CN103147729A - Under pump mechanical mixing medicine doping pipe column of oil well pump - Google Patents
Under pump mechanical mixing medicine doping pipe column of oil well pump Download PDFInfo
- Publication number
- CN103147729A CN103147729A CN2013100907635A CN201310090763A CN103147729A CN 103147729 A CN103147729 A CN 103147729A CN 2013100907635 A CN2013100907635 A CN 2013100907635A CN 201310090763 A CN201310090763 A CN 201310090763A CN 103147729 A CN103147729 A CN 103147729A
- Authority
- CN
- China
- Prior art keywords
- outer tube
- oil well
- pump
- well pump
- oil
- 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
Images
Abstract
The invention discloses an under pump mechanical mixing medicine doping pipe column of an oil well pump. The pipe column comprises an oil pipe, a hollow sucker rod, an oil well pump sealing connecting-tripping device, the oil well pump, a rotary connecting device and an under pump mechanical mixer; the hollow sucker rod is arranged inside the oil pipe; the lower end of the hollow sucker rod is connected with a plunger of the oil well pump through the oil well pump sealing connecting-tripping device; and the rotary connecting device and the under pump mechanical mixer are sequentially connected with the lower part of the plunger of the oil well pump. The under pump mechanical mixer comprises an outer pipe, a plurality of gears and a plurality of impellers, wherein a rack axially penetrates through the interior of the outer pipe; the gears are respectively meshed with the rack; each gear penetrates through a connecting rod in a connecting way; two ends of the connecting rod are rotationally connected with the inner side wall of the outer pipe; and the impellers are connected with the connecting rod and positioned on two sides of the gears. The pipe column brings the effect of emulsification viscosity reduction of viscosity reducer into full play, and greatly improves the viscous oil recovery effect.
Description
Technical field
The invention relates to mechanical mixture dusting power drug tubing string under a kind of oil pumping pump, it is mainly exploited for oil well dusting power drug chemical viscosity reduction.
Background technology
Viscous crude in China's oil field reserves than horn of plenty, but because its colloid, bitumen content are very high, poor fluidity, thereby the exploitation difficulty is larger.Usually adopt thin oil blending visbreaking, hollow stem electrical heating, mix the technique heavy crude producing such as chemical agent viscosity reduction, the effect of wherein mixing the chemical agent reducing viscosity by emulsifying depends on that chemical agent is in the degree of down-hole and the full and uniform mixing of viscous crude.
Existing casing annulus is mixed the technique of thin oil take the similar principle that mixes as the basis, the overall viscosity of mixed liquid that reduces, but naturally mix with viscous crude by gravity, usually only be improved and mix oil than satisfying normal production, caused to a certain extent the waste of thin oil resource.
Existing blender by the down-hole fluid flow flow velocity wants to obtain desirable mixed effect, and down-hole fluid flow must reach certain speed, and the down-hole feed flow is essential sufficient, has so just received restriction in application facet.Existing mechanical mixer is most complex structure again, the characteristics that processing cost is high.
Summary of the invention
The objective of the invention is, mechanical mixture dusting power drug tubing string under a kind of oil pumping pump is provided, the function that it utilizes sucker rod to move up and down fully mixes and is lifted to smoothly ground with chemical viscosity reduction agent and crude oil.
Above-mentioned purpose of the present invention can adopt following technical proposal to realize:
Mechanical mixture dusting power drug tubing string under a kind of oil pumping pump, described tubing string comprises mechanical mixer under oil pipe, hollow rod, oil well pump sealing on-off connector, oil well pump, revolving joint and pump, described hollow rod is arranged on the inside of oil pipe, the lower end of described hollow rod is connected with the plunger of oil well pump by described oil well pump sealing on-off connector, connects successively mechanical mixer under described revolving joint and pump below the plunger of described oil well pump; Under described pump, mechanical mixer comprises: outer tube axially is equipped with tooth bar in it; A plurality of gears are meshed with tooth bar respectively, and each described gear wears and is connected on a connecting rod, and the two ends of described connecting rod are rotatably connected on the inside wall of described outer tube; A plurality of impellers, it is connected on described connecting rod, and a plurality of impellers are positioned at the both sides of described gear.
