WO2016004797A1 - Oil-pumping polished rod motion-following sealer - Google Patents

Oil-pumping polished rod motion-following sealer Download PDF

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Publication number
WO2016004797A1
WO2016004797A1 PCT/CN2015/079685 CN2015079685W WO2016004797A1 WO 2016004797 A1 WO2016004797 A1 WO 2016004797A1 CN 2015079685 W CN2015079685 W CN 2015079685W WO 2016004797 A1 WO2016004797 A1 WO 2016004797A1
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WIPO (PCT)
Prior art keywords
rod
sealing
gland
oil
cup
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PCT/CN2015/079685
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French (fr)
Chinese (zh)
Inventor
刘玉玺
刘蕾
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刘玉玺
刘蕾
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Publication of WO2016004797A1 publication Critical patent/WO2016004797A1/en

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    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B33/00—Sealing or packing boreholes or wells
    • E21B33/02—Surface sealing or packing
    • E21B33/03—Well heads; Setting-up thereof

Definitions

  • the utility model relates to a sucking polished rod follow-up tracking sealer, in particular to a sucking rod follower tracking sealer used when the sucking rod is deviated from the center of the sealed box.
  • the oil well sealer generally does not follow the function of tracking the oil rod seal.
  • the eccentric wear of the sealing packing occurs, which accelerates the wear and tear of the sealing packing, thereby causing the oil well to leak.
  • the purpose of the utility model is to design a sucking and polishing rod follow-up tracking sealer, the sealing packing can follow the center of the pumping light rod, and the eccentric wear of the sealing filler does not occur, thereby prolonging the service life of the sealing packing and preventing the oil well oil. leakage.
  • the utility model provides a sucking rod follower tracking sealer, which comprises a pumping rod, a sealing box, a sealing gasket, a follower cup, a sealing packing, a pressure sleeve, a gland, a bolt, a washer, a lubricant and a gland handle. Wait.
  • the pumping rod is a smooth round rod to enhance sealing and reduce motion resistance.
  • the sealing box has a cylindrical shape, and the inner cavity is a cylindrical cavity. The bottom of the inner cavity has a circular hole in the center for the oil rod to pass through.
  • the lower part of the sealing box has internal threads for connection with the wellhead, and the upper part of the sealing box has external threads. In order to connect with the gland.
  • the gasket is in the form of a circular sheet with a round hole in the center for the oil absorbing rod to pass through, and the gasket prevents crude oil from entering the cavity of the sealed box.
  • the follower cup is a cylindrical cup, inside The cavity is a cylindrical cavity, and the bottom of the inner cavity has a circular hole in the center so that the oil absorbing rod passes through, and the bottom of the moving cup has a chamfer to reduce the sliding resistance of the bottom of the follower cup, and the sealing packing is loaded and followed.
  • the pressure sleeve is cylindrical and has a round hole at the center for the oil absorbing rod to pass through, and a flange is formed on the upper portion thereof to facilitate the removal of the pressure sleeve from the follower cup.
  • the gland is cylindrical and has a round hole in the center for the oil rod to pass through.
  • the gland has internal threads and cooperates with the external thread of the sealing box.
  • the gland has bolts and washers to facilitate the addition of lubricant and pressure.
  • the outside of the cover has a gland handle for tightening the gland. Lubricant is added to the chamber of the seal box and gland to lubricate the contact surfaces of the gasket and the follower cup.
  • the oil absorbing rod follows the tracking sealer.
  • the sealing box When in use, the sealing box is first installed on the wellhead through the oil absorbing rod, and the sealing gasket is installed on the bottom of the inner cavity of the sealing box through the oil absorbing rod, and the following cup is used. Installed in the inner cavity of the sealed box through the oil absorbing rod, pressed on the gasket, and then the sealing packing is loaded into the follower cup, and the pressure sleeve is inserted into the follower cup through the oil absorbing rod, and pressed in the seal On the packing, then install the gland through the pumping rod on the sealing box, tighten the gland, remove the bolts, add lubricant, and finally tighten the bolts.
  • the utility model has the advantages that the sucking rod follows the tracking sealer.
  • the sealing packing and the pressing sleeve can follow the pumping rod, the sealing packing is always aligned.
  • At the center of the oil rod there is no eccentric wear, which can prolong the service life of the sealing packing and prevent the oil well from leaking.
  • FIG. 1 is a front cross-sectional view showing a cylindrical cavity of a follower cup of a pumping rod follower sealing sealer according to an embodiment of the present invention
  • FIG. 2 is a front cross-sectional view of the upper portion of the inner surface of the follower cup of the pumping rod follower sealing sealer according to an embodiment of the present invention, which is a cylindrical cavity and a lower portion is a truncated cone.
  • 1-pumping rod 2-sealed box, 3-seal mat, 4-swivel cup, 5-seal packing, 6-sleeve, 7-cap, 8-bolt, 9-gasket, 10-lubricant , 11- gland handle.
