CN205297450U - Tubing pump bottom blanking plug and tubing pump tubular column - Google Patents
Tubing pump bottom blanking plug and tubing pump tubular column Download PDFInfo
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- CN205297450U CN205297450U CN201521002532.5U CN201521002532U CN205297450U CN 205297450 U CN205297450 U CN 205297450U CN 201521002532 U CN201521002532 U CN 201521002532U CN 205297450 U CN205297450 U CN 205297450U
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- tubing pump
- blanking plug
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- standing valve
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Abstract
The utility model provides a tubing pump bottom blanking plug and tubing pump tubular column, the tubing pump bottom blanking plug is cylindricly, and the tubing pump bottom blanking plug includes that top section external diameter is less than main part section external diameter along blanking plug top section, main part section and base section that the axial set gradually, and main part section external diameter is less than base section external diameter, and the left end of top section is equipped with the toper section, is provided with a plurality of sealed seal grooves that support the rubber ring that are used for holding in the main part section. The effect of the convenient multifunctional horizontal discharger is beneficial in that, the embodiment of the utility model provides an in tubing pump bottom blanking plug have simple structure, simple to operate and tubing pump bottom blanking plug and destroy the advantage that pressure is low, can install that to go into the well the in -process at tubing pump bottom holding tube post sealed, can guarantee the pumpingh well after lower intact tubular column is destroyed and normally pump. Thereby guarantee controllable not kill -job and area and press the construction of workover safety, prevent the oil gas polluted environment of operation overflow play, reduce the workover cost.
Description
Technical field
This utility model relates to petroleum industry well workover technology field, specifically blanking plug and tubing pump tubing string bottom a kind of tubing pump.
Background technology
Traditional tubing pump tubing string is generally made up of oil pipe, tubing pump, screen casing and plug, owing to the standing valve of tubing pump can only keep tubing string to lower seal, cannot prevent down-hole oil gas from upwards scurrying out, therefore when slight overflow oil well is taked Operating Pressure, lower pump line process is necessary for take a kind of device to prevent tubing string overflow, ensures construction safety.
Chinese patent CN104343409A, August 9 2013 publication date, disclosing " bottom a kind of controlled no killing well workover treatment tubing pump tubing string blocking device ", this device is made up of standing valve push rod, blanking plug main body, support spring, closure piston, position-limitting pin, sealing ring and shear pin. Although can keep when Operating Pressure lower tubular column sealing, under complete tubing string destroy closure piston after can normally pump, but application process also exists blanking plug at the scene destroy the problem that pressure is higher.
Utility model content
Destroying, in order to what overcome existing blanking plug, the deficiency that pressure is higher, this utility model provides blanking plug and tubing pump tubing string bottom a kind of tubing pump, destroys pressure with what reduce blanking plug, it is prevented that oil gas overflow.
This utility model solves its technical problem and be the technical scheme is that blanking plug bottom a kind of tubing pump, bottom this tubing pump, blanking plug is cylindrical, bottom this tubing pump, blanking plug includes the blanking plug top section, main paragraph and the base section that set gradually from left to right vertically, the external diameter of top section is less than the external diameter of main paragraph, the external diameter of main paragraph is less than the external diameter of base section, the left end of top section is provided with conical section, main paragraph is provided with multiple for holding the sealed groove sealing support cushion rubber.
Further, on main paragraph, the spacing distance of each two this sealed groove adjacent is 13mm��17mm.
Further, main paragraph being provided with two and seals, for holding, the sealed groove supporting cushion rubber, the spacing distance of two these sealed grooves is 15mm.
Further, the ratio of external diameter and the external diameter of main paragraph of blanking plug top section is 4:6, and the ratio of the external diameter of main paragraph and the external diameter of base section is 6:7.4.
Further, bottom this tubing pump, blanking plug is contained within axially disposed blind hole, and the opening of this blind hole is positioned at the right side with base section, and the blind end of this blind hole is positioned at the left side with main paragraph.
Further, the top of this conical section is towards left side, and the bottom of this conical section, towards right side, is equipped with sealing and supports cushion rubber in this sealed groove each.
Further, this sealing supports cushion rubber is that hard refractory hydrogenated butyronitrile seals support cushion rubber.
This utility model additionally provides a kind of tubing pump tubing string, including the standing valve being vertically connected with and screen casing, blanking plug bottom tubing pump it is provided with in bottom this standing valve, this tubing pump blanking plug is blanking plug bottom above-mentioned tubing pump, the diameter of main paragraph is suitable with the internal diameter of this standing valve, top section can back down the standing valve ball on the standing valve ball seat of standing valve from bottom to top, and base section diameter is more than the minimum diameter less than screen casing of the most imperial palace latus rectum bottom standing valve.
Further, the upper end of screen casing is provided with screen casing top connection, and this screen casing top connection is connected to the lower end of standing valve.
Further, the external diameter of the top section of this tubing pump blanking plug is less than this standing valve seat ball seat internal diameter, and vertically, the length of this top section is more than the height of this standing valve seat ball seat.
