CN108843253A - A kind of compound lifting pumping unit oil pipe in underground and oil storing tube jointing - Google Patents
A kind of compound lifting pumping unit oil pipe in underground and oil storing tube jointing Download PDFInfo
- Publication number
- CN108843253A CN108843253A CN201810862365.3A CN201810862365A CN108843253A CN 108843253 A CN108843253 A CN 108843253A CN 201810862365 A CN201810862365 A CN 201810862365A CN 108843253 A CN108843253 A CN 108843253A
- Authority
- CN
- China
- Prior art keywords
- oil
- storing tube
- connection
- briquetting
- pumping unit
- Prior art date
- 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.)
- Pending
Links
Classifications
-
- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
-
- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/042—Threaded
Abstract
A kind of compound lifting pumping unit oil pipe in underground and oil storing tube jointing, including connection cover, oil feeding pipe joint, lower oil connection, gland, briquetting, oil storing tube.The upper end of connection cover is fixed between oil feeding pipe joint and lower oil connection by the present invention, and oil connection upper end box thread is connected by pipe screw thread under the male thread of upper oil pipe lower end, then connects oil storing tube by the equally distributed circular protrusions in connection cover lower end four；Briquetting is fixedly connected with the relative position of lid and oil storing tube；Gland is connect by nut with oil storing tube and briquetting, and the relative position of briquetting and oil storing tube is limited.The connection of compound lifting pumping unit oil storing tube and oil pipe may be implemented in the present invention, solves oil storing tube in the placement and fixation problem of underground, realizes the purpose to compound lifting pumping unit in underground oil storage.
Description
Technical field
The invention belongs to petroleum production engineering fields, and specifically a kind of compound lifting pumping unit oil pipe in underground and oil storing tube connect
Connector.
Background technique
With continually developing for oil gas field, reservoir pressure is constantly reduced, and oil liquid lifting difficulty continues to increase, in such case
Lower conventional pumping unit will appear many empty pump strokes.In order to solve this problem, there is compound lifting pumping unit.Compound act
Rising pumping unit can temporarily be stored into downhole crude in its oil storing tube, be then turned on electricity after liquid level in oil storing tube reaches requirement
Machine realizes oil pumping operation, it is possible to prevente effectively from wasting caused by empty pump.And the compound lifting type that is connected to of oil pipe and oil storing tube is taken out
It plays an important role in oil machine, a reasonable connection type ensure that receiving while the relative position of oil storing tube does not change
Oil storing tube and the weight for managing interior crude oil.Both at home and abroad for the research of compound lifting pumping unit still in starting stage, oil pipe and oil storage
Pipe connection is the key technology of the compound lifting pumping unit in underground, is still directed to the compound lifting pumping unit oil pipe in underground without scholar at present
Connection between oil storing tube proposes method and structure.
Summary of the invention
For the connectivity problem of oil storing tube under above-mentioned compound lifting rod-pumped well, the invention discloses a kind of compound acts in underground
Rise pumping unit oil pipe and oil storing tube jointing.
The technical scheme adopted by the invention is that：
A kind of compound lifting pumping unit oil pipe in underground and oil storing tube jointing include oil feeding pipe joint, connection cover, gland,
Briquetting, lower oil connection, oil storing tube, it is characterised in that：There are male thread, lower oil connection both ends to exist at oil feeding pipe joint both ends
Box thread, oil feeding pipe joint lower end male thread and lower oil connection upper end box thread are connected by pipe screw thread, in connection cover
End is stuck in the groove that upper and lower oil connection junction is formed, and is fixedly connected with the position of lid, connection cover lower end four is in uniform point
The circular protrusions of cloth are installed to the vacancy reserved on oil storage tube wall by joinery and its construction, limit circular protrusions diameter using briquetting
To displacement, by the threaded hole on gland, briquetting and oil storing tube are fixed with nut, prevent gland and oil storing tube from opposite position occurs
It moves.
