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 PDF

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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
Application number
CN201810862365.3A
Other languages
Chinese (zh)
Inventor
黄志强
王若豪
黄琴
陈波
何磊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Southwest Petroleum University
Original Assignee
Southwest Petroleum University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Southwest Petroleum University filed Critical Southwest Petroleum University
Priority to CN201810862365.3A priority Critical patent/CN108843253A/en
Publication of CN108843253A publication Critical patent/CN108843253A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02Couplings; joints
    • E21B17/04Couplings; joints between rod or the like and bit or between rod and rod or the like
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02Couplings; joints
    • E21B17/04Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E21B17/042Threaded

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

A kind of compound lifting pumping unit oil pipe in underground and oil storing tube jointing
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.
CN201810862365.3A 2018-08-01 2018-08-01 A kind of compound lifting pumping unit oil pipe in underground and oil storing tube jointing Pending CN108843253A (en)

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

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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)

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CN (1) CN108843253A (en)

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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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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
CN201407001Y (en) * 2009-05-14 2010-02-17 东营市众磊石油技术开发有限责任公司 Anti-deviation and abrasion correcting device for oil pumping rod of oil tube
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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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