CN105715234A - Self-blowing mechanical-production integrated pipe column - Google Patents
Self-blowing mechanical-production integrated pipe column Download PDFInfo
- Publication number
- CN105715234A CN105715234A CN201610188940.7A CN201610188940A CN105715234A CN 105715234 A CN105715234 A CN 105715234A CN 201610188940 A CN201610188940 A CN 201610188940A CN 105715234 A CN105715234 A CN 105715234A
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- Prior art keywords
- insert pump
- gas injection
- oil
- injection valve
- water filling
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- 238000004519 manufacturing process Methods 0.000 title abstract description 22
- 238000007664 blowing Methods 0.000 title description 10
- 238000002347 injection Methods 0.000 claims abstract description 95
- 239000007924 injection Substances 0.000 claims abstract description 95
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 80
- 239000003129 oil well Substances 0.000 claims abstract description 28
- 238000005507 spraying Methods 0.000 claims description 31
- 238000011084 recovery Methods 0.000 claims description 21
- 230000000694 effects Effects 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 5
- 238000000605 extraction Methods 0.000 abstract 3
- 230000008569 process Effects 0.000 description 4
- 239000000243 solution Substances 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/06—Valve arrangements for boreholes or wells in wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
- E21B43/121—Lifting well fluids
- E21B43/122—Gas lift
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
- E21B43/121—Lifting well fluids
- E21B43/126—Adaptations of down-hole pump systems powered by drives outside the borehole, e.g. by a rotary or oscillating drive
- E21B43/127—Adaptations of walking-beam pump systems
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/166—Injecting a gaseous medium; Injecting a gaseous medium and a liquid medium
- E21B43/168—Injecting a gaseous medium
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/20—Displacing by water
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
- Earth Drilling (AREA)
Abstract
The invention provides an integrated tubular column for self-injection mechanical production. The invention provides an integrated tubular column for self-injection mechanical production, which comprises: the device comprises a sucker rod, an oil pipe, a water and gas injection valve, a packer, a sleeve, a rod pump and a rod pump support joint; the sleeve is positioned in the oil well, the oil pipe is sleeved in the sleeve, the water injection and gas injection valve and the packer are both positioned in the oil pipe, the height of the water injection and gas injection valve in the oil pipe is higher than that of the packer, and the opening and closing state of the upper circulation hole of the water injection and gas injection valve is changed along with the pressure state of the water injection and gas injection valve; the sucker rod, the rod pump and the rod pump supporting joint are sequentially arranged in the oil pipe along the well mouth to the well bottom direction, the upper end of the rod pump is connected with the lower end of the sucker rod, the rod pump can be inserted into or separated from the rod pump supporting joint, and when the rod pump is inserted into the rod pump supporting joint, the self-injection mechanical-production integrated pipe column is in a mechanical oil production state. The invention realizes the self-injection oil extraction and the mechanical oil extraction by putting in the once self-injection mechanical-extraction integrated tubular column, reduces the operation procedures, improves the operation efficiency and reduces the production cost.
Description
Technical field
The present invention relates to petroleum industry oil-gas mining field, particularly relate to one and adopt integrated pipe column from spraying machine.
Background technology
At present, flow string is the flow string that petroleum industry oil and gas development is conventional, is that oil gas flow to the passage on ground from oil reservoir.
For carbonate reservoir, owing to flush stage is very short, blowing production capacity is limited, often after blowing terminates, will to carrying out water filling, gas injection maintenance stratum energy in oil well, also need to, by the mode of mechanical oil recovery, the oil gas in pit shaft is given rise to ground, to realize the abundant exploitation of oil reservoir in oil well simultaneously.
Flow string of the prior art is usually and is made up of the parts such as packer and oil pipe, when Oil/gas Well blowing terminates, annulus water injection, gas injection and mechanical oil recovery can not be made directly, operation have to be first passed through and change working string, just carrying out annulus water injection, gas injection, so that flow chart increases, working performance is relatively low, the labor intensity of operating personnel is also relatively big, also add production cost simultaneously.
