CN106368650B - A kind of multi-functional beam hanger frizing de-waxing apparatus - Google Patents
A kind of multi-functional beam hanger frizing de-waxing apparatus Download PDFInfo
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- CN106368650B CN106368650B CN201611015052.1A CN201611015052A CN106368650B CN 106368650 B CN106368650 B CN 106368650B CN 201611015052 A CN201611015052 A CN 201611015052A CN 106368650 B CN106368650 B CN 106368650B
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- oil
- wax
- scraping
- sucker rod
- oil scraping
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- 238000004018 waxing Methods 0.000 title abstract 2
- 238000007790 scraping Methods 0.000 claims abstract description 215
- 230000007246 mechanism Effects 0.000 claims abstract description 96
- 239000003129 oil well Substances 0.000 claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 58
- 239000010959 steel Substances 0.000 claims description 58
- 230000000903 blocking effect Effects 0.000 claims description 17
- 230000002265 prevention Effects 0.000 claims description 14
- 210000004907 gland Anatomy 0.000 claims description 9
- 238000005086 pumping Methods 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 3
- 239000003208 petroleum Substances 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 189
- 239000001993 wax Substances 0.000 description 101
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000010779 crude oil Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000012188 paraffin wax Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- 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
- E21B37/00—Methods or apparatus for cleaning boreholes or wells
-
- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
-
- 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
- E21B33/06—Blow-out preventers, i.e. apparatus closing around a drill pipe, e.g. annular blow-out preventers
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (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)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
- Lubricants (AREA)
Abstract
The invention belongs to oil well mechanical fitting technical field, a kind of multi-functional beam hanger frizing de-waxing apparatus is disclosed.The structure of the device includes the barrel-type casing being matched with well mouth of oil well and can be fixed thereto for including upper press cover, pumping rod wax scraping oil scraping mechanism assembly is provided with the barrel-type casing, horizontal direction has certain glade plane space between the two；The bottom of above-mentioned upper press cover and barrel-type casing is provided with corresponding oil pumping rod aperture, and sucker rod can pass through the corresponding oil pumping rod aperture.The device can scrape the wax oil on sucker rod, meet environmental protection, construction quality and safety in production needs in petroleum industry underground work site operation；With it is practical, easy to operate and install, safeguard simple the characteristics of.
Description
Technical Field
The invention belongs to the technical field of mechanical fittings of petroleum wells, and relates to a multifunctional oil rod oil scraping and paraffin removing device which is used for downhole operation in the petroleum industry, cleans an oil pumping rod body and prevents oil stains from adhering to the oil pumping rod body and gas and liquid in an oil pipe in a well from being sprayed out during rod lifting.
Background
At present, no professional online oil scraping tool is used for a sucker rod string which is pulled out from a well in the oil well workover process. The hot washing operation is often carried out before the sucker rod is lifted for a well with more oil wax adhered on the sucker rod, but the sucker rod cannot be completely cleaned, and the oil is scraped by a steel wire manually during lifting the rod or the sucker rod is lifted and discharged and is pricked and washed by a steam boiler in a well site. The efficiency is low, and the oil wax falls to the ground to cause environmental pollution. In addition, when the rod is lifted, no suitable blowout prevention tool is installed above the wellhead, and when a blowout sign appears, the rod lifting action is stopped, and the prepared pipe rod screwed plug nipple is lifted additionally to install and block the annular space of the rod pipe on site. The operation is complicated, the well control time is delayed, and the requirements of field construction cannot be completely met.
