CN208330228U - A kind of gravitation energy recycling formula well repairing device - Google Patents
A kind of gravitation energy recycling formula well repairing device Download PDFInfo
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- CN208330228U CN208330228U CN201820796451.4U CN201820796451U CN208330228U CN 208330228 U CN208330228 U CN 208330228U CN 201820796451 U CN201820796451 U CN 201820796451U CN 208330228 U CN208330228 U CN 208330228U
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- power mechanism
- accumulating
- hydraulic cylinder
- rodless cavity
- movable pulley
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Abstract
The utility model belongs to field of petroleum machinery, and in particular to a kind of gravitation energy recycling formula well repairing device.It includes lifting rope, elevator, hydraulic cylinder, movable pulley, accumulating mechanism, power mechanism, repairing mechanism that gravitation energy, which recycles formula well repairing device, lifting rope tail end installation elevator, the piston rod of hydraulic cylinder fixes on the ground, and cylinder body can drive movable pulley to move upwards, and can also move downward under movable pulley pressure；The rod chamber of hydraulic cylinder is connect with repairing mechanism by the first branch (B-B'), the rodless cavity of hydraulic cylinder is connect with accumulating mechanism, power mechanism by second branch (A-A'), there is three-position four-way valve between rodless cavity and accumulating mechanism, power mechanism；When downlink, power mechanism, hydraulic cylinder can be oil-filled to accumulating mechanism；When uplink, accumulating mechanism can supplement power mechanism energy.The utility model is reliable and stable, converts pressure energy for gravitional force, saves the energy, avoids the situation of traditional approach brake abrasion, fever failure.
Description
Technical field
The utility model belongs to field of petroleum machinery, and in particular to a kind of gravitation energy recycling formula well repairing device.
Background technique
At present during oil field well workover with pressure, current oil well is easily more than two, three kms, using box cupling by 10
The one section of oil pipe or sucker rod of rice or so link together.In well workover, need by oil pipe or sucker rod using elevator a section
It takes out, after maintenance, then a section is sent into oil well.At present in industry, the China such as Publication No. CN102704868B is practical
Disclosed by novel granted patent " split type long-range control Operating Pressure workover rig ", oil well is promoted and be sent into using winch, is twisted
Vehicle includes roller and arrestment mechanism, and arrestment mechanism uses brake disc.
By summarizing well workover process, it is found that the process of down tube is played, be exactly a reciprocating machine movement, when playing pipe,
Workover rig overcomes gravitional force to do positive work；When down tube, the transmission clutch of workover rig is separated, and allows oil pipe or sucker rod in self weight
Act on lower downlink.In order to prevent oil pipe, sucker rod rapidly falls leads to safety accident, brake disc is generallyd use, so that declining
Cheng Pinghuan.And the gravitional force during decline can only be become frictional dissipation by brake disc, meanwhile, fever causes asking for failure
Topic puzzlement industry.Therefore the well workover process carried out to obtain petroleum-based energy, energy loss are surprising.How to realize it is energy saving and
Reliably mode well workover becomes petroleum industry urgent problem to be solved.
Utility model content
For above-mentioned deficiency present in the prior art, the technical problem to be solved by the present invention is to provide a kind of gravity
Formula well repairing device can be recycled, gravitional force when by oil pipe or sucker rod downlink is converted into the pressure energy of liquid, and passes through storage
Energy mechanism stores；In oil pipe or sucker rod uplink, the pressure energy that accumulating mechanism is stored releases again, increases well workover
The power of machine.
The utility model adopts the following technical solution: a kind of gravitation energy recycles formula well repairing device, including wirerope, hangs
Card, hydraulic cylinder, movable pulley, accumulating mechanism, power mechanism, repairing mechanism,
Wirerope dead line head is fixed on the chassis of well repairing device, and live line head passes through movable pulley and connects elevator, and elevator is placed
Above well head, and it can be moved up and down in well head central axes；
Movable pulley have it is multiple, movable pulley by terminal pad and hydraulic cylinder it is hinged；
Terminal pad is fixed on the cylinder body upper surface of hydraulic cylinder, and the piston rod of hydraulic cylinder is fixed on the chassis of well repairing device,
Cylinder body can drive movable pulley to move upwards, and can also move downward under movable pulley pressure；
The rod chamber of hydraulic cylinder is connect with repairing mechanism by second branch B-B', the rodless cavity and energy accumulating machine of hydraulic cylinder
Structure, power mechanism are connected by first branch A-A', there is control mechanism, uplink between rodless cavity and accumulating mechanism, power mechanism
When rodless cavity connect with power mechanism, rodless cavity is connect with accumulating mechanism when downlink, accumulating mechanism and power mechanism diconnected.