Summary of the invention
The present invention provides a kind of and adopts integrated pipe column from spraying machine, in order to overcome flow string of the prior art, after oil well terminates blowing, it is impossible to be made directly annulus water injection gas injection, it is necessary to again transfer tubing string, causes flow chart to increase, the problem that working performance is relatively low.
Provided by the invention adopt integrated pipe column from spraying machine, including: sucker rod, oil pipe, water filling gas injection valve, packer, sleeve pipe, insert pump and insert pump supported joint；
Sleeve pipe is arranged in oil well, and oil pipe is set in sleeve pipe, and water filling gas injection valve is arranged in oil pipe, and packer is arranged in the annular space between sleeve pipe and oil pipe, and water filling gas injection valve height in oil pipe is higher than the height at packer place；
Sucker rod, insert pump and insert pump supported joint are successively set in oil pipe along well head to direction, shaft bottom, and sucker rod, insert pump and insert pump supported joint are respectively positioned on the top of water filling gas injection valve, insert pump upper end is connected with sucker rod lower end, during the change in location of sucker rod, insert pump inserts or departs from insert pump supported joint, when insert pump inserts insert pump supported joint, adopting integrated pipe column from spraying machine is mechanical oil recovery state；
Water filling gas injection valve is provided with the circulation port inside and outside connection oil pipe, and the open and-shut mode of circulation port changes with the pressure state of water filling gas injection valve.
Provided by the invention adopt integrated pipe column from spraying machine, including: sucker rod, oil pipe, water filling gas injection valve, packer, sleeve pipe, insert pump and insert pump supported joint；Sleeve pipe is arranged in oil well, and oil pipe is set in sleeve pipe, and water filling gas injection valve is arranged in oil pipe, and packer is arranged in the annular space between sleeve pipe and oil pipe, and water filling gas injection valve height in oil pipe is higher than the height at packer place；Sucker rod, insert pump and insert pump supported joint are successively set in oil pipe along well head to direction, shaft bottom, and sucker rod, insert pump and insert pump supported joint are respectively positioned on the top of water filling gas injection valve, insert pump upper end is connected with sucker rod lower end, during the change in location of sucker rod, insert pump inserts or departs from insert pump supported joint, when insert pump inserts insert pump supported joint, adopting integrated pipe column from spraying machine is mechanical oil recovery state；Water filling gas injection valve is provided with the circulation port inside and outside connection oil pipe, and the open and-shut mode of circulation port changes with the pressure state of water filling gas injection valve.The present invention by arranging water filling gas injection valve, insert pump and insert pump supported joint on oil pipe, make oil well after blowing terminates, can directly to water filling gas injection in annular space, the circulation port on water filling gas injection valve is made to open, carry out water filling gas injection in oil well, finally again insert pump is inserted in insert pump supported joint, carry out mechanical oil recovery, enter under making only to pass through to adopt integrated pipe column from spraying machine and achieve that oil flow production and mechanical oil recovery, thus decreasing flow chart, improve working performance, greatly reduce production cost.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
A kind of structural representation adopting integrated pipe column from spraying machine that Fig. 1 provides for the embodiment of the present invention one；
The another kind of structural representation adopting integrated pipe column from spraying machine that Fig. 2 provides for the embodiment of the present invention one；
The structural representation of the water filling gas injection valve adopting integrated pipe column from spraying machine that Fig. 3 provides for the embodiment of the present invention one.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
Embodiment one
A kind of structural representation adopting integrated pipe column from spraying machine that Fig. 1 provides for inventive embodiments one, the another kind of structural representation adopting integrated pipe column from spraying machine that Fig. 2 provides for the embodiment of the present invention one, as shown in Fig. 1～Fig. 2, what the present embodiment provided adopts integrated pipe column from spraying machine and includes: sucker rod 1, oil pipe 2, water filling gas injection valve 3, packer 4, sleeve pipe 5, insert pump 6 and insert pump supported joint 7；
Wherein, sleeve pipe 5 is arranged in oil well, and oil well generally is vertical shaft, is namely vertical direction from well head to shaft bottom, and sleeve pipe 5 is set in the inwall of oil well.Oil pipe 2 is set in sleeve pipe 5, and oil pipe 2 is positioned at sleeve pipe 5, is annular space, i.e. annular space between oil pipe 2 and sleeve pipe 5, and the pressure in this annular space is commonly referred to as annular pressure.Water filling gas injection valve 3 is arranged in oil pipe 5, namely, the two ends of water filling gas injection valve 3 connect with oil pipe 5, packer 4 is arranged in the annular space between sleeve pipe 5 and oil pipe 2, and packer 4 is when expansion sets, and packer 4 outer wall is close on sleeve pipe 5 inwall, the water filling gas injection valve 3 height in oil pipe 2 is higher than the height at packer 4 place, it is to say, in oil well, water filling gas injection valve 3 is positioned at the top of packer 4.
