CN106640587A - Double-tube pump - Google Patents
Double-tube pump Download PDFInfo
- Publication number
- CN106640587A CN106640587A CN201611015561.4A CN201611015561A CN106640587A CN 106640587 A CN106640587 A CN 106640587A CN 201611015561 A CN201611015561 A CN 201611015561A CN 106640587 A CN106640587 A CN 106640587A
- Authority
- CN
- China
- Prior art keywords
- pump
- pump body
- main pump
- double
- seat
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B23/00—Pumping installations or systems
- F04B23/04—Combinations of two or more pumps
- F04B23/08—Combinations of two or more pumps the pumps being of different types
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B47/00—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B47/00—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps
- F04B47/005—Sand trap arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/22—Arrangements for enabling ready assembly or disassembly
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/02—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being liquid
- F04F5/10—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being liquid displacing liquids, e.g. containing solids, or liquids and elastic fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/44—Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
- F04F5/46—Arrangements of nozzles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Rotary Pumps (AREA)
- Jet Pumps And Other Pumps (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a double-tube pump which comprises a main pump body, a jet pump, an expansion slip assembly, a cone, a plurality of friction plates, a friction seat, a sieve tube, a lower choke plug and a changeable buckle, wherein the jet pump is arranged on the upper part of the main pump body; the friction base and the expansion slip assembly are arranged on the main pump body at intervals; the friction plates are arranged on the friction seat; and the cone is arranged on a position above the expansion slip assembly. The double-tube pump is delicate and reasonable in structural design, is fewer in requirement on a well condition of an oil well, is suitable for production fluid profile test of various difficult trouble wells, and does not cause problems such as cable blocking and cable winding which frequently appear in an annulus test. Moreover, the double-tube pump has a sand-preventing effect, prevents large and small particles as well as mechanical purities in a well liquid from entering the pump, effectively solves pump faults caused by spray nozzle blockage, ensures working time of a down-hole pump, increases a pump-throwing once success rate of the jet pump, can meet production requirements, and also can provide a basis of timely knowing various dynamic data of a production well, scientifically performing oil-field dynamic management and regulating production technical parameters.
Description
Technical field
The present invention relates to petroleum machinery test pump housing technical field, and in particular to a kind of double-tube pump.
Background technology
When oil field produces, need to be monitored oil field Production development, such as measure pressure, production profile, intake profile
And every oil well dynamic and static state parameters such as layerwise production data, can in time understand various dynamic datas, the science of producing well
Carry out oil field dynamic research management and technological production norm adjustment provide foundation.
Mainly there are these three methods to be monitored at present：
1st, annulus logging method, it is relatively low to technical requirements, but, the requirement to hole condition is higher, i.e., with most basic test side
Method is obtaining test data；It has the disadvantage that the rod-pumped well application of decentralized wellhead can only be mounted with, it is desired to which hole condition is good and well
Down without major diameter downhole tools such as packer, tubing anchors, and affected by factors such as hole deviation, viscous crude, there is certain limitation.
2nd, gas lift method, it will have the special equipment such as special gas lift string and parallel port high pressure seal and pressure windmill.Its
Have the disadvantage complex operation, while being affected by source of the gas, work progress security is poor.
3rd, Mechanical Method, it carries out individual layer and seeks product using multiple-string packer, carries out single-interval test.It has the disadvantage that technique is loaded down with trivial details,
Long construction period.Above method of testing, come with some shortcomings part, has significant limitation in applying at the scene.
The content of the invention
For above-mentioned deficiency, it is an object of the present invention to provide a kind of smart structural design, reasonable, the hole condition to oil well
Require few, the producing profile testing of suitable all kinds of difficult oil wells, using simply and easily double-tube pump.
For achieving the above object, technical scheme provided by the present invention is：
A kind of double-tube pump, it include main pump body, jet pump, expansion slip assemblies, cone, friction plate, friction seat, screen casing,
Lower end cap and variable buckle, the side position concave shape of top one of the main pump body is into for installing the installation position of jet pump, jet pump position
On the installation position, and the injection line being connected with the jet pump is provided with the bottom of main pump body, is set on the installation position
There is the pump case for coating in the jet pump, the lower end cap is arranged on the lower end of injection line, on the lower sides of the main pump body
The radial direction through hole being connected with injection line is provided with, the position of screen casing correspondence radial direction through hole is set on main pump body, the variable buckle
The lower end of main pump body is arranged on, the friction seat and the expansion slip assemblies are disposed on the medium position of main pump body, many
Piece friction plate is symmetricly set on friction seat by axle center of the axis of main pump body in axle center, and the lower end of the friction plate and friction seat
It is connected, upper end is connected with expansion slip assemblies, the top position of the cone correspondence expansion slip assemblies is set in main pump
On body.
