CN207776857U - Gas brill fires monitoring sample gas collection device - Google Patents
Gas brill fires monitoring sample gas collection device Download PDFInfo
- Publication number
- CN207776857U CN207776857U CN201820018255.4U CN201820018255U CN207776857U CN 207776857 U CN207776857 U CN 207776857U CN 201820018255 U CN201820018255 U CN 201820018255U CN 207776857 U CN207776857 U CN 207776857U
- Authority
- CN
- China
- Prior art keywords
- staving
- gas
- mouth
- capping
- collection device
- 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
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
A kind of gas brill of the utility model offer fires monitoring sample gas collection device, belong to oil-gas exploration technical field, its structure includes staving and capping, staving is vertical type cylinder barrel shaped structure, stores dustfall water in staving, gas inlet pipe enters bowl inner chamber through bucket wall, and extend to the bottom of bowl inner chamber, the side of staving bottom is provided with rinse mouth, and the opposite side of rinse mouth is provided with bleed outlet, and rinse mouth is arranged with gas inlet pipe homonymy；It is fixedly installed stirring motor on staving above the bleed outlet homonymy, the row's mouth that overflows is communicated on the bucket wall above stirring motor；The generatrix direction of staving bucket wall is provided with observation window；The upper opening portion of staving is provided with strainer, and the upper opening of the staving above strainer is provided with capping；Gas outlet, fluid infusion pipe and sensor inserted link mouth are communicated in capping, staving bottom is provided with pedestal, base supports staving.The device substantially eliminates every unfavorable factor in applying at the scene, improve gas collection efficiency.
Description
Technical field
The utility model is related to oil-gas exploration technical field, specifically a kind of gas brill fires monitoring sample gas and collects dress
It sets.
Background technology
In general, gas drilling is with gas（Or nitrogen）For circulatory mediator, the equipment such as gas compressor is used to be filled as supercharging
It sets, uses rotating blowout preventer as a kind of under balance pressure drilling technique of well head control device.Compound logging plays in gas drilling
Fire the important process function of monitoring.The acquisition of gas drilling underground hydro carbons is different from drilling fluid drilling well, in drilling fluid drilling well
The acquisition of gas makes gas escape therein by the way that degasser stirs drilling fluid and goes out.In gas drilling, in stratum
Gas and rock debris be blasted under high pressure in sediment outflow pond by sediment outflow pipeline, in this process, conventional degasser is
It can not apply.In order to acquire hydrocarbon gas in time, it is necessary to have a kind of rationally applicable device to substitute conventional degasser
Effect and mechanism.
Gas brill is a kind of efficient wellbore construction technique, wherein down-hole blasting monitoring is emphasis.Compound logging is firing
In monitoring, it is common to use closed plastic barrel realizes the purpose of gas trapping.In plastic barrel plus water plays the purpose of depositing dust,
The principle that draining takes gas method is utilized.This collector is simple in structure, at low cost, easy to use.But in use
It is vulnerable to the influence of dust particles blocking, formation water output adherency, gas displacement size variation etc. and causes gas circuit unsmooth or unstable
The case where, the purpose of continuous-stable monitoring gas is not achieved；Meanwhile the dustfall water in bucket need to be replaced often, it is inevitable in replacement
Also gas-monitoring is interrupted, the successional function of gas-monitoring is affected.Furthermore the simple structure of plastic barrel cannot be satisfied by
Gas bores the gas collecting into atomization brill or foam drilling conversion process, and atomization is bored or foam drilling can be continuously increased inside for dropping
The volume of the dustfall water of dirt, needs Manual Switch, has thus interrupted the acquisition of parameters, affects exploded gas and other
The admission work of parameter affects work quality and exploration timeliness.
Its disadvantage can be summarized as the following aspects：
(1) it is limited by plastic tub container property, fastness is poor, does not meet the requirement that three mark of scene is built；
(2) it needs often to replace after dustfall water is contaminated, causes exploded gas monitoring to interrupt, affect underground and sentence extremely
It is disconnected；
(3) gas vent flow cannot achieve stabilization, and pressure difference changes greatly, causes airline pressure uneven, affects gas
Monitor quality；
(4) in atomization brill or foam drilling, dustfall water volume of mixture can be expanded with brill, and timing is needed to empty displacement,
Gas-monitoring is caused to interrupt；
(5) due to the use of immobilising dustfall water, so being not easy to north of china in winter use, use scope is limited；
(6) during being atomized brill or foam drilling, the acquisition and detection of other engineering parameters can not be carried out；
(7) it can not be monitored for third party's exploded gas and interface is provided.