  • the oil-sucking rod follow-up tracking sealer provided by the embodiment shown in FIG. 1 includes a pumping rod 1, a sealing box 2, a sealing pad 3, a follower cup 4, a sealing packing 5, a pressing sleeve 6, and a pressing Cover 7, bolt 8, washer 9, lubricant 10, gland handle 11, and the like.
  • the pumping rod 1 is a smooth round rod to enhance the sealing and reduce the movement resistance.
  • the sealing box 2 is cylindrical, and its inner cavity is a cylindrical cavity. The bottom of the inner cavity has a circular hole in the center so that the oil absorbing rod 1 passes through, and the lower part of the sealing box 2 has internal threads for connection with the wellhead, and the sealed box 2 The upper portion has an external thread for connection to the gland 7.
  • the gasket 3 has a circular sheet shape with a circular hole in the center thereof so that the oil absorbing rod 1 passes therethrough, and the gasket 3 prevents crude oil from entering the cavity of the sealed casing 2.
  • the follower cup 4 is a cylindrical cup shape, and its inner cavity is a cylindrical cavity, and a circular hole is formed in the center of the bottom of the inner cavity, so that the oil absorbing rod 1 passes through, and the bottom of the moving cup 4 has a chamfer to reduce
  • the sealing packing 5 is loaded into the follower cup 4 with the sliding resistance at the bottom of the moving cup 4.
  • the pressure sleeve 6 has a cylindrical shape with a circular hole in the center thereof so that the oil absorbing rod 1 passes therethrough, and its upper portion has a flange to facilitate the removal of the pressure sleeve 6 from the follower cup 4.
  • the gland 7 is in the shape of a cylindrical cup, and has a round hole in the center thereof so that the oil absorbing rod 1 passes through, the gland 7 has internal threads, and the external thread of the sealing box 2
  • the gland 7 has a bolt 8 and a washer 9 for facilitating the addition of the lubricant 10, and the outside of the gland 7 has a gland handle 11 for tightening the gland 7.
  • the lubricant 10 is introduced into the cavity of the seal box 2 and the gland 7 to lubricate the contact faces of the gasket 3 and the follower cup 4.
  • the oil-sucking rod follow-up tracking sealer provided by the embodiment shown in FIG. 2 includes a pumping rod 1, a sealing box 2, a sealing pad 3, a follower cup 4, a sealing packing 5, a pressing sleeve 6, and a pressing Cover 7, bolt 8, washer 9, lubricant 10, gland handle 11, and the like.
  • the pumping rod 1 is a smooth round rod to enhance the sealing and reduce the movement resistance.
  • the sealing box 2 is cylindrical, and its inner cavity is a cylindrical cavity. The bottom of the inner cavity has a circular hole in the center so that the oil absorbing rod 1 passes through, and the lower part of the sealing box 2 has internal threads for connection with the wellhead, and the sealed box 2 The upper portion has an external thread for connection to the gland 7.
  • the gasket 3 has a circular sheet shape with a circular hole in the center thereof so that the oil absorbing rod 1 passes therethrough, and the gasket 3 prevents crude oil from entering the cavity of the sealed casing 2.
  • the follower cup 4 is a cylindrical cup shape, the upper part of the inner cavity is a cylindrical cavity body, and the lower part is a truncated cone-shaped cavity, and the bottom of the inner cavity has a circular hole at the center, so that the pumping light rod 1 passes through, and the follower cup 4
  • the bottom is chamfered to reduce the sliding resistance of the bottom of the follower cup 4, and the sealing packing 5 is loaded into the follower cup 4.
  • the pressure sleeve 6 has a cylindrical shape with a circular hole in the center thereof so that the oil absorbing rod 1 passes therethrough, and its upper portion has a flange to facilitate the removal of the pressure sleeve 6 from the follower cup 4.
  • the gland 7 is in the shape of a cylindrical cup, and has a round hole in the center thereof for the passage of the oil absorbing rod 1.
  • the gland 7 has internal threads, which cooperate with the external thread of the sealing box 2, and the gland 7 has bolts 8 and washers 9 thereon.
  • the outside of the gland 7 has a gland handle 11 for tightening the gland 7.
  • the lubricant 10 is introduced into the cavity of the seal box 2 and the gland 7 to lubricate the contact faces of the gasket 3 and the follower cup 4.
  • the oil absorbing rod follows the tracking sealer.
  • the sealing box 2 is first installed on the wellhead through the oil absorbing rod 1, and the sealing gasket 3 is installed through the oil absorbing rod 1 at the bottom of the inner cavity of the sealed box 2.
  • the follower cup 4 is installed in the inner cavity of the sealed casing 2 through the oil absorbing rod 1, pressed against the gasket 3, and then the sealing packing 5 is loaded into the follower cup 4, and the pressure sleeve 6 is drawn through
  • the oil rod 1 is loaded into the follower cup 4, pressed against the sealing packing 5, and then the gland 7 is mounted on the sealing box 2 through the pumping rod 1, the gland 7 is tightened, the bolt 8 is removed, and the lubricant is added. 10, finally tighten the bolt 8, you can use it.
  • the utility model has the advantages that the sucking rod follows the tracking sealer.
  • the sealing packing and the pressing sleeve can follow the pumping rod, the sealing packing is always aligned.
  • At the center of the oil rod there is no eccentric wear, which can prolong the service life of the sealing packing and prevent the oil well from leaking.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Pipe Accessories (AREA)
  • Sealing Devices (AREA)

