Oil field oil extraction sampling device and operation method
阅读说明：本技术 一种油田采油取样装置及操作方法 (Oil field oil extraction sampling device and operation method ) 是由 宋晶鑫 胡海涛 赵凤辉 李昌红 宋亚杰 庄立君 许建辉 陈娜 李铁男 唐相辉 刘 于 2019-10-11 设计创作，主要内容包括：本发明公开了一种油田采油取样装置及操作方法,具体涉及油田采样领域包括取样圆套筒,所述取样圆套筒的顶部活动套装有活塞杆,所述活塞杆的顶部固定安装有磁铁,所述磁铁的顶部磁性连接有电磁铁,所述电磁铁的顶部固定连接有气动杆,所述气动杆的顶部电性连接有的气泵,所述活塞杆的外部活动套装有定位盖,所述定位盖的底部螺纹套装有取样内筒套。本发明在实际运行过程中,利用控制器启动电磁铁和气泵,使得电磁铁产生磁力吸附磁铁,此时气泵提升活塞杆上升,从而增加了活塞底部的空间,实现了对取样内筒套内部气压增加,使得抽取取样圆套筒底部的刮片内部的原油,利用电磁铁产生磁力更加稳定,可控性强。(The invention discloses an oil field oil extraction sampling device and an operation method, and particularly relates to the field of oil field sampling. In the actual operation process, the electromagnet and the air pump are started by the controller, so that the electromagnet generates magnetic force to adsorb the magnet, the air pump lifts the piston rod to ascend, the space at the bottom of the piston is increased, the increase of the air pressure inside the sampling inner cylinder sleeve is realized, crude oil inside a scraping piece at the bottom of the sampling circular cylinder sleeve is extracted, and the magnetic force generated by the electromagnet is more stable and has strong controllability.)
1. The utility model provides an oil field oil recovery sampling device, includes sample circle sleeve (1), the top movable sleeve of circle sleeve (1) is equipped with piston rod (2), its characterized in that: the top of the piston rod (2) is fixedly provided with a magnet (3), the top of the magnet (3) is magnetically connected with an electromagnet (4), the top of the electromagnet (4) is fixedly connected with an air rod (5), the top of the air rod (5) is electrically connected with an air pump (6), the outer part of the piston rod (2) is movably sleeved with a positioning cover (10), the bottom of the positioning cover (10) is sleeved with a sampling inner barrel sleeve (9), the two ends of the positioning cover (10) are sleeved with threaded rods (11), the outer part of the threaded rods (11) is sleeved with a positioning nut (12) positioned above the positioning cover (10), the bottom of the threaded rods (11) extends to the inside of the sampling inner barrel sleeve (9) and is sleeved with a fixing plate (13), the side surface of the fixing plate (13) is fixedly connected with the inner wall of the sampling inner barrel sleeve (9), the bottom fixed mounting of piston rod (2) has piston (16), the surface of piston (16) and the inner wall friction connection of interior barrel casing (9) of sample, the inner chamber fixed mounting of interior barrel casing (9) of sample has filter screen (18) that is located piston (16) below, the inner chamber fixed mounting of interior barrel casing (9) of sample has horizontal pole (19) that is located between piston (16) and filter screen (18), the outside movable sleeve of horizontal pole (19) is equipped with doctor-bar (20), the oil absorption hole (17) that are located between piston (16) and filter screen (18) are seted up to the side of interior barrel casing (9) of sample, the inner wall fixed mounting of sample circle sleeve (1) has locating piece (7), the surface fixed mounting of interior barrel casing (9) of sample has joint pole (8) with the inside looks adaptation of locating piece (7), the quantity of joint pole (8) is two, a stabilizing component (15) is fixedly arranged between the two clamping rods (8), a scraping blade (20) positioned below the filter screen (18) is movably clamped between the sampling round sleeve (1) and the sampling inner sleeve (9), a locking transverse plate (21) is fixedly arranged outside the sampling round sleeve (1), the bottom of the locking transverse plate (21) is fixedly connected with an extension rod (22), a clamping sleeve rod (23) is movably sleeved in the extension rod (22), a thin rod (25) is movably sleeved on the side surface of the clamping sleeve rod (23) close to the scraping blade (20), the other end of the thin rod (25) is fixedly connected with a clamping plate (28), the side surface of the clamping plate (28) is in friction connection with the outer wall of the scraping blade (20), a fastening nut (24) is sleeved on the external thread of the clamping sleeve rod (23), the input ends of the electromagnet (4) and the air pump (6) are electrically connected with a controller (27).
