CN112412380B - Oil field operation vehicle-mounted wellhead operation floating sealing platform - Google Patents
Oil field operation vehicle-mounted wellhead operation floating sealing platform Download PDFInfo
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- CN112412380B CN112412380B CN202011325814.4A CN202011325814A CN112412380B CN 112412380 B CN112412380 B CN 112412380B CN 202011325814 A CN202011325814 A CN 202011325814A CN 112412380 B CN112412380 B CN 112412380B
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- cover body
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- 238000007789 sealing Methods 0.000 title claims abstract description 48
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 10
- 239000004744 fabric Substances 0.000 description 3
- 239000011435 rock Substances 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (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)
- Earth Drilling (AREA)
Abstract
A traveling sealing platform for truck-mounted wellhead operation in oil field operation. The problem of current floating workover operation platform's the position that moves about sealed effect poor is mainly solved. The method is characterized in that: a platform (III) is connected between the connecting mechanism (I) and the supporting frame (II), and the middle part of the platform (III) is connected with a moving sealing mechanism (IV); the moving sealing mechanism (IV) comprises a flange (4), a lower cover body (3) is arranged outside the flange (4), the lower cover body (3) is located on the platform (III), the upper portion of the lower cover body (3) is connected with an upper cover body (2), a sealing plate (1) is connected onto the flange (4) on the upper portion of the upper cover body (2), and the sealing plate (1) is in sealing connection with the flange (4). The floating sealing platform for the vehicle-mounted wellhead operation in the oilfield operation has the advantages of good sealing effect, realization of floating sealing of the operation platform and the operation wellhead, safe operation and good environmental protection effect.
Description
Technical Field
The invention relates to the field of oil fields, in particular to a traveling sealing platform for vehicle-mounted wellhead operation in oil field operation.
Background
At present, in order to control the overflow of a wellhead during the oil pipe tripping operation of an oil field, a liquid receiving platform for workover operation is generally installed at the wellhead, a liquid collecting pit is dug near the wellhead, and impermeable cloth is paved around the wellhead. The well site is polluted by digging a liquid accumulation pit near the well mouth, and the labor intensity of workers is high; the seepage-proofing cloth laid around the well head can not recover all accumulated liquid, and the seepage-proofing cloth sheet is thin and easy to break, so that the environmental protection effect is poor; the workover operation liquid receiving platform is directly connected with an operation wellhead, when the wellhead shakes or moves up and down, the potential safety hazard is large during operation of personnel, the moving part of the moving platform is not sealed, and the environment-friendly liquid receiving effect is poor.
Disclosure of Invention
In order to overcome the defect that the sealing effect of the moving part of the conventional moving type workover operation platform is poor, the invention provides the moving sealing platform for the oil field operation vehicle-mounted wellhead operation.
The technical scheme of the invention is as follows: a traveling sealing platform for the vehicle-mounted wellhead operation in the oilfield operation comprises a connecting mechanism and a support frame, wherein a platform is connected between the connecting mechanism and the support frame, and the middle part of the platform is connected with a traveling sealing mechanism;
The floating sealing mechanism comprises a flange, a lower cover body is arranged outside the flange and positioned on the platform, the upper portion of the lower cover body is connected with an upper cover body, a sealing plate is connected to the flange on the upper portion of the upper cover body, and the sealing plate is connected with the flange in a sealing mode.
Annular gaps are formed among the upper cover body, the lower cover body and the flange.
The outer diameter of the sealing plate is larger than the inner diameter of the upper cover body, the outer diameter of the upper cover body is larger than the inner diameter of the lower cover body, and the outer diameter of the lower cover body is larger than the inner diameter of the platform.
The invention has the following beneficial effects: by adopting the scheme, the platform can realize floating sealing with a wellhead during operation workover, avoids oil and water overflowing from the wellhead from polluting a well site, ensures the safety of operators and promotes safe and standardized construction of underground operation.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the floating seal mechanism.
