CN109555503A - A kind of hydraulic energy-accumulating pumping unit - Google Patents
A kind of hydraulic energy-accumulating pumping unit Download PDFInfo
- Publication number
- CN109555503A CN109555503A CN201811530560.2A CN201811530560A CN109555503A CN 109555503 A CN109555503 A CN 109555503A CN 201811530560 A CN201811530560 A CN 201811530560A CN 109555503 A CN109555503 A CN 109555503A
- Authority
- CN
- China
- Prior art keywords
- pumping unit
- hydraulic
- fluid cylinder
- accumulating
- derrick
- 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.)
- Pending
Links
- 238000005086 pumping Methods 0.000 title claims abstract description 64
- 239000012530 fluid Substances 0.000 claims abstract description 49
- 244000147058 Derris elliptica Species 0.000 claims abstract description 14
- 230000008676 import Effects 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 11
- 230000009471 action Effects 0.000 claims description 3
- 230000000994 depressogenic effect Effects 0.000 claims description 3
- 238000004064 recycling Methods 0.000 claims description 2
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 230000007423 decrease Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B43/129—Adaptations of down-hole pump systems powered by fluid supplied from outside the borehole
Abstract
The present invention relates to a kind of hydraulic energy-accumulating pumping units comprising fluid cylinder, pumping unit derrick, counter flange, wellhead oil tree, hydraulic hose and hydraulic station；Counter flange is bolted with wellhead oil tree, the basic point that the outside of counter flange is connected as pumping unit derrick；The lower end surface of pumping unit derrick is connect with counter flange, and upper surface is connect with fluid cylinder；Along the piston rod length direction setting of fluid cylinder, there are two first close to switching function class sensor with the frame of pumping unit derrick, and two first are located at the frame of piston rod both ends position close to switching function class sensor；The hydraulic fluid port of fluid cylinder is connected by hydraulic hose and the outlet of hydraulic control room, for providing power for fluid cylinder；Hydraulic control room is placed on well site, the power source as 1~25 mouthful of well pumping unit.The present invention can overcome the problems, such as beam pumping unit high energy consumption, further decrease the energy consumption of hydraulic class long stroke pumping unit.
Description
Technical field
The present invention relates to a kind of ground oil field equipments, especially with regard to a kind of hydraulic energy-accumulating pumping unit.
Background technique
On ground during oil extraction in oil field, a large amount of pumping unit is needed, wherein earliest has Centennial Development history
Beam pumping unit, which, which uses, recycles four-bar mechanism with symmetrical cycle four-bar mechanism or near symmetrical, has structure letter
The features such as single, reliable for operation, convenient operating maintenance, but when long stroke, the type counterbalance effect is poor, low efficiency, energy consumption is high, is not inconsistent
Close power conservation requirement.As many oil fields progress into the middle and later periods of exploitation, water content of oil well constantly rises, and keeps production cost continuous
Increase, common beam pumping unit cannot meet the needs, it is therefore desirable to develop various New Power Saving Pumping Units to meet and reduce
Cost, energy-saving requirement.Therefore, developing New Power Saving Pumping Unit is current urgent problem to be solved.
Summary of the invention
In view of the above-mentioned problems, beam type can be overcome to pump the object of the present invention is to provide a kind of hydraulic energy-accumulating pumping unit
The problem of machine high energy consumption, further decreases the energy consumption of hydraulic class long stroke pumping unit.
To achieve the above object, the present invention takes following technical scheme: a kind of hydraulic energy-accumulating pumping unit comprising fluid cylinder,
Pumping unit derrick, counter flange, wellhead oil tree, hydraulic hose and hydraulic station；The counter flange and the wellhead oil tree
It is bolted, the basic point that the outside of the counter flange is connected as the pumping unit derrick；The pumping unit derrick
Lower end surface is connect with the counter flange, and upper surface is connect with the fluid cylinder；Along the liquid with the frame of the pumping unit derrick
There are two first for the piston rod length direction setting of cylinder close to switching function class sensor, and two described first close to switching function
Class sensor is located at the frame of piston rod both ends position；The hydraulic fluid port of the fluid cylinder passes through described hydraulic soft
Pipe is connected with hydraulic control room outlet, for providing power for the fluid cylinder；The hydraulic control room is placed on well site, as 1~25
The power source of mouth well pumping unit.
Further, it is preferred that the counter flange is the outer square structure of inner circle.
Further, it is preferred that fixation is bolted in the interior circular portion of the counter flange and the wellhead oil tree；
Foreign side, periphery, part is provided with the basic point that slotted hole is connected as the pumping unit derrick, to adjust the fluid cylinder center and well head
The concentricity at center.
Further, it is preferred that the lower end surface of the pumping unit derrick is connected by the slotted hole of bolt and the counter flange
It connects.
