CN212359660U - Self-carrying type environment-friendly well repairing platform - Google Patents
Self-carrying type environment-friendly well repairing platform Download PDFInfo
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- CN212359660U CN212359660U CN202021102092.1U CN202021102092U CN212359660U CN 212359660 U CN212359660 U CN 212359660U CN 202021102092 U CN202021102092 U CN 202021102092U CN 212359660 U CN212359660 U CN 212359660U
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Abstract
The utility model discloses a self-contained environment-friendly workover platform, which comprises a platform body, an upper flange and a lower flange which are communicated with each other to form an axial channel, wherein the bottom end of the platform body is a closed end, one side of the platform body is provided with a platform articulated part for being connected with a workover rig, the platform body is connected with a platform turnover mechanism, and the platform turnover mechanism comprises a telescopic cylinder and a pulley block; in a well head site, the lower flange of the self-carrying environment-friendly workover platform is connected with a well head flange or a blowout preventer, the upper flange is connected with an oil scraper, oil stains generated in the workover process do not fall to the ground, well head ground pollution is avoided, the operation environment is improved, the height of the lower flange of the platform is adjustable, the well head adaptability is good, and the transportation is convenient and fast; the working efficiency and the production safety are improved, and the labor intensity is reduced.
Description
Technical Field
The utility model relates to an oil machinery technical field, concretely relates to match in self-carrying formula environmental protection workover platform of well head workover.
Background
Workover operations are an important link in the oil exploitation process, wherein wellhead operations are an important process of workover operations. Before well workover operation begins, operation workers need to set up cofferdams around the well head in advance and lay oil-proof cloth, and in the operation process, because the pressure in the oil well is large, a large amount of crude oil and sewage are brought out in an oil pipe column in the process of overflowing and pipe lifting in the oil well to pollute well head equipment and the well field ground, and the operation workers are full of oil stains, so that various operations on the well head become abnormal and difficult, and great disadvantages are caused to safe production.
With the increasing requirements of the national environmental protection and the whole society on the labor conditions, the development of workover operation towards low labor intensity, high operation efficiency and zero environmental pollution becomes a necessary trend. In order to meet the requirements of national environmental protection and operation of oil field companies and improve the operation environment, an environmental protection well repairing platform matched with oil field well repairing is urgently needed to be designed for technical personnel in the field.
Disclosure of Invention
In view of this, the technical problem to be solved by the present invention is: the portable environment-friendly workover platform is matched with an oil field workover, oil stains do not fall to the ground during workover, the operation environment is improved, and the production safety is improved.
In order to solve the technical problem, the technical scheme of the utility model is that: self-contained environmental protection well workover platform includes: the platform comprises a platform body, wherein an upper flange is arranged on the upper portion of the platform body, a lower flange is arranged on the lower portion of the platform body, the upper flange, the platform body and the lower flange are communicated to form an axial channel, the bottom end of the platform body is a closed end, and a platform hinging portion used for realizing hinging connection is arranged on one side of the platform body.
The bottom of the platform body is provided with a sewage collection box, the sewage collection box forms the closed end, and the sewage collection box is provided with a sewage discharge outlet.
Wherein, dirty box of collection is the back taper platform shape.
The lower end of the upper flange is fixedly connected with the upper end of the platform sleeve; the upper end of the lower flange is inserted into the platform sleeve, and the upper end of the lower flange is connected with the platform sleeve through a threaded fastener.
The anti-skid platform comprises a platform body and is characterized in that an anti-skid structure is arranged on the upper table top of the platform body, and guardrails are arranged around the platform body.
The platform body is hinged to a rear chassis bumper of the workover rig, the platform body is connected with a platform turnover mechanism, the platform turnover mechanism comprises a telescopic cylinder and a pulley block, the pulley block comprises a movable pulley, a fixed pulley and a pull rope, the movable pulley is arranged at the telescopic rod end of the telescopic cylinder, the fixed pulley is arranged at the top of a derrick support of the workover rig, the pull rope winds the movable pulley and the fixed pulley, one end of the pull rope is connected with the platform body, and the other end of the pull rope is fixed in position.
The chassis rear bumper is fixedly provided with a support, and the platform hinge portion of the platform body is hinged to the support through a pin shaft.
Wherein, the support is provided with a horizontal limiting step.
The derrick support is provided with a pull rod assembly, one end of the pull rod assembly is hinged to the derrick support, and the other end of the pull rod assembly is used for being connected with the platform body.
