CN2242981Y - Injection-extraction-tube type pump - Google Patents
Injection-extraction-tube type pump Download PDFInfo
- Publication number
- CN2242981Y CN2242981Y CN 95224851 CN95224851U CN2242981Y CN 2242981 Y CN2242981 Y CN 2242981Y CN 95224851 CN95224851 CN 95224851 CN 95224851 U CN95224851 U CN 95224851U CN 2242981 Y CN2242981 Y CN 2242981Y
- Authority
- CN
- China
- Prior art keywords
- pump
- column casing
- hollow
- oil
- pump barrel
- 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 - Fee Related
Links
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 2
- 238000005086 pumping Methods 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 8
- 239000007788 liquid Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 206010028347 Muscle twitching Diseases 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
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- Details Of Reciprocating Pumps (AREA)
Abstract
The utility model relates to an underground injection-extraction-tube type pump for oil wells, particularly thermal production wells for thick oil in oil exploitation. The utility model is mainly composed of a pump cylinder 1 which is provided with a duct 6 at the middle upper part. A fixed valve seat 10 is fixed on the bottom of the pump cylinder 1, a hollow plunger piston 5 of which the middle part is a hollow column casing is arranged in an inner cavity, a channel 4 is arranged on the conical surface of a cone at the upper end of the hollow column casing, and the bottom of the hollow column casing is the valve seat 8 of a free valve 7. The injection-extraction-tube type pump can realize gas injection and oil extraction by one time for thermal production wells without moving a tube column and rotating a shaft, can reduce working cost, can enlarge the liquid discharging amount of a single well, and can improve the efficiency of oil production.
Description
The related notes of the utility model are adopted tubing pump, are the downhole tools of oil well in a kind of petroleum production, particularly thick oil thermal extraction.
At present, at aboveground thick pump and the big discharge capacity tubing pump taken out of reducing that generally use of oil recovery by heating, it is little to take out pump displacement owing to reducing is thick, can not satisfy the technical requirements that high yield thermal production well and thermal production well high water-cut stage need improve lifting rate; As the common big discharge capacity tubing pump of independent use, then when annotating vapour, need from down-hole taking-up tubing pump, could implement to annotate vapour, stewing well, three production technology stages of open flow, and then the production of pumping of tubing pump and roofbolt G.I.H, like this, every mouthful of well need open lower tubular column through notes vapour-Cai liquid one-period and change pump twice, can not realize that fixed tubular column changes the production needs of taking out, be unfavorable for enhancing productivity, increase operating cost.
The purpose of this utility model is to overcome above-mentioned shortcoming, provides a kind of notes to adopt tubing pump, realizes that thermal production well steam soak and fixed tubular column change the matched process technology requirement of taking out and improving the individual well lifting rate.
The main body that notes are adopted tubing pump is a pump barrel, and the pump barrel middle and upper part has the streamline duct of symmetrical distribution, and the pump barrel bottom is provided with the standing valve seat, is equipped with the standing valve ball on it; Inner chamber at pump barrel is provided with hollow plunger, and the hollow plunger middle part is hollow column casing, and the conical surface of the upper end taper of hollow column casing is provided with passage, joins with the upper connection of hollow plunger, is used to connect sucker rod, and the bottom of hollow column casing is the valve seat of travelling valve.
The column casing external diameter of hollow plunger is close with the internal diameter of pump barrel, has O type seal groove at upper and lower position, the outside of the hollow column casing of hollow plunger, and the O RunddichtringO is set respectively.
When the hollow column casing of hollow plunger is adjacent to duct on the pump barrel when twitching up and down, form the passage of pumping down-hole liquid between the standing valve duct of last conical surface passage, travelling valve duct, hollow column casing bottom surface and pump barrel bottom, realize the oil pumping operation.When hollow plunger drops on the pump barrel bottom, when making hollow column casing epicone face be positioned at pump barrel duct following, the pump barrel duct is in opening state, promptly forms between conical surface passage, pump barrel duct and the oil casing annular space and annotates vapour, open flow passage, realizes ground notes vapour, stewing well, open flow operation.
Adopt these notes to adopt tubing pump, can realize that operation is taken out in the disposable fixed tubular column commentaries on classics of notes vapour, oil pumping of thermal production well, reduce operating cost; Can strengthen the individual well lifting rate, improve oil recovery efficiency.
Below in conjunction with accompanying drawing the utility model is described in further detail.
Fig. 1 adopts tubing pump pumping upstroke structural representation for annotating;
Fig. 2 adopts tubing pump pumping down stroke structural representation for annotating;
Fig. 3 adopts tubular type infusion vapour, open flow status architecture schematic representation for annotating.
The upper end that notes are adopted the pump barrel 1 of tubing pump has external connection screw, is used for joining with oil pipe; The middle and upper part of pump barrel 1 is provided with some uniform ducts 6, and duct 6 is streamline, is beneficial to oil, steam flow passes through; Pump barrel 1 bottom is provided with standing valve seat 10, is equipped with standing valve 9 on it; Inner chamber at pump barrel 1 is provided with hollow plunger 5, and the middle part of hollow plunger 5 is hollow column casings, and the upper-end surface of hollow column casing is positive taper, joins with upper connection 3, and upper connection 3 is joined with sucker rod 2; The conical surface of taper is provided with some uniform ducts 6, is used for the circulation of down-hole output liquid, and the bottom of hollow plunger 5 is the valve seat 8 of travelling valve 7; The internal diameter of hollow plunger 5 column casing external diameters and pump barrel 1 is close, in order to realize the sealing of moving about between the two, has O type seal groove at the upper and lower position, the outside of hollow plunger 5 hollow column casings, and the O RunddichtringO is set respectively.
