CN107558960A - The method that twin-well oil recovery is converted to single well production - Google Patents
The method that twin-well oil recovery is converted to single well production Download PDFInfo
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- CN107558960A CN107558960A CN201710903758.XA CN201710903758A CN107558960A CN 107558960 A CN107558960 A CN 107558960A CN 201710903758 A CN201710903758 A CN 201710903758A CN 107558960 A CN107558960 A CN 107558960A
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- wife
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- well
- counterweight
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Abstract
The invention discloses the method that a kind of oil recovery of twin-well is converted to single well production, solves the problems, such as that existing twin-well oil recovery opposite side when one side stops taking out must shut down in the lump.Particularly：Increase secondary counterweight on the basis of first wife's weight, the secondary counterweight is bound up for balancing load when single well production end sucker rod is lifted again with first wife；Releasing stops taking out the haulage cable of side and being coupled for sucker rod；Required according to single well production, increase the intensity of twin-well oil-pumping machine pylon and the resistance to capsizing of installation foundation.Twin-well is recovered the oil and is converted to single well production, and its downtime is short, and output reduction is minimized caused by shutting down influence, and whole operation process is simple, is easily realized.
Description
Technical field
The present invention relates to oil extraction in oil field method, the method for being converted into single well production that particularly twin-well recovers the oil, you can real
Existing twin-well recovers the oil, and can meet the needs of single well production again.
Background technology
In oil extraction in oil field equipment, the oil pumper of pylon structure is divided into tower shelf type oil pumping machine（Individual well oil pumper）And tower-type
Twin-well oil-pumping machine.Individual well oil pumper is that load when sucker rod is lifted in oil well is directly balanced by counterweight, reaches motor with flat
Steady power output operation, it is necessary to balance weight it is bigger.
The upper and lower interaction operation of tower-type twin-well oil-pumping machine driving both sides sucker rod, by the interaction of two mouthfuls of well load, mutually
Balance, realizes that motor is run with stable power output, considers that two mouthfuls of oil well load are different, generally configures the counterweight of lower weight
It is poor to balance two well load.
Tower shelf type oil pumping machine（Individual well oil pumper）Different with the function of tower-type twin-well oil-pumping machine both oil pumpers, it is tied
Structure and operation principle also differ, and both can not mutually change use.
If twin-well oil-pumping machine uses as single well production, due to losing the counteracting forces of other a bite oil well load,
Lifted in sucker rod running, motor current value increases exponentially, and power consumption is big, while needs the motor from relatively high power；
And in sucker rod dropping process, it may appear that the phenomenon that external force motor generates electricity, equipment is by abnormal operation shape
State.
Two kinds of oil pumper installation sites are big apart from well head size difference.Individual well oil pumper mounting distance oil well is closer, tower
Frame is less than 1 meter apart from well head；And twin-well oil-pumping machine is arranged on two mouthfuls of oil well centre positions, two mouthfuls of oil well well spacing scopes are 6-11 rice
Between（Note：Twin-well oil-pumping machine pylon size：It is long × wide=2 meters × 2 meters）, pylon is apart from oil well：2-4.5 rice.If twin-well is pumped
Machine uses as single well production, and due to losing the counteracting forces of other a bite oil well load, unilateral stress distance is big（It is individual well
2-4.5 times of oil pumper）, pylon easily bent, the installation foundation that pylon is fixed easily goes out by unilateral moment of torsion active force
Now topple.Therefore, twin-well oil-pumping machine can not use as single well production simultaneously under normal circumstances.
But twin-well oil-pumping machine is in the process of running, the situation that wherein a bite oil well breaks down is frequently encountered, such as：
Holddown, pump leakage are serious, at this time need to shut down, oil well is overhauled, the repair time needs 5 days, in addition a bite fault-free
Oil well passively stops recovering the oil, and stopping well influences 300 tons of oil production（Calculated by 60 ton days）.