Invention content
The technical assignment of the utility model is to solve the deficiencies in the prior art, provides a kind of gas brill and fires monitoring sample gas and receives
Acquisition means.
The technical solution of the utility model realizes that gas brill fires monitoring sample gas collection device in the following manner,
Its structure includes staving and capping,
Staving is vertical type cylinder barrel shaped structure, and dustfall water is stored in staving,
Gas inlet pipe enters bowl inner chamber through bucket wall, and extends to the bottom of bowl inner chamber,
The side of staving bottom is provided with rinse mouth, and the opposite side of rinse mouth is provided with bleed outlet, rinse mouth and gas
Inlet tube homonymy is arranged；
Stirring motor is fixedly installed on staving above the bleed outlet homonymy, stirring motor is arranged outside staving bucket wall
Side, stirring motor export stirring shaft, stirring shaft in the horizontal direction in staving diametric(al) across being erected at bowl inner chamber,
The both ends of stirring shaft are respectively erected on the axle envelope axle bed on staving bucket wall, and stirrer gear is provided on the axle body of stirring shaft；
The row's mouth that overflows is communicated on bucket wall above stirring motor；
The generatrix direction of staving bucket wall is provided with observation window；
The upper opening portion of staving is provided with strainer, the upper opening portion of strainer covering, and strainer is fixedly connected with upper stand wall, filters
The upper opening of the staving of online side is provided with capping；
Capping and staving are tightly connected, and gas outlet, fluid infusion pipe and sensor inserted link mouth are communicated in capping,
Gas outlet is provided at two, and gas outlet is in the diametrically opposed symmetrical in the center of circle of capping of capping at two
Setting；
The circle centre position in capping is arranged in fluid infusion pipe；
Straight line of the sensor inserted link mouth centered on fluid infusion pipe, at two between gas outlet contact that direction it is equidistant between
Every be arranged there are four sensor inserted link mouth, used for being inserted into sensor；
Staving bottom is provided with pedestal, base supports staving.
Rinse mouth is communicated with rinse mouth tube body, and ball valve is provided on rinse mouth tube body.
Bleed outlet is communicated with bleed outlet tube body, and ball valve is provided on bleed outlet tube body.
The row's mouth that overflows is communicated with the row's mouth tube body that overflows, and ball valve is provided on the row's mouth tube body that overflows.
Observation window uses vertical stripe-like transparent tempered glass observation window.
Strainer uses double-layer stainless steel wire gauze filter, and the mesh density of the lower screen of double-layer stainless steel wire gauze filter is 80 mesh,
The mesh density of top layer strainer is 120 mesh.
It is provided with ball valve on fluid infusion pipe.
Pedestal is fixedly connected on entire body bottom in the distribution of staving bottom margin isogonism.
Depositing dust water level is less than the row's mouth that overflows.
It is fixedly connected by snap ring buckle between capping and staving.
Generated advantageous effect is the utility model compared with prior art：
Gas brill fires during monitoring sample gas collection device is applied at the scene and substantially eliminates every unfavorable factor, achieves
Good application effect.It reduces the maintaining time, extends service life, improves gas collection efficiency, opens up simultaneously
Applying working condition is opened up.
The gas, which bores, to be fired the gas that monitoring sample gas collection device can be widely applied to during oil and gas exploration and bores
It is to be mounted on nearly well head sediment outflow pipeline to realize the important of gas depositing dust, collection and conveying in gas drilling during well construction
Device.Meanwhile the Expanding design of the device is also applied for atomization and bores and the gas-monitoring and drilling engineering ginseng in foam drilling construction
Several collections is a kind of multi-functional high-performance device.
Construction, which is bored, for gas brill, atomization brill, foam drilling, the mixing of gas atomization foam mud provides a kind of set composite,
The device can fully eliminate a variety of unfavorable factors, reduce the maintaining time, extend service life, improve gas
Collection and monitoring efficiency, while having expanded applying working condition.This gas brill fires monitoring sample gas collection device not by tolerance space
Limitation can not only ensure continuous exploded gas monitoring, meanwhile, also the construction technology for other related fields provides one kind
Scientific and efficient parameter collection device.