2. The oil field oil extraction sampling device of claim 1, characterized in that: the outer portion of the threaded rod (11) is movably sleeved with a buffer spring (14), and the upper end and the lower end of the buffer spring (14) are fixedly connected with the bottom surface of the positioning cover (10) and the top surface of the fixing plate (13) respectively.
3. The oil field oil extraction sampling device of claim 1, characterized in that: the number of the scraping blades (20) is five, and the distance between the end parts of the five scraping blades (20) and the top surface of the filter screen (18) is three millimeters.
4. The oil field oil extraction sampling device of claim 1, characterized in that: the cross section of clamping rod (8) is trapezoidal, and the top length of clamping rod (8) is less than the length of clamping rod (8) bottom.
5. The oil field oil extraction sampling device of claim 4, wherein: the stabilizing assembly (15) comprises two stabilizing loop bars (151), and a thin bar (152) is movably sleeved between the two stabilizing loop bars (151).
6. The oil field oil extraction sampling device of claim 1, characterized in that: the outside activity cover of pin (152) is equipped with stabilizing spring (153), stabilizing spring's (153) upper and lower both ends respectively with the side fixed connection between two stabilizing loop bars (151).
7. The oil field oil extraction sampling device of claim 1, characterized in that: the outside activity cover of pin (25) is equipped with compression spring (26), compression spring (26) both ends respectively with joint telescopic stem (23) and splint (28) between the side fixed connection.
8. The method of claim 1 for operating an oilfield oil extraction sampling device, comprising: the method comprises the following steps:
s1, the sampling inner sleeve (9) and the piston rod (2) are arranged in the sampling round sleeve (1);
s2, starting the electromagnet (4) and the air pump (6) by using the controller (27), enabling the electromagnet (4) to generate magnetic force to adsorb the magnet (3), and enabling the air pump (6) to lift the piston rod (2) to ascend, so that the space at the bottom of the piston (16) is increased, the increase of the air pressure inside the sampling inner cylinder sleeve (9) is realized, and crude oil inside a scraping blade (20) at the bottom of the sampling round cylinder sleeve (1) is extracted;
s3, leading the crude oil into the sampling inner cylinder sleeve (9) through the oil suction hole (17), filtering the crude oil through the filter screen (18) and allowing the crude oil to fall into the bottom of the filter screen (18), and finally completing sampling of the crude oil;
s4, after sampling is completed, the controller (27) is only required to be stopped, so that the controller (27) stops the electromagnet (4) and the air pump (6), the electromagnet (4) and the magnet (3) are separated, and then the piston (16) falls to the position above the scraping sheet (20) to block the oil suction hole (17), so that crude oil sealing is realized, and sampling is guaranteed.
9. The oil field oil extraction sampling device and the operation method according to claim 1, characterized in that: the length of the piston rod (2) is the same as the distance between the bottom of the scraping blade (20) and the bottom surface of the positioning cover (10).
Technical Field
The invention relates to the technical field of oil field sampling, in particular to an oil field oil extraction sampling device and an operation method.
Background
The structure of the existing oil field oil extraction sampling device is complex, several parts are required to be controlled simultaneously, the oil field oil extraction sampling device is put into a wellhead for use, the control state cannot be observed when the control is adjusted, and the control parts are many and sometimes coordinated, so that the use effect is not reasonable.