After twin-well oil-pumping machine operation a period of time, the situation of wherein a bite oil well produced liquid oil-free is run into, it is necessary to shut down, it is no
Then Produced Liquid is transfused to oil pipe netting twine, increases subsequent treatment cost.To ensure that other a bite well recovery is taken out, it is necessary to use individual well instead
Oil machine uses.First have to disassemble twin-well oil-pumping machine, be replaced by individual well oil pumper, dismantle a twin-well oil-pumping machine, in addition again
One single well production oil pumper is installed（150,000 yuan or so of purchasing price）, it is necessary to crane, transport vehicle, car, the people of personnel 6 are, it is necessary to 3
Its time, expense are：2.7 ten thousand yuan.180 tons of oil production is influenceed because stopping well.
Therefore, if twin-well oil-pumping machine use range can be expanded, twin-well oil recovery is not only used as, can also be as single well
Oil is used, and great convenience will be brought to user.
The content of the invention
In view of this, the present invention provides a kind of method that twin-well oil recovery is converted to single well production, this method ensure that pylon
Formula twin-well oil-pumping machine can twin-well recover the oil and single well production between free switching.
For achieving the above object, the technical solution adopted by the present invention is：A kind of twin-well recovers the oil and is converted to single well production
Method, it is characterised in that：Increase secondary counterweight on the basis of first wife's weight, the secondary counterweight is bound up for balancing again with first wife
Load during the sucker rod lifting of single well production end；Releasing stops taking out the haulage cable of side and being coupled for sucker rod；According to individual well
Recover the oil and require, increase the intensity of twin-well oil-pumping machine pylon and the resistance to capsizing of installation foundation.
Preferably, the secondary counterweight shape and outside dimension are consistent with first wife's weight.
Preferably, the secondary counterweight is with the method that first wife is coupled again：In the side of secondary counterweight and first wife's weight respectively symmetrically
Reinforcing plate is welded, a pair of hangers are welded in the centre position of each reinforcing plate vertically, and when secondary counterweight overlaps up and down with first wife's weight, pair is matched somebody with somebody
Every a pair of hangers of weight correspond to first wife again on a pair of hangers, each group of hanger formed after the conjunction overlapping with first wife of secondary counterweight
Between insert joint cover, joint cover passes through connecting pin and locking respectively with a pair of hangers of first wife's weight and a pair of hangers of secondary counterweight
Nut assembly is fixedly connected.
Preferably, secondary counterweight is bound up for balancing load when single well production end sucker rod is lifted again with first wife,
Specific balance method is that secondary counterweight is hung on counterweight rope with after first wife's weight, weight counterbalance operation direction or being pumped with single well production end
Bar traffic direction is on the contrary, or change winding direction of the counterweight armored rope on roller.
Preferably, release stop taking out the haulage cable of side and the connecting method of sucker rod be：If set in roller side
A dry threading hole, remove and stop packing up steel wire rope after being coupled of the haulage cable for taking out side and sucker rod to be wrapped on roller,
And with the iron wire bundled fixed through threading hole on roller.
Preferably, increasing the method for the intensity of twin-well oil-pumping machine pylon is：Increase the model of shaped steel.
Preferably, the method for increase installation foundation resistance to capsizing is：Increase the appearance and size in underlying group portion.
Beneficial effects of the present invention：
When twin-well oil recovery the 1st, being converted into single well production, the secondary counterweight being pre-placed in derrick need to be only bound up on again with first wife
Together, and by the haulage cable for stopping taking out side it is fastened by iron wire on roller, whole operation process is simple, easily real
It is existing；
2nd, twin-well recovers the oil and is converted to single well production, and its downtime is short, is minimized because shutting down the output reduction caused by influenceing, together
When also shutdown loss is preferably minimized.
Brief description of the drawings
By below with reference to description of the accompanying drawing to the embodiment of the present invention, above-mentioned and other purpose of the invention, feature and
Advantage is apparent, in the accompanying drawings：
Fig. 1 is the structural representation of first wife's weight of the embodiment of the present invention.