Abstract

Provided is an oil-pumping polished rod motion-following sealer, in particular, an oil-pumping polished rod motion-following sealer suitable for use in the situation of an oil-pumping polished rod deviating from the center of a stuffing box. The invention comprises an oil-pumping polished rod (1), a stuffing box (2), a gasket (3), a motion-following packer cup (4), sealing stuffing material (5), a sliding sleeve (6), a gland (7), a bolt (8), a washer (9), a lubricant (10), and a gland handle (11). When the oil-pumping polished rod deviates from the center of the stuffing box, the motion-following packer cup, sealing stuffing material, and sliding sleeve follow the oil-pumping polished rod in translational motion, such that the sealing stuffing material is always aligned with the center of the polished rod, and partial wear does not occur; thus the service life of the sealing stuffing material is prolonged, preventing crude oil from spilling out of the oil well.

Description

抽油光杆随动跟踪密封器Pumping rod follower tracking sealer 技术领域Technical field
本实用新型涉及一种抽油光杆随动跟踪密封器，尤其是适用于抽油光杆偏离密封盒中心情况下使用的抽油光杆随动跟踪密封器。The utility model relates to a sucking polished rod follow-up tracking sealer, in particular to a sucking rod follower tracking sealer used when the sucking rod is deviated from the center of the sealed box.
背景技术Background technique
目前所使用的油井密封器，一般没有随动跟踪抽油光杆密封的功能。当抽油光杆偏离密封盒中心时，会发生密封填料的偏磨，加快了密封填料的磨损消耗，因而造成油井原油泄漏。At present, the oil well sealer generally does not follow the function of tracking the oil rod seal. When the pumping rod is offset from the center of the sealed box, the eccentric wear of the sealing packing occurs, which accelerates the wear and tear of the sealing packing, thereby causing the oil well to leak.
实用新型内容Utility model content
本实用新型的目的在于设计一种抽油光杆随动跟踪密封器，密封填料能随动跟踪抽油光杆的中心，不会发生密封填料的偏磨，因而延长密封填料的使用寿命，防止油井原油泄漏。The purpose of the utility model is to design a sucking and polishing rod follow-up tracking sealer, the sealing packing can follow the center of the pumping light rod, and the eccentric wear of the sealing filler does not occur, thereby prolonging the service life of the sealing packing and preventing the oil well oil. leakage.
本实用新型提供的抽油光杆随动跟踪密封器，其包括抽油光杆、密封盒、密封垫、随动料杯、密封填料、压套、压盖、螺栓、垫圈、润滑剂和压盖手柄等。抽油光杆为光滑的圆杆，以加强密封性，减小运动阻力。密封盒为圆柱形，其内腔为圆柱形腔体，内腔底部中心有圆孔，以便抽油光杆穿过，密封盒的下部有内螺纹，以便与井口连接，密封盒的上部有外螺纹，以便与压盖连接。密封垫为圆形片状，其中心有圆孔，以便抽油光杆穿过，密封垫防止原油进入密封盒的腔体内。随动料杯为圆柱杯状，其内 腔为圆柱形腔体，内腔底部中心有圆孔，以便抽油光杆穿过，随动料杯的底部有倒角，以减小随动料杯底部的滑动阻力，密封填料装入随动料杯内。压套为圆柱形，其中心有圆孔，以便抽油光杆穿过，其上部有凸缘，以便于压套从随动料杯内取出。压盖为圆柱杯状，其中心有圆孔，以便抽油光杆穿过，压盖有内螺纹，与密封盒的外螺纹相配合，压盖上有螺栓和垫圈，以便于添加润滑剂，压盖的外侧有压盖手柄，用以拧紧压盖。润滑剂加入密封盒和压盖的腔体内，以便对密封垫和随动料杯的接触面润滑。The utility model provides a sucking rod follower tracking sealer, which comprises a pumping rod, a sealing box, a sealing gasket, a follower cup, a sealing packing, a pressure sleeve, a gland, a bolt, a washer, a lubricant and a gland handle. Wait. The pumping rod is a smooth round rod to enhance sealing and reduce motion resistance. The sealing box has a cylindrical shape, and the inner cavity is a cylindrical cavity. The bottom of the inner cavity has a circular hole in the center for the oil rod to pass through. The lower part of the sealing box has internal threads for connection with the wellhead, and the upper part of the sealing box has external threads. In order to connect with the gland. The gasket is in the form of a circular sheet with a round hole in the center for the oil absorbing rod to pass through, and the gasket prevents crude oil from entering the cavity of the sealed