CN201502516U - Uninterrupted rodless pump - Google Patents

Uninterrupted rodless pump Download PDF

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Publication number
CN201502516U
CN201502516U CN2009202213469U CN200920221346U CN201502516U CN 201502516 U CN201502516 U CN 201502516U CN 2009202213469 U CN2009202213469 U CN 2009202213469U CN 200920221346 U CN200920221346 U CN 200920221346U CN 201502516 U CN201502516 U CN 201502516U
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CN
China
Prior art keywords
valve body
valve
oil
descending
outer sleeve
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.)
Expired - Lifetime
Application number
CN2009202213469U
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Chinese (zh)
Inventor
姚连波
于学起
和玉洁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huahe New Technology Development Co Research Institute of Physical and Chemical Engineering of Nuclear Industry
Original Assignee
Huahe New Technology Development Co Research Institute of Physical and Chemical Engineering of Nuclear Industry
Priority date (The priority date 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 date listed.)
Filing date
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Application filed by Huahe New Technology Development Co Research Institute of Physical and Chemical Engineering of Nuclear Industry filed Critical Huahe New Technology Development Co Research Institute of Physical and Chemical Engineering of Nuclear Industry
Priority to CN2009202213469U priority Critical patent/CN201502516U/en
Application granted granted Critical
Publication of CN201502516U publication Critical patent/CN201502516U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model discloses an uninterrupted rodless pump. The uninterrupted rodless pump comprises an outer sleeve, an inner sleeve, a motor arranged at the lower part of the outer sleeve, a downward oil delivery valve arranged above the inner sleeve, an upward oil delivery valve arranged at the upper part of the inner sleeve, a downward oil inlet valve arranged below the upward oil delivery valve, and an upward oil inlet valve arranged at the lower end in the outer sleeve, wherein a piston, a screw and a nut are also arranged in the outer sleeve; a downward oil outlet is formed at the lower end of the outer sleeve; and an oil pipe is arranged at the upper end of the outer sleeve. The uninterrupted rodless pump has the advantages of simple structure and convenient operation, and can achieve two-way uninterrupted oil production, thereby improving the efficiency by one time and lowering the energy consumption by more than 50%. Meanwhile, the uninterrupted rodless pump can obviate eccentric wear between a sucker rod and the inner wall of the oil pipe, thereby greatly reducing the well repair frequency. In addition, the ground facility is simplified greatly so as to facilitate remote monitoring. The uninterrupted rodless pump can be used for oil wells such as oblique wells and horizontal wells.

Description

The uninterrupted non-rod oil well pump
Technical field:
The utility model belongs to a kind of oil field oil rig, is specifically related to a kind of uninterrupted non-rod oil well pump.
Background technique:
At present, the mode of the mechanical oil recovery in oil field has mainly been used bar and has been recovered the oil and rodless pumping operation, and all there is significant disadvantages in these two kinds of oil production systems at present.For the bar oil extraction pump is arranged, because wellbore trajectory can not guarantee vertically, to-and-fro motion or when rotatablely moving sucker rod or screw rod must produce eccentric wear with tube inner wall inevitably, thereby cause the tube inner wall lost of life, eccentric wear has caused 60% workover shop problem.The rodless pumping operation mode is based on submersible electric pump, though can avoid the eccentric wear problem to exist that power consumption is big, efficient is low, the initial stage has high input effectively, overhaul problem such as difficulty.
Summary of the invention:
The utility model proposes for the shortcoming that overcomes the prior art existence, and its purpose is to provide a kind of uninterrupted non-rod oil well pump.
The technical solution of the utility model is: a kind of uninterrupted non-rod oil well pump, comprise the outer sleeve of the top seal of more piece combination, and be provided with the inner sleeve of the top seal of more piece combination in the inside of outer sleeve, be provided with motor in the bottom of outer sleeve.Be provided with descending outlet valve above the described inner sleeve, top in inner sleeve is provided with up outlet valve, is provided with descending oiling valve below up outlet valve, is provided with up oiling valve in the inside, lower end of outer sleeve.
Inside at outer sleeve also is provided with piston, is provided with leading screw in the inside of piston, and the lower end of leading screw is connected with motor, is respectively arranged with two nuts on the inside of piston, the top of leading screw.Form descending oil outlet in the lower end of inner sleeve, form piston upper chamber and piston cavity of resorption respectively, be provided with dividing plate, be provided with transport pipe in the upper end of outer sleeve in the lower end of inner sleeve in the above and below of piston.
Descending outlet valve comprises valve body, forms middle support with holes in the upper end of valve body, is provided with spool in the middle of valve body, forms up oil drainage hole and descending oil drainage hole in valve body respectively.
Up outlet valve comprises valve body, forms middle support with holes in the upper end of valve body, is provided with spool in the middle of valve body.
Descending oiling valve comprises valve body, forms middle support with holes in the lower end of valve body, is provided with spool in the middle of valve body.In valve body, form up oil drainage hole and descending oil drainage hole respectively, in the middle of valve body, form the descending filler opening of transverse horizontal.
Up oiling valve comprises valve body, is formed centrally center hole in valve body, forms six uniform boss independently separately respectively in the upper end of valve body, forms six uniform holes respectively at valve body upper edge circumference, is provided with spool on the top in hole.In each boss, be formed centrally the hole.
The effect that the utility model is useful is:
The utility model is simple in structure, easy to operate, has realized two-way uninterrupted oil recovery, and efficient doubles, and energy consumption reduces more than 50%; Avoid the eccentric wear problem of sucker rod and tube inner wall simultaneously, significantly reduced the well workover number of times; Ground installation is simplified greatly, is easy to realize remote monitoring, can be used in oil wells such as inclined shaft, horizontal well.
Description of drawings:
Fig. 1 is the structural representation of uninterrupted non-rod oil well pump of the present utility model;
Fig. 2 is the worm's eye view of descending outlet valve of the present utility model;
Fig. 3 is the plan view of descending outlet valve of the present utility model;
Fig. 4 is the plan view of descending outlet valve of the present utility model;
Fig. 5 is along the sectional drawing of H-H line among Fig. 3;
Fig. 6 is along the sectional drawing of G-G line among Fig. 3;
Fig. 7 is along the sectional drawing of F-F line among Fig. 1;
Fig. 8 is the plan view of up outlet valve of the present utility model;
Fig. 9 is the plan view of up outlet valve of the present utility model;
Figure 10 is along the sectional drawing of K-K line among Fig. 1;
Figure 11 is the worm's eye view of descending oiling valve of the present utility model;
Figure 12 is the plan view of descending oiling valve of the present utility model;
Figure 13 is the plan view of descending oiling valve of the present utility model;
Figure 14 is along the sectional drawing of R-R line among Figure 12;
Figure 15 is along the sectional drawing of P-P line among Fig. 1;
Figure 16 is along the sectional drawing of Q-Q line among Fig. 1;
Figure 17 is the plan view of up oiling valve of the present utility model;
Figure 18 is the plan view of up oiling valve of the present utility model;
Figure 19 is that the utility model is worked as piston each valve valve element position and oily flow path schematic representation when upwards moving;
Figure 20 is that the utility model is worked as piston each valve valve element position and oily flow path schematic representation when moving downwards.
Wherein
1 outer sleeve, 2 inner sleeves
3 motors, 4 descending outlet valves
5 up outlet valve 6 descending oiling valves
7 up oiling valve 8 pistons
9 leading screws, 10 nuts
11 descending oil outlet 12 piston upper chambers
13 piston cavity of resorptions, 14 dividing plates
15 transport pipe, 20 valve bodies
21 supports, 22 spools
23 up oil drainage hole 24 descending oil drainage holes
27 valve bodies, 28 supports
29 spools, 31 valve bodies
32 supports, 33 spools
34 up oil drainage hole 35 descending oil drainage holes
36 descending filler opening 40 valve bodies
41 center holes, 42 boss
44 holes, 43 holes
45 spools
Embodiment:
Below, with reference to drawings and Examples uninterrupted non-rod oil well pump of the present utility model is elaborated:
As shown in Figure 1, a kind of uninterrupted non-rod oil well pump, the outer sleeve 1 that comprises the top seal of more piece combination, be provided with the inner sleeve 2 of the top seal of more piece combination in the inside of outer sleeve 1, be provided with motor 3 in the bottom of outer sleeve 1, be provided with descending outlet valve 4 above the inner sleeve 2, top in inner sleeve 2 is provided with up outlet valve 5, is provided with descending oiling valve 6 below up outlet valve 5, is provided with up oiling valve 7 in the inside, lower end of outer sleeve 1.
Inside at outer sleeve 1 also is provided with piston 8, is provided with leading screw 9 in the inside of piston 8, and the lower end of leading screw 9 is connected with motor 3, by motor 3 driven rotary, is respectively arranged with two nuts 10 on the inside of piston 8, the top of leading screw 9.Motor 3 drives piston 8 by leading screw 9 and nut 10 and pumps in inner sleeve 2.
Form descending oil outlet 11 in the lower end of inner sleeve 2, form piston upper chamber 12 and piston cavity of resorption 13 respectively, be provided with dividing plate 14, be provided with transport pipe 15 in the upper end of outer sleeve 1 in the lower end of inner sleeve 2 in the above and below of piston 8.
Shown in Fig. 2~7, descending outlet valve 4 comprises valve body 20, forms middle support 21 with holes in the upper end of valve body 20, is provided with spools 22 in the middle of valve body 20.In valve body 20, form up oil drainage hole 23 and descending oil drainage hole 24 respectively.
Shown in Fig. 8~10, up outlet valve 5 comprises valve body 27, forms middle support 28 with holes in the upper end of valve body 27, is provided with spools 29 in the middle of valve body 27.
Shown in Figure 11~16, descending oiling valve 6 comprises valve body 31, forms middle support 32 with holes in the lower end of valve body 31, is provided with spools 33 in the middle of valve body 31.In valve body 31, form up oil drainage hole 34 and descending oil drainage hole 35 respectively, in the middle of valve body 31, form the descending filler opening 36 of transverse horizontal.
Shown in Figure 17,18, up oiling valve 7 comprises valve body 40, is formed centrally center hole 41 in valve body 40, and center hole 41 cooperates with leading screw 9.Form six uniform boss 42 independently separately in the upper end of valve body 40 respectively, form six uniform holes 43 respectively at valve body 40 upper edge circumference, 43 top is provided with spool 45 in the hole.Be formed centrally hole 44 in each boss 42, hole 44 cooperates with the valve rod of spool 45.
Working procedure of the present utility model is:
Shown in Figure 19,20, when motor 3 is just changeing, when moving upward by leading screw 9 drive pistons 8, up outlet valve 5 is opened with up oiling valve 7, descending outlet valve 4 cuts out with descending oiling valve 6, oil in the piston upper chamber 12 is discharged to transport pipe 15 through up oil drainage hole (23,34) and up outlet valve 5, and the oil in the stratum enters into piston cavity of resorption 13 by up oiling valve 7 simultaneously.
When motor 3 counter-rotatings, descending outlet valve 4 is opened with descending oiling valve 6 when moving downward by leading screw 9 drive pistons 8, up outlet valve 5 cuts out with up oiling valve 7, oil in the piston cavity of resorption 13 is discharged to transport pipe 15 by descending oil drainage hole (24,35) and descending outlet valve 4, and the oil in the stratum enters in the piston upper chamber 12 by descending oiling valve 6 simultaneously.So repeatedly, realize continual twice oil recovery process in piston stroking upward and the descending process.
Each passes in and out fuel tap switch motion principle:
Descending outlet valve: when piston moved downward, piston forced the oil in the piston cavity of resorption to arrive by the passage between the inside and outside sleeve in the valve body of descending outlet valve, and the pressure of dependence piston transmission oil supply backs down the spool of descending outlet valve, realizes the action that it is opened; When piston moves upward, because the spool in the descending outlet valve is closed in the deadweight of the oil in the transport pipe.
Up outlet valve: when piston moved upward, piston forced the oil in the piston upper chamber to move upward and enters into the valve body of up outlet valve, and the pressure of dependence piston transmission oil supply backs down the spool of up outlet valve, realizes the action that it is opened; When piston moves downward, because the spool in the up outlet valve is closed in the deadweight of the oil in the transport pipe.
Descending oiling valve: when piston moved downward, the oil in the stratum was entered into the valve body of descending oiling valve by the stratum under the effect of self pressure, relied on self pressure of oil in the stratum that the spool in the descending oiling valve is opened; When piston moved upward, piston forced the oil in the piston upper chamber to move upward, and the pressure that relies on piston to transmit oil supply is closed spool under the effect of oil pressure.
Up oiling valve: when piston moved upward, the oil in the stratum was entered into the valve body of up oiling valve by the stratum under the effect of self pressure, relied on self pressure of oil in the stratum that the spool in the up oiling valve is opened; When piston moved downward, piston forced the oil in the piston cavity of resorption to move downward, and the pressure that relies on piston to transmit oil supply is closed spool under the effect of oil pressure.
Arrow in the accompanying drawing is represented the flow path of oil.
The effect that the utility model is useful is:
The utility model is simple in structure, easy to operate, has realized two-way uninterrupted oil recovery, and efficient doubles, and Energy Intensity Reduction is more than 50%; Avoid simultaneously the eccentric wear problem of sucker rod and tube inner wall, significantly reduced the well workover number of times; Ground installation is simplified greatly, is easy to realize remote monitoring, can be used in the oil wells such as inclined shaft, horizontal well.

Claims (5)

1. uninterrupted non-rod oil well pump, comprise outer sleeve (1), be provided with inner sleeve (2) in the inside of outer sleeve (1), be provided with motor (3) in the bottom of outer sleeve (1), it is characterized in that: be provided with descending outlet valve (4) in the top of described inner sleeve (2), be provided with up outlet valve (5) in inner sleeve (2) inner and upper, be provided with descending oiling valve (6) in the below of up outlet valve (5), interior lower end at outer sleeve (1) is provided with up oiling valve (7), also be provided with piston (8) in the inside of outer sleeve (1), be provided with leading screw (9) in piston (8) inside, the lower end of leading screw (9) is connected with motor (3), inside in piston (8), the top of leading screw (9) is respectively arranged with two nuts (10), form descending oil outlet (11) in the lower end of inner sleeve (2), form piston upper chamber (12) and piston cavity of resorption (13) respectively in the above and below of piston (8), be provided with dividing plate (14) in the lower end of inner sleeve (2), be provided with transport pipe (15) in the upper end of outer sleeve (1).
2. uninterrupted non-rod oil well pump according to claim 1, it is characterized in that: descending outlet valve (4) comprises valve body (20), form middle support (21) with holes in the upper end of valve body (20), in the middle of valve body (20), be provided with spool (22), in valve body (20), form up oil drainage hole (23) and descending oil drainage hole (24) respectively.
3. uninterrupted non-rod oil well pump according to claim 1 is characterized in that: up outlet valve (5) comprises valve body (27), forms middle support (28) with holes in the upper end of valve body (27), is provided with spool (29) in the middle of valve body (27).
4. uninterrupted non-rod oil well pump according to claim 1, it is characterized in that: descending oiling valve (6) comprises valve body (31), form middle support (32) with holes in the lower end of valve body (31), in the middle of valve body (31), be provided with spool (33), in valve body (31), form up oil drainage hole (34) and descending oil drainage hole (35) respectively, in the middle of valve body (31), form the descending filler opening (36) of transverse horizontal.
5. uninterrupted non-rod oil well pump according to claim 1, it is characterized in that: up oiling valve (7) comprises valve body (40), in valve body (40), be formed centrally center hole (41), form six uniform boss (42) independently separately respectively in the upper end of valve body (40), circumference forms six uniform holes (43) respectively in valve body (40) upper edge, be formed centrally hole (44) in each boss (42), the top of (43) is provided with spool (45) in the hole.
CN2009202213469U 2009-10-14 2009-10-14 Uninterrupted rodless pump Expired - Lifetime CN201502516U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009202213469U CN201502516U (en) 2009-10-14 2009-10-14 Uninterrupted rodless pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009202213469U CN201502516U (en) 2009-10-14 2009-10-14 Uninterrupted rodless pump

Publications (1)

Publication Number Publication Date
CN201502516U true CN201502516U (en) 2010-06-09

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009202213469U Expired - Lifetime CN201502516U (en) 2009-10-14 2009-10-14 Uninterrupted rodless pump

Country Status (1)

Country Link
CN (1) CN201502516U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101672174B (en) * 2009-10-14 2012-06-06 核工业理化工程研究院华核新技术开发公司 Energy-saving uninterrupted non-rod oil pumping device
CN103939056A (en) * 2014-04-09 2014-07-23 中国石油天然气股份有限公司 Oil well pump, oil extraction system of submersible linear motor well and working method of oil extraction system
CN107060690A (en) * 2017-06-11 2017-08-18 江苏航天鸿鹏数控机械有限公司 A kind of stepping oil recovery valve body

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101672174B (en) * 2009-10-14 2012-06-06 核工业理化工程研究院华核新技术开发公司 Energy-saving uninterrupted non-rod oil pumping device
CN103939056A (en) * 2014-04-09 2014-07-23 中国石油天然气股份有限公司 Oil well pump, oil extraction system of submersible linear motor well and working method of oil extraction system
CN103939056B (en) * 2014-04-09 2016-01-06 中国石油天然气股份有限公司 The oil extraction system of oil well pump, oil immersion line motor well and method of work thereof
CN107060690A (en) * 2017-06-11 2017-08-18 江苏航天鸿鹏数控机械有限公司 A kind of stepping oil recovery valve body

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C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20100609

Effective date of abandoning: 20091014