Disclosure of Invention
The invention aims to overcome the defects of the existing sucker rod cleaning technology, and provides the multifunctional sucker rod oil scraping and paraffin removing device which can meet the requirements of site environmental protection and safe construction, and is practical, convenient and quick to install.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a multi-functional sucker rod frizing wax removal device which characterized in that: comprises that
The device comprises a cylindrical shell (2) which is matched with a wellhead of an oil well and can be fixed with the wellhead of the oil well, wherein the cylindrical shell comprises an upper gland (1), a sucker rod wax scraping and oil scraping mechanism assembly is arranged in the cylindrical shell, and a sliding gap (F) is arranged between the sucker rod wax scraping and oil scraping mechanism assembly and the cylindrical shell in the horizontal direction; the upper gland and the bottom of the cylindrical shell are provided with corresponding sucker rod holes (20, 19), and the sucker rod can penetrate through the corresponding sucker rod holes (20, 19).
In the structure of the multifunctional oil rod oil scraping and wax removing device,
the wall of the cylindrical shell is provided with a plurality of oil outlet grooves (C);
the sucker rod wax and oil scraping mechanism assembly comprises a steel wire wax and oil scraping mechanism fixed in the cylindrical shell; the steel wire wax scraping and oil scraping mechanism comprises a wax scraper cylindrical outer sleeve (5) with a wax outlet slotted hole (D) arranged on the cylinder wall, an upper fixing backing ring and a lower fixing backing ring (11 and 12) which are arranged in the wax scraper cylindrical outer sleeve (5) and connected through a spring assembly, at least two oil scraping and wax scraping steel wires (6) which are screwed for 90-270 degrees are connected in series on the periphery between the upper backing ring and the lower backing ring, and an inner hole formed by screwing the oil scraping and wax scraping steel wires for 90-270 degrees can penetrate through a sucker rod;
said spring assembly is formed by a single circular spring, or
The spring fixing device is composed of two spring guide rods (9) which are fixed on the circumference of the upper and lower fixing backing rings (11, 12) and at least respectively sleeved with a spring (8);
the inner wall of the wax scraper cylindrical outer sleeve 5 is axially provided with sliding grooves of the upper and lower fixed backing rings (11, 12);
the sucker rod wax and oil scraping mechanism assembly comprises a rubber sleeve oil scraping mechanism which is arranged at the upper part of a wax scraper cylindrical outer sleeve (5) forming the steel wire wax and oil scraping mechanism and consists of an upper oil scraper outer sleeve (21) and a frustum-shaped oil scraping rubber sleeve (4) fixed in the upper oil scraper outer sleeve; wherein the sleeve wall of the oil wiper outer sleeve (21) is provided with a plurality of oil outlet slotted holes (A); the steel wire wax and oil scraping mechanism and the rubber sleeve oil scraping mechanism are coaxially arranged;
an oil blocking rubber ring (10) is arranged between the steel wire wax scraping and oil scraping mechanism and the rubber sleeve oil scraping mechanism, and the ring body of the oil blocking rubber ring separates the shell up and down; two steps (30, 31) are arranged in the vertical direction of the oil blocking rubber ring (10) and can be respectively clamped on the inner walls of the oil scraping rubber sleeve (4) and the wax scraper outer sleeve (5), so that the rubber sleeve oil scraping mechanism can move along with the shaking deflection of the sucker rod during rod lifting in the horizontal direction, and the situations of incomplete scraping and incomplete scraping of the sucker rod string can be avoided;
the middle part of the oil baffle rubber ring (10) is provided with a sucker rod hole (26);
an elastic steel plate (22) is embedded in a frustum-shaped oil scraping rubber sleeve (4) forming the rubber sleeve oil scraping mechanism, the inner and outer shapes of the frustum-shaped oil scraping rubber sleeve are inverted bell mouths, and a cross-shaped or m-shaped notch (23) is formed in the annular surface from the bottom of a cone to the upper part of a cylinder body;
the sucker rod wax and oil scraping mechanism assembly comprises an oil scraping air bag (15) with a sucker rod hole (24) in the middle and an air bag oil scraping mechanism consisting of an upper cover (14) and a lower cover (16) of an air bag chamber, wherein the upper part of the rubber sleeve oil scraping mechanism is provided with the air bag oil scraping mechanism; the air bag oil scraping mechanism and the rubber sleeve oil scraping mechanism are coaxially arranged;
-an oil pan is provided at the bottom of the cylindrical housing (2);
a blowout prevention box mechanism capable of being connected with an oil well head is arranged at the bottom of the cylindrical shell (2), and a sucker rod hole of the blowout prevention box mechanism is coaxial with the sucker rod wax scraping and oil scraping mechanism assembly.