box. The follower cup is a cylindrical cup, inside The cavity is a cylindrical cavity, and the bottom of the inner cavity has a circular hole in the center so that the oil absorbing rod passes through, and the bottom of the moving cup has a chamfer to reduce the sliding resistance of the bottom of the follower cup, and the sealing packing is loaded and followed. Inside the cup. The pressure sleeve is cylindrical and has a round hole at the center for the oil absorbing rod to pass through, and a flange is formed on the upper portion thereof to facilitate the removal of the pressure sleeve from the follower cup. The gland is cylindrical and has a round hole in the center for the oil rod to pass through. The gland has internal threads and cooperates with the external thread of the sealing box. The gland has bolts and washers to facilitate the addition of lubricant and pressure. The outside of the cover has a gland handle for tightening the gland. Lubricant is added to the chamber of the seal box and gland to lubricate the contact surfaces of the gasket and the follower cup.
该抽油光杆随动跟踪密封器，在使用时，先将密封盒穿过抽油光杆安装在井口上，将密封垫穿过抽油光杆安装在密封盒的内腔底部，将随动料杯穿过抽油光杆安装在密封盒的内腔里，压在密封垫上，然后将密封填料装入随动料杯内，将压套穿过抽油光杆装入随动料杯内，压在密封填料上，然后将压盖穿过抽油光杆安装在密封盒上，拧紧压盖，卸下螺栓，加入润滑剂，最后拧紧螺栓，就可以使用了。The oil absorbing rod follows the tracking sealer. When in use, the sealing box is first installed on the wellhead through the oil absorbing rod, and the sealing gasket is installed on the bottom of the inner cavity of the sealing box through the oil absorbing rod, and the following cup is used. Installed in the inner cavity of the sealed box through the oil absorbing rod, pressed on the gasket, and then the sealing packing is loaded into the follower cup, and the pressure sleeve is inserted into the follower cup through the oil absorbing rod, and pressed in the seal On the packing, then install the gland through the pumping rod on the sealing box, tighten the gland, remove the bolts, add lubricant, and finally tighten the bolts.
本实用新型的优点在于该抽油光杆随动跟踪密封器，当抽油光杆偏离密封盒中心时，由于随动料杯、密封填料和压套可以跟随抽油光杆平移，密封填料始终对准抽油光杆中心，不会发生偏磨，因而可以延长密封填料的使用寿命，防止油井原油泄漏。The utility model has the advantages that the sucking rod follows the tracking sealer. When the pumping rod is offset from the center of the sealing box, since the follower cup, the sealing packing and the pressing sleeve can follow the pumping rod, the sealing packing is always aligned. At the center of the oil rod, there is no eccentric wear, which can prolong the service life of the sealing packing and prevent the oil well from leaking.
附图说明DRAWINGS
图1是本实用新型实施例提供的抽油光杆随动跟踪密封器的随动料杯内腔为圆柱形腔体的主剖视图； 1 is a front cross-sectional view showing a cylindrical cavity of a follower cup of a pumping rod follower sealing sealer according to an embodiment of the present invention;
图2是本实用新型实施例提供的抽油光杆随动跟踪密封器的随动料杯内腔上部为圆柱形腔体、下部为圆台形腔体的主剖视图。2 is a front cross-sectional view of the upper portion of the inner surface of the follower cup of the pumping rod follower sealing sealer according to an embodiment of the present invention, which is a cylindrical cavity and a lower portion is a truncated cone.
在图1和图2中，In Figures 1 and 2,
1-抽油光杆，2-密封盒，3-密封垫，4-随动料杯，5-密封填料，6-压套，7-压盖，8-螺栓，9-垫圈，10-润滑剂，11-压盖手柄。1-pumping rod, 2-sealed box, 3-seal mat, 4-swivel cup, 5-seal packing, 6-sleeve, 7-cap, 8-bolt, 9-gasket, 10-lubricant , 11- gland handle.
具体实施方式detailed description
下面结合附图及实施例对本实用新型作进一步详细说明。The present invention will be further described in detail below with reference to the accompanying drawings and embodiments.
实施例1Example 1