Mechanical mixture dusting power drug tubing string under oil pumping pump as above, the relative both sides of described outer tube offer respectively locating hole, are provided with pin in described locating hole, and described pin penetrates an end contact of described locating hole on described tooth bar.
Mechanical mixture dusting power drug tubing string under oil pumping pump as above, described oil well pump sealing on-off connector comprises: spring detent, it connects above-mentioned hollow rod, and the inwall of described spring detent is smooth setting; Core bar, the departing inside that is connected to spring detent, its upper end, the lower end of described core bar is provided with nut, the amount of elastic deformation that is used for regulating spring, the lower end of described core bar connects the plunger of above-mentioned oil well pump, and the upper end outer wall of described core bar offers installing hole, establishes sealing ring in described installing hole; Sliding sleeve, it is fastened on the outside, middle part of core bar, and the lower end of the departing spring detent that is slidably located in is outside; Spring, its lower end that is set in core bar is outside, and the two ends of spring are resisted against respectively sliding sleeve and nut.
Mechanical mixture dusting power drug tubing string under oil pumping pump as above, described revolving joint comprises: the rotation outer tube, it has outer tube body, the lower end of described outer tube body inwardly is provided with the outer tube projection, described outer tube projection is provided with connecting hole, and the upper end of described outer tube body has top connection, and described top connection connects the plunger of described oil well pump, described rotation outer tube rotates with plunger, and the below of described outer tube projection is provided with stop nut; Inner tube, it has interior tube body, the upper end of described interior tube body is provided with the inner tube convex body, described inner tube convex body is connected to the inside of described outer tube body, and be provided with graphite packing between described inner tube convex body and outer tube body, described connecting hole is passed in the lower end of described interior tube body, and the lower end of described interior tube body has lower contact, and described lower contact connects the tooth bar of mechanical mixer under described pump; Bearing, it is connected between described interior tube body and outer tube body, and between described outer tube projection and inner tube convex body.
Under oil pumping pump of the present invention, characteristics and the advantage of mechanical mixture dusting power drug tubing string are: it has given full play to the reducing viscosity by emulsifying effect of thinner, greatly improved the thickened oil recovery effect, effectively improved oil well output, it is simple in structure, cost is low and economy and durability, can satisfy on-the-spot dusting power drug viscosity reduction to the requirement of mix and blend.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, during the below will describe embodiment, the accompanying drawing of required use is done to introduce simply, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of mechanical mixture dusting power drug tubing string under the oil pumping pump of the embodiment of the present invention;
Fig. 2 is the schematic diagram of mechanical mixer under the pump of mechanical mixture dusting power drug tubing string under the oil pumping pump of the embodiment of the present invention;
Fig. 2 A is the cross section enlarged diagram of mechanical mixer under the pump of mechanical mixture dusting power drug tubing string under the oil pumping pump of the embodiment of the present invention;
Fig. 3 be mechanical mixture dusting power drug tubing string under the oil pumping pump of the embodiment of the present invention oil well pump sealing on-off connector partly cut open schematic diagram;
Fig. 4 be mechanical mixture dusting power drug tubing string under the oil pumping pump of the embodiment of the present invention revolving joint partly cut open schematic diagram.
