CN111365553B - Pressure relief buffer device and pressure relief method thereof - Google Patents
Pressure relief buffer device and pressure relief method thereof Download PDFInfo
- Publication number
- CN111365553B CN111365553B CN202010270670.0A CN202010270670A CN111365553B CN 111365553 B CN111365553 B CN 111365553B CN 202010270670 A CN202010270670 A CN 202010270670A CN 111365553 B CN111365553 B CN 111365553B
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- China
- Prior art keywords
- buffering
- buffer
- joint
- pressure relief
- upper joint
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- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/02—Energy absorbers; Noise absorbers
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- 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
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15D—FLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOW OF GASES OR LIQUIDS
- F15D1/00—Influencing flow of fluids
- F15D1/0005—Baffle plates
Abstract
The invention relates to a pressure relief buffering device and a pressure relief method thereof, wherein the pressure relief buffering device comprises an upper joint, a buffering support, a buffering plate and a lower joint, the upper joint and the lower joint are all reducing cylinders, one end of the upper joint is connected with a water hose, the other end of the upper joint is in threaded connection with the lower joint to form a buffering cavity, the buffering support is arranged in the buffering cavity, one end of the buffering support is welded in the upper joint, the other end of the buffering support is inwards contracted and is in welded connection with the buffering plate, the lower joint, the buffering plate and the upper joint are coaxially arranged, and the lower joint is in threaded connection with a wellhead gate. When the pressure relief device is used for pressure relief, the gate is opened to enable the interior of the pressure inlet device in the well to directly generate front impact with the buffer plate, the impact force of fluid is relieved, and the fluid enters the water tank truck through the hose, so that the potential safety hazard and the potential environmental hazard caused by the overlarge impact force of the fluid in the well are achieved.
Description
The technical field is as follows:
the invention relates to the technical field of oil exploitation equipment, in particular to a pressure relief buffer device and a pressure relief method thereof.
Secondly, background art:
on the construction site of a downhole operation team, the pressure relief of the fluid in the well is a necessary operation in the operation. The existing method is to connect the well mouth and the water tank truck together by a water hose, and open a gate of the well mouth to discharge the pressure in the well into the water tank truck through the water hose. Because the pressure in the well is high, and the flashboard of the gate is in a process from small to large in the opening process, the pressure in the well impacts the water hose at an accelerated speed, the water hose is thrown back and forth, people are easily injured, and the connector at the joint can be thrown away in serious situations, so that greater personnel injury and environmental pollution are caused.
Thirdly, the invention content:
the invention aims to provide a pressure relief buffer device which is used for solving the problem that a water hose swings back and forth to hurt people when liquid pressure in a well is released in the construction of a downhole operation team, and the invention also aims to provide a pressure relief method of the pressure relief buffer device.
The technical scheme adopted by the invention for solving the technical problems is as follows: this kind of pressure release buffer includes the top connection, cushion bracket, the buffer board, the lower clutch, the top connection, the lower clutch is the reducing barrel, top connection one end is connected with the hose, form the cushion chamber behind the top connection other end and the lower clutch threaded connection, the cushion intracavity sets up the buffering support, inside the welding of buffering support one end at the top connection, the inside shrink of buffering support other end and buffer board welded connection, lower clutch, buffer board, top connection set up with the axle center, lower clutch and well head gate threaded connection.
According to the scheme, the upper joint is formed by connecting two sections of cylinders with different diameters into a whole, the joint forms a circular truncated cone, the small-diameter section of the upper joint is provided with an internal thread, the large-diameter section of the upper joint is provided with an external thread, the small-diameter section of the upper joint is in threaded connection with the metal head of the water hose, and the large-diameter section of the upper joint is in threaded connection with the lower joint.
The buffering support comprises three buffering extension boards among the above-mentioned scheme, and the terminal surface of three buffering extension board one end all welds on the top connection round platform, and three buffering extension board along round platform circumference evenly distributed, and three buffering extension board side welds on the thick footpath section inner wall of top connection, and the terminal surface of the three buffering extension board other end evenly welds on the buffer board along circumference.
In the scheme, the lower joint is formed by connecting two sections of cylinders with different diameters into a whole, the two ends of the lower joint are provided with external threads, the small-diameter section of the lower joint is in threaded connection with the wellhead gate, and the large-diameter section of the lower joint is in threaded connection with the large-diameter section of the upper joint.