Further, wirerope uses wire rope core for synthetic fibers, and there is the stainless steel of phosphate coat on surface.
Further, power mechanism includes oil pump, the first fuel tank, and accumulating mechanism includes shell, air bag, liquid when downlink is oil-filled
Pressure oil extruding gasbag, intracapsular pressure increase, and intracapsular pressure pushes hydraulic oil when uplink, are that the oil pump of power mechanism increases pressure
Power, emergency case causes oil-filled excessive in order to prevent, and accumulating mechanism further includes overload fuel tank.
Further, hydraulic oil reflux causes to miss in order to prevent, power mechanism and accumulating mechanism pipeline intersection point X and moves
One check valve is installed, check valve flow direction is from power mechanism best friend's point X between force mechanisms.
Further, three position four-way directional control valve can be selected in the control mechanism between rodless cavity and accumulating mechanism, power mechanism,
First station, rodless cavity are connected to accumulating mechanism, and power mechanism, rodless cavity are oil-filled to accumulating mechanism, and repairing mechanism is to rod chamber
Repairing includes；Second station, rodless cavity and accumulating mechanism, power mechanism are cut off, and power mechanism is oil-filled to accumulating mechanism；Third work
Position, power mechanism are connected to rodless cavity, and power mechanism, accumulating mechanism are oil-filled to rodless cavity, and hydraulic cylinder is hung by movable pulley drive
Card uplink, rod chamber is to the oil transportation of repairing mechanism.
Further, the oil pipe of elevator and well head is detachably connected.
Further, the sucker rod of elevator and well head is detachably connected.
Correspondingly, it is as follows to provide a kind of gravitation energy recycling formula well repairing device application method:
1, downlink mode: elevator, which is hung downwards, send oil pipe or sucker rod to enter well head.
When three position four-way directional control valve is located at the first station, the cylinder body of AT connection, hydraulic cylinder is negative in oil pipe or sucker rod etc.
It being moved downward under carrying force effect, rodless cavity hydraulic oil is along the direction second branch A'-A, to accumulating mechanism oiling, accumulating mechanism
Air bag is squeezed, and oil pipe, sucker rod gravitional force are converted into accumulating mechanism pressure energy；Power mechanism is also infused to accumulating mechanism simultaneously
Oil, if pressure is excessive, hydraulic oil flows into overload fuel tank, and air bag is simultaneously as the buffering equipment declined, and rod chamber is from repairing at this time
Mechanism supplements hydraulic oil；
2, quasi- knot mode: elevator is in still-mode.
When three position four-way directional control valve is located at second station, A channel closing, hydraulic cylinder stop motion.Power mechanism utilizes sky
The remaining time to accumulating mechanism oiling, puts aside pressure energy；
3, uplink mode: elevator lifts oil pipe or sucker rod upwards.
When three position four-way directional control valve is located at 3rd station, P is connected to A, and power mechanism and accumulating mechanism are simultaneously to rodless cavity
Oiling, the hydraulic oil of rod chamber back into repairing mechanism, at this time elevator can fast lifting, pressure energy stored by accumulating mechanism and dynamic
The pressure energy of force mechanisms is converted into gravitional force simultaneously.
The utility model has the advantages that
1, three position four-way directional control valve is in the first and second stations, i.e. load downlink and when stop motion, and system is to accumulation of energy
Mechanism oiling.When three position four-way directional control valve is in 3rd station, and uplink is wanted in load, accumulating mechanism and oil pump are supplied to system simultaneously
Oil, therefore the input power of oil pump is required to reduce；The input power of oil pump can be motor, be also possible to diesel engine.
2, during downlink, gravitional force is converted into pressure energy storage, and operation is gentle, can be by designing different energy accumulating machines
Structure gasbag pressure controls downstream rate；
3, three position four-way directional control valve is controlled by PLC, and pressure, the speed of service of load and the displacement of related oil circuit can be real
Existing process full-automation operation.