The part description of reference numerals:
T sleeve pipe Y oil reservoir D artificial bottom of a well
The specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
As shown in Figures 1 to 4, the present invention proposes mechanical mixture dusting power drug tubing string under a kind of oil pumping pump, it comprises mechanical mixer 6 under oil pipe 1, hollow rod 2, oil well pump sealing on-off connector 3, oil well pump 4, revolving joint 5 and pump, described hollow rod 2 is arranged on the inside of oil pipe 1, the lower end of described hollow rod 2 is connected with the plunger of oil well pump 4 by described oil well pump sealing on-off connector 3, connects successively mechanical mixer 6 under described revolving joint 5 and pump below the plunger of described oil well pump 4.Under described pump, mechanical mixer 6 comprises outer tube 6a, a plurality of gear 6b and a plurality of impeller 6c.Axially be equipped with tooth bar 6d in described outer tube 6a; A plurality of gear 6c are meshed with tooth bar 6d respectively, and each described gear 6b wears and is connected on a connecting rod 6e, and the two ends of described connecting rod 6e are rotatably connected on the inside wall of described outer tube 6a; A plurality of impeller 6c are connected on described connecting rod 6e, and a plurality of impeller 6c are positioned at the both sides of described gear 6b.
The two ends of described connecting rod 6e are rotatably connected to by bearing on the relative inner wall of outer tube 6a, and described gear 6b, connecting rod 6e are fixedly connected with impeller 6c, and when gear 6b rotated, connecting rod 6e and impeller 6c also rotated thereupon.Wherein, be connected with a gear 6b and two impeller 6c on each connecting rod 6e, two impeller 6c lay respectively at the both sides of gear 6b.
Coordinate shown in Fig. 2 A, the relative both sides of described outer tube 6a offer respectively locating hole 6f, are provided with pin in described locating hole 6f, and described pin penetrates the end contact of described locating hole 6f on described tooth bar 6d.Herein, described locating hole 6f is opened on the inside wall of outer tube 6a of both sides, front and back of tooth bar 6d, the axis at two locating hole 6f places is perpendicular with the line of the gear 6b that is positioned at the tooth bar 6d left and right sides, so wear pin in locating hole 6f, by pin, both sides before and after tooth bar 6d are positioned, guarantee axially placed in the middle setting of tooth bar 6d.
The present embodiment is connected to mechanical mixer under said pump 6 and revolving joint 5 below of oil well pump 4 in use, with it with the pump line projected depth of G.I.H together; Then oil well pump is sealed on-off connector 3 and link together with hollow rod 2, the designated depth of G.I.H in pump line links together above the plunger by oil well pump sealing on-off connector 3 and oil well pump 4 smoothly.Seal under the plunger, revolving joint 5, pump of on-off connector 3, oil well pump 4 mechanical mixer 6 when the thinner on ground from hollow rod 2 by oil well pump and be injected into the oil well bottom, together pass through mechanical mixer 6 under pump with formation fluid.
The plunger and the tooth bar 6d that drive oil well pump 4 due to described hollow rod 2 axially move up and down, due to tooth bar 6d and gear 6c engagement, tooth bar 6d moves up and down driven gear 6c rotation, and then drivening rod 6e rotation, be connected to impeller 6c on connecting rod 6e also axial-rotation under the rotary action of connecting rod 6e.The rotation of a plurality of impeller 6c will drive the down-hole fluid flow High Rotation Speed, make the well-mixed effect of chemical viscosity reduction agent and viscous crude, and well-mixed mixed liquor is lifted to ground smoothly through hollow rod 2.
The tubing string of the present embodiment has been given full play to the reducing viscosity by emulsifying effect of thinner, has greatly improved the thickened oil recovery effect, has effectively improved oil well output, and it is simple in structure, cost is low and economy and durability, can satisfy on-the-spot dusting power drug viscosity reduction to the requirement of mix and blend.
Coordinate shown in Figure 3ly, according to an embodiment of the invention, described oil well pump sealing on-off connector 3 comprises spring detent 3a, core bar 3b, sliding sleeve 3c and spring 3d.Described spring detent 3a connects above-mentioned hollow rod 2, and the inwall of described spring detent 3a is smooth setting; The departing inside that is connected to spring detent 3a, the upper end of described core bar 3b, the upper end outer wall of described core bar 3b offers installing hole, establish sealing ring 3e in described installing hole, the lower end of described core bar 3b is connected with nut 3f, the amount of elastic deformation that is used for regulating spring 3d, described core bar 3b connects the plunger of above-mentioned oil well pump 4; Described sliding sleeve 3c is fastened on the outside, middle part of core bar 3b, and the lower end of the spring detent 3a that is slidably located in separatably is outside; Described spring 3d is set in the outside, lower end of core bar 3b, and the two ends of spring 3d are resisted against respectively sliding sleeve 3c and nut 3f.