The present invention has the following advantages that at work：
1, the present invention utilizes connection cover, and the weight of oil storing tube is added on oil pipe, is increased without additional equipment to undertake
Oil storing tube and the weight for managing interior crude oil.
2, easy for installation using the connection type of short circuit and Tenon, save the activity duration；Simplify underground structure, Ke Yishi
Present ground completes assembling and goes into the well together with oil pipe, improves operating efficiency.
3, the relative position of oil storing tube and briquetting is fixed up by the screw hole on gland, prevents briquetting and oil storing tube from diameter occurs
To relative displacement.
Detailed description of the invention
Fig. 1 is the internal structure signal of a kind of compound lifting pumping unit oil pipe in underground of the present invention and oil storing tube jointing
Figure.
Fig. 2 is schematic top plan view.
Fig. 3 is overall structure diagram
Fig. 4 is upper oil pipe schematic diagram.
Fig. 5 is connection cover schematic diagram.
Fig. 6 is gland schematic top plan view.
Fig. 7 faces for gland and schematic top plan view.
Fig. 8 is lower oil pipe schematic diagram.
Fig. 9 faces for oil storing tube and schematic top plan view.
Figure 10 is that the present invention connects the schematic diagram after oil pipe.
In figure：1 oil feeding pipe joint, 2 connection covers, 3 glands, 4 briquettings, 5 lower oil connections, 6 oil storing tubes, 7 oil pipes.
Specific embodiment
The present invention will be further described with reference to the accompanying drawing.
As shown in Figure 1, a kind of compound lifting pumping unit oil pipe in underground of the present invention and oil storing tube jointing, including upper oil pipe
Connector 1, connection cover 2, gland 3, briquetting 4, lower oil connection 5, oil storing tube 6.Referring to Fig. 4 and Fig. 8, oil feeding pipe joint 1 of the present invention
Lower end be with externally threaded pin end, lower 5 upper end of oil connection is band internal thread female connector, by oil feeding pipe joint 1
It is connected with lower oil connection 5 by pipe screw thread.The pin end of 1 upper end of oil feeding pipe joint is connected with oil pipe female connector, and lower oil pipe connects
First 5 lower end box thread is connected with the male thread of oil pipe.
As shown in figure 5, the circular protrusions that 2 lower end of connection cover is set are put into the vacancy on 6 tube wall of oil storing tube, connection cover is realized
2 and oil storing tube 6 connection.
As shown in fig. 7, the briquetting 4 can be directly externally attached on 6 tube wall of oil storing tube, limitation 2 lower end of connection cover is convex
The diametrically displacement based on 2 lower end boss of connection cover of platform and oil storing tube 6.
As shown in Fig. 6,7,9, gland 3 of the invention, 4 upper end of briquetting, 6 upper end of oil storing tube is drilled with threaded hole, by briquetting 4
After placing, gland 3 and oil storing tube 6 and briquetting 4 can be connected through a screw thread respectively, the phase of fixed briquetting 4 and oil storing tube 6
To position.
When installation, on the basis of following oil connection 5, by 2 upper end following table cover of connection cover in lower 5 upper end table of oil connection
Face is attached with the male thread of 1 lower end of oil feeding pipe joint and 5 upper end box thread of lower oil pipe, is also completed while realizing connection
The fixation of connection cover 2；Vacancy of the circular protrusions of 2 lower end of connection cover on oil storing tube 6 is caught in oil storing tube 6, and
The connection of connection cover 2 and oil storing tube 6 is realized with enhancing action by rotating.Briquetting 4 can be directly placed into oil storing tube 6 from outside
In vacancy, the position of the circular protrusions of 2 lower end of connection cover is completely fixed while the vacancy on oil storing tube 6 is all filled up,
Prevent connection cover 2 from moving in the vacancy of 6 tube wall of oil storing tube；Gland 3 is covered onto oil storing tube 6, when 3 threaded hole of gland and oil storage
After threaded hole on pipe 6 and briquetting 4 corresponds to, uses nut to complete to fix, limit the relative position of briquetting 4 and oil storing tube 6, complete
The installation of entire jointing.The pin end of oil pipe 7 passes through the female connector connection of lower 5 connector lower end of oil pipe and the mother of oil pipe 7
Connector connects latter with going into the well with the upper end pin end of upper 1 connector of oil pipe.