Fig. 2 is the structural representation of the hanger of the embodiment of the present invention.
Fig. 3 is the front view of the secondary counterweight of the embodiment of the present invention.
Fig. 4 is Fig. 3 top view.
Fig. 5 is the structural representation that first wife's weight of the embodiment of the present invention is bound up with secondary counterweight.
Fig. 6 is the structural representation of the joint cover of the embodiment of the present invention.
Fig. 7 is that the roller side of the embodiment of the present invention sets threading hole schematic diagram.
Embodiment
Below based on embodiment, present invention is described, but what deserves to be explained is, the present invention is not limited to these realities
Apply example.Below to the present invention detailed description in, it is detailed to describe some specific detail sections.However, for not detailed
The part described to the greatest extent, those skilled in the art can also understand the present invention completely.
In addition, it should be understood by one skilled in the art that the accompanying drawing provided simply to illustrate that the purpose of the present invention,
Feature and advantage, accompanying drawing are not to be actually drawn to scale.
Meanwhile unless the context clearly requires otherwise, the otherwise " comprising " in entire disclosure and claims, "comprising" etc.
Similar word should be construed to the implication included rather than exclusive or exhaustive implication；That is, it is " including but not limited to "
Implication.
According to the characteristics of pylon twin-well oil-pumping machine, if unilateral well breaks down, or in the case of unilateral well Produced Liquid oil-free, it is
Loss is reduced as far as possible, and twin-well is recovered the oil and is converted to single well production, it is necessary to increase secondary counterweight on the basis of first wife's weight, the secondary counterweight
The load being bound up again with first wife when can balance the sucker rod lifting of single well production end；Need to release and stop taking out the traction of side
Steel wire rope is coupled with sucker rod；Need according to single well production requirement, the intensity and installation foundation of increase twin-well oil-pumping machine pylon
Resistance to capsizing.
Specifically, how above-mentioned requirements are implemented when further illustrating that twin-well oil recovery is converted to single well production with reference to accompanying drawing.
Fig. 1 is first wife's weight structure schematic diagram.In Fig. 1：The side that first wife weighs 1 is symmetrically welded first wife's weight reinforcing plate 11, often
A pair of first wife's weight hangers 12 are welded vertically in the centre position of one first wife's weight reinforcing plate 11.
Fig. 2 is the structural representation of hanger.In fig. 2, hanger is provided with connecting hole.
Fig. 3 and Fig. 4 is the structural representation of secondary counterweight.In Fig. 3, Fig. 4：It is equally right that the side of secondary counterweight 4 with first wife weighs 1
Claim to weld secondary counterweight reinforcing plate 42, and a pair of secondary counterweight hangers are welded vertically in the centre position of each secondary counterweight reinforcing plate 42
41。
Fig. 5 is the structural representation that first wife's weight is bound up with secondary counterweight.In Figure 5, the secondary shape of counterweight 4 and outer diameter ruler
Very little to weigh 1 unanimously with first wife, when secondary counterweight 4 and first wife are weighed into about 1 overlapping, a pair of secondary counterweight hangers 41 correspond to a pair of first wife's weights
Hanger 12, weighed in secondary counterweight 4 and first wife and insert joint cover 2 after 1 overlapping between each group of hanger forming, joint cover 2 and this
It is fixedly connected between group hanger by connecting pin and locking nut sub-assembly 3.
Fig. 6 is the structural representation of joint cover.In figure 6, joint cover 2 is provided with two circular holes, the two circular holes difference
It is corresponding with the connecting hole on first wife's weight hanger 12 and secondary counterweight hanger 41, then will by connecting pin and locking nut sub-assembly 3
First wife weigh 1 and the fixed connection of secondary counterweight 4 together.
First wife weigh 1 be bound up with secondary counterweight 4 after, be conventionally fixed on and do not stop to take out on the oil pumper of side, match somebody with somebody
It is opposite with single well production end sucker rod traffic direction to re-run direction.
Fig. 7 is that roller side sets threading hole schematic diagram.In the figure 7, several threading holes 5 are set in roller side, torn open
It is wrapped in except stopping taking out to pack up steel wire rope after being coupled of the haulage cable of side and sucker rod on roller, and with through threading hole
5 iron wire bundled fixed is on roller.Ensure to stop the normal operation that the steel wire rope for taking out side does not interfere with opposite side.
As for the intensity of increase twin-well oil-pumping machine pylon, can be realized by increasing the model of shaped steel；Increase installation base
The ability of the antidumping of plinth, it can be realized by the method for the appearance and size for increasing underlying group portion.
Specifically, the operating procedure that twin-well oil recovery is converted to single well production is described in detail：
1）First wife is weighed into extreme lower position when normal operation is fallen under 1, slinging first wife using crane weighs 1, make counterweight armored rope with
First wife weighs 1 and is in relaxed state, and removes first wife and weigh 1 and be coupled with counterweight armored rope.
2）First wife is reset down, fallen in secondary counterweight, it is with gusset piece 2, connecting pin and locking nut sub-assembly 3 that first wife is heavy
1 links into an integrated entity with secondary counterweight 4, packs up crane.
3）Start twin-well pumping unit, when making the polished rod eye on the sucker rod of needs stopping oil pumping one end being placed in minimum point
Shut down, remove haulage cable and polished rod eye（Connect haulage cable and sucker rod）Connection.Secondary starting device, by steel wire rope
Automatic winding passes through the threading hole 2 of roller side setting with iron wire, steel wire rope is fixed on roller on roller.
4）After judging counterweight rope suspended counterweight, weight counterbalance operation direction should be with single well production end sucker rod traffic direction phase
Instead, otherwise, winding direction of the counterweight armored rope on roller will be changed.
5）Start twin-well pumping unit, during high point position when making the sucker rod of single well production one end run to normal work
Shut down, secondary counterweight and first wife's weight connecting piece are sling using crane, counterweight rope is coupled again with first wife.
6）Operation more than, complete the operation for the conversion that twin-well recovers the oil to single well production.
, it is necessary to be converted into twin-well oil recovery, its operating process and aforesaid operations process after single well production after a while
Conversely：It is specific as follows：
The first step：Former and deputy counterweight is separated, it is only necessary to hang first wife's weight.
Second step：Opening is wrapped in haulage cable on roller, and steel wire rope and the polished rod eye for stopping taking out on the sucker rod of side are joined
Knot.
Embodiment described above only expresses embodiments of the present invention, and its description is more specific and detailed, but can not
Therefore it is interpreted as the limitation to the scope of the claims of the present invention.It should be pointed out that to those skilled in the art,
On the premise of not departing from present inventive concept, some deformations, equal replacement can also be made, improved etc., these belong to the present invention
Protection domain.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (5)
- A kind of method for being converted to single well production 1. twin-well recovers the oil, it is characterised in that：Increase secondary counterweight on the basis of first wife's weight, should Secondary counterweight is bound up for balancing load when single well production end sucker rod is lifted again with first wife；Releasing stops taking out leading for side Draw being coupled for steel wire rope and sucker rod；Required according to single well production, increase the intensity and installation foundation of twin-well oil-pumping machine pylon Resistance to capsizing.
- The method for being converted to single well production 2. twin-well according to claim 1 recovers the oil, it is characterised in that：The secondary counterweight shape Shape and outside dimension are consistent with first wife's weight.
- The method for being converted to single well production 3. twin-well according to claim 1 recovers the oil, it is characterised in that：The secondary counterweight with The method that first wife is coupled again is：Reinforcing plate, the centre of each reinforcing plate are respectively symmetrically welded in the side of secondary counterweight and first wife's weight A pair of hangers are welded in position vertically, and when secondary counterweight overlaps up and down with first wife's weight, every a pair of hangers of secondary counterweight are heavy corresponding to first wife On a pair of hangers, insert joint cover between each group of hanger formed after the conjunction overlapping with first wife of secondary counterweight, joint cover with it is former A pair of hangers of counterweight and a pair of hangers of secondary counterweight are fixedly connected by connecting pin and locking nut sub-assembly respectively.
- The method for being converted to single well production 4. twin-well according to claim 1 recovers the oil, it is characterised in that：Secondary counterweight and first wife It is bound up again for balancing the load during sucker rod lifting of single well production end, specific balance method is hanged on counterweight rope After hanging secondary counterweight and first wife weight, weight counterbalance operation direction or with single well production end sucker rod traffic direction on the contrary, or changing counterweight steel Winding direction of the cord on roller.
- The method for being converted to single well production 5. twin-well according to claim 1 recovers the oil, it is characterised in that：Releasing stops taking out side Haulage cable and the connecting method of sucker rod be：Several threading holes are set in roller side, and dismounting stops taking out leading for side Draw to pack up steel wire rope after being coupled of steel wire rope and sucker rod and be wrapped on roller, and with the iron wire bundled fixed through threading hole On roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710903758.XA CN107558960A (en) | 2017-09-29 | 2017-09-29 | The method that twin-well oil recovery is converted to single well production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710903758.XA CN107558960A (en) | 2017-09-29 | 2017-09-29 | The method that twin-well oil recovery is converted to single well production |
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| CN107558960A true CN107558960A (en) | 2018-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710903758.XA Pending CN107558960A (en) | 2017-09-29 | 2017-09-29 | The method that twin-well oil recovery is converted to single well production |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113153225A (en) * | 2021-04-01 | 2021-07-23 | 中油智采(天津)科技有限公司 | Standby load conversion device without shutdown for single-machine multi-well oil pumping unit |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2558536A1 (en) * | 1984-01-19 | 1985-07-26 | Marine Petroleum Equipment | OSCILLATING SWING PUMP PUMP UNIT FOR IMMERED PUMP |
| US4719811A (en) * | 1985-02-25 | 1988-01-19 | Rota-Flex Corporation | Well pumping unit with counterweight |
| CN2041725U (en) * | 1988-09-12 | 1989-07-26 | 大庆职工大学 | Dual-well traveling block and falls beam-pumping unit |
| CN101748995A (en) * | 2009-12-29 | 2010-06-23 | 中国重型机械研究院有限公司 | Double-well swing arm pumping unit |
| CN102155191A (en) * | 2011-05-11 | 2011-08-17 | 陕西金福源投资有限公司 | Split twin-well pumping unit |
| CN203570918U (en) * | 2013-12-11 | 2014-04-30 | 中国石油天然气集团公司 | Split type adjustable weight |
-
2017
- 2017-09-29 CN CN201710903758.XA patent/CN107558960A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2558536A1 (en) * | 1984-01-19 | 1985-07-26 | Marine Petroleum Equipment | OSCILLATING SWING PUMP PUMP UNIT FOR IMMERED PUMP |
| US4719811A (en) * | 1985-02-25 | 1988-01-19 | Rota-Flex Corporation | Well pumping unit with counterweight |
| CN2041725U (en) * | 1988-09-12 | 1989-07-26 | 大庆职工大学 | Dual-well traveling block and falls beam-pumping unit |
| CN101748995A (en) * | 2009-12-29 | 2010-06-23 | 中国重型机械研究院有限公司 | Double-well swing arm pumping unit |
| CN102155191A (en) * | 2011-05-11 | 2011-08-17 | 陕西金福源投资有限公司 | Split twin-well pumping unit |
| CN203570918U (en) * | 2013-12-11 | 2014-04-30 | 中国石油天然气集团公司 | Split type adjustable weight |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113153225A (en) * | 2021-04-01 | 2021-07-23 | 中油智采(天津)科技有限公司 | Standby load conversion device without shutdown for single-machine multi-well oil pumping unit |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180109 |
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| RJ01 | Rejection of invention patent application after publication |