Gas brill fires monitoring sample gas collection device and has the following performance and advantage：
(1) it is not limited by plastic tub container property, fastness is good, and intensity is high, strong applicability, meets three mark of scene and builds
Requirement；
(2) without often replacing after dustfall water is contaminated, exploded gas monitoring will not be caused to interrupt, do not influence underground exception
Judge；
(3) gas vent flow realizes stability contorting, eliminates pressure difference variation, establishes airline pressure equilibrium condition,
Gas-monitoring quality is ensured；
(4) in atomization brill or foam drilling, the volume of depositing dust aqueous mixtures can be solved with expansion is bored from excessive, need not timing
Displacement is emptied, has ensured the continuity of gas-monitoring；
(5) device round-the-clock can be applied, and expand use scope；
(6) during atomization brill or foam drilling, the acquisition and detection of other engineering parameters can be carried out；
(7) it can be monitored for third party's exploded gas and interface is provided.
Gas brill fire monitoring sample gas collection device reasonable design, it is simple in structure, safe and reliable, easy to use, be easy to
It safeguards, has good value for applications.
Description of the drawings
Attached drawing 1 is the structural schematic diagram of the utility model.
Label in attached drawing indicates respectively：
1, staving, 2, dustfall water,
3, gas inlet pipe, 4, rinse mouth, 5, bleed outlet,
6, stirring motor, 7, stirring shaft, 8, axle envelope axle bed, 9, stirrer gear, 10, overflow row's mouth, 11, observation window, 12, filter
Net, 13, upper opening portion,
14, it covers, 15, gas outlet, 16, fluid infusion pipe, 17, sensor inserted link mouth,
18, pedestal,
19, rinse mouth tube body, 20, bleed outlet tube body, 21, overflow row's mouth tube body, 22, ball valve, 23, snap ring buckle.
Specific implementation mode
Monitoring sample gas collection device is fired to the gas of the utility model brill below in conjunction with the accompanying drawings to be described in detail below.
As shown in the picture, the gas brill of the utility model fires monitoring sample gas collection device, and structure includes staving and envelope
Lid,
Staving 1 is vertical type cylinder barrel shaped structure, and dustfall water 2 is stored in staving,
The pipe of gas access 3 enters bowl inner chamber through bucket wall, and extends to the bottom of bowl inner chamber,
The side of staving bottom is provided with rinse mouth 4, and the opposite side of rinse mouth is provided with bleed outlet 5, rinse mouth and gas
Body inlet tube homonymy is arranged；
Stirring motor 6 is fixedly installed on staving above 5 homonymy of bleed outlet, stirring motor 6 is arranged in staving bucket wall
Outside, stirring motor export stirring shaft 7, and stirring shaft 7 is in the horizontal direction in staving diametric(al) across being erected at staving
The both ends of inner cavity, stirring shaft are respectively erected on the axle envelope axle bed 8 on staving bucket wall, are provided on the axle body of stirring shaft 7
Stirrer gear 9；
The row's mouth 10 that overflows is communicated on bucket wall above stirring motor；
The generatrix direction of staving bucket wall is provided with observation window 11；
The upper opening portion of staving is provided with strainer 12, and the upper opening portion 13 of strainer covering, strainer is fixed with upper stand wall to be connected
It connects, the upper opening of the staving above strainer is provided with capping 14；
Capping 14 and staving 1 are tightly connected, and gas outlet 15, fluid infusion pipe 16 and sensor inserted link are communicated in capping 14
Mouth 17,
Gas outlet 15 is provided at two, and gas outlet is in the diametrically opposed in the center of circle pair of capping of capping at two
Claim setting；
The circle centre position in capping is arranged in fluid infusion pipe 16；
It is equidistant that straight line of the sensor inserted link mouth 17 centered on fluid infusion pipe, at two between gas outlet contacts that direction
Being arranged there are four sensor inserted link mouth for interval, uses for being inserted into sensor；
Staving bottom is provided with pedestal 18, base supports staving.
Rinse mouth 4 is communicated with rinse mouth tube body 19, and ball valve is provided on rinse mouth tube body.