As a modification of the present invention, the pilot hole being adapted with main pump body is provided with the middle part of the cone, the cone
Lateral wall top be radially provided with locking screw holes, and lock screw is provided with the locking screw holes, the lateral wall bottom of cone sets
There is the diminishing conical surface.
Used as a modification of the present invention, the expansion slip assemblies include watt seat and multiple slips, are on described watt of seat
The center of circle is arranged with multiple bayonet sockets, and the lower end of the slips is provided with the card convex being adapted with the bayonet socket, and upper end is provided with and the cone
The inclined-plane that face is adapted.
Used as a modification of the present invention, the bottom radial protrusion of the friction seat forms positioning boss, the periphery on top
The a plurality of axial channel being adapted with the friction plate is arranged with face in the center of circle.
Used as a modification of the present invention, the top position of the correspondence screen casing is provided with screw-casing in main pump body, and
The main pump body is provided with the outer tube for entangling the screw-casing.
As a modification of the present invention, the jet pump include flow guide sleeve, trunnion seat, trunnion, nozzle, nozzle holder,
Liquid set and bushing pipe are returned, accelerating cavity is provided with the flow guide sleeve, the trunnion is arranged on the lower end of flow guide sleeve by trunnion seat, described
Nozzle is arranged on the lower position of trunnion seat by nozzle holder, and the upper end of the nozzle is relative with the opening of accelerating cavity to be connect, lower end
It is connected with the trunnion, the liquid set that returns is set in the bottom of trunnion and is connected with injection line by the bushing pipe.
Used as a modification of the present invention, the nozzle is made using Hardmetal materials.
Used as a modification of the present invention, the pump case is fixed by screws on main pump body, be provided with the pump case for
The installation cavity of jet pump is installed.
Beneficial effects of the present invention are：Present configuration design is ingenious, reasonable, and the hole condition of oil well is required less, is adapted to each
The producing profile testing of class difficulty oil well, the problems such as not resulting in the normal strain relief clamps for occurring of annulus logging Jing, twine；And with anti-
Sand effect, it is to avoid size particles and mechanical admixture are entered in pump in well liquid, efficiently solves the failure of pump caused because of nozzle blocking,
Ensure the working time of down-hole pump, improve the throwing pump one-time success rate of jet pump, production requirement can be met, and can be timely
Understand the various dynamic datas of producing well, oil field dynamic research management and technological production norm adjustment offer foundation, profit are scientifically provided
In being widely popularized.
Below in conjunction with the accompanying drawings with embodiment, the present invention is further described.
Description of the drawings
Fig. 1 is the main structure diagram of the present invention.
Fig. 2 is the A-A cross section structure diagrams of the present invention.
Fig. 3 is the jet pump structure schematic diagram in the present invention.
Specific embodiment
Referring to a kind of double-tube pump that Fig. 1, Fig. 2 and Fig. 3, the present embodiment are provided, it includes main pump body 1, jet pump 2, expansion
Slip assemblies 3, cone 4, friction plate 5, friction seat 6, screen casing 7, lower end cap 8 and variable buckle 9, the top side position of the main pump body 1
Recessed formation is put for installing the installation position of jet pump 2, jet pump 2 is located on the installation position, and is set on the bottom of main pump body 1
There is the injection line 11 being connected with the jet pump 2, the installation position is provided with the pump case 21 for coating in the jet pump 2, institute
The lower end that lower end cap 8 is arranged on injection line 11 is stated, the lower sides of the main pump body 1 are provided with what is be connected with injection line 11
Radial direction through hole, the position of the correspondence radial direction through hole of screen casing 7 is set on main pump body 1, it is to avoid size particles and mechanical admixture in well liquid
Into in pump, the failure of pump caused because of nozzle blocking is efficiently solved, it is ensured that the normal work of down-hole pump.The variable buckle 9 is arranged
In the lower end of main pump body 1, the friction seat 6 and the expansion slip assemblies 3 are disposed on the medium position of main pump body 1, many
Piece friction plate 5 with the axis of main pump body 1 as axle center in axle center be symmetricly set on friction seat 6 on, and the lower end of the friction plate 5 with rub
Wipe seat 6 to be connected, upper end is connected with expansion slip assemblies 3, the top position set of the correspondence expansion slip assemblies 3 of the cone 4
It is located on main pump body 1.
Specifically, the middle part of the cone 4 is provided with the pilot hole being adapted with main pump body 1, the lateral wall top of the cone 4
Locking screw holes are radially provided with, and lock screw is provided with the locking screw holes, the lateral wall bottom of cone 4 is provided with diminishing
The conical surface.