The beneficial effects of the utility model are, bottom tubing pump in this utility model embodiment, blanking plug has blanking plug bottom simple in construction, easy for installation and tubing pump and destroys the advantage that pressure is low, may be mounted at and keep tubing string to go into the well bottom tubing pump sealing in process, completion pressure testing can guarantee that again after destroying that oil well is normally pumped. Thus ensureing controlled no killing well and workover treatment safe construction with pressure, it is prevented that the oil vapour pollution environment that operation overflow goes out, reduce workover treatment cost.
Accompanying drawing explanation
The Figure of description constituting the part of the application is used for providing being further appreciated by of the present utility model, and schematic description and description of the present utility model is used for explaining this utility model, is not intended that improper restriction of the present utility model. In the accompanying drawings:
Fig. 1 is the structural representation of blanking plug embodiment bottom this utility model tubing pump;
Fig. 2 is the tubing string schematic internal view bottom installation tubing pump after blanking plug.
Accompanying drawing labelling in figure: 1, top section; 2, main paragraph; 3, base section; 4, support cushion rubber is sealed; 5, oil well pump lower contact; 6, standing valve; 7, screen casing; 8, screen casing top connection; 9, standing valve ball seat.
Detailed description of the invention
It should be noted that when not conflicting, the embodiment in the application and the feature in embodiment can be mutually combined. Describe this utility model below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
As shown in Figure 1, this utility model embodiment provides blanking plug bottom a kind of tubing pump, bottom this tubing pump, blanking plug is cylindrical, bottom this tubing pump, blanking plug includes the blanking plug top section 1, main paragraph 2 and the base section 3 that are sequentially connected with from left to right vertically, the external diameter of top section 1 is less than the external diameter of main paragraph 2, the external diameter of main paragraph 2 is less than the external diameter of base section 3, the left end of top section 1 is provided with conical section, the top of this conical section is towards left side, and the bottom of this conical section is towards right side.Main paragraph 2 is provided with multiple for holding the sealed groove sealing support cushion rubber 4.
Bottom tubing pump in this utility model embodiment, blanking plug has blanking plug bottom simple in construction, easy for installation and tubing pump and destroys the advantage that pressure is low, may be mounted at and keep tubing string to go into the well bottom tubing pump sealing in process, completion can guarantee that again after destroying that oil well is normally pumped. Thus ensureing controlled no killing well and workover treatment safe construction with pressure, it is prevented that the oil vapour pollution environment that operation overflow goes out, reduce workover treatment cost.
On main paragraph 2, the spacing distance of each two this sealed groove adjacent is 13mm��17mm. Specifically, the main paragraph 2 in this utility model embodiment being provided with two and seals, for holding, the sealed groove supporting cushion rubber 4, the spacing distance of two these sealed grooves is 15mm. Above-mentioned sealing supports the hard refractory hydrogenated butyronitrile that cushion rubber 4 is resistance to 150 DEG C and seals support cushion rubber, and this sealing supports cushion rubber 4 also can play, playing sealing function, the effect supporting and hanging to main paragraph 2. Sealed groove in this utility model embodiment is when above-mentioned spacing distance, it is ensured that maximum support and suspension force, so that main paragraph 2 keeps supporting & stablizing.
The ratio of external diameter and the external diameter of main paragraph 2 of above-mentioned blanking plug top section 1 is 4:6, and the ratio of the external diameter of main paragraph 2 and the external diameter of base section 3 is 6:7.4. In this utility model embodiment, the external diameter of blanking plug top section 1 is sized to 24��26mm. The external diameter of main paragraph 2 is sized to 36mm��38mm. The external diameter of base section 3 is sized to 46mm��48mm.
As it is shown in figure 1, blanking plug is contained within axially disposed blind hole bottom this tubing pump, the opening of this blind hole is positioned at and the right side of base section 3, and the blind end of this blind hole is positioned at and the left side of main paragraph 2. Arranging blind hole, making blanking plug bottom tubing pump is hollow form, it is possible to reduce the weight of blanking plug bottom this utility model tubing pump, and the suspension making sealing support cushion rubber 4 is more firm.
This utility model embodiment additionally provides a kind of tubing pump tubing string, including the standing valve 5 being vertically connected with and screen casing 7, it is provided with blanking plug bottom above-mentioned tubing pump in bottom this standing valve 5, when bottom this tubing pump, blanking plug is arranged in this standing valve 5, this tubing pump tubing string keeps sealing, and the external diameter of main paragraph 2 is suitable with the internal diameter of this standing valve 5. Top section 1 can back down the standing valve ball on the standing valve seat 9 of this standing valve 5 from bottom to top.
Further, the base section 3 in this utility model embodiment is arranged at the bottom of this standing valve 5. The diameter of base 3 is more than the most imperial palace latus rectum bottom standing valve 5, and the diameter of base 3 is less than the minimum diameter of screen casing 7. The upper end of screen casing 7 is provided with screen casing top connection 6 and plug, and this screen casing top connection 6 is connected to the lower end of standing valve 5, as shown in Figure 2. Bottom above-mentioned tubing pump, blanking plug can be driven into screen casing.