Compared with the prior art, the multifunctional oil rod oil scraping and wax removing device provided by the invention has the following advantages,
firstly, because the oil-scraping and wax-scraping mechanism assembly of the sucker rod in the device comprises an upper fixed backing ring and a lower fixed backing ring which are connected by a spring component, and an oil-scraping and wax-scraping steel wire which is twisted by 90 to 270 degrees is connected in series on the periphery between the upper backing ring and the lower backing ring, an inner hole formed by twisting the oil-scraping and wax-scraping steel wire by 90 to 270 degrees can penetrate through the sucker rod, the scraping force of the oil-scraping and wax-scraping steel wire and the diameter of the central sucker rod are controlled by the spring, and the purpose that the oil-scraping and wax-scraping steel wire can timely remove stubborn oil wax attached to the sucker rod can be realized;
the oil scraping and oil scraping mechanism assembly of the sucker rod comprises an oil scraping device outer sleeve and a sucker rod rubber sleeve oil scraping mechanism which is fixed in the oil scraping device outer sleeve and is formed by a plurality of cone frustum-shaped oil scraping rubber sleeves, wherein elastic steel plates are embedded in the cone frustum-shaped oil scraping rubber sleeves;
thirdly, because the oil scraping and oil scraping mechanism assembly of the sucker rod comprises the air bag oil scraping mechanism and the oil blocking rubber ring, wherein the air bag oil scraping mechanism consists of the oil scraping air bags fixed on the upper cover and the lower cover of the air bag chamber, the part of thinner crude oil remained on the sucker rod after the sucker rod passes through the wax scraper is treated by the oil blocking rubber ring and the oil scraping rubber sleeve air bag, and thus the oil scraping and wax scraping effects are achieved;
because the upper gland and the bottom of the cylindrical shell are respectively provided with a sliding groove with the diameter larger than that of the wax scraping and oil scraping mechanism assembly of the sucker rod, the wax scraping and oil scraping mechanism assembly of the sucker rod can rock in the cylindrical shell, namely, the oil scraping device assembly, the oil blocking rubber ring and the wax scraping device assembly can move in the shell in a radial dislocation way, and the eccentric wear and the incomplete scraping condition caused by the deviation of the sucker rod can be processed at any time;
fifthly, because the bottom of the cylindrical shell is provided with the blowout prevention box assembly which can be connected with the wellhead of the oil well, the multifunctional oil rod oil scraping, wax removing and blowout preventing assembly can prevent the occurrence of blowout accidents and meet the environmental protection requirements of oil scraping and wax scraping.
Drawings
FIG. 1 is a schematic structural view of a multifunctional oil rod oil scraping and wax removing device provided by the invention;
FIG. 2 is a schematic structural view of the frustum-shaped oil scraping rubber sleeve in FIG. 1;
fig. 3 is a schematic view of the usage structure of the frustum-shaped oil scraping rubber sleeve.
Detailed Description
The axial section structure and the use principle of the multifunctional oil rod oil scraping and wax removing device provided by the invention are further explained in detail with reference to the attached drawings.
