CN210049869U - Blowout-prevention oil drainage tool - Google Patents
Blowout-prevention oil drainage tool Download PDFInfo
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- CN210049869U CN210049869U CN201920967932.1U CN201920967932U CN210049869U CN 210049869 U CN210049869 U CN 210049869U CN 201920967932 U CN201920967932 U CN 201920967932U CN 210049869 U CN210049869 U CN 210049869U
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Abstract
The utility model discloses a prevent spouting draining instrument, including the main part of tube-shape and the coupling of tube-shape, the upper and lower section of tube-shape main part all has external connection screw thread, and the upper and lower section of tube-shape coupling all has internal connection screw thread, and the tube-shape main part is connected with the internal connection screw thread fit threaded connection of the external connection screw thread of its hypomere and tube-shape coupling upper segment, is equipped with the blowout prevention valve in the tube-shape main part, has seted up first draining hole on the lateral wall of tube-shape main part one side, and the rupture disk has been pressed through first clamping ring in the first draining hole, seted up second draining hole on the lateral wall of tube-shape main part opposite side, the downthehole cartridge that has through second clamping ring pressfitting of second draining, and this cartridge has and stretches into barrel in the tube-shape main part and the hem that links to each other with the barrel top, the hem that the second clamping ring passes through the barrel top. Use the utility model discloses the blowout trouble that appears when later can effectively prevent oil pipe from lifting.
Description
Technical Field
The utility model relates to a technical equipment who uses in the beam-pumping well in the oil development field, specifically speaking relate to a prevent spouting draining instrument.
Background
The blowout prevention oil drainage tool comprises a cylindrical main body and a cylindrical coupling, wherein the upper section and the lower section of the cylindrical main body are respectively provided with an external connecting thread, the upper section and the lower section of the cylindrical coupling are respectively provided with an internal connecting thread, the cylindrical main body is in threaded connection with the external connecting thread of the lower section of the cylindrical main body and the internal connecting thread of the upper section of the cylindrical coupling in a matching manner, a blowout prevention valve is arranged in the cylindrical main body, a first oil drainage hole is formed in the side wall of one side of the cylindrical main body, and a rupture disc is arranged in the first oil drainage hole through a first pressing ring in a. When the oil pumping rod string is put in place, the plunger touches the pump valve bonnet, so that the blowout prevention valve can be opened and unsealed, and normal oil pumping operation is realized.
When an oil pipe needs to be cleaned in maintenance operation of the pumping well, the rupture disk on one side of the tubular main body of the blowout-preventing oil drainage tool needs to be blasted and impacted in a pressing mode, but the condition that the rupture disk cannot be blasted and impacted in the actual operation process often occurs, so that a well blowout phenomenon occurs when the oil pipe is lifted.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a prevent spouting draining instrument, use the utility model discloses the blowout trouble that appears when later can effectively prevent oil pipe from lifting.
In order to solve the technical problem, the utility model relates to a blowout prevention oil drainage tool, which comprises a cylindrical main body and a cylindrical coupling, wherein the upper section and the lower section of the cylindrical main body are respectively provided with an external connecting thread, the upper section and the lower section of the cylindrical coupling are respectively provided with an internal connecting thread, the cylindrical main body is in threaded connection with the internal connecting thread at the upper section of the cylindrical coupling by the external connecting thread at the lower section, a blowout prevention valve is arranged in the cylindrical main body, a first oil drainage hole is arranged on the side wall at one side of the cylindrical main body, a rupture disk is pressed in the first oil drainage hole by a first pressing ring, a second oil drainage hole is arranged on the side wall of the other side of the cylindrical main body, a blasting cartridge is pressed in the second oil drainage hole through a second pressing ring, the blasting cartridge is provided with a cartridge body extending into the cylindrical main body and a folded edge connected with the top of the cartridge body, and the second pressing ring presses the blasting cartridge in the second oil drainage hole through the folded edge connected with the top of the cartridge body.
As the improvement of the utility model, the blowout prevention valve include valve bonnet and case, the case passes through the screw rod and adorns on the collar of valve bonnet bottom, is located to be equipped with the apical ring on the screw rod between collar and the case, is located to be equipped with spring, screw rod on the screw rod of collar top and can slide in the collar.
Adopt the blowout prevention draining tool of above-mentioned structure, the mounting means is the same with prior art during the use, installs between oil-well pump section of thick bamboo and standing valve, when maintaining the pumping well, need lift oil pipe, injects high-pressure steam into oil pipe through the high-pressure pump like with prior art, drops into the striker rod simultaneously, and high-pressure steam strikes rupture disk in, the striker rod striking rupture disk, the utility model discloses even the condition that the blasting piece appears the blasting failure, the striker rod also can strike the barrel of rupture disk to switch on second draining hole, realize the purpose of draining, the blowout phenomenon when can not appearing lifting oil pipe. The utility model discloses well external diameter that is used for striking the impact bar of blasting cartridge will be less than oil pipe's internal diameter, can free fall when guaranteeing the impact bar to drop into in the oil pipe.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 is the utility model discloses a prevent spouting drainage instrument's sectional structure schematic diagram.