Tubing pump tubing string in this utility model embodiment is applied under controlled no killing well and Operating Pressure before pump line, in first oil pipe blanking plug bottom this tubing pump being filled in tubing pump from bottom, and guarantees that standing valve ball is backed down. Under enter process and to remain a constant speed down, well head of forbidding fiercely to pause. Under first do not want pressure testing after complete pump line, until under after complete sucker rod, lift up pump piston and go out seating nipple, then destroying can normal pressure testing and oil pumping after blanking plug bottom tubing pump.
In from the description above, can be seen that, this utility model the above embodiments achieve following technique effect: bottom the tubing pump in this utility model embodiment, blanking plug has blanking plug bottom simple in construction, easy for installation and tubing pump and destroys the advantage that pressure is low, may be mounted at and keep tubing string to go into the well bottom tubing pump sealing in process, completion can guarantee that again after destroying that oil well is normally pumped. Thus ensureing controlled no killing well and workover treatment safe construction with pressure, it is prevented that the oil vapour pollution environment that operation overflow goes out, reduce workover treatment cost.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for a person skilled in the art, this utility model can have various modifications and variations. All within spirit of the present utility model and principle, any amendment of making, equivalent replacement, improvement etc., should be included within protection domain of the present utility model.
Claims (10)
1. blanking plug bottom a tubing pump, it is characterized in that, bottom this tubing pump, blanking plug is cylindrical, bottom this tubing pump, blanking plug includes blanking plug top section (1) set gradually from left to right vertically, main paragraph (2) and base section (3), the external diameter of top section (1) is less than the external diameter of main paragraph (2), the external diameter of main paragraph (2) is less than the external diameter of base section (3), the left end of top section (1) is provided with conical section, main paragraph (2) is provided with multiple for holding the sealed groove sealing support cushion rubber (4).
2. blanking plug bottom tubing pump according to claim 1, it is characterised in that on main paragraph (2), the spacing distance of each two this sealed groove adjacent is 13mm��17mm.
3. blanking plug bottom tubing pump according to claim 1, it is characterised in that being provided with two on main paragraph (2) and seal, for holding, the sealed groove supporting cushion rubber (4), the spacing distance of two these sealed grooves is 15mm.
4. blanking plug bottom tubing pump according to claim 1, it is characterized in that, the ratio of the external diameter of blanking plug top section (1) and the external diameter of main paragraph (2) is 4:6, and the ratio of the external diameter of the external diameter of main paragraph (2) and base section (3) is 6:7.4.
5. blanking plug bottom tubing pump according to claim 1, it is characterized in that, bottom this tubing pump, blanking plug is contained within axially disposed blind hole, the opening of this blind hole is positioned at and the right side of base section (3), and the blind end of this blind hole is positioned at and the left side of main paragraph (2).
6. blanking plug bottom tubing pump according to claim 1, it is characterised in that the top of this conical section is towards left side, and the bottom of this conical section, towards right side, is equipped with sealing and supports cushion rubber (4) in this sealed groove each.
7. blanking plug bottom tubing pump according to claim 6, it is characterised in that this sealing supports cushion rubber (4) and seals support cushion rubber for hard refractory hydrogenated butyronitrile.
8. a tubing pump tubing string, including the standing valve (5) being vertically connected with and screen casing (7), this standing valve (5) is provided with blanking plug bottom tubing pump in bottom, it is characterized in that, this tubing pump blanking plug is blanking plug bottom tubing pump according to claim 1, the diameter of main paragraph (2) is suitable with the internal diameter of this standing valve (5), top section (1) can back down the standing valve ball on the standing valve ball seat (9) of standing valve (5) from bottom to top, base section (3) diameter more than the most imperial palace latus rectum of standing valve (5) bottom less than the minimum diameter of screen casing (7).
9. tubing pump tubing string according to claim 8, it is characterised in that the upper end of screen casing (7) is provided with screen casing top connection (6), this screen casing top connection (6) is connected to the lower end of standing valve (5).
10. tubing pump tubing string according to claim 8, it is characterized in that, the external diameter of the top section (1) of this tubing pump blanking plug is less than this standing valve seat ball seat (9) internal diameter, vertically, the length of this top section (1) is more than the height of this standing valve seat ball seat (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521002532.5U CN205297450U (en) | 2015-12-07 | 2015-12-07 | Tubing pump bottom blanking plug and tubing pump tubular column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521002532.5U CN205297450U (en) | 2015-12-07 | 2015-12-07 | Tubing pump bottom blanking plug and tubing pump tubular column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205297450U true CN205297450U (en) | 2016-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521002532.5U Active CN205297450U (en) | 2015-12-07 | 2015-12-07 | Tubing pump bottom blanking plug and tubing pump tubular column |
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| CN (1) | CN205297450U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113758687A (en) * | 2020-05-19 | 2021-12-07 | 中国石油天然气股份有限公司 | Pump pipe pressure testing device and method of screw pump |
-
2015
- 2015-12-07 CN CN201521002532.5U patent/CN205297450U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113758687A (en) * | 2020-05-19 | 2021-12-07 | 中国石油天然气股份有限公司 | Pump pipe pressure testing device and method of screw pump |
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