The expansion slip assemblies 3 include watt seat 31 and multiple slips 32, are arranged with the center of circle on described watt of seat 31 many
Individual bayonet socket, the lower end of the slips 32 is provided with the card convex being adapted with the bayonet socket, and upper end is provided with oblique with what the conical surface was adapted
Face.By the motion axially downwards of cone 4, the middle part that can force friction plate 5 is outwards arched upward, and then top pressure is in the inwall of oil well
On, fixed purpose is realized, it is simple, convenient.
The bottom radial protrusion of the friction seat 6 forms positioning boss, is arranged with the center of circle on the outer peripheral face on top many
The axial channel that bar is adapted with the friction plate 5.
The top position of the correspondence screen casing 7 is provided with screw-casing 10 in main pump body 1, and is provided with the main pump body 1
The outer tube 12 that the screw-casing is entangled.
The jet pump 2 include flow guide sleeve 22, trunnion seat 23, trunnion 24, nozzle 25, nozzle holder 26, return liquid cover 27 and
Accelerating cavity 221 is provided with bushing pipe 28, the flow guide sleeve 22, the trunnion 24 is arranged under flow guide sleeve 22 by trunnion seat 23
End, the nozzle 25 is arranged on the lower position of trunnion seat 23, upper end and the accelerating cavity 221 of the nozzle 25 by nozzle holder 26
Opening it is relative connect, lower end is connected with the trunnion 24, and the liquid set 27 that returns is set in the bottom of trunnion 24 and by described
Bushing pipe 28 is connected with injection line 11.
The nozzle 25 is made using Hardmetal materials.Long service life, can pass through the rule for changing nozzle and trunnion
Lattice size adjusts ginseng easy realizing the parameter combination of different lifts and discharge capacity.The pump case 21 is fixed by screws in main pump body 1
On, the installation cavity for installing jet pump 2 is provided with the pump case 21.Install simple, convenient.
Double-tube pump smart structural design of the present invention, rationally, requires the hole condition of oil well few, is adapted to the product of all kinds of difficult oil wells
Liquid section plane test, the problems such as not resulting in the normal strain relief clamps for occurring of annulus logging Jing, twine；And with sand controlling result, it is to avoid well
Size particles and mechanical admixture are entered in pump in liquid, efficiently solve the failure of pump caused because of nozzle blocking, it is ensured that down-hole pump
Working time, the throwing pump one-time success rate of jet pump is improve, production requirement can be met, and can be to understand producing well in time
Various dynamic datas, scientifically carry out oil field dynamic research management and technological production norm adjustment provide foundation.
The announcement and teaching of book according to the above description, those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula is changed and changed.Therefore, specific embodiment disclosed and described above is the invention is not limited in, to the present invention's
Some modifications and changes should also be as falling in the scope of the claims of the present invention.Although additionally, used in this specification
Some specific terms, but these terms are merely for convenience of description, do not constitute any restriction to the present invention, adopt and it
Same or analogous other water pumps, in the scope of the present invention.
Claims (8)
1. a kind of double-tube pump, it is characterised in that it includes main pump body, jet pump, expansion slip assemblies, cone, friction plate, friction
Seat, screen casing, lower end cap and variable buckle, the side position concave shape of top one of the main pump body into for installing the installation position of jet pump,
Jet pump is located on the installation position, and the injection line being connected with the jet pump is provided with the bottom of main pump body, the peace
Dress position is provided with the pump case for coating in the jet pump, and the lower end cap is arranged on the lower end of injection line, under the main pump body
Portion side wall is provided with the radial direction through hole being connected with injection line, and the position of screen casing correspondence radial direction through hole is set on main pump body,
The variable buckle is arranged on the lower end of main pump body, and the friction seat and the expansion slip assemblies are disposed on the middle part of main pump body
Position, multi-disc friction piece is symmetricly set on friction seat by axle center of the axis of main pump body in axle center, and the lower end of the friction plate
It is connected with friction seat, upper end is connected with expansion slip assemblies, the top position set of the cone correspondence expansion slip assemblies
It is located on main pump body.
2. double-tube pump according to claim 1, it is characterised in that：It is provided with what is be adapted with main pump body in the middle part of the cone
Pilot hole, the lateral wall top of the cone is radially provided with locking screw holes, and lock screw is provided with the locking screw holes, cone
Lateral wall bottom is provided with the diminishing conical surface.
3. double-tube pump according to claim 2, it is characterised in that：The expansion slip assemblies include watt seat and multiple cards
Watt, multiple bayonet sockets are arranged with the center of circle on described watt of seat, the lower end of the slips is provided with the card convex being adapted with the bayonet socket, on
End is provided with the inclined-plane being adapted with the conical surface.
4. double-tube pump according to claim 3, it is characterised in that：The bottom radial protrusion of the friction seat forms convex
Platform, a plurality of axial channel being adapted with the friction plate is arranged with the outer peripheral face on top in the center of circle.
5. double-tube pump according to claim 1, it is characterised in that：The top position of the correspondence screen casing sets on main pump body
There is screw-casing, and the outer tube for entangling the screw-casing is provided with the main pump body.
6. double-tube pump according to claim 1, it is characterised in that：The jet pump include flow guide sleeve, trunnion seat, trunnion,
Nozzle, nozzle holder, return liquid set and bushing pipe, accelerating cavity is provided with the flow guide sleeve, the trunnion is arranged on by trunnion seat and is led
The lower end of stream set, the nozzle is arranged on the lower position of trunnion seat, upper end and the accelerating cavity of the nozzle by nozzle holder
Opening is relative to be connect, and lower end is connected with the trunnion, and the liquid set that returns is set in the bottom of trunnion and by the bushing pipe and spray
Penetrate pipeline to be connected.
7. double-tube pump according to claim 6, it is characterised in that：The nozzle is made using Hardmetal materials.
8. double-tube pump according to claim 6, it is characterised in that：The pump case is fixed by screws on main pump body, should
The installation cavity for installing jet pump is provided with pump case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611015561.4A CN106640587B (en) | 2016-11-18 | 2016-11-18 | Double-tube pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611015561.4A CN106640587B (en) | 2016-11-18 | 2016-11-18 | Double-tube pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106640587A true CN106640587A (en) | 2017-05-10 |
| CN106640587B CN106640587B (en) | 2020-12-01 |
Family
ID=58807826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611015561.4A Active CN106640587B (en) | 2016-11-18 | 2016-11-18 | Double-tube pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106640587B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5261805A (en) * | 1975-11-18 | 1977-05-21 | Shibaura Eng Works Ltd | Jet pumps |
| CN2073030U (en) * | 1990-09-11 | 1991-03-13 | 河南石油勘探局采油工艺研究所 | Negative pressure generator of inner well |
| RU2155884C1 (en) * | 1999-06-02 | 2000-09-10 | Ибрагимов Лечи Хамзатович | Bottom-hole zone treatment method |
| CN1407207A (en) * | 2001-09-04 | 2003-04-02 | 休斯Ubhd器具有限责任公司 | Shallow drill assembly with separate jet pump |
| US20040071557A1 (en) * | 2001-04-05 | 2004-04-15 | Khomynets Zinoviy Dmitrievich | Well jet device |
| CN201372973Y (en) * | 2009-03-20 | 2009-12-30 | 中国石油天然气股份有限公司 | Fixed multi-nozzle jet pump |
| CN202300309U (en) * | 2010-12-06 | 2012-07-04 | 中国石油化工股份有限公司 | Underground throttler capable of killing well |
| WO2015072882A1 (en) * | 2013-11-18 | 2015-05-21 | Дигвид Энтерпрайсиз Лимитед | Medium-separation valve |
| CN205089293U (en) * | 2015-03-04 | 2016-03-16 | 天津市海力元通机械制造有限公司 | Penetrate to adopt to ally oneself with and make oil -well pump |
-
2016
- 2016-11-18 CN CN201611015561.4A patent/CN106640587B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5261805A (en) * | 1975-11-18 | 1977-05-21 | Shibaura Eng Works Ltd | Jet pumps |
| CN2073030U (en) * | 1990-09-11 | 1991-03-13 | 河南石油勘探局采油工艺研究所 | Negative pressure generator of inner well |
| RU2155884C1 (en) * | 1999-06-02 | 2000-09-10 | Ибрагимов Лечи Хамзатович | Bottom-hole zone treatment method |
| US20040071557A1 (en) * | 2001-04-05 | 2004-04-15 | Khomynets Zinoviy Dmitrievich | Well jet device |
| CN1407207A (en) * | 2001-09-04 | 2003-04-02 | 休斯Ubhd器具有限责任公司 | Shallow drill assembly with separate jet pump |
| CN201372973Y (en) * | 2009-03-20 | 2009-12-30 | 中国石油天然气股份有限公司 | Fixed multi-nozzle jet pump |
| CN202300309U (en) * | 2010-12-06 | 2012-07-04 | 中国石油化工股份有限公司 | Underground throttler capable of killing well |
| WO2015072882A1 (en) * | 2013-11-18 | 2015-05-21 | Дигвид Энтерпрайсиз Лимитед | Medium-separation valve |
| CN205089293U (en) * | 2015-03-04 | 2016-03-16 | 天津市海力元通机械制造有限公司 | Penetrate to adopt to ally oneself with and make oil -well pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106640587B (en) | 2020-12-01 |
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