CN206220893U - A kind of one sieves two grades of solidifying and controlling devices of a machine formula - Google Patents
A kind of one sieves two grades of solidifying and controlling devices of a machine formula Download PDFInfo
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- CN206220893U CN206220893U CN201621001802.5U CN201621001802U CN206220893U CN 206220893 U CN206220893 U CN 206220893U CN 201621001802 U CN201621001802 U CN 201621001802U CN 206220893 U CN206220893 U CN 206220893U
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- vibratory sieve
- centrifuge
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- casing
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- 238000005553 drilling Methods 0.000 claims abstract description 63
- 230000005540 biological transmission Effects 0.000 claims abstract description 35
- 239000002245 particle Substances 0.000 claims abstract description 34
- 239000012530 fluid Substances 0.000 claims description 36
- 239000004744 fabric Substances 0.000 claims description 6
- 239000007787 solid Substances 0.000 abstract description 31
- 239000007790 solid phase Substances 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 9
- 238000003379 elimination reaction Methods 0.000 abstract description 5
- 235000012054 meals Nutrition 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The utility model provides a kind of one and sieves two grades of solidifying and controlling devices of a machine formula, including multiple circulating tanks, centrifuge and frame mode transmission vibratory sieve long, connected by circulating connecting pipeline between two adjacent circulating tanks, the centrifuge is located on the circulating tank of end, and the outlet of the frame mode transmission vibratory sieve long is connected with the import of circulating tank.Described centrifuge includes a huge discharge centrifuge and a conventional centrifuge, huge discharge centrifuge, discharge capacity ﹥ 60m3/ h, centrifuge speed ﹥ 1700r/min, eliminating particle particle size range are 15 100 μm；Conventional centrifuge, discharge capacity ﹥ 40m3/ h, centrifuge speed scope is 1500 3200r/min, and eliminating particle particle size range is 2 45 μm.Desander and desilter need not be installed, simplify equipment combination, form a set of efficient mud solid phase and remove system.Such improvement, can improve the elimination effect and efficiency of drilling cuttings, simplify solid control equipment, reduce solid control equipment quantity, reduce the expense of operation and maintenance equipment, reach the purpose of energy-saving and emission-reduction.
Description
Technical field
The utility model is related to a kind of equipment of Solids control for drilling fluids circulatory system technique to combine, a more particularly to a kind of sieve one
Two grades of solidifying and controlling devices of machine formula.
Background technology
In existing drilling technology, the drilling fluid solid control technological process that drilling crew uses uses three or two substantially
Formula secondary vibration is sieved, the collocation method of desander, desilter, conventional centrifuge and supercentrifuge.Tri-coupling type secondary vibration is sieved
Screen area reach 10m2Left and right, in order to drilling fluid all by screen cloth vibration filtering can only install thick within 120 mesh
Mesh number wire screen, the screen size on wire screen is larger, and vibratory sieve can only remove the solid phase of greater particle size, compared with the bore meal particles of small particle
Cannot be eliminated, come back to drilling-fluid circulation system.Need to be removed with desander and desilter compared with the drilling cuttings of small particle, desanding
Device and desilter power 110kw, cause generator loading weight, and use rear desander and the damage of desilter whirl cylinder for a long time
Seriously, the expense for changing whirl cylinder is larger.
Due to needing implementation drilling fluid not land environmental protection policy, the mode of original big pond natural subsidence drilling cuttings is washed in a pan
Eliminate, drilling cuttings can only be removed by solid control equipment.Existing four stage solid control system（Vibratory sieve, desander, desilter, all-in-one）It is right
Drilling cuttings elimination effect is undesirable, efficiency is low, and solid control equipment quantity is more, the duration of runs is long, and operation and maintenance cost of upkeep is high, occurs
The situation of high cost with low efficiency.
Utility model content
In order to overcome existing vibratory sieve to remove the solid phase of greater particle size, the bore meal particles compared with small particle cannot be clear
Remove, come back to drilling-fluid circulation system, so as to cause generator loading weight, and use rear desander and desilter for a long time
Whirl cylinder well damage, changes the larger problem of the expense of whirl cylinder, and the utility model provides a kind of one and sieves two grades of a machine formula admittedly
Control device, the present apparatus need not install desanding desilter, by vibratory sieve and centrifugal chiller into two grades of solid controlling systems, improve letter
Change solid control equipment combination, improve drilling cuttings elimination effect and efficiency, reduce solid control equipment, reduce equipment and use power consumption and working service
Expense.