The invention patent of patent application publication No. CN109000980A discloses an oil field oil extraction sampling device and an operation method. The product comprises the following components: sampling circle sleeve, open around the circumference on sampling circle telescopic upper portion has a set of oil inlet, 3 contained angles are 120's chute board is connected around the circumference to the inboard of sampling drum, the chute board is opened there is flat T shape spout, insert flat T shape slider in the flat T shape spout, flat T shape slider fixed connection arm-tie, the arc flitch is connected to the arm-tie, the sampling drum is connected to the arc flitch, open the lower part of sampling drum has the oil filler hole, the piston board is equipped with to the inside of sampling drum, the piston rod is connected to the piston board, the top bonding round bottom magnetic sheet of piston rod, round bottom magnetic sheet actuation calotte magnetic sheet, the pneumatic rod is connected to calotte magnetic sheet, the air pump is connected to the pneumatic rod, left fixed plate and right fixed plate are connected at the top of sampling drum, left fixed plate sets up with right fixed plate relatively, be connected through the arm-tie between left fixed plate and the right fixed plate. The invention is used for the oil extraction sampling device of the oil field.
But its when in actual use, the device utilizes magnet to carry out split gas pole to convenient dismantlement and fixed, but the magnetism of magnet can be weakened because of the time accumulation, and the intensity of the attraction between the magnet is big more will be more stable more simultaneously, and the opposite dismantlement degree of difficulty just increases thereupon, and consequently the device is difficult to fix and dismantles all very conveniently in the in-service use process, has solid debris such as building stones in addition sampling process, therefore very big influence follow-up detection, reduced detection efficiency.
Therefore, it is desirable to provide an oil field sampling device and an operation method thereof.
Disclosure of Invention
In order to overcome the above defects in the prior art, embodiments of the present invention provide an oil field oil extraction sampling device and an operation method thereof, in which an electromagnet and an air pump are started by a controller, so that the electromagnet generates magnetic force to adsorb the magnet, and at this time, the air pump lifts a piston rod to rise, thereby increasing the space at the bottom of a piston, increasing the air pressure inside a sampling inner cylinder sleeve, so that crude oil inside a scraper at the bottom of a sampling cylinder sleeve is extracted, the magnetic force generated by the electromagnet is more stable, and the controllability is strong, so as to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: an oil field oil extraction sampling device comprises a sampling round sleeve, wherein a piston rod is movably sleeved at the top of the round sleeve, a magnet is fixedly installed at the top of the piston rod, the top of the magnet is magnetically connected with an electromagnet, a pneumatic rod is fixedly connected with the top of the electromagnet, an air pump is electrically connected with the top of the pneumatic rod, a positioning cover is movably sleeved outside the piston rod, an inner sampling sleeve is sleeved at the bottom of the positioning cover in a threaded manner, threaded rods are sleeved at two ends of the positioning cover in a threaded manner, a positioning nut positioned above the positioning cover is sleeved at the outer thread of each threaded rod, the bottom of each threaded rod extends into the inner sampling sleeve and is sleeved with a fixing plate in a threaded manner, the side surface of each fixing plate is fixedly connected with the inner wall of the inner sampling sleeve, a piston is fixedly installed at the bottom of the piston rod, and the outer, the sampling device comprises a sampling inner barrel sleeve, a piston, a filter screen, a positioning block, two clamping rods, a stabilizing assembly, a scraping piece, a locking transverse plate, an extension rod, a clamping sleeve rod, a positioning block, a clamping rod, a stabilizing assembly, a scraping piece, a locking transverse plate, an extension rod and a clamping sleeve rod, wherein the filter screen is arranged below the piston is fixedly arranged in an inner cavity of the sampling inner barrel sleeve, the transverse rod is movably sleeved outside the transverse rod, the oil suction hole is arranged between the piston and the filter screen, the positioning block is fixedly arranged on the inner wall of the sampling inner barrel sleeve, the clamping rod is movably clamped between the sampling circular sleeve and the sampling inner barrel sleeve, the locking transverse plate, the side movable sleeve that the joint loop bar is close to the doctor-bar is equipped with the slender pole, the other end fixedly connected with splint of slender pole, the side of splint and the outer wall friction connection of doctor-bar, the outside screw thread cover of joint loop bar is equipped with fastening nut, the input electric connection of electro-magnet and air pump has the controller.