The pressure relief method of the pressure relief buffering device comprises the following steps:
during pressure relief, the gate of the wellhead is opened to enable high-pressure fluid in the well to directly generate frontal impact with the buffer plate after entering the pressure relief buffer device, the high-pressure fluid turns back repeatedly twice and continues to go upwards in the buffer cavity through the annular space between the buffer plate and the buffer cavity, the pressure relief buffer device is separated from the upper joint, at the moment, the impact force of the fluid is relieved, the fluid after energy relief enters the hose, and the fluid does not impact the hose and stably enters the tank truck through the hose.
The invention has the following beneficial effects:
1. when the pressure relief device is used for pressure relief, the gate is opened to enable the interior of the pressure inlet device in the well to directly generate front impact with the buffer plate, the impact force of fluid is relieved, and the fluid enters the water tank truck through the hose, so that the potential safety hazard and the potential environmental hazard caused by the overlarge impact force of the fluid in the well are achieved.
2. The invention has simple structure clamp, the upper joint, the buffer bracket and the buffer plate are integrated, only the upper joint is in threaded connection with the lower joint, and the installation and the disassembly are convenient.
Drawings
FIG. 1 is an external view of the present invention;
FIG. 2 is a sectional view of the internal structure of the present invention;
in the figure: 1, an upper joint 2 cushions a bracket 3, and a lower joint of a cushion plate 5.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
combine figure 1, as shown in figure 2, this kind of pressure release buffer includes top connection 1, buffering support 2, buffer board 3, lower clutch 4, top connection 1, lower clutch 4 is the reducing barrel, 1 one end of top connection is connected with the hose, form the cushion chamber behind the 1 other end of top connection and the 4 threaded connection of lower clutch, set up buffering support 2 in the cushion chamber, 2 one end welding of buffering support is inside 1 at the top connection, the inside shrink of the 2 other ends of buffering support and with buffer board welding 3 connect, lower clutch 4, buffer board 3, 1 coaxial core settings of top connection, lower clutch 4 and well head gate threaded connection.
The upper joint 1 is formed by connecting two sections of cylinders with different diameters into a whole, a circular truncated cone is formed at the joint, an internal thread is arranged at the small-diameter section of the upper joint 1, an external thread is arranged at the large-diameter section of the upper joint 1, the small-diameter section of the upper joint 1 is in threaded connection with a metal head of a water hose, and the large-diameter section of the upper joint 1 is in threaded connection with the lower joint 4.
The lower joint 4 is formed by connecting two sections of cylinders with different diameters into a whole, both ends of the lower joint 4 are provided with external threads, the small-diameter section of the lower joint 4 is in threaded connection with a wellhead gate, and the large-diameter section of the lower joint 4 is in threaded connection with the large-diameter section of the upper joint 1.
During installation, firstly the buffer support 2 and the buffer plate 3 are welded, and then the buffer support 2 is welded inside the upper joint 1 and the lower joint 4 are connected through threads. The lower joint 4 of the pressure relief buffer device is connected to the wellhead gate, the upper joint 1 is connected with the hose, and the pressure relief buffer device is connected between the wellhead gate and the hose.
The pressure relief method of the pressure relief buffer device comprises the following steps:
during the pressure release, open the well head gate and make high-pressure fluid in the well get into the inside back of pressure release buffer and directly produce the frontal impact with buffer board 3, high-pressure fluid is through twice back of turning back repeatedly, through the annular space between buffer board 3 and the cushion chamber, continue to go upward at the cushion chamber, from top connection 1 leaves pressure release buffer, at this moment, the fluid impact force is slowed down, fluid after the energy slows down gets into the hose, the fluid is not to the hose impact force, steadily enter into the tank wagon through the hose, the safety that brings because of the too big fluid impact force in the well has been reached, the hidden danger in the aspect of the environmental protection.