Bleed outlet 5 is communicated with bleed outlet tube body 20, and ball valve is provided on bleed outlet tube body.
The row's mouth 10 that overflows is communicated with the row's mouth tube body 21 that overflows, and ball valve is provided on the row's mouth tube body that overflows.
Observation window 11 uses vertical stripe-like transparent tempered glass observation window.
Strainer 12 uses double-layer stainless steel wire gauze filter, and the mesh density of the lower screen of double-layer stainless steel wire gauze filter is 80
The mesh density of mesh, top layer strainer is 120 mesh.
It is provided with ball valve on fluid infusion pipe 16.
Pedestal 18 is fixedly connected on entire body bottom in the distribution of staving bottom margin isogonism.
Depositing dust water level is less than the row's mouth that overflows.
It is fixedly connected by snap ring buckle 23 between capping and staving.
Gas brill fires the monitoring cylindrical tubbiness of sample gas collection device shape, and stainless steel is whole by three parts, that is, bucket
Body, capping and pedestal composition.
Staving is cylinder, high 1000mm × diameter（Internal diameter）600mm, wall thickness 3mm.When gas bores, depositing dust is held in bucket
Water, depositing dust consider dirty protection construction operation environment.It is designed on staving：
For gas entrance in staving side, gas entrance is the entrance for entering the gas collector during gas bores from sediment outflow pipeline,
The horizontal segment of gas entrance enters segment length 100mm in bucket away from bucket bottom 700mm, caliber 30mm, horizontal segment, and then right angle hangs down away from bucket bottom
150mm, gas inlet tube and staving seamless welding do not set gate control on gas entrance；
The gentle entrance of rinse mouth is with lateral, and away from rinse mouth is set at the 20mm of bottom, caliber 50mm has ball valve control.Punching
It washes mouth and installs bleed outlet for accessing cleaning water source cleaning barrel bottom and rinse mouth horizontal position；
Bleed outlet.Bleed outlet diameter 70mm, ball lock control, for discharging the cleaning water washing entered from rinse mouth
Liquid；
Stirring motor is fixed on the outside of staving, above bleed outlet, away from quick-fried stirring motor of setting up defences at bleed outlet 300mm.
The shaft of explosion-proof stirring motor and staving offside horizontal connection, diameter of axle 20mm；Axis connection sets stirring in staving inner side, axis
Tooth, it is evenly distributed around axis.Stirring motor is used for stirring atomization and bores or aqueous mixture when foam, the axis of stirring motor and
Stirring motor uses water-stop；
Row's mouth overflow on the top of stirring motor, away from stirring motor 400mm, nozzle diameter 50mm, ball valve control.Work as bucket
Interior water solution mixture liquid level exceed 620mm when, will from excessive row's mouth flow out or excessive discharge capacity can size it is controllable；
Observation window is vertical strip-form, and wide 50mm, material is transparent toughened glass.Observation window bottom is high away from bucket bottom 100mm
500mm, transparent toughened glass thickness 8mm are connected with staving curved surface, embedded lost circulation prevention.Tempered glass compressive resistance is 10Mpa；
Strainer uses double-layer stainless steel silk screen, divides two-stage, bottom surface strainer is away from bucket bottom 850mm, top screen and bottom screen
Spacing 100mm.Bottom screen is 80 mesh, 120 mesh of top screen.Strainer and bucket outer wall screwed connection are fixed, and sealing is seamless.Filter
Net is used for filtering granular substance, while having percolation to foam class, to reduce foam overflow probability.When strainer is installed, first fill
Bottom screen refills top screen, strainer and barrel gapless.
Capping arranged at staving top, and capping and staving snap ring link closely docking, seamless with diameter, cover high 100mm.It is designed in capping
Have：
Gas exports the design of two opposites of a gentle outlet, caliber 20mm, high 150mm, and valveless controls.Two gas outlets are available
Make well logging interface and fires monitoring ancillary device interface.Two outlets are respectively away from capping rim 50mm.
Fluid infusion is centrally located in capping top surface, caliber 30mm, ball lock control.There is funnel to can be inserted into fluid infusion,
Funnel is used for water clock antifoaming agent when foam drilling, and gate controls the water clock speed of antifoaming agent.Meanwhile when pure gas brill, fluid infusion can
For spraying clean water, so as to depositing dust in bucket.