Detailed description of the invention
Fig. 1 is the utility model principle schematic diagram.
In figure: 1 well head, 2 elevators, 3 hydraulic cylinders, 301 pistons, 302 cylinder bodies, 303 piston rods, 4 wirerope, 5 terminal pads, 6
Movable pulley, 7 dead line heads, 8 accumulating mechanisms, 801 overload fuel tanks, 9 power mechanisms, 901 first fuel tanks, 10 three-position four-way valves, 11 mend
Oil machine structure.
Specific embodiment
The particular content of the utility model is described in detail in the following with reference to the drawings and specific embodiments.
This basic principle and improvement are: Normal practice is loading, and is to pass through during downlink such as oil pipe, sucker rod
Brake disc slows down, and makes to load the decline that remains a constant speed；During uplink, rise energy by engine or motor supply completely
Amount.And during the utility model drops under a load, back pressure is formed by accumulating mechanism 8, converts liquid for gravitional force
Pressure energy；During loading uplink, the pressure energy of storage discharges again, and pump gives system to supply energy together, can reduce pair
The requirement of pump power, and reduce the energy loss of pump.
A kind of gravitation energy recycles formula well repairing device, including wirerope 4, elevator 2, hydraulic cylinder 3, movable pulley as shown in Figure 1:
6, accumulating mechanism 8, power mechanism 9, repairing mechanism 11,
The dead line head 7 of wirerope 4 is fixed on the chassis of well repairing device, and wirerope 4 passes through movable pulley 6, the work of wirerope 4
Rope end installation elevator 2, elevator 2 is placed in 1 top of well head, and can move up and down in 1 central axes of well head；Well head 1 can be well, oil
Well, gas well.
Movable pulley 6 has 2, and movable pulley 6 is hinged by terminal pad 5 and hydraulic cylinder 3；
Terminal pad 5 is fixed on 302 upper surface of cylinder body of hydraulic cylinder 3, and the piston rod 303 of hydraulic cylinder 3 is fixed on well repairing device
Chassis on, cylinder body 302 can drive movable pulley 6 to move upwards, and can also move downward under 6 pressure of movable pulley；
The rod chamber of hydraulic cylinder 3 is connect with repairing mechanism 11 by first branch B-B', the rodless cavity of hydraulic cylinder 3 and accumulation of energy
Mechanism 8, power mechanism 9 are connected by second branch A-A', there is control machine between rodless cavity and accumulating mechanism 8, power mechanism 9
Structure, rodless cavity is connect with power mechanism 9 when uplink, and rodless cavity is connect with accumulating mechanism 8 when downlink, accumulating mechanism 8 and engine
9 diconnected of structure.
In practical applications, the power mechanism 9 includes oil pump, the first fuel tank 901, and accumulating mechanism 8 includes shell, gas
Capsule, overload fuel tank 801, hydraulic oil extruding gasbag when oil-filled, hydraulic oil flows into overload fuel tank 801 when hydraulic oil is excessive in shell.
In practical applications, the control mechanism between the rodless cavity and accumulating mechanism 8, power mechanism 9 is 3-position 4-way
Reversal valve 10, when being located at right position, power mechanism 9 is connected to rodless cavity；When positioned at middle position, rodless cavity and accumulating mechanism 8, engine
Structure 9 is cut off；When positioned at left position, rodless cavity is connected to accumulating mechanism 8.
In practical applications, the power mechanism 9 includes check valve 902, and check valve 902 is mounted on the oil of power mechanism 9
The exit of pump, flow to for along power mechanism 9 to accumulating mechanism 8, three position four-way directional control valve 10.
In practical applications, the oil pipe of the elevator 2 and well head 1 is detachably connected.
In practical applications, the sucker rod of the elevator 2 and well head 1 is detachably connected.
In practical applications, the wirerope 4 uses wire rope core for synthetic fibers, and there is the stainless steel of phosphate coat on surface.
Through testing, the present apparatus saves 35% or more power consumption than traditional workover rig.
In conclusion the utility model is reliable and stable, pressure energy is converted by gravitional force, the energy is saved, avoids biography
System mode brake abrasion, fever failure situation.
