CN203051063U - Underground anti-sand burying tubular pile with top-mounted fixing valve oil well pump - Google Patents
Underground anti-sand burying tubular pile with top-mounted fixing valve oil well pump Download PDFInfo
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- CN203051063U CN203051063U CN201220570236.5U CN201220570236U CN203051063U CN 203051063 U CN203051063 U CN 203051063U CN 201220570236 U CN201220570236 U CN 201220570236U CN 203051063 U CN203051063 U CN 203051063U
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- oil well
- well pump
- standing valve
- valve oil
- pump
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Abstract
The utility model discloses an underground anti-sand burying tubular pile with a top-mounted fixing valve oil well pump. The underground anti-sand burying tubular pile comprises the top-mounted fixing valve oil well pump, wherein the top of the top-mounted fixing valve oil well pump is connected with the bottom of an outer tubular pile; a pulling rod of the top-mounted fixing valve oil well pump is connected with an inner tubular pile; the top-mounted fixing valve oil well pump penetrates through a casing pipe; and the lower end of the top-mounted fixing valve oil well pump is connected with a conical tail pipe. The production pressure difference is increased to the greatest degree, the submergence degree required by a well fluid inlet pump is reduced, the lifting efficiency of a steam-flooding production well is improved, the production-injection ratio is improved, and the steam-flooding implementation effect is improved.
Description
Technical field
The utility model relates to a kind of oil reservoir of crossing and takes out technology deeply, especially relate to a kind of thick oil steam drive block that strata pressure is lower in the petroleum production, producing fluid level is low, the phenomenon of shaking out is serious that is applied to, can improve the lifting efficiency of steam flooding extraction well, improve production-injection ratio, improve the steam flooding implementation result on put standing valve oil well pump and down-hole sand control pipe laying post.
Background technique
Oil field steam flooding block strata pressure is generally lower, and producing fluid level is low.Adopt at present and pump is hung the position be located at conventional artificial lifting way on the oil reservoir, cause the submergence of pump low because producing fluid level is low, cause pump efficiency to reduce, discharge opeing is insufficient, is difficult to reach the requirement of production-injection ratio.
In addition, after sand pipe laying post takes place, usually can cause extracting the tubing string difficulty owing to the resistance that sand buries is excessive, even sometimes can be when causing tubing string to be extracted, owing to the excessive cause of resistance causes the tubing string damage; Especially each box cupling place increases resistance because of the obstruct that sand buries especially easily.
The model utility content
The technical problem that the utility model solves provides the down-hole sand control pipe laying post of putting the standing valve oil well pump on a kind of, improves the lifting efficiency of steam flooding extraction well.
Technical solution of the present utility model is:
Put the down-hole sand control pipe laying post of standing valve oil well pump on a kind of, wherein, described down-hole sand control pipe laying post comprises puts the standing valve oil well pump, putting standing valve oil well pump top on described is connected with an external pipe column bottom, the pull bar of putting the standing valve oil well pump on described is connected with an internal layer tubing string, put the standing valve oil well pump on described and be arranged in the sleeve pipe, put standing valve oil well pump lower end on described to be connected with a taper tail pipe.
Put the down-hole sand control pipe laying post of standing valve oil well pump on above-mentioned, wherein, this taper tail pipe and pump barrel outer circumferential side continuously smooth arrange.
Put the down-hole sand control pipe laying post of standing valve oil well pump on above-mentioned, wherein, described taper tail pipe length is 5m.
Put the down-hole sand control pipe laying post of standing valve oil well pump on above-mentioned, wherein, the upper end of putting the standing valve oil well pump on described is provided with standing valve, and this standing valve below is connected with pump barrel, is provided with the plunger fixing-assembly in the described pump barrel and the assembly that floats;
One pull bar passes the guiding valve of described standing valve;
Described plunger fixing-assembly is provided with center-pole, and described pull bar is connected with described center-pole via a sub-coupling; Described center-pole lower end is provided with valve ball, and described valve ball lower end is provided with guide pad, is provided with the gap between described center-pole, guide pad and valve ball and the described pump barrel madial wall;
Described unsteady assembly is located on the periphery of described plunger fixing-assembly, comprise floating valve seat, its corresponding described valve ball top arranges, this floating valve seat inboard is provided with a ring-shaped step, the corresponding described ring-shaped step of the gland of one annular top arranges, this gland outer circumferential side is provided with a convex, this convex is resisted against on the ring-shaped step of a sealing unit inboard, be provided with the gap between described gland and the described center-pole, this gland sidewall is provided with through hole, and described through hole is communicated with the annular space of described unsteady assembly top via the gap between described sealing unit and the described gland; The inboard sealing setting of fitting of described sealing unit and described floating valve seat outer circumferential side and described pump barrel.