The technical solution of the utility model is：
A kind of one sieves two grades of solidifying and controlling devices of a machine formula, including multiple circulating tanks, centrifuge and frame mode transmission vibratory sieve long, phase
Connected by circulating tank connecting pipeline between two adjacent circulating tanks, the centrifuge is located on the circulating tank of end, the length
The outlet of frame mode transmission vibratory sieve is connected with the import of circulating tank.
Described frame mode transmission vibratory sieve long is multiple, and is joined end to end on circulating tank, and the frame described long of front end is passed
The import of defeated type vibratory sieve is connected with feed liquor pipeline.
Described frame mode transmission vibratory sieve long is multiple, including two frame conveying type vibratory sieves long be arrangeding in parallel and multiple
The frame conveying type vibratory sieve long of head and the tail connection, with head after the outlet parallel connection of two for be arrangeding in parallel the frame conveying type vibratory sieve long
The inlet connection of the frame conveying type vibratory sieve long of the front end that tail connects, two for be arrangeding in parallel the frame conveying type vibratory sieve long
On circulating tank, the frame conveying type vibratory sieve long of the head and the tail connection is located at circulating tank side.
Described centrifuge includes a huge discharge centrifuge and a conventional centrifuge, and the huge discharge centrifuge is located at
Conventional centrifuge front end, the huge discharge centrifuge, discharge capacity ﹥ 60m3/ h, centrifuge speed ﹥ 1700r/min, eliminating particle particle diameter
Scope is 15-100 μm；Conventional centrifuge, discharge capacity ﹥ 40m3/ h, centrifuge speed scope is 1500-3200r/min, eliminating particle
Particle size range is 2-45 μm.
Described frame mode transmission vibratory sieve long includes vibratory sieve casing, vibratory sieve base and drilling fluid return groove, described to shake
Dynamic screen box body is connected with vibratory sieve base and vibrating screen box body is located at vibratory sieve base top, and the drilling fluid return groove is arranged on
Between vibratory sieve casing and vibratory sieve base, the vibratory sieve casing is in narrow frame shape, and bottom is provided with the vibrating screen box body
Multiple screen clothes, there is angle between the screen cloth and vibratory sieve tank floor, the vibratory sieve casing top is provided with motor plate, institute
State motor plate top and multiple motors are installed.
The vibratory sieve casing is connected with vibratory sieve base by hydraulic pressure adjuster.
Described motor plate is provided with two motors.
The a width of 0.4-1m of casing of the vibratory sieve casing, casing length 3-5.5m.
One end of the vibratory sieve casing is provided with deflector.
The beneficial effects of the utility model are：
This practical vibratory sieve can install 140 mesh and above mesh number wire screen, and drilling fluid liquid energy is enough all shaken
Dynamic sieve vibration processing, after the wire screen mesh number of installation is more than 200 mesh, can fully achieve and more than the treatment of desander and desilter
Effect, trickle solid concentration is significantly reduced in drilling fluid.Drilling fluid continuation after being processed through vibratory sieve is clear with huge discharge centrifuge
Except 15-100 μm of bore meal particles, finally the smaller drilling cuttings of particle diameter is removed with conventional centrifuge.Such improvement, can improve drilling cuttings
Elimination effect and efficiency, simplify solid control equipment, reduce solid control equipment quantity, reduce operation and maintenance equipment expense, reach
The purpose of energy-saving and emission-reduction.
It is further detailed below with reference to accompanying drawing.
Brief description of the drawings
Fig. 1 is an one machine formula of sieve, two grades of solid controlling layouts, and vibratory sieve is arranged on the structural representation on circulating tank.
Fig. 2 is an one machine formula of sieve, two grades of solid controlling layouts, and vibratory sieve is arranged on the structural representation under circulating tank.
Fig. 3 is frame conveying type Structure of Vibrating Screen schematic diagram long.