Fig. 1 is a schematic view of an optimal structure of the multifunctional oil rod oil scraping and wax removing device provided by the invention. The structure of the multifunctional oil rod oil scraping and wax removing device comprises
A well sealing blowout prevention box mechanism 7 matched with an oil well head, a cylindrical shell 2 with an upper gland 1 and a sucker rod wax and oil scraping mechanism assembly arranged in the cylindrical shell, wherein a certain sliding gap F is formed between the cylindrical shell 2 and the sucker rod wax and oil scraping mechanism assembly in the horizontal direction; the wall of the cylindrical shell is provided with a plurality of oil outlet wax slots C. The cylindrical casing 2 is mounted on the well-sealing blowout preventer box mechanism 7 by a screw, and an oil receiving pan 13 is interposed between the two. A wax scraper cylindrical outer sleeve 5 with an oil wax outlet slotted hole D formed on the cylinder wall is axially arranged in the cylindrical shell 2, an upper fixing backing ring 11 and a lower fixing backing ring 12 which are connected by a spring assembly are arranged in the cylindrical outer sleeve, and preferably six oil and wax scraping steel wires 6 which are twisted for 180 degrees are fixed on the periphery between the upper backing ring and the lower backing ring, and the twisted oil and wax scraping steel wires form an inner hole 27 which can pass through a sucker rod; the structure forms a wax and oil scraping mechanism for the steel wires of the sucker rod. The upper part of the upper sequential wax scraper cylindrical outer sleeve 5 is provided with a rubber sleeve oil scraping mechanism formed by an upper oil scraper outer sleeve 21 and a frustum-shaped oil scraping rubber sleeve 4 fixed in the upper sequential wax scraper outer sleeve; the sleeve wall of the oil wiper outer sleeve 21 is provided with a plurality of oil outlet wax slotted holes A, and the rubber sleeve oil scraping mechanism (especially the frustum-shaped oil scraping rubber sleeve 4) and the steel wire wax scraping oil scraping mechanism are coaxially arranged so as to facilitate the passing of the sucker rod; an oil blocking rubber ring 10 with a sucker rod hole 26 in the middle is arranged between the steel wire wax scraping and oil scraping mechanism and the rubber sleeve oil scraping mechanism; the ring body of the oil blocking rubber ring 10 separates the shell up and down to prevent the oil wax scraped by the steel wire wax scraping and oil scraping mechanism from entering the upper part of the oil blocking rubber ring, and prevent the oil wax scraped by the rubber sleeve oil scraping mechanism from entering the shell at the lower part to prevent blockage; and the upper and lower direction of the oil baffle rubber ring 10 is provided with two steps 30 and 31 which are respectively clamped on the inner walls of the oil scraping rubber sleeve 4 and the wax scraper jacket 5, so that the rubber sleeve oil scraping mechanism (oil scraping rubber sleeve-wax scraper assembly) can move simultaneously when the sucker rod shakes and deflects along with the rod lifting in the horizontal direction, and the condition that the sucker rod string is not completely scraped and cannot be scraped can be avoided. The upper part of the rubber sleeve oil scraping mechanism is provided with an oil scraping air bag 15 with a sucker rod hole 24 in the middle and an air bag oil scraping mechanism consisting of an upper cover 14 and a lower cover 16 of an air bag chamber, and the air bag oil scraping mechanism and the rubber sleeve oil scraping mechanism are coaxially arranged to facilitate the inlet and outlet of a sucker rod.