Sensor inserted link mouth is exported equidistant equal within the scope of two inside circumferences of gentle outlet centered on fluid infusion in gas
Even that four sensor inserted link mouths are arranged, bore 50mm uses for being inserted into sensor.Meanwhile each inserted link mouth has capping, no
It is sealed when grafting sensor, capping and socket screwed connection.It need to be opened up on strainer when being inserted into sensor same with sensor inserted link
The mouth of warp, so that sensor insertion is immersed in the atomization liquid of bucket or foam solution.
Bucket bottom uniformly sets pedestal 3, equidistant isogonism arrangement, the high 50mm of pedestal.
The gas that gas is discharged during boring from sediment outflow pipeline is positive pressure gas circuit, generally can reach 2-3Mpa or so, gas
It carries dust from gas entrance to enter, at positive pressure respectively to the gentle outlet pressure release of excessive row's mouth, bleed outlet and rinse mouth be not
It carries out being in close stance when washing and cleaning operation.Pass through dust in tempering transparent glass observation window observable bucket or atomized liquid and foam
State, liquid level reaches to overflow can freely be discharged when arranging mouth position, discharge also be can control, to meet different construction needs.
Claims (10)
1. gas brill fires monitoring sample gas collection device, it is characterised in that including staving and capping,
Staving is vertical type cylinder barrel shaped structure, and dustfall water is stored in staving,
Gas inlet pipe enters bowl inner chamber through bucket wall, and extends to the bottom of bowl inner chamber,
The side of staving bottom is provided with rinse mouth, and the opposite side of rinse mouth is provided with bleed outlet, rinse mouth and gas access
Pipe homonymy is arranged；
Stirring motor is fixedly installed on staving above the bleed outlet homonymy, stirring motor is arranged on the outside of staving bucket wall, stirs
Motor output stirring shaft is mixed, stirring shaft stirs in the horizontal direction in staving diametric(al) across bowl inner chamber is erected at
The both ends of shaft are respectively erected on the axle envelope axle bed on staving bucket wall, and stirrer gear is provided on the axle body of stirring shaft；
The row's mouth that overflows is communicated on bucket wall above stirring motor；
The generatrix direction of staving bucket wall is provided with observation window；
The upper opening portion of staving is provided with strainer, and the upper opening portion of strainer covering, strainer is fixedly connected with upper stand wall, on strainer
The upper opening of the staving of side is provided with capping；
Capping and staving are tightly connected, and gas outlet, fluid infusion pipe and sensor inserted link mouth are communicated in capping,
Gas outlet is provided at two, and gas outlet is symmetrically set in the diametrically opposed of capping in the center of circle of capping at two
It sets；
The circle centre position in capping is arranged in fluid infusion pipe；
Straight line of the sensor inserted link mouth centered on fluid infusion pipe, at two between gas outlet contacts that direction equidistant interval
It is arranged there are four sensor inserted link mouth, is used for being inserted into sensor；
Staving bottom is provided with pedestal, base supports staving.
2. gas brill according to claim 1 fires monitoring sample gas collection device, it is characterised in that：Rinse mouth is communicated with punching
A mouthful tube body is washed, ball valve is provided on rinse mouth tube body.
3. gas brill according to claim 1 fires monitoring sample gas collection device, it is characterised in that：Bleed outlet, which is communicated with, to be let out
A mouthful tube body is put, ball valve is provided on bleed outlet tube body.
4. gas brill according to claim 1 fires monitoring sample gas collection device, it is characterised in that：The row's mouth that overflows is communicated with excessive
Mouth tube body is arranged, ball valve is provided on the row's mouth tube body that overflows.
5. gas brill according to claim 1 fires monitoring sample gas collection device, it is characterised in that：Observation window is using vertical
Stripe-like transparent tempered glass observation window.
6. gas brill according to claim 1 fires monitoring sample gas collection device, it is characterised in that：Strainer uses bilayer not
Become rusty Steel net, and the mesh density of the lower screen of double-layer stainless steel wire gauze filter is 80 mesh, and the mesh density of top layer strainer is 120
Mesh.
7. gas brill according to claim 1 fires monitoring sample gas collection device, it is characterised in that：It is arranged on fluid infusion pipe
There is ball valve.