The basic principles and main features and advantage of the utility model have been shown and described above.The technical staff of the industry
It should be appreciated that above embodiment is only to illustrate the technical ideas and features of the present invention, its object is to allow be familiar with this
The personage of technology can understand the content of the utility model and be implemented, and the protection model of the utility model can not be limited with this
It encloses, all equivalent change or modifications according to made by the spirit of the present invention essence should all cover the protection model in the utility model
In enclosing.
Claims (6)
1. a kind of gravitation energy recycles formula well repairing device, it is characterised in that: including wirerope (4), elevator (2), hydraulic cylinder (3),
Movable pulley (6), accumulating mechanism (8), power mechanism (9), repairing mechanism (11),
Wirerope (4) dead line head (7) is fixed in equipment chassis, and wirerope (4) passes through movable pulley (6), wirerope (4) other end
Installation elevator (2), elevator (2) is placed in above well head (1), and can be moved up and down in well head (1) central axes；
Movable pulley (6) has multiple, and movable pulley (6) is hinged by terminal pad (5) and hydraulic cylinder (3)；
Terminal pad (5) is fixed on cylinder body (302) upper surface of hydraulic cylinder (3), and the piston rod (303) of hydraulic cylinder (3), which is fixed on, to be repaired
On the chassis of well device, cylinder body (302) can drive movable pulley (6) to move upwards, and can also transport downwards under movable pulley (6) pressure
It is dynamic；
The rod chamber of hydraulic cylinder (3) and repairing mechanism (11) connects by the first branch (B-B'), the rodless cavity of hydraulic cylinder (3) and
Accumulating mechanism (8), power mechanism (9) are connected by second branch (A-A'), rodless cavity and accumulating mechanism (8), power mechanism (9)
Between have a control mechanism, rodless cavity is connect with power mechanism (9) when uplink, and rodless cavity is connect with accumulating mechanism (8) when downlink, is stored
It can mechanism (8) and power mechanism (9) diconnected.
2. a kind of gravitation energy according to claim 1 recycles formula well repairing device, it is characterised in that: the power mechanism
It (9) include oil pump, the first fuel tank (901), accumulating mechanism (8) includes shell, air bag, overload fuel tank (801), hydraulic oil when oil-filled
Extruding gasbag, hydraulic oil flows into overload fuel tank (801) when hydraulic oil is excessive in shell.
3. a kind of gravitation energy according to claim 1 or 2 recycles formula well repairing device, it is characterised in that: the rodless cavity
Control mechanism between accumulating mechanism (8), power mechanism (9) is three position four-way directional control valve (10), including the first station, no bar
Chamber and accumulating mechanism (8), power mechanism (9) are cut off；Second station, power mechanism (9) are connected to accumulating mechanism (8), rodless cavity
Cutting；3rd station, power mechanism (9) are connected to rodless cavity.
4. a kind of gravitation energy according to claim 3 recycles formula well repairing device, it is characterised in that: the power mechanism
It (9) include check valve (902), check valve (902) is mounted on the exit of power mechanism (9) oil pump, flows to as along power mechanism
(9) to accumulating mechanism (8), three position four-way directional control valve (10).
5. a kind of gravitation energy according to claim 4 recycles formula well repairing device, it is characterised in that: the elevator (2) with
The sucker rod or oil pipe of well head (1) are detachably connected.
6. a kind of gravitation energy according to claim 5 recycles formula well repairing device, it is characterised in that: the wirerope (4)
Use wire rope core for synthetic fibers, there is the stainless steel wirerope of phosphate coat on surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820796451.4U CN208330228U (en) | 2018-05-28 | 2018-05-28 | A kind of gravitation energy recycling formula well repairing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820796451.4U CN208330228U (en) | 2018-05-28 | 2018-05-28 | A kind of gravitation energy recycling formula well repairing device |
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| Publication Number | Publication Date |
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| CN208330228U true CN208330228U (en) | 2019-01-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108571293A (en) * | 2018-05-28 | 2018-09-25 | 盐城市金巨石油机械制造有限公司 | A kind of gravitation energy recycles formula well repairing device and its application method |
-
2018
- 2018-05-28 CN CN201820796451.4U patent/CN208330228U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108571293A (en) * | 2018-05-28 | 2018-09-25 | 盐城市金巨石油机械制造有限公司 | A kind of gravitation energy recycles formula well repairing device and its application method |
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