CN209586347U - A kind of oil field shaft mouth chemicals dosing plant - Google Patents
A kind of oil field shaft mouth chemicals dosing plant Download PDFInfo
- Publication number
- CN209586347U CN209586347U CN201821803406.3U CN201821803406U CN209586347U CN 209586347 U CN209586347 U CN 209586347U CN 201821803406 U CN201821803406 U CN 201821803406U CN 209586347 U CN209586347 U CN 209586347U
- Authority
- CN
- China
- Prior art keywords
- cavity
- drug
- solenoid valve
- feeding tube
- main body
- 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.)
- Active
Links
- 239000000126 substance Substances 0.000 title claims abstract description 16
- 238000001914 filtration Methods 0.000 claims abstract description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 11
- 239000003814 drug Substances 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims 1
- 239000012530 fluid Substances 0.000 abstract description 25
- 239000007788 liquid Substances 0.000 abstract description 8
- 239000003921 oil Substances 0.000 description 22
- 239000002253 acid Substances 0.000 description 7
- 239000000243 solution Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000010779 crude oil Substances 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- 230000020477 pH reduction Effects 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012377 drug delivery Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- GPGMRSSBVJNWRA-UHFFFAOYSA-N hydrochloride hydrofluoride Chemical compound F.Cl GPGMRSSBVJNWRA-UHFFFAOYSA-N 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
Landscapes
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Abstract
The utility model relates to a kind of oil field shaft mouth chemicals dosing plants, including apparatus main body, supporting leg, controller, feeding opening, outlet solenoid valve, outlet pipe, baffle-box, first cavity, second cavity, third cavity, first drug-feeding tube, second drug-feeding tube, third drug-feeding tube, filtering head, mesh enclosure, cobblestone, active carbon, first solenoid valve, second solenoid valve, third solenoid valve and confluence cavity, after medical fluid is poured into, medical fluid initially enters baffle-box, when that will be overflowed because of medical fluid, first cavity, second cavity and third cavity can carry out pressure release, prevent liquid medicine spill, simultaneously, first filtering has also been carried out by the medical fluid that filter plate flows out, medical fluid enters the first cavity, second cavity, after third cavity, subsequent medical fluid will enter the first drug-feeding tube, second drug-feeding tube, third drug-feeding tube, finally pass through the first solenoid valve , second solenoid valve, third solenoid valve carry out confluence cavity, be discharged into oil field shaft mouth by outlet pipe.
Description
Technical field
The utility model relates to oilfield technology fields, and in particular to a kind of oil field shaft mouth chemicals dosing plant.
Background technique
Oil field refers to the specific region of crude oil production.Sometimes the general name of the oil reservoir gathered for specific region underground.Broadly
Several oil areas are combined referred to as oil field.Such as Daqing oil field, the North Sea oil field of Britain, oil field Qiu Ming of the Soviet Union etc..Oil field is
The naturally occurring hydrocarbon in underground is then in liquid under surface conditions.In contrast, it is still gas under surface conditions, then is day
Right gas.The specific region of natural gas production is gas field.Petroleum recoverable reserves size determines extraction value.It is required that accurately counting
Calculate oil area size, oil reservoir number and thickness and unit area petroleum reserves etc..
Oil field has a kind of well stimulation acidification in process of production.Currently, oil well acidation handles the acid used both at home and abroad
Property solution is mainly hydrochloric acid-hydrofluoric acid.Using rock forming mineral, the tamper in acid leach solution stratum, formation channels are dredged,
In-place permeability is improved, to achieve the purpose that oil well production increasing.Output object after acidification is emulsion, contains the residual acid solution of crude oil
And other substances being dissolved in water or carried by water that acid is generated with subterranean minerals qualitative response, wherein most are crude oil and residual
Acid solution.
A kind of oil field shaft mouth chemicals dosing plant is disclosed in the prior art.Including grug feeding jar, dosing pump, pressure gauge, electromagnetism
Solenoid valve is equipped with filter and explosion-proof valve body on grug feeding jar export pipeline, and electric operator is housed on explosion-proof valve body, electronic to hold
Row mechanism and PLC control cabinet pass through connection;Solenoid valve, first pressure pick-up are sequentially arranged on the export pipeline of grug feeding jar
Device, electromagnetism solenoid valve, check-valves and second pressure transmitter, solenoid valve are connect with dosing pump, and second pressure transmitter and PLC are controlled
Cabinet connection processed, the piping connection return pipe between electromagnetism solenoid valve and check-valves, return pipe are connect with grug feeding jar, electromagnetism electricity
Magnet valve is connect with PLC control cabinet and first pressure transmitter respectively by route.But the apparatus structure is complicated, and therefore, need pair
The program improves.