如图1所示的本实施例提供的抽油光杆随动跟踪密封器，其包括抽油光杆1、密封盒2、密封垫3、随动料杯4、密封填料5、压套6、压盖7、螺栓8、垫圈9、润滑剂10和压盖手柄11等。抽油光杆1为光滑的圆杆，以加强密封性，减小运动阻力。密封盒2为圆柱形，它的内腔为圆柱形腔体，内腔底部中心有圆孔，以便抽油光杆1穿过，密封盒2的下部有内螺纹，以便与井口连接，密封盒2的上部有外螺纹，以便与压盖7连接。密封垫3为圆形片状，它的中心有圆孔，以便抽油光杆1穿过，密封垫3防止原油进入密封盒2的腔体内。随动料杯4为圆柱杯状，它的内腔为圆柱形腔体，内腔底部中心有圆孔，以便抽油光杆1穿过，随动料杯4的底部有倒角，以减小随动料杯4底部的滑动阻力，密封填料5装入随动料杯4内。压套6为圆柱形，它的中心有圆孔，以便抽油光杆1穿过，它的上部有凸缘，以便于压套6从随动料杯4内取出。压盖7为圆柱杯状，它的中心有圆孔，以便抽油光杆1穿过，压盖7有内螺纹，与密封盒2的外螺纹 相配合，压盖7上有螺栓8和垫圈9，以便于添加润滑剂10，压盖7的外侧有压盖手柄11，用以拧紧压盖7。润滑剂10加入密封盒2和压盖7的腔体内，以便对密封垫3和随动料杯4的接触面润滑。The oil-sucking rod follow-up tracking sealer provided by the embodiment shown in FIG. 1 includes a pumping rod 1, a sealing box 2, a sealing pad 3, a follower cup 4, a sealing packing 5, a pressing sleeve 6, and a pressing Cover 7, bolt 8, washer 9, lubricant 10, gland handle 11, and the like. The pumping rod 1 is a smooth round rod to enhance the sealing and reduce the movement resistance. The sealing box 2 is cylindrical, and its inner cavity is a cylindrical cavity. The bottom of the inner cavity has a circular hole in the center so that the oil absorbing rod 1 passes through, and the lower part of the sealing box 2 has internal threads for connection with the wellhead, and the sealed box 2 The upper portion has an external thread for connection to the gland 7. The gasket 3 has a circular sheet shape with a circular hole in the center thereof so that the oil absorbing rod 1 passes therethrough, and the gasket 3 prevents crude oil from entering the cavity of the sealed casing 2. The follower cup 4 is a cylindrical cup shape, and its inner cavity is a cylindrical cavity, and a circular hole is formed in the center of the bottom of the inner cavity, so that the oil absorbing rod 1 passes through, and the bottom of the moving cup 4 has a chamfer to reduce The sealing packing 5 is loaded into the follower cup 4 with the sliding resistance at the bottom of the moving cup 4. The pressure sleeve 6 has a cylindrical shape with a circular hole in the center thereof so that the oil absorbing rod 1 passes therethrough, and its upper portion has a flange to facilitate the removal of the pressure sleeve 6 from the follower cup 4. The gland 7 is in the shape of a cylindrical cup, and has a round hole in the center thereof so that the oil absorbing rod 1 passes through, the gland 7 has internal threads, and the external thread of the sealing box 2 In cooperation, the gland 7 has a bolt 8 and a washer 9 for facilitating the addition of the lubricant 10, and the outside of the gland 7 has a gland handle 11 for tightening the gland 7. The lubricant 10 is introduced into the cavity of the seal box 2 and the gland 7 to lubricate the contact faces of the gasket 3 and the follower cup 4.
实施例2Example 2
如图2所示的本实施例提供的抽油光杆随动跟踪密封器，其包括抽油光杆1、密封盒2、密封垫3、随动料杯4、密封填料5、压套6、压盖7、螺栓8、垫圈9、润滑剂10和压盖手柄11等。抽油光杆1为光滑的圆杆，以加强密封性，减小运动阻力。密封盒2为圆柱形，它的内腔为圆柱形腔体，内腔底部中心有圆孔，以便抽油光杆1穿过，密封盒2的下部有内螺纹，以便与井口连接，密封盒2的上部有外螺纹，以便与压盖7连接。密封垫3为圆形片状，它的中心有圆孔，以便抽油光杆1穿过，密封垫3防止原油进入密封盒2的腔体内。随动料杯4为圆柱杯状，它的内腔上部为圆柱形腔体、下部为圆台形腔体，内腔底部中心有圆孔，以便抽油光杆1穿过，随动料杯4的底部有倒角，以减小随动料杯4底部的滑动阻力，密封填料5装入随动料杯4内。压套6为圆柱形，它的中心有圆孔，以便抽油光杆1穿过，它的上部有凸缘，以便于压套6从随动料杯4内取出。压盖7为圆柱杯状，它的中心有圆孔，以便抽油光杆1穿过，压盖7有内螺纹，与密封盒2的外螺纹相配合，压盖7上有螺栓8和垫圈9，以便于添加润滑剂10，压盖7的外侧有压盖手柄11，用以拧紧压盖7。润滑剂10加入密封盒2和压盖7的腔体内，以便对密封垫3和随动料杯4的接触面润滑。