After the technical scheme is adopted, the beneficial effects of the utility model are as follows:
because the self-carrying environment-friendly well workover platform comprises a platform body, an upper flange and a lower flange which are communicated with each other to form an axial channel, the bottom end of the platform body is a closed end, and one side of the platform body is provided with a platform hinge part; the workover platform can be hinged with a workover rig or other transportation equipment through the platform hinge part, so that the transportation is convenient and rapid; on the well head site, the lower flange of the portable environment-friendly workover platform is connected with a well head flange or a blowout preventer, and the upper flange is connected with an oil scraper; when the oil pipe is used for workover, oil stains on the surface of the oil pipe rod scraped by the oil scraper return to an oil well through the axial channel, and because the bottom end of the platform body is the closed end, crude oil and sewage which overflow from the oil well and are brought out from an oil pipe column in the pipe lifting process cannot fall to the ground but temporarily exist in the platform body, so that the ground pollution of a well mouth is avoided, and the operation environment is improved.
Because the upper end of the lower flange is connected with the platform sleeve through the threaded fastener, the height of the lower flange can be adjusted, the wellhead flanges with different heights can be matched, and the well site adaptability of the platform is good.
The platform body is connected and controlled by the platform turnover mechanism, so that the platform body is vertically arranged in a transportation state, occupies a small space, and is compact in structure and convenient to move and transport; during workover operation, under the action of the platform turnover mechanism, the platform body is in a horizontal state, so that the platform body is conveniently connected with a wellhead to carry out workover operation; the platform turnover mechanism replaces a manual operation mode, so that the operation efficiency and the production safety are greatly improved, and the labor intensity is reduced.
Drawings
Fig. 1 is a schematic view of a portable environment-friendly workover platform according to an embodiment of the present invention at a first position;
fig. 2 is a schematic view of the portable environment-friendly workover platform according to the embodiment of the present invention at position two;
fig. 3 is a schematic view of the portable environment-friendly workover platform according to the embodiment of the present invention at position three;
in the figure: 1-a platform body; 11-a platform articulation; 12-a platform sleeve; 13-a threaded fastener; 2-upper flange; 3-support; 31-horizontal limiting step; 32-a pin shaft; 41-a mast carriage; 42-a derrick; 5-a pull rod assembly; 61-telescoping cylinder; 62-a movable pulley; 63-fixed pulley; 64-a pull rope; 7-a dirt collecting box; 8-a sewage draining outlet; 9-lower flange; 10-a manual directional valve; a-a workover rig; b-well head.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and examples.
As shown in fig. 1, fig. 2 and fig. 3 together, the utility model discloses portable environmental protection workover platform of embodiment joins in marriage in workover rig a for the environmental protection workover operation of well head B, workover rig a carries derrick support 41 and derrick 42 that are connected.
The utility model discloses self-carrying formula environmental protection well workover platform includes: the oil pipe lifting platform comprises a platform body 1, wherein an upper flange 2 is arranged at the upper part of the platform body 1, a lower flange 9 is arranged at the lower part of the platform body 1, and the upper flange 2, the platform body 1 and the lower flange 9 are communicated to form an axial channel for lifting or lowering an oil drain pipe rod (an oil pipe and an oil pumping rod); the bottom end of the platform body 1 is a closed end; a platform hinge 11 for realizing a hinge connection is provided at one side of the platform body 1, and the platform hinge 11 preferably takes the form of a hinge ear.
Wherein, be provided with dirty box 7 of collection in the bottom of platform body 1, this dirty box 7 of collection forms platform body 1 the blind end is provided with drain 8 in the bottom of the dirty box 7 of collection, for guaranteeing that the greasy dirt discharges thoroughly, will collect dirty box 7 optimal design and be the back taper platform shape, drain 8 is connected with the dirt storage tank through the hose (not specifically shown in the figure), is carried away after the dirt storage tank retrieves oily water, ensures that the greasy dirt does not fall to the ground, has stopped well head ground pollution, has improved the operational environment.
Wherein, a platform sleeve 12 penetrates through and is fixed at the middle part of the platform body 1, and the lower end of the upper flange 2 is fixedly connected with the upper end of the platform sleeve 12, preferably in a welding connection mode; the upper end of the lower flange 9 is inserted into the platform sleeve 12, and the upper end of the lower flange 9 is connected with the platform sleeve 12 through a threaded fastener 13, such as a bolt connector or a screw connector. Because the upper end of the lower flange 9 is connected with the platform sleeve 12 through the threaded fastener, the height of the lower flange is adjustable, when a particularly short wellhead flange is encountered during well repair, the lower flange 9 of the platform can be firstly installed on the wellhead flange, then the platform sleeve 12 is sleeved into the lower flange 9 by the hoisting platform body 1 of the hook of the well repair machine, and then the upper end of the lower flange 9 is tightly fixed with the platform sleeve 12 through the threaded fastener 13, so that the fixed installation and matching of the well repair platform can be realized even if the wellhead flanges with different heights are ensured, and the well site adaptability is good.