Fig. 2 is the utility model relates to a prevent spouting the sectional structure schematic diagram of the explosive cartridge in the draining instrument of spouting.
Detailed Description
Referring to fig. 1 and 2, the utility model relates to a blowout prevention oil drainage tool, which comprises a tubular main body 100 and a tubular coupling 200, wherein the upper and lower sections of the tubular main body are respectively provided with an external connecting thread 101, the upper and lower sections of the tubular coupling are respectively provided with an internal connecting thread 201, the tubular main body is in matching threaded connection with the external connecting thread 101 of the lower section and the internal connecting thread 201 of the upper section of the tubular coupling, a blowout prevention valve 300 is arranged in the tubular main body, a first oil drainage hole 102 is arranged on the side wall of one side of the tubular main body, a rupture disk 104 is pressed in the first oil drainage hole through a first pressing ring 103, a second oil drainage hole 105 is arranged on the side wall of the other side of the cylindrical main body, a blasting cartridge 107 is pressed in the second oil drainage hole through a second pressing ring 106, the blasting cartridge is provided with a cartridge body 108 extending into the cylindrical main body and a folding edge 109 connected with the top of the cartridge body, and the second pressing ring 106 presses the blasting cartridge 107 in the second oil drainage hole 105 through the folding edge 109 connected with the top of the cartridge body. The axis of the cylinder 108 is perpendicular to the axis of the cylindrical body 100. The blowout prevention valve 300 comprises a valve cover 301 and a valve core 302, wherein the valve core is arranged on an installation ring 304 at the bottom of the valve cover through a screw 303, a top ring 305 is arranged on the screw between the installation ring and the valve core, a spring 306 is arranged on the screw above the installation ring, and the screw 303 can slide in the installation ring 304.
Claims (2)
1. The utility model provides a prevent spouting draining instrument, coupling (200) including main part (100) and the tube-shape of tube-shape, the upper and lower section of tube-shape main part all has external connection screw thread (101), the upper and lower section of tube-shape coupling all has internal connection screw thread (201), the tube-shape main part is connected with the internal connection screw thread (201) cooperation screw thread of external connection screw thread (101) and tube-shape coupling upper segment of its hypomere, prevent spouting valve (300) are equipped with in the tube-shape main part, first draining hole (102) have been seted up on the lateral wall of tube-shape main part one side, it is equipped with rupture disk (104) through first clamping ring (103) pressure in the first draining hole, its characterized in that: and a second oil drainage hole (105) is formed in the side wall of the other side of the cylindrical main body, a blasting cartridge (107) is arranged in the second oil drainage hole in a pressing mode through a second pressing ring (106), the blasting cartridge is provided with a cartridge body (108) extending into the cylindrical main body and a folding edge (109) connected with the top of the cartridge body, and the second pressing ring (106) presses the blasting cartridge (107) in the second oil drainage hole (105) through the folding edge (109) connected with the top of the cartridge body.
2. A blowout prevention drainage tool as set forth in claim 1 wherein: the blowout prevention valve (300) comprises a valve cover (301) and a valve core (302), the valve core is arranged on an installation ring (304) at the bottom of the valve cover through a screw rod (303), a top ring (305) is arranged on the screw rod between the installation ring and the valve core, a spring (306) is arranged on the screw rod above the installation ring, and the screw rod (303) can slide in the installation ring (304).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920967932.1U CN210049869U (en) | 2019-06-26 | 2019-06-26 | Blowout-prevention oil drainage tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920967932.1U CN210049869U (en) | 2019-06-26 | 2019-06-26 | Blowout-prevention oil drainage tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210049869U true CN210049869U (en) | 2020-02-11 |
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ID=69397762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920967932.1U Active CN210049869U (en) | 2019-06-26 | 2019-06-26 | Blowout-prevention oil drainage tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210049869U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114961633A (en) * | 2022-05-07 | 2022-08-30 | 中石化石油工程技术服务有限公司 | Well cementation casing string of high friction resistance borehole |
| CN115142812A (en) * | 2022-09-02 | 2022-10-04 | 东营华辰石油装备有限公司 | Oil field has promotion formula bleeder that has pressure buffer function |
-
2019
- 2019-06-26 CN CN201920967932.1U patent/CN210049869U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114961633A (en) * | 2022-05-07 | 2022-08-30 | 中石化石油工程技术服务有限公司 | Well cementation casing string of high friction resistance borehole |
| CN114961633B (en) * | 2022-05-07 | 2024-05-28 | 中石化石油工程技术服务有限公司 | Well cementation casing string of high friction well bore |
| CN115142812A (en) * | 2022-09-02 | 2022-10-04 | 东营华辰石油装备有限公司 | Oil field has promotion formula bleeder that has pressure buffer function |
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