The oil-sucking rod follow-up tracking sealer provided by the embodiment shown in FIG. 2 includes a pumping rod 1, a sealing box 2, a sealing pad 3, a follower cup 4, a sealing packing 5, a pressing sleeve 6, and a pressing Cover 7, bolt 8, washer 9, lubricant 10, gland handle 11, and the like. The pumping rod 1 is a smooth round rod to enhance the sealing and reduce the movement resistance. The sealing box 2 is cylindrical, and its inner cavity is a cylindrical cavity. The bottom of the inner cavity has a circular hole in the center so that the oil absorbing rod 1 passes through, and the lower part of the sealing box 2 has internal threads for connection with the wellhead, and the sealed box 2 The upper portion has an external thread for connection to the gland 7. The gasket 3 has a circular sheet shape with a circular hole in the center thereof so that the oil absorbing rod 1 passes therethrough, and the gasket 3 prevents crude oil from entering the cavity of the sealed casing 2. The follower cup 4 is a cylindrical cup shape, the upper part of the inner cavity is a cylindrical cavity body, and the lower part is a truncated cone-shaped cavity, and the bottom of the inner cavity has a circular hole at the center, so that the pumping light rod 1 passes through, and the follower cup 4 The bottom is chamfered to reduce the sliding resistance of the bottom of the follower cup 4, and the sealing packing 5 is loaded into the follower cup 4. The pressure sleeve 6 has a cylindrical shape with a circular hole in the center thereof so that the oil absorbing rod 1 passes therethrough, and its upper portion has a flange to facilitate the removal of the pressure sleeve 6 from the follower cup 4. The gland 7 is in the shape of a cylindrical cup, and has a round hole in the center thereof for the passage of the oil absorbing rod 1. The gland 7 has internal threads, which cooperate with the external thread of the sealing box 2, and the gland 7 has bolts 8 and washers 9 thereon. In order to add the lubricant 10, the outside of the gland 7 has a gland handle 11 for tightening the gland 7. The lubricant 10 is introduced into the cavity of the seal box 2 and the gland 7 to lubricate the contact faces of the gasket 3 and the follower cup 4.
该抽油光杆随动跟踪密封器，在使用时，先将密封盒2穿过抽油光杆1安装在井口上，将密封垫3穿过抽油光杆1安装在密封盒2的内腔底部， 将随动料杯4穿过抽油光杆1安装在密封盒2的内腔里，压在密封垫3上，然后将密封填料5装入随动料杯4内，将压套6穿过抽油光杆1装入随动料杯4内，压在密封填料5上，然后将压盖7穿过抽油光杆1安装在密封盒2上，拧紧压盖7，卸下螺栓8，加入润滑剂10，最后拧紧螺栓8，就可以使用了。The oil absorbing rod follows the tracking sealer. When in use, the sealing box 2 is first installed on the wellhead through the oil absorbing rod 1, and the sealing gasket 3 is installed through the oil absorbing rod 1 at the bottom of the inner cavity of the sealed box 2. The follower cup 4 is installed in the inner cavity of the sealed casing 2 through the oil absorbing rod 1, pressed against the gasket 3, and then the sealing packing 5 is loaded into the follower cup 4, and the pressure sleeve 6 is drawn through The oil rod 1 is loaded into the follower cup 4, pressed against the sealing packing 5, and then the gland 7 is mounted on the sealing box 2 through the pumping rod 1, the gland 7 is tightened, the bolt 8 is removed, and the lubricant is added. 10, finally tighten the bolt 8, you can use it.
本实用新型的优点在于该抽油光杆随动跟踪密封器，当抽油光杆偏离密封盒中心时，由于随动料杯、密封填料和压套可以跟随抽油光杆平移，密封填料始终对准抽油光杆中心，不会发生偏磨，因而可以延长密封填料的使用寿命，防止油井原油泄漏。 The utility model has the advantages that the sucking rod follows the tracking sealer. When the pumping rod is offset from the center of the sealing box, since the follower cup, the sealing packing and the pressing sleeve can follow the pumping rod, the sealing packing is always aligned. At the center of the oil rod, there is no eccentric wear, which can prolong the service life of the sealing packing and prevent the oil well from leaking.

Claims (2)

  1. 一种抽油光杆随动跟踪密封器，其包括抽油光杆(1)、密封盒(2)、密封垫(3)、随动料杯(4)、密封填料(5)、压套(6)、压盖(7)、螺栓(8)、垫圈(9)、润滑剂(10)和压盖手柄(11)，其特征在于，所述抽油光杆(1)为光滑的圆杆，所述密封盒(2)为圆柱形，所述密封盒(2)的内腔为圆柱形腔体，所述内腔的底部中心有圆孔，所述密封盒(2)的下部有内螺纹，所述密封盒(2)的上部有外螺纹，所述密封盒(2)穿过所述抽油光杆(1)安装在井口上，所述密封垫(3)为中心有圆孔的圆形片状，所述密封垫(3)穿过所述抽油光杆(1)安装在所述密封盒(2)的内腔底部，所述随动料杯(4)为圆柱杯状，所述随动料杯(4)的内腔为圆柱形腔体，所述随动料杯(4)的内腔底部中心有圆孔，所述随动料杯(4)的底部有倒角，所述随动料杯(4)穿过所述抽油光杆(1)安装在所述密封盒(2)的内腔里，所述密封填料(5)装入所述随动料杯(4)内，所述压套(6)为中心有圆孔的圆柱形，所述压套(6)的上部有凸缘，所述压套(6)穿过所述抽油光杆(1)安装在所述随动料杯(4)内，所述压盖(7)为中心有圆孔的圆柱杯状，所述压盖(7)有内螺纹，与所述密封盒(2)的外螺纹相配合，所述压盖(7)上设有所述螺栓(8)和垫圈(9)，所述压盖(7)的外侧有所述压盖手柄(11)，所述压盖(7)穿过所述抽油光杆(1)安装在所述密封盒(2)上，所述润滑剂(10)加入所述密封盒(2)和所述压盖(7)的腔体内。A pumping rod follow-up tracking sealer, comprising a pumping rod (1), a sealing box (2), a gasket (3), a follower cup (4), a sealing packing (5), a compression sleeve (6) ), a gland (7), a bolt (8), a gasket (9), a lubricant (10), and a gland handle (11), wherein the pumping rod (1) is a smooth round rod, The sealing box (2) is cylindrical, the inner cavity of the sealing box (2) is a cylindrical cavity, the bottom of the inner cavity has a circular hole at the center, and the lower part of the sealing box (2) has an internal thread. The upper part of the sealing box (2) has an external thread, and the sealing box (2) is mounted on the wellhead through the oil absorbing rod (1), and the sealing pad (3) is a circle having a circular hole at the center. a sheet shape, the gasket (3) is installed through the oil absorbing rod (1) at the bottom of the inner cavity of the sealing box (2), and the follower cup (4) is a cylindrical cup shape, The inner cavity of the follower cup (4) is a cylindrical cavity, the bottom of the inner cavity of the follower cup (4) has a circular hole, and the bottom of the follower cup (4) has a chamfer. The follower cup (4) is installed in the inner cavity of the sealed box (2) through the oil absorbing rod (1), and the sealing packing (5) is installed in the chamber In the follower cup (4), the pressure sleeve (6) is a cylindrical shape having a circular hole at the center, the upper portion of the pressure sleeve (6) has a flange, and the pressure sleeve (6) passes through the pumping A polishing rod (1) is mounted in the follower cup (4), the gland (7) is in the shape of a cylindrical cup having a circular hole in the center, the gland (7) has an internal thread, and the seal The external thread of the box (2) is matched, the bolt (8) is provided with the bolt (8) and the washer (9), and the outside of the pressure cover (7) has the lid handle (11) The gland (7) is mounted on the sealing box (2) through the oil absorbing rod (1), and the lubricant (10) is added to the sealing box (2) and the gland ( 7) The cavity.
  2. 根据权利要求1所述的抽油光杆随动跟踪密封器，其特征在于，所述随动料杯(4)的内腔上部为圆柱形腔体、下部为圆台形腔体。 The sucking rod follow-up tracking sealer according to claim 1, wherein the upper portion of the inner chamber of the follower cup (4) is a cylindrical cavity and the lower portion is a truncated cone.
PCT/CN2015/079685 2014-07-10 2015-05-25 Oil-pumping polished rod motion-following sealer WO2016004797A1 (en)