The working principle of the multifunctional oil rod oil scraping and wax removing device is as follows: the sucker rod pulled out from the oil well passes through a sucker rod hole 19 of the blowout prevention box mechanism, enters a sucker rod wax and oil scraping mechanism assembly which is arranged in the sucker rod wax and oil scraping mechanism assembly and consists of a steel wire wax and oil scraping mechanism, a rubber sleeve oil scraping mechanism, an oil blocking rubber ring 10 and an air bag oil scraping mechanism through the sucker rod hole 19 at the bottom of the cylindrical shell 2, and then enters the sucker rod hole 19 from the upper cover body 19 of the cylindrical shell to penetrate out. Namely, in the assembly of the wax scraping and oil scraping mechanism of the sucker rod, six wax scraping steel wires 6 which are axially and spirally fixed in the direction of the upper backing ring and the lower backing ring close to the central hole are fixed by the wax scraping steel wires to form a round hole which is approximately regular, and an oil blocking rubber ring 10 and a rubber sleeve oil scraping mechanism penetrate out of the upper cover body. In the process of pulling down the sucker rod string, the inner ring surfaces of the spiral staggered wax scraping steel wires 6 are tightly attached to the wall of the sucker rod, and the rubber ring surface at the position with the minimum diameter of the inner hole of the oil scraping rubber sleeve 4 embedded with the elastic steel plate 22 tightly embraces the wall of the sucker rod, so that the wax adhered to the wall of the sucker rod is scraped along with the lifting of the sucker rod string. Meanwhile, the inner hole surfaces of the oil baffle rubber ring 10 and the air bag 15 are also tightly attached to the sucker rod, so that the sucker rod is further cleaned. The scraped thin oil falls into the well from the through hole of the well sealing blowout prevention box assembly 7; the thickened oil and the wax are extruded to fall on the oil receiving disc 13 through the shell 2, the steel ring 3 arranged at the bottom of the outer sleeve 21 of the upper oil wiper and the groove A, B, C, D on the cylinder wall of the outer sleeve 5 of the wax wiper and are collected at the hole E of the oil receiving disc 13, so that the purposes of cleaning the sucker rod and operating in an environment-friendly way are achieved.
Scrape wax steel wire 6 and can in time clear away adnexed stubborn oil wax on the sucker rod, the sucker rod is through scraping wax ware subassembly after, remain part crude oil on the sucker rod, through the sucker rod hole 26 that keeps off oil rubber ring 10 middle part setting, scrape oil gum cover 4 and aerify gasbag 15's processing, thereby reach the effect of scraping oil and scraping wax, oil scraping device and wax scraping device are owing to do not fix with upper cover body 1 or gasbag room lower cover, and cylindric casing 2 with constitute the oil scraping device of sucker rod wax scraping and scrape oil mechanism assembly and scrape wax mechanism horizontal direction between the two and be set for certain sliding gap F, can radial dislocation removal wherein, consequently handle the partial wear that the sucker rod skew caused at any time, scrape the condition of not cleaning. The novel oil scraping and blowout preventing device for the sucker rod can meet the environmental protection requirements of preventing blowout accidents and scraping oil and wax.
An elastic steel plate 22 is longitudinally embedded in the ring surface of an oil scraping rubber sleeve 4 (shown in figures 1, 2 and 3) forming the rubber sleeve oil scraping mechanism, and the diameter direction of the elastic steel plate is provided with a cross (or Chinese character 'mi') notch 23 so as to ensure that the diameter of the elastic steel plate can be reduced and expanded, thereby facilitating the oil scraping main size (the diameter of a sucker rod body) to be recovered after a coupling with a larger diameter and a centralizer 32 on a sucker rod string pass through; the wax scraping steel wire 6 is fixed at the position close to the central hole of the wax scraping steel wire fixing upper backing ring 11 and the wax scraping steel wire fixing lower backing ring 12 by axial spiral, the scraping force (the diameter of a round hole formed at the staggered contact position of the wax scraping steel wires 6) is formed by a single circular spring connected to the circumference of the upper fixed backing ring 11 and the lower fixed backing ring 12, six screwed oil scraping wax scraping steel wires 6 on the circumference between the upper backing ring and the lower backing ring form an inner hole 27 which can penetrate through the sucker rod and are coaxially positioned in the circular spring 27, when the coupling and centralizer with larger diameter on the sucker rod string pass through the inner hole 27 of the sucker rod, the spring is driven to compress, so that the distance between the upper and lower backing rings is shortened, simultaneously, the inner hole 27 formed by the oil and wax scraping steel wire 6 becomes thicker, a coupling and a centralizer with larger diameter on the sucker rod string pass through, and the main size of the oil scraping (diameter of the sucker rod body) is recovered after the oil passes through a coupling and a centralizer with larger diameters on the sucker rod string.