Put the down-hole sand control pipe laying post of standing valve oil well pump on above-mentioned, wherein, put that the standing valve oil well pump is provided with three grades of plunger fixing-assemblys and the assembly that floats on described.
Put the down-hole sand control pipe laying post of standing valve oil well pump on above-mentioned, wherein, be connected via a joint between the fixedly valve pocket periphery wall of described pump barrel periphery wall and described standing valve, described pump barrel, joint and the fixedly outer side surface continuously smooth setting of valve pocket.
Put the down-hole sand control pipe laying post of standing valve oil well pump on above-mentioned, wherein, the top of putting the standing valve oil well pump on described also is connected with safe short circuit.
Learnt that by above explanation the utility model has following advantage really:
(1) enlarges producing pressure differential to greatest extent, reduce well liquid and advance the required submergence of pump, improve the lifting efficiency of steam flooding extraction well, improve production-injection ratio, improve the steam flooding implementation result.
(2) when realizing that oil reservoir was taken out deeply, prevent that sand pipe laying post from causing workover.
Description of drawings
Fig. 1 is the structural representation of putting the standing valve oil well pump on of the present utility model;
Fig. 2 is the structural representation of putting the down-hole sand control pipe laying post of standing valve oil well pump on of the present utility model.
The primary component label declaration:
1-is valve pocket fixedly; The 2-guiding valve; The 3-fixed valve base;
The 4-joint; The 5-pull bar; The 6-sub-coupling;
The 7-pump barrel; The 8-sealing unit; The 9-center-pole;
The 10-gland; The 11-floating valve seat; The 12-valve ball;
The outer tubing string 15-of 13-guide pad 14-internal layer tubing string
The safe short circuit of 16-sleeve pipe 17-taper tail pipe 18-
Put standing valve oil well pump 20-pump barrel on the 19-
Embodiment
For this reason, project verification was studied oil reservoir and was taken out technology deeply, pump is hung the position be located under the oil reservoir, implemented more layer pressure discharge opeing, can enlarge producing pressure differential to greatest extent like this, improved lifting rate, satisfied the requirement of production-injection ratio.This technology has prevented that sand pipe laying post from causing workover when realizing that oil reservoir was taken out deeply.
The down-hole sand control pipe laying post of putting the standing valve oil well pump on a kind of of the present utility model, comprise and put the standing valve oil well pump, putting standing valve oil well pump top on described is connected with an external pipe column bottom, the pull bar of putting the standing valve oil well pump on described is connected with an internal layer tubing string, put the standing valve oil well pump on described and be arranged in the sleeve pipe, put standing valve oil well pump lower end on described to be connected with a taper tail pipe.
Understand for technical characteristics of the present utility model, purpose and effect being had more clearly, now contrast description of drawings embodiment of the present utility model.
As shown in Figures 1 and 2, be the structural representation of putting the down-hole sand control pipe laying post of standing valve oil well pump on a kind of of the present utility model, in preferred embodiment, described down-hole sand control pipe laying post comprises puts standing valve oil well pump 19, putting standing valve oil well pump top on described is connected with an outer tubing string 14 bottoms, the pull bar of putting the standing valve oil well pump on described is connected with an internal layer tubing string 15, put the standing valve oil well pump on described and be arranged in the sleeve pipe 16, put standing valve oil well pump lower end on described to be connected with a taper tail pipe 17.Whereby, put the standing valve oil well pump in the employing, can enlarge producing pressure differential to greatest extent, reduce well liquid and advance the required submergence of pump, improve the lifting efficiency of steam flooding extraction well, improve production-injection ratio, improve the steam flooding implementation result; Simultaneously, put the tail pipe that standing valve oil well pump lower end is provided with taper described, make its lower end form up big and down small shape, eliminate sand and bury the resistance of extracting.