8. gas brill according to claim 1 fires monitoring sample gas collection device, it is characterised in that：Pedestal is in staving bottom
Edge isogonism distribution is fixedly connected on entire body bottom.
9. gas brill according to claim 1 fires monitoring sample gas collection device, it is characterised in that：Depositing dust water level is less than
Overflow row's mouth.
10. gas brill according to claim 1 fires monitoring sample gas collection device, it is characterised in that：Capping and staving it
Between by snap ring buckle be fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820018255.4U CN207776857U (en) | 2018-01-05 | 2018-01-05 | Gas brill fires monitoring sample gas collection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820018255.4U CN207776857U (en) | 2018-01-05 | 2018-01-05 | Gas brill fires monitoring sample gas collection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207776857U true CN207776857U (en) | 2018-08-28 |
Family
ID=63223084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820018255.4U Active CN207776857U (en) | 2018-01-05 | 2018-01-05 | Gas brill fires monitoring sample gas collection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207776857U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109184678A (en) * | 2018-10-09 | 2019-01-11 | 西南石油大学 | A kind of down-hole blasting boundary rapid measurement device and method |
-
2018
- 2018-01-05 CN CN201820018255.4U patent/CN207776857U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109184678A (en) * | 2018-10-09 | 2019-01-11 | 西南石油大学 | A kind of down-hole blasting boundary rapid measurement device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211097825U (en) | Oil field water injection recoil type filtering dirt remover | |
| CN208212675U (en) | A kind of vacuum equipment for sewage treating machine | |
| CN108187368A (en) | A kind of three station-rotary type oily-water seperating equipments and method | |
| CN106825020B (en) | The soil repair system and method that a kind of materialization combines | |
| CN108126403A (en) | A kind of sewage treating machine | |
| CN207776857U (en) | Gas brill fires monitoring sample gas collection device | |
| CN112031109A (en) | Waterproof drainage device of hydraulic engineering construction | |
| CN104984588A (en) | Suspension liquid continuous filtration thickening device and continuous filtration thickening method thereof | |
| CN210948612U (en) | Novel sand prevention device | |
| CN207126977U (en) | A kind of soil remediation equipment based on process integration | |
| CN208494547U (en) | A kind of pressure break quartz sand washing and drying device | |
| CN213926593U (en) | Water conservancy conduit inlet crosses and filters cleaning device | |
| CN205216375U (en) | Oil -gas separation filter equipment | |
| CN105536343B (en) | Squeeze solid-liquid separation filter group | |
| CN206419006U (en) | A kind of vertical filtering desander | |
| CN208727059U (en) | A kind of smelting exhaust gas collection device | |
| CN202010458U (en) | Fiber ball filtering tank | |
| CN209612350U (en) | Pipe string pressure test filter | |
| CN106621514A (en) | Filter | |
| CN208220692U (en) | A kind of portable well logging landwaste cleaning device | |
| CN207748938U (en) | A kind of household rotary type oil water separation device for kitchen use | |
| CN106733882A (en) | Integrate the waste and old rubber cleaning device of cleaning, sorting, dehydration and self-loopa | |
| CN208161104U (en) | Slag-liquid separation equipment | |
| CN208073446U (en) | A kind of oil well filtering sand apparatus | |
| CN206473892U (en) | A kind of new ground-dipping uranium extraction drilling self-cleaning filter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220301 Address after: 100029 Chaoyang District, Beijing Hui Xin Street six, Twelfth level. Patentee after: SINOPEC OILFIELD SERVICE Corp. Patentee after: SINOPEC SHENGLI PETROLEUM ENGINEERING Co.,Ltd. Patentee after: Sinopec Jingwei Co.,Ltd. Patentee after: Shengli geological logging company of Sinopec Jingwei Co.,Ltd. Address before: Room 703, block a, Beichen world center, 8 Beichen West Road, Chaoyang District, Beijing 100020 Patentee before: SINOPEC OILFIELD SERVICE Corp. Patentee before: SINOPEC SHENGLI PETROLEUM ENGINEERING Co.,Ltd. Patentee before: GEOLOGICAL LOGGING BRANCH OF SINOPEC SHENGLI PETROLEUM ENGINEERING Co.,Ltd. |