At first the present embodiment makes spring 3d be in relaxed state by nut 3f when actual underground work, and spring detent 3a and core bar 3b are separated from; Described core bar 3b is tightened on the plunger of oil well pump 4, and together with the plunger of oil well pump 4 together at the bottom of lower going-into-well, plunger is put into oil well pump 4 with core bar 3b; Then described spring detent 3a upper end screw thread is fixed on hollow rod 2, with core bar 3b and hollow rod 2 more together at the bottom of lower going-into-well, because establishing into the state that makes spring detent 3a initially slightly expand outwardly of sliding sleeve 3c is retracted, thereby spring detent 3a and core bar 3b are linked together well, spring detent 3a is with after core bar 3b docks successfully, and oil well pump sealing this moment on-off connector 3 is duty.During lower subjob, only need hollow rod 2 is upwards carried, treat through pump line undergauge place, make sliding sleeve 3c and spring detent 3a produce relative displacement, thereby spring detent 3a is detached in sliding sleeve 3c, oil well pump sealing on-off connector 3 is thrown off automatically.
Coordinate shown in Figure 4ly, according to an embodiment of the invention, described revolving joint 5 comprises rotation outer tube 5a, inner tube 5b and bearing 5c.Described rotation outer tube 5a has outer tube body 5a1, the lower end of described outer tube body 5a inwardly is provided with outer tube projection 5a2, described outer tube projection 5a2 is provided with connecting hole 5a3, and the below of outer tube projection 5a2 is provided with stop nut 5a5, the upper end of described outer tube body 5a has top connection 5a4, described top connection 5a4 connects the plunger of described oil well pump 4, and described rotation outer tube 5a rotates with plunger; Described inner tube 5b has interior tube body 5b1, the upper end of described interior tube body 5b1 is provided with inner tube convex body 5b2, described inner tube convex body 5b2 is connected to the inside of described outer tube body 5b1, and be provided with graphite packing 5d between described inner tube convex body 5b2 and outer tube body 5a1, the lower end of described interior tube body 5b1 has lower contact 5b3, and described lower contact 5b3 connects the tooth bar 6d of mechanical mixer 6 under described pump; Described bearing 5c is connected between described interior tube body 5b1 and outer tube body 5a1, and between described outer tube projection 5a2 and inner tube convex body 5b2.
In the present embodiment, when described rotation outer tube 5a with plunger, fine rotation occurs, be relatively-stationary but inner tube 5b rotates outer tube 5a relatively, namely inner tube 5b is along with rotation outer tube 5a rotates.When the plunger of described oil well pump 4 moved up and down along with hollow rod 2, rotation outer tube 5a, inner tube 5b and tooth bar 6d were also along with moving up and down, and then impeller 6c rotates.
The embodiment of the present invention make thinner and shaft bottom viscous crude be mixed to get easier, more fully, cost is low, take full advantage of the kinetic energy that the hollow rod 2 of adapted with it moves up and down, be the kinetic energy of mechanical mixer 6 interior impellers under pump with its kinetic transformation, form powerful aerodynamic field under pump, make thinner mix more even with the shaft bottom viscous crude, give full play to the effect of thinner, reach the effect that reduces viscosity of thickened oil, and smoothly reducing thick oil viscosity is lifted to ground.
The above is only several embodiments of the present invention, and those skilled in the art can carry out various changes to the embodiment of the present invention according to application documents are disclosed, modification or combination and do not break away from the spirit and scope of the present invention.