In figure, reference is：1st, motor；2nd, motor plate；3rd, vibratory sieve casing；4th, deflector；5th, hydraulic pressure adjuster；6、
Drilling fluid return groove；7th, vibratory sieve base；8th, screen cloth；9th, compact heap；10th, frame conveying type vibratory sieve long；11st, drilling fluid feed liquor
Pipeline；12nd, centrifuge；13rd, circulating tank；14th, circulating tank connecting pipeline.
Specific embodiment
Embodiment 1：
In order to overcome existing vibratory sieve to remove the solid phase of greater particle size, the bore meal particles compared with small particle cannot be clear
Remove, come back to drilling-fluid circulation system, so as to cause generator loading weight, and use rear desander and desilter for a long time
Whirl cylinder well damage, changes the larger problem of the expense of whirl cylinder, and the utility model provides a kind of one and sieves two grades of a machine formula admittedly
Control device, the present apparatus need not install desanding desilter, by vibratory sieve and centrifugal chiller into two grades of solid controlling systems, improve letter
Change solid control equipment combination, improve drilling cuttings elimination effect and efficiency, reduce solid control equipment, reduce equipment and use power consumption and working service
Expense.
A kind of one sieves two grades of solidifying and controlling devices of a machine formula, including the vibration of multiple circulating tanks 13, centrifuge 12 and frame mode transmission long
Sieve 10, is connected between two adjacent circulating tanks 13 by circulating tank connecting pipeline 14, and the centrifuge 12 is located at following for end
On ring tank 13, the outlet of the frame mode transmission vibratory sieve 10 long is connected with the import of circulating tank 13.
A this sieve one machine formula, two grades of solidifying and controlling devices that the utility model is provided, its essence is to be shaken using frame mode transmission long
The different connecting modes of dynamic sieve 10, coordinate centrifuge 12 to realize the rapidly and efficiently removing of mud solid phase.Drilling fluid is led from well head
Pipe imports frame mode transmission vibratory sieve 10 long, the coupled in series of frame mode transmission vibratory sieve 10 long, parallel connection or simultaneously, after series connection series-parallel connection,
Frame mode transmission vibratory sieve 10 long can install wire screen more than 140 mesh, and more than 50 μm drilling cuttings of particle diameter are most of in such drilling fluid
It is vibrated sieve to remove, remaining drilling cuttings is with drilling fluid into the circulating tank 13 where huge discharge centrifuge.By vibratory sieve and centrifugation
The classification treatment of machine, drilling fluid only remains less than 2 μm of solid phase in theory, and most of drilling cuttings is removed in time by two grades of solid controlling systems.
Using two grades of solid controlling systems, solid control equipment is simplified on circulating tank, and overall energy consumption reduction, solid control equipment efficiency is carried
It is high.
Embodiment 2：
On the basis of based on embodiment 1, in the present embodiment, as shown in figure 1, described frame mode transmission vibratory sieve 10 long is many
It is individual, and join end to end on circulating tank 13, the import of the frame mode transmission vibratory sieve 10 described long of front end is connected with feed liquor pipeline
11。
Described centrifuge 12 includes a huge discharge centrifuge and a conventional centrifuge, and the huge discharge is centrifuged seat in the plane
In conventional centrifuge front end, the huge discharge centrifuge, discharge capacity ﹥ 60m3/ h, centrifuge speed ﹥ 1700r/min, eliminating particle grain
Footpath scope is 15-100 μm；Conventional centrifuge, discharge capacity ﹥ 40m3/ h, centrifuge speed scope is 1500-3200r/min, removing
Grain particle size range is 2-45 μm.