Concrete, water filling gas injection valve 3 is provided with the circulation port in the interior outside of connection oil pipe 2, namely this circulation port is used for connecting oil pipe 2 and annular space.The open and-shut mode of circulation port changes with the pressure state of water filling gas injection valve 3, when making to be in oil flow production and mechanical oil recovery when oil well, this circulation port is closed mode, when to gas injection in oil well or water filling, this circulation port can automatically open up when the pressure state of water filling gas injection valve 3 reaches setting value, realize note or gas water filling in oil reservoir, thus the pressure supplementing and improving in oil reservoir, to improve oil production rate.
Further, sucker rod 1, insert pump 6 and insert pump supported joint 7 are successively set in oil pipe 2 along well head to direction, shaft bottom, and sucker rod 1, insert pump 6 and insert pump supported joint 7 are respectively positioned on the top of water filling gas injection valve 3.Insert pump 6 upper end is connected with sucker rod 1 lower end, and during the change in location of sucker rod 1, insert pump 6 inserts or departs from insert pump supported joint 7.When being in flow production or annulus water injection gas injection section when oil well, insert pump 6 is departed from insert pump supported joint, and when oil well needs to carry out mechanical oil recovery, insert pump 6 is inserted in insert pump supported joint 7, thus the oil gas in pit shaft is lifted to ground by insert pump 6, carry out mechanical oil recovery.
What the present embodiment provided adopts integrated pipe column from spraying machine, transferred to oil well, each stage of oil flow production, annulus water injection gas injection and mechanical oil recovery is carried out at oil well, have only to the relative position changing the open and-shut mode of water filling gas injection valve 3 circulation port and insert pump 6 with insert pump supported joint 7, just can realize the oil recovery of oil well different phase, whole oil recovery process need not be changed tubing string, simplify operation sequence, improve working performance, also reduce the labor intensity of workman.
Further, as it is shown in figure 1, the present embodiment provide adopt integrated pipe column from spraying machine, also include: sucker rod hanger 8, sucker rod hanger 8 and sucker rod 1 upper end are detachably connected, sucker rod 1 and insert pump 6 to be suspended on above insert pump supported joint 7.Sucker rod hanger 8 can be connected for bolt with the connected mode of sucker rod 1 upper end or screwed connection etc., sucker rod hanger 8 is positioned at earth's surface, sucker rod hanger 8 is after being connected with sucker rod 1 upper end, making sucker rod 1 and insert pump 6 be suspended on the top of insert pump supported joint 7, insert pump 6 does not carry out Pumping action.Water filling gas injection section in annular space is terminated at oil well flowing phase and blowing, it is not required to insert pump 6 and is connected mechanical oil recovery with insert pump supported joint 7, so the two stage requires over sucker rod hanger 8 and is connected with oil pick-up tube 1 upper end, insert pump 6 is departed from insert pump supported joint 7, is suspended on the top of insert pump supported joint 7.
Further, as shown in Figure 2, when oil well can not blowing, when needing mechanical oil recovery, sucker rod hanger 8 is dismantled from sucker rod 1, and sucker rod 1 upper end is connected with polished rod 9 one end, the other end of polished rod 9 can be connected with oil production machine, the length of polished rod 9 is more than the length of sucker rod hanger 8, insert pump 6 is made to insert in insert pump supported joint 7, namely insert pump 6 sets in insert pump supported joint 7, for being tightly connected between insert pump 6 and insert pump supported joint 7, to limit insert pump 6 along oil pipe 2 axis direction play, so that insert pump 6 works, produce suction force upwards, the oil gas of reservoir is pumped to well head, reach the purpose of mechanical oil recovery.