Claims (3)
1. The utility model provides a pressure release buffer which characterized in that: the pressure relief buffering device comprises an upper joint (1), a buffering support (2), a buffering plate (3) and a lower joint (4), wherein the upper joint (1) and the lower joint (4) are variable-diameter cylinders, one end of the upper joint (1) is connected with a hose, the other end of the upper joint (1) is in threaded connection with the lower joint (4) to form a buffering cavity, the buffering support (2) is arranged in the buffering cavity, one end of the buffering support (2) is welded in the upper joint (1), the other end of the buffering support (2) is inwards contracted and is in welded connection with the buffering plate (3), the lower joint (4), the buffering plate (3) and the upper joint (1) are coaxially arranged, and the lower joint (4) is in threaded connection with a wellhead gate; the buffer support (2) is composed of three buffer support plates, the end faces of one ends of the three buffer support plates are all welded on the circular table of the upper connector (1), the three buffer support plates are evenly distributed along the circumferential direction of the circular table, the side faces of the three buffer support plates are welded on the inner wall of the thick-diameter section of the upper connector (1), and the end faces of the other ends of the three buffer support plates are evenly welded on the buffer plate (3) along the circumferential direction; an annular space is arranged between the buffer plate (3) and the buffer cavity, and the buffer plate is not provided with a hole;
the pressure relief method of the pressure relief buffer device comprises the following steps: during pressure relief, a wellhead gate is opened to enable high-pressure fluid in the well to directly generate frontal impact with a buffer plate (3) after entering the interior of the pressure relief buffer device, the high-pressure fluid repeatedly turns back for two times and continuously goes upward at the buffer cavity through an annular space between the buffer plate (3) and the buffer cavity, an upper connector leaves the pressure relief buffer device, at the moment, the impact force of the fluid is relieved, the fluid after energy relief enters a hose, the fluid does not impact the hose, and the fluid stably enters a water tank truck through the hose.
2. The pressure relief cushioning device of claim 1, wherein: the water faucet is characterized in that the upper joint (1) is formed by integrally connecting two cylinders with different diameters, a circular truncated cone is formed at the joint, an internal thread is arranged on the small-diameter section of the upper joint (1), an external thread is arranged on the large-diameter section of the upper joint (1), the small-diameter section of the upper joint (1) is in threaded connection with a metal head of a water faucet belt, and the large-diameter section of the upper joint (1) is in threaded connection with the lower joint (4).
3. The pressure relief cushioning device of claim 2, wherein: the lower joint (4) is formed by connecting two sections of cylinders with different diameters into a whole, internal threads are arranged at two ends of the lower joint (4), the small-diameter section of the lower joint (4) is in threaded connection with a wellhead gate, and the large-diameter section of the lower joint (4) is in threaded connection with the large-diameter section of the upper joint (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010270670.0A CN111365553B (en) | 2020-04-08 | 2020-04-08 | Pressure relief buffer device and pressure relief method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010270670.0A CN111365553B (en) | 2020-04-08 | 2020-04-08 | Pressure relief buffer device and pressure relief method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111365553A CN111365553A (en) | 2020-07-03 |
| CN111365553B true CN111365553B (en) | 2022-08-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010270670.0A Active CN111365553B (en) | 2020-04-08 | 2020-04-08 | Pressure relief buffer device and pressure relief method thereof |
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| CN (1) | CN111365553B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1765602A2 (en) * | 1990-12-25 | 1992-09-30 | Пермское Высшее Военное Командно-Инженерное Краснознаменное Училище Ракетных Войск Им.Маршала Советского Союза В.И.Чуйкова | Hydraulic shock damper |
| CN2634308Y (en) * | 2003-02-20 | 2004-08-18 | 崔奇 | Pressure discharge fire retardant device |
| CN102150601B (en) * | 2011-04-25 | 2012-03-07 | 西安理工大学 | Microirrigation countercurrent energy-dissipation pressure regulator |
| CN207568823U (en) * | 2017-11-22 | 2018-07-03 | 中国石油天然气股份有限公司 | A kind of pressure relief buffering mechanism |
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2020
- 2020-04-08 CN CN202010270670.0A patent/CN111365553B/en active Active
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| CN111365553A (en) | 2020-07-03 |
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| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Song Guoliang Inventor after: Zhao Zhen Inventor after: Wang Jianping Inventor after: Zhang Chengli Inventor after: Han Zhonghua Inventor after: Ruan Guoliang Inventor before: Zhang Chengli Inventor before: Ruan Guoliang Inventor before: Wang Jianping Inventor before: Song Guoliang Inventor before: Han Zhonghua Inventor before: Zhao Zhen |
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