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Publication number Priority date Publication date Assignee Title
CN203978361U (en) * 2014-07-10 2014-12-03 刘玉玺 Oil pumping polish rod is with motion tracking sealer

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RU2118707C1 (en) * 1996-04-24 1998-09-10 Акционерная компания "Корвет" Casing-head stuffing box
US5893417A (en) * 1997-05-08 1999-04-13 Pizzolato; Charles W. Wireline lubrication wiper
CN201802337U (en) * 2010-03-26 2011-04-20 李红宾 Energy-saving pumping well head sealer
CN201924859U (en) * 2011-02-02 2011-08-10 张学海 Sensing type energy-saving and environment-friendly sealer for polished suck rod
CN202047774U (en) * 2010-12-30 2011-11-23 李红宾 Oil extraction wellhead sealing device
CN202064869U (en) * 2010-10-08 2011-12-07 高洪江 Eccentric-wear-proofing sealed packing box based on skewing of sucker rod
CN202117607U (en) * 2011-07-04 2012-01-18 中国石油化工股份有限公司 Oil pumping polish rod sealing box
CN202140060U (en) * 2011-07-23 2012-02-08 刘玉玺 Sealing device of pumping well
CN202467745U (en) * 2012-03-23 2012-10-03 中国石油天然气股份有限公司 Polish rod lubricating and sealing device for oil pumping well
CN203978361U (en) * 2014-07-10 2014-12-03 刘玉玺 Oil pumping polish rod is with motion tracking sealer

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2118707C1 (en) * 1996-04-24 1998-09-10 Акционерная компания "Корвет" Casing-head stuffing box
US5893417A (en) * 1997-05-08 1999-04-13 Pizzolato; Charles W. Wireline lubrication wiper
CN201802337U (en) * 2010-03-26 2011-04-20 李红宾 Energy-saving pumping well head sealer
CN202064869U (en) * 2010-10-08 2011-12-07 高洪江 Eccentric-wear-proofing sealed packing box based on skewing of sucker rod
CN202047774U (en) * 2010-12-30 2011-11-23 李红宾 Oil extraction wellhead sealing device
CN201924859U (en) * 2011-02-02 2011-08-10 张学海 Sensing type energy-saving and environment-friendly sealer for polished suck rod
CN202117607U (en) * 2011-07-04 2012-01-18 中国石油化工股份有限公司 Oil pumping polish rod sealing box
CN202140060U (en) * 2011-07-23 2012-02-08 刘玉玺 Sealing device of pumping well
CN202467745U (en) * 2012-03-23 2012-10-03 中国石油天然气股份有限公司 Polish rod lubricating and sealing device for oil pumping well
CN203978361U (en) * 2014-07-10 2014-12-03 刘玉玺 Oil pumping polish rod is with motion tracking sealer

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