A this sieve one machine formula, two grades of solidifying and controlling devices that the utility model is provided, its essence is to be shaken using frame mode transmission long
The different connecting modes of dynamic sieve 10, coordinate centrifuge 12 to realize the rapidly and efficiently removing of mud solid phase.Drilling fluid is led from well head
Pipe imports frame mode transmission vibratory sieve 10 long, and after the coupled in series of frame mode transmission vibratory sieve 10 long, frame mode transmission vibratory sieve 10 long can be with
Wire screen more than 140 mesh is installed, in such drilling fluid more than 50 μm drilling cuttings major parts of particle diameter be vibrated sieve remove, remaining drilling cuttings with
Drilling fluid enter huge discharge centrifuge where circulating tank 13.Huge discharge centrifuge treatment discharge capacity ﹥ 60m3/ h, processes drilling cuttings particle diameter
It is 15-100 μm, the circulating tank 13 where the drilling fluid after the treatment of huge discharge centrifuge flows into conventional centrifuge is processed,
2-45 μm of conventional centrifuge particle separation diameter, treating capacity ﹥ 40m3/h.Processed by the classification of vibratory sieve and centrifuge 12, drilling fluid
Less than 2 μm of solid phase is only remained in theory, and most of drilling cuttings is removed in time by two grades of solid controlling systems.Using two grades of solid controlling systems,
Solid control equipment is simplified on circulating tank, and overall energy consumption reduction, solid control equipment efficiency is improved.
Embodiment 3：
On the basis of based on embodiment 1, in the present embodiment, as shown in Fig. 2 described frame mode transmission vibratory sieve 10 long is many
It is individual, including two frame conveying type vibratory sieves 10 long be arrangeding in parallel and the frame conveying type vibratory sieve 10 long of multiple head and the tail connections, institute
Shaken with the frame conveying type long of end to end front end after the outlet parallel connection for stating two for be arrangeding in parallel frame conveying type vibratory sieve 10 long
The inlet connection of dynamic sieve 10, two for be arrangeding in parallel the frame conveying type vibratory sieve 10 long is located on circulating tank 13, the head
The frame conveying type vibratory sieve 10 long of tail connection is located at the side of circulating tank 13.
Described centrifuge 12 includes a huge discharge centrifuge and a conventional centrifuge, and the huge discharge is centrifuged seat in the plane
In conventional centrifuge front end, the huge discharge centrifuge, discharge capacity ﹥ 60m3/ h, centrifuge speed ﹥ 1700r/min, eliminating particle grain
Footpath scope is 15-100 μm；Conventional centrifuge, discharge capacity ﹥ 40m3/ h, centrifuge speed scope is 1500-3200r/min, removing
Grain particle size range is 2-45 μm.
A this sieve one machine formula, two grades of solidifying and controlling devices that the utility model is provided, its essence is to be shaken using frame mode transmission long
The different connecting modes of dynamic sieve 10, coordinate centrifuge 12 to realize the rapidly and efficiently removing of mud solid phase.Drilling fluid is led from well head
Pipe imports frame mode transmission vibratory sieve 10 long, frame mode transmission vibratory sieve 10 long simultaneously, after series connection series-parallel connection, frame mode transmission vibratory sieve 10 long can
To install wire screen more than 140 mesh, more than 50 μm drilling cuttings major parts of particle diameter are vibrated sieve and remove in such drilling fluid, remaining drilling cuttings
Circulating tank 13 where entering huge discharge centrifuge with drilling fluid.Huge discharge centrifuge treatment discharge capacity ﹥ 60m3/ h, treatment drilling cuttings grain
Footpath is 15-100 μm, is flowed at circulating tank 13 where conventional centrifuge by the drilling fluid after the treatment of huge discharge centrifuge
Reason, 2-45 μm of conventional centrifuge particle separation diameter, treating capacity ﹥ 40m3/h.Processed by the classification of vibratory sieve and centrifuge 12, drilling well
Liquid only remains less than 2 μm of solid phase in theory, and most of drilling cuttings is removed in time by two grades of solid controlling systems.
The two grades of solid controlling systems provided using the utility model, solid control equipment is simplified on circulating tank, overall energy consumption drop
Low, solid control equipment efficiency is improved.
Embodiment 4：
On the basis of above-described embodiment, in the present embodiment, as shown in figure 3, described frame mode transmission vibratory sieve 10 long
Including vibratory sieve casing 3, vibratory sieve base 7 and drilling fluid return groove 6, the vibratory sieve casing 3 be connected with vibratory sieve base 7 and
Vibratory sieve casing 3 is located at the top of vibratory sieve base 7, and the drilling fluid return groove 6 is arranged on vibratory sieve casing 3 and vibratory sieve base
Between 7, the vibratory sieve casing 3 is in narrow frame shape, and bottom is provided with multiple screen clothes 8, the screen cloth 8 in the vibratory sieve casing 3
There is angle between the bottom surface of vibratory sieve casing 3, the top of the vibratory sieve casing 3 is provided with motor plate 2, the top of the motor plate 2
Multiple motors 1 are installed.