Claims (4)
1. mechanical mixture dusting power drug tubing string under an oil pumping pump, it is characterized in that, described tubing string comprises mechanical mixer under oil pipe, hollow rod, oil well pump sealing on-off connector, oil well pump, revolving joint and pump, described hollow rod is arranged on the inside of oil pipe, the lower end of described hollow rod is connected with the plunger of oil well pump by described oil well pump sealing on-off connector, connects successively mechanical mixer under described revolving joint and pump below the plunger of described oil well pump;
Under described pump, mechanical mixer comprises:
Outer tube axially is equipped with tooth bar in it;
A plurality of gears are meshed with tooth bar respectively, and each described gear wears and is connected on a connecting rod, and the two ends of described connecting rod are rotatably connected on the inside wall of described outer tube;
A plurality of impellers, it is connected on described connecting rod, and a plurality of impellers are positioned at the both sides of described gear.
2. mechanical mixture dusting power drug tubing string under oil pumping pump according to claim 1, it is characterized in that, the relative both sides of described outer tube offer respectively locating hole, are provided with pin in described locating hole, and described pin penetrates an end contact of described locating hole on described tooth bar.
3. mechanical mixture dusting power drug tubing string under oil pumping pump according to claim 1, is characterized in that, described oil well pump sealing on-off connector comprises:
Spring detent, it connects above-mentioned hollow rod, and the inwall of described spring detent is smooth setting;
Core bar, the departing inside that is connected to spring detent, its upper end, the lower end of described core bar is provided with nut, the amount of elastic deformation that is used for regulating spring, the lower end of described core bar connects the plunger of above-mentioned oil well pump, and the upper end outer wall of described core bar offers installing hole, establishes sealing ring in described installing hole;
Sliding sleeve, it is fastened on the outside, middle part of core bar, and the lower end of the departing spring detent that is slidably located in is outside;
Spring, its lower end that is set in core bar is outside, and the two ends of spring are resisted against respectively sliding sleeve and nut.
4. mechanical mixture dusting power drug tubing string under oil pumping pump according to claim 1, is characterized in that, described revolving joint comprises:
The rotation outer tube, it has outer tube body, the lower end of described outer tube body inwardly is provided with the outer tube projection, described outer tube projection is provided with connecting hole, the upper end of described outer tube body has top connection, described top connection connects the plunger of described oil well pump, and described rotation outer tube rotates with plunger, and the below of described outer tube projection is provided with stop nut;
Inner tube, it has interior tube body, the upper end of described interior tube body is provided with the inner tube convex body, described inner tube convex body is connected to the inside of described outer tube body, and be provided with graphite packing between described inner tube convex body and outer tube body, described connecting hole is passed in the lower end of described interior tube body, and the lower end of described interior tube body has lower contact, and described lower contact connects the tooth bar of mechanical mixer under described pump;