Further, above-mentioned water filling gas injection valve 3 specifically also includes: shear pin 32, slip mandrel 33 and spring 34.
Wherein, slip mandrel 33 is slidably installed in water filling gas injection valve 3 outer wall, and spring 34 is set on slip mandrel 33；Circulation port includes the first circulation port 311 being arranged on water filling gas injection valve 3 outer wall and the second circulation port 312 being arranged on slip mandrel 33.Optionally, the quantity of the first circulation port 311 is equal with the quantity of the second circulation port 312, and the quantity of the first circulation port 311 and the second circulation port 312 is at least one.Being provided with the first pin-and-hole 321 on water filling gas injection valve 3 outer wall, slip mandrel 33 is provided with the second pin-and-hole 322, shear pin 32 is through the first pin-and-hole 321 and the second pin-and-hole 322, to be connected fixing with slip mandrel 33 for water filling gas injection valve 3 outer wall.
The process that water filling gas injection valve is opened is: when to water filling in annular space or gas injection, in annular space, pressure can be gradually increased, when annular pressure is more than the pressure in oil pipe 2, slip mandrel 33 can be subject to power upwards, when in the pressure injected in annular space with oil pipe 2, the pressure differential of pressure is more than the first preset value, shear pin 32 is just cut off, under the effect of annular pressure, slip mandrel 33 is pushed up, and compress spring 34, slip mandrel 33 is finally made to slide into the position that the second circulation port 312 is corresponding with the first circulation port 311, turn on the first circulation port 311 and the second circulation port 312, so that the circulation port of water filling gas injection valve 3 is opened.
When in pressure and oil pipe 2 in annular space, the pressure differential of pressure is less than the second preset value, slip mandrel 33, under the effect of spring 34 elastic force, moves down, and namely water filling gas injection valve 3 outer wall slides relatively, finally make the first circulation port 311 and the second circulation port 312 stagger, make circulation port close.Wherein, the first preset value is more than the second preset value.
This water filling gas injection valve 3 cannot be only used for water filling gas injection in annular space, it is also possible to for injecting acid solution in annular space, reservoir is carried out acidifying transformation, and the process that annular space injects acid solution is similar with annulus water injection gas injection, just repeats no more herein.
Further, what the present embodiment provided adopts integrated pipe column from spraying machine, also includes: tubing hanger 10, and oil pipe 2 is connected to well head place by tubing hanger 10, connects for oil pipe thread between oil pipe 2 and tubing hanger 10.
Preferably, sucker rod hanger 8 is positioned at well head place, and oil pick-up tube hanger 8 stretches out one end diameter of well head more than tubing hanger 10 external diameter, thus being suspended on above tubing hanger 10 by sucker rod hanger 8.
Further, what the present embodiment provided adopts integrated pipe column from spraying machine, also includes: ball seat 11；Ball seat 11 is positioned at oil pipe 2 near side, shaft bottom, and is connected with packer 4.Ball seat 11 acts primarily as the effect of Unidirectional flow-limiting, when ball seat 11 is opened, it may be achieved anti-flushing well operation, when ball seat 11 is closed, plays airtight effect.
The specifically used process of the oil flow production integrated pipe column that the present embodiment provides can be described as:
First being successively lowered in sleeve pipe 5 by ball seat 11, packer 4, water filling gas injection valve 3, insert pump supported joint 7, oil pipe 2, tubing hanger 10, the circulation port of now water filling gas injection valve 3 is closed mode.Set packer 3, packer 3 is made to be close on sleeve pipe 5 inwall, again insert pump 6, sucker rod 1 are entered in oil pipe down successively, by sucker rod hanger 8, sucker rod 1 is suspended on well head, now insert pump 6 departs from insert pump supported joint 7, and insert pump is departed from insert pump supported joint 10～20m by general reality.