As shown in the figure, put the down-hole sand control pipe laying post of standing valve oil well pump on of the present utility model, described taper tail pipe is connected setting with described pump barrel outer circumferential side continuously smooth; The influence that sand buries resistance is further reduced for the smooth connection of no box cupling in the tubing string joint of described taper tail pipe and its top.Further, be the smooth connection of no box cupling between the tubing string of the top except the taper tail pipe, be reduced to minimum so that sand buries resistance.
Put the down-hole sand control pipe laying post of standing valve oil well pump on aforesaid, in its preferred embodiment, described taper tail pipe length is 5m, the tail end of whole tubing string is about 11m generally speaking, make the make progress distance of length 5m of the suction port place of below be set to taper, then most of length that whole tail end is buried by sand is the part of conical pipe, better reduces sand and buries resistance.
See also Fig. 1 and Fig. 2, put the down-hole sand control pipe laying post of standing valve oil well pump on of the present utility model, preferable, put standing valve on it and be the upper end of putting the standing valve oil well pump on described and be provided with standing valve, this standing valve below is connected with pump barrel 7, is provided with the plunger fixing-assembly in the described pump barrel 7 and the assembly that floats; One pull bar 5 passes the guiding valve 2 of described standing valve; Described plunger fixing-assembly is provided with center-pole 9, and described pull bar 5 is connected with described center-pole 9 via a sub-coupling 6; Described center-pole 9 lower ends are provided with valve ball 12, and described valve ball 12 lower ends are provided with guide pad 13, are provided with the gap between described center-pole, guide pad and valve ball and the described pump barrel madial wall;
Described unsteady assembly is located on the periphery of described plunger fixing-assembly, comprise floating valve seat 11, its corresponding described valve ball 12 tops arrange, these floating valve seat 11 inboards are provided with a ring-shaped step, the gland 10 corresponding described ring-shaped step tops of one annular arrange, these gland 10 outer circumferential sides are provided with a convex, this convex is resisted against the ring-shaped step top of a sealing unit 8 inboards, be provided with the gap between described gland 10 and the described center-pole 9, these gland 10 sidewalls are provided with through hole, and described through hole is communicated with the annular space of described unsteady assembly top via the gap between described sealing unit 8 and the described gland 10; Described sealing unit and described floating valve seat 11 outer circumferential sides and the described pump barrel 7 inboard sealing settings of fitting.
Put the standing valve oil well pump on aforesaid when implementing to use, the motion state of its upstroke and down stroke is as follows:
On put the standing valve oil well pump working principle, please referring to Fig. 1.During down stroke, by center-pole 9, valve ball 12, the plunger fixing-assembly that guide pad 13 grades are formed is descending with sucker rod, by sealing unit 8, gland 10, the unsteady assembly that floating valve seat 11 is formed is up relatively, leave the formation passage between floating valve seat 11 and the valve ball 12, this moment, guiding valve 2 cut out under the head of liquid P effect and under the frictional force drive of pull bar 5 generations in oil pipe, plunger is gone into the well liquid by the runner between guide pad 13 and the pump barrel 7, runner between floating valve seat 11 and the valve ball 12, it is up that ring runner between gland 10 and the center-pole 9 is crossed the single-stage sealing unit, is advanced on step by step afterwards in the chamber between plunger and the guiding valve 2.During upstroke, up with sucker rod by the plunger fixing-assembly that center-pole 9, valve ball 12, guide pad 13 etc. are formed, contact between floating valve seat 11 and the valve ball 12 form multi-stage sealed, and it is up to drive the unsteady assembly of being made up of sealing unit 8, gland 10, floating valve seat 11, form multi-stage sealed between sealing unit 8 and the pump barrel 7, this moment is because the interior fluid column of its epicoele of the up compression of plunger makes it the pressure rising, when this pressure greater than oil pipe in during head of liquid P, guiding valve 2 is opened, and well liquid enters in the guiding valve 2 top oil pipes.
Put the down-hole sand control pipe laying post of standing valve oil well pump on aforesaid, preferable, put that the standing valve oil well pump is provided with three grades of plunger fixing-assemblys and the assembly that floats on described; The guide pad below of upper level is provided with the unsteady assembly of next stage, by the setting of multistage plunger fixing-assembly and unsteady assembly, has formed multistage oil pumping and has sucked stratum, has reduced pump intake pressure, and the control submergence has improved pumping efficiency.
Put the down-hole sand control pipe laying post of standing valve oil well pump on aforesaid, preferable, be connected described pump barrel 7, joint 4 and the fixedly outer side surface continuously smooth setting of valve pocket 1 between fixedly valve pocket 1 periphery wall of described pump barrel periphery wall and described standing valve via a joint; Bury resistance to described down-hole sand control pipe laying post to reduce sand.
The down-hole sand control pipe laying post of putting the standing valve oil well pump on described of the present utility model, it is provided with the safety measure that further placement tubing string damages, and is preferable, and the top of putting the standing valve oil well pump on described also is connected with safe short circuit.Whereby, establish safe short circuit at pump, when tubing string withdrawal force during greater than setting value, break safe short circuit, implement fishing afterwards.
The utility model adopt no box cupling tubing string connection, on put the scheme that standing valve and taper sand control bury the tail pipe technology, reduce well liquid to greatest extent and advance the required submergence of pump, improve hoisting system efficient, and reduce tubing string pull-out resistance behind the sand pipe laying post, avoid workover behind the sand-covered pump.
Select large discharge pump for use with respect to stratum energy supply power, put standing valve in the employing, reduce pump intake pressure, control pump submergence, thereby control sand pipe laying post.
Adopt no box cupling pump and taper to suck tail pipe, the pull-out resistance behind the reduction sand pipe laying post: whole pump outer surface is designed to not have the box cupling smooth surface, the pull-out resistance behind the reduction sand-covered pump body; Hanging outer surface under the pump is the suction tail pipe of taper, and the tail end diameter is thoroughly eliminated sand and buried pull-out resistance less than the top, and discharge opeing stops the back sand setting and at first buries the taper tail pipe, buries the pump housing, oil pipe afterwards.Do not have box cupling within the whole tubing string tail end 11m, and lower end 5m is taper.
Safety measure: establish safe short circuit 18 at pump, when tubing string withdrawal force during greater than setting value, break safe short circuit, implement fishing afterwards.
Put the down-hole sand control pipe laying post of standing valve oil well pump on of the present utility model, by on put standing valve, multistage suction stratum and taper tail pipe setting, reached preferable reduction submergence demand and down-hole sand control and buried effect:
(1) vapour drives the aboveground standing valve oil well pump of putting, by no box cupling setting.Reduce well liquid to greatest extent and advance the required submergence of pump, improve hoisting system efficient, underwell pump adopts contactless elastic gap sealed oil-well pump, and has designed and put fixedly guiding valve on the twin-stage, to reduce pump intake pressure, the control submergence.Whole pump outer surface is designed to not have the box cupling smooth surface, with the pull-out resistance behind the reduction sand-covered pump body.
(2) adopt no box cupling pump and taper to suck tail pipe, pull-out resistance behind the reduction sand pipe laying post: hanging outer surface under the pump is the suction tail pipe of taper, and the tail end diameter is thoroughly eliminated sand and buried pull-out resistance less than the top, discharge opeing stops the back sand setting and at first buries the taper tail pipe, buries the pump housing, oil pipe afterwards.Do not have box cupling within the whole tubing string tail end 11m, and lower end 5m is taper.
The above only is the schematic embodiment of the utility model, is not in order to limit scope of the present utility model.Any those skilled in the art, the equivalent variations of having done under the prerequisite that does not break away from design of the present utility model and principle and modification all should belong to the scope that the utility model is protected.
Claims (7)
1. put the down-hole sand control pipe laying post of standing valve oil well pump on one kind, it is characterized in that, the down-hole sand control pipe laying post of putting the standing valve oil well pump on described comprises puts the standing valve oil well pump, putting standing valve oil well pump top on described is connected with an external pipe column bottom, the pull bar of putting the standing valve oil well pump on described is connected with an internal layer tubing string, put the standing valve oil well pump on described and be arranged in the sleeve pipe, put standing valve oil well pump lower end on described to be connected with a taper tail pipe.
2. put the down-hole sand control pipe laying post of standing valve oil well pump on according to claim 1, it is characterized in that, this taper tail pipe and pump barrel outer circumferential side continuously smooth arrange.
3. put the down-hole sand control pipe laying post of standing valve oil well pump on according to claim 1, it is characterized in that described taper tail pipe length is 5m.
4. put the down-hole sand control pipe laying post of standing valve oil well pump on according to claim 1, it is characterized in that, the upper end of putting the standing valve oil well pump on described is provided with standing valve, and this standing valve below is connected with pump barrel, is provided with the plunger fixing-assembly in the described pump barrel and the assembly that floats;
One pull bar passes the guiding valve of described standing valve;
Described plunger fixing-assembly is provided with center-pole, and described pull bar is connected with described center-pole via a sub-coupling; Described center-pole lower end is provided with valve ball, and described valve ball lower end is provided with guide pad, is provided with the gap between described center-pole, guide pad and valve ball and the described pump barrel madial wall;
Described unsteady assembly is located on the periphery of described plunger fixing-assembly, comprise floating valve seat, its corresponding described valve ball top arranges, this floating valve seat inboard is provided with a ring-shaped step, the corresponding described ring-shaped step of the gland of one annular top arranges, this gland outer circumferential side is provided with a convex, this convex is resisted against on the ring-shaped step of a sealing unit inboard, be provided with the gap between described gland and the described center-pole, this gland sidewall is provided with through hole, and described through hole is communicated with the annular space of described unsteady assembly top via the gap between described sealing unit and the described gland; The inboard sealing setting of fitting of described sealing unit and described floating valve seat outer circumferential side and described pump barrel.
5. as putting the down-hole sand control pipe laying post of standing valve oil well pump on as described in the claim 4, it is characterized in that, put that the standing valve oil well pump is provided with three grades of plunger fixing-assemblys and the assembly that floats on described.
6. as putting the down-hole sand control pipe laying post of standing valve oil well pump on as described in the claim 4, it is characterized in that, be connected described pump barrel, joint and the fixedly outer side surface continuously smooth setting of valve pocket between the fixedly valve pocket periphery wall of described pump barrel periphery wall and described standing valve via a joint.
7. put the down-hole sand control pipe laying post of standing valve oil well pump on according to claim 1, it is characterized in that, the top of putting the standing valve oil well pump on described also is connected with safe short circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220570236.5U CN203051063U (en) | 2012-10-31 | 2012-10-31 | Underground anti-sand burying tubular pile with top-mounted fixing valve oil well pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220570236.5U CN203051063U (en) | 2012-10-31 | 2012-10-31 | Underground anti-sand burying tubular pile with top-mounted fixing valve oil well pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203051063U true CN203051063U (en) | 2013-07-10 |
Family
ID=48734022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220570236.5U Expired - Fee Related CN203051063U (en) | 2012-10-31 | 2012-10-31 | Underground anti-sand burying tubular pile with top-mounted fixing valve oil well pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203051063U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107664024A (en) * | 2017-11-01 | 2018-02-06 | 王立峰 | A kind of oil field anti-sticking sand control pipe |
| CN114576147A (en) * | 2020-12-01 | 2022-06-03 | 中国石油天然气股份有限公司 | Sucker-rod pump lifting downhole suction pressure control device |
-
2012
- 2012-10-31 CN CN201220570236.5U patent/CN203051063U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107664024A (en) * | 2017-11-01 | 2018-02-06 | 王立峰 | A kind of oil field anti-sticking sand control pipe |
| CN114576147A (en) * | 2020-12-01 | 2022-06-03 | 中国石油天然气股份有限公司 | Sucker-rod pump lifting downhole suction pressure control device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130710 Termination date: 20211031 |