In a preferred embodiment, a buffer spring is movably sleeved outside the threaded rod, and the upper end and the lower end of the buffer spring are fixedly connected with the bottom surface of the positioning cover and the top surface of the fixing plate respectively.
In a preferred embodiment, the number of said blades is five, the distance between the end of five of said blades and the top surface of the screen being three millimetres.
In a preferred embodiment, the cross section of the clamping rod is trapezoidal, and the length of the top of the clamping rod is smaller than that of the bottom of the clamping rod.
In a preferred embodiment, the stabilizing assembly comprises two stabilizing rods, and a slender rod is movably sleeved between the two stabilizing rods.
In a preferred embodiment, the outside of the thin rod is movably sleeved with a stabilizing spring, and the upper end and the lower end of the stabilizing spring are respectively fixedly connected with the side surface between the two stabilizing sleeved rods.
In a preferred embodiment, the thin rod is movably sleeved with a compression spring, and two ends of the compression spring are fixedly connected with the side surfaces between the clamping sleeve rod and the clamping plate respectively.
In a preferred embodiment, the method comprises the following steps:
s1, the sampling inner sleeve and the piston rod are arranged in the sampling round sleeve;
s2, starting the electromagnet and the air pump by using the controller, enabling the electromagnet to generate magnetic force to adsorb the magnet, and enabling the air pump to lift the piston rod to ascend, so that the space at the bottom of the piston is increased, the increase of the air pressure in the sampling inner cylinder sleeve is realized, and crude oil in the scraper at the bottom of the sampling circular cylinder sleeve is extracted;
s3, leading the crude oil into the sampling inner cylinder sleeve through the oil suction hole, filtering the crude oil by a filter screen, and dropping the crude oil into the bottom of the filter screen to finally finish sampling the crude oil;
s4, after sampling is completed, the controller is only required to be stopped, the controller stops the electromagnet and the air pump, the electromagnet is separated from the magnet, and then the piston falls to the position above the scraping sheet to block the oil suction hole, so that crude oil sealing is realized, and sampling is guaranteed.
In a preferred embodiment, the length of the piston rod is the same as the distance between the bottom of the wiper blade and the bottom surface of the positioning cover.
The invention has the technical effects and advantages that:
1. in the actual operation process, the electromagnet and the air pump are started by the controller, so that the electromagnet generates magnetic force to adsorb the magnet, the air pump lifts the piston rod to ascend, the space at the bottom of the piston is increased, the increase of the air pressure inside the sampling inner cylinder sleeve is realized, crude oil inside a scraping piece at the bottom of the sampling circular cylinder sleeve is extracted, and the magnetic force generated by the electromagnet is more stable and has strong controllability;
2. the sampling device has the advantages that the clamping rod and the positioning block are arranged, so that the mounting stability between the sampling inner cylinder sleeve and the sampling circular sleeve is ensured, the integral difficulty is reduced by using the arrangement of the stabilizing component, the problem of uneven sampling caused by vibration generated by the pneumatic rod in the sampling process is avoided, and the safety of the sampling device is greatly improved;
3. the controller is stopped, so that the electromagnet and the air pump are stopped, the electromagnet is separated from the magnet, the piston falls to the position above the scraping sheet to block the oil suction hole, crude oil sealing is realized, sampling is guaranteed, the crude oil sample is not interfered by the outside in the sampling process, and the accuracy of later detection is greatly guaranteed;
4. the invention ensures the purity of the sample by arranging the filter screen to filter stone impurities in the crude oil, and can stably scrape impurities on the top surface of the filter screen by utilizing the rotation of the cross rod and the scraping blade, thereby ensuring the lasting cleaning capability of the filter screen.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural diagram of fig. 1 at a according to the present invention.
FIG. 3 is a schematic view of the structure B of FIG. 1 according to the present invention.
Fig. 4 is a schematic structural diagram of a cross section of the positioning block of the present invention.