At the initial stage of oil recovery, in reservoir, oil gas flow to well head by oil pipe 2, carries out oil flow production.When pressure reduction can not carry out oil flow production in reservoir, then starting water filling or gas injection in oil well annular space, to keep or to increase the pressure in reservoir, the detailed process of water filling gas injection is:
Water filling or injection gas in annular space, oil well annular pressure is gradually increasing, when annular pressure is more than the pressure in oil pipe 2, slip mandrel 33 in water filling gas injection valve 3 can be subject to power upwards, when in the pressure injected in annular space with oil pipe 2, the pressure differential of pressure is more than the first preset value, shear pin 32 is just cut off, under pressure slip mandrel 33 is pushed up, and compress spring 34, slip mandrel 33 is finally made to slide into the position that the second circulation port 312 is corresponding with the first circulation port 311, turn on the first circulation port 311 and the second circulation port 312, so that the circulation port of water filling gas injection valve 3 is opened, annular injection enters the most at last water or gas enter oil pipe by circulation port, it is injected into reservoir, reach to keep or increase the purpose of reservoir pressure, to keep oil well oil flow production.
When stopping after to annulus water injection gas injection, in annular space, pressure is gradually lowered, when in pressure and oil pipe 2 in annular space, the pressure differential of pressure is less than the second preset value, slip mandrel 33 is under the effect of spring 34 elastic force, moving down, namely water filling gas injection valve 3 outer wall slides relatively, finally makes the first circulation port 311 and the second circulation port 312 stagger, make circulation port close, namely stop water filling gas injection in reservoir.
When blowing terminates, when needing to carry out mechanical oil recovery, adopt integrated pipe column from spraying machine to trip out in oil well, it is only necessary to by the sucker rod hanger 8 in oil pipe 2 from dismounting sucker rod 1, and be connected with polished rod 9 sucker rod 1 upper end, and hang and well head, insert pump 6 is inserted in insert pump supported joint 7, makes insert pump 6 work, produce suction force upwards, oil gas in reservoir is pumped to well head, carries out mechanical oil recovery.
What the present embodiment provided adopts integrated pipe column from spraying machine, by arranging water filling gas injection valve on oil pipe, insert pump and insert pump supported joint, first insert pump is suspended on above insert pump supported joint, carry out oil flow production, oil well is after blowing terminates, can directly to water filling gas injection in annular space, the circulation port on water filling gas injection valve is made to open, carry out water filling gas injection in oil well, finally again insert pump is inserted in insert pump supported joint, carry out mechanical oil recovery, enter under making only to pass through to adopt integrated pipe column from spraying machine and achieve that oil flow production and mechanical oil recovery, thus decreasing flow chart, improve working performance, greatly reduce production cost.
Last it is noted that various embodiments above is only in order to illustrate technical scheme, it is not intended to limit；Although the present invention being described in detail with reference to foregoing embodiments, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or wherein some or all of technical characteristic is carried out equivalent replacement；And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (9)
1. adopt integrated pipe column from spraying machine for one kind, it is characterised in that including: sucker rod, oil pipe, water filling gas injection valve, packer, sleeve pipe, insert pump and insert pump supported joint；
Described sleeve pipe is arranged in oil well, described oil pipe is set in described sleeve pipe, described water filling gas injection valve is arranged in described oil pipe, and described packer is arranged in the annular space between described sleeve pipe and described oil pipe, and described water filling gas injection valve height in described oil pipe is higher than the height at described packer place；
Described sucker rod, described insert pump and described insert pump supported joint are successively set in described oil pipe along well head to direction, shaft bottom, and described sucker rod, described insert pump and described insert pump supported joint are respectively positioned on the top of described water filling gas injection valve, described insert pump upper end is connected with described sucker rod lower end, during the change in location of described sucker rod, described insert pump inserts or departs from described insert pump supported joint, when described insert pump inserts described insert pump supported joint, described to adopt integrated pipe column from spraying machine be mechanical oil recovery state；
Described water filling gas injection valve is provided with the circulation port connected inside and outside described oil pipe, and the open and-shut mode of described circulation port changes with the pressure state of described water filling gas injection valve.
2. according to claim 1 adopt integrated pipe column from spraying machine, it is characterized in that, also include sucker rod hanger, described sucker rod hanger and described sucker rod upper end detachably connected, described sucker rod and described insert pump to be suspended on above described insert pump supported joint.