In the multifunctional oil rod oil scraping and wax removing device which is formed by the oil rod oil scraping and wax removing device related to the patent application,
the sucker rod wax and oil scraping mechanism assembly of the device can be formed by overlapping a steel wire wax and oil scraping mechanism, an oil blocking rubber ring, a rubber sleeve oil scraping mechanism and an air bag oil scraping mechanism which are arranged in a shell as shown in fig. 1, or formed by the steel wire wax and oil scraping mechanism, the rubber sleeve oil scraping mechanism and the oil blocking rubber ring arranged between the steel wire wax and oil scraping mechanism and the rubber sleeve oil scraping mechanism, or formed by the steel wire wax and oil scraping mechanism and the rubber sleeve oil scraping mechanism which are arranged in the shell; the technical effects of scraping oil and removing wax of the sucker rod can be achieved;
the structure of the device can be composed of a cylindrical shell provided with an upper gland, a sucker rod wax scraping and oil scraping mechanism assembly arranged in the cylindrical shell and a blowout prevention box mechanism fixed at the bottom of the cylindrical shell as shown in fig. 1, when the device is used, the direct blowout prevention box mechanism is installed on a wellhead of an oil well, the device has a blowout prevention function, namely, if oil and gas in the well overflows during lifting, the screw rods 29 on two sides of the blowout prevention box assembly 7 can be rapidly rotated to close the well, and the well control safety is ensured; the device also can be composed of a cylindrical shell provided with an upper gland and a sucker rod wax and oil scraping mechanism assembly arranged in the cylindrical shell, when in use, the cylindrical shell is directly fixed on a wellhead of an oil well, and blowout generally cannot occur under the condition of well control of other measures, so that the complexity of the structure can be reduced without assembling a blowout prevention mechanism;
the oil scraping and wax scraping steel wire 6 of the steel wire wax scraping and oil scraping mechanism can be six or three oil scraping and wax scraping steel wires 6 which are twisted for 180 degrees or 90 degrees or even 270 degrees and are arranged on the periphery between the upper backing ring and the lower backing ring according to the design, so that the twisted oil scraping and wax scraping steel wires form an inner hole 27 which can penetrate through the sucker rod; when the number of the steel wires is less and the screwing angle is smaller, the resistance to the rise of the sucker rod is smaller, which is beneficial to the lifting of the sucker rod; on the contrary, the oil scraping effect on the sucker rod is better, but the resistance of the sucker rod is increased;
the spring assembly of the steel wire wax and oil scraping mechanism not only can be formed by a single circular spring as described above, but also can be formed by two spring guide rods 9, namely three or four spring guide rods, wherein the two spring guide rods are fixed on the circumference of the upper fixing backing ring 11 and the circumference of the lower fixing backing ring 12, and the spring guide rods are sleeved with the springs 8; namely, the spring assembly stretches the upper and lower fixed backing rings 11 and 12 to realize that the twisted oil and wax scraping steel wire forms a diameter change which can pass through an inner hole 27 of the sucker rod, so that a coupling and a centralizer with larger diameters on a sucker rod string can pass through the diameter change;
in order to prevent the upper and lower fixing backing rings 11, 12 from shifting when sliding up and down under the action of the spring assembly, which causes the screwing angles of the plurality of screwed oil scraping wax scraping steel wires 6 to change, the sliding grooves 28 of the upper and lower fixing backing rings 11, 12 are axially arranged on the inner wall of the wax scraper cylindrical outer sleeve 5;
in order to facilitate the disassembly operation of the sucker rod after being pulled out, a platform ring 25 which is convenient for operation is arranged on the sucker rod hole of the upper gland 1;
the structure of the oil-blocking rubber ring 10 arranged between the steel wire wax and oil scraping mechanism and the rubber sleeve oil scraping mechanism can be a structure which is provided with two (or more) platform rings 30 and 31 in the middle and is provided with a sucker rod hole 26 in the center as shown in figure 1, the sucker rod hole can scrape oil wax on a sucker rod, and the sucker rod hole can also be a sucker rod hole structure with a larger diameter without the oil wax scraping function.