Fig. 5 is a block diagram of the system of the present invention.
FIG. 6 is a schematic view of a stabilizing assembly of the present invention.
Fig. 7 is a circuit diagram of the controller of the present invention.
The reference signs are: 1. a sampling round sleeve; 2. a piston rod; 3. a magnet; 4. an electromagnet; 5. a pneumatic rod; 6. an air pump; 7. positioning blocks; 8. a clamping and connecting rod; 9. sampling the inner cylinder sleeve; 10. a positioning cover; 11. a threaded rod; 12. positioning a nut; 13. a fixing plate; 14. a buffer spring; 15. a stabilizing assembly; 151. stabilizing the loop bar; 152. a thin rod; 153. a stabilizing spring; 16. a piston; 17. an oil suction hole; 18. filtering with a screen; 19. a cross bar; 20. scraping a blade; 21. locking the transverse plate; 22. an extension rod; 23. clamping the loop bar; 24. fastening a nut; 25. a thin rod; 26. a compression spring; 27. a controller; 28. and (4) clamping the plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The oil field oil extraction sampling device shown in the attached figures 1-7 comprises a sampling round sleeve 1, wherein a piston rod 2 is movably sleeved on the top of the sampling round sleeve 1, a magnet 3 is fixedly installed on the top of the piston rod 2, an electromagnet 4 is magnetically connected with the top of the magnet 3, a pneumatic rod 5 is fixedly connected with the top of the electromagnet 4, an air pump 6 is electrically connected with the top of the pneumatic rod 5, a positioning cover 10 is movably sleeved on the outer portion of the piston rod 2, a sampling inner sleeve 9 is sleeved on the bottom thread of the positioning cover 10, threaded rods 11 are sleeved on the two ends of the positioning cover 10, a positioning nut 12 positioned above the positioning cover 10 is sleeved on the outer thread of the threaded rod 11, a fixing plate 13 is sleeved on the bottom of the threaded rod 11 and extends into the sampling inner sleeve 9, the side surface of the fixing plate 13 is fixedly connected with the inner wall of the sampling inner sleeve 9, the bottom fixed mounting of piston rod 2 has piston 16, the surface of piston 16 and the inner wall friction connection of barrel casing 9 in the sample, the inner chamber fixed mounting of barrel casing 9 has the filter screen 18 that is located the piston 16 below in the sample, the inner chamber fixed mounting of barrel casing 9 has the horizontal pole 19 that is located between piston 16 and the filter screen 18 in the sample, the outside movable sleeve of horizontal pole 19 is equipped with doctor-bar 20, the oil absorption hole 17 that is located between piston 16 and the filter screen 18 is seted up to the side of barrel casing 9 in the sample, the inner wall fixed mounting of sample circle sleeve 1 has locating piece 7, the surface fixed mounting of barrel casing 9 in the sample has the joint pole 8 with the inside looks adaptation of locating piece 7, the quantity of joint pole 8 is two, two fixed mounting has stable component 15 between the joint pole 8, the activity joint has doctor-bar 20 that is located the filter screen 18 below between sample circle sleeve 1 and the barrel casing 9 in the, a locking transverse plate 21 is fixedly installed on the outer portion of the sampling circular sleeve 1, an extension rod 22 is fixedly connected to the bottom of the locking transverse plate 21, a clamping sleeve rod 23 is movably sleeved inside the extension rod 22, a thin rod 25 is movably sleeved on the side face, close to the scraping blade 20, of the clamping sleeve rod 23, the other end of the thin rod 25 is fixedly connected with a clamping plate 28, the side face of the clamping plate 28 is in friction connection with the outer wall of the scraping blade 20, a fastening nut 24 is sleeved on the outer portion of the clamping sleeve rod 23 in a threaded mode, and the input ends of the electromagnet 4 and the air pump 6 are electrically connected with a controller 27;
a
the method comprises the following steps:
s1, the sampling
s2, the
s3, leading the crude oil into the sampling
s4, after sampling is completed, the
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