Utility model content
One main purpose of the utility model is to overcome at least one defect in the prior art, provides a kind of oil field
Well head chemicals dosing plant mainly solves the problems, such as existing:
It is currently to handle injection well pipe column and underground equipment with acid solution.The residual acid residue yield of processing is big, fills the water easily stifled
Oil pipe, injection well downhole flow regulator are filled in, not only influences water filling quality, but also also want more costly underground work expense after blocking oil pipe and injection well downhole flow regulator
With.
In order to realize above-mentioned technical proposal, the utility model uses following technical scheme:
One aspect according to the present utility model provides a kind of oil field shaft mouth chemicals dosing plant, including apparatus main body, support
Leg, controller, feeding opening, outlet solenoid valve, outlet pipe, baffle-box, the first cavity, the second cavity, third cavity, first are into medicine
Pipe, the second drug-feeding tube, third drug-feeding tube, filtering head, mesh enclosure, cobblestone, active carbon, the first solenoid valve, second solenoid valve, third
Solenoid valve and confluence cavity, described device main body upper surface are movably set with top cover, and the top cover upper surface fixed setting is
Feeding opening is stated, the feeding opening is connected with drug-feeding tube, and inlet solenoid valve, described device main body bottom end are provided in the drug-feeding tube
Face is provided with the outlet pipe, and the water outlet solenoid valve is provided in the outlet pipe, and the fixation of described device body front end face is set
It is equipped with the controller, the baffle-box is provided with below the feeding opening, described the is fixedly installed on the right side of the baffle-box
One cavity, the second cavity and third cavity are provided with first drug-feeding tube in first cavity, set in second cavity
It is equipped with second drug-feeding tube, is provided with the third drug-feeding tube in the third cavity, first drug-feeding tube, second are into medicine
Pipe and third drug-feeding tube top are fixedly connected to the filtering head, and described device main body inner wall bottom is fixedly installed the remittance
Cavity is flowed, the confluence cavity bottom end is connect with the outlet pipe.
Preferably, described device main body bottom face is arc, and described device main body bottom face is fixedly connected with described in four groups
Supporting leg, the supporting leg are pyramidal structure.
Preferably, baffle-box right side top offers through slot, is filled with filter plate in the through slot, the filter plate with
Described device main body inner wall bottom end is fixedly connected by connecting plate, which is divided into first chamber by the connecting plate
Body, the second cavity and third cavity.
Preferably, the filtering head includes mesh enclosure, cobblestone and active carbon, and the cobblestone is arranged in the mesh enclosure and institute
It states between active carbon.
Preferably, first drug-feeding tube, the second drug-feeding tube and third drug-feeding tube bottom end are fixed with the confluence cavity
Connection.
Preferably, the controller and the inlet solenoid valve, the first solenoid valve, second solenoid valve, third solenoid valve and
Outlet solenoid valve is electrically connected.
Compared to the prior art, the utility model has the beneficial effects that:
Increase baffle-box in existing drug delivery device, and by its complementary space be divided into the first cavity, the second cavity and
Third cavity, each cavity is corresponding to be respectively provided with the first drug-feeding tube, the second drug-feeding tube and third drug-feeding tube, by into
After medical fluid is poured into the apparatus main body by medicine mouth, medical fluid initially enters baffle-box, when too fast because pouring into medical fluid, so that medical fluid will overflow
When out, the first cavity, the second cavity and the third cavity that baffle-box right end is separated by filter plate can be according to liquid volume
Situation carries out pressure release, prevents liquid medicine spill, meanwhile, first filtering is also carried out by the medical fluid that filter plate flows out, medical fluid enters
After first cavity, the second cavity, third cavity, when medical fluid stockpile in the first cavity, the second cavity, third cavity it is enough,
Medical fluid will enter the first drug-feeding tube, the second drug-feeding tube, third drug-feeding tube by filtering head, finally by the first solenoid valve, the
Two solenoid valves, third solenoid valve carry out confluence cavity, are discharged into oil field shaft mouth by outlet pipe, pass through controller and import
Solenoid valve, the first solenoid valve, second solenoid valve, third solenoid valve and outlet solenoid valve are electrically connected, and be can be convenient and are learnt the dress
The medical fluid situation that each position of main body enters is set, it is convenient that countermeasure is made to abnormal conditions, it prevents from unexpectedly occurring.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, for ordinary skill people
For member, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of overall structure figure of oil field shaft mouth chemicals dosing plant described in the utility model;
Fig. 2 is the diagrammatic cross-section of the utility model;
Fig. 3 is the enlarged diagram of the utility model;
Fig. 4 is the enlarged diagram of the utility model;
Fig. 5 is the system schematic of the utility model.