The vibratory sieve casing 3 is connected with vibratory sieve base 7 by hydraulic pressure adjuster 5.
Described motor plate 2 is provided with two motors 1.
Bottom is provided with nine pieces of screen clothes 8 in the vibratory sieve casing 3.
The a width of 0.4-1m of casing of the vibratory sieve casing 3, casing length 3-5.5m.
One end of the vibratory sieve casing 3 is provided with deflector 4.
Compact heap 9 is provided with the screen cloth 8.
The utility model can not only remove drilling fluids and drill cuttings, can also realize transmitting drilling cuttings, reduce drilling cuttings moisture content
Effect.After drilling fluid enters vibratory sieve, the residence time in the vibratory sieve casing 7 of frame mode transmission long is more long, and casing is in motor 1
In the presence of produce linear vibration, drilling cuttings is migrated forward, after liquid enters into drilling fluid return groove 6 by wire screen sieve aperture
Collect inflow circulating tank.Next stage vibratory sieve is entered into by deflector 4 while drilling cuttings is migrated forward simultaneously, until migrating to
By equipment such as cages behind vibratory sieve end, it is transported at drilling cuttings accumulation.
The utility model provides a kind of frame mode transmission vibratory sieve long, and the vibratory sieve casing 3 described in the utility model is in
Narrow frame shape, the compass screen surface product of single vibratory sieve quite, is 2.7m with old-fashioned vibratory sieve2Left and right, but narrowed, increased length
Degree, length brings up to nearly 5 meters by common 2.5 meters or so, can also use several first connected, coupled in series of vibration tail ends,
In the case that oscillating screen area is basically unchanged, the vibration length of vibratory sieve is increased, the removing of drilling fluid can be greatly improved
Effect and efficiency, reduce the solid concentration of drilling fluid, and the water content of drilling cuttings is isolated in reduction, and can over long distances be transmitted drilling cuttings,
It is transported to specified location.
Frame mode transmission vibratory sieve long and the contrast of three vibratory sieve disposal abilities that following table is provided for the utility model.
Frame mode transmission vibratory sieve long and three vibratory sieve disposal abilities are contrasted
Above example is only used to illustrate the technical solution of the utility model rather than its limitations；Although with reference to preferably implementation
Example has been described in detail to the utility model, and those of ordinary skill in the art should be understood：Still can be to this reality
Modified with new specific embodiment or equivalent is carried out to some technical characteristics；Without deviating from the utility model
The content of technical scheme, it all should cover in the middle of the claimed technical scheme scope of the utility model.
Claims (9)
1. a kind of one two grades of solidifying and controlling devices of a machine formula are sieved, it is characterised in that：Including multiple circulating tanks（13）, centrifuge（12）And length
Frame mode transmission vibratory sieve（10）, adjacent two circulating tanks（13）Between pass through circulating tank connecting pipeline（14）Connection, it is described from
Scheming（12）Positioned at the circulating tank of end（13）On, the frame mode transmission vibratory sieve long（10）Outlet and circulating tank（13）Enter
Mouth connection.
2. according to claim 1 a kind of one two grades of solidifying and controlling devices of a machine formula are sieved, it is characterised in that：Described frame long transmission
Type vibratory sieve（10）It is multiple, and joins end to end positioned at circulating tank（13）On, the frame mode transmission vibratory sieve described long of front end（10）
Import be connected with feed liquor pipeline（11）.
3. according to claim 1 a kind of one two grades of solidifying and controlling devices of a machine formula are sieved, it is characterised in that：Described frame long transmission
Type vibratory sieve（10）It is multiple, including two frame conveying type vibratory sieves long be arrangeding in parallel（10）With the frame long of multiple head and the tail connections
Conveying type vibratory sieve（10）, two for be arrangeding in parallel the frame conveying type vibratory sieve long（10）Outlet parallel connection after with it is end to end
Front end frame conveying type vibratory sieve long（10）Inlet connection, two for be arrangeding in parallel the frame conveying type vibratory sieve long
（10）Positioned at circulating tank（13）On, the frame conveying type vibratory sieve long of the head and the tail connection（10）Positioned at circulating tank（13）Side.