Referring to Fig. 1, Fig. 2.
When notes were adopted tubing pump pumping upstroke, pumping unit moved to upper dead center, and hollow plunger 5 moves upward, travelling valve 7 is closed, pump barrel 1 lower cavity A increases and forms negative cavity, and standing valve 9 is opened, and formation fluid stream is inhaled in the cavity A by the duct of standing valve 9; When hollow plunger 5 continued to move upward, liquid stream was full of cavity A.
When notes are adopted tubing pump pumping down stroke, pumping unit moves to lower dead centre, liquid in the cavity A by hollow plunger 5 to lower compression, smaller volume, standing valve 9 is closed, travelling valve 7 is forced to open, and liquid enters in the cavity B of hollow plunger 5, and the epicoele that enters pump barrel 1 by the duct 4 on the hollow plunger 5 upper end conical surfaces flows to well head again.
Because at hollow plunger 5 up and down in the movement process, its column casing is adjacent to the duct on the pump barrel 1 all the time, both are in the sealing state that moves about, so, form the passage of pumping down-hole liquid between standing valve 9 ducts of last conical surface passage 4, travelling valve 7 ducts, hollow column casing bottom surface and pump barrel 1 bottom, realized that fixed tubular column changes to take out operation.
Referring to Fig. 3.When oil well need be annotated vapour, at well head polished rod is transferred, make and annotate the lower dead centre (over-stroke approaches 0) that the hollow plunger 5 adopt guider drops on pump barrel 1, this moment, duct 6 was in opening state, steam by the duct 6 in the pump barrel 1 enter oil, the sleeve pipe annular space enters oil reservoir; When needing open flow, can motionless roofbolt, tubing string and directly carrying out, formation fluid stream 6 enters and flows to well head in the oil pipe through the duct from oil, sleeve pipe annular space; The another kind of technological method of annotating vapour, open flow is directly hollow plunger 5 upwards to be proposed pump barrel 1.
Claims (3)
1. notes are adopted tubing pump, are mainly had pump barrel (1) formation of symmetrical distribution duct (6) by its middle and upper part, and it is characterized in that: pump barrel (1) bottom is provided with standing valve seat (10), is equipped with standing valve (9) on it; Inner chamber at pump barrel (1) is provided with hollow plunger (5), hollow plunger (5) middle part is hollow column casing, the conical surface of the upper end taper of hollow column casing is provided with passage (4), join with hollow plunger (5) upper connection (3), be used to connect sucker rod (2), the bottom of hollow column casing is the valve seat (8) of travelling valve (7).
2. notes according to claim 1 are adopted tubing pump, it is characterized in that, the internal diameter of the column casing external diameter of described hollow plunger (5) and pump barrel (1) is close, has O type seal groove at the upper and lower position, the outside of the hollow column casing of hollow plunger (5), and the O RunddichtringO is set respectively.
3. notes according to claim 1 and 2 are adopted tubing pump, it is characterized in that, the duct (6) of described pump barrel (1) is streamline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95224851 CN2242981Y (en) | 1995-10-13 | 1995-10-13 | Injection-extraction-tube type pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95224851 CN2242981Y (en) | 1995-10-13 | 1995-10-13 | Injection-extraction-tube type pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2242981Y true CN2242981Y (en) | 1996-12-18 |
Family
ID=33871486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95224851 Expired - Fee Related CN2242981Y (en) | 1995-10-13 | 1995-10-13 | Injection-extraction-tube type pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2242981Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102587879A (en) * | 2012-03-22 | 2012-07-18 | 胜利油田泰峰机电有限责任公司 | Oil production method using steam power to lift thick oil |
| CN108350874A (en) * | 2015-11-11 | 2018-07-31 | 固瑞克明尼苏达有限公司 | Ball cage with directional flow path for ball pumps |
| CN108361182A (en) * | 2018-01-08 | 2018-08-03 | 诸暨市超前泵业科技有限公司 | Underground reciprocating formula rodless pump |
-
1995
- 1995-10-13 CN CN 95224851 patent/CN2242981Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102587879A (en) * | 2012-03-22 | 2012-07-18 | 胜利油田泰峰机电有限责任公司 | Oil production method using steam power to lift thick oil |
| CN108350874A (en) * | 2015-11-11 | 2018-07-31 | 固瑞克明尼苏达有限公司 | Ball cage with directional flow path for ball pumps |
| CN108361182A (en) * | 2018-01-08 | 2018-08-03 | 诸暨市超前泵业科技有限公司 | Underground reciprocating formula rodless pump |
| CN108361182B (en) * | 2018-01-08 | 2023-08-15 | 诸暨市超前泵业科技有限公司 | Reciprocating rodless oil pump in pit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |