CN102374160A - Multichannel oil pump - Google Patents
Multichannel oil pump Download PDFInfo
- Publication number
- CN102374160A CN102374160A CN2011102354204A CN201110235420A CN102374160A CN 102374160 A CN102374160 A CN 102374160A CN 2011102354204 A CN2011102354204 A CN 2011102354204A CN 201110235420 A CN201110235420 A CN 201110235420A CN 102374160 A CN102374160 A CN 102374160A
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- valve
- pump
- pump line
- pipe
- oil
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- 210000003709 heart valve Anatomy 0.000 claims description 12
- 239000003129 oil well Substances 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract description 5
- 238000005086 pumping Methods 0.000 abstract description 5
- 239000007921 spray Substances 0.000 abstract 2
- 238000003466 welding Methods 0.000 abstract 2
- 239000003921 oil Substances 0.000 description 27
- 239000012530 fluid Substances 0.000 description 14
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000010779 crude oil Substances 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 206010028347 Muscle twitching Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Details Of Reciprocating Pumps (AREA)
Abstract
The invention relates to a multichannel oil pump. A pump body is installed in a pump pipe; a pumping rod is arranged in an outlet of the pump pipe and is connected with a hanging cap; the hanging cap is in threaded connection with an adjusting sleeve; the adjusting sleeve is in threaded connection with a spray welding pipe; the end part of the spray welding pipe is provided with a main pump head pipe; a pump pipe ramp is internally provided with a combined poppet valve arranged in the middle of the pump pipe; the combined poppet valve consists of a middle slug valve and a first T-shaped valve; and a lower slug valve and a second T-shaped valve matched with the lower slug valve form a check valve. By using the multichannel oil pump, oil can enter into an auxiliary channel in advance, the pump efficiency is averagely increased by 5-7%, the total liquid guiding area of the combined poppet valve is increased and exceeds a recommended value by 30%, and the check valve not only eliminates the oil backflow phenomenon, but also ensures the oil-filling content of the pump when a plunger piston moves downwards. By using the multichannel oil pump, the pump efficiency can be increased by 8-12%, so that the yield per well and per team of workers can be increased by 10-20%.
Description
Technical field:
The present invention relates to a kind of multichannel oil well pump.
Background technique: 1, existing ball formula oil well pump structure is called " three balls, one rod ", and a travelling valve was formed in the middle of promptly fixing up and down " valve " (being ball valve) added, connected and composed with the hollow plunger tube and the pump line unification of twitching up and down.
2, because three steel ball weight are very big,, in the small space of pump plug, occupy 45% footprint near 1.2kg; The water conservancy diversion area is reduced significantly; So oil-filled flow section is not enough: have only 45～60%, internal resistance is big, gasification easily; Effect is very low, in addition can not automatic vent, very easily cause defectives such as gas lock.
3, serious oil-filled backflow phenomenon also is the major reason that causes pump efficiency low excessively.According to statistics, only this item causes pump efficiency with a toll of about 8～12%.
Above-mentioned 3 losses that caused can reach 40～50% as far as ball valve, and this situation at home and abroad is ubiquitous.It is reported that a lot of departments of China also research and develop nearly more than 30 kinds of oil well pumps, but all because of all having adopted " ball type valve door " structural principle, its pump efficiency raising has only 1～1.7%.
Existing pumping unit poor efficiency is analyzed:
1, all establish 1-2 solid metal steel ball in the main body of every ball pump, its quality of opinion reaches 1,000g, and its ball self takes up space very big in pump, and it is higher to promote (lift and press) power, and therefore the oil-filled idle running waste of down stroke is bigger, and it is serious to reflux, and reaches 15%, and pump efficiency is difficult to improve.
2, owing to the steel ball occupy-place, it is more to make that the interior effectively circulation passage sectional area of pump is occupied, and objective effect is that the pump internal resistance is big, and circulation area is little, and pump efficiency is difficult to improve.
Summary of the invention: the purpose of this invention is to provide a kind of pump internal resistance that reduced significantly, reduce flow liquid speed, saved the duty volume, increased the oil-filled useful space, can significantly increase the multichannel oil well pump of individual well split run output.Technological scheme of the present invention is: a kind of multichannel oil well pump, and the pump housing is installed in the pump line, is sucker rod in the pump line outlet; The sucker rod connection is hung and is emitted, and hangs to emit with the adjustment thread die cutting to be connected, and the adjustment cover is threaded with blow pipe; Blow pipe spiral shell end is installed pump head and is responsible for; A combination poppet-valve is installed in the pump line slideway is positioned at the pump line middle part, the combination poppet-valve is made up of a middle part heart valve and a T type valve, and middle part heart valve is slidingly installed on the track that the vertical a plurality of guiding trestles of pump line madial wall form; Form a plurality of vertical lateral access between leading truck and pump line madial wall, the middle part heart valve outer side wall; The valve rod end thread of the one T type valve bottom connects first limited ring, and the valve rod of a T type valve is inserted in the core valve center hole of middle part, outer a plurality of first central passages that are divided into vertical direction by the valve wall of middle part core valve center hole; The lower core valve constitutes safety check with the 2nd equipped T type valve; Wherein the lower core valve is inner for being fixedly connected with pump line; The valve seat of bottom pump line pipeline fixed installation lower core valve; The valve rod of the 2nd T type valve is inserted in the lower core valve base center hole, and the valve rod end thread of the 2nd T type valve bottom connects second limited ring, outer a plurality of second central passages that are divided into vertical direction by the valve wall of lower core valve center hole.
Working procedure of the present invention:
When a. the sucker rod in the pump line is descending; The one T type valve rises earlier automatically and opens, and residual gas in the pump is emitted and the middle part vertical lateral access of core valve is open-minded, and the traction core valve of taking advantage of a situation rises and opens; Automatically open whole first central passages, the suitable filler opening sectional area 135% of Oil Guide cross section summation this moment;
B. when sucker rod plunger pump was descending, safety check was in automatic closed condition, made last time to take out the fluid that is present in the pump line and can not reflux, and under the crunch when plunger is descending, the fluid in the pump line can only all be pressed to pump line top and discharge.
C. when rod string in the pump is gone beyond the Great Wall; The 2nd T type valve is up, can not move because the lower core valve is fixed on the valve seat of lower core valve, causes up the opening of the 2nd T type valve to make fluid get into; The stroke distances of opening is limited by second limited ring; Making its underpart form powerful secondary the pressure is degree of vacuum, forces down the fluid of oil pipe to fill in the pump line between combination poppet-valve and the safety check through safety check, and this moment, the one T type valve was in closed condition; Be full of fluid up to this section pump line, for oil pumping next time is carried out oil storage, extracted and prepare.
Technique effect of the present invention:
A. behind the T type opening of valves in the core valve of middle part, exhaust makes subaisle shift to an earlier date oil-feed, and pump efficiency 5%～7% is all increased in lining factually.
B. make up the total drain area of poppet-valve and increase, surpass 30 percentage points of recommendations, increased by 30%～50% with long-pending the comparing of former ball valve guide face.
C. the safety check effect is bigger, and it has not singly been eliminated fluid and has returned flow phenomenon, the prior oil-filled amount of the descending pump of plunger that guaranteed, and this is crucial to raising the efficiency and improving output.According to calculating and operation trials shows that this covering device can improve pump efficiency 8%～12%, and makes the output individual well, split run can increase production 10%～20%!
In the oil well pump extraction process of the present invention, the crude oil well liquid level raises more than 300 meters, the energy consumption that also shown the saving that has by a relatively large margin indirectly; Fluid concentration increase to some extent (+130ppm), the opinion its essence, oil concentration is to be restricted by oil content.
Technological creation type of the present invention shows:
1. solve the automatic vent function in the oil pumping process and increased the function of pump efficiency;
2. realized low internal resistance, big flow area has adopted combination poppet-valve special construction, and the conducting cross section surpasses recommendation 130%, the topping up effect is had by a relatively large margin promote, oil-filled increase and improved pump efficiency;
3. eliminated because of descending oil-filled the impelling of sucker rod plunger returns flow phenomenon, utilized specially designed safety check to realize, also guaranteed the reliability of pump efficiency simultaneously, effectively improved, survey shows that this measure can improve pump efficiency 11%～22% factually.In addition, in actual observation record, demonstrate the phenomenon of two kinds of beyong contemplations, wherein:
1. in operation, the crude oil well liquid level height raises more than 300 meters, therefore also has and saves energy consumption by a relatively large margin;
2. in the operation, fluid concentration increase to some extent (+130ppm), if its essence of opinion, fluid concentration is to be directly proportional with oil content.To the appearance of this phenomenon still among inquiring into.
It is estimated; Any fund input that it goes without doing oil field only makes former ball valve pump into the product of the present invention's design, in two or three years; Its units increased in production equals to increase a Daqing oil field; If it is promoted the use of to oil field, the world, can stablize region output general layout, stablize oil price and promote the industry pace of progress.It just can not add up and contain the drive of economic benefit and social benefit with numeral.
Characteristics of the present invention:
1, cancel all ball-valve structure in the pump, no matter be that standing valve or travelling valve are all discarded, adopt the combination poppet-valve of independent research to replace, thoroughly eliminated the problem that pump efficiency increase and oil production are difficult to improve that influence.
2, be provided with automatic vent mechanism in the pump, got rid of " gas lock " phenomenon and improved minute-pressure startup ability, reduced the backlash of " oil-filled " stroke.
3, increased considerably water conservancy diversion cross section in the pump, being jumped by 62% 1 of ball-valve structure to reach 125%.
4, reduce the pump internal resistance significantly, reduced flow liquid speed, prevented that cavitation (bubble) from producing, saved the duty volume, increased the oil-filled useful space.
5, whole pump line lower end is provided with the fluid non-return mechanism, has stopped the back-pressure backflow phenomenon of topping up, has guaranteed effective filling amount, has significantly increased individual well split run output, and actual extraction proves that only this item can increase the production fluid amount more than 10%.
Description of drawings (note: every in following figure all adopts independent A4 map sheet)
Fig. 1 is a pump head structure sectional view of the present invention
Fig. 2 is the pump housing of the present invention middle part combination poppet-valve structure sectional view
Fig. 3 is a pump housing of the present invention bottom check valve structure sectional view
Fig. 4 is middle part combination poppet-valve structure A_A sectional view
Fig. 5 is a bottom check valve structure B-B sectional view
Embodiment:
The present invention as shown in Figure 1 is a kind of multichannel oil well pump, and the pump housing is installed in the pump line 1, is rod string match 2 in pump line 1 outlet; Rod string match connects to hang emits 3, hangs and emits 3 to be threaded with adjustment cover 4, and adjustment is overlapped 4 and is threaded with blow pipe 5; Blow pipe 5 spiral shell ends are installed pump head and are responsible for 6; A combination poppet-valve is installed in the pump line slideway is positioned at the pump line middle part, as shown in Figure 2, the combination poppet-valve is made up of a middle part heart valve 7 and a T type valve 8; Middle part heart valve 7 is slidingly installed on the track that the vertical a plurality of leading trucks 9 of pump line madial wall form; Leading truck 9 and pump line madial wall, as shown in Figure 4, the valve rod end thread that forms a plurality of vertical lateral access 10, the one T type valves 8 bottoms between heart valve 7 outer side walls of middle part connects first limited ring 11; The valve rod of the one T type valve 8 is inserted in core valve 7 center holes of middle part, outer a plurality of first central passages 12 that are divided into vertical direction by the valve wall of middle part core valve 7 center holes; As shown in Figure 3; Lower core valve 13 constitutes safety check with the 2nd equipped T type valve 14, and wherein lower core valve 13 is inner for being fixedly connected the valve seat 15 of bottom pump line pipeline fixed installation lower core valve with pump line; The valve rod of the 2nd T type valve 14 is inserted in lower core valve 13 center holes; The valve rod end thread of the 2nd T type valve 14 bottoms connects second limited ring 15, and is as shown in Figure 5, outer a plurality of second central passages 16 that are divided into vertical direction by the valve wall of lower core valve 13 center holes.
As shown in Figure 1, described a plurality of leading trucks 9 all are positioned on the spacing guiding grid 17, and the pump line end is the valve seat 18 of lower core valve, and pipe box cupling 19 tops connect the pump line tail end, connect oil pipe 20 under pipe box cupling 19 bottoms connect.