Further, it is preferred that the upper surface of the pumping unit derrick is provided with the fluid cylinder, is set by plumb line or centering
It is standby, finely tune the concentricity between the fluid cylinder and the wellhead oil tree.
Further, it is preferred that the piston-rod end of the fluid cylinder is equipped with second close to switching function class sensor, with institute
Two described first stated on the fuselage of pumping unit derrick form closed-loop control close to switching function class sensor, act on described
The solenoid valve in commutation valve group in hydraulic control room realizes the commutation of the fluid cylinder, completes Pumping action.
Further, it is preferred that adjust the close switch of two described first be mounted on the fuselage of the pumping unit derrick
Vertical range between function class sensor is poor, then is able to achieve the adjusting to the fluid cylinder stroke.
Further, it is preferred that the hydraulic control room includes pump group, commutation valve group, accumulator and Ding Bi pressurized cylinder；The machine
The high pressure oil of pump group output is transmitted to the commutation valve group through pipeline all the way, and another way is transmitted to through pipeline described compares pressurized cylinder surely
Oily port；The fixed gas port than pressurized cylinder is connect with the accumulator.
Further, it is preferred that described to determine than pressurized cylinder to be double cavity structure.
Further, it is preferred that it is described it is fixed than pressurized cylinder include the first import/export, the second import/export, the gas port and
The oil port；When mentioning on sucker rod, the high pressure oil stored in the accumulator is by the gas port, the second import/export pair
Oil liquid is pressurized, and then oil liquid is depressed into the fluid cylinder through the oily port, completes the upper of sucker rod together with the pump group
It mentions；When sucker rod is transferred, function of the oil liquid mouth by the commutation valve group in fluid cylinder rod chamber oil, which flows into, described determines ratio
First import/export of pressurized cylinder, oily port, compress the compressed gas in the accumulator, realize recycling gravitional force.
The invention adopts the above technical scheme, which has the following advantages: the present invention is matched by the reciprocating motion of fluid cylinder
Class approach switch sensor is closed to control the put-on and delegated stroke of sucker rod, the valve group that commutates is equipped in hydraulic control room, compares pressurized cylinder surely
To recycle generated position energy when sucker rod is transferred to greatest extent with accumulator group, realizes the mesh for reducing pumping unit installed power
, and then it is energy-saving.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is hydraulic control room arrangement schematic diagram of the invention；
Fig. 3 is of the invention calmly than pressurized cylinder structural schematic diagram.
Specific embodiment
In the description of the present invention, it is to be understood that, the orientation or position of the instructions such as term " on ", "lower" "inner", "outside"
Setting relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, rather than
The device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot
It is interpreted as limitation of the present invention.In addition, term " first ", " second " are used for description purposes only, and should not be understood as instruction or
Imply relative importance.The present invention is described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figure 1, the present invention provides a kind of hydraulic energy-accumulating pumping unit, to generate when the absorbable decentralization using sucker rod
Position can a kind of energy-conserving hydraulic workover rig, be long stroke hydraulic pumping unit.The present invention includes fluid cylinder 4, pumping unit derrick 3, mistake
Cross flange 1, wellhead oil tree 2, hydraulic hose 5 and hydraulic station 6.Counter flange 1 is bolted with wellhead oil tree 2, mistake
Cross the basic point that the outside of flange 1 is connected as pumping unit derrick 3.3 lower end surface of pumping unit derrick is connect with counter flange 1, upper end
Face is connect with fluid cylinder 4；Piston rod length direction setting with the frame of pumping unit derrick 3 along fluid cylinder 4 is approached there are two first opens
Function class sensor 31,32 is closed, two first are located at piston rod both ends position close to switching function class sensor 31,32
Frame with.The hydraulic fluid port of fluid cylinder 4 is connected by hydraulic hose 5 and the outlet of hydraulic control room 6, for providing power for fluid cylinder 4；Hydraulic control room
6 are placed on well site, the power source as 1~25 mouthful of well pumping unit.
In above-described embodiment, counter flange 1 is the outer square structure of inner circle, and interior circular portion and wellhead oil tree 2 are connected by bolt
Connect fixation；Foreign side, periphery, part is provided with the basic point that slotted hole is connected as pumping unit derrick 3, facilitate adjustment 4 center of fluid cylinder with
The concentricity at well head center.
In the various embodiments described above, the lower end surface of pumping unit derrick 3 is connect by bolt with the slotted hole of counter flange 1, is taken out
The upper surface of oil machine derrick 3 is provided with fluid cylinder 4, by plumb line or aligning equipment, finely tunes between fluid cylinder 4 and wellhead oil tree 2
Concentricity, guarantee between the two concentric, avoid the eccentric wear of sucker rod and piston rod.
In the various embodiments described above, the piston-rod end of fluid cylinder 4 is equipped with second close to switching function class sensor 41, with pumping
Two first on the fuselage of oil machine derrick 3 form closed-loop control close to switching function class sensor 31,32, act on hydraulic control room
The solenoid valve in commutation valve group 62 in 6 realizes the commutation of fluid cylinder 4, completes Pumping action.Wherein, it adjusts and is mounted on fuselage
Two first, i.e., the strokes of adjustable fluid cylinder 4 poor close to the vertical range between switching function class sensor 31,32, in turn
Control the stroke of pumping unit of the present invention.
In the various embodiments described above, the rod chamber hydraulic fluid port of fluid cylinder 4 is connect by hydraulic hose 5 with the oil outlet in hydraulic control room 6.
In the various embodiments described above, as shown in Figure 2 and Figure 3, hydraulic control room 6 includes pump group 61, commutation valve group 62, accumulator 63
With fixed than pressurized cylinder 64.The high pressure oil that pump group 61 exports is transmitted to commutation valve group 62 through pipeline all the way, and another way is passed through pipeline
Transport to the fixed oily port D than pressurized cylinder 64；The fixed gas port A than pressurized cylinder 64 is connect with accumulator 63.
In a preferred embodiment, determine than pressurized cylinder 64 to be double cavity structure comprising gas port A, the first import/export
B, the second import/export C and oil port D.When mentioning on sucker rod, the high pressure oil stored in accumulator 63 is by fixed than pressurized cylinder 64
Gas port A, the second import/export C are pressurized oil liquid, and then oil liquid is depressed into fluid cylinder 4 through oily port D, together with pump group 61
Complete above mentioning for sucker rod；Function flow of the oil liquid mouth by commutation valve group 62 when sucker rod decentralization, in fluid cylinder 4 rod chamber oil
Enter fixed the first import/export B, oil port D than pressurized cylinder 64, the compressed gas in accumulator 63 can be compressed, be reached back
Receive the purpose of gravitional force.
The various embodiments described above are merely to illustrate the present invention, and structure and size, setting position and the shape of each component are all can be with
It is varied, based on the technical solution of the present invention, the improvement and wait that all principles according to the present invention carry out individual part
With transformation, should not exclude except protection scope of the present invention.
Claims (10)
1. a kind of hydraulic energy-accumulating pumping unit, it is characterised in that: including fluid cylinder, pumping unit derrick, counter flange, wellhead oil tree,
Hydraulic hose and hydraulic station；The counter flange is bolted with the wellhead oil tree, the outside of the counter flange
Basic point as pumping unit derrick connection；The lower end surface of the pumping unit derrick is connect with the counter flange, upper surface
It is connect with the fluid cylinder；Along the piston rod length direction setting of the fluid cylinder, there are two first with the frame of the pumping unit derrick
Close to switching function class sensor, two described first are located at the piston rod both ends close to switching function class sensor
With the frame of position；The hydraulic fluid port of the fluid cylinder is connected by the hydraulic hose and hydraulic control room outlet, is used for as institute
It states fluid cylinder and power is provided；The hydraulic control room is placed on well site, the power source as 1~25 mouthful of well pumping unit.
2. a kind of hydraulic energy-accumulating pumping unit as described in claim 1, it is characterised in that: the counter flange is inner circle foreign side knot
Structure.
3. a kind of hydraulic energy-accumulating pumping unit as claimed in claim 2, it is characterised in that: the interior circular portion of the counter flange with
Fixation is bolted in the wellhead oil tree；Foreign side, periphery, part is provided with slotted hole and connects as the pumping unit derrick
Basic point, to adjust the concentricity at the fluid cylinder center and well head center.
4. a kind of hydraulic energy-accumulating pumping unit as claimed in claim 3, it is characterised in that: the lower end surface of the pumping unit derrick is logical
Bolt is crossed to connect with the slotted hole of the counter flange.
5. a kind of hydraulic energy-accumulating pumping unit as claimed in claim 1 or 3, it is characterised in that: the upper end of the pumping unit derrick
Face is provided with the fluid cylinder, by plumb line or aligning equipment, finely tunes concentric between the fluid cylinder and the wellhead oil tree
Degree.
6. a kind of hydraulic energy-accumulating pumping unit as described in claim 1, it is characterised in that: the piston-rod end of the fluid cylinder is installed
Have second two described first close on switching function class sensor, with the fuselage of the pumping unit derrick close to switching function
Class sensor forms closed-loop control, acts on the solenoid valve in the commutation valve group in the hydraulic control room, realizes changing for the fluid cylinder
To completion Pumping action.