Wherein, in order to further improve the operation security, the upper table surface of the platform body 1 is provided with an anti-skidding structure, the anti-skidding structure includes but is not limited to an anti-skidding toothed plate, and a guardrail (not specifically shown in the figure) is arranged around the platform body 1.
As shown in fig. 1 and 2, the platform body 1 is hinged to a rear chassis bumper of the workover rig a, and the platform body 1 is connected and controlled by a platform turning mechanism which comprises a telescopic cylinder 61 and a pulley block. The telescopic cylinder 61 includes but is not limited to a telescopic cylinder form, the telescopic cylinder is controlled by a reversing valve, and the manual reversing valve 10 is specifically adopted in the embodiment. The pulley block comprises a movable pulley 62, a fixed pulley 63 and a pull rope 64, the pull rope 64 preferably adopts a steel wire rope with high strength, the movable pulley 62 is arranged at the telescopic rod end of the telescopic cylinder 61, the fixed pulley 63 is arranged on a cross beam at the top of the derrick support 41, the pull rope 64 winds the movable pulley 62 and the fixed pulley 63, one end of the pull rope 64 is used for connecting the platform body 1, and the other end of the pull rope 64 is fixed in position.
Wherein, furtherly, chassis rear bumper is fixed to be provided with support 3, and for guaranteeing that the biggest upset position of platform body 1 is horizontal position, support 3 is provided with horizontal spacing step 31, and platform articulated portion 11 of platform body 1 is connected with support 3 is articulated through round pin axle 32.
As shown in fig. 1, in order to further ensure the connection reliability and safety between the platform body 1 and the platform turnover mechanism and between the platform body and the derrick support 41 in the vertical state shown in position one, the derrick support 41 is provided with a pull rod assembly 5, one end of the pull rod assembly 5 is hinged to the derrick support 41, and the other end of the pull rod assembly 5 is connected to the platform body 1.
The utility model discloses portable environmental protection well workover platform's installation application as follows:
1. mounting of
As shown in fig. 1, after entering a well site, a workover rig A is parked in alignment with a wellhead B; as shown in fig. 2, the derrick 42 is lifted to meet the requirement of workover operation, then the pin shaft on the fixed pull rod assembly 5 is detached, the manual reversing valve 10 is operated, the telescopic rod of the telescopic cylinder 61 extends out to drive the movable pulley 62 to ascend, the platform is controlled to turn over and descend around the pin shaft 32 through the pull rope 64, when the platform falls from the first position shown in fig. 1 to the second position shown in fig. 2, the platform automatically stops descending under the action of the horizontal limiting step 31 of the support 3 and is in a horizontal state, at this time, the rope buckle at the lower end of the pull rope 64 can be removed, and the manual reversing valve 10 is operated to retract the telescopic cylinder 61 to the. Controlling a big hook of the workover rig to fall, hanging a hoisting rope on the big hook into the platform body 1, then lifting the big hook to a position where the hoisting rope is stressed, as shown in figure 3, dismounting a pin shaft 32 connecting the support 3 and the platform body 1 to separate the platform from the workover rig A, then controlling the big hook of the workover rig to enable the platform to fall to a third position shown in figure 3, enabling a platform seat to be arranged on a wellhead flange, tightly connecting a lower flange 9 and the wellhead flange (or a blowout preventer) into a whole by using bolts, finally connecting a drain outlet 8 with a sewage tank by using a hose, and completing the installation of the workover platform.
When a particularly short wellhead flange is encountered, the lower flange 9 of the platform can be firstly installed on the wellhead flange, then the workover rig hook is used for hoisting the platform body 1 to enable the platform sleeve 12 to be sleeved into the lower flange 9, and then the lower flange is fixed through the threaded fastener 13, so that the wellhead flanges with different heights can be fixedly installed and matched with the workover platform, and the well site adaptability of the platform is good.
2. Workover operations
During well repair operation, oil stains on the surfaces of the oil pipe and the sucker rod are scraped by the oil wiper arranged on the upper flange 2 and fall back into the oil well. Crude oil and sewage which are overflowed from the oil well and brought out from the oil pipe column in the pipe lifting process fall into a sewage collecting box 7 of the platform and are recovered into a sewage tank through a sewage outlet 8 and a hose to be transported away. The oil stain does not fall to the ground, thereby avoiding the ground pollution of the well mouth and improving the operation environment.
3. Disassembled when moving home
After the workover operation is finished, the lower flange 9 is separated from a wellhead flange (or a blowout preventer), the hook of the workover rig is controlled to ascend, when the platform ascends from the third position shown in figure 3 to the second position shown in figure 2, a pin shaft 32 is arranged between the platform hinge part 11 and the support 3, the platform is connected with the workover rig A into a whole, the hook of the workover rig is controlled to fall, and after the hoisting rope is detached, the hook is controlled to ascend to a position where the overturning of the platform is not influenced. Then, the manual directional control valve 10 is operated to make the telescopic cylinder 61 drive the movable pulley 62 to ascend, and the rope buckle of the rope 64 is hooked on the platform body 1. The manual reversing valve 10 is operated to enable the telescopic cylinder 61 to retract to drive the movable pulley 62 to descend, when the dragging platform overturns from the position II shown in figure 2 to the position shown in figure 1, the end part of the pull rod assembly 5 is connected with the platform body 1 in a hanging mode, the platform is fixed in a vertical state, and safety and reliability in the moving and transporting process are guaranteed.
The foregoing is an example of the best mode of the invention, and those parts not specifically mentioned are known in the art, and the scope of the invention is defined by the appended claims, and any equivalent changes based on the teachings of the invention are within the scope of the invention.
Claims (9)
1. Self-contained environmental protection well workover platform includes: the platform body is characterized in that an upper flange is arranged on the upper portion of the platform body, a lower flange is arranged on the lower portion of the platform body, the upper flange, the platform body and the lower flange are communicated to form an axial channel, the bottom end of the platform body is a closed end, and a platform hinge portion used for achieving hinged connection is arranged on one side of the platform body.
2. The portable environment-friendly well workover platform of claim 1, wherein a sewage collection box is arranged at the bottom of the platform body, the sewage collection box forms the closed end, and the sewage collection box is provided with a sewage discharge outlet.
3. The portable environmental friendly workover platform of claim 2, wherein the dirt collection box is in the shape of an inverted frustum.
4. The portable environment-friendly well workover platform of claim 1, wherein a platform sleeve penetrates through and is fixed to the middle of the platform body, and the lower end of the upper flange is fixedly connected with the upper end of the platform sleeve; the upper end of the lower flange is inserted into the platform sleeve, and the upper end of the lower flange is connected with the platform sleeve through a threaded fastener.
5. The portable environment-friendly well workover platform of claim 1, wherein the upper table surface of the platform body is provided with an anti-skid structure, and a guardrail is arranged around the platform body.
6. The portable environment-friendly workover platform of claim 1, wherein the platform body is hinged to a rear chassis bumper of the workover rig, the platform body is connected with a platform overturning mechanism, the platform overturning mechanism comprises a telescopic cylinder and a pulley block, the pulley block comprises a movable pulley, a fixed pulley and a pull rope, the movable pulley is arranged at a telescopic rod end of the telescopic cylinder, the fixed pulley is arranged at the top of a derrick support of the workover rig, the pull rope is wound around the movable pulley and the fixed pulley, one end of the pull rope is connected with the platform body, and the other end of the pull rope is fixed in position.
7. The portable environment-friendly well workover platform of claim 6, wherein a support is fixedly arranged on the rear bumper of the chassis, and the platform hinge part of the platform body is hinged with the support through a pin shaft.
8. The portable environmental friendly workover platform of claim 7, wherein the support is provided with a horizontal limit step.
9. The portable environment-friendly workover platform of claim 6, wherein the derrick support is provided with a pull rod assembly, one end of the pull rod assembly is hinged with the derrick support, and the other end of the pull rod assembly is used for connecting the platform body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021102092.1U CN212359660U (en) | 2020-06-13 | 2020-06-13 | Self-carrying type environment-friendly well repairing platform |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021102092.1U CN212359660U (en) | 2020-06-13 | 2020-06-13 | Self-carrying type environment-friendly well repairing platform |
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| CN212359660U true CN212359660U (en) | 2021-01-15 |
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| CN202021102092.1U Active CN212359660U (en) | 2020-06-13 | 2020-06-13 | Self-carrying type environment-friendly well repairing platform |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113356785A (en) * | 2021-06-11 | 2021-09-07 | 中国石油天然气股份有限公司 | On-spot environmental protection of oil workover platform device of treating pollution |
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2020
- 2020-06-13 CN CN202021102092.1U patent/CN212359660U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113356785A (en) * | 2021-06-11 | 2021-09-07 | 中国石油天然气股份有限公司 | On-spot environmental protection of oil workover platform device of treating pollution |
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