Each appended drawing reference is as follows:
Apparatus main body 1;Supporting leg 2;Controller 3;Feeding opening 4;Outlet solenoid valve 5;Outlet pipe 6;Baffle-box 7;First chamber
Body 8;Second cavity 9;Third cavity 10;First drug-feeding tube 11;Second drug-feeding tube 12;Third drug-feeding tube 13;Filtering head 14;Mesh enclosure
15;Cobblestone 16;Active carbon 17;First solenoid valve 18;Second solenoid valve 19;Third solenoid valve 20;Converge cavity 21.
Specific embodiment
In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more.Term
The orientation or state relation of the instructions such as "inner", "upper", "lower" are orientation based on the figure or state relation, merely to just
In description the utility model and simplify description, rather than the device or element of indication or suggestion meaning there must be specific side
Position is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can
To be mechanical connection, it is also possible to be electrically connected;It can be directly connected, it can also be indirectly connected through an intermediary.For this
For the those of ordinary skill in field, the concrete meaning of above-mentioned term in the present invention is understood as the case may be.
It should be noted that the specification and claims of the utility model and term " first " in above-mentioned attached drawing,
" second " etc. is to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that in this way
The data used are interchangeable under appropriate circumstances, so as to the embodiments of the present invention described herein.
With reference to the accompanying drawing and specific embodiment is described in further detail the utility model.
Referring to Fig. 1-5, a kind of oil field shaft mouth chemicals dosing plant described in the utility model, including apparatus main body 1, supporting leg 2,
Controller 3, feeding opening 4, outlet solenoid valve 5, outlet pipe 6, baffle-box 7, the first cavity 8, the second cavity 9, third cavity 10,
One drug-feeding tube 11, the second drug-feeding tube 12, third drug-feeding tube 13, filtering head 14, mesh enclosure 15, cobblestone 16, the 17, first electricity of active carbon
Magnet valve 18, second solenoid valve 19, third solenoid valve 20 and confluence cavity 21,1 upper surface of apparatus main body are movably set with top cover, push up
It covers end face and is fixedly installed feeding opening 4, feeding opening 4 is connected with drug-feeding tube, and inlet solenoid valve, device master are provided in drug-feeding tube
1 bottom face of body is provided with outlet pipe 6, and outlet solenoid valve 5 is provided in outlet pipe 6, and 1 front end face of apparatus main body is fixedly installed control
Device 3 processed is provided with baffle-box 7 below feeding opening 4, and baffle-box 7 prevents liquid medicine spill.First is fixedly installed on the right side of baffle-box 7
Cavity 8, the second cavity 9 and third cavity 10 are provided with the first drug-feeding tube 11 in first cavity 8, are provided in the second cavity 9
Two drug-feeding tubes 12, are provided with third drug-feeding tube 13 in third cavity 10, and the first drug-feeding tube 11, the second drug-feeding tube 12 and third are into medicine
13 top of pipe is fixedly connected to filtering head 14, and 1 inner wall bottom of apparatus main body is fixedly installed confluence cavity 21, and converge cavity 21
Bottom end is connect with outlet pipe 6.