Bearing, it is connected between described interior tube body and outer tube body, and between described outer tube projection and inner tube convex body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310090763.5A CN103147729B (en) | 2013-03-21 | 2013-03-21 | Under pump mechanical mixing medicine doping pipe column of oil well pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310090763.5A CN103147729B (en) | 2013-03-21 | 2013-03-21 | Under pump mechanical mixing medicine doping pipe column of oil well pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103147729A true CN103147729A (en) | 2013-06-12 |
| CN103147729B CN103147729B (en) | 2015-07-08 |
Family
ID=48546012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310090763.5A Active CN103147729B (en) | 2013-03-21 | 2013-03-21 | Under pump mechanical mixing medicine doping pipe column of oil well pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103147729B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104975824A (en) * | 2015-07-06 | 2015-10-14 | 中国石油化工股份有限公司 | Oil recovery method for casing leaked well and dual-tubing oil recovery string adopted therein |
| CN106194048A (en) * | 2016-08-29 | 2016-12-07 | 王国良 | Conduct electricity quiet dynamic conversion attachment means |
| CN111502621A (en) * | 2020-05-25 | 2020-08-07 | 程雅雯 | Thick oil double-injection thin-extraction device |
| CN112228009A (en) * | 2020-12-14 | 2021-01-15 | 东营华辰石油装备有限公司 | Wellhead continuous dosing device and dosing method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4481020A (en) * | 1982-06-10 | 1984-11-06 | Trw Inc. | Liquid-gas separator apparatus |
| US5482117A (en) * | 1994-12-13 | 1996-01-09 | Atlantic Richfield Company | Gas-liquid separator for well pumps |
| WO1999063201A1 (en) * | 1998-06-01 | 1999-12-09 | Atlantic Richfield Company | Method and system for separating and injecting gas in a wellbore |
| US6761215B2 (en) * | 2002-09-06 | 2004-07-13 | James Eric Morrison | Downhole separator and method |
| RU2327866C2 (en) * | 2006-06-22 | 2008-06-27 | Закрытое Акционерное Общество "Новомет-Пермь" | Gas separator |
| CN201121492Y (en) * | 2007-11-30 | 2008-09-24 | 新疆石油管理局采油工艺研究院 | Built-in anti-releasing device for sucker rod |
| CN201407022Y (en) * | 2009-04-13 | 2010-02-17 | 中国海洋石油总公司 | Hydraulic drive type mixer for polymer injection |
| CN201874540U (en) * | 2010-12-03 | 2011-06-22 | 中国石油天然气股份有限公司 | Oil production tubing string |
-
2013
- 2013-03-21 CN CN201310090763.5A patent/CN103147729B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4481020A (en) * | 1982-06-10 | 1984-11-06 | Trw Inc. | Liquid-gas separator apparatus |
| US5482117A (en) * | 1994-12-13 | 1996-01-09 | Atlantic Richfield Company | Gas-liquid separator for well pumps |
| WO1999063201A1 (en) * | 1998-06-01 | 1999-12-09 | Atlantic Richfield Company | Method and system for separating and injecting gas in a wellbore |
| US6761215B2 (en) * | 2002-09-06 | 2004-07-13 | James Eric Morrison | Downhole separator and method |
| RU2327866C2 (en) * | 2006-06-22 | 2008-06-27 | Закрытое Акционерное Общество "Новомет-Пермь" | Gas separator |
| CN201121492Y (en) * | 2007-11-30 | 2008-09-24 | 新疆石油管理局采油工艺研究院 | Built-in anti-releasing device for sucker rod |
| CN201407022Y (en) * | 2009-04-13 | 2010-02-17 | 中国海洋石油总公司 | Hydraulic drive type mixer for polymer injection |
| CN201874540U (en) * | 2010-12-03 | 2011-06-22 | 中国石油天然气股份有限公司 | Oil production tubing string |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104975824A (en) * | 2015-07-06 | 2015-10-14 | 中国石油化工股份有限公司 | Oil recovery method for casing leaked well and dual-tubing oil recovery string adopted therein |
| CN106194048A (en) * | 2016-08-29 | 2016-12-07 | 王国良 | Conduct electricity quiet dynamic conversion attachment means |
| CN111502621A (en) * | 2020-05-25 | 2020-08-07 | 程雅雯 | Thick oil double-injection thin-extraction device |
| CN111502621B (en) * | 2020-05-25 | 2022-04-01 | 山东立鑫石油机械制造有限公司 | Thick oil double-injection thin-extraction device |
| CN112228009A (en) * | 2020-12-14 | 2021-01-15 | 东营华辰石油装备有限公司 | Wellhead continuous dosing device and dosing method thereof |
| CN112228009B (en) * | 2020-12-14 | 2021-03-02 | 东营华辰石油装备有限公司 | Wellhead continuous dosing device and dosing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103147729B (en) | 2015-07-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103147729B (en) | Under pump mechanical mixing medicine doping pipe column of oil well pump | |
| CN202689936U (en) | Water power hydraulic vibrator | |
| CN201295601Y (en) | Bidirectional stirring device of emulsifying machine | |
| CN106948760A (en) | A kind of coiled tubing drilling small size hydraulic oscillation resistance absorber | |
| CN112973539B (en) | Adding device for oil fracturing fluid sand mixing | |
| CN108654420B (en) | Bidirectional rotation stirring assembly, stirrer using same and working method thereof | |
| CN105332655A (en) | Three-dimensional hydroscillator | |
| CN108080410A (en) | A kind of remediation contaminated soil equipment with double-stirring machine structure | |
| CN201218092Y (en) | Vane type bidirectional vortex flow cavity static mixer | |
| CN202325239U (en) | Hydraulic jetting radial drilling device | |
| CN205422537U (en) | Two effect water conservancy vibration drag reduction drilling tools of turbine powered | |
| CN104832094B (en) | Long auger base expanding and base expanding complexes and expanding method | |
| CN205469939U (en) | Cosmetics cream frost liquid filling machine | |
| CN206381921U (en) | Pellet blender | |
| CN109675457B (en) | Bidirectional rotation stirring assembly, stirrer using same and working method thereof | |
| CN105715246A (en) | Wireless control electric repeated opening-closing type sliding sleeve sand jet | |
| CN210562153U (en) | Reverse stirring transmission mechanism and device, bidirectional stirring drill bit and stirring pile machine | |
| CN209724306U (en) | A kind of conveying device of carbon dioxide drive | |
| CN205063870U (en) | Turbo drive detritus bed clearing device | |
| CN204193842U (en) | Mixer | |
| CN205578550U (en) | Utilize fricative drilling rod clutch of liquid | |
| CN203362031U (en) | Rotary excavating drilling machine four-driving power device | |
| CN203035173U (en) | Mechanical blender blending drugs under pump | |
| CN206168275U (en) | Putty powder mixer | |
| CN205199402U (en) | Mediation cauldron of stirring |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: He Chuanxing Inventor after: Li Xin Inventor after: Lan Bin Inventor after: Sun Guhua Inventor after: Yang Dongmei Inventor after: Fu Ning Inventor after: Gao Yansheng Inventor after: Gu Hui Inventor after: Zhao Shujie Inventor after: Wang Wei Inventor after: Zhang Liyun Inventor after: Qi Yong Inventor after: Chen Nan Inventor after: Tong Xiufeng Inventor after: Yu Lihong Inventor after: Guo Minggang Inventor after: Li Hongjun Inventor after: Zhang Jiguang Inventor after: Zheng Hecheng Inventor after: Ye Ming Inventor after: Xia Yan Inventor after: Wei Xiaoming Inventor after: Wei Kai Inventor after: Zhang Hongbao Inventor after: Liu Zuhe Inventor after: Li Chunzhi Inventor after: Li Ping Inventor after: Ma Xiangyu Inventor before: He Chuanxing Inventor before: Li Xin Inventor before: Lan Bin Inventor before: Sun Guhua Inventor before: Yang Dongmei Inventor before: Fu Ning Inventor before: Gao Yansheng Inventor before: Gu Hui Inventor before: Zhao Shujie Inventor before: Wang Wei Inventor before: Zhang Liyun Inventor before: Qi Yong Inventor before: Wei Xiaoming Inventor before: Wei Kai Inventor before: Zhang Hongbao Inventor before: Liu Zuhe Inventor before: Li Chunzhi Inventor before: Li Ping Inventor before: Ma Xiangyu |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: HE CHUANXING QI YONG WEI XIAOMING WEI KAI ZHANG HONGBAO LIU ZUHE LI CHUNZHI LI PING MA XIANGYU LI XIN LAN BIN SUN GUHUA YANG DONGMEI FU NING GAO YANSHENG GU HUI ZHAO SHUJIE WANG WEI ZHANG LIYUN TO: HE CHUANXING QI YONG WEI XIAOMING WEI KAI ZHANG HONGBAO LIU ZUHE LI CHUNZHI LI PING MA XIANGYU LI XIN LAN BIN SUN GUHUA YANG DONGMEI FU NING GAO YANSHENG GU HUI ZHAO SHUJIE WANG WEI ZHANG LIYUN CHEN NAN TONG XIUFENG YU LIHONG GUO MINGGANG LI HONGJUN ZHANG JIGUANG ZHENG HECHENG YE MING XIA YAN |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |