CN103147729B - 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
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- CN103147729B CN103147729B CN201310090763.5A CN201310090763A CN103147729B CN 103147729 B CN103147729 B CN 103147729B CN 201310090763 A CN201310090763 A CN 201310090763A CN 103147729 B CN103147729 B CN 103147729B
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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 for the exploitation of oil well dusting power drug chemical viscosity reduction.
Background technology
Viscous crude at China's oil field reserves comparatively horn of plenty, but due to its colloid, bitumen content very high, poor fluidity, thus exploit difficulty larger.Usual employing thin oil blending visbreaking, hollow stem electrical heating, mix the technique heavy crude producings such as chemical agent viscosity reduction, the effect of wherein mixing chemical agent reducing viscosity by emulsifying depends on the degree of chemical agent in down-hole and the full and uniform mixing of viscous crude.
The technique of existing casing annulus mixing light oil is based on the similar principle that mixes, overall reduction viscosity of mixed liquid, but naturally mix with viscous crude by gravity, be usually only improved and mix oil than normal production could be met, cause the waste of thin oil resource to a certain extent.
The existing blender by down-hole fluid flow flow velocity wants to obtain desirable mixed effect, and down-hole fluid flow must reach certain speed, and down-hole feed flow is required sufficient, so just have received restriction in application aspect.Existing mechanical mixer is most complex structure again, the feature that processing cost is high.
Summary of the invention
The object of the invention is, provide mechanical mixture dusting power drug tubing string under a kind of oil pumping pump, its function utilizing sucker rod to move up and down, fully mixes chemical viscosity reduction agent with crude oil and is lifted to ground smoothly.
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 comprise oil pipe, hollow rod, oil well pump sealing on-off connector, oil well pump, revolving joint and pump under mechanical mixer, 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 mechanical mixer under described revolving joint and pump below the plunger of described oil well pump successively; Under described pump, mechanical mixer comprises: outer tube, is axially equipped with tooth bar in it; Multiple gear, is 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; Multiple impeller, it is connected on described connecting rod, and multiple impeller is 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 locating hole respectively, are provided with pin in described locating hole, and described pin penetrates one 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, and it connects above-mentioned hollow rod, and the inwall of described spring detent is smooth setting; Core bar, the departing inside being connected to spring detent, its upper end, the lower end of described core bar is provided with nut, for the amount of elastic deformation of 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 outside the 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 being set in core bar is outside, and the two ends of spring are resisted against sliding sleeve and nut respectively.
Mechanical mixture dusting power drug tubing string under oil pumping pump as above, described revolving joint comprises: spun outer tube, it has outer tube body, the lower end of described outer tube body is inwardly provided with 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 spun outer tube rotates with plunger, and the below of described outer tube projection is provided with stop nut; Interior pipe, it has interior tube body, the upper end of described interior tube body is provided with interior pipe convex body, described interior pipe convex body is connected to the inside of described outer tube body, and be provided with graphite packing between described interior pipe convex body and outer tube body, the lower end of described interior tube body is through described connecting hole, 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 interior pipe convex body.
Under oil pumping pump of the present invention, the feature of mechanical mixture dusting power drug tubing string and advantage are: it has given full play to the reducing viscosity by emulsifying effect of thinner, substantially improve thickened oil recovery effect, effectively improve oil well output, its structure is simple, cost is low and economy and durability, can meet on-the-spot dusting power drug viscosity reduction to the requirement of mix and blend.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
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 the revolving joint of mechanical mixture dusting power drug tubing string under the oil pumping pump of the embodiment of the present invention partly cut open schematic diagram.
Part description of reference numerals:
T sleeve pipe Y oil reservoir D artificial bottom of a well
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
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 comprise oil pipe 1, hollow rod 2, oil well pump sealing on-off connector 3, oil well pump 4, revolving joint 5 and pump under mechanical mixer 6, 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 mechanical mixer 6 under described revolving joint 5 and pump below the plunger of described oil well pump 4 successively.Under described pump, mechanical mixer 6 comprises outer tube 6a, multiple gear 6b and multiple impeller 6c.Axially tooth bar 6d is equipped with in described outer tube 6a; Multiple gear 6b is 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; Multiple impeller 6c is connected on described connecting rod 6e, and multiple impeller 6c is positioned at the both sides of described gear 6b.
The two ends of described connecting rod 6e are rotatably connected on the relative inner wall of outer tube 6a by bearing, and described gear 6b, connecting rod 6e are fixedly connected with impeller 6c, and when gear 6b rotates, connecting rod 6e and impeller 6c also rotates thereupon.Wherein, each connecting rod 6e is connected with an a gear 6b and two impeller 6c, 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 locating hole 6f respectively, are provided with pin in described locating hole 6f, and described pin penetrates one end contact of described locating hole 6f on described tooth bar 6d.Herein, described locating hole 6f is opened on the inside wall of the outer tube 6a of the 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 being positioned at the tooth bar 6d left and right sides, so in locating hole 6f, wear pin, to be positioned both sides before and after tooth bar 6d by pin, ensure that tooth bar 6d is axially placed in the middle and arrange.
Mechanical mixer under said pump 6 and revolving joint 5 in use, are connected to the below of oil well pump 4 by the present embodiment, by its projected depth with pump line together G.I.H; Then oil well pump is sealed on-off connector 3 to link together with hollow rod 2, the designated depth of G.I.H in pump line, link together smoothly by above oil well pump sealing on-off connector 3 and the plunger of oil well pump 4.When ground thinner from hollow rod 2 by oil well pump sealing on-off connector 3, the plunger of oil well pump 4, revolving joint 5, pump mechanical mixer 6 be injected into bottom oil well, with formation fluid together mechanical mixer 6 under pump.
Because described hollow rod 2 drives the plunger of oil well pump 4 and tooth bar 6d axially to move up and down, because tooth bar 6d engages with gear 6b, the then driven gear 6b that moves up and down of tooth bar 6d rotates, and then drivening rod 6e rotates, be connected to impeller 6c on connecting rod 6e also axial-rotation under the rotary action of connecting rod 6e.The rotation of multiple impeller 6c will drive down-hole fluid flow High Rotation Speed, and make chemical viscosity reduction agent and the well-mixed effect of viscous crude, well-mixed mixed liquor is lifted to ground smoothly through hollow rod 2.
The tubing string of the present embodiment has given full play to the reducing viscosity by emulsifying effect of thinner, substantially improves thickened oil recovery effect, effectively improves oil well output, and its structure is simple, cost is low and economy and durability, can meet on-the-spot dusting power drug viscosity reduction to the requirement of mix and blend.
Coordinate shown in Fig. 3, 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 being connected to spring detent 3a, upper end of described core bar 3b, the upper end outer wall of described core bar 3b offers installing hole, sealing ring 3e is established in described installing hole, the lower end of described core bar 3b is connected with nut 3f, for the amount of elastic deformation of regulating spring 3d, described core bar 3b connects the plunger of above-mentioned oil well pump 4; Described sliding sleeve 3c is fastened on outside the middle part of core bar 3b, and the lower end of the spring detent 3a that is slidably located in separatably is outside; The lower end that described spring 3d is set in core bar 3b is outside, and the two ends of spring 3d are resisted against sliding sleeve 3c and nut 3f respectively.
The present embodiment, when actual underground work, first makes spring 3d be in relaxed state by nut 3f, is separated from by spring detent 3a and core bar 3b; Described core bar 3b is tightened on the plunger of oil well pump 4, and by core bar 3b together with the plunger of oil well pump 4 together at the bottom of lower going-into-well, plunger puts into oil well pump 4; Then described spring detent 3a threaded upper ends is fixed on hollow rod 2, by core bar 3b and hollow rod 2 again together with at the bottom of lower going-into-well, because the state into making spring detent 3a initially slightly expand outwardly of establishing of sliding sleeve 3c is retracted, thus spring detent 3a and core bar 3b is linked together well, spring detent 3a docks successfully with core bar 3b, and now oil well pump sealing on-off connector 3 is duty.During lower subjob, only hollow rod 2 upwards need be carried, treat through pump line undergauge place, make sliding sleeve 3c and spring detent 3a produce relative displacement, thus spring detent 3a is detached in sliding sleeve 3c, oil well pump sealing on-off connector 3 is thrown off automatically.
Coordinate shown in Fig. 4, according to an embodiment of the invention, described revolving joint 5 comprises spun outer tube 5a, interior pipe 5b and bearing 5c.Described spun outer tube 5a has outer tube body 5a1, the lower end of described outer tube body 5a is inwardly 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 spun outer tube 5a rotates with plunger; Described interior pipe 5b has interior tube body 5b1, the upper end of described interior tube body 5b1 is provided with interior pipe convex body 5b2, described interior pipe convex body 5b2 is connected to the inside of described outer tube body 5b1, and be provided with graphite packing 5d between described interior pipe 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 interior pipe convex body 5b2.
In the present embodiment, when described spun outer tube 5a, with plunger, fine rotation occurs, but interior pipe 5b is relatively-stationary relative to spun outer tube 5a, and namely, pipe 5b is not along with spun outer tube 5a rotates.When the plunger of described oil well pump 4 moves up and down along with hollow rod 2, spun outer tube 5a, interior pipe 5b and tooth bar 6d are 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, the kinetic energy that the hollow rod 2 making full use of adapted with it moves up and down, be the kinetic energy of impeller in mechanical mixer 6 under pump by its kinetic transformation, powerful aerodynamic field is formed under pump, thinner is made to mix more even with shaft bottom viscous crude, give full play to the effect of thinner, reach the effect reducing viscosity of thickened oil, and smoothly reducing thick oil viscosity is lifted to ground.
The foregoing is only several embodiments of the present invention, those skilled in the art according to carrying out various change to the embodiment of the present invention disclosed in application documents, modification or combination and do not depart from the spirit and scope of the present invention.
Claims (3)
1. mechanical mixture dusting power drug tubing string under an oil pumping pump, it is characterized in that, described tubing string comprise oil pipe, hollow rod, oil well pump sealing on-off connector, oil well pump, revolving joint and pump under mechanical mixer, 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 mechanical mixer under described revolving joint and pump below the plunger of described oil well pump successively;
Under described pump, mechanical mixer comprises:
Outer tube, is axially equipped with tooth bar in it;
Multiple gear, is 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;
Multiple impeller, it is connected on described connecting rod, and multiple impeller is positioned at the both sides of described gear;
Described revolving joint comprises:
Spun outer tube, it has outer tube body, the lower end of described outer tube body is inwardly provided with 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 spun outer tube rotates with plunger, and the below of described outer tube projection is provided with stop nut;
Interior pipe, it has interior tube body, the upper end of described interior tube body is provided with interior pipe convex body, described interior pipe convex body is connected to the inside of described outer tube body, and be provided with graphite packing between described interior pipe convex body and outer tube body, the lower end of described interior tube body is through described connecting hole, 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 interior pipe convex body.
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 locating hole respectively, are provided with pin in described locating hole, and described pin penetrates one 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 being connected to spring detent, its upper end, the lower end of described core bar is provided with nut, for the amount of elastic deformation of 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 outside the 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 being set in core bar is outside, and the two ends of spring are resisted against sliding sleeve and nut respectively.
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 |
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| 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 |
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| CN103147729A CN103147729A (en) | 2013-06-12 |
| CN103147729B true CN103147729B (en) | 2015-07-08 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104975824B (en) * | 2015-07-06 | 2018-03-02 | 中国石油化工股份有限公司 | The oil production method and its dual tubing oil recovery tubing string of a kind of casing leakage well |
| CN106194048B (en) * | 2016-08-29 | 2018-06-19 | 王国良 | Conductive quiet turn changes attachment 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 |
| 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 |
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| US5482117A (en) * | 1994-12-13 | 1996-01-09 | Atlantic Richfield Company | Gas-liquid separator for well pumps |
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| US6761215B2 (en) * | 2002-09-06 | 2004-07-13 | James Eric Morrison | Downhole separator and method |
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| 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 |
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| 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 |
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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 |
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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 |
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