4. according to claim 1 a kind of one two grades of solidifying and controlling devices of a machine formula are sieved, it is characterised in that：Described centrifuge
（12）Including a huge discharge centrifuge and a conventional centrifuge, the huge discharge centrifuge is located at conventional centrifuge front end,
The huge discharge centrifuge, discharge capacity ﹥ 60m3/ h, centrifuge speed ﹥ 1700r/min, eliminating particle particle size range are 15-100 μm；
Conventional centrifuge, discharge capacity ﹥ 40m3/ h, centrifuge speed scope is 1500-3200r/min, and eliminating particle particle size range is 2-45 μ
m。
5. according to claim 1 a kind of one two grades of solidifying and controlling devices of a machine formula are sieved, it is characterised in that：Described frame long transmission
Type vibratory sieve（10）Including vibratory sieve casing（3）, vibratory sieve base（7）With drilling fluid return groove（6）, the vibratory sieve casing
（3）With vibratory sieve base（7）Connection and vibratory sieve casing（3）Positioned at vibratory sieve base（7）Top, the drilling fluid return groove
（6）It is arranged on vibratory sieve casing（3）With vibratory sieve base（7）Between, the vibratory sieve casing（3）In narrow frame shape, the vibration
Screen box body（3）Interior bottom is provided with multiple screen clothes（8）, the screen cloth（8）With vibratory sieve casing（3）There is angle between bottom surface, institute
State vibratory sieve casing（3）Top is provided with motor plate（2）, the motor plate（2）Top is provided with multiple motors（1）.
6. according to claim 5 a kind of one two grades of solidifying and controlling devices of a machine formula are sieved, it is characterised in that：The vibratory sieve casing
（3）With vibratory sieve base（7）By hydraulic pressure adjuster（5）Connection.
7. according to claim 5 a kind of one two grades of solidifying and controlling devices of a machine formula are sieved, it is characterised in that：Described motor plate
（2）It is provided with two motors（1）.
8. according to claim 5 a kind of one two grades of solidifying and controlling devices of a machine formula are sieved, it is characterised in that：The vibratory sieve casing
（3）The a width of 0.4-1m of casing, casing length 3-5.5m.
9. according to claim 5 a kind of one two grades of solidifying and controlling devices of a machine formula are sieved, it is characterised in that：The vibratory sieve casing
（3）One end be provided with deflector（4）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621001802.5U CN206220893U (en) | 2016-08-31 | 2016-08-31 | A kind of one sieves two grades of solidifying and controlling devices of a machine formula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621001802.5U CN206220893U (en) | 2016-08-31 | 2016-08-31 | A kind of one sieves two grades of solidifying and controlling devices of a machine formula |
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| Publication Number | Publication Date |
|---|---|
| CN206220893U true CN206220893U (en) | 2017-06-06 |
Family
ID=58782990
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621001802.5U Active CN206220893U (en) | 2016-08-31 | 2016-08-31 | A kind of one sieves two grades of solidifying and controlling devices of a machine formula |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106150412A (en) * | 2016-08-31 | 2016-11-23 | 中国石油集团川庆钻探工程有限公司长庆钻井总公司 | A kind of sieve two grades of solidifying and controlling devices of one machine formula |
-
2016
- 2016-08-31 CN CN201621001802.5U patent/CN206220893U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106150412A (en) * | 2016-08-31 | 2016-11-23 | 中国石油集团川庆钻探工程有限公司长庆钻井总公司 | A kind of sieve two grades of solidifying and controlling devices of one machine formula |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201106 Address after: 100007 Dongcheng District, Dongzhimen, China, North Street, No. 9 Oil Mansion, No. Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC Chuanqing Drilling Engineering Co.,Ltd. Address before: Weiyang road 710018 Shaanxi city of Xi'an province Changqing No. 151 building room 1902 Patentee before: CNPC CHUANQING DRILLING ENGINEERING CO., LTD. CHANGQING WELL DRILLING GENERAL Co. |
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| TR01 | Transfer of patent right |