Specifically, 1 bottom face of apparatus main body is arc, 1 bottom face of apparatus main body is fixedly connected with four groups of supporting legs 2, props up
Support leg 2 is pyramidal structure.The design of pyramidal structure is convenient when in use, which is pierced ground, is securely tied with ground
It closes.7 right side top of baffle-box offers through slot, and filter plate is filled in through slot, and filter plate and 1 inner wall bottom end of apparatus main body pass through company
Fishplate bar is fixedly connected, which is divided into the first cavity 8, the second cavity 9 and third cavity 10 by connecting plate.Filtering head
14 include mesh enclosure 15, cobblestone 16 and active carbon 17, and cobblestone 16 is arranged between mesh enclosure 15 and active carbon 17.Cobblestone 16 can
It recycles, and low in cost.First drug-feeding tube 12, the second drug-feeding tube 13 and 14 bottom end of third drug-feeding tube with confluence cavity
21 are fixedly connected.Controller 3 and inlet solenoid valve, the first solenoid valve 18, second solenoid valve 19, third solenoid valve 20 and outlet electricity
Magnet valve 5 is electrically connected, and controller 3 is preferably the control chip of ISC801 model.
In use, medical fluid is poured by feeding opening 4, inlet solenoid valve can recorde the speed for pouring into medical fluid, prevent because
Pour into too fast, so that liquid medicine spill, medical fluid initially enters baffle-box 7, when too anxious because pouring into medical fluid, so that medical fluid will overflow
When, the first cavity 8, the second cavity 9 and the third cavity 10 that 7 right end of baffle-box is separated by filter plate can be according to liquid volume
The case where carry out pressure release, prevent liquid medicine spill, meanwhile, first filtering has also been carried out by the medical fluid that filter plate flows out, medical fluid into
After entering the first cavity 8, the second cavity 9, third cavity 10, when medical fluid is stockpiled in the first cavity 8, the second cavity 9, third cavity 10
To enough, medical fluid will enter the first drug-feeding tube 11, the second drug-feeding tube 12, third drug-feeding tube 13 by filtering head 14, finally
Enter confluence cavity 21 by the first solenoid valve 18, second solenoid valve 19, third solenoid valve 20, is discharged by outlet pipe 6
In oil field shaft mouth, by controller 3 and inlet solenoid valve, the first solenoid valve 18, second solenoid valve 19, third solenoid valve 20 and go out
Mouth solenoid valve is electrically connected, and can be convenient the medical fluid situation for learning that each position of apparatus main body 1 enters, convenient to abnormal conditions
Countermeasure is made, prevents from unexpectedly occurring.
It should be appreciated that the utility model is not limited in its application to the detailed construction and arrangement of component proposed in this paper
Mode.The utility model can have other embodiments, and can realize and execute in many ways.Aforesaid deformation form
It is fallen in the scope of the utility model with modification.It should be appreciated that the utility model disclosed and defined herein extends
It is mentioned to text and/or drawings or all alternative combinations of two or more apparent independent features.It is described herein
Embodiment illustrate to become known for realize the best mode of the utility model, and those skilled in the art will be enable to utilize
The utility model.
Claims (6)
1. a kind of oil field shaft mouth chemicals dosing plant, which is characterized in that including apparatus main body, supporting leg, controller, feeding opening, go out
Mouth solenoid valve, outlet pipe, baffle-box, the first cavity, the second cavity, third cavity, the first drug-feeding tube, the second drug-feeding tube, third
Drug-feeding tube, filtering head, mesh enclosure, cobblestone, active carbon, the first solenoid valve, second solenoid valve, third solenoid valve and confluence cavity,
Described device main body upper surface is movably set with top cover, and the top cover upper surface is fixedly installed the feeding opening, described into medicine
Mouth is connected with drug-feeding tube, inlet solenoid valve is provided in the drug-feeding tube, described device main body bottom face is provided with the water outlet
It manages, is provided with the outlet solenoid valve in the outlet pipe, described device body front end face is fixedly installed the controller, institute
State and be provided with the baffle-box below feeding opening, be fixedly installed on the right side of the baffle-box first cavity, the second cavity and
Third cavity is provided with first drug-feeding tube in first cavity, described second is provided in second cavity into medicine
It manages, is provided with the third drug-feeding tube, first drug-feeding tube, the second drug-feeding tube and third drug-feeding tube top in the third cavity
End is fixedly connected to the filtering head, and described device main body inner wall bottom is fixedly installed the confluence cavity, the confluence
Cavity bottom end is connect with the outlet pipe.
2. a kind of oil field shaft mouth chemicals dosing plant according to claim 1, which is characterized in that described device main body bottom face
For arc, described device main body bottom face be fixedly connected with four groups described in supporting leg, the supporting leg is pyramidal structure.
3. a kind of oil field shaft mouth chemicals dosing plant according to claim 1, which is characterized in that on the baffle-box right side
Portion offers through slot, and it is solid by connecting plate to be filled with filter plate, the filter plate and described device main body inner wall bottom end in the through slot
The apparatus main body is divided into first cavity, the second cavity and third cavity by fixed connection, the connecting plate.
4. a kind of oil field shaft mouth chemicals dosing plant according to claim 1, which is characterized in that the filtering head includes net
Cover, cobblestone and active carbon, the cobblestone are arranged between the mesh enclosure and the active carbon.
5. a kind of oil field shaft mouth chemicals dosing plant according to claim 1, which is characterized in that first drug-feeding tube,
Two drug-feeding tubes and third drug-feeding tube bottom end are fixedly connected with the confluence cavity.
6. a kind of oil field shaft mouth chemicals dosing plant according to claim 1, which is characterized in that the controller and it is described into
Mouth solenoid valve, the first solenoid valve, second solenoid valve, third solenoid valve and outlet solenoid valve are electrically connected.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821803406.3U CN209586347U (en) | 2018-11-02 | 2018-11-02 | A kind of oil field shaft mouth chemicals dosing plant |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821803406.3U CN209586347U (en) | 2018-11-02 | 2018-11-02 | A kind of oil field shaft mouth chemicals dosing plant |
Publications (1)
Publication Number | Publication Date |
---|---|
CN209586347U true CN209586347U (en) | 2019-11-05 |
Family
ID=68376183
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201821803406.3U Active CN209586347U (en) | 2018-11-02 | 2018-11-02 | A kind of oil field shaft mouth chemicals dosing plant |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN209586347U (en) |
-
2018
- 2018-11-02 CN CN201821803406.3U patent/CN209586347U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102261942B (en) | Experimental apparatus and method for change rule of mining water level of unconsolidated confined aquifer | |
CN104533356B (en) | Two-layer self-control layered oil production method and layered oil production method | |
CN109630083A (en) | A kind of abrasive perforating annular fracturing ground control system and method | |
CN106640026B (en) | A kind of pressure-controlled intelligent flow string and production method of optional layer acid filling | |
CN107313753B (en) | A kind of coal bed gas well point, which is adopted, separates pump and device | |
CN103696745A (en) | Multifunctional experimental apparatus for dynamically simulating reservoir horizontal well | |
CN101775977B (en) | Dual-tube injection well safety production string | |
CN104265265B (en) | A kind of direct metering method of single-well crude oil oil and gas production | |
CN103089204B (en) | Double-coal-bed layered pressure control device combining coal discharging and coal mining | |
CN104948149B (en) | A kind of multimedium dispensing system suitable in mining site complexity oil reservoir | |
CN106930764B (en) | Multilayer sandstone-type uranium mineralization with respect separate zone production technique | |
CN103061724B (en) | Towards the layering pressure control associating mining device easily telling powder and telling the two coal seam of sand | |
CN106884625A (en) | Method for treating oil-water well oil layer casing pipe channeling | |
CN209586347U (en) | A kind of oil field shaft mouth chemicals dosing plant | |
CN204782866U (en) | Well drilling choke manifold device is pressed in accuse | |
CN201053309Y (en) | Down-hole filter for water filling well | |
CN206581934U (en) | A kind of horizontal well bore hole screen casing damage testing tubing string | |
RU126802U1 (en) | MULTI-PHASE MIXTURE TRANSMISSION AND SEPARATION STATION | |
CN205297469U (en) | Oil casing flow control device | |
CN201679489U (en) | Double-pipe separated injection safety production pipe column | |
CN203036064U (en) | Built-in oil-gas liquid level control device | |
CN207451605U (en) | Fracturing unit fuel oil concentrates automatic filling device | |
CN2507997Y (en) | Automatic dosing apparatus for oil well | |
CN209556984U (en) | A kind of novel wellhead quantitative remedy-adding system | |
RU138853U1 (en) | DISTRIBUTION AND DOSING SYSTEM FOR HYDRATE FORMATION INHIBITOR |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |