CN109931031A - Fluid pressure type bleeder - Google Patents
Fluid pressure type bleeder Download PDFInfo
- Publication number
- CN109931031A CN109931031A CN201711416770.4A CN201711416770A CN109931031A CN 109931031 A CN109931031 A CN 109931031A CN 201711416770 A CN201711416770 A CN 201711416770A CN 109931031 A CN109931031 A CN 109931031A
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- Prior art keywords
- inner sleeve
- shell
- hollow screw
- pipe
- screw
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- 239000012530 fluid Substances 0.000 title claims abstract description 24
- 238000007789 sealing Methods 0.000 claims abstract description 20
- 239000007788 liquid Substances 0.000 claims abstract description 16
- 238000009434 installation Methods 0.000 claims description 9
- 239000003129 oil well Substances 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 230000005484 gravity Effects 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 2
- 239000003921 oil Substances 0.000 abstract description 48
- 239000010779 crude oil Substances 0.000 abstract description 6
- 238000010276 construction Methods 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
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Abstract
A kind of fluid pressure type bleeder；Fluid pressure type bleeder includes shell, inner sleeve, hollow screw, sealing ring, ball sealer and attachment L-type suppress pipe；Fluid pressure type bleeder does not pass through the hollow screw of impact head striking oil draining apparatus, cuts the hollow screw of bleeder, exposes oil leak hole draining, but the hollow screw for cutting bleeder is realized by the way of hydraulic, exposes oil leak hole draining；To exclude oily liquid in pipe, guarantee that oil liquid in pipe is discharged into well when oil pipe, crude oil is avoided to overflow ground, pollute environment.
Description
Technical field
The present invention relates to a kind of bleeder, especially a kind of fluid pressure type bleeder.
Background technique
Bleeder primarily to prevent well site from polluting, facilitate well workover worker in well workover by it by the crude oil in oil pipe
It is discharged in well.Bleeder is mounted in oil pump tubing string and connect with oil pipe, and when oil well pump works normally, drain tap, which is in, is closed
State then opens oil leak hole when needing workover treatment, excludes oily liquid in pipe, oil pipe when having ensured that oil pipe in this way
Interior liquid is discharged into well, and crude oil is avoided to overflow ground, is polluted environment, is conducive to civilized construction.Furthermore it is also possible to using in oil pipe
Liquid kill-job, reduce pollution to oil reservoir.Bleeder with production or process pipe string down toward projected depth, when needing workover treatment
When, impact head is connected in the investment tubing string of sucker rod bottom, impact head hits draining under sucker rod acceleration gravity
Device sealing fixation hollow screw makes its cutting, exposes oil leak hole draining.But it is difficult effectively to hit, hits strength also bad control,
But also impact head is connected to sucker rod bottom, after rod whip, also taking out pumping rod, increase work
Amount.
Summary of the invention
The object of the present invention is to provide a kind of fluid pressure type bleeders；Fluid pressure type bleeder does not pass through impact head striking oil draining apparatus
Hollow screw, cut the hollow screw of bleeder, expose oil leak hole draining, but realize cutting draining by the way of hydraulic
The hollow screw of device exposes oil leak hole draining；To exclude oily liquid in pipe, guarantee that oil liquid in pipe is discharged into well when oil pipe
In, it avoids crude oil from overflowing ground, pollutes environment.
The object of the present invention is achieved like this: a kind of fluid pressure type bleeder.Fluid pressure type bleeder includes shell, inner sleeve
Pipe, hollow screw, sealing ring, ball sealer and attachment L-type suppress pipe.Shell is cylindrical hollow straight pipe structure, including bottom
End, top, main body, main body one end connect top, and the other end connects bottom end, and housing top end is internal thread structure, and shell bottom end is
External thread structure, there are two the hollow screw counterbore of the peripheral wall of break-through shell on the main body peripheral wall of shell, two hollow screws are heavy
Hole is opposite, the center line of two hollow screw counterbores on the same line and the central axis with shell, hollow screw counterbore
For internal thread structure；Inner sleeve is cylinder type hollow pipe, and inner sleeve top internal orifice is the inner arc circumferential surface of arc-shaped lead angle structure,
There is annular seal groove on inner sleeve periphery wall, the center line of seal groove and inner sleeve on the same line, has on inner sleeve tube wall
Two through-holes, two through-holes are opposite, and the center line of two through-holes is on the same line and the central axis with inner sleeve；It is hollow
Screw includes head and screw rod and foot piece, and screw rod both ends are separately connected head and foot piece, and hollow screw is blind hole structure, blind hole
For the mouth of structure on head, blind hole structure puts in foot piece, and the center line of head and screw rod, foot piece and blind hole structure is the same as always
On line, screw rod is external thread structure, and foot piece outer diameter is less than or equal to the outer diameter of screw rod.The both ends of attachment L-type suppress pipe are respectively
Interface, one end are the interface of external thread structure.In this way, by sealing ring installation set on the annular seal groove of inner sleeve, inner sleeve
Pipe cooperates with shell and connects, and makes its inner sleeve installation set inside the shell, and inner sleeve both ends do not protrude from the master of shell
In vitro, inner sleeve is located in the main body of shell, a hollow screw respectively with a hollow screw counterbore of the main body of shell and interior
One through-hole of casing wall cooperates connection, another hollow screw respectively with another hollow screw counterbore of the main body of shell and interior
Another through-hole of casing wall, which cooperates, to be connected, the interior spiral shell of the main body hollow screw counterbore of the external screw thread and shell of hollow screw screw rod
Line mutual cooperation screws connection, and foot piece is put in inner sleeve by inner sleeve pipe through-hole, makes shell and inner sleeve by hollow screw
It is fixed together.Sealing ring is connected between hollow screw and counterbore, makes to connect sealing, the master of shell between hollow screw and counterbore
Body and inner sleeve are sealed by sealing ring of the installation set on the annular seal groove of inner sleeve, the top on inner sleeve top and shell
In the same side, the bottom end of the inner sleeve other end and shell is the same as in the other side.In this way, in lower oil pipe, fluid pressure type bleeder is close
Envelope is connected in oil pump tubing string, and for housing top end towards upper, fluid pressure type bleeder enters oil well with oil pump tubing string
Bottom.Hydraulic oil drain device is mounted in oil pump tubing string and connect with oil pipe, and when oil well pump works normally, drain tap, which is in, is closed
State first plays out sucker rod when needing workover treatment, and ball sealer is put into oil pipe from oil pipe mouth, under gravity, is fallen
Onto the inner arc circumferential surface of inner sleeve top internal orifice, by the interface connected pipes of the external thread structure of attachment L-type suppress pipe one end
Mouthful, the interface of the L-type suppress pipe other end connects hydraulic press, it is suppressed by hydraulic press into oil pipe, thus, ball sealer and inner sleeve
In conjunction with the spherical surface of ball sealer and the inner arc circumferential surface of inner sleeve top internal orifice are tightly connected, when oily overpressure increases to one
When definite value, make inner sleeve slide downward under pressure, hollow screw cut, open oil leak hole, excludes oily liquid in pipe,
Oil liquid in pipe is discharged into well when having ensured that oil pipe in this way, and crude oil is avoided to overflow ground, is polluted environment, is conducive to civilization
Construction.To reach the purpose of the present invention.
By adopting the above-described technical solution, fluid pressure type bleeder does not pass through the hollow screw of impact head striking oil draining apparatus,
The hollow screw of bleeder is cut, oil leak hole draining is exposed, but realizes the hollow spiral shell for cutting bleeder by the way of hydraulic
Nail exposes oil leak hole draining；To exclude oily liquid in pipe, guarantee that oil liquid in pipe is discharged into well when oil pipe, avoids crude oil
Ground is overflowed, environment is polluted.Furthermore it is also possible to reduce the pollution to oil reservoir using the liquid kill-job in oil pipe.
Detailed description of the invention
Attached drawing 1: for fluid pressure type bleeder structural schematic diagram of the present invention.
In figure: 1, being connected between shell 2, hollow screw 3, inner sleeve 4, ball sealer 5, hollow screw and counterbore close
Seal 6, the sealing ring covered on the annular seal groove of inner sleeve
Specific embodiment
Referring to the attached drawing production present invention.
A kind of fluid pressure type bleeder.Fluid pressure type bleeder includes shell 1, inner sleeve 3, hollow screw 2, sealing ring, sealing
Ball 4 and attachment L-type suppress pipe.Shell is cylindrical hollow straight pipe structure, including bottom end, top, main body, and main body one end connects
Top is connect, the other end connects bottom end, and housing top end is internal thread structure, and shell bottom end is external thread structure, the main body week of shell
There are two the hollow screw counterbore of the peripheral wall of break-through shell on wall, two hollow screw counterbores are opposite, two hollow screw counterbores
Center line on the same line and the central axis with shell, hollow screw counterbore is internal thread structure；Inner sleeve is circle
Cylindricality hollow pipe, inner sleeve top internal orifice are the inner arc circumferential surface of arc-shaped lead angle structure, have annular close on inner sleeve periphery wall
The center line of sealing groove, seal groove and inner sleeve on the same line, has on inner sleeve tube wall there are two through-hole, and two through-holes are opposite,
The center line of two through-holes is on the same line and the central axis with inner sleeve；Hollow screw include head and screw rod and
Foot piece, screw rod both ends are separately connected head and foot piece, and the head of hollow screw is positive hexagonal column construction, and hollow screw is blind hole
Structure, for the mouth of blind hole structure on head, blind hole structure puts in foot piece, the center on head and screw rod, foot piece and blind hole structure
On the same line, screw rod is external thread structure to line, and foot piece outer diameter is less than or equal to the outer diameter of screw rod.Attachment L-type suppress pipe
Both ends are respectively interface, and one end is the interface of external thread structure.In this way, 6 installation set of sealing ring is close in the annular of inner sleeve
On sealing groove, inner sleeve and shell cooperate and connect, and make its inner sleeve installation set inside the shell, and inner sleeve both ends do not protrude
In outside the main body of shell, inner sleeve is located in the main body of shell, a hollow screw respectively with a hollow spiral shell of the main body of shell
Counterbore and one through-hole of inner sleeve tube wall is followed closely to cooperate connection, another hollow screw respectively with another hollow spiral shell of the main body of shell
It follows closely counterbore and another through-hole of inner sleeve tube wall cooperates and connects, the external screw thread of hollow screw screw rod and the main body hollow screw of shell
The internal screw thread mutual cooperation of counterbore screws connection, and foot piece is put in inner sleeve by inner sleeve pipe through-hole, is made by hollow screw outer
Shell is fixed together with inner sleeve.Sealing ring 5 is connected between hollow screw and counterbore, makes to connect between hollow screw and counterbore close
Envelope, the main body and inner sleeve of shell are sealed by sealing ring of the installation set on the annular seal groove of inner sleeve, inner sleeve top
With the top of shell in the same side, the bottom end of the inner sleeve other end and shell is the same as in the other side.In this way, in lower oil pipe, liquid
Pressure type bleeder is sealedly attached in oil pump tubing string, and housing top end is towards upper, and fluid pressure type bleeder is with oil pump tubing string one
It rises and enters oil well bottom.Hydraulic oil drain device is mounted in oil pump tubing string and connect with oil pipe, when oil well pump works normally, lets out
Hydraulic fluid port is in close state, and when needing workover treatment, first plays out sucker rod, and ball sealer is put into oil pipe from oil pipe mouth, in weight
It under the action of power, falls on the inner arc circumferential surface of inner sleeve top internal orifice, by the external thread structure of attachment L-type suppress pipe one end
The interface of interface connected pipes mouth, the L-type suppress pipe other end connects hydraulic press, is suppressed by hydraulic press into oil pipe, thus, it is close
Blocking is in conjunction with inner sleeve, and the spherical surface of ball sealer and the inner arc circumferential surface of inner sleeve top internal orifice are tightly connected, when in oil pipe
When pressure increase is to certain value, makes inner sleeve slide downward under pressure, hollow screw is cut, opens oil leak hole, row
Oil removing liquid in pipe.
Claims (2)
1. a kind of fluid pressure type bleeder；Fluid pressure type bleeder includes shell, inner sleeve, hollow screw, sealing ring；Shell is cylinder
The hollow straight pipe structure of shape, including bottom end, top, main body, main body one end connect top, and the other end connects bottom end, housing top end
For internal thread structure, shell bottom end is external thread structure, and there are two the hollow of the peripheral wall of break-through shell on the main body peripheral wall of shell
Screw counter bore, two hollow screw counterbores are opposite, the center line of two hollow screw counterbores on the same line and with shell
Central axis, hollow screw counterbore are internal thread structure；Inner sleeve is cylinder type hollow pipe, has annular on inner sleeve periphery wall
The center line of seal groove, seal groove and inner sleeve on the same line, has on inner sleeve tube wall there are two through-hole, two through-hole phases
Right, the center line of two through-holes is on the same line and the central axis with inner sleeve；Hollow screw includes head and screw rod
And foot piece, screw rod both ends are separately connected head and foot piece, hollow screw is blind hole structure, the mouth of blind hole structure on head,
Blind hole structure puts in foot piece, and on the same line, screw rod is external screw thread to the center line of head and screw rod, foot piece and blind hole structure
Structure, foot piece outer diameter are less than or equal to the outer diameter of screw rod；In this way, by sealing ring installation set on the annular seal groove of inner sleeve,
Inner sleeve and shell, which cooperate, to be connected, and makes its inner sleeve installation set inside the shell, and inner sleeve both ends do not protrude from shell
Main body outside, inner sleeve is located in the main body of shell, a hollow screw respectively with a hollow screw counterbore of the main body of shell
And one through-hole of inner sleeve tube wall cooperate connection, another hollow screw respectively with another hollow screw counterbore of the main body of shell
And another through-hole of inner sleeve tube wall cooperates and connects, the main body hollow screw counterbore of the external screw thread and shell of hollow screw screw rod
Internal screw thread mutual cooperation screw connection, foot piece is put in inner sleeve by inner sleeve pipe through-hole, by hollow screw make shell with it is interior
Casing is fixed together；Sealing ring is connected between hollow screw and counterbore, makes to connect sealing, shell between hollow screw and counterbore
Main body and inner sleeve sealed by sealing ring of the installation set on the annular seal groove of inner sleeve, inner sleeve top and shell
Top is in the same side, and the bottom end of the inner sleeve other end and shell is the same as in the other side；It is characterized in that: fluid pressure type bleeder further includes close
Blocking and attachment L-type suppress pipe, inner sleeve top internal orifice are the inner arc circumferential surface of arc-shaped lead angle structure, and attachment L-type is suppressed
The both ends of pipe are respectively interface, and one end is the interface of external thread structure；In lower oil pipe, fluid pressure type bleeder is tightly connected
In oil pump tubing string, for housing top end towards upper, fluid pressure type bleeder enters oil well bottom with oil pump tubing string；Liquid
Pressure bleeder is mounted in oil pump tubing string to be connect with oil pipe, and when oil well pump works normally, drain tap is in close state, when
When needing workover treatment, sucker rod is first played out, ball sealer is put into oil pipe from oil pipe mouth, under gravity, falls on inner sleeve
On the inner arc circumferential surface of tube top end internal orifice, by the interface connected pipes mouth of the external thread structure of attachment L-type suppress pipe one end, L-type
The interface of the suppress pipe other end connects hydraulic press, is suppressed by hydraulic press into oil pipe, thus, ball sealer in conjunction with inner sleeve,
The spherical surface of its ball sealer and the inner arc circumferential surface of inner sleeve top internal orifice are tightly connected, when oily overpressure increases to certain value
When, make inner sleeve slide downward under pressure, hollow screw is cut, open oil leak hole, excludes oily liquid in pipe.
2. fluid pressure type bleeder according to claim 1, the hexagonal cylindricality knot it is characterized in that: the head of hollow screw is positive
Structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711416770.4A CN109931031A (en) | 2017-12-17 | 2017-12-17 | Fluid pressure type bleeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711416770.4A CN109931031A (en) | 2017-12-17 | 2017-12-17 | Fluid pressure type bleeder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109931031A true CN109931031A (en) | 2019-06-25 |
Family
ID=66984248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711416770.4A Withdrawn CN109931031A (en) | 2017-12-17 | 2017-12-17 | Fluid pressure type bleeder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109931031A (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2571995Y (en) * | 2002-08-30 | 2003-09-10 | 李占军 | Under pump oil leakage device for petroleum sucking pipe type pump |
| CN201531248U (en) * | 2009-10-23 | 2010-07-21 | 胜利油田智成石油技术开发有限公司 | Differential-pressure type oil drain device |
| CN101864932A (en) * | 2010-05-28 | 2010-10-20 | 盘锦三阳石油科技发展有限公司 | Large-discharge electric submerged screw pump oil extracting equipment |
| CN203403866U (en) * | 2013-06-26 | 2014-01-22 | 张振海 | Integrated oil production technology tubular column |
| CN203626736U (en) * | 2013-09-13 | 2014-06-04 | 联合石油天然气投资有限公司 | Anti-eccentric-wear bleeder |
| CN204327048U (en) * | 2014-11-10 | 2015-05-13 | 中国石油化工股份有限公司 | A kind of relief valve and use the Flushing tubular column of this relief valve |
| CN204457616U (en) * | 2015-01-06 | 2015-07-08 | 中国石油天然气股份有限公司 | Combined oil drainage device for horizontal well and pipe column |
| CN204532255U (en) * | 2015-03-27 | 2015-08-05 | 天津克睿特维科技发展有限公司 | Ground hydraulic open-type down-hole drainage device |
| CN204941452U (en) * | 2015-08-21 | 2016-01-06 | 中国石油天然气股份有限公司 | Impact type oil drain device |
| CN205663429U (en) * | 2016-06-07 | 2016-10-26 | 中国石油化工股份有限公司 | Fluid pressure type sliding sleeve bleeder |
| CN206174923U (en) * | 2016-11-14 | 2017-05-17 | 庆阳洲阳石油机械制造有限公司 | Oil tube discharging device |
| CN206681707U (en) * | 2017-04-21 | 2017-11-28 | 中国石油化工股份有限公司 | Hammering oil discharger |
| CN109931032A (en) * | 2017-12-17 | 2019-06-25 | 江苏康群科技发展有限公司 | Fluid pressure type drainage device and suppress pipe |
-
2017
- 2017-12-17 CN CN201711416770.4A patent/CN109931031A/en not_active Withdrawn
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2571995Y (en) * | 2002-08-30 | 2003-09-10 | 李占军 | Under pump oil leakage device for petroleum sucking pipe type pump |
| CN201531248U (en) * | 2009-10-23 | 2010-07-21 | 胜利油田智成石油技术开发有限公司 | Differential-pressure type oil drain device |
| CN101864932A (en) * | 2010-05-28 | 2010-10-20 | 盘锦三阳石油科技发展有限公司 | Large-discharge electric submerged screw pump oil extracting equipment |
| CN203403866U (en) * | 2013-06-26 | 2014-01-22 | 张振海 | Integrated oil production technology tubular column |
| CN203626736U (en) * | 2013-09-13 | 2014-06-04 | 联合石油天然气投资有限公司 | Anti-eccentric-wear bleeder |
| CN204327048U (en) * | 2014-11-10 | 2015-05-13 | 中国石油化工股份有限公司 | A kind of relief valve and use the Flushing tubular column of this relief valve |
| CN204457616U (en) * | 2015-01-06 | 2015-07-08 | 中国石油天然气股份有限公司 | Combined oil drainage device for horizontal well and pipe column |
| CN204532255U (en) * | 2015-03-27 | 2015-08-05 | 天津克睿特维科技发展有限公司 | Ground hydraulic open-type down-hole drainage device |
| CN204941452U (en) * | 2015-08-21 | 2016-01-06 | 中国石油天然气股份有限公司 | Impact type oil drain device |
| CN205663429U (en) * | 2016-06-07 | 2016-10-26 | 中国石油化工股份有限公司 | Fluid pressure type sliding sleeve bleeder |
| CN206174923U (en) * | 2016-11-14 | 2017-05-17 | 庆阳洲阳石油机械制造有限公司 | Oil tube discharging device |
| CN206681707U (en) * | 2017-04-21 | 2017-11-28 | 中国石油化工股份有限公司 | Hammering oil discharger |
| CN109931032A (en) * | 2017-12-17 | 2019-06-25 | 江苏康群科技发展有限公司 | Fluid pressure type drainage device and suppress pipe |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190625 |