The present invention's structure and working principle in an embodiment:
1, the present invention adopts the combined type poppet-valve to replace, and its outstanding advantage is that structure is light and handy, makes to take up space for a short time in the pump, and passage section heightens, and has reduced internal resistance significantly.
2, the combination poppet-valve is made up of a middle part heart valve and a T type valve, but automatic vent has increased the central through-flow face again, makes total passage section reach 120% of recommended maximum.
3, be provided with spacing guiding grid in the pump, all ability is reliable closed under any state to make combination heart valve, guarantees that oil well pump is suitable at straight well, inclined shaft without exception.
4, the special safety check of a cover is established in the pump line lower end, has eliminated the backflow phenomenon of the descending topping up process of pump, and this measure can improve about pump efficiency 10%-15%.
5, working principle:
By standard oil well pump stroke is 6M, and protocorm formula pump is up to 50%-60% with pump efficiency.It is 75%-90% with the design load of pump efficiency that multichannel high-efficient is taken out pump, and its pump efficiency has reached 78%-86% at triumph and Daqing oil field probationary certificate through actual, and its working procedure is following:
1, rod string is matched when descending, and in descending 10cm, a T type valve opens automatically, residual gas in the pump line is discharged, thereby improve 8-10 percentage point of effective travel utilization ratio.
2, in the moment that a T type opens, middle part heart valve tractive is started, and in the 30cm stroke, all passage is opened, pump internal channel stream 100% is utilized.
3, match when up when rod string, the combination poppet-valve falls to closing, and produces powerful negative pressure in this pump lower end, so the fluid in the oil pipe of pump lower end charges in the oil pump tube through safety check, and pump upper end fluid is also extracted out naturally.
4, when rod string match was descending again, its pump lower end safety check cut out automatically, utilize the descending crunch of pump will manage in the fluid guiding pump of lower end and the oil pipe of guiding upper end, this one action can improve 10%-15% again with pump efficiency.That is: filling amount is near more than 95%.
Above-mentioned all is to produce efficiently, the basic principle of high yield, and certainly, wherein the core technology content has official report to the superior in addition.
5, energy-conservation, synergy budgetary estimate:
A, these pump external dimension are identical with general " ball-valve type pump ", and all genus pumping units all can directly substitute, and will not have type now and do any change, so the Plant reconstruction plant modernization investment is zero.
Although the b pump efficiency is improved largely, unit split run output has obvious leap (reaching 30%-40%), and energy consumption is had no to be increased and influence, can loss-rate not increase with output, has saved about 25%-35% on year-on-year basis thereby saved power consumption.
Claims (2)
1. multichannel oil well pump; The pump housing is installed in the pump line (1), is sucker rod hollow main column match (2) in pump line (1) outlet, and the rod string match connects to hang emits (3); Hang and emit (3) to be threaded with adjustment cover (4); Adjustment cover (4) is threaded with blow pipe (5), and blow pipe (5) spiral shell end is installed pump head and is responsible for (6), it is characterized in that: a combination poppet-valve is installed in the pump line slideway is positioned at the pump line middle part; The combination poppet-valve is made up of a middle part heart valve (7) and a T type valve (8); Middle part heart valve (7) is slidingly installed on the track that the vertical a plurality of leading trucks (9) of pump line madial wall form, and forms a plurality of vertical lateral access (10) between leading truck (9) and pump line madial wall, middle part heart valve (7) outer side wall, and the valve rod end thread of T type valve (a 8) bottom connects first limited ring (11); The valve rod of the one T type valve (8) is inserted in core valve (7) center hole of middle part, outer a plurality of first central passages (12) that are divided into vertical direction by the valve wall of middle part core valve (7) center hole; Lower core valve (13) constitutes safety check with the 2nd equipped T type valve (14); Wherein lower core valve (13) is inner for being fixedly connected with pump line; The valve seat (15) of bottom pump line pipeline fixed installation lower core valve; The valve rod of the 2nd T type valve (14) is inserted in lower core valve (13) center hole, and the valve rod end thread of the 2nd T type valve (14) bottom connects second limited ring (15), outer a plurality of second central passages (16) that are divided into vertical direction by the valve wall of lower core valve (13) center hole.