3. according to claim 1 adopt integrated pipe column from spraying machine, it is characterised in that also include polished rod, described polished rod and described sucker rod upper end detachably connected, to be inserted in described insert pump supported joint by described insert pump.
4. described adopt integrated pipe column from spraying machine according to claim 1-3 is arbitrary, it is characterised in that described water filling gas injection valve also includes: shear pin, slip mandrel and spring；
Described slip mandrel is slidably installed in described water filling gas injection valve outer wall, and described spring housing is located on described slip mandrel；
Described circulation port includes the first circulation port being arranged on described water filling gas injection valve outer wall and the second circulation port being arranged on described slip mandrel；Being provided with the first pin-and-hole on described water filling gas injection valve outer wall, described slip mandrel is provided with the second pin-and-hole, described shear pin is through described first pin-and-hole and described second pin-and-hole, to be connected fixing to described water filling gas injection valve outer wall and described slip mandrel；
When the pressure differential of the pressure injected in described annular space and described oil overpressure is more than the first preset value, described shear pin is cut off, so that described slip mandrel slides into the position that described second circulation port is relative with described first circulation port；
When in described annular space, the pressure differential of pressure and described oil overpressure is less than the second preset value, described slip mandrel relatively described water filling gas injection valve outer wall under the effect of described spring force slides, so that described first circulation port and described second circulation port stagger；
Described first preset value is more than described second preset value.
5. described adopt integrated pipe column from spraying machine according to claim 1-3 is arbitrary, it is characterised in that also include: tubing hanger；
Described oil pipe is connected to described well head place by described tubing hanger.
6. according to claim 2 adopt integrated pipe column from spraying machine, it is characterised in that described sucker rod hanger is positioned at described well head place, and described oil pick-up tube hanger stretches out one end diameter of well head more than described tubing hanger external diameter.
7. described adopt integrated pipe column from spraying machine according to claim 1-3 is arbitrary, it is characterised in that during described packer setting, described internal surface of sleeve pipe is close to by described packer.
8. described adopt integrated pipe column from spraying machine according to claim 1-3 is arbitrary, it is characterised in that also include: ball seat；
Described ball seat is positioned at described oil pipe near side, shaft bottom, and is connected with described packer.
9. described adopt integrated pipe column from spraying machine according to claim 1-3 is arbitrary, it is characterized in that, when described insert pump inserts described insert pump supported joint, for being tightly connected between described insert pump and described insert pump supported joint, in order to limit the described insert pump play along described oil pipe axis direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610188940.7A CN105715234B (en) | 2016-03-29 | 2016-03-29 | Self-blowing mechanical-production integrated pipe column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610188940.7A CN105715234B (en) | 2016-03-29 | 2016-03-29 | Self-blowing mechanical-production integrated pipe column |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105715234A true CN105715234A (en) | 2016-06-29 |
| CN105715234B CN105715234B (en) | 2018-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610188940.7A Active CN105715234B (en) | 2016-03-29 | 2016-03-29 | Self-blowing mechanical-production integrated pipe column |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112252999A (en) * | 2020-10-20 | 2021-01-22 | 中国石油大学(华东) | Self-injection machine mining working condition integrated intelligent sand prevention pipe column and well completion method |
| CN113931600A (en) * | 2020-07-14 | 2022-01-14 | 中国石油化工股份有限公司 | Gas injection pipe column and method for reducing ground injection pressure |
| CN114109270A (en) * | 2020-08-31 | 2022-03-01 | 中国石油天然气股份有限公司 | Perforating steam injection production primary tubular column and perforating steam injection production primary oil extraction method |
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| CN114482948A (en) * | 2020-10-27 | 2022-05-13 | 中国石油天然气股份有限公司 | Injection increasing system of water injection well |
| CN114482948B (en) * | 2020-10-27 | 2023-09-26 | 中国石油天然气股份有限公司 | Injection increasing system of water injection well |
| CN116220627A (en) * | 2021-12-03 | 2023-06-06 | 中国石油天然气股份有限公司 | Perforation fracturing oil pumping unit well completion integrated tubular column and method |
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