (en) | 2018-09-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102491094B (en) | Horizontal long-distance superfine powder pneumatic conveying device | |
| CN106438346B (en) | Eccentric rotary oscillation mixing pump group oil and gas multiphase flow supercharging sled and operation method | |
| CN104453823A (en) | Small sand mulling pumping device | |
| CN206092393U (en) | Eccentric gyration swing multiphase pump group oil gas is defeated pressure boost sled thoughtlessly | |
| CN206130535U (en) | Well site oil gas is defeated sled intelligence control system thoughtlessly | |
| CN207137871U (en) | Emulsify pump station integrated control system of coal mining combine | |
| CN214171958U (en) | Gas-liquid pressure boost is defeated intelligent sled group thoughtlessly | |
| CN203346191U (en) | Fracturing backflow liquid treatment recovery device | |
| CN203926019U (en) | Rock gas helical-lobe compressor | |
| CN204312030U (en) | A kind of for collecting well group associated gas recovery device | |
| CN111794728B (en) | Intelligent interconnection type skid-mounted acid liquid high-pressure injection equipment and control method | |
| CN205013277U (en) | Heterogeneous thoughtlessly defeated device based on single -screw pump | |
| CN115680598B (en) | Electric fracturing operation system and method for coal mine underground gas treatment | |
| CN102391909B (en) | Integrated oil filtering and exchanging device for wind power generator | |
| CN207829841U (en) | A kind of level pressure tapping equipment that well mouth of oil well set is calmed the anger | |
| CN104555878A (en) | Tank vehicle unloading system | |
| CN110846066B (en) | Well head sleeve pipe associated gas recovery unit | |
| CN204384862U (en) | Tank car unloading system | |
| CN204352834U (en) | Double pump proportion adjustable Automatic Mixing System of Emulsion | |
| CN105221414A (en) | A kind of multiphase mixed transportation device based on helical rotor pump | |
| CN208294757U (en) | High gas-liquid ratio multi-phase mixed delivering supercharging device | |
| CN106641722A (en) | Return pressure reduction device for oil well | |
| CN219034694U (en) | Low-yield well back pressure reducing and yield increasing device | |
| CN208329142U (en) | A kind of novel integrated pressure sewage pumping station | |
| CN206545580U (en) | A kind of pump efficiency detection means |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 710075 Shangxin Center, 51 Gaoxin Road, Xi'an High-tech Zone, Shaanxi Province, 1 Building, 1 Unit, 10 Layer 11008 Patentee after: Xi'an Damo Petroleum Energy Technology Engineering Co., Ltd. Address before: 710075 A tower 6, Ruixin mansion 15, Gaoxin Road, Xi'an, Shaanxi. Patentee before: Xi'an Damo Petroleum Energy Technology Engineering Co., Ltd. |