Claims (9)
1. The utility model provides a multi-functional sucker rod frizing wax removal device which characterized in that: comprises that
The device comprises a cylindrical shell (2) which is matched with an oil well mouth and can be fixed with the oil well mouth and comprises an upper gland (1), wherein a sucker rod wax scraping and oil scraping mechanism assembly is arranged in the cylindrical shell, and a sliding gap (F) is arranged between the sucker rod wax scraping and oil scraping mechanism assembly and the cylindrical shell in the horizontal direction; the upper gland and the bottom of the cylindrical shell are provided with corresponding sucker rod holes (20, 19), and the sucker rod can penetrate through the corresponding sucker rod holes (20, 19); wherein,
the sucker rod wax and oil scraping mechanism assembly comprises a steel wire wax and oil scraping mechanism fixed in the cylindrical shell; the steel wire wax scraping and oil scraping mechanism comprises a wax scraper cylindrical outer sleeve (5) with a wax outlet slotted hole (D) arranged on the cylinder wall, an upper fixing backing ring and a lower fixing backing ring (11 and 12) which are arranged in the wax scraper cylindrical outer sleeve (5) and connected through a spring assembly, at least two oil scraping and wax scraping steel wires (6) which are twisted for 90-270 degrees are connected in series on the periphery between the upper fixing backing ring and the lower fixing backing ring, and an inner hole formed by twisting the oil scraping and wax scraping steel wires for 90-270 degrees can penetrate through a sucker rod; and the inner wall of the wax scraper cylindrical outer sleeve (5) is axially provided with sliding grooves of the upper and lower fixing backing rings (11, 12).
2. The multifunctional oil rod oil scraping and wax removing device as claimed in claim 1, wherein: the wall of the cylindrical shell is provided with a plurality of oil outlet grooves (C).
3. The multifunctional oil rod oil scraping and wax removing device as claimed in claim 1, wherein: the spring assembly is composed of a single circular spring, or
Is composed of at least two spring guide rods (9) which are fixed on the circumference of the upper and lower fixed backing rings (11, 12) and are respectively sleeved with a spring (8).
4. The multifunctional oil rod oil scraping and wax removing device as claimed in claim 1, wherein: the sucker rod wax and oil scraping mechanism assembly comprises a rubber sleeve oil scraping mechanism which is arranged at the upper part of a wax scraper cylindrical outer sleeve (5) forming the steel wire wax and oil scraping mechanism and consists of an upper oil scraper outer sleeve (21) and a frustum-shaped oil scraping rubber sleeve (4) fixed in the upper oil scraper outer sleeve; wherein the sleeve wall of the oil wiper outer sleeve (21) is provided with a plurality of oil outlet slotted holes (A); the steel wire wax scraping and oil scraping mechanism and the rubber sleeve oil scraping mechanism are coaxially arranged.
5. The multifunctional oil rod oil scraping and wax removing device as claimed in claim 4, wherein: an oil blocking rubber ring (10) is arranged between the steel wire wax scraping and oil scraping mechanism and the rubber sleeve oil scraping mechanism, and the ring body of the oil blocking rubber ring separates the shell up and down; two steps (30, 31) are arranged in the upper direction and the lower direction of the oil blocking rubber ring (10) and can be respectively clamped on the inner walls of the oil scraping rubber sleeve (4) and the wax scraping device cylindrical outer sleeve (5), so that the rubber sleeve oil scraping mechanism can move simultaneously when the sucker rod shakes and deflects along with the rod in the horizontal direction, and the situations that the sucker rod string is not completely scraped and cannot be scraped can be avoided.
6. The multifunctional oil rod oil scraping and wax removing device as claimed in claim 5, wherein: the middle part of the oil blocking rubber ring (10) is provided with a sucker rod hole (26).