7. a kind of hydraulic energy-accumulating pumping unit as described in claim 1, it is characterised in that: adjusting is mounted on the pumping unit derrick
Fuselage on two described first it is poor close to the vertical range between switching function class sensor, then be able to achieve to the fluid cylinder
The adjusting of stroke.
8. a kind of hydraulic energy-accumulating pumping unit as described in claim 1, it is characterised in that: the hydraulic control room includes pump group, changes
To valve group, accumulator and Ding Bi pressurized cylinder；The high pressure oil of the pump group output is transmitted to the commutation valve group through pipeline all the way,
Another way is transmitted to the fixed oily port than pressurized cylinder through pipeline；It is described fixed than the gas port of pressurized cylinder and accumulator company
It connects.
9. a kind of hydraulic energy-accumulating pumping unit as claimed in claim 8, it is characterised in that: described to determine than pressurized cylinder to be two-chamber knot
Structure.
10. a kind of hydraulic energy-accumulating pumping unit as claimed in claim 9, it is characterised in that: described to determine than pressurized cylinder to include first
Import/export, the second import/export, the gas port and the oily port；When being mentioned on sucker rod, the height that is stored in the accumulator
Pressure oil is pressurized oil liquid by the gas port, the second import/export, and then oil liquid is depressed into the liquid through the oily port
Cylinder completes above mentioning for sucker rod together with the pump group；Oil liquid mouth warp when sucker rod is transferred, in the fluid cylinder rod chamber oil
The function of crossing the commutation valve group flows into fixed first import/export than pressurized cylinder, oil port, to the pressure in the accumulator
Contracting gas is compressed, and realizes recycling gravitional force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811530560.2A CN109555503A (en) | 2018-12-14 | 2018-12-14 | A kind of hydraulic energy-accumulating pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811530560.2A CN109555503A (en) | 2018-12-14 | 2018-12-14 | A kind of hydraulic energy-accumulating pumping unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109555503A true CN109555503A (en) | 2019-04-02 |
Family
ID=65869939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811530560.2A Pending CN109555503A (en) | 2018-12-14 | 2018-12-14 | A kind of hydraulic energy-accumulating pumping unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109555503A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1450247A (en) * | 2003-02-17 | 2003-10-22 | 北京迪威尔石油天然气技术开发有限公司 | Rod free hydraulic oil pumping system |
| CN103075133A (en) * | 2013-01-05 | 2013-05-01 | 无锡市科优液压设备制造有限公司 | Flow compensation type hydraulic pumping unit |
| CN103174687A (en) * | 2013-03-25 | 2013-06-26 | 王文雯 | Pressurized and energy storing type energy-saving hydraulic pumping unit |
| CN203097846U (en) * | 2013-03-07 | 2013-07-31 | 博世力士乐（常州）有限公司 | Power unit of hydraulic pumping unit and hydraulic pumping unit provided with same |
| CN104314527A (en) * | 2014-10-29 | 2015-01-28 | 胜利油田高原石油装备有限责任公司 | Hydraulic pumping unit with power-assisted cylinder and oil production method of hydraulic pumping unit |
| CN205558873U (en) * | 2015-12-22 | 2016-09-07 | 上海兰石重工机械有限公司 | Numerical control hydraulic pumping unit |
| CN209687471U (en) * | 2018-12-14 | 2019-11-26 | 高继宗 | A kind of hydraulic energy-accumulating pumping unit |
-
2018
- 2018-12-14 CN CN201811530560.2A patent/CN109555503A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1450247A (en) * | 2003-02-17 | 2003-10-22 | 北京迪威尔石油天然气技术开发有限公司 | Rod free hydraulic oil pumping system |
| CN103075133A (en) * | 2013-01-05 | 2013-05-01 | 无锡市科优液压设备制造有限公司 | Flow compensation type hydraulic pumping unit |
| CN203097846U (en) * | 2013-03-07 | 2013-07-31 | 博世力士乐（常州）有限公司 | Power unit of hydraulic pumping unit and hydraulic pumping unit provided with same |
| CN103174687A (en) * | 2013-03-25 | 2013-06-26 | 王文雯 | Pressurized and energy storing type energy-saving hydraulic pumping unit |
| CN104314527A (en) * | 2014-10-29 | 2015-01-28 | 胜利油田高原石油装备有限责任公司 | Hydraulic pumping unit with power-assisted cylinder and oil production method of hydraulic pumping unit |
| CN205558873U (en) * | 2015-12-22 | 2016-09-07 | 上海兰石重工机械有限公司 | Numerical control hydraulic pumping unit |
| CN209687471U (en) * | 2018-12-14 | 2019-11-26 | 高继宗 | A kind of hydraulic energy-accumulating pumping unit |
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