In the figure, I is a connecting mechanism, II is a supporting frame, III is a platform, IV is a floating sealing mechanism, 1 is a sealing plate, 2 is an upper cover body, 3 is a lower cover body, and 4 is a flange.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
as shown in the figures 1 and 2, the traveling sealing platform for the vehicle-mounted wellhead operation in the oilfield operation comprises a connecting mechanism I and a support frame II, wherein the connecting mechanism I is connected with a workover rig, the height of the support frame II is adjustable, a platform III is connected between the connecting mechanism I and the support frame II, and the connecting mechanism I, the support frame II and the platform III are hinged and foldable, so that the transportation is convenient. The middle part of the platform III is connected with a moving sealing mechanism IV, the moving sealing mechanism IV comprises a flange 4, and the flange 4 is connected to a wellhead flange or an upper flange of a blowout preventer. Lid 3 down is equipped with to flange 4 outside, and lower lid 3 is located platform III, and all there is the clearance between flange 4 and platform III, the lid 3 down, and 3 external diameters of lower lid are greater than III internal diameters of platform. The upper part of the lower cover body 3 is connected with an upper cover body 2, a gap is also arranged between the upper cover body 2 and the flange 4, and the outer diameter of the upper cover body 2 is larger than the inner diameter of the lower cover body 3. The upper cover body 2 is connected with a sealing plate 1 on a flange 4 on the upper portion, the sealing plate 1 is connected with the flange 4 in a sealing mode, and the outer diameter of the sealing plate 1 is larger than the inner diameter of the upper cover body 2. The edge of the sealing plate 1 is inclined downwards to form an umbrella shape, and the liquid on the sealing plate can flow downwards from the edge of the sealing plate 1.
Because all there is the clearance between upper cover body 2, lower lid 3 and platform III and the flange 4, the platform can not receive the influence that the well head rocked during operation like this. Simultaneously, 1 external diameter of closing plate is greater than 2 internal diameters of upper cover body to even the wellhead rocks extreme position should be guaranteed to the difference between the two, closing plate 1 also can cover the cavity in the upper cover body 2 completely, can avoid the liquid outflow platform of wellhead overflow.
The sealing plate 1, the upper cover body 2 and the lower cover body 3 form a three-level flow guide layer, liquid overflowing from well flow during operation firstly flows onto the sealing plate 1, and due to the sealing between the sealing plate 1 and the flange 4, the liquid flows onto the upper cover body 2 downwards from the periphery of the sealing plate 1, then sequentially flows onto the lower cover body 3 and the platform III through the upper cover body 2, and finally is recovered through a device connected with overflow through a well mouth. During operation, the sealing plate 1 and the flange 4 can rock along with the well head, the platform III keeps motionless, and the transition of the upper cover body 2 and the lower cover body 3 enables the well head to keep moving and sealing.
Claims (1)
1. The utility model provides an oil field operation vehicle-mounted well head operation sealing platform that moves about, includes coupling mechanism (I), support frame (II), its characterized in that: a platform (III) is connected between the connecting mechanism (I) and the supporting frame (II), and the middle part of the platform (III) is connected with a moving sealing mechanism (IV);
The moving sealing mechanism (IV) comprises a flange (4), a lower cover body (3) is arranged outside the flange (4), the lower cover body (3) is positioned on the platform (III), the upper part of the lower cover body (3) is connected with an upper cover body (2), a sealing plate (1) is connected onto the flange (4) on the upper part of the upper cover body (2), and the sealing plate (1) is in sealing connection with the flange (4);
annular gaps are formed among the upper cover body (2), the lower cover body (3) and the flange (4); the outer diameter of the sealing plate (1) is larger than the inner diameter of the upper cover body (2), the outer diameter of the upper cover body (2) is larger than the inner diameter of the lower cover body (3), and the outer diameter of the lower cover body (3) is larger than the inner diameter of the platform (III).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011325814.4A CN112412380B (en) | 2020-11-23 | 2020-11-23 | Oil field operation vehicle-mounted wellhead operation floating sealing platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011325814.4A CN112412380B (en) | 2020-11-23 | 2020-11-23 | Oil field operation vehicle-mounted wellhead operation floating sealing platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112412380A CN112412380A (en) | 2021-02-26 |
| CN112412380B true CN112412380B (en) | 2022-07-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011325814.4A Active CN112412380B (en) | 2020-11-23 | 2020-11-23 | Oil field operation vehicle-mounted wellhead operation floating sealing platform |
Country Status (1)
| Country | Link |
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| CN (1) | CN112412380B (en) |
Citations (12)
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| US6681894B1 (en) * | 2002-10-26 | 2004-01-27 | Robert P. Fanguy | Portable well head work platform |
| CN201460821U (en) * | 2009-07-16 | 2010-05-12 | 李国龙 | Split-type well head operating floor |
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| CN104343400A (en) * | 2013-08-09 | 2015-02-11 | 大港油田集团有限责任公司 | Snubbing controllable workover operation equipment and operation method thereof |
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| CN111911095A (en) * | 2020-08-18 | 2020-11-10 | 中国石油化工股份有限公司 | Pressurized workover device and pressurized workover method for low-pressure oil-water well |
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| CN112412380A (en) | 2021-02-26 |
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