Claims (2)
1. a kind of compound lifting pumping unit oil pipe in underground and oil storing tube jointing, including oil feeding pipe joint (1), connection cover (2),
Gland (3), briquetting (4), lower oil connection (5), oil storing tube (6), it is characterised in that：Oil feeding pipe joint both ends are male thread, under
Oil connection both ends are box thread, and the male thread of oil feeding pipe joint lower part is connected with the box thread on lower oil connection top, are connected
Oil feeding pipe joint can be stuck in and connect in the groove to be formed with lower oil connection by covering end, be fixedly connected with the position of lid, connection cover
Lower end be installed to the vacancy on oil storage tube wall there are four the circular protrusions that are evenly distributed and realize connection cover and oil storing tube
Connection.
2. the compound lifting pumping unit oil pipe in a kind of underground according to claim 1 and oil storing tube jointing, feature exist
In：The circular protrusions of the connection cover lower end are installed to the vacancy on oil storage tube wall with joinery and its construction, are limited by briquetting
After circular protrusions radial displacement, oil storing tube weight is transmitted on oil pipe by connection cover, gland passes through threaded hole, will with nut
The relative position of briquetting and oil storing tube is fixed, and prevents briquetting from relatively moving on oil pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810862365.3A CN108843253A (en) | 2018-08-01 | 2018-08-01 | A kind of compound lifting pumping unit oil pipe in underground and oil storing tube jointing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810862365.3A CN108843253A (en) | 2018-08-01 | 2018-08-01 | A kind of compound lifting pumping unit oil pipe in underground and oil storing tube jointing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108843253A true CN108843253A (en) | 2018-11-20 |
Family
ID=64192471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810862365.3A Pending CN108843253A (en) | 2018-08-01 | 2018-08-01 | A kind of compound lifting pumping unit oil pipe in underground and oil storing tube jointing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108843253A (en) |
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| CN113323600A (en) * | 2021-06-30 | 2021-08-31 | 杨长也 | Petroleum casing joint |
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- 2018-08-01 CN CN201810862365.3A patent/CN108843253A/en active Pending
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| US4386870A (en) * | 1980-11-19 | 1983-06-07 | Baroody Terrance A | Structural tee joint |
| AU8288482A (en) * | 1981-05-14 | 1982-11-18 | Cedarapids, Inc | Joint assembly with inserts |
| CN1270136A (en) * | 1999-04-13 | 2000-10-18 | 梅明格-Iro股份有限公司 | Bobbin cradle |
| US20080107477A1 (en) * | 2004-10-02 | 2008-05-08 | Herbert Cermak | Connecting Assembly Between A Shaft Journal And A Constant Velocity Universal Joint With Threaded Sleeve |
| CN201347724Y (en) * | 2008-11-24 | 2009-11-18 | 张宝德 | Oil well casing joint sealing gland |
| CN201320747Y (en) * | 2008-12-19 | 2009-10-07 | 什邡慧丰采油机械有限责任公司 | Wellhead device pressed-on gate valve replacing tool |
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| CN108222891A (en) * | 2018-03-20 | 2018-06-29 | 西南石油大学 | A kind of composite oil pumping device of linear dynamo oil pump and electric submersible pump concatenation |
| CN208578522U (en) * | 2018-08-01 | 2019-03-05 | 西南石油大学 | A kind of compound lifting pumping unit oil pipe in underground and oil storing tube jointing |
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