7. The multifunctional oil rod oil scraping and wax removing device as claimed in claim 4, wherein: an elastic steel plate (22) is embedded in a frustum-shaped oil scraping rubber sleeve (4) forming the rubber sleeve oil scraping mechanism, the inner and outer shapes of the elastic steel plate are inverted bell mouths, and a cross-shaped or m-shaped notch (23) is formed in the annular surface from the bottom of a cone to the upper part of a cylinder body.
8. The multifunctional oil rod oil scraping and wax removing device as claimed in claim 1, wherein: an oil receiving disc is arranged at the bottom of the cylindrical shell (2).
9. The multifunctional oil rod oil scraping and wax removing device as claimed in claim 1, wherein: and a blowout prevention box mechanism which can be connected with an oil well mouth is arranged at the bottom of the cylindrical shell (2), and a sucker rod hole of the blowout prevention box mechanism is coaxial with the sucker rod wax scraping and oil scraping mechanism assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611015052.1A CN106368650B (en) | 2016-11-18 | 2016-11-18 | A kind of multi-functional beam hanger frizing de-waxing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611015052.1A CN106368650B (en) | 2016-11-18 | 2016-11-18 | A kind of multi-functional beam hanger frizing de-waxing apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106368650A CN106368650A (en) | 2017-02-01 |
| CN106368650B true CN106368650B (en) | 2017-08-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611015052.1A Active CN106368650B (en) | 2016-11-18 | 2016-11-18 | A kind of multi-functional beam hanger frizing de-waxing apparatus |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108331554B (en) * | 2018-02-12 | 2024-04-26 | 中国石油天然气集团有限公司 | Oil wax scraping device for sucker rod wellhead with variable drift diameter |
| CN109296323A (en) * | 2018-10-16 | 2019-02-01 | 中国石油天然气股份有限公司 | Well mouth cleaning device for centralizing sucker rod for workover operation and operation method thereof |
| CN111101898B (en) * | 2020-01-07 | 2022-07-08 | 中石化石油工程技术服务有限公司 | Sulphur device is scraped in steel wire operation of ultra-deep high sulphur gas well test-well |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2340894Y (en) * | 1998-08-18 | 1999-09-29 | 郑江 | Mechanical oil sweeper for oil sucker |
| CN2693946Y (en) * | 2003-12-24 | 2005-04-20 | 大港油田集团有限责任公司 | Pump rod paraffin scraper |
| CN2828308Y (en) * | 2005-12-02 | 2006-10-18 | 王政权 | Sucker rod oil wiper |
| CN201125711Y (en) * | 2007-12-23 | 2008-10-01 | 潜江市恒能达石油设备有限公司 | Pumping rod oil wiper assembly |
| CN101280675A (en) * | 2008-05-28 | 2008-10-08 | 大庆石油管理局 | Pumping rod wax scraping apparatus |
| CA2706765A1 (en) * | 2010-06-03 | 2011-12-03 | Zhong Cz Chen | Down-hole well-bore pigging and scale trap wire line |
| CN201756936U (en) * | 2010-07-09 | 2011-03-09 | 江苏君鑫谊石油机械有限公司 | Multifunctional wax scraper blowout preventer |
| CN201963260U (en) * | 2010-12-17 | 2011-09-07 | 中国石油天然气集团公司 | Oil-scraping anti-blowout device for rod jobs |
| CN202531112U (en) * | 2012-03-20 | 2012-11-14 | 中国石油天然气集团公司 | Sucker rod oil wiper in oil well sleeve |
| CN104632131B (en) * | 2014-12-31 | 2018-06-15 | 大港油田集团有限责任公司 | A kind of oil-scraping device for sucker rod |
| CN205918401U (en) * | 2016-11-18 | 2017-02-01 | 河北华盟机械制造有限公司 | Multi -functional beam hanger frizing paraffin removal device |
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2016
- 2016-11-18 CN CN201611015052.1A patent/CN106368650B/en active Active
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