2. a kind of multichannel oil well pump according to claim 1; It is characterized in that: described a plurality of leading trucks (9) all are positioned on the spacing guiding grid (17); The pump line end is feed liquor valve seat (18), and pipe box cupling (19) top connects the pump line tail end, connects oil pipe (20) under pipe box cupling (19) bottom connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102354204A CN102374160A (en) | 2011-08-17 | 2011-08-17 | Multichannel oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102354204A CN102374160A (en) | 2011-08-17 | 2011-08-17 | Multichannel oil pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102374160A true CN102374160A (en) | 2012-03-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102354204A Pending CN102374160A (en) | 2011-08-17 | 2011-08-17 | Multichannel oil pump |
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| Country | Link |
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| CN (1) | CN102374160A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108547764A (en) * | 2018-03-29 | 2018-09-18 | 胜利油田金岛实业有限责任公司胜岛石油机械厂 | Short distance limits to valve ball movement protection oil well pump |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3535056A (en) * | 1968-10-07 | 1970-10-20 | Dixon T Harbison | Oil well pump assembly |
| CN1362582A (en) * | 2002-01-23 | 2002-08-07 | 曹冠军 | Valve capable of raising the efficiency of oil pump |
| CN1904363A (en) * | 2005-07-26 | 2007-01-31 | 凌建军 | Method and device of improving effect of rod oil pump and realizing energy saving of rod oil pump |
| CN101042131A (en) * | 2007-04-30 | 2007-09-26 | 李荣升 | Two-channel high efficiency drawing liquid pump |
| CN201059263Y (en) * | 2007-04-30 | 2008-05-14 | 李荣升 | Two-path highly effective liquid drawing pump |
| CN201908814U (en) * | 2010-06-09 | 2011-07-27 | 徐承韬 | Two-stage pump cylinder and two-stage plunger piston combined pump cylinder pipe type pump |
-
2011
- 2011-08-17 CN CN2011102354204A patent/CN102374160A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3535056A (en) * | 1968-10-07 | 1970-10-20 | Dixon T Harbison | Oil well pump assembly |
| CN1362582A (en) * | 2002-01-23 | 2002-08-07 | 曹冠军 | Valve capable of raising the efficiency of oil pump |
| CN1904363A (en) * | 2005-07-26 | 2007-01-31 | 凌建军 | Method and device of improving effect of rod oil pump and realizing energy saving of rod oil pump |
| CN101042131A (en) * | 2007-04-30 | 2007-09-26 | 李荣升 | Two-channel high efficiency drawing liquid pump |
| CN201059263Y (en) * | 2007-04-30 | 2008-05-14 | 李荣升 | Two-path highly effective liquid drawing pump |
| CN201908814U (en) * | 2010-06-09 | 2011-07-27 | 徐承韬 | Two-stage pump cylinder and two-stage plunger piston combined pump cylinder pipe type pump |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108547764A (en) * | 2018-03-29 | 2018-09-18 | 胜利油田金岛实业有限责任公司胜岛石油机械厂 | Short distance limits to valve ball movement protection oil well pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| ASS | Succession or assignment of patent right |
Owner name: LI CHANGHAI Free format text: FORMER OWNER: HARBIN RONGSHENG PETROLEUM MACHINERY TECHNOLOGY DEVELOPMENT CO., LTD. Effective date: 20120117 Owner name: LI RONGSHENG Effective date: 20120117 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 150036 HARBIN, HEILONGJIANG PROVINCE TO: 150060 HARBIN, HEILONGJIANG PROVINCE |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20120117 Address after: 150060 Heilongjiang Province, Harbin city Youxie Street Pingfang District No. 206 1 unit 4 floor No. 1 Applicant after: Li Changhai Co-applicant after: Li Rongsheng Address before: 150036 Heilongjiang Province, Harbin city Youxie East Three Street Pingfang District No. 30 1 unit 2 Building 2 Applicant before: Harbin Rongsheng Petroleum Machinery Technology Development Co., Ltd. |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120314 |